WO2022108100A1 - Sèche-linge et son procédé de commande - Google Patents

Sèche-linge et son procédé de commande Download PDF

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Publication number
WO2022108100A1
WO2022108100A1 PCT/KR2021/013405 KR2021013405W WO2022108100A1 WO 2022108100 A1 WO2022108100 A1 WO 2022108100A1 KR 2021013405 W KR2021013405 W KR 2021013405W WO 2022108100 A1 WO2022108100 A1 WO 2022108100A1
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WO
WIPO (PCT)
Prior art keywords
drum
dryer
rotation speed
temperature
driving motor
Prior art date
Application number
PCT/KR2021/013405
Other languages
English (en)
Korean (ko)
Inventor
차혜민
염창배
이연주
박재룡
이기수
전명원
최한규
Original Assignee
삼성전자주식회사
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
Priority claimed from KR1020210065120A external-priority patent/KR20220069788A/ko
Application filed by 삼성전자주식회사 filed Critical 삼성전자주식회사
Priority to EP21894872.7A priority Critical patent/EP4206393A4/fr
Priority to CN202180072596.4A priority patent/CN116368273A/zh
Publication of WO2022108100A1 publication Critical patent/WO2022108100A1/fr
Priority to US18/142,233 priority patent/US20230265601A1/en

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • 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
    • 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 
    • 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
    • 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 
    • D06F58/24—Condensing 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
    • D06F2101/00—User input for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2101/20—Operation modes, e.g. delicate laundry washing programs, service modes or refreshment cycles
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/26—Heat pumps
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/30—Blowers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
    • D06F2105/48—Drum speed
    • 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 
    • D06F58/206—Heat pump arrangements

