Clothes drying apparatus

Abstract

The present disclosure provides a clothes drying device, which relates to the technical field of household appliances, and comprises a cabinet, an outer drum, an inner drum, a drying air duct, a cooling air duct, a condensing disc and a cooling mechanism for cooling the condensing disc. The inner side of the rear end wall of the outer drum is provided with a return air inlet and the cooling air duct, and the cooling air duct adopts a double-channel design independent of each other. The inner drum has a drying cavity. The drying air duct can provide drying gas, and forms an air circulation loop with the double channels of the cooling air duct, the return air inlet and the drying cavity. The condensing disc is arranged in the double channels of the cooling air duct. In the above technical solution, the wet and hot air from the inner drum can be forced to enter the double channels and flow through the condensing disc by the action of the fan, so that the wet and hot air can fully contact the surface of the condensing disc, the water content in the wet and hot air can be greatly reduced, the wet and hot air can be changed into dry and cold air with low water content, the dehumidification efficiency of the condensing disc is improved, and the demand for rapid clothes drying is met.

Description

Technical Field

[0001] This disclosure relates to the field of household appliance technology, and in particular to a clothes drying device. Background Technology

[0002] With social progress and technological development, clothes dryers have become common household appliances. As living standards improve at a fast pace, people are using clothes dryers more and more frequently and have higher and higher requirements for their drying performance.

[0003] Currently, condenser dryers on the market use a condenser tray inside the outer drum to improve drying heat exchange efficiency. However, during the process of the condenser tray cooling the humid air inside the outer drum, the contact between the condenser tray and the humid air is insufficient, resulting in low dehumidification efficiency and failing to meet the demand for rapid drying. Utility Model Content

[0004] In view of this, the purpose of this disclosure is to provide a clothes drying device to improve the technical problem of low dehumidification efficiency of the condenser plate due to insufficient contact between the condenser plate and the humid air in the prior art.

[0005] To achieve at least one of the above objectives, this disclosure provides the following technical solutions:

[0006] A clothes drying device is provided, including a housing, an outer drum, an inner drum, a drying air duct, a cooling air duct, and a condenser plate for cooling by a cooling mechanism. An outer cylinder is disposed inside the housing, and a return air vent is provided on the inner side of the outer cylinder. An inner cylinder is rotatably disposed inside the outer cylinder, and a drying chamber capable of accommodating clothes is formed inside the inner cylinder. The cavity between the inner and outer cylinders is a first cavity, and the drying chamber is connected to the return air vent via the first cavity. A drying air duct is disposed outside the outer cylinder, with one end connected to the return air vent and the other end connected to the drying chamber. The drying air duct is configured to supply gas for drying clothes into the drying chamber and to draw gas from the first cavity through the return air vent. A cooling air duct is formed on the rear end wall of the outer cylinder facing the inner cylinder, and a return air vent is formed in the inner cavity of the cooling air duct. A partition is provided inside the cooling air duct, dividing the inner cavity of the cooling air duct into a first air duct cavity and a second air duct cavity, and dividing the return air vent into a first return air vent and a second return air vent. The first air duct cavity is connected to the first return air vent, and the second air duct cavity is connected to the second return air vent. The cooling air duct includes: a first air inlet. A first cavity is connected to a first air duct cavity, and the first cavity is connected to a first return air inlet via the first air duct cavity; a second air inlet is connected to the first cavity and a second air duct cavity, and the first cavity is connected to a second return air inlet via the second air duct cavity; a first water outlet is connected to the first air duct cavity; a second water outlet is connected to the second air duct cavity; a portion of the condenser plate is disposed in the first air duct cavity, and a portion of the condenser plate is disposed in the second air duct cavity; under the suction action of the drying air duct, the gas in the drying cavity enters the first air duct cavity through the first cavity and the first air inlet, and enters the second air duct cavity through the first cavity and the second air inlet, and flows back to the drying air duct from the first return air inlet and the second return air inlet respectively; wherein, the gas entering the first air duct cavity and the second air duct cavity flows over the surface of the condenser plate, causing the water vapor in the gas to be condensed into condensate, and the condensate can be discharged from the first air duct cavity through the first water outlet and from the second air duct cavity through the second water outlet.

