CN114481577A

CN114481577A - Clothes dryer and clothes drying control method

Info

Publication number: CN114481577A
Application number: CN202011166044.3A
Authority: CN
Inventors: 李以民; 刘海涛; 金学峰; 许升
Original assignee: Qingdao Haier Washing Machine Co Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Haier Smart Home Co Ltd
Current assignee: Shanghai Haier Washing Electric Appliance Co ltd; Qingdao Haier Smart Technology R&D Co Ltd; Haier Smart Home Co Ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2022-05-13
Anticipated expiration: 2040-10-27
Also published as: CN114481577B

Abstract

The invention discloses a clothes dryer and a clothes drying control method, wherein the clothes dryer comprises a condensing part, a drying channel and a control part, wherein the condensing part is used for condensing air in the drying channel; the water storage tank is arranged below the condensing part and is used for containing condensed water; the condensed water box is communicated with the water storage tank and is used for containing condensed water in the water storage tank; the auxiliary condensing device is internally provided with cooling liquid which circularly flows and is used for exchanging heat with the condensing part and assisting in reducing the temperature of the condensing part; the condensed water box is communicated with the auxiliary condensing device, and the auxiliary condensing device is communicated with the water storage tank. According to the invention, the condensed water box is communicated with the auxiliary condensing device, and the auxiliary condensing device is communicated with the water storage tank, so that the water with lower temperature in the condensed water box can replace the cooling liquid with higher temperature in the auxiliary condensing device, the temperature of the cooling liquid is reduced, the heat exchange between the auxiliary condensing device and the condensing part is increased, the condensing efficiency of the condensing part is improved, and the clothes drying efficiency of the clothes dryer is improved.

Description

Clothes dryer and clothes drying control method

Technical Field

The invention belongs to the field of clothes dryers, and particularly relates to a clothes dryer and a clothes drying control method.

Background

In the existing condensing clothes dryer, because the condenser is arranged in the circulating air duct, moisture cannot be discharged to the surrounding environment during working, and the influence on the surrounding environment is small while the clothes dryer is quickly dried, so the clothes dryer is deeply loved by people. The working principle of the condensation type clothes dryer is as follows: the motor drives the fan to rotate so as to enable air to flow in the closed air channel in an oriented and circulating manner, clothes are washed and dehydrated and then placed into the drum of the clothes dryer, the air enters the drum after being heated by the heating element, moisture is taken away after the air exchanges heat with the clothes which are rolled and shaken, moisture is cooled down when the humid air passes through the condenser, cooling water is pumped into the water storage box through the drainage pump, the air continuously flows to the heating element, the air enters the drum after being heated, and the circulation is carried out, so that the moisture on the clothes is continuously taken away until the clothes are dried. However, the existing condenser has limited condensing effect and low clothes drying efficiency, and the clothes drying efficiency is improved by increasing the volume of the condenser or arranging an auxiliary condensing device.

The existing auxiliary condensing device condenses the damp and hot air of the drying channel, needs to be connected with an external water faucet or other cooling devices to realize the circulation of a condensing medium, realizes the cooling of the auxiliary condensing device, and causes the problems of water resource waste, large power consumption and large occupied space.

The present invention has been made in view of this situation.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide the clothes dryer with good condensation effect and low energy consumption.

Another object of the present invention is to provide a drying control method with high drying efficiency.

In order to solve the technical problems, the invention adopts the technical scheme that: there is provided a dryer including a condensing part for condensing air in a drying passage;

the water storage tank is arranged below the condensing part and is used for containing condensed water;

the condensed water box is communicated with the water storage tank and is used for containing condensed water in the water storage tank;

the auxiliary condensing device is internally provided with cooling liquid which circularly flows and is used for exchanging heat with the condensing part and assisting in reducing the temperature of the condensing part;

the condensed water box is communicated with the auxiliary condensing device, and the auxiliary condensing device is communicated with the water storage tank.

Furthermore, the condensed water box is communicated with the auxiliary condensing device through a first flow guide channel and is used for guiding condensed water in the condensed water box into cooling liquid of the auxiliary condensing device;

a valve is arranged on the first flow guide channel and used for opening/closing the first flow guide channel;

preferably, the cooling liquid is water.

Further, the auxiliary condensing unit includes,

the liquid cooling part is arranged on the condensing part and is in contact heat exchange with the condensing part;

the liquid cooling box stores cooling liquid and is provided with a liquid cooling air channel;

a liquid cooling fan configured to force an airflow through the liquid cooling duct to cool a cooling liquid within the liquid cooling tank;

the liquid cooling box is communicated with the condensed water box through the first flow guide channel.

Further, the auxiliary condensing device is provided with a drain pipe communicated with the inside, a water outlet of the drain pipe faces the water storage tank, and a water pump is arranged on the drain pipe.

Furthermore, the auxiliary condensing device also comprises a liquid-cooled pump which is arranged on a circulating pipeline of the auxiliary condensing device and is used for circulating and flowing cooling liquid in the auxiliary condensing device;

the liquid cooling pump is a three-way pump, and the water inlet of the drain pipe is communicated with the liquid cooling pump.

Further, the condensed water box is arranged on the shell of the clothes dryer and is positioned at the upper part of the roller;

the condensing part and the auxiliary condensing device are positioned below the drum;

the water storage tank is positioned below the condensing part and the auxiliary condensing unit.

The invention also provides a clothes drying control method of any clothes dryer, and the clothes drying control method comprises the steps of

Receiving a control instruction;

and controlling to replace at least part of the cooling liquid in the auxiliary condensing device with the condensed water in the condensed water box.

Further, the method comprises the following steps of,

s1, leading out part of the cooling liquid in the auxiliary condensing device to a water storage tank;

and S2, leading out the condensed water in the condensed water box to the cooling liquid of the auxiliary condensing device.

Further, the control command is to set the maximum value of the control command,

acquiring the temperature T of cooling liquid in the auxiliary condensing device, sending a control instruction when the temperature T of the cooling liquid is judged to be more than or equal to a preset temperature T1,

and/or obtaining the working time t of the clothes dryer, and sending a control instruction when the working time t is judged to be more than or equal to the preset time t 1.

Further, the following steps are included after the step S2,

and S3, guiding the liquid in the water storage tank into the condensed water box.

After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.

The auxiliary condensing device is arranged to exchange heat with the condensing part, so that the condensing efficiency of the condensing part can be improved, and the higher condensing efficiency can be obtained under the condition that the volume of the condensing part is smaller.

