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WO2022080799A1 - Appareil de traitement du linge et son procédé de commande - Google Patents

Appareil de traitement du linge et son procédé de commande Download PDF

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Publication number
WO2022080799A1
WO2022080799A1 PCT/KR2021/013983 KR2021013983W WO2022080799A1 WO 2022080799 A1 WO2022080799 A1 WO 2022080799A1 KR 2021013983 W KR2021013983 W KR 2021013983W WO 2022080799 A1 WO2022080799 A1 WO 2022080799A1
Authority
WO
WIPO (PCT)
Prior art keywords
temperature
heating unit
preset
drum
moisture content
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.)
Ceased
Application number
PCT/KR2021/013983
Other languages
English (en)
Korean (ko)
Inventor
강인철
박윤식
홍민호
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of WO2022080799A1 publication Critical patent/WO2022080799A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/32—Control of operations performed in domestic laundry dryers 
    • D06F58/34—Control of operations performed in domestic laundry dryers  characterised by the purpose or target of the control
    • D06F58/36—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F58/38—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of drying, e.g. to achieve the target humidity
    • D06F58/40—Control of the initial heating of the drying chamber to its operating temperature
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/26—Condition of the drying air, e.g. air humidity or temperature
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
    • D06F58/04—Details 
    • D06F58/08—Driving 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/26—Heating arrangements, e.g. gas heating equipment
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/26—Heating arrangements, e.g. gas heating equipment
    • D06F58/263—Gas heating equipment
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/32—Control of operations performed in domestic laundry dryers 
    • D06F58/34—Control of operations performed in domestic laundry dryers  characterised by the purpose or target of the control
    • D06F58/46—Control of the operating time

Definitions

  • the present disclosure relates to a laundry treatment apparatus and a method of controlling the laundry treatment apparatus. More particularly, it relates to determining the fabric quality of the received garment.
  • a clothes treatment device refers to a device developed to wash and dry clothes at home and at laundry, and to remove wrinkles on clothes.
  • Classified as clothes treatment equipment there are washing machines for washing clothes, dryers for drying clothes, washing/drying machines with both washing and drying functions, and clothes management devices for refreshing clothes, and removing wrinkles from clothes. It is a concept including a steamer and the like.
  • a dryer supplies hot air to an object to be treated, such as clothes or bedding, which are put into a drum (or tub) to evaporate moisture contained in the object to be treated.
  • the moisture of the object to be treated is evaporated from the drum, and the air exiting the drum holds the moisture of the object to be treated and becomes a high temperature and humid state.
  • it can be classified into a condensing type and an exhaust type according to the method of processing this hot and humid air.
  • Korean Patent Laid-Open No. 10-2018-0045323 discloses a method of detecting the weight of clothes, that is, the amount of laundry, and setting a drying time before drying the clothes. In addition, a method of differently setting an additionally required time according to a difference between the measured dryness level and a preset target dryness level after the drying time has elapsed is disclosed.
  • the amount of moisture the clothes hold may also vary depending on the material of the clothes, that is, the fabric. Therefore, if cloth is not taken into account, clothing may be overdried and contracted or damaged by heat.
  • the present disclosure aims to solve the problem of minimizing damage to clothes by setting different target drying times and additional drying times according to fabrics at the beginning of the drying process.
  • the present disclosure aims to solve the problem of preventing clothes from being overdried or not dried.
  • the present disclosure aims to solve the problem of optimizing the drying time according to the fabric.
  • a laundry treatment apparatus that sets cloth quality differently according to the moisture content by using a drying sensor that measures the dryness (moisture content) of clothes.
  • a drying sensor that measures the dryness (moisture content) of clothes.
  • the correlation between temperature and load is analyzed, and the pattern difference for each fabric of clothing is studied by deep learning (deep learning). ) algorithm to set the optimum drying time according to the amount and quality of cloth, and to provide a laundry treatment device that can control the optimum temperature.
  • the cabinet forming the facade; a cylindrical drum rotatably provided inside the cabinet to accommodate clothes; a driving unit for rotating the drum; a first flow path for sucking in the air inside the drum and discharging it to the outside; a second flow passage for supplying air into the drum; a first heating unit and a second heating unit positioned in the second flow path to heat the air introduced into the second flow path; a drying sensor positioned on the inner surface of the drum to measure the degree of drying of the clothes; a fan positioned in the first flow path to generate a suction force for sucking air inside the drum; a temperature sensor positioned in the first flow path to measure the temperature of the air sucked in from the drum before passing through the fan; and a control unit configured to receive control signals from the drying sensor and the temperature sensor to control the driving unit, the first heating unit, the second heating unit, and the fan, wherein the control unit rotates the drum and the fan, After the first heating unit and the second heating unit are turned on, the average value of the moisture content repeatedly measured by
  • the control unit sets a predetermined target dryness according to the determined cloth quality, rotates the drum and the fan until the target dryness is reached, and until the target dryness is reached, the temperature sensor On/off of the first heating unit and the second heating unit may be controlled so that the repeatedly measured temperature is maintained in a predetermined temperature range.
  • control unit rotates the drum and the fan for a predetermined additional time according to the determined cloth quality, and sets the temperature repeatedly measured by the temperature sensor during the additional time within the temperature range.
  • On/off of the first heating unit and the second heating unit may be controlled to be maintained as .
  • control unit sets the target dryness to a preset first target dryness, and repeats in the temperature sensor until the first target dryness is reached.
  • the on/off of the first heating unit and the second heating unit may be controlled so that the measured first temperature is maintained below the preset first reference temperature and above the preset second reference temperature.
  • the control unit sets the target dryness to a preset second target dryness, and the second temperature repeatedly measured by the temperature sensor is at a preset third reference temperature.
  • the control unit sets the target dryness to a preset second target dryness, and the second temperature repeatedly measured by the temperature sensor is at a preset third reference temperature.
  • the other heating unit is turned off, and the temperature is maintained until the second target dryness is reached.
  • On/off of the one heating unit may be controlled so that the third temperature repeatedly measured by the sensor is maintained below the preset fourth reference temperature and above the preset fifth reference temperature.
  • the control unit sets the target dryness to a preset third target dryness, and a fourth measured repeatedly by the temperature sensor Until the temperature reaches the first reference temperature by a predetermined number of repetitions, ON/OFF of the first heating unit and the second heating unit are controlled, and until the third target dryness is reached, the one Select and control a heating unit, turn off the other heating unit, and maintain the fifth temperature repeatedly measured by the temperature sensor below the fourth reference temperature and above the fifth reference temperature. It is possible to control the on/off of the heating unit.