[0007] In the above technical solution, a cooling air duct is provided on the side of the rear wall of the outer cylinder facing the inner cylinder. This cooling air duct is connected to both the first cavity and the return air inlet. The condenser plate is placed inside the cooling air duct, and with the action of the fan in the drying air duct, the humid and hot air coming out of the inner cylinder can be forced to reach the inner cavity of the cooling air duct through the first cavity, the first air inlet, and the second air inlet, and flow through the condenser plate. This allows the humid and hot air to have full contact with the surface of the condenser plate, and the water vapor in the humid and hot air is quickly condensed into water and discharged, which can greatly reduce the moisture content in the humid and hot air, turning it into dry and cold air with low moisture content, thus improving the dehumidification efficiency of the condenser plate. After the dry and cold air enters the drying air duct through the return air inlet, it can be heated into dry and hot air with low moisture content. The dry and hot air can continue to dry the clothes, which is conducive to the evaporation of moisture in the clothes, thereby improving the drying efficiency, shortening the drying time, and increasing the speed of drying clothes. Furthermore, the inner cavity of the cooling air duct is divided into two air duct chambers by a separator, namely the first air duct chamber and the second air duct chamber. These two air duct chambers can independently guide the gas in the drying chamber back into the drying air duct. It can be regarded as having two independent cooling air ducts inside the outer cylinder. Using two independent cooling air ducts to cool the flowing hot and humid air can greatly improve the condensation efficiency of water vapor in the hot and humid air in the drying equipment, and reduce the moisture content in the hot and humid air in a large amount and rapidly, which is beneficial to increasing the drying speed of clothes. Under the action of the separator, the airflow in the two air duct chambers is separated, which can prevent the gas in the two air duct chambers from entering each other's internal cavities, and can guide the gas in the two air duct chambers to enter the drying air duct through the first return air port and the second return air port respectively, thereby increasing the gas flow speed in the drying equipment, increasing the flow of hot and dry air, and thus increasing the drying speed of clothes. Furthermore, because the separator divides the return air inlet into two inlets, namely the first return air inlet and the second return air inlet, which are connected to the two air duct cavities respectively, the fan in the drying air duct simultaneously performs suction operations on both air duct cavities during operation. The suction force of the fan is distributed between the two air duct cavities, making the airflow in each air duct cavity relatively weaker. The flow speed of the humid and hot air in the two air duct cavities slows down, which helps the humid and hot air to fully contact and exchange heat with the condensation plates in the two air duct cavities, improves the condensation efficiency of water vapor in the humid and hot air, and thus increases the drying speed of clothes. At the same time, the weakened airflow in the two air duct cavities can also prevent condensate and cooling media (such as coolant) flowing on the surface of the condensation plates from being sucked into the drying air duct with the airflow under the action of the fan, which would corrode the drying air duct and affect the humidity of the gas in the drying air duct. In addition, the condensed water can be discharged in time through the first and second water outlets to prevent the condensed water from being in the inner cavity of the cooling air duct for a long time and being evaporated into water vapor, thereby affecting the humidity of the gas entering the drying air duct.

[0008] In some embodiments, the cooling air duct includes: a groove recessed in the rear end wall of the outer cylinder facing the inner cylinder along a direction away from the inner cylinder; a cover plate laid at the opening of the groove, the space between the cover plate and the groove forming the inner cavity of the cooling air duct; a partition disposed in the groove to divide the groove into a first groove and a second groove, the space enclosed by the first groove, the partition and the cover plate forming a first air duct cavity, and the space enclosed by the second groove, the partition and the cover plate forming a second air duct cavity; a return air inlet formed in the groove; and a partition extending to the return air inlet to divide the return air inlet into a first return air inlet and a second return air inlet.

[0009] In the above technical solution, the cooling air duct is formed by a groove and a cover plate. The groove is recessed on the rear end wall of the outer cylinder in the direction away from the inner cylinder, and the cover plate is laid at the groove opening. This design does not occupy too much space between the rear end wall of the outer cylinder and the rear end of the inner cylinder, which can save installation space and facilitate the reasonable assembly between the outer cylinder and the inner cylinder. It can make the structural layout of the entire drying equipment in the front and rear direction of the box more compact and reasonable.

[0010] In some embodiments, a rotating shaft assembly is provided on the side of the inner cylinder facing the rear end wall of the outer cylinder, the rotating shaft assembly being configured to cause the inner cylinder to rotate inside the outer cylinder; a mounting hole for the rotating shaft assembly to pass through is provided on the rear end wall of the outer cylinder; a groove extends circumferentially around the mounting hole and surrounds the outer periphery of the mounting hole, and at least a portion of the groove surrounds the upper part of the mounting hole.

[0011] In the above technical solution, the groove is formed on the inner side of the rear end wall of the outer cylinder and surrounds the outer periphery of the mounting hole. Under reasonable conditions, the groove can have a larger layout area, thereby increasing the layout space of the cooling air duct. A larger condenser plate can be arranged in the groove, allowing the hot and humid air to come into more full contact with the condenser plate and exchange heat, thereby improving the condensation efficiency of water vapor in the hot and humid air, reducing the moisture content in the hot and humid air in a large amount and rapidly, which is beneficial to increasing the drying speed of clothes.

[0012] In some embodiments, the cover plate blocks part of the groove opening, so that the part of the groove opening not blocked by the cover plate forms a first air inlet and a second air inlet.

[0013] In the above technical solution, the part of the groove that is not covered by the cover plate is used as the first air inlet and the second air inlet. That is, the first air inlet and the second air inlet are both part of the groove structure, which does not require additional processing on the cover plate. This simplifies the process and avoids affecting the strength of the cover plate by opening holes in it.