Definitions

  • the disclosed invention relates to a dryer, and more particularly, to a dryer for dehumidifying air outside the dryer in addition to drying an object to be dried.
  • the dryer is a device for drying the object by supplying hot air into the drum while rotating the drum in which the wet clothes (hereinafter referred to as the object to be dried) are accommodated.
  • Existing dryers are installed and used in a separate laundry room or multi-purpose room in the house, and the laundry or multi-purpose room does not have a window or is narrow, so ventilation is not performed well. If the humidity in the laundry room or multi-purpose room is high, there is a concern that the dryer installed there may be corroded, and may cause discomfort to users entering and leaving the room.
  • a dehumidifier can be installed separately in the space where the dryer is installed, but it is inefficient in terms of cost and space.
  • the heat pump type dryer may dry the object to be dried using a refrigerant cycle.
  • the original function of the dryer is to dry the object to be dried, but if the characteristics of the refrigerant cycle are properly utilized, all of the above-mentioned problems can be solved at once.
  • One aspect of the disclosed invention is to provide a dryer with improved dehumidification efficiency by utilizing functions already provided in the dryer.
  • a dryer includes a main body; a drum provided inside the body to accommodate the object to be dried; a driving motor for rotating the drum; an input unit for receiving an input of a drying mode or a dehumidifying mode from a user; a heat exchanger provided inside the body; and controlling the driving motor to rotate the drum at a first rotation speed when the drying mode is input, and the driving motor to rotate the drum at a second rotation speed different from the first rotation speed when the dehumidification mode is input It includes; a control unit for controlling the.
  • the controller may control the driving motor to rotate the drum at a second rotation speed that is smaller than the first rotation speed in the dehumidification mode.
  • the controller may control the driving motor to rotate the drum at a second rotation speed greater than the first rotation speed in the dehumidification mode.
  • control unit may rotate the drum so that air introduced from the outside reaches the inner surface of the drum.
  • the dryer according to an embodiment further includes a compressor generating high-temperature air, wherein the controller controls the compressor so that the temperature inside the drum becomes a first temperature in the drying mode, and in the dehumidification mode The compressor may be controlled so that the temperature inside the drum becomes a second temperature different from the first temperature.
  • the controller may control the compressor so that the temperature inside the drum becomes a second temperature lower than the first temperature in the dehumidification mode.
  • the dryer according to an embodiment may further include a fan that introduces air from the outside and forms a flow path through which the air passing through the heat exchanger and the drum flows out to the outside.
  • control unit When receiving a selection command for the dehumidification mode through the input unit, the control unit may generate a control signal for driving the fan.
  • a method of controlling a dryer includes: receiving a selection command for a dehumidification mode; Controlling a fan to form a flow path for passing the air introduced from the outside to the drum to flow out to the outside; and controlling the driving motor to rotate the drum at a second rotation speed when in the dehumidification mode, wherein the second rotation speed is different from the first rotation speed that is the rotation speed of the drum in the drying mode is the rotation speed.
  • the controlling of the driving motor may include controlling the driving motor so that the drum rotates at a second rotation speed smaller than the first rotation speed in the dehumidification mode.
  • the controlling of the driving motor may include controlling the driving motor so that the drum rotates at a second rotation speed greater than the first rotation speed in the dehumidification mode.
  • the controlling of the driving motor may include rotating the drum so that air introduced from the outside reaches the inner surface of the drum.
  • the compressor is controlled so that the temperature inside the drum becomes a first temperature in the drying mode, and a second temperature where the temperature inside the drum is different than the first temperature in the dehumidification mode It may further include; controlling the compressor to become
  • the controlling of the compressor may include controlling the compressor so that, in the dehumidification mode, the internal temperature of the drum becomes a second temperature lower than the first temperature.
  • the controlling of the driving motor may include generating a control signal for driving a fan when a selection command for the dehumidification mode is received through the input unit.
