WO2023234105A1 - Dispositif de traitement de vêtements, procédé de détermination de défaillance et programme - Google Patents

Dispositif de traitement de vêtements, procédé de détermination de défaillance et programme Download PDF

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Publication number
WO2023234105A1
WO2023234105A1 PCT/JP2023/018975 JP2023018975W WO2023234105A1 WO 2023234105 A1 WO2023234105 A1 WO 2023234105A1 JP 2023018975 W JP2023018975 W JP 2023018975W WO 2023234105 A1 WO2023234105 A1 WO 2023234105A1
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WO
WIPO (PCT)
Prior art keywords
refrigerant
failure
section
tank
refrigerant circuit
Prior art date
Application number
PCT/JP2023/018975
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English (en)
Japanese (ja)
Inventor
信治 武田
和義 森谷
真佐男 野仲
Original Assignee
パナソニックＩｐマネジメント株式会社
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.)
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Application filed by パナソニックＩｐマネジメント株式会社 filed Critical パナソニックＩｐマネジメント株式会社
Publication of WO2023234105A1 publication Critical patent/WO2023234105A1/fr

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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
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/50—Control of washer-dryers characterised by the purpose or target of the control
    • D06F33/74—Responding to irregular working conditions, e.g. malfunctioning of 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
    • 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
    • D06F58/50—Responding to irregular working conditions, e.g. malfunctioning of blowers