  • the control unit may further include determining the amount of clothing by using the temperature repeatedly measured by the temperature sensor from the first time to the second time.
  • the controller may determine the amount of laundry of the clothes by calculating a section temperature rate according to the repeatedly measured temperature.
  • the control unit sets the target dryness to a preset fourth target dryness, and is repeatedly measured by the temperature sensor until the fourth target dryness is reached
  • On/off of the first heating unit and the second heating unit may be controlled so that the sixth temperature is maintained below the preset seventh reference temperature and above the preset eighth reference temperature.
  • control unit rotates the drum and the fan for a first preset additional time, and sets the seventh temperature repeatedly measured by the temperature sensor for the first additional time.
  • On/off of the first heating unit and the second heating unit may be controlled to be maintained below the first reference temperature and above the second reference temperature.
  • control unit rotates the drum and the fan for a second preset additional time, and sets the eighth temperature repeatedly measured by the temperature sensor during the second additional time.
  • On/off of the one heating unit may be controlled to be maintained below the fourth reference temperature and above the fifth reference temperature.
  • control unit rotates the drum and the fan for a third additional time preset, and sets the ninth temperature repeatedly measured by the temperature sensor during the third additional time to the fourth temperature.
  • On/off of the one heating unit may be controlled to be maintained below the reference temperature and above the fifth reference temperature.
  • control unit rotates the drum and the fan for a preset fourth additional time, and sets the tenth temperature repeatedly measured by the temperature sensor during the fourth additional time to the seventh.
  • On/off of the first heating unit and the second heating unit may be controlled to be maintained below a reference temperature and above the eighth reference temperature.
  • the cabinet to form an exterior to solve the above-mentioned control; a cylindrical drum rotatably provided inside the cabinet to accommodate clothes; a first flow path for sucking in the air inside the drum and discharging it to the outside; a second flow passage for supplying air into the drum; and a fan positioned in the first flow path to generate a suction force for sucking the air inside the drum.
  • a method of controlling a laundry treatment apparatus comprising: starting rotation of the drum through a driving unit that rotates the drum; operating a first heating unit and a second heating unit positioned in the second flow path to heat the air introduced into the second flow path, and rotating the fan; From the first preset time to the second preset time, the moisture content of the clothes is repeatedly measured using a drying sensor located on the inner surface of the drum, and the average value of the moisture content measured from the first time to the second time calculating the interval moisture content; determining the fabric quality of the clothing according to the section moisture content; and a temperature sensor positioned in the first flow path and measuring the temperature of the air sucked from the drum before passing through the fan until a target dryness set according to the fabric quality of the clothes is reached.
  • a control method of a laundry treatment apparatus including; controlling the first heating unit and the second heating unit so that the air sucked into the flow path maintains a predetermined temperature range.
  • the target dryness is set to a preset first target dryness, and until the first target dryness is reached.
  • the first heating unit and the second heating unit are the first heating unit and the second heating unit so that the first temperature repeatedly measured by the temperature sensor is maintained below the preset first reference temperature and above the preset second reference temperature. It is possible to control the on/off of the heating unit.
  • the target dryness is set to a preset second target dryness, and a second temperature repeatedly measured by the temperature sensor is preset
  • the third reference temperature one of the first heating unit and the second heating unit is selected and controlled, the other heating unit is turned off, and the second target dryness is reached.
  • the one heating part can control the on/off of the one heating part so that the third temperature repeatedly measured by the temperature sensor is maintained below the preset fourth reference temperature and above the preset fifth reference temperature. there is.
  • the target dryness is set to a preset third target dryness, and the temperature sensor repeats until the measured fourth temperature reaches the first reference temperature by a predetermined number of repetitions, the on/off of the first heating unit and the second heating unit is controlled, and the third target dryness is reached until the one heating part is selected and controlled, the other heating part is turned off, and the fifth temperature repeatedly measured by the temperature sensor is below the fourth reference temperature and above the fifth reference temperature. On/off of the one heating unit may be controlled to be maintained.
  • the number of repetitions may be set to two.
  • the section temperature rate according to the temperature repeatedly measured by the temperature sensor from the first time to the second time is calculated to determine the laundry amount of the clothes, and the section temperature
  • the target dryness is set to a preset fourth target dryness
  • a sixth temperature repeatedly measured by the temperature sensor is set to a preset level until the fourth target dryness is reached.
  • On/off of the first heating unit and the second heating unit may be controlled to be maintained below a seventh reference temperature and above a preset eighth reference temperature.
  • damage to clothes can be minimized by setting the target drying level and the additional drying time differently according to the fabric.
  • the present disclosure can prevent clothes from being overdried or not dried.
  • the present disclosure can optimize the drying time according to the fabric. In addition, through this, user satisfaction can be increased.
  • FIG. 2 is a cross-sectional view of an exhaust type dryer using an electric heater as a heating unit in the laundry treatment apparatus.
  • FIG. 3 is a flowchart showing an example of a control method related to the laundry treatment apparatus.
  • FIG. 4 is a flowchart illustrating an example of a method of setting a target dryness level and an additional time according to the amount of cloth and the quality of the cloth.
  • FIG. 5 is a flowchart illustrating an example of a method for controlling a first heater and a second heater when the measured section moisture content of clothes is greater than a preset first reference moisture content.
  • FIG. 6 is a flowchart illustrating an example of a method of controlling a first heater and a second heater when the measured section moisture content of clothes is less than a preset second semi-moisture content.
  • FIG. 7 is a flowchart illustrating an example of a method of controlling the first heater and the second heater when the measured section moisture content of the clothing is located between the first reference moisture content and the second reference moisture content.
  • FIG. 8 is a flowchart illustrating an example of a method of controlling the first heating unit and the second heating unit when the measured amount of clothes is less than the reference amount.
  • FIG. 9 is a cross-sectional view of an exhaust type dryer using a gas heater as a heating unit in the laundry treatment apparatus.
  • expressions such as “same” and “same as” not only indicate the strictly identical state, but also indicate a state in which a tolerance or a difference in the degree to which the same function is obtained exists.
  • Each axial direction (X-axis direction, Y-axis direction, Z-axis direction) means both directions in which each axis extends.
  • Adding a '+' sign in front of each axial direction (+X-axis direction, +Y-axis direction, +Z-axis direction) means a positive direction, which is one of the two directions in which each axis extends.
