CN217324664U - Clothes drying equipment - Google Patents

Abstract

This application belongs to electrical apparatus technical field, concretely relates to clothes drying equipment. The shell of the clothes drying equipment is internally provided with an air channel, the air channel is provided with a first end and a second end which are communicated, the roller is arranged in the shell and is provided with a communicated air inlet part and an air outlet part, the air inlet part is communicated with the first end of the air channel, the air flow driving piece is arranged on the shell and is provided with an air flow driving channel, the air flow driving channel is communicated with the air outlet part of the roller and the second end of the air channel, and an air flow driver is arranged in the air flow driving channel to extract air in the roller, so that negative pressure is formed in the roller, and negative pressure is formed in the roller. This application can reduce drying time, improves dry clothing efficiency to promote user experience.

Description

Clothes drying equipment

Technical Field

This application belongs to electrical apparatus technical field, concretely relates to clothes drying equipment.

Background

When the clothes drying equipment is used, the drying time is the largest pain point of a user, and the user experience is influenced.

Disclosure of Invention

In order to solve the technical problem, the application provides a clothes drying device and a clothes drying method, and aims to solve the technical problems that in the prior art, the drying time of the clothes drying device is long and the user experience is influenced to at least a certain extent.

The technical scheme of the application is as follows:

in one aspect, the present application provides a clothes drying apparatus, which is characterized in that the clothes drying apparatus comprises:

the air duct is arranged in the shell and provided with a first end and a second end which are communicated;

the roller is arranged in the shell and provided with an air inlet part and an air outlet part which are communicated, and the air inlet part is communicated with the first end of the air channel;

the air flow driving piece is arranged on the shell and provided with an air flow driving channel, the air flow driving channel is communicated with the air outlet portion of the roller and the second end of the air channel, and an air flow driver is arranged in the air flow driving channel to extract air in the roller so as to form negative pressure in the roller.

The utility model provides a clothes drying equipment, because the first end intercommunication in air inlet portion and the wind channel of cylinder, the second end intercommunication in air current drive passageway and the wind channel on the air current driving piece is passed through to the play wind portion of cylinder, be provided with the air current driver in the air current drive passageway, under the effect of air current driver, can extract the air in the cylinder to the wind channel in, so that the inside negative pressure that forms of cylinder, thereby can make external environment air pass through and enter into in the cylinder between cylinder axial both ends and the casing, the ambient air who enters into the inside of cylinder can combine with the humid air in the cylinder, can reduce the vapor vaporization saturation temperature, steam is appeared with higher speed, thereby can reduce the stoving time, improve dry clothing efficiency, in order to promote user experience.

In some embodiments, a first air outlet is provided on the circumferential surface of the drum, and the air outlet portion of the drum includes the first starting port.

In some embodiments, the first air outlet is disposed on a circumferential surface of one axial end of the drum, the other axial end of the drum is provided with an openable laundry door and a first air inlet, and the air inlet portion of the drum includes the first air inlet, so that a stroke of air inside the drum can be increased to further improve drying efficiency.

In some embodiments, the airflow driver is a volute disposed on the housing, the volute communicates with the air outlet of the drum and the second end of the air duct, and the airflow driver includes a fan disposed in the volute.

In some embodiments, the housing comprises:

a top cover disposed above the drum, the volute being disposed within the top cover.

In some embodiments, the volute communicates with the outlet of the drum through a straight duct. Because the top cover is arranged above the roller, and the air outlet part of the roller is arranged on the circumferential surface of the roller, the volute can be communicated with the air outlet part of the roller through the straight pipe, so that no redundant intermediate connecting pipeline exists, the wind resistance can be reduced, and the clothes drying efficiency can be further improved.