Definitions

  • the present disclosure relates to a clothing processing device, a failure determination method, and a program.
  • clothing processing devices for example, washer/dryers
  • heat pump devices refrigerant circuits
  • Patent Document 1 refrigerant leakage is diagnosed by performing a test run with the operating frequency of the compressor, the rotation speed of the fan, and the opening degree of the expansion valve fixed at predetermined values and the wind direction plate fixed at a predetermined angle.
  • a device is disclosed.
  • An object of the present disclosure is to provide a clothing processing device, a failure determination method, and a program that can accurately determine the type of failure.
  • the clothing processing device includes: A tank into which clothes can be put, a refrigerant circuit section in which refrigerant circulates in the order of a compressor, a condenser, a pressure reducing section, and an evaporator; a circulation air passage section that circulates air between the tank and the refrigerant circuit section;
  • the air circulation process in the circulating air path section includes a first process for drying the clothes in the tank, and a second process that is a process when the clothes are not in the tank.
  • an instruction section capable of instructing execution of one
  • a failure determination unit that determines the type of failure based on temperature information of the refrigerant circuit unit when the second process is instructed; Equipped with.
  • the failure determination method is as follows: a tank into which clothes can be put; a refrigerant circuit section through which refrigerant circulates in the order of a compressor, a condenser, a decompression section, and an evaporator; and a circulating air path section through which air is circulated between the tank and the refrigerant circuit section.
  • a method for determining failure of a clothing processing device having the following steps: The air circulation process in the circulating air path section includes a first process for drying the clothes in the tank, and a second process that is a process when the clothes are not in the tank. instructing to execute the second process; When the second process is instructed, the type of failure is determined based on temperature information of the refrigerant circuit section.
  • the program related to this disclosure is a tank into which clothes can be put; a refrigerant circuit section through which refrigerant circulates in the order of a compressor, a condenser, a decompression section, and an evaporator; and a circulating air path section through which air is circulated between the tank and the refrigerant circuit section.
  • a program for a clothing processing device having: to the computer, The air circulation process in the circulating air path section includes a first process for drying the clothes in the tank, and a second process that is a process when the clothes are not in the tank. a process for instructing execution of the second process; When the second process is instructed, a process of determining the type of failure based on temperature information of the refrigerant circuit section; Execute.
  • the type of failure can be accurately determined.
  • FIG. 1 is a diagram illustrating a configuration example of a clothing processing device according to an embodiment of the present disclosure.
  • FIG. 2 is a block diagram showing a control system of the clothing processing device according to the present embodiment.
  • FIG. 2 is a diagram schematically showing an air circulation path section of the clothing processing apparatus according to the present embodiment. It is a figure showing an example of composition of a refrigerant circuit part.
  • FIG. 3 is a diagram showing a change in refrigerant temperature over time during normal operation.
  • FIG. 6 is a diagram showing a change in refrigerant temperature over time when refrigerant leakage occurs.
  • FIG. 6 is a diagram showing a change in refrigerant temperature over time when refrigerant clogging occurs.
  • 7 is a flowchart illustrating an operation example of failure determination control in a failure determination unit.
  • FIG. 1 is a diagram showing a clothing processing apparatus 1 according to an embodiment of the present disclosure.
  • FIG. 2 is a block diagram showing a control system of the clothing processing apparatus 1 according to the present embodiment.
  • the clothing processing device 1 is a device (for example, a washer/dryer) that has a function of determining the type of failure in the refrigerant circuit section 20 (heat pump device).
  • the clothing processing device 1 can determine the type of failure based on temperature information in the refrigerant circuit section 20.
  • a drum type is illustrated as the clothing processing apparatus 1, but devices other than the drum type may be used, such as a vertical type.
  • the clothing processing device 1 includes an outer tank 11, a tank 12, a circulation air path section 13, a blower section 14, an instruction section 15, a notification section 16, a weight detection section 17, a refrigerant circuit section 20, and a failure section. It has a determination section 30.
  • the outer tank 11 has a cylindrical shape and is provided inside the casing 1A of the clothing processing device 1. Inside the outer tank 11, a tank 12 is rotatably provided.
  • the tank 12 is configured in a cylindrical shape, and clothes can be placed therein.
  • the tank 12 is rotationally driven by a drive motor (not shown).
  • the circulating air path section 13 is a duct (air path) that circulates air between the tank 12 and the refrigerant circuit section 20.
  • the circulation air passage section 13 extends from the upper end of the tank 12 toward the rear of the tank 12, and then extends downward and is connected to the back of the tank 12.
  • the circulation air passage section 13 communicates with the tank 12 at the upper end and back of the tank 12. As shown in FIG. 3, the circulation air passage section 13 is arranged so that the air sucked from the upper end of the tank 12 by the blower section 14 returns to the back of the tank 12 via the refrigerant circuit section 20. It is configured. Note that, since damp clothes are put into the tank 12 for the purpose of drying, the air in the tank 12 is sucked from the upper end of the tank 12 while absorbing moisture from the clothes.
  • the air blower 14 is provided in the circulation air passage 13 and generates a flow of air from the upper end of the tank 12 back to the back of the tank 12 within the circulation air passage 13 (see the arrow in FIG. 3). ).