  • the dehumidification efficiency of the dryer can be increased by rotating the drum during dehumidification of the dryer to prevent water vapor from condensing inside the dryer.
  • FIG. 1 illustrates an appearance of a dryer according to an embodiment.
  • FIG. 2 is a side cross-sectional view illustrating a dryer in a drying mode according to an embodiment.
  • FIG 3 is a side cross-sectional view illustrating a dryer in a dehumidifying mode according to an exemplary embodiment.
  • FIG. 4 shows the drum rotates when the dryer is in a dehumidifying mode according to an embodiment.
  • FIG. 5 shows a base of a dryer according to an embodiment.
  • FIG. 6 is a control block diagram of a dryer according to an embodiment.
  • FIG. 7 is a flowchart of a method for controlling a dryer according to an exemplary embodiment.
  • FIG. 8 is a flowchart of a method for controlling a dryer according to another exemplary embodiment.
  • a part when a part is "connected" to another part, it includes not only a direct connection but also an indirect connection, and the indirect connection includes connection through a wireless communication network. do.
  • the identification code is used for convenience of description, and the identification code does not describe the order of each step, and each step may be performed differently from the specified order unless the specific order is clearly stated in the context. have.
  • the dryer 1 according to the present disclosure may be used to dry and/or manage clothes, shoes, miscellaneous goods, and the like.
  • a direction along the X-axis may be defined as a front-back direction
  • a direction along the Y-axis may be defined as a left-right direction
  • a direction along the Z-axis may be defined as an up-down direction.
  • the terms "front and back direction”, “left and right direction” “up and down direction”, etc. used in the following description are defined based on the drawings, and the shape and position of each component is not limited by these terms.
  • FIG. 1 illustrates an appearance of a dryer according to an embodiment.
  • FIG. 2 shows a side cross-section when the dryer according to an embodiment is in a drying mode
  • FIG. 3 shows a side cross-section when the dryer according to an embodiment is in a dehumidifying mode
  • FIG. 4 according to an embodiment The drum is shown rotating when the dryer is in the dehumidifying mode
  • FIG. 5 shows the base of the dryer according to an embodiment.
  • a dryer 1 may include a body 10 .
  • the body 10 includes a front surface 11 , an upper surface 12 , a side surface 13 , a rear surface 14 , and a lower surface 15 , and may be provided in a substantially rectangular parallelepiped shape.
  • the main body 10 may form the main body of the dryer 1 .
  • the body 10 may be provided with a water container 16 for recovery.
  • the collection bucket 16 may be provided on the front surface 11 of the main body 10 .
  • the recovery bucket 16 may store condensed water generated by the operation of a refrigerant cycle to be described later.
  • the main body 10 may be provided with an input unit 17 for operating the dryer.
  • the input unit 17 may be provided on the front surface 11 of the main body 10 .
  • the input unit 17 may include at least one of a rotary switch 17a, a display 17b, and a button 17c.
  • the rotary switch 17a may be provided so that a user can grasp and rotate it and select a mode of the dryer 1 .
  • the display 17b may be provided to display an operation state of the dryer 1 and/or a user's operation state.
  • the display 17b may be provided to enable a touch input.
  • the button 17c may be provided so that a user can select a mode of the dryer 1 by pressing the button 17c.
  • the present invention is not limited thereto, and various manipulation methods may be applied.
  • the body 10 may include a base 60 .
  • the base 60 may be provided under the body 10 to form a lower surface 15 .
  • Legs 19 ( FIG. 2 ) for supporting the body 10 may be provided on the lower surface 15 .
  • the dryer 1 may include a drum 20 provided to accommodate an object to be dried.
  • the drum 20 may include an inlet of the drum into which the object to be dried is put.
  • the drum 20 may be rotatably disposed inside the body 10 .
  • the dryer 1 may include a driving unit for rotating the drum 20 .
  • the driving unit connects the driving motor 31 seated on the base 60 , the pulley 32 rotated by the driving motor 31 , the pulley 32 and the drum 20 to the driving motor
  • a belt (not shown) for transmitting the power of 31 to the drum 20 may be included.
  • the dryer 1 can dehumidify the external space by sucking in humid external air with the door 30 open and discharging the dried air through the refrigerant cycle of the heat exchanger 70 . .
  • the door 30 is opened, so that an open flow path may be formed.
  • the dryer 1 according to an exemplary embodiment may further include a dehumidifying unit 100 so that an open flow path can be formed even when the door 30 is closed.
