WO2018050012A1 - Procédé de commande d'un sèche-linge - Google Patents

Procédé de commande d'un sèche-linge Download PDF

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Publication number
WO2018050012A1
WO2018050012A1 PCT/CN2017/100706 CN2017100706W WO2018050012A1 WO 2018050012 A1 WO2018050012 A1 WO 2018050012A1 CN 2017100706 W CN2017100706 W CN 2017100706W WO 2018050012 A1 WO2018050012 A1 WO 2018050012A1
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WO
WIPO (PCT)
Prior art keywords
temperature
compressor
frequency
ambient temperature
dryer
Prior art date
Application number
PCT/CN2017/100706
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English (en)
Chinese (zh)
Inventor
许升
宋华诚
田书君
单世强
Original Assignee
青岛海尔滚筒洗衣机有限公司
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Application filed by 青岛海尔滚筒洗衣机有限公司 filed Critical 青岛海尔滚筒洗衣机有限公司
Publication of WO2018050012A1 publication Critical patent/WO2018050012A1/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
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/08—Humidity
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/58—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to condensation, e.g. condensate water level
    • 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
    • D06F2105/56—Remaining operation time; Remaining operational 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
    • 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
    • D06F58/48—Control of the energy consumption
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the present invention relates to the field of dry clothes, and more particularly to a dryer control method.
  • the inverter compressor After rising to the first frequency (ie, the target frequency) in the initial stage, reduces the frequency of the compressor according to the increase of the load of the compressor. However, if the ambient temperature is low, the compressor will run at the first frequency (target frequency). If it can be judged in advance that the compressor is in a low temperature environment and increase the first operating frequency (target frequency) of the compressor, Helps increase the temperature of the dryer and shorten the drying time. Conversely, in a high temperature environment, a slight decrease in the first frequency (target frequency) helps to save energy.
  • the patent application No. 201510014802.2 discloses a control method of a variable frequency heat pump dryer, which comprises at least two dry clothes modes: a first dry clothes mode and a second dry clothes mode, in the first dry clothes mode
  • the high frequency section of the compressor runs longer than the high frequency section of the inverter compressor in the second dryer mode.
  • the inverter compressor includes an up frequency phase, a frequency maintenance phase, a frequency reduction phase, a frequency reduction phase, and a compressor frequency setting.
  • the target frequency gradually decreases to the end of drying, and the first dry clothes mode is higher than the second dry mode by the set target frequency gradually decreasing stepwise.
  • the first dry-coating module in this patent solves the problem of quick-drying because of the high-frequency running time of the compressor.
  • the solution for shortening the drying time only by extending the high-frequency operation time of the compressor is relatively simple, and is susceptible to the ambient temperature. The effect of the drying time of the dryer will vary greatly depending on the ambient temperature.
  • the present invention has been made in view of the above.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a drying machine control method.
  • the high frequency operating frequency of the compressor is set, and the higher the ambient temperature, the higher the temperature is.
  • the lower the high frequency operating frequency of the fixed compressor the lower the influence of the ambient temperature on the drying time, the shorter the drying time of the clothes in the low temperature environment, and the energy saving in the high temperature environment.
  • a dryer control method the dryer is a heat pump dryer, the compressor is an inverter compressor, and the dryer control method comprises: determining an ambient temperature of the dryer, and setting compression according to the judgment result The target frequency of the machine, the higher the ambient temperature, the lower the target frequency of the set compressor.
  • the target frequency of the compressor is set by the ambient temperature, and the influence of the ambient temperature on the drying time and the drying efficiency is lowered.
  • the compressor is in the low temperature environment to improve the target frequency of the compressor. It helps to increase the temperature of the dryer and shorten the drying time.
  • the target frequency is slightly lowered, which helps to save energy.
  • variable frequency compressor comprises an up frequency phase, a frequency maintenance phase, and a frequency reduction phase;
  • the compressor operating frequency gradually rises from a low speed to a set target frequency, wherein the higher the ambient temperature, the lower the target frequency is;
  • the compressor frequency gradually decreases from the set target frequency according to the detected temperature.
