WO2018097530A2 - Procédé de commande d'appareil à sécher le linge et appareil à sécher le linge - Google Patents

Procédé de commande d'appareil à sécher le linge et appareil à sécher le linge Download PDF

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Publication number
WO2018097530A2
WO2018097530A2 PCT/KR2017/012811 KR2017012811W WO2018097530A2 WO 2018097530 A2 WO2018097530 A2 WO 2018097530A2 KR 2017012811 W KR2017012811 W KR 2017012811W WO 2018097530 A2 WO2018097530 A2 WO 2018097530A2
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WIPO (PCT)
Prior art keywords
air
temperature
refrigerant
compressor
drum
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/KR2017/012811
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English (en)
Korean (ko)
Other versions
WO2018097530A3 (fr
Inventor
홍진우
유상오
손영인
조성준
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of WO2018097530A2 publication Critical patent/WO2018097530A2/fr
Publication of WO2018097530A3 publication Critical patent/WO2018097530A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • 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
    • 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 
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/28—Air properties
    • D06F2103/32—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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/50—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to heat pumps, e.g. pressure or flow rate
    • 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

Definitions

  • the present invention relates to a clothes drying apparatus for drying laundry by circulating air, and more particularly, to a clothes drying apparatus for drying laundry using a heat pump system and a control method for controlling the same.
  • the clothes drying apparatus is a device for drying a laundry by accommodating the laundry in a state where washing and dehydration is completed in a laundry container such as a drum, and then supplying hot air to the laundry container to evaporate the moisture of the laundry.
  • an electric heater or a heat pump system may be used to heat the air supplied to the drum.
  • Heat pump systems include compressors, condensers, expansion devices, and evaporators to produce hot air.
  • the clothing drying apparatus includes an air circulation system for supplying air, which has been heated by heat exchange with a condenser, to a drum containing laundry to be dried.
  • the clothes drying apparatus using the heat pump system is affected by the performance and reliability depending on the condition of the air to heat exchange with the heat pump system.
  • the temperature of the air supplied to the heat pump system is too low, freezing may occur in the evaporator, or liquid refrigerant may enter the compressor, causing damage to the compressor.
  • the present invention has been made in view of the above problems, and by controlling the heat pump system and the air circulation system according to the temperature of the internal air, a control method and a control method of the clothes drying apparatus that can improve the reliability and drying ability It relates to a clothing drying apparatus comprising a.
  • control method of the clothes drying apparatus for heating the air supplied to the drum using a heat pump system comprising a compressor, a condenser and an evaporator, Measuring an initial temperature of air near the outlet; Determining whether an initial temperature of the air is higher than a reference air temperature; Operating an air circulation fan when the initial temperature of the air is higher than the reference air temperature; And operating the compressor.
  • control method of the clothing drying apparatus the step of operating the compressor when the initial temperature of the air is lower than the reference air temperature; Determining whether a temperature of the discharged refrigerant discharged from the compressor is higher than a reference refrigerant temperature; And operating the air circulation fan when the discharge refrigerant temperature is higher than the reference refrigerant temperature.
  • the reference air temperature may be determined as a temperature at which the exhaust air does not damage the heat pump system.
  • the reference refrigerant temperature may be determined as a temperature capable of heating the air passing through the condenser of the heat pump system above the reference air temperature.
  • a control method of a clothes drying apparatus including a compressor, a condenser, and an evaporator, and a heat pump system for heating the air supplied to the drum and an external air regulator for sucking and discharging the external air, Measuring an initial temperature of air near an outlet of the drum; Determining whether an initial temperature of the air is lower than a reference air temperature; Operating an air circulation fan when the initial temperature of the air is lower than the reference air temperature; And operating the compressor.
  • control method of the clothing drying apparatus includes the step of operating the air circulation fan when the initial temperature of the air is higher than the reference air temperature; Operating external air regulator to suck external air into the clothes drying apparatus; Operating the compressor; Determining whether a temperature of the discharged refrigerant discharged from the compressor is higher than a reference refrigerant temperature; And turning off the external air regulator when the temperature of the discharged refrigerant is higher than the reference refrigerant temperature.
  • the reference refrigerant temperature may be determined as a temperature at which the air passing through the condenser of the heat pump system may be heated above the reference air temperature.
  • the reference air temperature may be determined as a temperature at which the temperature of the outside air can heat the air inside the drum.
  • control method of the clothing drying apparatus may include determining whether the initial temperature of the air is lower than the reference air temperature.
  • the method may further include determining whether the initial temperature of the air is higher than the lower limit air temperature.
  • control method of the clothing drying apparatus includes the steps of operating the compressor when the initial temperature of the air is lower than the lower limit air temperature; Determining whether a temperature of the discharged refrigerant discharged from the compressor is higher than a lower limit refrigerant temperature; And operating the air circulation fan when the discharge refrigerant temperature is higher than the lower limit refrigerant temperature.
  • Clothing drying apparatus the main body; A drum rotatably installed in the main body and configured to accommodate a drying object; An air circulation system including an air circulation fan circulating air of the drum; A heat pump system including a compressor, a condenser, and an evaporator, which heats air circulated by the air circulation system; An air temperature sensor installed adjacent to the outlet of the drum and measuring a temperature of air; A refrigerant temperature sensor installed adjacent to the discharge port of the compressor and measuring a temperature of the refrigerant discharged from the compressor; And a controller controlling an air circulation fan of the air circulation system and a compressor of the heat pump system by using the temperature of the air measured by the air temperature sensor and the temperature of the refrigerant measured by the refrigerant temperature sensor. The controller determines whether the temperature of the air measured by the air temperature sensor is higher than a reference air temperature, and when the temperature of the air is higher than the reference air temperature, the controller operates the air circulation fan, and then the The compressor can be operated.
  • the clothing drying apparatus may further include an external air regulator for sucking and discharging the outside air of the air circulation system.