  • Adding a '-' sign in front of each axial direction (-X-axis direction, -Y-axis direction, -Z-axis direction) means the other negative direction among both directions in which each axis extends.
  • the clothes treatment apparatus 100 includes a cabinet 1 forming an exterior and a cylindrical drum 3 rotatably provided inside the cabinet 1 to accommodate clothes.
  • the front cabinet 103 forming the front surface of the cabinet may include a cabinet inlet 11 for entering and leaving clothes.
  • the door 13 is rotatably provided in the cabinet 1 to open and close the cabinet inlet 11 .
  • a door lock 131 may be provided on the inner surface of the door 13 located in the direction toward the cabinet inlet 11 to lock the door 13 when the door 13 is closed.
  • the front cabinet 103 may include a door lock hole 111 in a position adjacent to the cabinet inlet 11 to correspond to the door lock part 131 . When the cabinet inlet 11 is closed by the door 13 , the door lock 131 may be inserted into the door lock hole 111 to be hooked.
  • a control panel 190 that receives a user's input and outputs the state of the laundry treatment apparatus 100 may be positioned above the cabinet inlet 11 .
  • the control panel 190 may include an input unit 191 (refer to FIG. 2 ) that receives a user's input and a display unit 193 (refer to FIG. 2 ) that outputs information such as the current state of the laundry treatment apparatus 100 .
  • the input information is transmitted to the controller 60 (refer to FIG. 2), and accordingly, the rotation of the drum 3, the rotation of the fan 711 (refer to FIG. 2), and the operation of the heating unit 730 will be controlled.
  • the laundry treatment apparatus 100 includes a cabinet 1 forming an exterior, a cylindrical drum 3 rotatably provided inside the cabinet 1 to accommodate clothes, and a driving unit for rotating the drum 3 .
  • the driving unit 5 , the first heating unit 731 , the second heating unit 732 , and a control unit 60 for controlling the fan 711 may be included.
  • the cabinet 1 is provided with a cabinet inlet 11 through which clothes are put into the drum 3 or clothes stored in the drum are taken out of the cabinet. can be opened or closed by
  • the drum (3) has a cylindrical drum body (31) with front and rear surfaces open, and a lifter (33) protruding from the circumferential surface of the drum body (31) toward the center of the drum body (31), stirring of clothing means), in order to rotatably support the drum 3 , inside the cabinet 1 , there is a front support 15 for supporting the front surface of the drum, and a rear support for the rear surface of the drum 3 .
  • a support 17 may be provided.
  • the front support part 15 is provided with a first support part 157 inserted into the front surface of the drum body 31 , and the rear support part 17 is inserted into the rear surface of the drum body 31 .
  • a second support part 171 for rotatably supporting the drum 3 may be provided.
  • the front support part 15 is provided with a front inlet 151 communicating the inside of the cabinet inlet 11 and the drum 3, and the front inlet 151 is in the first support part 157. It would be preferable to be located inside the space formed by the
  • the front support part 15 is connected to the front surface of the cabinet 1 through a connection part 153 , and the connection part 153 may be provided in a cylindrical shape surrounding the front inlet 151 .
  • the connecting portion 153 may be provided with a suction port 155 for sucking the air inside the drum body 31 through the front inlet 151 to be discharged to the outside.
  • the driving unit 5 may be provided in any shape as long as it can rotate the drum 3 , and FIG. 2 shows a motor 51 and the motor 51 to which the driving unit 5 is fixed inside a cabinet.
  • FIG. 2 shows a motor 51 and the motor 51 to which the driving unit 5 is fixed inside a cabinet.
  • a case in which the belt 53 connects the rotating shaft of the drum body 31 and the circumferential surface of the drum body 31 is illustrated as an example. That is, the belt 53 may surround the outer circumferential surface of the drum 3 to rotate the drum 3 .
  • a discharge port 173 connected to the second flow path 73 should be further provided in the rear support unit 17 .
  • the heating unit 730 may include a first heating unit 731 and a second heating unit 732 positioned in the second flow path to heat the air introduced into the second flow path.
  • the reason for including the first heating unit 731 and the second heating unit 732 is to control the temperature of the air more precisely and to use energy efficiently. This is because only one of the first heating unit 731 and the second heating unit 732 may be used, rather than using the entire heating unit, depending on the amount or fabric quality.
  • the drum 3 , the fan 711 , the heating unit 730 , and the driving unit 5 may be provided to be controlled by the control unit 60 , and a user can A control command is input to the control unit 60 , and a user-selectable type of control command or an operation process of the laundry treatment apparatus 100 can be checked through the display unit 193 provided in the cabinet 1 .
  • FIG. 2 shows an example in which the control unit 60 is located inside the cabinet 1 , specifically, located inside the front cabinet 103 so as to correspond to where the control panel 190 is located.
  • first flow path 71 and the second flow path 73 described above are for the implementation of an exhaust-type dryer.
  • the free end of 71 and the free end of the second flow path 73 are provided to be connected to each other, and the heating unit 730 should be replaced with a heat pump capable of dehumidifying and heating air.
  • the laundry treatment apparatus 100 according to the present disclosure is configured as an apparatus for drying clothes, but the laundry treatment apparatus 100 according to the present disclosure may be configured as a device capable of washing clothes as well as drying clothes. .
  • the clothes treatment apparatus 100 of the present disclosure is configured as a device capable of washing clothes as well as drying clothes, the aforementioned front support part 15 and rear support part 17 are omitted, and water is stored inside the cabinet 1 .
  • a tub (not shown) that provides a space to be used should be provided.
  • the tub may have any shape as long as it can provide a space for storing water.
  • An example may be a cylindrical tub with an empty interior.
  • the drum 3 should be provided in a rotatable cylindrical shape inside the tub, and the first flow path 71 and the second flow path 73 should be provided to communicate with the inside of the tub.
  • a tub inlet (not shown) communicating with the cabinet inlet 11 is provided on the front surface of the tub
  • a drum inlet (not shown) communicating with the tub inlet port is provided on the front surface of the drum 3 it should be
  • the laundry treatment apparatus 100 may include a drying sensor 8 that measures the dryness (or moisture content) of the clothes stored on the inner surface of the drum 3 .
  • the drying sensor 8 may be provided in any form as long as it can measure the amount of water or moisture content (the ratio of water to the mass of clothing, moisture content) contained in clothes.
  • the drying sensor 8 When the clothes inside the drum body 31 connect the first terminal 81 and the second terminal 83, the drying sensor 8 generates an electrical signal having a magnitude proportional to the amount of water contained in the clothes.