According to the invention, the auxiliary condensing device is communicated with the condensed water box and the auxiliary condensing device is communicated with the water storage tank, so that when the temperature of the cooling liquid in the auxiliary condensing device rises, the water with higher temperature in the auxiliary condensing device can be guided into the water storage tank, and the condensed water with lower temperature in the condensed water box is guided into the auxiliary condensing device, so that the temperature of the cooling liquid in the auxiliary condensing device can be reduced, the heat exchange of the auxiliary condensing device to the condensing part is increased, the condensing efficiency of the condensing part is improved, and further the condensing efficiency of the clothes dryer is improved.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a schematic structural view of a dryer according to one embodiment of the present invention;

FIG. 2 is a schematic configuration view of a condensing part and an auxiliary condensing means in the dryer according to one embodiment of the present invention;

FIG. 3 is a schematic configuration view of a condensing part and an auxiliary condensing apparatus in a dryer according to one embodiment of the present invention;

fig. 4 is another angle schematic of fig. 3 of the present invention.

Fig. 5 is a schematic configuration view of a condensing part and an auxiliary condensing means in a dryer according to one embodiment of the present invention.

FIG. 6 is a schematic structural view of a dryer according to one embodiment of the present invention;

FIG. 7 is a schematic block diagram of the dryer shown in FIG. 1 with the drum in an extended state;

FIG. 8 is a schematic front view of a dryer according to one embodiment of the present invention;

FIG. 9 is a schematic structural view of a dryer according to one embodiment of the present invention;

FIG. 10 is a schematic structural view of a dryer according to one embodiment of the present invention;

FIG. 11 is a schematic structural view of a drum of the dryer shown in FIG. 10 in an extended state;

fig. 12 is a schematic structural view of an auxiliary drying system in a dryer according to one embodiment of the present invention;

FIG. 13 is a schematic configuration view of a first coupling structure in a dryer according to one embodiment of the present invention;

FIG. 14 is a schematic structural view of a second coupling structure in the dryer according to one embodiment of the present invention;

fig. 15 is a schematic structural view of a second coupling structure in the dryer according to one embodiment of the present invention.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but rather to illustrate it for those skilled in the art by reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 15, the present invention also provides a dryer. The clothes dryer is a clothes dryer or a washing and drying integrated machine. The present embodiment will be described in detail by taking a dryer as an example.

As shown in fig. 1 to 4, the dryer includes a condensing part 42, a water storage tank 1, a condensed water box 29, and an auxiliary condensing means.

The condensing part 42 is used for condensing the air in the drying channel of the clothes dryer; the water storage tank 1 is arranged below the condensing part 42 and is used for containing condensed water; the condensed water box 29 is communicated with the water storage tank 1 and is used for containing condensed water in the water storage tank 1; the auxiliary condensing device is internally provided with a cooling liquid which circularly flows and is used for exchanging heat with the condensing part 42 and assisting in reducing the temperature of the condensing part 42; the condensed water box 29 is communicated with the auxiliary condensing device and is used for guiding the water in the condensed water box 29 into the auxiliary condensing device. The auxiliary condensing device is communicated with the water storage tank 1 and is used for discharging the cooling liquid in the auxiliary condensing device into the water storage tank 1.

The auxiliary condensing device is arranged to exchange heat with the condensing part 42, so that the condensing efficiency of the condensing part can be improved, and the higher condensing efficiency can be obtained under the condition that the volume of the condensing part of the clothes dryer is smaller.

According to the invention, the auxiliary condensing device is communicated with the condensed water box 29 and the auxiliary condensing device is communicated with the water storage tank 1, so that when the temperature of the cooling liquid in the auxiliary condensing device rises, the cooling liquid with higher temperature in the auxiliary condensing device can be introduced into the water storage tank 1, and the condensed water with lower temperature in the condensed water box 29 is introduced into the auxiliary condensing device, so that the temperature of the cooling liquid in the auxiliary condensing device can be reduced, the heat exchange of the auxiliary condensing device on a condensing part is increased, the condensing efficiency of the condensing part is improved, and further the condensing efficiency of the clothes dryer is improved.

Further, the condensed water box 29 is communicated with the auxiliary condensing device through a first guide passage 4621. The condensed water box 29 has an opening at the top thereof for receiving water discharged from the water storage tank 1 below the condensation part 42.

A valve 4622 (see fig. 4) is disposed on the first diversion channel 4621, and is used for opening/closing the first diversion channel 4621, so that water in the condensed water box 29 enters/stops entering the auxiliary condensing device. The valve 4622 is a water inlet valve.

Preferably, a condensed water tank 29 is provided at an upper portion of the dryer to receive water discharged from the water storage tank 1 at a lower side of the condensing part 42.

Further, the water storage tank 1 is communicated with the condensed water box 29 through a second guide passage (not shown).

A water pump (not shown) is arranged on the second flow guide channel and is used for guiding the condensed water in the water storage tank 1 out to the condensed water box 29.

The clothes dryer includes a primary drying system, which is a heat cycle system configured to allow a drying air flow to flow out of the drum 21, such as a front end of the drum, to be condensed and then heated, and to circulate into the drum 21, such as from a rear end of the drum 21 into the drum 21, and an auxiliary condensing device. Preferably, the heat cycle system may include a hot air hood 41, a condensing part 42, a heating part 43, a main fan 44, and an air duct system. The hot air cover 41 is rotatably disposed at the rear end of the drum 21, and a plurality of ventilation holes are formed in a rear end cover of the drum 21 to supply hot air into the drum 21. The hot air hood 41 is disposed coaxially with the drum 21. In some alternative embodiments of the present invention, the rear end of the drum 21 is not provided with an end cover, and is directly sealed by the hot air cover 41 to prevent the laundry from coming out of the rear end of the drum 21. The air duct system defines a drying air duct configured to guide a drying air flow, so that the drying air flow flows out from the annular air outlet structure under the action of the main fan 44, sequentially flows through the condensing portion 42, the heating portion 43 and enters the hot air hood 41, and then circularly enters the drum 21 from the rear end of the drum 21. The heat cycle system serves to dry the laundry of the drum 21.