  • FIG. 1 is a perspective view showing a clothes drying apparatus according to an embodiment of the present invention
  • FIG. 2 is a perspective view showing a heat pump system used in the clothes drying apparatus of FIG.
  • FIG. 3 is a conceptual view illustrating a heat pump system and an air circulation system of a clothes drying apparatus according to an embodiment of the present invention
  • FIG. 4 is a functional block diagram of the clothes drying apparatus of FIG.
  • FIG. 5 is a view showing another arrangement of the air circulation fan in the clothes drying apparatus according to an embodiment of the present invention.
  • Figure 6 is a flow chart for explaining a control method of the clothing drying apparatus according to an embodiment of the present invention.
  • FIG. 7 is a conceptual diagram illustrating a heat pump system and an air circulation system of a clothes drying apparatus according to another embodiment of the present invention.
  • FIG. 8 is a functional block diagram of the clothes drying apparatus of FIG.
  • FIG. 9 is a flowchart illustrating a control method of the clothes drying apparatus according to another embodiment of the present invention.
  • FIG. 10 is a flowchart illustrating a control method of the clothes drying apparatus according to another embodiment of the present invention.
  • FIG. 1 is a perspective view showing a clothes drying apparatus according to an embodiment of the present invention.
  • Figure 2 is a perspective view showing a heat pump system used in the clothes drying apparatus of FIG. 3 is a conceptual diagram illustrating a heat pump system and an air circulation system of a clothes drying apparatus according to an embodiment of the present invention, and
  • FIG. 4 is a functional block diagram of the clothes drying apparatus of FIG. 3.
  • the clothes drying apparatus shown in FIGS. 1 to 4 takes a dryer as an example, but the present invention is not limited thereto.
  • the present invention can be applied to a washing machine having a drying function together with a washing function.
  • the clothing drying apparatus 1 is the main body 10, the drum 20, the heat pump system 30, the air circulation system 40, and the controller 50 may be included.
  • the main body 10 forms the appearance of the clothes drying apparatus 1, and is formed in a substantially rectangular parallelepiped shape.
  • the front part 11 of the main body 10 may be provided with a display unit 15 and an input unit 16 for controlling the clothes drying apparatus 1.
  • the input unit 15 may be implemented in the form of a rotary switch as shown in FIG. 1 as an example. Therefore, when the user rotates the rotary switch 16, it is possible to input a control command associated with the operation of the clothes drying apparatus (1).
  • the input unit 16 is not limited to the above-described rotary switch, and may be implemented by various input means such as a button for inputting a control command, a touch screen, and the like.
  • the display unit 15 is provided to display an operation state of the clothes drying apparatus 1 and a user's operation.
  • the display unit 15 may be a variety of displays such as a liquid crystal display (LCD), a light emitting diode (LED), a plasma display panel (PDP), an organic light emitting diode (OLED), a cathode ray tube (CRT), and the like. Can be implemented.
  • the display unit 15 is not limited thereto, and may include any device that can visually display information about the clothes drying apparatus 1.
  • an opening (not shown) formed in a substantially circular shape is provided in the front surface 11 of the main body 10, and the opening is opened and closed by a door 13 rotatably installed with respect to the front surface 11 of the main body 10. do.
  • the drum 20 accommodates the object to be dried and is rotatably installed inside the main body 10.
  • the drum 20 is formed in a hollow cylindrical shape, one end of the drum 20 is in communication with the opening of the main body 10 described above. Therefore, when the door 13 provided in the main body 10 is opened, the object to be dried can be put into or removed from the inside of the drum 20.
  • the object to be dried refers to various kinds of fibers, fabrics, etc., such as laundry, in particular, clothing, towels, and the like, and is not particularly limited.
  • the drum 20 is provided to be rotated by a drum drive source such as a motor.
  • the heat pump system 30 is for heating air circulating inside the main body 10 by the air circulation system 40 to be described later, and is implemented as a refrigerant circuit.
  • the heat pump system 30 may be installed inside the main body 10.
  • the heat pump system 30 may be installed under the drum 10.
  • the heat pump system 30 may include a compressor 31, a condenser 32, an expansion device 33, and an evaporator 34.
  • the compressor 31 compresses the refrigerant, and the compressed refrigerant discharged from the compressor 31 is supplied to the condenser 32 through the first pipe 35 connecting the compressor 31 and the condenser 32.
  • the condenser 32 heats the air by exchanging heat with the air circulated by the air circulation system 40. Therefore, the refrigerant that has released heat from the condenser 32 is supplied to the expansion device 33 through the second pipe 36 connecting the condenser 32 and the expansion device 33.
  • the refrigerant expanded in the expansion device 33 is supplied to the evaporator 34 through a third pipe 37 connecting the expansion device 33 and the evaporator 34.
  • the refrigerant is discharged from the drum 20 to absorb heat from the air passing through the evaporator 34. Thereafter, the refrigerant absorbed by the evaporator 34 is supplied to the compressor 31 through the fourth pipe 38 connecting the evaporator 34 and the compressor 31.
  • the refrigerant compressed by the compressor 31 into the gas of high temperature and high pressure is again supplied to the condenser 32 through the first pipe 35.
  • the refrigerant circulates in the heat pump system 30.
  • the first pipe 35, the second pipe 36, the third pipe 37, and the fourth pipe 38 through which the refrigerant flows in the heat pump system 30 are indicated by dotted lines. .
  • a refrigerant temperature sensor 51 may be installed at the discharge side of the compressor 31 to measure the temperature of the refrigerant discharged from the compressor 31.
  • the refrigerant temperature sensor 51 may be installed in the first pipe 35 connecting the compressor 31 and the condenser 32.
  • the coolant temperature sensor 51 is installed inside the first pipe 35 to directly measure the temperature of the coolant flowing through the first pipe 35, or is installed on the outer surface of the first pipe 35 and indirectly. It may be provided to measure the temperature of the refrigerant flowing through the one pipe (35).