  • the instruction section 15 is, for example, a section through which the user gives operation instructions for the clothing processing apparatus 1.
  • the clothing processing device 1 is capable of performing a first process and a second process.
  • the first process is a drying process performed when drying the clothes in the tank 12.
  • the second process is a process when there is no clothing in the tank 12, and is a process in which the circulation process of at least the refrigerant circuit section 20 (compressor and decompression section described later) and the circulation air path section 13 is different from the first process. It is.
  • the process that is different from the first process is, for example, a process in which the operating load on the clothing processing apparatus 1 is relatively small, such as a process in which the air volume of the air blower 14 is smaller than in the first process.
  • the second process is performed, for example, when determining a failure of the clothing processing device 1.
  • the instruction unit 15 instructs the clothing processing device 1 to perform one of the air circulation processes in the circulation air path unit 13, including the first process and the second process, in response to a user's operation.
  • the instruction unit 15 may be capable of instructing processes other than the first process and the second process (for example, washing clothes, cleaning the inside of the tank 12, etc.).
  • the notification unit 16 is, for example, a display device, an audio output device, etc. of the clothing processing device 1, and notifies the user of information on the type of failure determined by the failure determination unit 30, which will be described later, and information on whether or not a failure determination is necessary. .
  • the weight detection unit 17 is a known sensor that detects the weight of clothing in the tank 12.
  • the weight detection unit 17 outputs information on the weight of the clothes in the tank 12 in the first process to the failure determination unit 30.
  • the refrigerant circuit section 20 is a heat pump device that converts the air passing through the circulation air path section 13 into dry, warm air and returns it into the tank 12. As shown in FIG. 4, the refrigerant circuit section 20 constitutes a circuit in which an evaporator 21, a compressor 22, a condenser 23, and a pressure reducing section 24 are sequentially connected to a refrigerant distribution pipe 25.
  • the refrigerant in the refrigerant distribution pipe 25 flows, thereby circulating the refrigerant in the order of the compressor 22, the condenser 23, the pressure reducing section 24, and the evaporator 21.
  • the refrigerant circuit section 20 is provided in the circulating air path section 13, and the air in the circulating air path section 13 passes through the evaporator 21 and the condenser 23 (see also FIG. 3), thereby exchanging heat. , the air becomes dry and warm.
  • the evaporator 21 is configured, for example, by arranging a plurality of heat transfer fins on the refrigerant distribution pipe 25, and is arranged at a position through which the air in the circulation air passage section 13 passes. As the air in the circulating air passage section 13 passes through the position of the evaporator 21, the heat of the air in the circulating air passage section 13 is absorbed by the evaporator 21. As a result, the air passing through the circulation air passage section 13 is cooled and dehumidified.
  • the compressor 22 is a compressor that compresses the refrigerant that has passed through the evaporator 21.
  • the condenser 23 is configured, for example, by arranging a plurality of heat transfer fins on a refrigerant distribution pipe 25, and is located at a position in the circulation air passage section 13 through which air passes after passing through the evaporator 21. It is located in The condenser 23 radiates the heat of the refrigerant discharged from the compressor 22. Thereby, the air that has been cooled and dehumidified by passing through the evaporator 21 is heated by passing through the condenser 23 . As a result, the air becomes dry, warm air and is returned to the tank 12.
  • the pressure reducing section 24 is, for example, a capillary tube for reducing the pressure of the refrigerant.
  • the pressure reducing unit 24 reduces the pressure of the refrigerant that has passed through the condenser 23 and flows into the evaporator 21 again.
  • Such operations of the evaporator 21, compressor 22, condenser 23, and pressure reducing section 24 are repeatedly performed during the operation of the refrigerant circuit section 20.
  • the refrigerant distribution pipe 25 is provided with a first temperature detection section 26 and a second temperature detection section 27.
  • the first temperature detection section 26 and the second temperature detection section 27 are known temperature sensors that detect the temperature of the refrigerant circuit section 20.
  • the first temperature detection unit 26 is provided at a position corresponding to the refrigerant distribution pipe 25 between the compressor 22 and the condenser 23, and detects the temperature of the refrigerant discharged from the compressor 22.
  • the second temperature detection section 27 is provided at a position corresponding to the refrigerant distribution pipe 25 between the condenser 23 and the pressure reduction section 24, and detects the temperature of the refrigerant discharged from the condenser 23.
  • the failure determination unit 30 is, for example, a control device that controls the operation of the clothing processing device 1, and includes a CPU 31, a ROM 32, a RAM 33, and an input/output circuit.
  • the failure determining unit 30 determines the type of failure of the clothing processing device 1 based on a preset program. Specifically, when the second process is instructed by the instruction unit 15, the failure determination unit 30 determines the type of failure in the clothing processing device 1 based on the temperature information of the refrigerant circuit unit 20.
  • Examples of the types of failures in the refrigerant circuit section 20 in the clothing processing apparatus 1 include refrigerant leakage. It has been confirmed that the temperature of the region between two elements in the refrigerant circuit section 20 increases as time passes during normal operation, for example, as shown in FIG. 5A.
  • L1 shown in FIG. 5A indicates a temperature change of the refrigerant discharged from the compressor 22, and is based on the detection result of the first temperature detection section 26.