In some embodiments, the drying apparatus further comprises:

and the heat pump system is arranged in the air channel and comprises an evaporator and a condenser which are sequentially close to the air inlet part of the roller. The damp and hot air in the roller can enter the evaporator of the heat pump system in the air channel through the airflow driver, the evaporator changes the damp and hot air coming out of the roller into dry low-temperature air, the damp becomes condensed water to be discharged, the low-temperature dry air is reheated through the condenser of the heat pump system and is introduced into the roller to dry clothes, so that closed circulation is formed

In some embodiments, a dehumidification portion is disposed on the air duct between the heat pump system and the air outlet end of the airflow driving member. Because the roller is negative pressure, part of the damp and hot air in the roller can directly enter the environment through the dehumidifying part and discharged out of the air channel, and the rest of the damp and hot air enters the evaporator of the heat pump system in the air channel for cooling and dehumidifying and then enters the condenser for heating to form high-temperature and low-humidity air, and then enters the roller for drying clothes to form semi-open circulation. Because a part of the damp and hot air in the roller can be discharged out of the air channel through the dehumidification part, the processing load of an evaporator and a condenser of the heat pump system can be reduced, so that the effects of cooling, dehumidifying and heating are better, the drying time can be further reduced, and the clothes drying efficiency is improved.

In some embodiments, the dehumidifying part can be controlled to open and close, so that the moisture discharging amount of the dehumidifying part can be controlled, the heat loss can be reduced, and the air temperature of the clothes drying circulation can be accelerated to have better clothes drying efficiency.

In some embodiments, a temperature detector is disposed within the air duct to detect a temperature of the dehumidification portion.

In some embodiments, the dehumidification portion is disposed between the air outlet end of the airflow driver and the evaporator, or/and the dehumidification portion is disposed between the evaporator and the condenser.

In some embodiments, the drying apparatus further comprises:

and the heater is arranged in the air duct, and is arranged between the heat pump system and the air inlet part of the roller. Therefore, the temperature of the dehumidified air processed by the evaporator can be raised by the double heat sources formed by the heat pump system and the heater, the temperature of the air introduced into the roller can be further increased, the drying time is shortened, and the drying effect is improved.

On the other hand, the application also provides a clothes drying method based on the clothes drying equipment, which is characterized by comprising the following steps:

obtaining a clothes drying instruction, and controlling the clothes drying equipment to work;

receiving a real-time detection temperature value of the temperature detector, wherein the real-time detection temperature value is the temperature of the dehumidification part in the air duct;

and determining whether to start the dehumidification part or not according to the real-time detection temperature value.

In the clothes drying method provided by the application, the dehumidifying part is controlled to be opened only when the temperature of the dehumidifying part in the air duct is determined to be higher than the set temperature, because if the temperature of the dehumidifying part in the air duct is lower than the set temperature, the moisture content of air in the roller is relatively less, at the moment, exhaust is selected, the dehumidifying amount is limited, in addition, the exhausted air of the dehumidifying part has partial heat loss, at the clothes drying initial stage, the temperature is lower, at the moment, the dehumidifying port is closed, the partial heat loss can be reduced, and the circulating air temperature of the clothes drying is accelerated to be improved.

Further, the determining whether to start the dehumidification portion according to the real-time detection temperature value includes:

judging whether the real-time detection temperature value is between 25 ℃ and 80 ℃;

and if so, controlling the dehumidification part to be opened.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

In the drawings:

fig. 1 is a schematic system diagram of a clothes drying apparatus according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a clothes drying apparatus according to an embodiment of the present application;

FIG. 3 is an internal schematic view of FIG. 2;

FIG. 4 is a schematic top view of the housing of FIG. 2;

FIG. 5 is a schematic view of the drum and airflow drive channel communication according to an embodiment of the present application;

FIG. 6 is a schematic view of another system of a clothes drying apparatus according to an embodiment of the present application;

FIG. 7 is a schematic flow chart of a method of drying clothes according to an embodiment of the present application;

fig. 8 is a system diagram illustrating the drying method of fig. 7.

Reference numerals:

the device comprises a shell-100, a roller-200, a first air inlet-201, a first air outlet-202, an outer cylinder-203, an inner cylinder-204, an air outlet-205, an airflow driving piece-300, a second air inlet-301, a containing cavity-302, a second air outlet-303, an airflow driving piece-400, an air duct-500, a dehumidifying part-501, a valve-502, a temperature sensor-503, a clothes door-600, a top cover-700, a straight pipe-800, an evaporator-900, a condenser-1000, a heater-1100, a processor-1200 and an airflow driving channel-1300.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that all the directional indications in the embodiments of the present application are only used for explaining the relative position relationship, the motion condition, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed correspondingly.