  • the refrigerant temperature sensor 51 measures the temperature of the refrigerant discharged from the compressor 31 and outputs information on the measured temperature of the refrigerant to the controller 50. Then, the controller 50 may recognize the temperature of the refrigerant discharged from the compressor 31.
  • Such a heat pump system 30 may be provided as one heat pump unit as shown in FIG. That is, the compressor 31, the condenser 32, the expansion device 33, and the evaporator 34 are installed in one base 39, so that the compressor 31, the condenser 32, the expansion device 33, And the evaporator 34 may be configured as one unit. Therefore, the heat pump system 30 formed of one unit is convenient to install or detach from the main body 10.
  • the air circulation system 40 is provided to circulate air between the drum 20 and the heat pump system 30, and includes an air circulation fan 41 and a heat pump system generating a blowing force for circulating air. 30) and the ducts 43 and 45 connecting the drum 20 may be included.
  • the air circulation fan 41 includes a fan motor 42 for generating a rotational force. Therefore, when the fan motor 42 is rotated by the controller 50, the air circulation fan 41 is rotated to forcibly circulate the air in the drum 20.
  • the air circulation fan 41 and the fan motor 42 may be provided integrally with the heat pump system 30 composed of one unit as shown in FIG. 2.
  • the evaporator 34 and the condenser 32 is provided with a heat exchange duct 47 so as to exchange heat with the refrigerant during the passage of air.
  • the outlet of the heat exchange duct 47 is connected to the air circulation fan 41, and the inlet 47a is connected to the outlet duct 43 connecting the drum 20 and the heat exchange duct 47.
  • the ducts 43, 45, and 47 connect the drum 20 and the heat pump system 30 to form a passage through which air is circulated, and guide the air discharged from the drum 20 to the heat pump system 30.
  • the discharge duct 43, the inlet duct 45 through which air discharged from the heat pump system 30 flows into the drum 20, is connected to the exhaust duct 43, and exchanges heat with the refrigerant of the heat pump system 30.
  • This may include a heat exchange duct 47 is generated.
  • the ducts 43, 45 and 47 are indicated by solid arrows.
  • the discharge duct 43 is provided inside the main body 10 and guides the air discharged from the discharge port 21a of the drum 20 to the heat pump system 30. Therefore, one end of the discharge duct 43 is connected to the outlet 20a of the drum 20, and the other end is connected to the inlet 47a of the heat exchange duct 47.
  • the inlet duct 45 is provided inside the main body 10 and guides the air heated in the heat pump system 30 to the drum 20.
  • One end of the inlet duct 45 is connected to the inlet 20b of the drum 20, and the other end thereof is connected to the outlet end 41b of the air circulation fan 41.
  • the heat exchange duct 47 is provided integrally with the heat pump system 30, and the air passing through the heat exchange duct 47 passes through the evaporator 34 and the condenser 32, and is formed to exchange heat.
  • the inlet 47a of the heat exchange duct 47 is connected to the discharge duct 43. Accordingly, the air discharged from the drum 20 and flowing through the heat exchange duct 47 passes through the evaporator 34, and heat exchanges with the refrigerant of the evaporator 34 to condense and remove moisture contained in the air.
  • the air from which moisture is removed while passing through the evaporator 34 absorbs heat from the refrigerant in the condenser 32 and is heated with hot air while passing through the condenser 32.
  • the suction end of the air circulation fan 41 is connected to the outlet of the heat exchange duct 47.
  • the air circulation fan 41 is provided to blow the heated air passing through the heat exchange duct 47 toward the drum 20.
  • the air heated by the condenser 32 of the heat pump system 30 is drawn into the drum 20 through the inlet duct 45 by the air circulation fan 41.
  • the air circulation fan 41 is installed downstream of the heat pump system 30 with respect to the air circulation direction (solid arrow direction). However, the air circulation fan 41 may be installed upstream of the heat pump system 30 as shown in FIG. 5.
  • FIG. 5 is a view showing another arrangement of the air circulation fan in the clothes drying apparatus according to an embodiment of the present invention.
  • the air circulation fan 41 when the air circulation fan 41 is installed upstream of the heat pump system 30 based on the air circulation direction (solid arrow direction), the air discharged from the drum 20 is an air circulation fan. After passing through 41, it is heated in the condenser 32 of the heat pump system 30. Air heated in the condenser 32 is supplied to the inlet 22 of the drum 20 through the inlet duct 45.
  • an air temperature sensor 52 for measuring a temperature of air discharged from the drum 20 may be installed near the outlet 21 of the drum 20.
  • the air temperature sensor 52 may be installed adjacent to the outlet 21 in the drum 20.
  • the air temperature sensor 52 may be installed at a portion connected to the outlet 21 of the drum 20 in the discharge duct 43.
  • the air temperature sensor 52 measures the temperature of the air passing through the outlet 21 or the discharge duct 43 of the drum 20 and outputs information on the measured temperature of the air to the controller 50. Then, the controller 50 may recognize the temperature of the air discharged from the drum 20 from the information of the air temperature sensor 52.
  • the controller 50 controls the clothes drying apparatus 1 to perform drying of the object to be dried. Specifically, the controller 50 controls the drum 20, the compressor 31, and the air circulation fan 41 according to a user's command input through the input unit 16 to dry the drying object accommodated in the drum 20. Let's do it. At this time, the controller 50 controls the air circulation system 40 based on the temperature of the air of the drum 20, and controls the heat pump system 30 based on the temperature of the refrigerant discharged from the compressor 31. Can be.
  • the controller 50 uses the air temperature measured by the air temperature sensor 52 and the coolant temperature measured by the coolant temperature sensor 51 and the air circulation fan 41 of the air circulation system 40.