  • the first terminal 81 may be connected to the positive electrode of the power supply
  • the second terminal 83 may be connected to the negative electrode of the power supply.
  • the control unit 60 When the wet clothing maintains contact with the two terminals 81 and 83 , current flows through the two terminals 81 and 83 . Accordingly, if the control unit 60 is provided to detect whether a current flows through the clothes and the two terminals 81 and 83 (or whether a voltage is generated), the present disclosure indicates that the clothes are placed inside the drum body 31 . It can be determined whether or not
  • the controller 60 when the drying rate of the clothes increases, the amount of moisture contained in the clothes decreases.
  • the decrease in the amount of moisture in the clothes means that the resistance of the clothes, which is a circuit connecting the two terminals, increases. Accordingly, when the controller 60 is provided to measure the magnitude of the current (or the magnitude of the voltage) flowing through the clothes and the two terminals 81 and 83 , the present disclosure can determine the dryness of the clothes.
  • the dryness of the clothes refers to the moisture content of the clothes.
  • the moisture content of clothing refers to the degree to which clothing absorbs moisture, and may have a value of 0% or more and 100% or less in percentage units. The higher the dryness, the lower the moisture content, and the lower the dryness, the higher the moisture content. Accordingly, in the present disclosure, the dryness and moisture content have the same relationship as above, and are concepts that can be used interchangeably with each other.
  • the laundry treatment apparatus 100 includes a temperature sensor 91 positioned in the first flow path 71 to measure the temperature of the air sucked from the drum before the sucked air passes through the fan 711 .
  • the temperature sensor 91 may be provided to directly measure the temperature of the clothes, but may also measure the temperature of the air discharged from the drum body 31 .
  • FIG. 2 illustrates an example in which the temperature sensor 91 is provided in the first flow path 71 to measure the temperature of the air discharged from the inside of the drum 3 .
  • the term "temperature” means the temperature of the air discharged from the inside of the drum 3 with the temperature sensor 91 provided in the first flow path 71 .
  • the temperature sensor 91 may be located inside the first flow path 71 before the sucked air passes through the fan 711 , or may be located adjacent to the suction port 155 or the suction port. That is, the temperature sensor 91 may be located anywhere between the drum 3 and the fan 711 as long as it can measure the temperature of the air sucked in from the drum 3 .
  • the amount of laundry can be determined according to the rate of change or the gradient of the air temperature for the predetermined time. In addition, it may be used to maintain the temperature of the air within a certain temperature range in order to prevent the temperature of the accommodated clothes from rising too much.
  • a thermostat may be used as an example of the temperature sensor 91.
  • the first flow path 71 may include an outlet 713 at one end positioned in the opposite direction to the suction port 155 among both ends in order to discharge the air inside the drum to the outside.
  • the rear cabinet 104 may be provided with a communication hole 1041 for communicating with the outlet 713 to discharge air. Accordingly, in FIG. 2 , the outlet 713 and the communication hole 1041 are marked at the same position.
  • a fan 711 for sucking and discharging air inside the drum may be located in the first flow path 71 .
  • a heating unit 730 for heating the air after sucking in air may be located.
  • a separate suction fan may be provided in the second flow path 73, the amount of fluid that is sucked by the fan 711 located in the first flow path and exits to the outside naturally flows in through the second flow path. Therefore, there is no need to provide a separate suction fan.
  • FIG. 2 an electric heater using electricity is shown as an example of the first heating unit 731 and the second heating unit 732 .
  • FIG. 9 shows a gas heater.
  • 3 is a control method of the laundry treatment apparatus 100 in which the temperature sensor 91 and the drying sensor 8 are used to determine the amount of cloth and the cloth quality at the beginning of the drying cycle, and accordingly, the target drying level and the additional time are set differently. An example of this is shown in a flow chart.
  • the laundry amount refers to the amount of clothing and generally refers to the weight of the clothing by gravity.
  • forge refers to the material of clothing.
  • the classification of cloth means that the material of clothing is classified into a hydrophilic fabric, an intermediate fabric, It means to classify the fabric with a hydrophobic fabric, etc.
  • hydrophilic material examples include cotton, wool, silk, and rayon
  • hydrophobic material examples include nylon and spandex.
  • the moisture-laden fiber has both alpha water ( ⁇ -water), which is moisture that is directly bonded to the fiber, and beta water ( ⁇ ) that is indirectly bonded to the fiber.
  • ⁇ -water alpha water
  • beta water beta water
  • deswelling occurs in the swollen fibers.
  • Swellable shrinkage occurs in the process of drying the fabric as a result of the drying process during the physical process, and occurs largely in low-density fabrics or hydrophilic materials sensitive to moisture.
  • clothing made of a hydrophobic material such as a polymer
  • heat shrinks the physical properties of the polymer changing the physical properties of the polymer, as the movement of molecules becomes active.
  • the hydrophilic material and the hydrophobic material cannot be distinguished, even after the drying process is completed, the material may be in an undried state. Or, conversely, when the amount of laundry is small, the drying time is set to be long, which may lead to overdrying in which too much is dried. Therefore, it is necessary to set the drying time and drying level differently according to the fabric.
  • the laundry treatment apparatus of the present disclosure may determine the fabric quality by using only the generally provided temperature sensor 91 and drying sensor 8, and set a different target drying level and additional time accordingly to proceed with the drying process.
  • the cloth weight and cloth quality can be determined using the section temperature ratio, which is the slope of the temperature measured during the initial section (or reference time) of the drying process, and the section moisture content, which is the average value of the moisture content (or dryness).
  • the factor can be used as an input value for deep learning.
  • the weight of wet clothing and moisture content may be used as input values.
  • cloth whether it is a hydrophilic material or a hydrophobic material can be used as an input value.
  • a drying time, a target drying rate, or an additional drying time can be set so that the clothes treatment apparatus 100 can operate in an optimal drying method, and the clothes are introduced into the drum 3 to maintain a temperature range in which the clothes are not damaged. You can control the air temperature.
  • the drying rate may be adjusted to reduce damage to the fabric.
  • the laundry quantity and quality can be more accurately determined, and the optimal target dryness is accordingly. , additional time, and drying time can be set.
  • the target dryness refers to a preset dryness that is set as a final target during the drying process.
  • the target dryness may be set differently according to the amount and/or fabric quality.
  • the drying time is a time required for drying the currently accommodated wet clothes, and may be set as the target drying level is set, or alternatively may be set independently.
  • the additional time refers to a time set for additional drying when the drying level of the clothes measured by the drying sensor reaches the target drying level. This is to prevent measurement errors of the dry sensor.