  • the ambient temperature T is determined based on the detected compressor discharge temperature Td and the condenser outlet temperature Tc;
  • ⁇ T
  • is calculated, and the ambient temperature T is determined according to the magnitude of ⁇ T, preferably 26 °C ⁇ T1 ⁇ 32 °C.
  • the ambient temperature is determined by the compressor discharge temperature and the condenser outlet temperature, and the temperature sensor inside the dryer is used to judge the ambient temperature, thereby avoiding the need to detect the external ambient temperature, and the special connection is set.
  • the temperature sensor outside the dryer reduces the space occupied by the temperature detection module and simplifies the structure of the dryer
  • the ambient temperature is divided into multiple gears, and the ambient temperature of the different gear positions corresponds to different target frequencies, and the higher the gear position corresponding to the ambient temperature, the lower the set target frequency of the compressor.
  • the ambient temperature is divided into multiple gears, and the number of target frequencies is reduced.
  • the ambient temperature is divided into three gear positions.
  • the gear position corresponding to the ambient temperature is determined according to the detected compressor exhaust gas temperature Td and the condenser outlet temperature Tc, and the gear position corresponding to the ambient temperature is divided into a low temperature environment, a medium temperature environment, and a high temperature environment;
  • the target frequency of the compressor corresponding to the low temperature environment is K1
  • the target frequency of the compressor corresponding to the medium temperature environment is K2
  • the target frequency of the compressor corresponding to the high temperature environment is K3, K1>K2>K3, preferably, 68Hz ⁇ K1 ⁇ 72Hz , 58 Hz ⁇ K2 ⁇ 65 Hz, 50 Hz ⁇ K3 ⁇ 56 Hz.
  • the frequency reduction phase adopts segmentation control: the frequency of the inverter compressor is divided into multiple stages, and the detection temperature is also divided into multiple stages, and each stage of the frequency drop of the inverter compressor is respectively associated with the detection temperature, and the detection is performed.
  • the frequency of the inverter compressor decreases from the target frequency f to f1
  • the frequency of the inverter compressor decreases from f1 to f2
  • the cycle continues until the detected temperature rises to At T1m, the frequency of the inverter compressor drops from f(m-1) to fm until the end of the drying.
  • the detected temperature refers to the detected dryer inlet temperature, or the outlet temperature, or the compressor discharge temperature, or the evaporator temperature, or the condenser outlet temperature, or the condenser surface temperature, preferably The detected temperature is the detected condenser surface temperature.
  • the ambient temperature is directly detected by the ambient temperature sensor or indirectly by the temperature sensor of the compressor system.
  • the present invention has the following beneficial effects compared with the prior art:
  • the dryer is a heat pump dryer
  • the compressor is an inverter compressor
  • the dryer control method comprises: determining an ambient temperature at which the dryer is located, according to the judgment result, Set the target frequency of the compressor. The higher the ambient temperature, the lower the target frequency of the set compressor.
  • the compressor will increase in time at the first frequency (target frequency), and at higher ambient temperatures, because the first frequency (target frequency) is fixed. Values will waste power.
  • the dryer adopts the control method of the invention, when the ambient temperature is low, the compressor increases the first operating frequency (target frequency), thereby facilitating the temperature increase of the dryer and shortening the drying time.
  • slightly lowering the first frequency (target frequency) helps to save energy.
  • the judgment of the ambient temperature is directly judged by the ambient temperature sensor or indirectly by the temperature sensor of the compressor system.
  • the invention is preferably determined indirectly by the temperature sensor of the compressor system, for example, by using the compressor exhaust temperature and the condenser outlet temperature.
  • the ambient temperature is obtained, thereby avoiding the need to specifically connect the temperature sensor disposed outside the dryer because the external ambient temperature is to be detected, which simplifies the space occupied by the temperature detecting module and simplifies the structure of the dryer.
  • the compressor gradually decreases from the set target frequency to the end of drying according to the detected temperature, wherein the detected temperature refers to the detected dryer inlet temperature, or the outlet temperature, or the compressor discharge temperature. , or evaporator temperature, or condenser outlet temperature, or condenser surface temperature.
  • the detected temperature is the detected condenser surface temperature.