  • the drum 20 may include an inlet 21 through which air is introduced into the drum 23 and an outlet 22 through which air is discharged from the inside of the drum 23 to the outside of the drum.
  • the inlet 21 may be formed on one side of the drum 20
  • the outlet 22 may be formed on the other side of the drum 20 .
  • the inlet 21 may be a rear opening of the drum 20
  • the outlet 22 may be a front opening of the drum 20 .
  • the front side opening of the drum 20 may be an inlet of the drum 20 .
  • the high-temperature dry air may be introduced into the drum 20 through the inlet 21 to dry the drying object accommodated in the drum 20 .
  • the air containing a large amount of moisture after drying the object to be dried may exit the drum 20 through the outlet 22 .
  • a plurality of lifters 24 may be disposed inside the drum 20 .
  • the lifter 24 raises and falls the object to be dried so that the object to be dried comes into contact with the hot air while floating in the space inside the drum 20 .
  • a first opening (or inlet) 25 may be formed on the front surface of the main body 10 so that a drying object can be put into the drum 20 , and a door 30 for opening and closing the first opening 25 . can be installed.
  • the door 30 may be hinged to one side of the first opening 25 to be rotatably provided.
  • a base 60 (refer to FIG. 5 ) may be disposed under the drum 20 .
  • a heat exchanger 70 a compressor 73 , an expansion device 74 , etc. constituting a refrigerant cycle may be seated on the base 60 .
  • the fan 80 the driving motor 31 , the pulley 32 , etc. may be seated on the base 60 .
  • a base cover 75 may be provided on the base 60 to cover the heat exchanger 70 and the like.
  • the base cover 75 may form a duct structure together with the base 60 .
  • the fan 80 may be provided on the base 60 .
  • the fan 80 may generate a blowing force to form an air flow path.
  • the fan 80 may discharge air in a radial direction.
  • the fan 80 may include a rotation shaft 83 formed in the center and a plurality of blades 84 formed in a circumferential direction about the rotation shaft 83 .
  • a closed flow path may be formed inside the main body 10 of the dryer 1 in the drying mode.
  • the closed flow path may be a movement path of air (refer to arrows in FIG. 2 ) configured to circulate the air inside the cabinet through the heat exchanger 70 and the drum 20 .
  • the closed flow path may not communicate with the outside of the body 10 so that air outside the body 10 does not flow in or out. That is, the flow of air may form a closed loop.
  • the filter unit 50 may be detachably mounted to the dryer 1 .
  • the filter unit 50 may be detachably mounted inside the body 10 through the second opening 65 .
  • the filter unit 50 may be mounted on or detached from the unit accommodating part 61 .
  • the filter unit 50 may prevent air from escaping on the closed flow path. That is, the filter unit 50 may prevent the drying efficiency of the dryer 1 from being deteriorated.
  • the filter unit 50 may be disposed on the base 60 .
  • the dryer 1 may perform a dehumidifying operation (dehumidifying mode). That is, the dryer may be switched from the drying mode to the dehumidifying mode.
  • the dehumidifying unit 100 may be provided on the base 60 . Specifically, the dehumidifying unit 100 may be detachably mounted to the base 60 .
  • the dryer 1 may have an open flow path.
  • the open flow path refers to a movement path of air in which external air is sucked into the dryer 1, passes through the heat exchanger 70 and the drum 20, and then discharged to the outside of the dryer 1 (refer to the arrow in FIG. 3) ) can be
  • the open flow path may be a movement path of air in which external air is sucked into the dryer 1 , passes through the heat exchanger 70 , and then discharged to the outside of the dryer 1 .
  • Both ends of the inlet port (not shown) and the outlet port (not shown)) of the dehumidifying unit 100 communicate with the outside of the body 10 , respectively, and the flow of air may form an open loop.
  • External humid air that is, air before dehumidification may be introduced into the body 110 of the dehumidifying unit 100 through the inlet port of the dehumidifying unit 100 .
  • the introduced air may pass through an outlet (not shown) along an inlet flow path provided inside the body 110 .
  • the air passing through the outlet may pass through the heat exchanger 70 .
  • the air passing through the outlet may exchange heat with the evaporator 71 and the condenser 72 while passing through the evaporator 71 and the condenser 72 .
  • the air passing through the heat exchanger 70 may be hot dry air.
  • the 'high temperature' means a relatively higher temperature than the air before passing through the heat exchanger 70, and does not mean that it is absolutely hot.
  • the fan 80 may be disposed in a flow path connecting the outlet 22 of the drum 20 and the inlet of the dehumidifying unit 110 .
  • the fan 80 may allow the dehumidified air to move smoothly.
  • Air introduced into the body 110 may be discharged to the outside of the body 10 through an outlet port along a discharge passage (not shown) of the dehumidifying unit 100 .