  • a drying cycle may be started according to a user input ( S100 ).
  • the drying cycle starts while the drum 3 rotates, and when the drying cycle is completed (S900), the drum will stop rotating.
  • the rotation direction of the drum 3 during the drying cycle may be changed.
  • control unit 60 may turn on the heating unit 730 and the fan 711 to operate (S150). As the fan 711 rotates, the air inside the drum is sucked through the first flow path 71, and accordingly, the air introduced into the second flow path 73 is forced through the heating unit 730 and the drum. (3) It will be discharged inside.
  • the control unit 60 controls the drying sensor 8 ), it is possible to determine the porosity according to the interval moisture content, which is an average value of the moisture content repeatedly measured (S400).
  • the laundry amount can be pandin (S400) through the measured temperature repeatedly measured through the temperature sensor 91.
  • the time from the first time to the elapse of the second time is referred to as a reference time. That is, the reference time means a predetermined time period determined at the beginning of the drying cycle.
  • the first time period may be set to 30 seconds after the start of the drying cycle
  • the second time period may be set to 4 minutes after the start of the drying cycle. That is, after the start of the drying cycle, a time between 30 seconds and 4 minutes may be set as the reference time.
  • the temperature sensor 91 measures the temperature of the air discharged from the inside of the drum 3, and the drying sensor (8) will measure the moisture content of the clothes accommodated in the drum (3) (S350).
  • the average value of the moisture content of the clothes measured during the reference time is referred to as a section moisture content.
  • the rate of change of temperature during the reference time is referred to as a section temperature rate.
  • the section moisture content may be divided into a plurality of preset moisture content measurement sections obtained by dividing a reference time by a predetermined interval, then the moisture content for each measurement section may be obtained, and then the average value thereof may be used. Even in one specific moisture content section, the temperature sensor can measure repeatedly multiple times. Through this, after obtaining the average value for each specific moisture content section, it is possible to obtain the average value at the reference time using this again.
  • the section temperature rate may be divided into a plurality of preset temperature measurement sections obtained by dividing the reference time by a predetermined interval, and then the temperature change rate for each subdivided section may be obtained, and then the average value thereof may be used. Even in one temperature measurement section, the temperature sensor can measure repeatedly multiple times. Through this, after obtaining the rate of change of the temperature for each temperature measurement section, it is possible to obtain the rate of change of the temperature in the reference time using this again. If it is determined that the rate of change of temperature is large, it may be determined that the amount of laundry is small.
  • control unit 60 divides the first time to the second time into a plurality of preset temperature measurement sections, and then sets a section temperature rate that is an average value of the slopes of the temperatures measured during the plurality of temperature measurement sections. It is possible to determine the laundry amount of the clothes using the
  • the temperature measuring section and the moisture content measuring section may have different sizes, ie, time intervals.
  • the controller 60 may set a target dryness and additional time according to the laundry weight and cloth quality (S500). If the target drying rate is set, the drying time may vary depending on this, or otherwise, the drying time may be additionally set independently.
  • control unit 60 controls the first heating unit 731 and the second heating unit 732 ( S600 ) so that the temperature measured through the temperature sensor 91 is within a predetermined temperature range. can be maintained.
  • control unit 60 sets a predetermined target dryness level according to the determined cloth quality, rotates the drum 3 and the fan 711 until the target dryness level is reached, and the target dryness level is reached. Turn on/off of the first heating unit 731 and the second heating unit 732 so that the measured temperature repeatedly measured by the temperature sensor 91 is maintained in a predetermined temperature range until the dryness is reached. (On/Off) can be controlled.
  • controlling the temperature of the on/off of the first heating unit 731 and/or the second heating unit 732 means that the temperature measured by the temperature sensor 91 is maintained in a constant temperature range.
  • the operation of turning on and off the first heating unit 731 and/or the second heating unit 732 is repeatedly performed to make it possible.
  • the control unit 60 When the temperature measured by the temperature sensor 91 exceeds a predetermined upper limit temperature, the control unit 60 turns off the first heating unit 731 and/or the second heating unit 732, and the temperature sensor ( When the temperature measured in 91) is less than the predetermined lower limit temperature, the control unit 60 repeats the operation of turning on the first heating unit 731 and/or the second heating unit 732 again, so that the temperature sensor 91 ) means that the measured temperature is maintained above the lower limit temperature and below the upper limit temperature.
  • control unit 60 will control the first heating unit 731 and the second heating unit 732 to be maintained in the same temperature range for an additional time set according to the fabric ( S700 ).
  • control unit 60 When the additional time elapses, the control unit 60 will stop the rotation of the drum 3 and end the drying cycle (S900).
  • the control method of the present disclosure starts rotation of the drum through the driving unit 5 that rotates the drum 3 (S100), and is located in the second flow path 73
  • the first heating unit 731 and the second heating unit 732 for heating the air introduced into the second flow path 73 are operated, and the fan 711 is rotated (S150).
  • the control method of the present disclosure repeatedly measures the moisture content of the clothes using the drying sensor 8 from a preset first time to a preset second time (S300), and from the first time to the second time.
  • a section moisture content that is an average value of the moisture content measured up to time may be calculated, and the fabric quality of the clothing may be determined according to the section moisture content ( S400 ).
  • the control method of the present disclosure sets a target dryness level and an additional time (S600), and uses the temperature sensor 91 until the predetermined target dryness level is reached.
  • the first heating unit 731 and the second heating unit 732 may be controlled ( S600 ) so that the air sucked into the flow path 71 maintains a predetermined temperature range.
  • FIG. 4 is a flowchart illustrating an example of a method of setting a target dryness level and an additional time according to the amount of cloth and the quality of the cloth.
  • the temperature and drying sensor 8 measures the moisture content of the clothes accommodated in the drum 3 (S350), and then outlines the process according to the section temperature rate and section moisture content and determining the cloth quantity and fabric quality (S400). it has been explained
  • the amount of cloth may be determined using the section temperature ratio, and the fabric quality may be determined using the section moisture content.
  • the weight and weight are not completely independent.
  • clothing made of a hydrophilic material has a high moisture content, so the amount of laundry may be relatively large.
  • the cloth quality may be set by comprehensively judging the cloth weight and the cloth quality. Learning through deep learning is also to comprehensively analyze the pattern of temperature and moisture content during the reference time to finally determine the laundry weight and fabric quality more accurately.