  • the compressor 31 of the heat pump system 30 may be controlled to perform a drying operation. Specifically, when the initial temperature of the air measured by the air temperature sensor 52 is higher than the reference air temperature, the controller 50 may operate the air circulation fan 41 and then operate the compressor 31. That is, the controller 50 measures the air temperature inside the drum 20 after operating the clothes drying apparatus 1 and before operating the heat pump system 30 and the air circulation system 40.
  • the clothing drying apparatus 1 may be controlled to allow air circulation only when the temperature is higher than the reference air temperature.
  • the controller 50 performs a drying operation using the temperature of the air and the temperature of the refrigerant measured by the air temperature sensor 52 and the refrigerant temperature sensor 51. It will be described in detail.
  • FIG. 6 is a flowchart illustrating a control method of the clothes drying apparatus according to an embodiment of the present invention.
  • the control method of the clothing drying apparatus may include a step (S610) of measuring the initial temperature (Ti) of the air.
  • the initial temperature Ti of air refers to the temperature of the air measured by the air temperature sensor 51 installed adjacent to the outlet 21 of the drum 20 when starting a drying operation. That is, the initial temperature Ti of the air refers to the temperature of the air inside the drum 20 before the air is heated by the heat pump system 30.
  • the controller 50 compares the initial temperature Ti of the air with the reference air temperature Ta. Specifically, it is determined whether the initial temperature Ti of the air is higher than the reference air temperature Ta (S620).
  • the reference air temperature Ta may be determined as a temperature at which the air discharged from the drum 20 may not damage the heat pump system 30.
  • the temperature of the air that exchanges heat with the condenser 31 of the heat pump system 30 is low, since it takes a long time to raise the temperature of the air, the drying performance is reduced.
  • freezing may occur in the evaporator 34 or the refrigerant introduced into the compressor 31 may maintain a liquid state.
  • the reference air temperature Ta may be determined to a temperature such that the liquid refrigerant is not introduced into the compressor 31 of the heat pump system 30.
  • the controller 50 When the initial temperature Ti of the air is higher than the reference air temperature Ta, the controller 50 operates the air circulation fan 41 (S630). Subsequently, the controller 50 operates the compressor 31 (S640).
  • the clothing drying apparatus 1 performs the drying operation of the object to be dried in the normal drying mode (S680).
  • the controller 50 rotates the drum 20 by controlling a drum drive source for rotating the drum 20.
  • the drying state of the object to be dried is determined by the drying sensor 53 installed in the drum 20.
  • the controller 50 determines that drying of the object to be dried is completed through the drying sensor 53, the controller 50 stops the rotation of the drum 20 and stops the operation of the heat pump system 30 and the air circulation system 40. .
  • the controller 50 If the initial temperature Ti of the air is lower than the reference air temperature Ta, the controller 50 operates the compressor 31 in a state in which the air circulation fan 41 is not operated and the OFF state is maintained. (S650).
  • the controller 50 determines whether the temperature Tmd of the discharged refrigerant discharged from the compressor 31 is higher than the reference refrigerant temperature Td1 (S660). At this time, the controller 50 determines the temperature Tmd of the discharged refrigerant through the information transmitted from the refrigerant temperature sensor 51 installed adjacent to the discharge port 31a of the compressor 31.
  • the controller 50 When the temperature Tmd of the refrigerant discharged from the compressor 31 is lower than the reference refrigerant temperature Td1, the controller 50 operates only the compressor 31 while discharging the air circulation fan 41 while keeping the off state. The temperature Tmd of the refrigerant is increased. At this time, since the air circulation fan 41 does not operate, the air inside the drum 20 does not circulate, and only the refrigerant of the heat pump system 30 is circulated to increase the temperature Tmd of the discharged refrigerant.
  • the controller 50 After a predetermined time has elapsed, when the temperature Tmd of the discharged refrigerant discharged from the compressor 31 is higher than the reference refrigerant temperature Td1, the controller 50 operates the air circulation fan 41 (S670). At this time, the refrigerant temperature sensor 51 measures the temperature (Tmd) of the refrigerant discharged from the compressor 31 at a predetermined time interval and transmits it to the controller 50, so that the controller 50 is based on the temperature Tmd of the discharged refrigerant. It can be seen that the temperature is higher than the refrigerant temperature Td1.
  • the reference refrigerant temperature Td1 may be determined as a temperature at which the air passing through the condenser 32 of the heat pump system 30 may be heated above the reference air temperature Ta described above.
  • the clothing drying apparatus 1 dries the object to be dried in the general drying mode described above (S680).
  • the clothes drying apparatus 1 may be configured to use the outside air.
  • the outside air that is, the outside temperature of the place where the clothes drying apparatus 1 is installed
  • the outside air is high temperature, it is possible to perform the drying of the object to be dried using the outside air.
  • FIG. 7 is a conceptual view illustrating a heat pump system and an air circulation system of a clothes drying apparatus according to another embodiment of the present invention
  • FIG. 8 is a functional block diagram of the clothes drying apparatus of FIG.
  • the clothing drying apparatus 1 ′ includes a main body 10, a drum 20, a heat pump system 30, an air circulation system 40 ′, And a controller 50 '.
  • the main body 10 forms the appearance of the clothes drying apparatus 1 ', and is formed in a substantially rectangular parallelepiped shape.
  • the front part 11 of the main body 10 may be provided with a display unit 15 and an input unit 16 for controlling the clothes drying apparatus 1 ′ (see FIG. 1).
  • the front face 11 of the main body 10 is provided with an opening formed in a substantially circular shape, and the opening is opened and closed by a door 13 rotatably installed with respect to the main body 10 (see FIG. 1).
  • the main body 10 is provided with an external air inlet through which external air is introduced and an external air outlet through which air is discharged to the outside.
  • Each of the external air inlet and the external air outlet is provided with an external air suction device 61 and an external air discharge device 62 of the external air regulator 60 which will be described later.