  • the air before dehumidification is introduced from the outside and heat exchanged with the heat exchanger 70 inside the dryer 1 to be dehumidified, and the air after dehumidification may be discharged to the outside of the dryer 1 .
  • a dehumidifying operation dehumidifying mode
  • the dryer 1 controls the driving motor 31 to rotate the drum 20 in the dehumidifying mode.
  • the dryer 1 rotates the drum 20 in the drying mode to raise and drop the object to be dried through the plurality of lifters 24 so that the object to be dried is exposed to hot air while the object is suspended in the space inside the drum 20. make contact
  • the dryer 1 controls the driving motor 31 to rotate the drum 20 at the second rotation speed in the dehumidification mode.
  • the rotation speed of the drum 20 may be 30 rpm to 60 rpm.
  • the rotation speed in the dehumidification mode is not necessarily different from the speed in the drying mode or limited to the exemplified numerical values, and the rotation speed may vary depending on the temperature inside the drum 20 and the external environment (indoor temperature, indoor humidity). Note that you can rely on
  • the drum 20 may rotate in the dehumidification mode 20 . Assumptions, if the drum 20 is in a stationary state in the dehumidification mode, the air discharged from the inlet 21 is concentrated on only one of the surfaces of the drum 20 . However, when the drum 20 rotates, the air introduced from the inlet 21 is evenly distributed on the surface of the drum 20 by the rotation of the drum 20 .
  • FIG. 6 is a control block diagram of a dryer according to an embodiment.
  • the input unit 17 allows the user to select a mode through dial rotation, button input, or display touch input.
  • the input unit 17 may provide an interface for selecting a drying mode or a dehumidifying mode.
  • the input unit 17 receives a selection for the drying mode or the dehumidifying mode from the user, the input unit 17 transmits a corresponding control signal to the control unit 400 .
  • the display 17b displays the operation state of the dryer 1 and/or the operation state of the user.
  • the control unit 400 receives a memory (not shown) for storing a program and data for controlling the operation of the dryer 1 and a control signal for controlling the operation of the dryer 1 according to the program and data stored in the memory. It may include a generating processor (not shown).
  • the control unit 400 determines whether the external air can be introduced through the flow path formed by the fan 80 . For example, the control unit 400 may determine that the door 30 is in an open state through the door sensor 410 , and may generate a control signal so that an open flow path is formed to perform the dehumidification mode. In addition, when the dehumidification unit 100 is mounted on the dryer 1 and the door 30 is closed, the control unit 400 may check whether the dehumidification unit 100 forms an open flow path through the guide sensor 430 . have. In this case, the controller 400 may generate a control signal so that the dehumidification mode can be performed.
  • control unit 400 may control the drum 20, the heat exchanger 70, and/or the fan 80 to be driven. .
  • the controller 400 controls the drum 20 to rotate by providing a current to the driving motor 31 (refer to FIG. 5 ). As the drum 20 rotates, the temperature in the drum 20 may rise to increase the dehumidifying effect.
  • the control unit 400 supplies current to the driving motor 31 for a predetermined time so that the drum 20 rotates until the dehumidification mode ends.
  • the fan 80 may share the driving force of the driving motor 31 provided by the drum 20 , and may rotate together according to the rotation of the drum 20 .
  • the fan 80 may be provided so that a device such as a separate clutch (not shown) is added to the base 60 or a plurality of driving motors 31 are provided to enable independent rotation of the drum 20 . can
  • the heat exchanger 70 may exchange heat with air, and may include an evaporator 71 (refer to FIG. 5) and a condenser 72 (refer to FIG. 5).
  • the controller 400 may dehumidify the humid external air through the refrigerant cycle of the heat exchanger 70 . At this time, the controller 400 may control the speed of the compressor 73 (refer to FIG. 5 ) to adjust the temperature inside the drum 20 .
  • the controller 400 may control the compressor 73 so that the temperature inside the drum 20 has a lower value than that in the dry mode.
  • the temperature inside the drum 20 may control the compressor 73 to be 60 degrees when the dryer 1 is in the drying mode and 40 degrees when it is in the dehumidification mode.
  • the control unit 400 may control the temperature inside the drum 20 to maintain a relatively low value so that the temperature outside the dryer 1 does not deviate from room temperature as much as possible.
  • the above-described temperature is only one example, and may be set to various values according to the external environment (temperature or humidity) of the dryer 1 .