As shown in fig. 2 to 3, the condensing portion 42 is used for condensing hot and humid air in the drying air flow in the dryer, and reducing the humidity of the drying air flow. The condensing portion 42 may be disposed in the casing 20 and below the drum 21, and the condensing portion 42 is configured to reduce a temperature of the drying airflow to condense at least a portion of water in the drying airflow. For example, the condensing part 42 may include a drying airflow passage 423 and an air passage that can exchange heat with the drying airflow passage 423 to cool the drying airflow having a higher temperature by air having a lower temperature. Specifically, the condensation portion 42 includes a plurality of air duct pipes 421 arranged in parallel and a plurality of fins mounted on the air duct pipes 421. The duct 421 extends horizontally, and a drying airflow path 423 is formed in the duct 421. The interval between the duct pipes 421 may be an air passage. The heat cycle system of the clothes dryer further includes a condensing fan 422, and the condensing fan 422 is configured to force air to enter from one end of the air channel and flow out from the other end of the air channel, so as to cool the drying air flow in the drying air flow channel 423 of the air channel pipe 421. The drying airflow channel 423 of the duct pipe 421 may extend in the front-rear direction, and the air channel may extend in the left-right direction. The liquid cooling pipe 461 is disposed on the outer side surface of one of the outermost air ducts.

Further, as shown in fig. 2 to 5, the auxiliary condensing unit 46 includes a liquid cooling unit, a liquid cooling tank 462, a liquid cooling fan 463, and a liquid cooling pump 464. The liquid cooling portion is disposed on the condensing portion 42, for example, may be disposed on an upper surface of the condensing portion 42. A liquid cooling air channel is arranged in the liquid cooling box 462, the liquid cooling fan 463 is arranged at one end of the liquid cooling box 462, the liquid cooling box 462 is used for storing cooling liquid, and the liquid cooling fan 463 and the liquid cooling air channel are used for cooling the cooling liquid in the liquid cooling box 462. The outlet of the liquid cooling section communicates with the liquid cooling tank 462 through an outlet pipe 466 and the inlet of the liquid cooling section communicates with the liquid cooling tank 462 through an inlet pipe 467.

The auxiliary condensing device also comprises a liquid-cooled pump 464 which is arranged on the circulating pipeline of the auxiliary condensing device and is used for circulating the cooling liquid in the auxiliary condensing device; the liquid-cooled pump 464 may be disposed on the inlet pipe 467 or the outlet pipe 466. The coolant is used for heat exchange in the condensation portion 42 to assist in reducing the temperature of the condensation portion 42.

The liquid cooling tank 462 is communicated with the condensed water box 29 through a first diversion channel 4621. The auxiliary condensing device is provided with a drain pipe 4641 communicated with the interior of the auxiliary condensing device, and a water outlet of the drain pipe 4641 faces to the opening of the water storage tank 1 and is positioned above the opening of the water storage tank 1 for discharging the cooling liquid in the auxiliary condensing device into the water storage tank 1. A water pump is arranged on the water discharge pipe 4641.

Preferably, the condensing part 42 and the auxiliary condensing means are located above the water storage tank 1.

Preferably, the liquid-cooled pump 464 is a three-way pump, and the water inlet of the water discharge pipe 4641 is communicated with one of the through holes of the liquid-cooled pump 464.

When the temperature of the coolant in the liquid cooling tank 462 is high, the coolant pump 464 is engaged to discharge the coolant in the liquid cooling tank 462 to the water storage tank 1 through the drain pipe 4641. The liquid cooling pump 464 is a three-way water pump. One end of the inlet of the liquid cooling pump 464 is communicated with the liquid cooling tank 462, one end of the outlet thereof is communicated with the liquid cooling portion 42, and the other outlet is used for discharging the cooling liquid into the water storage tank 1.

At least part of the inlet pipe 467 and/or at least part of the outlet pipe 466 are attached to the condensation portion 42 for exchanging heat and cooling the condensation portion 42.

As shown in fig. 2 and 3, the liquid cooling portion may be a liquid cooling pipe 461, and at least a portion of the inlet pipe 467 and/or the outlet pipe 466 is attached to two ends of the left side surface or two ends of the right side surface of the condensation portion 42. The liquid cooling portion is a liquid cooling pipeline 461, and the liquid cooling pipeline 461 extends in a serpentine shape and is disposed on one surface of the condensation portion 42.

Alternatively, as shown in fig. 5, the liquid cooling portion is a liquid cooling box 468 disposed on one surface of the condensation portion 42; a partition is disposed in the liquid cooling box 468 to form a passage extending in a bending manner in the liquid cooling box 468. Preferably, the liquid-cooled box 468 can be a flat box, i.e., the box has a small ratio of thickness to length, and further, the ratio can be 1/6 to 1/25.

As shown in fig. 3, the auxiliary condensing unit 46 further includes liquid cooling fins 465. The liquid cooling portion is provided on the upper surface of the condensing portion 42, and may be specifically provided on the upper surface of the uppermost duct 421. Liquid cooling fins 465 are provided integrally with the liquid cooling conduits 461, and the condensing fan 422 dissipates heat to the condensing portion 42 as well, i.e., the condensing fan 422 is also configured to force air through the spaces between the liquid cooling fins 465. The liquid cooling fins 465 may be perpendicular to the drying airflow path, i.e., perpendicular to the duct tubes. When the liquid cooling portion is liquid cooling pipeline 461, liquid cooling pipeline 461 can be snakelike extension, including a plurality of straight tube sections and a plurality of connecting pipe section, every straight tube section extends along the length direction of wind channel pipe, and every connecting pipe section connects the homonymy end of two adjacent straight tube sections. The cooling liquid can be water, glycerol, glycol, etc. And water is doped in the cooling liquid in the auxiliary condensing device. Preferably, the cooling liquid is water. When the liquid cooling portion is the liquid cooling box 468, a partition plate is arranged in the liquid cooling box 468 to form a channel extending in a bending manner in the liquid cooling box 468, and cooling efficiency is improved. Further, the number of baffles may be at least three, forming serpentine channels extending in a serpentine fashion within the liquid cooled box 468, which may also be referred to as S-shaped channels.

As shown in fig. 2 and 3, a flow guide device is disposed outside the inlet end of the air passage, and the flow guide device has a flow guide passage and a sub-flow guide provided in the flow guide passage for guiding air to the air passage, and the sub-flow guide is disposed between the condensation portion 42 and the outlet of the condensation fan 422. The flow guide channel comprises an inlet section and an outlet section, the sub flow guide channels are arranged in the outlet section, the inlet section is perpendicular to the air channel, namely, the inlet section extends along the front-back direction, and the condensing fan 422 is a centrifugal fan. Further, the liquid cooling box 462 is disposed at the outer side or above the outer side of the outlet end of the air passage, the length direction of the liquid cooling box 462 is perpendicular to the air passage, and the liquid cooling air duct is perpendicular to the air passage. The arrangement position and the relative relation of the special auxiliary condensing device and the condensing part can obviously improve the condensing efficiency and have good energy-saving effect.