The following disclosure provides many different embodiments, or examples, for implementing different features of the application. To simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

The application is described below with reference to specific embodiments in conjunction with the following drawings:

the clothes drying equipment is a household appliance for further drying clothes dehydrated by the washing machine, and the working principle is as follows: the air flow driver sends the air heated by the condenser into the roller to dry clothes, the wet air passing through the roller further reaches an evaporator of the heat pump system, the evaporator changes the wet hot air coming out of the roller into dry low-temperature air, the wet air becomes condensed water to be discharged, and the low-temperature dry air is heated again through the condenser of the heat pump system, so that one cycle is completed. The clothes drying device continuously takes away moisture through the circulation and discharges the moisture in the form of condensed water so as to achieve the aim of drying clothes.

The positive pressure is used in the cylinder of the traditional clothes drying equipment, the air duct for placing the heat pump system is negative pressure, and in the clothes drying equipment, because the two ends of the cylinder in the axial direction are sealed through the movable seal and the shell, therefore, when the positive pressure is used in the cylinder, the air in the cylinder can be discharged from the two ends of the cylinder in the axial direction and the shell, and although the discharge amount is very small, the clothes drying time can be influenced, and the user experience is influenced.

In order to solve the technical problem, an embodiment of the application provides clothes drying equipment and a clothes drying method, and aims to solve the technical problem that in the prior art, the drying time of the clothes drying equipment is long and user experience is affected to at least a certain extent.

Fig. 1 is a schematic system diagram of a clothes drying apparatus according to an embodiment of the present application, fig. 2 is a schematic structural diagram of the clothes drying apparatus according to the embodiment of the present application, fig. 3 is a schematic internal diagram of fig. 2, and fig. 4 is a schematic top structural diagram of a housing in fig. 2. Referring to fig. 1 to 4, a drying apparatus according to an embodiment of the present application includes a housing 100, a drum 200, an air driving unit 300, and an air driving unit 400. Wherein, be provided with wind channel 500 in the casing 100, wind channel 500 has communicating first end and second end, cylinder 200 and air current driving piece 300 all set up in casing 100, cylinder 200 is provided with communicating air inlet portion and air-out portion, the air inlet portion of cylinder 200 and the first end of wind channel 500 intercommunication, air current driving piece 300 sets up on casing 100, air current driving piece 300 is provided with air current drive passageway 1300, air current drive passageway 1300 communicates air-out portion and the second end of wind channel 500 of cylinder 200, be provided with air current driver 400 in the air current drive passageway 1300, air current driver 400 is in order to extract the air in the cylinder 200, make the interior negative pressure that forms of cylinder 200.

The embodiment of the application provides a clothes drying device, because the air inlet portion of the roller 200 is communicated with the first end of the air duct 500, the air outlet portion of the roller 200 is communicated with the second end of the air duct 500 through the air flow driving channel 1300 on the air flow driving part 300, the air flow driver 400 is arranged in the air flow driving channel 1300, under the action of the air flow driver 400, the air in the roller 200 can be extracted into the air duct 500, so that negative pressure is formed inside the roller 200, external environment air can enter the roller 200 through the space between the two axial ends of the roller 200 and the shell 100, the environment air entering the roller 200 can be combined with the wet air in the roller 200, the water vapor vaporization saturation temperature can be reduced, the water vapor precipitation is accelerated, the drying time can be shortened, the clothes drying efficiency is improved, and the user experience is improved.

FIG. 5 is a schematic view of the communication between the drum and the airflow driving channel according to an embodiment of the present application. With reference to fig. 2-5, in the embodiment of the present application, a first air outlet 202 may be disposed on the circumferential surface of the drum 200, and the air outlet portion of the drum 200 includes the first air outlet 202. In practical implementation, the drum 200 can be divided into an outer cylinder 203 and an inner cylinder 204, the outer cylinder 203 is fixedly assembled in the housing 100, and both axial ends of the inner cylinder 204 are rotatably assembled in the housing 100, the first air outlet 202 of the embodiment of the present application is disposed on the circumferential surface of the outer cylinder 203, the inner cylinder 204 can be disposed with an air outlet 205 at a position corresponding to the circumferential surface of the first air outlet 202 on the outer cylinder 203, and air in the inner cylinder 204 can be discharged to the area between the inner cylinder 204 and the outer cylinder 203 through the air outlet 205, and then discharged outside the outer cylinder 203, that is, to the outside of the drum 200 through the first air outlet 202.