  • the control method of the present disclosure may determine that the clothing is made of a hydrophilic material. In addition, when the measured and calculated section moisture content is less than or equal to the preset second reference moisture content S420, the control method of the present disclosure may determine that the clothing is made of a hydrophobic material. In addition, when the measured and calculated section moisture content is a value located between the first reference moisture content and the second reference moisture content, the control method of the present disclosure may determine the clothing as an intermediate material.
  • the control method of the present disclosure shows an example divided into three materials according to the fabric, and can be further subdivided otherwise.
  • the control method of the present disclosure cites as an example a method of simply classifying according to the section moisture content and section temperature ratio, but unlike this, after learning the pattern of moisture content and temperature for a reference time through deep learning, the laundry amount through this and porosity can be judged.
  • the reference time is subdivided again, and the average value of the temperature in each subdivided section may be used as the average value of the moisture content.
  • the temperature is measured through the temperature sensor 91 and the drying sensor 8 is provided as an electrode sensor, the voltage value at both terminals 81. 83 is measured to be used according to the parsing rule.
  • the input value can be obtained by If this input value is put into a deep neural network, the foreskin can be determined.
  • a preset first target dryness level and a first additional time are set ( S510 ), and accordingly, until the second target dryness level is reached.
  • the heating unit 730 may be operated (S610), and the heating unit 730 may be operated (S710) in the same manner during the second additional time.
  • a preset second target dryness level and a second additional time are set ( S520 ), and accordingly, the heating unit 730 is heated until the second target dryness is reached.
  • control method of the present disclosure sets a preset third target dryness level and a third additional time when the cloth is determined to be an intermediate material (S530), and accordingly, the heating unit 730 until the third target dryness level is reached. ) may be operated (S630), and the heating unit 730 may be operated (S730) in the same manner for the second additional time.
  • the laundry weight when the amount of laundry calculated according to the section temperature ratio is less than the reference laundry weight (S440), it may be determined that only a very small amount of clothing is being dried.
  • the reason that the section temperature ratio is small is because the temperature rise of the air discharged to the first flow path is slow due to the large amount of clothes, that is, the amount of clothes contained therein.
  • the classification of cloth may be meaningless. If the amount of cloth is small, the drying time is set to be short, and even after the drying process is completed, the drying time may be in an undried state. Alternatively, this is because the drying time is set for a long time, which may lead to an overdrying phenomenon of drying too much.
  • the target dryness level and the additional time are set to a preset fourth target dryness level and a preset fourth additional time (S540), regardless of the fabric quality, and accordingly, the 4
  • the heating unit 730 may be operated (S640) until the target dryness is reached, and the heating unit 730 may be operated (S740) in the same manner during the fourth additional time.
  • control unit 60 may determine the amount of clothes, that is, the amount of clothes, by using the temperature repeatedly measured by the temperature sensor 91 for a reference period of time. Specifically, the amount of laundry may be determined according to the section temperature rate calculated by measuring the temperature during the reference time.
  • 5 to 8 show the setting of the target dryness level and the additional time according to the laundry weight and fabric quality, the control of the heating unit 730 until the set target dryness is reached, and the control of the heating unit 730 for the set additional time.
  • a specific example is shown.
  • FIG. 5 is a description of a control method when the cloth is determined as a hydrophilic material
  • FIG. 6 is a description of a control method when the cloth is determined as a hydrophobic material
  • 7 is a description of a control method when the cloth is determined to be an intermediate material
  • FIG. 8 is an explanation of a control method when it is determined that the additionally measured amount of laundry is less than the reference weight. Therefore, each of the four cases is described in detail based on FIG. 4 .
  • SA710 denotes the first setting step (S510) and the first heating operation step (S520) indicated by SA in FIG. 4, and the first additional heating step (S710) is combined here.
  • the control method of the present disclosure may set the target dryness level as the first target dryness level and set the additional time as the first additional time period ( S510 ). In FIG. 4 , this is referred to as a first setting step ( S510 ).
  • the control method of the present disclosure repeatedly measures the first degree of dryness using the drying sensor 8 until the drying level of the clothes reaches the first target dryness level (S611). )can do. If the measured first dryness level is less than the first target dryness level (S612), the control unit 60 controls the first heating unit ( 731 and the second heating unit 732 may be controlled. This is referred to as a first heating operation step (S610). If the measured first dryness level is equal to or greater than the first target dryness level (S612), since the first target dryness level is satisfied, the control method of the present disclosure terminates the first heating operation step (S610) and 1 may proceed to the additional heating step (S710).
  • the control unit 60 controls the first heating unit so that the seventh temperature measured by the temperature sensor 91 can be maintained in the same temperature range as in the first heating operation step (S610). 731 and the second heating unit 732 may be controlled.
  • the control method of the present disclosure may repeatedly measure the first temperature using the temperature sensor 91 (S613).
  • the control method of the present disclosure may set the temperature range to be less than or equal to the first reference temperature and greater than or equal to the second reference temperature.
  • the first reference temperature may be set to 66 degrees (°C)
  • the second reference temperature may be set to 62 degrees (°C).
  • the controller 60 may turn off both the first heating unit 731 and the second heating unit 732 (S616). there is.
  • the control unit 60 may turn on both the first heating unit 731 and the second heating unit 732 (S618). there is. This is because, since the hydrophilic material has a high moisture content, both the first heating unit 731 and the second heating unit 732 must be operated for this purpose.
  • the controller 60 maintains the temperature range of the air discharged from the drum 3 below the first reference temperature and above the second reference temperature until the first target dryness is reached,
  • the first heating unit 731 and the second heating unit 732 may be turned on/off. By repeating this, the first temperature repeatedly measured by the temperature sensor 91 may be maintained below the first reference temperature and above the second reference temperature.
  • the first heating unit 731 and the second heating unit 732 may be turned on/off to maintain the temperature range of the first reference temperature or less and the second reference temperature or more. there is.
  • the seventh temperature may be measured (S713) through the temperature sensor 91 until the first additional time elapses (S711).
  • the controller 60 may turn off both the first heating unit 731 and the second heating unit 732 (S716). there is.
  • the control unit 60 turns on both the first heating unit 731 and the second heating unit 732 (S718) can do it By repeating this, the seventh temperature repeatedly measured by the temperature sensor 91 may be maintained below the first reference temperature and above the second reference temperature.
  • the control method of the present disclosure may set the target dryness level as the second target dryness level and set the additional time as the second additional time period ( S520 ). In FIG. 4 , this is referred to as a second setting step ( S520 ).