In some embodiments of the present invention, as shown in fig. 1, 6 and 7, the dryer includes a housing 20, a drum 21, a pedestal and primary drying system, and an auxiliary condensing device. Wherein the drum 21 and the pedestal are disposed within the housing 20. The case 20 is an outer case of the dryer for protecting and accommodating internal components of the dryer, and in addition, may make the appearance of the dryer beautiful. The condensed water box 29 is provided on the case 20 above the drum 21, and the condensing part 42 and the auxiliary condensing means are located below the drum 21.

The circumferential wall of the drum 21 is provided with a laundry inlet 22, and in the initial position, the laundry inlet 22 is located at the uppermost side of the circumferential wall of the drum 21, that is, the opening of the laundry inlet 22 faces upward. The clothes access opening 22 is provided to be openable, for example, an access door 23 is provided at the clothes access opening 22 for opening and closing the clothes access opening 22.

Further, the access door 23 is preferably arc-shaped to match the shape of the drum 21. The drum 21 is slidably provided in the casing 20 in the front-rear direction such that the drum 21 is disposed so as to have a retracted state retracted into the casing 20 and an extended state at least partially outside the casing 20, and in the extended state, a part or all of the laundry access opening 22 is located outside the casing 20, and laundry can be accessed after the laundry access opening 22 is opened. In the retracted state, the drum 21 is completely within the interior space defined by the housing 20.

The casing 20 may further be provided with a display device and an operation device, wherein the display device may be a display screen, an indicator light, etc. for displaying the working state of the clothes dryer; the manipulation means includes, but is not limited to, buttons, knobs, and a touch screen display for a user to manipulate or set the dryer. The holder may be used to support the housing 20, mount the drum 21, and a main drying system of the dryer, etc.

Preferably, the drum 21 is horizontally disposed and used for housing and drying the laundry, i.e., the drum 21 is used for providing a storage space for the laundry. The drum 21 extends in the front-rear direction, and a front end cover 24 is provided at the front end of the drum 21. The front cover 24 is configured to close the front opening of the drum 21, that is, the rear side of the rear wall of the front cover 24 is the inner space of the drum 21. In some embodiments, the drum 21 may also be disposed obliquely with respect to the horizontal plane, etc.

Because have the cylinder that can stretch out or the indentation setting, when the cylinder stretches out, can get and put the clothing, the operation of drying after the cylinder withdrawal can solve the user and bend over the pain point that could get and put, and it is very convenient that the user gets and puts the clothing, and intelligent degree is high. The peripheral wall of the drum is provided with an openable clothes taking and placing opening, the clothes taking and placing opening is positioned in the shell when the clothes are dried, the clothes taking and placing opening can be disinfected through high temperature adopted during the clothes drying, and the clothes can be prevented from being secondarily polluted when taken out.

In some embodiments of the present invention, the portion of the air duct system disposed on the front end cap 24 may be referred to as a first portion, and the portion of the air duct system disposed within the housing 20 may be referred to as a second portion. The first part is communicated with the front end of the roller 21, a first connecting structure is arranged between the first part and the second part, and a second connecting structure is arranged between the rear end of the roller and the second part.

The first and second connection structures are configured to allow the drum 21 to move forward to place the drum 21 in an extended state, and to communicate the drying duct when the drum 21 is in a retracted state. Because the first connecting structure and the second connecting structure are arranged, the connection device can be matched with the extension and retraction of the roller, and the connection part of the clothes drying and air path is provided with the connecting device which can automatically realize disconnection, connection and sealing, thereby ensuring that the roller washing machine can be operated to dry clothes.

That is, in order to enable the drum 21 to be drawn out of the housing 20 forwards and enable the air duct system to work normally after the drum 21 is retracted into the housing 20, a first connection structure may be disposed between the air outlet of the first portion and the air inlet of the second portion, and a second connection structure may be disposed between the hot air cover 41 and the air outlet of the second portion, so as to enable the drying air duct to be automatically disconnected when the drum 21 is extended and connected when the drum 21 is retracted.

In some embodiments of the present invention, the first and second connection structures may be identical, for example, as shown in fig. 13 and 14, the first connection structure includes a plug tube 47 and a jack tube 48, and the plug tube 47 is inserted into the jack tube 48. Further, the inner wall of the insertion tube 48 may be tapered inward, i.e. gradually expanding toward the insertion head, such as a conical shape, e.g. a truncated cone, which may be a morse taper. The outer wall surface of the plug tube 47 is tapered so as to be fitted to the inner wall surface of the plug tube 48 and to be gradually reduced toward the plug tube 48. During the outward extraction of the drum 21, the plug tube 47 and the bayonet tube 48 are disengaged, and during the retraction of the drum 21, the plug tube 47 is inserted directly into the bayonet tube 48.

In some embodiments of the present invention, as shown in FIG. 15, the second attachment structure may include a bellows 49 and an engagement assembly. The suction assembly comprises a first suction member 57 and a second suction member 58 which are mutually sucked, the first suction member 57 is arranged at one end of the extension tube 49, the other end of the extension tube 49 is arranged on the hot air cover 41, the second suction member 58 is arranged at the air flow outlet of the second part, or the other end of the extension tube 49 is arranged at the air flow outlet of the second part, and the second suction member 58 is arranged on the hot air cover 41. Bellows 49 can be a flexible tube or a rigid tube. Flexible pipe, which may also be referred to as a hose, has a certain amount of deformation. The flexible tube may also be a tubing of corrugated construction. By arranging the telescopic pipe 49 and the suction assembly, the hot air hood 41 and the airflow outlet of the second part can be connected without generating adverse phenomena such as air leakage and the like due to small deviation. The first and second connection structures may be identical.

In some embodiments of the present invention, the front end cover 24 is provided with an annular air outlet structure. As shown in fig. 12, the annular air outlet structure is coaxial with the drum 21 and disposed at the other end of the drum 21, so that the drying air flow flows out of the drum 21 from the other end of the drum 21 through the annular air outlet structure. Because the drying device is provided with the main drying system and the annular air outlet structure, the airflow field of drying airflow in the roller 21 can be changed, the drying temperature in the roller 21 is reasonably distributed as far as possible, uniform and rapid heating is realized as far as possible, the drying efficiency is improved, and the drying device is high in practicability.