  • the drum 20 accommodates the object to be dried and is rotatably installed inside the main body 10.
  • the drum 20 is formed in a hollow cylindrical shape, one end of the drum 20 is in communication with the opening of the main body 10 described above. Therefore, when the door 13 provided in the opening is opened, the object to be dried can be put or removed in the drum 20.
  • the drum 20 is provided to be rotatable by a drive source such as a motor.
  • the heat pump system 30 is for heating the air supplied to the drum 20 by the air circulation system 40 ', and is implemented as a refrigerant circuit. Since the heat pump system 30 is the same as the heat pump system 30 of the clothes drying apparatus 1 according to the above-described embodiment, a detailed description thereof will be omitted.
  • the air circulation system 40 ′ is provided to circulate air between the drum 20 and the heat pump system 30.
  • the air circulation fan 41, the heat pump system 30, and the drum circulate air.
  • the air circulation fan 41 includes a fan motor 42 for generating a rotational force. Therefore, when the fan motor 42 rotates, the air circulation fan 41 rotates to forcibly circulate the air inside the drum 20. That is, when the air circulation fan 41 rotates, air is circulated between the drum 20 and the heat pump system 30.
  • the air circulation fan 41 and the fan motor 42 may be provided integrally with the heat pump system 30 formed as one unit as shown in FIG. 2.
  • the evaporator 34 and the condenser 32 is provided with a heat exchange duct 47 so as to exchange heat with the refrigerant during the passage of air.
  • the outlet of the heat exchange duct 47 is connected to the inlet of the air circulation fan 41, and the inlet 47a is connected to the outlet duct 43 connecting the drum 20 and the heat exchange duct 47.
  • the ducts 43, 45, and 47 connect the drum 20 and the heat pump system 30 to form a passage through which air is circulated, and the discharge duct 43 through which the air discharged from the drum 20 flows.
  • a heat exchange duct 47 connected to an inlet duct 45 through which air discharged from the pump system 30 and drawn into the drum 20 flows, a discharge duct 43, and generates heat exchange with a refrigerant of the heat pump system 30. It includes.
  • the discharge duct 43 is provided inside the main body 10 and guides the air discharged from the discharge port 21 of the drum 20 to the heat pump system 30. One end of the discharge duct 43 is connected to the outlet 21 of the drum 20, and the other end is connected to the inlet 47a of the heat exchange duct 47.
  • the discharge duct 43 may further include an external discharge duct 63 for discharging a part of the air discharged from the drum 20 to the outside of the clothes drying apparatus 1.
  • the outer discharge duct 63 is formed in a shape branched from the discharge duct 43.
  • the inlet duct 45 is provided inside the main body 10 and guides the air heated in the heat pump system 30 to the drum 20. One end of the inlet duct 45 is connected to the inlet 22 of the drum 20, and the other end is connected to the outlet 41b of the air circulation fan 41.
  • the inlet duct 45 may further include an outer inlet duct 65 capable of sucking outside air therein.
  • the outer inlet duct 65 is formed in a shape diverging from the inlet duct 45.
  • the heat exchange duct 47 is provided integrally with the heat pump system 30, and the air passing therethrough is sequentially formed to exchange heat with the evaporator 34 and the condenser 31.
  • the inlet 47a of the heat exchange duct 47 is connected to the discharge duct 43. Accordingly, the air discharged from the drum 20 and flowing through the heat exchange duct 47 passes through the evaporator 34, and heat exchanges with the refrigerant of the evaporator 34 to condense and remove moisture contained in the air.
  • the air from which moisture is removed while passing through the evaporator 34 absorbs heat from the refrigerant in the condenser 32 and is heated with hot air while passing through the condenser 32.
  • An air circulation fan 41 is provided at the outlet of the heat exchange duct 47.
  • the external air regulator 60 sucks the outside air of the main body 10 of the clothes drying apparatus 1 ′ into the inside of the main body 10 under the control of the controller 50, and draws the air inside the main body 10 to the outside. It is configured to be discharged.
  • the external air regulator 60 is installed on one side of the main body 10 and installed on the other side of the main air 10 and the external air suction device 61 for sucking outside air. It may include an external air discharge device 62 for discharging the air to the outside.
  • the external air suction device 61 and the external air discharge device 62 may be implemented as a damper.
  • the external air suction device 61 and the external air discharge device 62 may be installed at any place of the main body 10. That is, the external air suction device 61 and the external air discharge device 62 may be installed at any one of an upper surface, a lower surface, a front surface, a rear surface, and left and right sides of the main body 10.
  • the external air intake device 61 may be installed at one side of the main body 10 and connected to the inlet duct 45 through the external inlet duct 65. Therefore, the outside air may be introduced into the inlet duct 45 through the external air intake device 61 installed at one end of the outer inlet duct 65.
  • the external air discharge device 61 may be installed on the opposite side of the main body 10 and connected to the discharge duct 43 through the external discharge duct 63. Therefore, a part of the air discharged from the drum 20 through the discharge duct 43 may be discharged to the outside of the main body 10 through the external discharge duct 64 and the external air discharge device 62.
  • the air introduced through the external air suction device 61 is configured to be introduced into the drum 20 through the inlet duct 45, but as another example, although not shown, the outside
  • the air intake device 61 may be installed to supply external air directly to the drum 20.
  • the air circulation fan 41 is provided to blow air discharged through the discharge duct 43 toward the drum 20 via the heat pump system 30. Therefore, when the air circulation fan 41 rotates while the external air regulator 60 is turned off, all air discharged from the drum 20 moves to the heat exchange duct 47 through the discharge duct 43, Air heated by the condenser 32 while passing through the duct 47 is introduced into the drum 20 through the inlet duct 45 after passing through the air circulation fan 41.