  • the control method of the present disclosure may measure a second temperature through a temperature sensor (S6201). Until the second temperature reaches the third reference temperature (S6202), the control method of the present disclosure may repeatedly measure the second temperature (S6201). In this case, after the control unit 60 operates both the first heating unit 731 and the second heating unit 732 to reach a predetermined third reference temperature after the reference time elapses, the first heating unit 731 and to selectively operate only one of the second heating units 732 . In order to supply sufficient heat for drying, both the first heating unit 731 and the second heating unit 732 may be operated until the third reference temperature is reached.
  • the third reference temperature may be set to 66 degrees (°C).
  • the control method of the present disclosure turns off the other heater that is not selected among the first heating unit 731 and the second heating unit 732 (S6209).
  • do. 6 illustrates an example in which the first heating unit 731 is selected and the second heating unit 732 is not selected and thus turned off.
  • the second dryness level may be repeatedly measured ( S621 ) by using the drying sensor 8 until the dryness level of the clothes reaches the second target dryness level. If the measured second dryness is less than the second target dryness, the controller 60 turns on only the first heating unit 731 so that the temperature measured by the temperature sensor 91 can maintain a predetermined temperature range. /can be turned off. If the second heating unit 732 is selected, the first heating unit 731 may be turned off, and the control unit 60 may turn on/off only the second heating unit 732 .
  • the steps from measuring the second temperature (S6201) to controlling the on/off of the first heating unit 731 (S626, S628) are collectively referred to as a second heating operation step (S620).
  • the control method of the present disclosure terminates the second heating operation step (S620) and 2 It may proceed to the additional heating step (S720).
  • the control unit 60 controls the first heating unit (60) so that the eighth temperature measured by the temperature sensor 91 can maintain the same temperature range as in the second heating operation step (S620). 731) can be controlled. That is, the second heating unit 732 may be turned off, and only the first heating unit 731 may be turned on/off to maintain a predetermined temperature range. .
  • the control method of the present disclosure may measure the third temperature using the temperature sensor 91 (S623).
  • the control method of the present disclosure may set the temperature range to be less than or equal to the fourth reference temperature and higher than or equal to the fifth reference temperature.
  • the fourth reference temperature may be set to 52 degrees (°C)
  • the fifth reference temperature may be set to 48 degrees (°C). Then, when the third temperature measured by the temperature sensor 91 exceeds the fourth reference temperature (S625), the control unit 60 turns off the selected first heating unit 731 (S626) can And when the measured third temperature is less than the fifth reference temperature (S627), the control unit 60 may turn on the first heating unit 731 (S628).
  • the fourth reference temperature is It may be set lower than the first reference temperature, and the fifth reference temperature may be set lower than the second reference temperature.
  • control unit 60 maintains the temperature range of the air discharged from the drum 3 below the fourth reference temperature and above the fifth reference temperature until the second target dryness is reached,
  • the first heating unit 731 and the second heating unit 732 may be turned on/off. And, by repeating this, the third temperature repeatedly measured by the temperature sensor 91 may be maintained below the fourth reference temperature and above the fifth reference temperature.
  • the eighth temperature may be measured through the temperature sensor 91 until the second additional time elapses.
  • the control unit 60 may turn off the selected first heating unit 731 .
  • the eighth temperature measured again is less than the fifth reference temperature
  • the control unit 60 may turn on all of the first heating unit 731 .
  • the eighth temperature repeatedly measured by the temperature sensor 91 may be maintained below the fourth reference temperature and above the fifth reference temperature. Since the control method of the second additional heating step (S720) is the same as that of the first additional heating step (S710), it is omitted from FIG.
  • the control method of the present disclosure may set the target dryness level as the third target dryness level and set the additional time as the third additional time period (S530). In FIG. 4 , this is referred to as a third setting step ( S530 ).
  • the control method of the present disclosure may measure a fourth temperature through a temperature sensor (S6301).
  • the control method of the present disclosure may repeatedly measure the fourth temperature (S6201) until the fourth temperature reaches the first reference temperature (S6302) by a predetermined number of repetitions. Because the intermediate material has a higher moisture content than the hydrophobic material, the number of repetitions reaching the first reference temperature is set to a plurality of times in order to lengthen the drying time. Preferably, the number of repetitions may be two.
  • control unit 60 includes the first heating unit 731 and the first heating unit 731 to maintain the fourth temperature, which is repeatedly measured, between the first reference temperature and the sixth reference temperature. On/off of the second heating unit 732 may be controlled.
  • the control method of the present disclosure After measuring the fourth temperature (S6301), the control method of the present disclosure turns off the first heating unit 731 and the second heating unit 732 when the fourth temperature is equal to or higher than the first reference temperature (S6302). off) (S6303), and when the fourth temperature is below the sixth reference temperature (S6304), the first heating unit 731 and the second heating unit 732 are turned on (S6305), and repeated measurement It is possible to allow the fourth temperature to reach the first reference temperature again.
  • the control method of the present disclosure selects only one of the first heating unit 731 and the second heating unit 732 to control and the other heating unit can be turned off.
  • 7 illustrates an example in which on/off control is performed by selecting the first heating unit 731 and the second heating unit 732 is turned off (S6309). However, it may be selected and controlled in the opposite direction.
  • the control unit 60 operates both the first heating unit 731 and the second heating unit to increase the drying time to reach the first reference temperature. It was increased to multiple times instead of once.
  • the first heating unit 731 and the second heating unit (731) and the second heating unit (731) and the second heating unit ( 732) to selectively operate only one of the heating units.
  • the control method of the present disclosure uses the drying sensor 8 to use the third drying level until the drying level of the clothes reaches the third target drying level. can be repeatedly measured (S631). If the measured third dryness is less than the third target dryness (S632), the control unit 60 controls the first heating so that the fifth temperature measured by the temperature sensor 91 can maintain a predetermined temperature range. Only the unit 731 can be turned on/off. If the second heating unit 732 is selected, the first heating unit 731 is turned off, and the control unit 60 turns on/off only the second heating unit 732 .
  • the steps from measuring the fifth temperature (S6301) to controlling the on/off of the first heating unit 731 (S636, S623) are collectively referred to as a third heating operation step (S630).
  • the control method of the present disclosure terminates the second heating operation step (S630) and 3 It may proceed to the additional heating step (S730).
  • the control unit 60 controls the first heating unit so that the ninth temperature measured by the temperature sensor 91 can maintain the same temperature range as in the third heating operation step (S630). 731) can be controlled. That is, the second heating unit 732 may be turned off, and only the first heating unit 731 may be turned on/off to maintain a predetermined temperature range.