For example, the front cover 24 is provided with an annular structure 241 coaxial with the drum 21, and the annular air outlet structure is provided on the inner peripheral wall or the rear end surface of the annular structure 241. Annular air-out structure includes a plurality of air-out portions, and a plurality of air-out portions are along cylinder 21's circumferential direction equipartition. Further, each air outlet portion includes one air outlet hole 242 or a plurality of air outlet holes 242 arranged in sequence along the front-back direction or a plurality of air outlet holes 242 arranged in sequence along the circumferential direction of the roller 21. In some alternative embodiments, the annular air outlet structure is an air outlet ring coaxial with the drum 21, that is, a plurality of air outlet portions are connected together in sequence. An observation window can be arranged on the front end cover 24, and the annular air outlet structure can be located on the periphery of the observation window. In some preferred embodiments, the axis of each region of the annular air outlet structure for air outlet is arranged to intersect with the axis of the drum. For example, the axis of the air outlet hole 242 is perpendicular to the axis of the drum 21, so that the airflow field of the drying airflow in the drum can be reasonably arranged.

In some embodiments of the present invention, the dryer further comprises an auxiliary drying system. An auxiliary drying system may be disposed outside the front end of the drum 21, and the auxiliary drying system is configured to suck an air flow from the front end of the drum 21, heat the air flow, and make the heated air flow enter the drum 21 from the front end of the drum 21. Preferably, the auxiliary drying system is disposed within the front cover 24. In the clothes dryer of the embodiment of the invention, because the auxiliary drying system is arranged, the air path of the auxiliary drying system is combined with the main drying system, and simultaneously, the turbulent flow is formed in the roller 21, so that the two ends in the roller 21 have the drying temperature close to each other, the uniform heating is realized, the drying efficiency is improved, and the practicability is strong. That is to say, this application compares in current ordinary dryer, can improve the anterior stoving temperature of cylinder 21, consequently is showing and is improving drying efficiency, and can realize the even stoving of the interior clothing of cylinder 21, promotes dryer drying efficiency. Preferably, the auxiliary drying system moves the airflow in the drum 21 forward out of the drum 21, and moves the airflow backward into the drum 21 after being heated by the auxiliary drying system. The auxiliary drying system is arranged on the inner side of the annular air outlet structure.

In some embodiments of the present invention, as shown in fig. 1 and 12, the air inlet of the air duct system may be communicated with the annular air outlet structure. For example, an annular air duct 244 communicating with the annular air outlet structure is disposed in the annular structure 241, and an outlet of the annular air duct 244 is connected to an air inlet of the air duct system. Preferably, the annular air outlet structure is disposed on the inner peripheral wall of the annular structure 241, each air outlet portion includes a plurality of air outlet holes 242 sequentially disposed along the front-back direction, and each air outlet hole 242 may extend along the circumferential direction of the drum 21 and communicate with the inner space of the drum 21. A guiding ring 243 is disposed on the rear end surface of the annular structure 241, and the guiding ring 243 and the inner peripheral wall of the annular structure 241 are on the same cylindrical surface. The guide ring 243 may be located within the front end opening of the drum 21. The rear wall of the front cover 24 may be protruded rearward to define an annular guide groove with the annular structure 241, and the drying air may enter the air outlet hole 242 through the annular guide groove. In some alternative embodiments of the present invention, only the lower portion of the inner peripheral wall or the lower portion of the rear end surface of the ring structure 241 is provided with the air outlet holes 242, so that the drying air flow flows out of the drying air flow only from the lower portion of the front end of the drum 21.

In some embodiments of the present invention, as shown in fig. 1 and 12, the auxiliary drying system may include an auxiliary blower 51 and a heating device 52, an air inlet structure and an air outlet structure are disposed on a rear wall of the front end cover 24, and the auxiliary blower 51 is configured to promote air in the drum 21 to enter the front end cover 24 through the air inlet structure, and after exchanging heat with the heating device 52, the air enters the drum 21 again from the air outlet structure. The hot air flow blown out from the air outlet structure by the auxiliary fan 51 and the drying air flow blown out from the rear part by the main fan 44 act together to form turbulent flow at the front part of the roller 21, so that the temperature of clothes at the front part of the roller 21 is improved, and uniform drying temperature is formed at the front and the rear parts of the roller 21, thereby improving the drying efficiency. An auxiliary heating device 52 is provided to accelerate the evaporation of moisture from the laundry.

Because a heater and a fan are generally disposed at the rear of the conventional clothes dryer, hot air flows from the rear to the front in the drum 21, so that the temperature at the rear of the drum 21 is significantly higher than that at the front, and the temperature difference is large, and therefore, clothes at the front of the drum 21 are dried slowly, and the drying efficiency is low. According to the invention, the auxiliary drying device is arranged on the front end cover 24, so that the drying temperature of the front part of the roller 21 can be increased, and the drying efficiency is obviously improved.

Because of the existence of the heat cycle system in the clothes dryer, a person skilled in the art needs to reliably arrange the circulating air duct on a fixed part to ensure the stability of air supply, and to control the air supply temperature, the condensation temperature and the like conveniently, so as to obtain a good clothes drying effect. Therefore, before the present invention, those skilled in the art can obtain the technical solution of the present invention without creative work and without any breakthrough of the technical limitations and technical prejudice of the prior art, and the drying structure is disposed on the movable component, i.e., the drying structure, the annular air outlet structure, etc., is disposed on the front end cover 24.

In some embodiments of the invention, the drum 21 is arranged such that in the retracted state the drum 21 is allowed to rotate about its axis of rotation, to be brought into rotation by the power means 30. That is, the dryer according to the embodiment of the present invention may be a drawer type dryer, the drum 21 may extend and retract as required, and the drum 21 is provided with the clothing taking and placing opening 22, so that the clothing may be taken and placed without bending down, thereby solving the pain of the conventional dryer that needs to be taken and placed by bending down. After the drum 21 is retracted into the housing 20, the rotation of the drum 21 is not affected, and the drying efficiency is improved by the rotation. The front end cap 24 may be disposed on the drum 21 to translate with the drum 21. To facilitate rotation of the drum 21, the drum 21 is rotatably disposed with respect to the front cover 24. The front end cap 24 mates with an opening in the front side of the housing 20 to close the housing 20. The front end cover 24 can also improve the safety of the dryer, prevent the rotating drum 21 from being directly exposed and ensure the safety. In some alternative embodiments of the present invention, the front cover 24 may be fixedly coupled to the drum 21 to rotate with the drum 21.