  • L2 indicates a temperature change of the refrigerant discharged from the condenser 23, and is based on the detection result of the second temperature detection section 27.
  • the amount of change in temperature of L1 may be larger than that of L2, which is the temperature after being discharged from the condenser 23 and discharged from the compressor 22. Can be confirmed.
  • L11 shown in FIG. 5B indicates a temperature change of the refrigerant discharged from the compressor 22, and is based on the detection result of the first temperature detection section 26.
  • L21 indicates a temperature change of the refrigerant discharged from the condenser 23, and is based on the detection result of the second temperature detection section 27.
  • the failure determination unit 30 acquires the temperature information of the refrigerant discharged from the compressor 22 in the refrigerant circuit unit 20 during the operation period by the second process from the first temperature detection unit 26, and obtains the temperature information of the refrigerant.
  • the type of failure is determined based on the rate of change.
  • the failure determination unit 30 determines that the type of failure is a refrigerant leak when the rate of change of the refrigerant temperature information is less than the first threshold.
  • the first threshold value corresponds to a rate of change in temperature of the refrigerant discharged from the compressor 22 during normal operation, and can be set as appropriate based on experiments and the like.
  • the failure determination unit 30 determines from the second temperature detection unit 27 that the temperature of the refrigerant discharged from the condenser 23 in the refrigerant circuit unit 20 during the operation period by the second process is outside the predetermined temperature range. If so, it is determined that the type of failure is a refrigerant leak from the refrigerant circuit section 20.
  • the predetermined temperature range is, for example, the temperature range reached by the temperature discharged from the condenser 23 during a predetermined time during normal operation, and can be set as appropriate based on experiments and the like.
  • the types of failures in the refrigerant circuit section 20 in the clothing processing apparatus 1 include, for example, refrigerant clogging in the decompression section 24.
  • L12 shown in FIG. 5C indicates a temperature change of the refrigerant discharged from the compressor 22, and is based on the detection result of the first temperature detection unit 26.
  • L22 indicates the temperature change of the refrigerant discharged from the condenser 23, and is based on the detection result of the second temperature detection section 27.
  • the temperature of L12 shown in FIG. 5C increases as time passes, and the slope (rate of change) becomes significantly larger than L1 shown in FIG. 5A.
  • the failure determination unit 30 acquires the temperature information of the refrigerant discharged from the compressor 22 in the refrigerant circuit unit 20 during the operation period by the second process from the first temperature detection unit 26, and changes the temperature information. Based on the rate, determine the type of failure. If the rate of change in the temperature information exceeds the second threshold, the failure determining unit 30 determines that the type of failure is refrigerant clogging in the pressure reducing unit 24 .
  • refrigerant clogging in the depressurizing section 24 is caused by dust or the like in the refrigerant distribution pipe 25, but by continuing to operate the refrigerant circuit section 20, the refrigerant tries to flow in the refrigerant distribution pipe 25, so the refrigerant clogging occurs. may be temporarily resolved. In this case, since the rate of change of temperature information does not exceed the second threshold during the operation period due to the second process, it may not be possible to determine a failure due to refrigerant clogging, even though there is a high possibility that refrigerant clogging will occur. .
  • the failure determination unit 30 determines that the type of failure is depressurization. It may be determined that the refrigerant in the section 24 is clogged.
  • the history information is information indicating the number of times the rate of change in temperature between the compressor 22 and the condenser 23 exceeds the second threshold, and is stored in a storage device etc. provided in the clothing processing device 1. Also good.
  • the failure determination unit 30 determines whether the rate of change in temperature exceeds the second threshold. If the number of times of failure is equal to or greater than a predetermined number of times, it is determined that the type of failure is refrigerant clogging in the pressure reducing section 24.
  • the predetermined number of times may be set to an appropriate value, such as once or twice.
  • the type of failure is refrigerant clogging in the pressure reducing section 24 by referring to the history information.
  • the failure determination unit 30 determines that the type of failure is in the pressure reducing unit 24. It may be determined that the refrigerant is clogged.
  • the failure determination unit 30 may determine only whether there is a refrigerant leak in the second process, and determine that the type of failure is refrigerant clogging regardless of the result of the second process. .
  • the determination result of the failure determination unit 30 is notified to the user by the notification unit 16 described above.
  • the notification unit 16 notifies that a refrigerant leak has occurred if only a refrigerant leak has occurred, notifies that a refrigerant block has occurred if only a refrigerant block has occurred, and notifies that a refrigerant block has occurred if both a refrigerant leak and a refrigerant block have occurred. If this happens, you will be notified that both a refrigerant leak and a refrigerant blockage have occurred.
  • the notification method by the notification unit 16 may be to display text information etc. on the display device of the clothing processing device 1, to output audio information etc. using the audio output device of the clothing processing device 1, etc. Further, the notification unit 16 may notify a device other than the clothing processing device 1 (for example, a user's mobile terminal, a personal computer, a server device of a service center, etc.) via a communication network.
  • a device other than the clothing processing device 1 for example, a user's mobile terminal, a personal computer, a server device of a service center, etc.