  • the ambient temperature is divided into multiple gears, and the ambient temperatures of different gears correspond to different target frequencies.
  • the ambient temperature is divided into three levels of a low temperature environment, a medium temperature environment, and a high temperature environment, and the ambient temperatures of the different gears respectively correspond to different compressor target frequencies, thereby setting a suitable target frequency for different ambient temperatures, thereby realizing quick drying. And the purpose of energy saving.
  • FIG. 1 is a flow chart showing the control method of the dryer of the present invention.
  • mounting and "connecting” are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral, unless otherwise explicitly stated and defined.
  • Ground connection it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium.
  • the specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
  • the invention provides a dryer control method, the dryer is a heat pump dryer, the compressor is an inverter compressor, and the existing inverter compressor is operated after rising to a first frequency (target frequency) in an initial stage.
  • the frequency of the compressor is reduced according to the increase in the load of the compressor. But if the ambient temperature is low and the compressor is running at the first frequency (target frequency) There will be an increase. If the compressor is judged to be in a low temperature environment in advance and the target frequency of the compressor is increased, it will help the temperature of the dryer to increase and shorten the drying time. Conversely, in a high temperature environment, a slight decrease in the target frequency helps to save energy.
  • the present invention improves the control method of the existing clothes dryer, and obtains a drying clothes control method in which the drying time or efficiency is less affected by the ambient temperature: determining the ambient temperature at which the clothes dryer is located, according to the judgment result, Set the target frequency of the compressor. The higher the ambient temperature, the lower the target frequency of the set compressor.
  • the inverter compressor includes an up-conversion phase, a frequency-holding phase, and a frequency-down phase, wherein in the up-conversion phase, after the compressor is started, the compressor operating frequency gradually rises from a low speed to a low speed Set the target frequency (ie the highest operating frequency) instead of directly operating at the highest operating frequency.
  • the rise of the compressor is divided into multiple stages. After rising to each frequency stage, it runs for 0.5 to 3 minutes and then rises to another.
  • the maximum speed is not directly raised here: in order to prevent the oil inside the compressor from suddenly rising in the frequency, the amount of oil returning from the heat exchanger to the compressor is less than the amount of oil discharged, resulting in poor lubrication.
  • the compressor frequency is gradually decreased from the set target frequency to the end of drying according to the detected temperature.
  • the target frequency is slightly lowered, which helps to save energy.
  • the determination of the ambient temperature can be directly judged by the ambient temperature sensor or indirectly by the temperature sensor of the compressor system.
  • the embodiment provides a method for indirectly determining the ambient temperature through a temperature sensor of the compressor system.
  • the temperature sensor includes two, respectively disposed on the compressor and the condenser, and separately collects the compressor exhaust temperature Td.
  • the ambient temperature T is determined by collecting the condenser outlet temperature Tc.
  • the ambient temperature is divided into multiple gears in the present invention, and the ambient temperature of different gear positions corresponds to different target frequencies.
  • the corresponding gear position is divided into three gears of low temperature environment, medium temperature environment and high temperature environment, and the gear position corresponding to the ambient temperature is determined according to the detected compressor discharge temperature Td and the condenser outlet temperature Tc.
  • the specific judgment method is as follows:
  • the target frequency of the compressor corresponding to the low temperature environment is K1
  • the target frequency of the compressor corresponding to the medium temperature environment is K2
  • the target frequency of the compressor corresponding to the high temperature environment is K3, K1>K2>K3, preferably, 68Hz ⁇ K1 ⁇ 72Hz, 58 Hz ⁇ K2 ⁇ 65 Hz, 50 Hz ⁇ K3 ⁇ 56 Hz.
  • the present invention indirectly determines the ambient temperature by the temperature sensor of the compressor system, which is not affected by the temperature change caused by the drying operation of the dryer, the result of the detection is reliable, and because the dryer is utilized
  • the internal temperature sensor judges the ambient temperature and avoids the temperature sensor that is externally connected to the dryer because it detects the external ambient temperature, which simplifies the space occupied by the temperature detection module and simplifies the dryer. structure.