In some embodiments of the present invention, as shown in fig. 6 and 7, the dryer further includes a first frame 25, the first frame 25 is translatably mounted in the housing 20 by a sliding rail structure 26, the drum 21 is rotatably mounted to the first frame 25, and the front cover 24 is fixedly mounted to the first frame 25. In particular, the first frame 25 is mounted on the support by means of a sliding rail structure 26. Further, the first frame 25 includes a rear frame at a rear side of the drum 21 and a peripheral frame disposed radially outside the drum 21, and connects the rear frame and the front cover 24. In other embodiments of the present invention, the dryer further includes a second frame rotatably mounted within the housing 20, specifically on a pedestal within the housing 20. The peripheral wall of the drum 21 is translatably mounted to the second frame by a sliding track structure. The power device 30 drives the second frame to rotate, and further drives the roller 21 to rotate.

Through setting up the push-and-pull of the cylinder 21 of being convenient for very much of frame and slip track structure, cylinder 21 supports through frame and slide, and the removal of cylinder 21 is realized through the slip track, can realize pulling out and closing as required, and the cylinder is in the back of indentation casing, does not influence the rotation of cylinder, improves drying efficiency through rotating.

Further, the drum 21 may be caused to perform the translational movement manually, or as shown in fig. 5, the drum 21 may be driven to perform the translational movement by a driving structure 31 having a motive device. Specifically, in some embodiments, the front end cover 24 may be provided with a handle for drawing the drum 21, so that the translational movement of the drum 21 is achieved by manual pushing and pulling. In some alternative embodiments, the driving structure 31 is an automatic extension device to cause the drum 21 to perform a translational motion, such as causing the drum 21 to extend forward.

As shown in fig. 8, the automatic stretching device includes a gear connected to the power part, a rack engaged with the gear, and one of the power part and the rack is installed in the housing 20 and the other is connected to the drum 21. For example, a rack extends in the front-rear direction and is mounted to the first frame 25, a power unit is mounted to the bracket, and a gear is mounted to an output shaft of the power unit and is engaged with the rack to move the rack forward or backward when the power unit rotates the gear, thereby extending or retracting the drum 21 out of or into the housing 20. Alternatively, a rack extends in the front-rear direction and is mounted to the bracket, a power unit is mounted to the first frame 25, and a gear is mounted to an output shaft of the power unit and is engaged with the rack, so that the gear moves forward or backward along the rack when the power unit rotates the gear, thereby extending or retracting the drum 21 out of or into the housing 20.

In some embodiments of the present invention, as shown in fig. 1, 5 to 6, the power device 30 may be a direct drive motor fixedly disposed on the first frame 25 to follow the first frame 25 and the drum 21 to move back and forth. The direct drive motor is positioned behind the roller 21, and the roller 21 is connected to an output shaft of the direct drive motor. The direct drive motor is a short name of a direct drive motor, and mainly means that the motor does not need to pass through a transmission device (such as a transmission belt) when driving a load. The direct drive motor can realize silence, energy conservation, stability and strong power. That is, the direct drive motor is directly connected with the drum 21, so that the direct drive clothes dryer has the advantages of high transmission efficiency, low vibration noise and the like, and can overcome the defects of low efficiency and high noise of the traditional clothes dryer. The power device 30 for driving the roller 21 to rotate is arranged to extend out or retract along with the roller synchronously, so that the reliability of power transmission is ensured, and the structure is simple and compact.

In other embodiments of the present invention, as shown in fig. 10 and 11, the power unit 30 may include a drive unit 32, a transmission unit 33, and a clutch 34. The driving device 32 may be mounted on the support, the transmission device 33 is disposed between the driving device 32 and the clutch 34, and the clutch 34 is disposed behind the drum 21 and connected to the drum 21, such that the driving device 32 drives the drum 21 to rotate through the transmission device 33 and the clutch 34. In particular, the drive 32 may be an electric motor and the transmission 33 may be a belt transmission. The belt transmission device comprises a driving belt wheel, a driven belt wheel and a belt, the driving belt wheel is mounted on an output shaft of the motor, the driven belt wheel and the roller 21 are coaxially arranged, and the belt is arranged on the driving belt wheel and the driven belt wheel. The on-off of the power of the roller 21 is realized through the connection and the disconnection of the clutch 34, the purpose that the power source does not move back and forth along with the roller 21 is realized, and the reliability of the device is improved. In some alternative embodiments, the belt transmission device includes a driving pulley mounted to an output shaft of the motor, an intermediate pulley disposed coaxially with the drum 21, a driven pulley disposed on the driving pulley and the intermediate pulley, and two belts disposed on the intermediate pulley and the driven pulley. In some optional embodiments of the invention, the direct drive motor may also be mounted on the housing and connected to the drum through a clutch structure.

In some embodiments of the present invention, the access door 23 is a sliding cover structure. The edges of the two front and back extensions of the clothes taking and placing opening 22 are provided with rails extending in the front and back direction, and the left side and the right side of the taking and placing door body 23 are installed on the two rails. The front end of the access door body 23 is provided with a handle, which can be a groove opened on the outer surface of the access door body 23, so as to manually open or close the clothes access opening 22. In some preferred embodiments of the present invention, as shown in fig. 7, a limit lock 27 is disposed in the housing 20, and the limit lock 27 is located on the upper side of the access door body 23. When the drum 21 extends, the limit lock 27 obtains a signal to extend a lock tongue, and the lock tongue acts on the access door body 23 to limit the access door body 23 to move outwards, so that the clothes access opening 22 can be opened while the drum 21 extends. After the roller 21 retracts into the housing 20, or when the roller 21 is ready to rotate, the limit lock 27 obtains a signal to retract the latch, the limit on the movement of the access door body 23 is released, and the access door body 23 rotates along with the roller 21. Further, a bolt insertion slot 28 for inserting a bolt is formed in the outer surface of the access door body 23, and the bolt can be inserted into the bolt insertion slot 28 to limit the movement of the access door body 23. In alternative embodiments of the present invention, the opening form of the drum door may be changed, for example, the access door body 23 may be rotatably mounted to the drum 21 about an axis extending forward and backward, and further, the access door body 23 may include two halves disposed left and right.