  • the controller 400 may control the driving motor 31 so that the rotation speed of the fan 80 has a lower value than that in the drying mode.
  • the rotation speed of the drive motor 31 may control the magnitude of the current applied to the drive motor 31 so that it becomes XXX when the dryer 1 is in the drying mode and YYY when the dehumidification mode.
  • the drum 20 since the drum 20 receives a driving force from the driving motor 31 which is the driving source of the fan 80 together with the fan 80 , the rotational speed of the drum 20 is the rotational speed of the fan 80 . may be dependent on
  • control unit 400 may set the rotational speed of the drum 20 and the fan 80 to have a lower value than that in the dry mode, so that the external temperature does not deviate from room temperature. Specifically, as the rotation speed of the drum 20 increases, the internal temperature of the drum 20 rises, and the air discharged to the outside of the dryer 1 may have a higher temperature than room temperature. In addition, as the rotation speed of the fan 80 increases, the volume of air discharged through the flow path increases, which may eventually increase the temperature of the outside of the dryer 1 .
  • the controller 400 controls the driving motor 31 so that the rotational speed of the driving motor 31 has a lower value than the rotational speed in the drying mode.
  • the above-described conditions are only an example, and may be set to various values according to the external environment (temperature or humidity) of the dryer 1 .
  • the compressor 73 compresses the refrigerant, and delivers the compressed refrigerant to the condenser 72 .
  • the compressor 73 may be implemented as an inverter compressor with variable drying capacity, but is not limited thereto.
  • the compressor 73 operates by rotating the provided motor based on the operating frequency provided from the control unit 400 .
  • the controller 400 may adjust the operating frequency of the compressor 73 based on at least one of the setting of the drying cycle, the drying time, the temperature of the internal air of the drum 20, and the temperature of the compressor.
  • FIG. 7 is a flowchart of a method for controlling a dryer according to an exemplary embodiment.
  • the control unit 400 receives the dehumidification mode (701).
  • the input unit 17 receives a user's input for performing the dehumidification mode, and transmits a control signal for the dehumidification mode to the controller 400 .
  • the control unit 400 controls the fan 80 so that the air introduced from the outside passes through the drum 20 and flows out to the outside ( 702 ).
  • the air flow is achieved through a method in which externally humid air is dehumidified in the dryer through an open flow path and then flows out again to the outside. Air can flow through a variety of paths. In this case, the path is the same in that the external humid air passes through the drum 20 through the heat exchanger 70 in the open flow path, but may be slightly different depending on whether the dehumidifying unit 100 is mounted.
  • the dehumidifying unit 100 when the dehumidifying unit 100 is not mounted, the air flows in the direction of the front opening of the drum 20 -> the heat exchanger 70 -> the inlet 21 -> the drum 20 -> the front opening. As it moves, the dehumidified air is discharged. When the dehumidification unit 100 is mounted, air is directed to the inlet port 121 -> heat exchanger 70 -> inlet 21 -> drum 20 -> outlet port 122 of the dehumidification unit 100 moved and discharged.
  • the controller 400 controls the driving motor 31 to rotate the drum 20 .
  • the humid air introduced from the outside undergoes a stirring action to be mixed with the dry air inside. Accordingly, the moisture remaining inside the drum 20 can be evaporated faster than when the drum 20 does not rotate.
  • the temperature inside the drum 20 rises, so that moisture inside the drum 20 can be evaporated at a relatively high speed.
  • the air that has passed through the heat exchanger 70 will be concentrated on one of the surfaces of the drum 20 through the inlet 21 , but as the drum 20 rotates, the air It can be evenly distributed on all surfaces of the drum 20 .
  • the control unit 400 controls the driving motor 31 so that the rotation speed of the drum 20 rotates according to a predetermined speed.
  • the predetermined speed may be determined based on the rotation speed of the drum 20 in the drying mode.
  • the controller 400 may control the driving motor 31 to rotate in the dehumidification mode at a second rotation speed lower than the first rotation speed in the drying mode in the drum 20 .
  • the temperature inside the drum 20 may increase as the drum 20 rotates faster.
  • the controller 400 may control the temperature inside the drum 20 to maintain a relatively low value so that the temperature outside the dryer 1 does not deviate from room temperature as much as possible.
  • the dryer 1 may reduce noise due to drum rotation compared to that in the drying mode.