It should be noted that one or more air outlets 205 may be provided on the circumferential surface of the inner barrel 204 in the embodiment of the present application, and in the case that a plurality of air outlets 205 are provided, the plurality of air outlets 205 may be arranged in a grid and ring shape. Regardless of one or more air outlets 205, the air outlets 205 and the first air outlet 202 are preferably arranged in the same radial direction of the drum 200, so as to reduce the air stroke, improve the air flowing effect, and further improve the clothes drying efficiency.

Referring to fig. 2 to 5, in the embodiment of the present application, an openable laundry door 600 is disposed at one axial end of the drum 200, a first air inlet 201 is disposed at one axial end of the drum 200, the first air inlet 201 is an air inlet portion of the drum 200, a first air outlet 202 is disposed on a circumferential surface of the drum 200 near the other axial end of the drum 200, heated air enters the drum 200 from the first air inlet 201, and is then sequentially discharged into the airflow driving channel 1300 and the air duct 500 from the first air outlet 202 of the drum 200, because the first air inlet 201 is disposed at one axial end of the drum 200, the first air outlet 202 is disposed on a circumferential surface of the drum 200 near the other axial end of the drum 200, and the first air inlet 201 and the first air outlet 202 are disposed close to each other, a stroke of the heated air inside the drum 200 may be increased, so as to further improve the laundry drying efficiency.

With reference to fig. 4, the airflow driving member 300 of the embodiment of the present application includes a volute, where the volute has a second air inlet 301, a containing cavity 302 and a second air outlet 303, the second air inlet 301 of the volute is an air inlet end of the airflow driving member 300, the containing cavity 302 is internally provided with the airflow driver 400, and the second air outlet 303 of the volute is an air outlet end of the airflow driving member 300. In practical implementation, through the effect of the airflow driver 400 in the volute, the air in the roller 200 can be extracted into the air duct 500, so that negative pressure is formed inside the roller 200, thereby external ambient air can enter the roller 200 through the space between the two axial ends of the roller 200 and the shell 100, the ambient air entering the roller 200 can be combined with humid air in the roller 200, the water vapor vaporization saturation temperature can be reduced, the water vapor precipitation is accelerated, the drying time can be reduced, the clothes drying efficiency is improved, and the user experience is improved.

The airflow driver 400 of the embodiment of the present application may include a fan disposed in the receiving cavity 302 of the volute, but may be other types of airflow guides, and is not limited herein.

Further, with reference to fig. 2 to 4, the casing 100 of the embodiment of the present application further includes a top cover 700, the top cover 700 is disposed above the drum 200, and the volute is disposed in the top cover 700. That is, the volute of the embodiment of the present application is disposed above the drum 200, so that the second air inlet of the volute is communicated with the air outlet of the drum 200 through the straight pipe 800. Since the top cover 700 is disposed above the drum 200 and the air outlet portion of the drum 200 is disposed on the circumferential surface of the drum 200, the second air inlet 301 of the volute may be communicated with the air outlet portion of the drum 200 through the straight pipe 800, so that there is no redundant intermediate connection pipe, and the wind resistance may be reduced, to further improve the clothes drying efficiency.

It should be noted that the airflow driving member 300 of the embodiment of the present application may also be disposed separately from the housing 100, that is, the airflow driving member 300 is disposed outside the housing 100.

In other embodiments, the airflow driving member 300 may be disposed at an axial end of the drum 200 in accordance with a conventional clothes drying apparatus, which is not limited by the examples of the present application.

With reference to fig. 1-4, the clothes drying apparatus of the embodiment of the present application further includes a heat pump system disposed in the air duct 500, and the heat pump system includes an evaporator 900 and a condenser 1000 sequentially disposed along the air outlet end of the airflow driving member 300 toward the air inlet portion of the drum 200. In practice, the hot and humid air in the drum 200 may enter the evaporator 900 of the heat pump system in the wind tunnel 500 through the airflow driver 400, the evaporator 900 changes the hot and humid air coming out of the drum 200 into dry low-temperature air, the moisture becomes condensed water to be discharged, and the low-temperature dry air is reheated by the condenser 1000 of the heat pump system and introduced into the drum 200 to dry the laundry, so as to form a closed cycle. Fig. 6 is a schematic view of another system of a clothes drying apparatus according to an embodiment of the present application. With reference to fig. 6, the air duct 500 between the air outlet end of the heat pump system and the airflow driver 300 of the embodiment of the present application may be provided with a dehumidifying portion 501, because the roller 200 is under negative pressure, a part of the hot and humid air in the roller 200 may be discharged out of the air duct 500 through the dehumidifying portion 501, and directly enter the environment, and the rest enters the evaporator 900 of the heat pump system in the air duct 500 to cool and dehumidify, and then enters the condenser 1000 to heat up, so as to form high-temperature and low-humidity air, and then enters the roller 200 to dry clothes, so as to form a semi-open cycle. Because a part of the high-temperature and high-humidity air in the drum 200 can be discharged out of the air duct 500 through the dehumidifying part 501, the processing load of the evaporator 900 and the condenser 1000 of the heat pump system can be reduced, so that the effects of cooling, dehumidifying and heating can be better achieved, the drying time can be further reduced, and the clothes drying efficiency can be improved.