In some embodiments of the present invention, the main blower 44 may include fan blades. The fan blades may be mounted to the drive device 32, or the fan blades may be connected to the drive device 32 by a transmission 33, i.e. one drive device 32 may be used for the rotation of the fan blades and the rotation of the drum 21, and the drive device 32 may be a motor.

In some embodiments of the present invention, as shown in fig. 1 and 12, the air inlet structure may include a plurality of air inlet holes, and further, the plurality of air inlet holes may be disposed on a cover plate, which is an air inlet cover 53, and the air inlet cover 53 may be mounted on the air inlet through holes formed on the rear wall of the front end cover 24. The air outlet structure is a first air outlet structure, and the first air outlet structure comprises a plurality of air outlet holes. Further, a plurality of air outlets may also be disposed on a cover plate, the cover plate is an air outlet cover 54, and the air outlet cover 24 may be mounted on an air outlet through hole formed on the rear wall of the front end cover 24. The air inlet structure can be arranged at the central position of the rear wall of the front end cover 24, and the air outlet structure is arranged above the air inlet structure, so that the temperature drying airflow in the roller 21 is distributed more uniformly, and the drying effect is improved.

In other embodiments of the present invention, the air outlet structure is disposed at the periphery of the air inlet structure to provide air flow into the drum from a plurality of positions at the periphery of the air inlet structure. For example, the air outlet structure is a second air outlet structure, and the second air outlet structure includes a plurality of air outlets, each air outlet may be an arc-shaped opening, and the plurality of air outlets are uniformly distributed on the rear wall of the front end cover 24 along the circumferential direction of the drum 21. The heating device 52 may be in a ring-shaped configuration 241, which is arranged coaxially with the drum 21 to improve the heating effect. In some embodiments of the present invention, the air outlet structure includes both the first air outlet structure and the second air outlet structure. The first air outlet structure can be a circular air outlet structure, and the second air outlet structure can be an annular air outlet structure, namely the air outlet structure is a circular air outlet structure or an annular air outlet structure.

In some embodiments of the present invention, the heating device 52 is an infrared heater that can radiate heat into the drum 21. The heating device 52 is disposed on the airflow path between the air inlet structure and the air outlet structure. The infrared heater has a high emissivity and can directly radiate heat to the laundry inside the drum 21. The auxiliary fan 51 blows the remaining heat of the auxiliary heating device 52 into the drum 21 to dry the laundry. The auxiliary fan 51 may be a centrifugal fan or an axial fan or a diagonal fan.

In some embodiments of the invention, a lint filter 45 is provided on the duct system for filtering lint. The lint filter 45 is arranged on the first part of the air duct system, i.e. the lint filter 45 is also arranged on the front end cap 24. The lint filter 45 is disposed on the front end cover 24, so that impurities in the lint filter 45 can be cleaned conveniently.

In some embodiments of the invention, as shown in fig. 13 and 14, a gasket is provided on the inner wall of the bayonet tube 48 and/or on the outer wall of the plug tube 47. In the retraction process of the roller 21, the plug pipe 47 moves along the conical surface and is in sealing connection with the plug pipe 48 through the compression sealing gasket, so that automatic disconnection, connection and sealing performance during connection are realized. Further, a blocking surface is provided in the plug tube 48 to block the plug tube 47 from further inward insertion. In some embodiments of the present invention, as shown in fig. 13, the first and

second suction members

57 and 58 may have an elastic sealing member on one or both of the opposite surfaces thereof to ensure sealing performance. The first and second engaging

members

57 and 58 may be magnetically attracted members such as magnets.

Further, the first part of the air duct system is a door pipeline, and is connected between the outlet of the annular air duct and the plug pipe 47 of the first connecting structure. The second part of the air duct system comprises an air inlet duct section, a first air supply duct section and a second air supply duct section. The air inlet pipe section is communicated with the insertion pipe 48 of the first connecting structure and the inlet of the drying airflow channel 423 of the condensation part 42. The first air supply section is communicated with the outlet of the drying airflow channel 423 and the air inlet of the main fan 44. The second supply duct section communicates with the outlet of the main blower 44 and the second connection structure. The heating portion 43 may be provided in the first air supply duct section or in the second air supply duct section.

The condensing fan 422 may include fan blades, and the fan blades of the condensing fan 422 may be connected to the driving device 32 through the transmission device 33, that is, the rotation of the fan blades of the main fan 44, the rotation of the fan blades of the condensing fan 422, and the rotation of the drum 21 may use one driving device 32. The fan blades of the condensing fan 422 may be directly mounted on the output shaft of the driving device 32, and the output shaft of the driving device 32 drives the fan blades of the main fan 44 and the drum 21 to rotate through the transmission device 33. The fan blades of the main fan 44 may be mounted to an intermediate pulley of the transmission 33.

In some embodiments of the present invention, the main drying system further includes a semiconductor refrigeration module, a cold end fin is disposed on a cold end surface of the semiconductor refrigeration module, and water vapor in the hot and humid air is condensed by using the cold end fin of the semiconductor refrigeration module. Namely, the condensation part 42 is used for mainly condensing water vapor in the humid and hot air, and then the cold-end fins of the semiconductor refrigeration module are used for assisting condensation, so that the condensation effect is improved. In order to improve the drying efficiency, the cold end of the semiconductor refrigeration module can be perpendicular to the flowing direction of the drying airflow, so that the drying airflow flows away from the periphery, such as the upper side, of the cold end of the semiconductor refrigeration module after being subjected to heat exchange with the fins by large resistance.

Preferably, the hot end fin is arranged on the hot end surface of the semiconductor refrigeration module, and the hot end fin of the semiconductor refrigeration module is used for preheating the drying airflow. Furthermore, the air duct system can be provided with a bypass air duct section arranged on the upper side of the semiconductor refrigeration module, so that the drying air flow flows upwards after exchanging heat with the cold-end fins of the semiconductor refrigeration module and then flows downwards to exchange heat with the hot-end fins for preheating. Namely, the hot end fin of the semiconductor refrigeration module is utilized to preheat the drying airflow, so that the energy utilization rate and the drying efficiency are improved.

Preferably, the water storage tank 1 is further provided with a drainage pipeline.

The invention also provides a clothes drying control method of any one of the clothes dryers, which comprises the following steps: receiving a control instruction; and controlling to replace at least part of the cooling liquid in the auxiliary condensing device with the condensed water in the condensed water box.