  • the correspondence between the ambient temperature gear detected in the present invention and the optimal target frequency of the compressor is as follows:
  • the present invention is not limited to determining the ambient temperature range by using the compressor discharge temperature Td and the condenser outlet temperature Tc.
  • the ambient temperature range can also be determined directly by the ambient temperature sensor, such as external temperature on the dryer.
  • the sensor directly determines the ambient temperature with the ambient temperature sensor.
  • the external temperature sensor needs to be away from the high temperature or low temperature zone of the dryer, but is set to the same temperature in the outside environment. The position allows the external temperature sensor to detect the ambient temperature rather than the dryer internal temperature.
  • the inverter compressor includes three stages of an up-conversion phase, a frequency-holding phase, and a down-conversion phase. After the inverter compressor is started, the compressor operating frequency gradually rises from a low speed to a set target frequency, wherein the higher the ambient temperature is, the lower the target frequency is. In the down frequency phase, the compressor frequency is set according to the detected temperature. The target frequency gradually drops to the end of drying.
  • the inverter compressor operating current value and the condenser surface temperature reflecting the condensing temperature and/or the compressor exhaust temperature value reflecting the internal temperature of the compressor are monitored, if the above current value and the above When the temperature is within the limit value, the frequency of the inverter compressor is maintained. If one of the above temperature and current values reaches the limit, the frequency is maintained, and the compressor frequency does not rise even if it does not rise to the target frequency.
  • the compressor frequency is slightly reduced, for example, the frequency is reduced by 2 Hz, thereby ensuring the safe operation of the dryer.
  • the compressor frequency is adjusted and maintained by monitoring the inverter compressor operating current value and the inverter compressor exhaust temperature value.
  • the compressor When the compressor reaches the set target frequency or reaches the maximum frequency required by the limit, it enters the frequency hold phase and operates with the set target frequency or the highest frequency required by the reached limit.
  • the compressor enters the frequency reduction stage, the frequency of the compressor is adjusted, and one or more temperature sensors are set according to the inlet temperature, the outlet temperature, the compressor, the evaporator, and the condenser. The temperature is adjusted according to time.
  • the detected temperature refers to the detected dryer inlet temperature, or the outlet temperature, or the compressor discharge temperature, or the evaporator temperature, or the condenser outlet temperature, or the condenser surface temperature, or any of the foregoing combination.
  • the detected temperature is the detected condenser surface temperature.
  • segmentation control is adopted: the frequency of the inverter compressor is divided into multiple stages, and the detection temperature is also divided into multiple stages, and each stage of the frequency drop of the inverter compressor is respectively associated with the detection temperature, and the detection is performed.
  • the frequency of the inverter compressor drops from the target frequency fnHz to f1 Hz
  • the frequency of the inverter compressor decreases from f1 Hz to f2 Hz, and thus the cycle is detected until the temperature is detected.
  • the frequency of the inverter compressor drops from f(m-1)Hz to fmHz until the drying is finished.
  • step S4 monitoring the compressor discharge temperature and the inverter compressor current is exceeded, yes, the inverter compressor frequency is reduced by 2 Hz, and proceeds to step S4, otherwise proceeds to step S5;
  • step S5 it is determined whether the detected temperature reaches T11 ° C, if yes, then proceeds to step S6, otherwise returns to step S4;
  • the inverter compressor frequency is fmHz until the drying is finished.
  • the inverter compressor frequency drops from the target speed of 60 Hz (fnHz) to 50 Hz (f1 Hz); when the condenser outlet temperature rises to 42 ° C (T12 ° C), the frequency conversion compression The frequency of the machine drops from 50Hz (f1Hz) to 40Hz (f2Hz); when the condenser outlet temperature rises to 47°C (T13°C), the frequency of the inverter compressor drops from 40Hz (f2Hz) to 30Hz (f3Hz); 30Hz (f3Hz) runs until the end of drying.
  • the drying machine control method provided by the invention adjusts the target frequency of the compressor according to the external temperature, and when the ambient temperature is low, the target frequency of the inverter compressor increases, thereby reducing the drying efficiency of the dryer under the low temperature environment and Dryer drying time, and when the ambient temperature is high, the target frequency of the inverter compressor is reduced, which saves energy during the drying process.