  • the controller 400 may control the driving motor 31 to rotate in the dehumidification mode at a second rotation speed higher than the first rotation speed in the drying mode in the drum 20 .
  • the dryer 1 allows the air inside the drum 20 to be discharged relatively quickly.
  • the rotation of the drum 20 is performed until the dehumidification mode ends, and from when the user selects the dehumidification mode and starts, it proceeds for a predetermined time.
  • the predetermined time has elapsed (704)
  • the dehumidification mode is terminated with the drum 20 stopped.
  • FIG. 8 is a flowchart of a method for controlling a dryer according to another exemplary embodiment.
  • the control unit 400 receives the dehumidification mode (701).
  • the input unit 17 receives a user's input for performing the dehumidification mode, and transmits a control signal for the dehumidification mode to the controller 400 . 4 and 7 of the fan 80 in relation to the air flow in the dehumidification mode.
  • the control unit 400 controls the driving motor 31 at a second rotation speed that is smaller than the first rotation speed that is the rotation speed of the drum in the drying mode ( 802 ).
  • the temperature inside the drum 20 may increase as the drum 20 rotates faster.
  • the controller 400 may control the temperature inside the drum 20 to maintain a relatively low value so that the temperature outside the dryer 1 does not deviate from room temperature as much as possible.
  • the dryer 1 may reduce noise due to drum rotation compared to that in the drying mode.
  • the controller 400 controls the compressor 73 to adjust the temperature inside the drum 20 during the dehumidification mode through the rotation of the drum 20 .
  • the controller 400 may control the compressor to adjust the second temperature to a second temperature lower than the first temperature, which is the internal temperature of the drum 20 in the drying mode ( 803 ).
  • the internal temperature of the dryer 1 is higher than the temperature of the indoor space, and this temperature difference may cause the air inside the dryer 1 to condense to generate water vapor.
  • the dryer 1 according to the present embodiment may perform additional compressor control for lowering the temperature inside the drum 2 during the dehumidification mode.
  • the controller 400 may control the compressor 73 based on the difference between the internal temperature of the drum 20 and the room temperature to adjust the internal temperature of the drum 20 .
  • the controller 400 may control the compressor 73 to reduce the difference.
  • the controller 400 may control the operating frequency of the compressor motor driving the compressor 73 to adjust the heat generated by the compressor 73 .
  • the controller 400 may control the compressor 73 to adjust the second temperature higher than the first temperature, which is the internal temperature of the drum 20 in the drying mode.
  • the temperature inside the drum 20 can be relatively high by controlling the operating frequency of the compressor 73 to be greater than that in the drying mode. For example, when the external humidity of the dryer 1 is higher than usual, the temperature inside the drum 20 may be increased to increase the dehumidification efficiency of the drum 20 .
  • the rotation of the drum 20 is performed until the dehumidification mode ends, and from when the user selects the dehumidification mode and starts, it proceeds for a predetermined time.
  • the predetermined time elapses ( 704 )
  • the control unit 400 may control the dryer 1 not to perform the dehumidification mode when an object to be dried is present in the drum 20 .
  • the control unit 400 does not generate a control signal for driving the fan 80 . If the to-be-dried object exists in the drum 20, moisture contained in the external air may permeate into the to-be-dried object. In addition, if moisture evaporated from the object to be dried is re-supplied to the outside, dehumidification may be inefficient. Accordingly, when the current flowing through the driving motor 31 exceeds a predetermined current level (current applied when there is nothing in the drum), the control unit 400 may suspend the dehumidification mode.
  • the disclosed embodiments may be implemented in the form of a recording medium storing instructions executable by a computer. Instructions may be stored in the form of program code, and when executed by a processor, may create a program module to perform the operations of the disclosed embodiments.
  • the recording medium may be implemented as a computer-readable recording medium.
  • the computer-readable recording medium includes any type of recording medium in which instructions readable by the computer are stored. For example, there may be read only memory (ROM), random access memory (RAM), magnetic tape, magnetic disk, flash memory, optical data storage, and the like.
  • ROM read only memory
  • RAM random access memory
  • magnetic tape magnetic tape
  • magnetic disk magnetic disk
  • flash memory optical data storage, and the like.