  • failure determining section 30 may determine whether or not the determination by the failure determining section 30 is necessary.
  • the failure determination unit 30 corresponds to the “necessity determination unit” of the present disclosure.
  • the failure determination unit 30 makes the determination based on the rate of change of temperature information and the amount of clothing input during the operation period of the first process. Determine whether or not it is necessary.
  • the failure determination unit 30 acquires the rate of change of temperature information of the refrigerant circuit unit 20 from the first temperature detection unit 26, and acquires information on the amount of clothing input from the weight detection unit 17. .
  • the failure determination unit 30 refers to, for example, a table prepared in advance that shows the relationship between the rate of change of temperature information and the amount of clothing input, and determines the rate of change of temperature information corresponding to the acquired amount of input information. , and the rate of change of the temperature information acquired from the first temperature detection unit 26, and if the difference is a predetermined value (which can be set arbitrarily), it is determined that a determination by the failure determination unit 30 is necessary.
  • the notification unit 16 When the failure determining unit 30 determines that the determination by the failure determining unit 30 is necessary, the notification unit 16 notifies the user that the determination by the failure determining unit 30 is necessary. For example, the notification unit 16 notifies the user to perform the second process.
  • the user can quickly grasp the timing to operate the clothing processing device 1 in the second process.
  • FIG. 6 is a flowchart showing an example of the operation of failure determination control in the failure determination unit 30. The process in FIG. 6 is executed as appropriate, for example, when an instruction to execute the second process operation is received.
  • the failure determination unit 30 operates the clothing processing device 1 through the second process (step S101). Next, the failure determination unit 30 determines whether the temperature change rate of the first temperature detection unit 26 is less than the first threshold (step S102).
  • the failure determination unit 30 determines whether the temperature of the second temperature detection unit 27 is within a predetermined temperature range. (Step S103).
  • step S103 if the temperature is within the predetermined temperature range (step S103, YES), the process transitions to step S106. On the other hand, if the temperature is outside the predetermined temperature range (step S103, NO), the process transitions to step S104.
  • step S102 if the temperature change rate is less than the first threshold (step S102, YES), the failure determination unit 30 determines that the type of failure is a refrigerant leak (step S104). Then, the failure determination unit 30 notifies that the type of failure is a refrigerant leak (step S105).
  • the failure determination unit 30 determines whether the temperature change rate of the first temperature detection unit 26 exceeds the second threshold (step S106). As a result of the determination, if the temperature change rate does not exceed the second threshold (step S106, NO), this control ends.
  • step S106 determines that the type of failure is refrigerant clogging. Then, the failure determination unit 30 notifies that the type of failure is refrigerant clogging (step S108). After step S108, this control ends.
  • the type of failure of the clothing processing device 1 is determined based on the temperature information of the refrigerant circuit section 20. Specifically, the failure determination unit 30 determines whether the type of failure is in the refrigerant circuit based on the rate of change of temperature information of the refrigerant discharged from the compressor 22 or the range of temperature information of the refrigerant discharged from the condenser 23. It is determined that there is a refrigerant leak in the section 20. Further, the failure determining unit 30 determines that the type of failure is refrigerant clogging in the pressure reduction unit 24 of the refrigerant circuit unit 20 based on the rate of change in temperature information discharged from the compressor 22.
  • the type of failure in the clothing processing device 1 can be accurately determined.
  • the notification unit 16 notifies the determination result of the failure determination unit 30, the user can accurately and quickly understand the location of the failure. As a result, necessary parts can be easily prepared when repairing the clothing processing device 1.
  • the determination is made as follows. A second process can be performed based on the results. Therefore, the second process can be performed only when necessary.
  • refrigerant leak or refrigerant clogging is determined as the type of failure, but the present disclosure is not limited to this. For example, based on the temperature information of the refrigerant circuit section 20, it is determined whether there is a refrigerant leak or refrigerant clogging, and if there is no refrigerant leak or refrigerant clogging, other malfunction information is acquired and the malfunction is detected. You can also judge the type.
  • the failure determination section 30 has the function of a necessity determination section, but the present disclosure is not limited to this, and the necessity determination section is provided separately from the failure determination section. Also good.
  • the second process is a process in which at least the circulation process of the compressor 22, the pressure reducing part 24, and the circulation air passage part 13 is different from the first process, but the present disclosure is not limited to this.
  • the second process may be a process when there is no clothing in the tank, and may be the same process as the first process.
  • the second temperature detection section detects the temperature of the portion between the condenser and the pressure reduction section in the refrigerant distribution pipe, but the present disclosure is not limited thereto. It is also possible to detect the temperature of the region between the evaporator and the evaporator, or the temperature of the region between the evaporator and the compressor.
  • the clothing processing device of the present disclosure is useful as a clothing processing device, a failure determination method, and a program that can accurately determine the type of failure.