In this embodiment, more than one hole may be disposed on the air duct 500 between the heat pump system and the air outlet end of the airflow driving member 300, and the dehumidifying part 501 includes more than one hole, that is, the dehumidifying part 501 may include only one hole or a plurality of holes.

Further, the dehumidifying part 501 of the embodiment of the present application can be controllably opened and closed, so that the dehumidifying amount of the dehumidifying part 501 can be controlled, the heat loss can be reduced, and the drying circulation air temperature can be accelerated to have better drying efficiency.

Referring to fig. 6, in the embodiment of the present application, an openable or closable valve 502 may be disposed in the dehumidification portion 501, and the valve 502 may receive a command to automatically open or close, so as to open or close the dehumidification portion 501.

Preferably, referring to fig. 6, the dehumidifying part 501 of the embodiment of the present application is disposed on the air duct 500 between the air outlet end of the airflow driving member 300 and the evaporator 900. Of course, it may be disposed on the air duct 500 between the evaporator 900 and the condenser 1000, or the dehumidifying part 501 may be disposed on both the air duct 500 between the air outlet end of the airflow driving member 300 and the evaporator 900 and the air duct 500 between the evaporator 900 and the condenser 1000.

In addition, referring to fig. 1 to 6, the clothes drying apparatus according to the embodiment of the present invention may further include a heater 1100, and the heater 1100 is disposed on the air duct 500 between the condenser 1000 and the air inlet portion of the drum 200, so that the dehumidified air processed by the evaporator 900 may be heated by a dual heat source composed of a heat pump system and the heater 1100, and the temperature of the air introduced into the drum 200 may be further increased, thereby reducing the drying time and improving the drying effect.

Further, based on the condition that the clothes drying equipment is provided with the openable and closable dehumidification part 501, the embodiment of the application also discloses a clothes drying method. Fig. 7 is a schematic flow chart of a drying method according to an embodiment of the present application, and fig. 8 is a schematic system diagram of the drying method shown in fig. 7, which is combined with fig. 7 and 8, and the drying method includes:

the processor 1200 obtains a drying instruction and controls the clothes drying equipment to work;

the processor 1200 receives a real-time detection temperature value of the temperature detector 503, where the real-time detection temperature value is the temperature of the dehumidification portion 501 in the air duct 500;

the processor determines whether to start the dehumidification portion 501 according to the real-time detection temperature value.

In the clothes drying method disclosed in the embodiment of the present application, the dehumidifying part 501 is controlled to be opened only when it is determined that the temperature of the dehumidifying part 501 in the air duct 500 is higher than the set temperature, because if the temperature of the dehumidifying part 501 in the air duct 500 is lower than the set temperature, the moisture content of the air in the drum 200 is relatively low, at this time, air is selectively exhausted, the dehumidifying amount is limited, in addition, the air exhausted from the dehumidifying part has a part of heat loss, at the initial stage of clothes drying, the temperature is low, at this time, the dehumidifying port is closed, thereby reducing the part of heat loss and accelerating the increase of the circulating air temperature of the clothes drying.

With reference to fig. 5 and 7, in the embodiment of the present application, a temperature sensor 503 may be disposed at a position of the dehumidification portion 501 in the air duct 500, the temperature sensor 503 is electrically connected to the processor 1200, and the real-time temperature of the dehumidification portion 501 in the air duct 500 may be sent to the processor 1200, so that the processor 1200 sends an instruction for opening or closing the dehumidification portion 501, that is, the processor 1200 sends an opening instruction to the valve 502, and the valve 502 may be automatically opened after receiving the opening instruction.