  • the control method of the present disclosure may measure the fifth temperature using the temperature sensor 91 (S633).
  • the control method of the present disclosure may set the temperature range to be less than or equal to the fourth reference temperature and higher than or equal to the fifth reference temperature.
  • the fourth reference temperature may be set to 52 degrees (°C)
  • the fifth reference temperature may be set to 48 degrees (°C).
  • the control unit 60 turns off the selected first heating unit 731 (S636) can And when the measured fifth temperature is less than the fifth reference temperature (S637), the control unit 60 may turn on the first heating unit 731 (S638). By repeating this, the fifth temperature repeatedly measured by the temperature sensor may be maintained below the fourth reference temperature and above the fifth reference temperature.
  • the first heating unit 731 and the second heating unit 732 may be turned on/off to maintain the temperature range of the fourth reference temperature or lower and the fifth reference temperature or higher. there is.
  • the ninth temperature may be measured through the temperature sensor 91 until the second additional time elapses.
  • the control unit 60 may turn off the selected first heating unit 731 .
  • the control unit 60 may turn on all of the first heating units 731 . Since the control method of the third additional heating step (S730) is the same as that of the first additional heating step (S710), it is omitted in FIG. 7 .
  • the control method of the present disclosure may set the target dryness level as the fourth target dryness level and set the additional time as the fourth additional time period (S540). there is. In FIG. 4 , this is referred to as a fourth setting step ( S540 ).
  • the control method of the present disclosure repeatedly measures the fourth degree of dryness using the drying sensor 8 until the dryness level of the clothes reaches the fourth target dryness level (S641). )can do. If the measured fourth degree of dryness is less than the fourth target dryness (S642), the controller 60 controls the first heating unit ( 731 and the second heating unit 732 may be controlled. This is referred to as a fourth heating operation step (S640). If the measured fourth degree of dryness is equal to or greater than the fourth target dryness (S642), since the fourth target dryness is satisfied, the control method of the present disclosure terminates the fourth heating operation step (S640) and 4 may proceed to the additional heating step (S740).
  • the control unit 60 controls the first heating unit so that the tenth temperature measured by the temperature sensor 91 can maintain the same temperature range as in the fourth heating operation step (S640). 731 and the second heating unit 732 may be controlled.
  • the control method of the present disclosure may repeatedly measure the sixth temperature using the temperature sensor 91 (S643).
  • the control method of the present disclosure may set the temperature range to be less than or equal to the seventh reference temperature and greater than or equal to the eighth reference temperature.
  • the seventh reference temperature may be set to 66 degrees (°C)
  • the eighth reference temperature may be set to 62 degrees (°C).
  • the controller 60 may turn off both the first heating unit 731 and the second heating unit 732 (S646). there is.
  • the control unit 60 may turn on both the first heating unit 731 and the second heating unit 732 (S648). there is. This is because, since the hydrophilic material has a high moisture content, both the first heating unit 731 and the second heating unit 732 must be operated for this purpose.
  • control unit 60 maintains the temperature range of the air discharged from the drum 3 below the seventh reference temperature and above the eighth reference temperature until the fourth target dryness is reached,
  • the first heating unit 731 and the second heating unit 732 may be turned on/off.
  • the sixth temperature repeatedly measured by the temperature sensor 91 may be maintained below the seventh reference temperature and above the eighth reference temperature.
  • the first heating unit 731 and the second heating unit 732 may be turned on/off to maintain the temperature range of the seventh reference temperature or less and the eighth reference temperature or higher. there is.
  • the tenth temperature may be measured through the temperature sensor 91 until the fourth additional time elapses.
  • the controller 60 may turn off both the first heating unit 731 and the second heating unit 732 .
  • the control unit 60 may turn on both the first heating unit 731 and the second heating unit 732 .
  • the tenth temperature repeatedly measured by the temperature sensor 91 may be maintained below the seventh reference temperature and above the eighth reference temperature. Since the control method of the fourth additional heating step (S740) is the same as that of the first additional heating step (S710), it is omitted in FIG. 8 .
  • FIG. 9 is a cross-sectional view of an exhaust type dryer using a gas heater as the heating unit 730 of the laundry treatment apparatus 100 .
  • a first gas heater 9301 and a second gas heater 9302 are used as the heating unit 730, and the control unit 60 (refer to FIG. 2) is the first gas heater 9301 and the second gas heater 9302.
  • a gas supply valve not shown
  • the first flow path 71 may include a heat exchanger 630 . This is to cool the air discharged through the first flow path 71 in order to prevent the surrounding area from becoming hot by discharging the hot and humid air inside the drum directly to the outside.
  • the heating unit 730 is a heat pump (not shown).
  • the first heating unit and the second heating unit may be replaced by adjusting the amount of refrigerant flowing through the heat pump.
  • the second passage may be divided into two passages, and a heat pump may be provided in both passages.
  • the control unit 60 will control the opening and closing of both passages and the on/off of the heat pump.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

La présente divulgation concerne un appareil de traitement du linge comprenant : une carrosserie formant l'extérieur ; un tambour cylindrique placé à l'intérieur de la carrosserie de manière à pouvoir tourner et accueillir du linge ; un capteur d'humidité qui est situé sur la surface interne du tambour et qui mesure le degré de séchage du linge ; et un dispositif de commande qui reçoit un signal de commande provenant du capteur d'humidité et commande une unité d'entraînement, le dispositif de commande déterminant la nature de la matière du linge en fonction d'une teneur en humidité dans un intervalle, qui est une valeur moyenne de teneur en humidité mesurée de façon répétée par le capteur d'humidité entre le moment où un premier instant prédéfini est atteint et celui où un second instant prédéfini est atteint.
PCT/KR2021/013983 2020-10-15 2021-10-12 Appareil de traitement du linge et son procédé de commande Ceased WO2022080799A1 (fr)

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CN115821556B (zh) * 2022-12-01 2025-10-31 珠海格力电器股份有限公司 一种提升烘干判干精确度的控制方法、洗衣机及介质
WO2025135896A1 (fr) * 2023-12-22 2025-06-26 엘지전자 주식회사 Appareil de traitement de vêtements
KR20250128178A (ko) * 2024-02-20 2025-08-27 삼성전자주식회사 건조기 및 건조기의 제어방법
KR20250150387A (ko) * 2024-04-11 2025-10-20 삼성전자주식회사 포질에 따라 건조 코스를 추천하는 방법 및 그에 따른 건조기

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