Clothes drying device and method for drying clothes

Abstract

A clothes drying device and a method for drying clothes applying the device are provided. The clothes drying device comprises a drum body for accommodating clothes, an air duct for allowing air to flow and be dried and a condensing module and a semiconductor module. The condensing module comprises a heat absorbing portion and a heat releasing portion, the heat portion is arranged in the air duct to absorb heat from air in the drum body and to preliminarily condense moisture of air; the heat releasing portion is arranged outside the air duct to dissipate the heat absorbed by the heat absorbing portion to outside of the clothes drying device. The semiconductor module is arrange outside the air duct and comprises a cold end and a hot end, the cold end re-condenses moisture of air preliminarily condensed by the condensing module, the hot end heats the re-condensed air.

1 . A clothes drying device, comprising a drum body for accommodating clothes, an air duct for allowing air to flow and be dried, a condensing module and a semiconductor module, wherein:
 the condensing module comprises a heat absorbing portion and a heat releasing portion, the heat absorbing portion is arranged in the air duct to absorb heat from air in the drum body and to preliminarily condense moisture of air; the heat releasing portion is arranged outside the air duct to dissipate the heat absorbed by the heat absorbing portion to outside of the clothes drying device;   the semiconductor module is arranged in the air duct and comprises a cold end and a hot end, the cold end re-condenses moisture of air preliminarily condensed by the condensing module, the hot end heats the re-condensed air.   
     
     
         2 . The clothes drying device according to  claim 1 , wherein the air duct is provided with a chamber formed by outwardly protruding of a side wall of the air duct,
 the semiconductor module is arranged in the chamber,   the cold end faces an air inlet of the chamber, and the hot end faces an air outlet of the chamber;   the air passing through the chamber in the air duct enters into the chamber through the air inlet after being condensed by the cold end, then is heated by the hot end and flows into next section of the air duct through the air outlet.   
     
     
         3 . The clothes drying device according to  claim 1 , wherein the air duct is provided with a horizontal pipe,
 a side wall of the horizontal pipe is provided with an outwardly expanding section protruding downwards to form a transverse D-shaped chamber in the horizontal pipe,   two sides of an upper part of the transverse D-shaped chamber are respectively the air inlet in a horizontal direction and the air outlet in a vertical direction,   the air outlet is communicated with a vertical pipe, the semiconductor module is arranged between the air inlet and the air outlet, and   a first drainage outlet is arranged at a bottom of the transverse D-shaped chamber.   
     
     
         4 . The clothes drying device according to  claim 3 , wherein the semiconductor module comprises multilayer heat absorbing fins vertically arranged at the cold end and multilayer heat releasing fins vertically arranged at the hot end,
 gaps between the multilayer heat absorbing fins form an air inlet passage facing the air inlet, gaps between the multilayer heat releasing fins form an air outlet passage facing the air outlet,   the air entering into the air inlet is blocked by the cold end in the air let passage and then turns down to enter into the chamber, and then is guided upwards by an inner wall of the chamber, and flows out of the chamber through the air outlet passage and the air outlet, to form a U-shaped ventilation trajectory.   
     
     
         5 . The clothes drying device according to  claim 1 , wherein the condensing module is provided with a closed chamber, the closed chamber contains working fluid,
 the heat absorbing portion preliminarily condenses moisture of air by heat absorption and evaporation of the working fluid, and   the heat releasing portion dissipates the heat by condensation of the working fluid.   
     
     
         6 . The clothes drying device according to  claim 5 , wherein the condensing module comprises a heat pipe having an evaporation section and an condensation section,
 the evaporation section and the condensation section of the heat pipe are both provided with a heat exchange sheet group,   the evaporation section and a first heat exchange sheet group form the heat absorbing portion, and   the condensation section and a second heat exchange sheet group form the heat releasing portion.   
     
     
         7 . The clothes drying device according to  claim 6 , wherein an axial fan is arranged on the heat exchange sheet group of the condensation section of the heat pipe, airflow of the axial fan dissipates heat of gaps between heat exchange sheets. 
     
     
         8 . The clothes drying device according to  claim 5 , wherein the condensing module comprises a vapor chamber having an evaporation sector and a condensation sector, the evaporation sector forms the heat absorbing portion, and the condensation sector forms the heat releasing portion. 
     
     
         9 . The clothes drying device according to  claim 1 , wherein the air duct comprises an air exhausting pipe, a condensing passage, an air returning pipe and a drying passage connected in sequence,
 the air in the drum body enters into the air duct through the air exhausting pipe,   the heat absorbing portion of the condensing module is located in the condensing passage,   the semiconductor module is located in the air returning pipe,   the drying passage is connected with the drum body, and a fan for allowing air to circulate is arranged in the drying passage.   
     
     
         10 . The clothes drying device according to  claim 9 , wherein a second drainage outlet is arranged at a bottom of the condensing passage. 
     
     
         11 . The clothes drying device according to  claim 9 , wherein a heater for reheating the air is arranged in the drying passage. 
     
     
         12 . A method for drying clothes in the clothes drying device of  claim 1 , comprising the following steps:
 supplying air for drying the clothes into the drum body, taking moisture of the clothes away from the drum body by the air to form humid and hot air, and the humid and hot air entering into the air duct;   absorbing the heat of the air in the air duct by the heat absorbing portion of the condensing module, dissipating the heat from the air to the outside of the device by the heat releasing portion of the condensing module, and the air being preliminarily condensed;   and then re-condensing the air by the cold end of the semiconductor module, the re-condensed air being heated by the hot end of the semiconductor module, and eventually returning to the drum body to dry clothes again.   
     
     
         13 . The clothes drying device according to  claim 2 , wherein the air duct is provided with a horizontal pipe,
 a side wall of the horizontal pipe is provided with an outwardly expanding section protruding downwards to form a transverse D-shaped chamber in the horizontal pipe,   two sides of an upper part of the transverse D-shaped chamber are respectively the air inlet in a horizontal direction and the air outlet in a vertical direction,   the air outlet is communicated with a vertical pipe, the semiconductor module is arranged between the air inlet and the air outlet, and
 a first drainage outlet is arranged at a bottom of the transverse D-shaped chamber.