  • the external air regulator 60 when the external air regulator 60 is turned on to operate the external air intake device 61 and the external air discharge device 62, when the air circulation fan 41 operates, the external air is the external air intake device ( 61 and the external inlet duct 65 are introduced into the inlet duct 45 and supplied to the drum 20 together with the air passing through the heat pump system 30.
  • the air discharged from the drum 20 moves through the discharge duct 43, and some air is discharged to the outside of the main body 10 through the external discharge duct 63 and the external air discharge device 61. . That is, when the air circulation fan 41 is operated while the external air regulator 60 is on, external air is supplied to the drum 20 together with the internal air, and the air discharged from the drum 20. The part is discharged to the outside through the external air discharge device 62 and the remaining air is supplied to the heat pump system 30 is heated.
  • an air temperature sensor 52 for measuring a temperature of air discharged from the drum 20 may be installed near the outlet 21 of the drum 20.
  • the air temperature sensor 52 may be installed adjacent to the outlet 21 in the drum 20.
  • the air temperature sensor 52 may be installed at a portion connected to the outlet 21 of the drum 20 in the discharge duct 43.
  • the air temperature sensor 51 measures the temperature of the air passing through the outlet 21 or the discharge duct 43 of the drum 20 and outputs information on the measured temperature of the air to the controller 50. Then, the controller 50 may recognize the temperature of the air discharged from the drum 20.
  • the controller 50 ' controls the clothes drying apparatus 1' to perform drying of the object to be dried. Specifically, the controller 50 ′ controls the drum 20 by controlling the drum 20, the compressor 31, the air circulation fan 41, and the external air regulator 60 according to a user's command input through the input unit 16. The object to be dried contained in 20) is dried. At this time, the controller 50 ′ controls the air circulation system 40 ′ and the external air regulator 60 based on the initial temperature Ti of the air inside the drum 20, and the refrigerant discharged from the compressor 31. The heat pump system 30 may be controlled based on the temperature Tmd.
  • the controller 50 ' may use the air temperature Ti measured by the air temperature sensor 52 and the coolant temperature Tmd measured by the coolant temperature sensor 51 to control the air circulation system 40.
  • the drying operation may be performed by controlling the air circulation fan 41, the external air regulator 60, and the compressor 31 of the heat pump system 30.
  • the controller 50 ' when the initial temperature Tmd of the air measured by the air temperature sensor 52 is higher than the lower limit air temperature Ta, the controller 50 'operates the air circulation fan 41, and then the compressor 31 ) Can be activated. That is, the controller 50 'starts the operation of the clothes drying apparatus 1' and before operating the heat pump system 30 and the air circulation system 40 ', the air temperature Ti inside the drum 20 is adjusted. It is possible to control the clothes drying apparatus 1 ′ to measure air circulation only when the air temperature Ti is higher than the lower limit air temperature Ta.
  • the controller 50 ' may include an air circulation fan 41, an external air regulator 60, and The compressor 31 can be operated sequentially. That is, the controller 50 'starts the operation of the clothes drying apparatus 1' and before the operation of the heat pump system 30 and the air circulation system 40 ', the air temperature of the outlet 21 of the drum 20. (Ti) and when the air temperature Ti is higher than the upper limit air temperature Tb, the external air regulator 60 is operated to allow the external air to be sucked into the main body 10 to circulate. 1 ') can be controlled.
  • the controller 50 When the temperature outside the clothes drying apparatus 1 'is high, that is, the temperature outside is high enough to dry the object to be accommodated in the drum 20 and raise the temperature of the air inside the drum 20.
  • the controller 50 When the temperature outside the clothes drying apparatus 1 'is high, that is, the temperature outside is high enough to dry the object to be accommodated in the drum 20 and raise the temperature of the air inside the drum 20.
  • the controller 50 operates the external air regulator 60 to supply external air to the drum 20.
  • the temperature of the circulating air can be quickly increased, so that the drying performance of the clothes drying apparatus 1 ′ can be improved.
  • FIG. 9 is a flowchart illustrating a control method of the clothes drying apparatus according to another embodiment of the present invention.
  • the control method of the clothing drying apparatus may include measuring an initial temperature Ti of air (S910).
  • the initial temperature Ti of air refers to the temperature of the air measured by the air temperature sensor 52 installed adjacent to the outlet 21 of the drum 20 when starting a drying operation. That is, the initial temperature Ti of the air refers to the temperature of the air inside the drum 20 before the air is heated by the heat pump system 30.
  • the controller 50 compares the initial temperature Ti of air with the reference air temperature Tb.
  • the controller 50 ′ determines whether the initial temperature Ti of the air is higher than the reference air temperature Tb (S920).
  • the reference air temperature Tb may be determined as a temperature at which the sucked external air may heat the air inside the drum 20 and may help to dry the drying object.
  • the reference air temperature Tb is a reference for determining whether external air can be used for drying, and thus, the reference air temperature Tb may be referred to as the reference upper limit air temperature.
  • the controller 50 When the initial temperature Ti of air is lower than the reference air temperature Tb, the controller 50 'operates the air circulation fan 41 (S930). Subsequently, the controller 50 'operates the compressor 31 (S940).
  • the clothing drying apparatus 1 ′ performs a drying operation of the object to be dried in the general drying mode described above (S995).
  • the controller 50 when the initial temperature Ti of air is higher than the reference air temperature Tb, the controller 50 'operates the air circulation fan 41 (S950), and then operates the external air regulator 60. (S960). Then, the external air suction device 61 and the external air discharge device 62 are operated. Subsequently, the controller 50 'operates the compressor 31 (S970).
  • the controller 50 ′ determines whether the temperature Tmd of the discharged refrigerant discharged from the compressor 31 is higher than the reference refrigerant temperature Td2 (S980). At this time, the controller 50 ′ determines the temperature Tmd of the discharged refrigerant based on information transmitted from the refrigerant temperature sensor 51 installed adjacent to the discharge port 31a of the compressor 31.