Further, the determining whether to start the dehumidification portion 501 according to the real-time detection temperature value includes:

judging whether the real-time detection temperature value is between 25 ℃ and 80 ℃;

if yes, the dehumidification portion 501 is controlled to be opened.

That is, in the embodiment of the present application, the dehumidifying part 501 may be turned on only when it is determined that the temperature of the dehumidifying part 501 in the air duct 500 is between 25 ℃ and 80 ℃.

Of course, the dehumidifying part 501 may be always in an open state when the drying apparatus is drying clothes.

It should be noted that the clothes drying apparatus according to the embodiment of the present application may be an all-in-one washing and drying machine, a clothes dryer, or the like, which can dry clothes by hot air, and is not limited herein.

To sum up, the embodiment of the application provides a clothes drying device and a clothes drying method, can solve the technical problems that the drying time of the clothes drying device is long and the user experience is influenced in the prior art to at least a certain extent, so that the clothes drying efficiency is improved, the drying time is reduced, and the clothes drying device and the clothes drying method have good practicability.

In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.

In addition, descriptions in this application as to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

In the description of the present application, unless otherwise expressly specified or limited, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

While the preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (12)

1. A clothes drying apparatus, characterized in that the clothes drying apparatus comprises:

the air duct structure comprises a shell (100), wherein an air duct (500) is arranged in the shell (100), and a first end and a second end which are communicated are arranged on the air duct (500);

the roller (200) is arranged in the shell (100), the roller (200) is provided with an air inlet part and an air outlet part which are communicated, and the air inlet part is communicated with the first end of the air duct (500);

the air flow driving piece (300) is arranged on the shell (100), an air flow driving channel (1300) is arranged on the air flow driving piece (300), the air flow driving channel (1300) is communicated with the air outlet portion of the roller (200) and the second end of the air duct (500), an air flow driver (400) is arranged in the air flow driving channel (1300) to extract air in the roller (200), and negative pressure is formed in the roller (200).

2. Laundry drying apparatus according to claim 1, characterized in that a first air outlet is provided on the circumferential surface of the drum (200), the air outlet portion of the drum (200) comprising the first air outlet.

3. The drying apparatus according to claim 2, wherein the first air outlet is provided on a circumferential surface of one axial end of the drum (200), and the other axial end of the drum (200) is provided with an openable laundry door (600) and a first air inlet (201), and the air inlet portion of the drum (200) includes the first air inlet.

4. The laundry drying apparatus according to any one of claims 1-3, characterized in that the air flow driving member (300) is a volute disposed on the housing (100), the volute communicating the air outlet of the drum (200) and the second end of the air duct (500), and the air flow driving member (400) includes a fan disposed in the volute.

5. Laundry drying apparatus according to claim 4, characterized in that said casing (100) comprises:

a top cover (700) disposed above the drum (200), the volute being disposed within the top cover (700).

6. Laundry drying apparatus according to claim 5, characterized in that the volute communicates with the outlet of the drum (200) through a straight pipe (800).

7. Laundry drying apparatus according to any one of claims 1-3, characterized in that the laundry drying apparatus further comprises:

and the heat pump system is arranged in the air duct (500) and comprises an evaporator (900) and a condenser (1000) which are sequentially close to the air inlet part of the roller (200).

8. Clothes drying apparatus according to claim 7, characterized in that a dehumidifying part (501) is arranged on the air duct (500) between the heat pump system and the air outlet end of the air flow driving member (300).

9. Laundry drying apparatus according to claim 8, characterized in that the dehumidifying part (501) is controllably openable and closable.

10. Laundry drying apparatus according to claim 9, characterized in that a temperature detector (503) is provided in the air duct (500) to detect the temperature of the dehumidifying part (501).

11. Laundry drying apparatus according to any one of claims 8-10, characterized in, that the dehumidifying part (501) is arranged between the outlet end of the air flow drive (300) and the evaporator (900) or/and that the dehumidifying part (501) is arranged between the evaporator (900) and the condenser (1000).

12. The clothes drying apparatus of claim 7, further comprising:

and a heater (1100) disposed in the air duct (500) and located between the heat pump system and the air inlet portion of the drum (200).

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