After the control instruction is received, the lower-temperature water in the condensed water box replaces part of the higher-temperature cooling liquid in the auxiliary condensing device, so that the temperature of the liquid in the auxiliary condensing device can be reduced, the heat exchange between the auxiliary condensing device and the condensing part is increased, the temperature of the condensing part is reduced, and the condensing efficiency of the condensing part is improved, so that the clothes drying efficiency of the clothes treatment equipment is improved, and the clothes drying effect is good.

The clothes drying control method comprises the following steps of S1, leading out part of cooling liquid in the auxiliary condensing device to a water storage tank; and S2, leading out the condensed water in the condensed water box to the cooling liquid of the auxiliary condensing device.

According to the invention, a part of cooling liquid in the auxiliary condensing device is discharged, and then the low-temperature water in the condensed water box is introduced into the auxiliary condensing device with higher cooling liquid temperature, so that a part of cooling liquid with higher temperature in the auxiliary condensing device is replaced, the cooling liquid in the liquid cooling box is cooled, the temperature of a condensing part can be obviously reduced, and the clothes drying efficiency is improved.

Preferably, the condensed water box is positioned above the auxiliary condensing device, and the communication between the condensed water box and the auxiliary condensing device is controlled by a valve. When the valve is opened, water in the condensed water box enters the auxiliary condensing device.

The amount of the coolant discharged and the amount of the water introduced into the auxiliary condensing device can be determined by detecting the liquid level in the auxiliary condensing device and the condensed water box. When the cooling liquid discharged from the auxiliary condensing device reaches a preset amount, controlling to stop discharging water; and when the water led in from the condensed water box in the auxiliary condensing device reaches a preset amount, controlling to stop water inlet.

The cooling liquid is water and/or glycerol and/or glycol cooling liquid.

The control command is that,

and/or obtaining the working time t of the clothes dryer, and sending a control instruction when the working time t is judged to be more than or equal to the preset time t 1;

and/or acquiring a temperature change value T 'and/or a humidity change value d' at the air outlet of the condensing part in unit time, and sending a control instruction when the T 'is judged to be more than or equal to a preset value T1' and/or the humidity change value d 'is judged to be more than or equal to a preset value d 1'.

According to the invention, through detecting the temperature of the cooling liquid in the auxiliary condensing device, whether the detected temperature T of the cooling liquid is greater than or equal to the preset temperature T1 or not is judged, and when the detected temperature T of the cooling liquid is greater than or equal to the preset temperature T1, the cooling liquid with higher temperature in the auxiliary condensing device is replaced, so that the replacement and cooling of the cooling liquid can be ensured when the auxiliary condensing device needs.

Or obtaining the working time t of the clothes dryer, and replacing the cooling liquid with higher temperature in the auxiliary condensing device when judging that the clothes drying time t is larger than or equal to the preset time t1, so that the replacement and cooling of the cooling liquid can be ensured when the auxiliary condensing device is needed.

According to the invention, by detecting the working time of the clothes dryer and detecting and acquiring the temperature T of the cooling liquid in the auxiliary condensing device for judgment when the working time is more than a certain preset time T1, the condition that the temperature of the cooling liquid in the auxiliary condensing device begins to be detected when the clothes treatment equipment begins to work is avoided.

The step S3 of introducing the liquid in the water storage tank into the condensed water box is further included after the step S2.

Preferably, in the step S3, the liquid in the water storage tank is introduced into the condensed water box by a water pump.

When the liquid in the water storage tank exceeds the preset water containing amount, the water storage tank is controlled to guide the water into the condensed water box.

Preferably, the cooling liquid is water.

When more clothes are dried, the drying time is longer, and the temperature of the water in the liquid cooling box is gradually increased. According to the invention, the higher temperature water in the auxiliary condensing device is discharged into the water storage tank below, then the lower temperature condensed water in the condensed water box is introduced into the auxiliary condensing device, and then the higher temperature water in the water storage tank is introduced into the condensed water box, so that the recycling of the condensed water is realized, the temperature of the circulating water in the auxiliary condensing device is reduced, the heat exchange of the condensing part can be promoted, and the condensing efficiency of the condensing part is improved.

The higher water of temperature leads to the comdenstion water box in the aqua storage tank, and the higher water of temperature can wait for natural cooling or the user can pour the higher water of temperature in the comdenstion water box, or adds some microthermal water after pouring.

The above embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention in any way, and although the present invention has been disclosed by the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make various changes and modifications to the equivalent embodiments by using the technical contents disclosed above without departing from the technical scope of the present invention, and the embodiments in the above embodiments can be further combined or replaced, but any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.

Claims

1. A clothes dryer includes a clothes dryer, including,

a condensing part for condensing the air in the drying channel;

the method is characterized in that: also comprises the following steps of (1) preparing,

2. The clothes dryer according to claim 1, wherein: the condensed water box is communicated with the auxiliary condensing device through a first flow guide channel and is used for guiding condensed water in the condensed water box into cooling liquid of the auxiliary condensing device;

the first flow guide channel is provided with a valve for opening/closing the first flow guide channel;

preferably, the cooling liquid is water.

3. The clothes dryer according to claim 2, wherein: the auxiliary condensing device comprises a condenser, a condenser and a condenser,

4. The clothes dryer according to any one of claims 1 to 3, characterized in that: the auxiliary condensing device is provided with a drain pipe communicated with the inside, a water outlet of the drain pipe faces the water storage tank, and a water pump is arranged on the drain pipe.

5. The clothes dryer according to claim 4, wherein: the auxiliary condensing device also comprises a liquid-cooled pump which is arranged on a circulating pipeline of the auxiliary condensing device and is used for circulating and flowing cooling liquid in the auxiliary condensing device;

6. The clothes dryer according to any one of claims 1 to 5, characterized in that: the condensed water box is arranged on the shell of the clothes dryer and is positioned at the upper part of the roller;

the water storage tank is positioned below the condensing part and the auxiliary condensing device.

7. A drying control method of a clothes dryer according to any one of claims 1 to 6, characterized in that:

receiving a control instruction;

8. The clothes drying control method according to claim 7, characterized in that: comprises the following steps of (a) preparing a solution,

9. The clothes drying control method according to claim 8, characterized in that: the control command is that,

10. The clothes drying control method according to claim 8 or 9, characterized in that: the following steps are also included after the step S2,