  • the reference refrigerant temperature Td2 may be determined as the temperature of the discharge refrigerant that may cause the temperature of the air heated in the condenser 31 of the heat pump system 30 to be higher than the temperature of the external air.
  • the reference refrigerant temperature Tmd serves as a reference for determining whether or not the external air needs to be used for drying, it may be referred to as a reference upper limit refrigerant temperature.
  • the controller 50 ′ keeps the external air regulator 60 on and the air circulation fan 41 and the compressor.
  • the operation 31 is continued to cause the temperature Tmd of the discharged refrigerant to rise.
  • the external air regulator 60 since the external air regulator 60 is turned on, the air outside the clothes dryer 1 'is sucked into the body 10 and circulated, so the temperature of the air circulated with the heat pump system 30. Can be raised.
  • the controller 50 After a predetermined time has elapsed, when the temperature Tmd of the discharged refrigerant discharged from the compressor 31 is higher than the reference refrigerant temperature Td2, the controller 50 'turns off the external air regulator 60 (S990). Then, the outside air is prevented from being sucked through the external air suction device 61, and the air discharged from the drum 20 through the external air discharge device 62 is blocked from being discharged to the outside.
  • the clothing drying apparatus 1 ′ dries the object to be dried in the above-described general drying mode (S995).
  • the control method of the clothes drying apparatus 1 ' that can be used where the installation place is high temperature has been described.
  • the above-described clothes drying apparatus 1' can be used in both the low temperature place and the high temperature place. It is also possible to control the clothes drying apparatus 1 '.
  • FIG. 10 a control method of increasing the drying performance of the clothes drying apparatus illustrated in FIGS. 7 and 8 in both a low temperature place and a high temperature place will be described.
  • FIG. 10 is a flowchart illustrating a control method of the clothes drying apparatus according to another embodiment of the present invention.
  • the control method of the clothing drying apparatus may include measuring an initial temperature of air (S1010).
  • the initial temperature Ti of air refers to the temperature of the air measured by the air temperature sensor 52 installed adjacent to the outlet 21 of the drum 20 when starting a drying operation. That is, the initial temperature Ti of the air refers to the temperature of the air inside the drum 20 before the air is heated by the heat pump system 30.
  • the controller 50 compares the initial temperature Ti of air with the reference air temperature Ta. Specifically, the controller 50 ′ determines whether the initial temperature Ti of the air is higher than the lower limit air temperature Ta and lower than the upper limit air temperature Tb (S1020). That is, the controller 50 'determines whether the initial temperature Ti of the air is a temperature between the lower limit air temperature Ta and the upper limit air temperature Tb.
  • the lower limit air temperature Ta may be determined as a temperature at which the air discharged from the drum 20 may not damage the heat pump system 30.
  • the lower limit air temperature Ta serves as a criterion for determining whether to circulate the air inside the main body 10.
  • the upper limit air temperature Tb may be determined to a temperature such that the sucked external air can heat the air inside the drum 20 and help the drying of the drying object.
  • the upper limit air temperature Tb at this time is a criterion for determining whether external air can be used for drying. Therefore, the upper limit air temperature Tb is set higher than the lower limit air temperature Ta.
  • the controller 50 When the initial temperature Ti of air is higher than the lower limit air temperature Ta and lower than the upper limit air temperature Tb, that is, Ta ⁇ Ti ⁇ Tb, the controller 50 'operates the air circulation fan 41. In operation S1030, the compressor 31 is operated (S1040).
  • the clothing drying apparatus 1 ′ performs the drying operation of the object to be dried in the general drying mode described above (S1050).
  • the controller 50 when the initial temperature Ti of air is lower than the lower limit air temperature Ta, that is, when Ti ⁇ Ta, the controller 50 'maintains the off state without operating the air circulation fan 41. In operation S1110 the compressor (31).
  • the controller 50 ′ determines whether the temperature Tmd of the discharged refrigerant discharged from the compressor 31 is higher than the lower limit refrigerant temperature Td1 (S1120). At this time, the controller 50 ′ determines the temperature Tmd of the discharged refrigerant based on information transmitted from the refrigerant temperature sensor 51 installed adjacent to the discharge port 31a of the compressor 31.
  • the controller 50 When the temperature Tmd of the refrigerant discharged from the compressor 31 is lower than the lower limit refrigerant temperature Td1, the controller 50 'operates only the compressor 31 so that the temperature Tmd of the discharged refrigerant is raised. At this time, since the air circulation fan 31 does not operate, the air inside the drum 20 does not circulate, and only the refrigerant of the heat pump system 30 is circulated to increase the temperature Tmd of the discharged refrigerant.
  • the controller 50 After a predetermined time has elapsed, when the temperature Tmd of the discharged refrigerant discharged from the compressor 31 is higher than the lower limit refrigerant temperature Td1, the controller 50 'operates the air circulation fan 31 (S1130). At this time, since the refrigerant temperature sensor 51 measures the temperature of the refrigerant at predetermined time intervals and transmits the temperature to the controller 50 ', the controller 50' indicates that the temperature Tmd of the discharged refrigerant is higher than the lower limit refrigerant temperature Td1. Able to know.
  • the lower limit refrigerant temperature Td1 may be determined as a temperature at which the air passing through the condenser 31 of the heat pump system 30 may be heated above the lower limit air temperature Ta described above.
  • the lower limit refrigerant temperature Ta serves as a criterion for determining whether to operate the air circulation fan 41.
  • the clothing drying apparatus 1 ′ dries the object to be dried in the general drying mode described above (S1050).
  • the controller 50 when the initial temperature Ti of the air is higher than the upper limit air temperature Tb, that is, when Ti> Tb, the controller 50 'operates the air circulation fan 41 (S1210) and then the external air. Operate the regulator 60 (S1220). Then, the external air suction device 61 and the external air discharge device 62 are operated to suck external air into the main body 10. Subsequently, the controller 50 'operates the compressor 31 (S1230).