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

Abstract

La présente invention concerne un dispositif de traitement de vêtements qui comprend : un réservoir ; une unité de circuit de liquide de refroidissement ; une unité de passage d'air de circulation ; une unité d'indication qui est capable d'indiquer qu'un processus de circulation d'air dans l'unité de passage d'air de circulation doit être exécuté, comprenant un premier processus pour mettre en œuvre un processus destiné à sécher des vêtements à l'intérieur du réservoir et un second processus qui s'applique lorsqu'aucun vêtement n'est à l'intérieur du réservoir ; et une unité de détermination de défaillance qui détermine un type de défaillance sur la base d'informations de température concernant l'unité de circuit de liquide de refroidissement lorsque le second processus est indiqué.
PCT/JP2023/018975 2022-06-02 2023-05-22 Dispositif de traitement de vêtements, procédé de détermination de défaillance et programme WO2023234105A1 (fr)

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JP2022090207 2022-06-02

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001041611A (ja) * 1999-08-03 2001-02-16 Hitachi Ltd 空気調和機
JP2006078015A (ja) * 2004-09-07 2006-03-23 Sanyo Electric Co Ltd ヒートポンプ装置及び乾燥機
JP2007082588A (ja) * 2005-09-20 2007-04-05 Matsushita Electric Ind Co Ltd 衣類乾燥装置
JP2007236731A (ja) * 2006-03-10 2007-09-20 Matsushita Electric Ind Co Ltd 衣類乾燥装置
JP2007301130A (ja) * 2006-05-11 2007-11-22 Matsushita Electric Ind Co Ltd 衣類乾燥装置
JP2012095718A (ja) * 2010-10-29 2012-05-24 Toshiba Corp 衣類乾燥機
JP2021142089A (ja) * 2020-03-12 2021-09-24 パナソニックＩｐマネジメント株式会社 衣類乾燥機

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001041611A (ja) * 1999-08-03 2001-02-16 Hitachi Ltd 空気調和機
JP2006078015A (ja) * 2004-09-07 2006-03-23 Sanyo Electric Co Ltd ヒートポンプ装置及び乾燥機
JP2007082588A (ja) * 2005-09-20 2007-04-05 Matsushita Electric Ind Co Ltd 衣類乾燥装置
JP2007236731A (ja) * 2006-03-10 2007-09-20 Matsushita Electric Ind Co Ltd 衣類乾燥装置
JP2007301130A (ja) * 2006-05-11 2007-11-22 Matsushita Electric Ind Co Ltd 衣類乾燥装置
JP2012095718A (ja) * 2010-10-29 2012-05-24 Toshiba Corp 衣類乾燥機
JP2021142089A (ja) * 2020-03-12 2021-09-24 パナソニックＩｐマネジメント株式会社 衣類乾燥機

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