Landscapes

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

Abstract

L'invention divulgue, selon un aspect, un sèche-linge qui comprend : un corps principal ; un tambour disposé à l'intérieur du corps principal afin de recevoir des objets à sécher ; un moteur d'entraînement pour faire tourner le tambour ; une unité d'entrée qui reçoit un mode de séchage ou un mode de déshumidification en provenance d'un utilisateur ; un échangeur de chaleur disposé à l'intérieur du corps principal ; et une unité de commande qui commande le moteur d'entraînement de telle sorte que le tambour tourne à une première vitesse de rotation lorsque le mode de séchage est entré, et qui commande le moteur d'entraînement de telle sorte que le tambour tourne à une seconde vitesse de rotation, différente de la première vitesse de rotation, lorsque le mode de déshumidification est entré.
PCT/KR2021/013405 2020-11-20 2021-09-29 Sèche-linge et son procédé de commande WO2022108100A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP21894872.7A EP4206393A4 (fr) 2020-11-20 2021-09-29 Sèche-linge et son procédé de commande
CN202180072596.4A CN116368273A (zh) 2020-11-20 2021-09-29 干衣机及其控制方法
US18/142,233 US20230265601A1 (en) 2020-11-20 2023-05-02 Dryer and method for controlling same

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20200156580 2020-11-20
KR10-2020-0156580 2020-11-20
KR1020210065120A KR20220069788A (ko) 2020-11-20 2021-05-20 건조기 및 그 제어 방법
KR10-2021-0065120 2021-05-20

Related Child Applications (1)

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US18/142,233 Continuation US20230265601A1 (en) 2020-11-20 2023-05-02 Dryer and method for controlling same

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WO2022108100A1 true WO2022108100A1 (fr) 2022-05-27

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EP (1) EP4206393A4 (fr)
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US11891749B2 (en) * 2020-11-23 2024-02-06 Whirlpool Corporation Under-cabinet seal to prevent exhaust recirculation for a condensing appliance

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KR20130005724A (ko) * 2011-07-07 2013-01-16 위니아만도 주식회사 제습 겸용 의류 건조기
KR20180084545A (ko) * 2017-01-17 2018-07-25 엘지전자 주식회사 의류처리기기 및 의류처리기기의 제어방법
KR20190127440A (ko) * 2018-05-04 2019-11-13 엘지전자 주식회사 의류처리장치 및 그의 제어방법
KR20190127421A (ko) * 2018-05-04 2019-11-13 엘지전자 주식회사 의류 처리 장치 및 이의 제어방법

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JP2007068870A (ja) * 2005-09-09 2007-03-22 Matsushita Electric Ind Co Ltd 衣類乾燥機
JP2007319458A (ja) * 2006-06-01 2007-12-13 Matsushita Electric Ind Co Ltd 洗濯乾燥機
JP2008104625A (ja) * 2006-10-25 2008-05-08 Matsushita Electric Ind Co Ltd 衣類乾燥機
CH711885B1 (de) * 2017-04-06 2021-05-14 V Zug Ag Trockner, insbesondere Trommeltrockner mit Raumlufttrocknungsfunktion.

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JP2002066197A (ja) * 2000-08-30 2002-03-05 Tokyo Gas Co Ltd 換気機能付衣類乾燥機
KR20130005724A (ko) * 2011-07-07 2013-01-16 위니아만도 주식회사 제습 겸용 의류 건조기
KR20180084545A (ko) * 2017-01-17 2018-07-25 엘지전자 주식회사 의류처리기기 및 의류처리기기의 제어방법
KR20190127440A (ko) * 2018-05-04 2019-11-13 엘지전자 주식회사 의류처리장치 및 그의 제어방법
KR20190127421A (ko) * 2018-05-04 2019-11-13 엘지전자 주식회사 의류 처리 장치 및 이의 제어방법

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Also Published As

Publication number Publication date
EP4206393A4 (fr) 2024-03-06
EP4206393A1 (fr) 2023-07-05
US20230265601A1 (en) 2023-08-24
CN116368273A (zh) 2023-06-30

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