  • the controller 50 ′ determines whether the temperature Tmd of the discharged refrigerant discharged from the compressor 31 is higher than the upper limit refrigerant temperature Td2 (S1240). At this time, the controller 50 ′ determines the temperature Tmd of the discharged refrigerant based on information transmitted from the refrigerant temperature sensor 51 installed adjacent to the discharge port 31a of the compressor 31.
  • the upper limit refrigerant temperature Td2 may be determined as the temperature of the discharge refrigerant such that the temperature of the air heated by the condenser 32 of the heat pump system 30 is higher than the temperature of the external air.
  • the upper limit refrigerant temperature (Td2) at this time is a criterion for determining whether the external air does not need to be used for drying. Therefore, the upper limit refrigerant temperature Td2 is set higher than the lower limit refrigerant temperature Td1 described above.
  • the controller 50 ′ keeps the external air regulator 60 on and the air circulation fan 41 and the compressor 31. Operation is continued to increase the temperature Tmd of the discharged refrigerant. At this time, since the external air regulator 60 is turned on, the air outside the clothes dryer 1 'is sucked into the body 10 and circulated, so the temperature of the air circulated with the heat pump system 30. Can be raised.
  • the controller 50 After a certain time has elapsed, when the temperature Tmd of the discharged refrigerant discharged from the compressor 31 is higher than the upper limit refrigerant temperature Td2, the controller 50 'turns off the external air regulator 60 (S1250). Then, the outside air is blocked from being sucked through the external air suction device 61, and the air discharged from the drum 20 through the external air discharge device 62 is blocked from being discharged to the outside of the main body 10. .
  • the clothing drying apparatus 1 ′ dries the object to be dried in the general drying mode described above (S1050).
  • the clothes drying apparatus and the control method thereof according to an embodiment of the present invention, when the internal air of the clothes drying apparatus is too low, only the heat pump system is operated without first operating the air circulation fan. Heating the air prevents damage to the heat pump system, which can occur when cold air is circulated by the air circulation fan.
  • the clothes drying apparatus and control method thereof according to an embodiment of the present invention, when the temperature of the outside air of the clothes drying apparatus is sufficiently high, heating of the inside air circulated using the outside air and drying of the object to be dried As it can help, there is an advantage in that drying performance can be increased and power consumption can be reduced.

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

Abstract

La présente invention concerne un procédé de commande d'un appareil à sécher le linge. Un procédé de commande d'un appareil à sécher le linge qui chauffe de l'air alimentant un tambour à l'aide d'un système de pompe à chaleur comprenant un compresseur, un condenseur et un évaporateur, comprend les étapes consistant à : mesurer une température initiale de l'air à proximité d'une sortie du tambour ; déterminer si la température initiale de l'air est supérieure à une température d'air de référence ; mettre en marche un ventilateur de circulation d'air lorsque la température initiale de l'air est supérieure à la température d'air de référence ; et mettre en marche le compresseur.
PCT/KR2017/012811 2016-11-22 2017-11-13 Procédé de commande d'appareil à sécher le linge et appareil à sécher le linge Ceased WO2018097530A2 (fr)

Applications Claiming Priority (2)

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KR1020160155789A KR102631604B1 (ko) 2016-11-22 2016-11-22 의류건조장치의 제어방법 및 의류건조장치
KR10-2016-0155789 2016-11-22

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CN113718500A (zh) * 2020-05-25 2021-11-30 合肥海尔滚筒洗衣机有限公司 热泵式干衣设备的控制方法
CN116411449A (zh) * 2021-12-31 2023-07-11 广东美的白色家电技术创新中心有限公司 干衣机控制方法、装置、干衣机及介质

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KR102432108B1 (ko) 2017-10-26 2022-08-16 삼성전자주식회사 건조 기기 및 이를 제어하는 방법
KR102681563B1 (ko) 2018-09-12 2024-07-05 삼성전자주식회사 의류관리장치 및 이의 제어 방법
KR102913150B1 (ko) * 2021-04-13 2026-01-16 삼성전자주식회사 신발 관리기 및 그 제어 방법
KR20220163193A (ko) 2021-06-02 2022-12-09 삼성전자주식회사 신발 관리기 및 그 제어 방법

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JP4889545B2 (ja) * 2007-03-30 2012-03-07 三洋電機株式会社 乾燥装置及びこの装置を備えた洗濯乾燥機
KR100823325B1 (ko) * 2007-12-24 2008-04-17 주식회사 대일냉각기 유기용제 회수기 일체형 의류건조기
KR101150949B1 (ko) * 2009-10-21 2012-05-29 위니아만도 주식회사 히트펌프식 건조기 및 그 제어방법
JP2014094202A (ja) * 2012-11-12 2014-05-22 Panasonic Corp 洗濯乾燥機
EP2733254A1 (fr) * 2012-11-16 2014-05-21 Electrolux Home Products Corporation N.V. Appareil de traitement de linge de pompe à chaleur et procédé de fonctionnement d'un appareil de traitement de linge de pompe à chaleur
JP2016104111A (ja) * 2014-11-19 2016-06-09 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． 乾燥機

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Publication number Priority date Publication date Assignee Title
CN113718500A (zh) * 2020-05-25 2021-11-30 合肥海尔滚筒洗衣机有限公司 热泵式干衣设备的控制方法
CN113718500B (zh) * 2020-05-25 2024-07-16 合肥海尔滚筒洗衣机有限公司 热泵式干衣设备的控制方法
CN116411449A (zh) * 2021-12-31 2023-07-11 广东美的白色家电技术创新中心有限公司 干衣机控制方法、装置、干衣机及介质

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KR102631604B1 (ko) 2024-02-01
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