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

Abstract

L'invention concerne un procédé de commande d'un sèche-linge. Le sèche-linge est un sèche-linge à pompe à chaleur, et un compresseur est un compresseur à onduleur. Le procédé de commande d'un sèche-linge comprend les étapes suivantes : la détermination d'une température ambiante dans laquelle se situe un sèche-linge, et le réglage d'une fréquence cible d'un compresseur en fonction du résultat de la détermination, la fréquence cible réglée du compresseur diminuant à mesure que la température ambiante augmente. Au moyen du procédé de commande, les répercussions d'une température ambiante sur le temps de séchage des vêtements sont réduites, et le temps de séchage des vêtements dans un environnement à basse température est raccourci, ce qui permet d'aider à réduire la consommation d'énergie dans un environnement à haute température.
PCT/CN2017/100706 2016-09-19 2017-09-06 Procédé de commande d'un sèche-linge WO2018050012A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610831938.7A CN107841861B (zh) 2016-09-19 2016-09-19 一种干衣机控制方法
CN201610831938.7 2016-09-19

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WO2018050012A1 true WO2018050012A1 (fr) 2018-03-22

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Cited By (4)

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EP3495548A1 (fr) * 2017-11-20 2019-06-12 LG Electronics Inc. Procédé de commande de sèche-linge
CN112726163A (zh) * 2019-10-14 2021-04-30 青岛海尔滚筒洗衣机有限公司 一种干衣机的控制方法及干衣机
CN114182504A (zh) * 2021-11-30 2022-03-15 珠海格力电器股份有限公司 一种压缩机的散热控制方法及使用其的热泵衣物处理装置
WO2024060659A1 (fr) * 2022-09-23 2024-03-28 青岛海尔空调器有限总公司 Procédé et appareil de commande de climatiseur et climatiseur

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WO2019196872A1 (fr) * 2018-04-11 2019-10-17 青岛海尔滚筒洗衣机有限公司 Procédé de commande destiné à être utilisé dans un dispositif de traitement de linge et dispositif de traitement de linge
WO2019196875A1 (fr) * 2018-04-11 2019-10-17 青岛海尔滚筒洗衣机有限公司 Procédé de commande pour un dispositif de traitement de vêtements et dispositif de traitement de vêtements
CN109440418B (zh) * 2018-10-12 2020-06-05 珠海格力电器股份有限公司 一种热泵洗烘控制方法、系统及装置
CN111826912A (zh) * 2019-03-26 2020-10-27 青岛海尔滚筒洗衣机有限公司 一种干衣机的控制方法及干衣机
CN114687185B (zh) * 2020-12-28 2023-07-28 广东美的白色家电技术创新中心有限公司 压缩机频率调节方法、控制装置、热交换设备及电子设备
WO2022143147A1 (fr) * 2020-12-30 2022-07-07 广东美的白色家电技术创新中心有限公司 Procédé et dispositif de commande d'appareil de traitement de linge, contrôleur, et appareil de traitement de linge

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CN101713141A (zh) * 2008-09-30 2010-05-26 三洋电机株式会社 热泵式干燥机
CN102002843A (zh) * 2010-11-12 2011-04-06 Tcl空调器(中山)有限公司 一种热泵式干衣机
EP2733257A1 (fr) * 2012-11-16 2014-05-21 Electrolux Home Products Corporation N.V. Procédé pour faire fonctionner un appareil de traitement du linge et appareil de traitement du linge
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