[0014] In some embodiments, the first air inlet is located at the end of the first trough away from the first return air inlet; the second air inlet is located at the end of the second trough away from the second return air inlet.

[0015] In the above technical solution, the first air inlet and the first return air inlet are placed at opposite ends of the first tank, allowing the humid and hot air entering from the first air inlet to flow through the complete first air duct cavity and then enter the drying air duct from the first return air inlet. This increases the flow path of the humid and hot air within the first air duct cavity. Furthermore, since a condenser plate is installed within the first air duct cavity, the humid and hot air can have more thorough contact with the surface of the condenser plate, improving the dehumidification efficiency of the condenser plate and thus increasing the drying speed of clothes. Similarly, placing the second air inlet and the second return air inlet at opposite ends of the second tank allows the humid and hot air entering from the second air inlet to flow through the complete second air duct cavity and then enter the drying air duct from the second return air inlet. This increases the flow path of the humid and hot air within the second air duct cavity. Furthermore, since a condenser plate is installed within the second air duct cavity, the humid and hot air can have more thorough contact with the surface of the condenser plate, improving the dehumidification efficiency of the condenser plate and thus increasing the drying speed of clothes.

[0016] In some embodiments, a first outlet is formed at the lowest point of the first tank in the top-bottom direction of the housing; a second outlet is formed at the lowest point of the second tank in the top-bottom direction of the housing.

[0017] In the above technical solution, a first water outlet and a second water outlet are formed at the lowest point of the first tank and the lowest point of the second tank, respectively, so that the first water outlet and the second water outlet can discharge the condensed water in the first air duct cavity and the second air duct cavity in a timely manner, so as to avoid the condensed water remaining in the inner cavity of the cooling air duct as much as possible, so as to prevent the condensed water from being evaporated into water vapor in the inner cavity of the cooling air duct for a long time, thereby affecting the humidity of the gas entering the drying air duct.

[0018] In some embodiments, in the front-rear direction of the housing, the first trough has a first rear trough wall disposed opposite to the cover plate; in the front-rear direction of the housing, a portion of the condenser plate is laid between the first rear trough wall and the cover plate, forming a first channel between the portion of the condenser plate and the first rear trough wall, and forming a second channel between the portion of the condenser plate and the cover plate; wherein at least one of the first channel and the second channel connects the first air inlet and the first air return outlet.

[0019] In the above technical solution, a first channel and a second channel are provided within the first air duct cavity, allowing at least a portion of the surface of the condenser tray on both sides of the front-rear direction of the housing to be exposed within the first air duct cavity. The surfaces of the condenser tray exposed within the first air duct cavity can exchange heat with the humid and hot air entering the cavity, increasing the heat exchange area between the condenser tray and the humid and hot air, thereby improving the dehumidification efficiency of the condenser tray and helping to increase the speed of drying clothes. Furthermore, the cooling mechanism can cool all surfaces of the condenser tray exposed within the first air duct cavity to quickly lower the temperature of the condenser tray, further improving its heat exchange efficiency.

[0020] In some embodiments, in the front-rear direction of the housing, the second trough has a second rear trough wall disposed opposite to the cover plate; in the front-rear direction of the housing, a portion of the condenser plate is laid between the second rear trough wall and the cover plate, forming a third channel between the portion of the condenser plate and the second rear trough wall, and forming a fourth channel between the portion of the condenser plate and the cover plate; wherein at least one of the third channel and the fourth channel connects the second air inlet and the second air outlet.

[0021] In the above technical solution, a third and a fourth channel are provided within the second air duct cavity, allowing at least a portion of the surface of the condenser tray on both sides of the front-rear direction of the housing to be exposed within the second air duct cavity. The exposed surfaces of the condenser tray can exchange heat with the humid air entering the second air duct cavity, increasing the heat exchange area between the condenser tray and the humid air, thereby improving the dehumidification efficiency of the condenser tray and helping to increase the speed of drying clothes. Furthermore, the cooling mechanism can cool all the exposed surfaces of the condenser tray within the second air duct cavity to quickly lower the temperature of the condenser tray, further improving its heat exchange efficiency.

[0022] In some embodiments, in the front-rear direction of the housing, the groove has a rear groove wall disposed opposite to the cover plate; the surface of the condenser plate facing the rear groove wall is a first surface, and the surface of the condenser plate facing the cover plate is a second surface; the cooling mechanism includes a first liquid inlet and a second liquid inlet disposed on the outer cylinder; the first liquid inlet is configured to provide coolant into the first air duct cavity and guide the coolant to be sprayed onto at least one of the first surface and the second surface; the second liquid inlet is configured to provide coolant into the second air duct cavity and guide the coolant to be sprayed onto at least one of the first surface and the second surface; a drain port is provided at the bottom of the outer cylinder, and the drain port is configured to discharge coolant and condensate from the outer cylinder.

[0023] In the above technical solution, the cooling mechanism uses liquid cooling to cool the condenser plate. When coolant is sprayed onto the surface of the condenser plate, the coolant also directly exchanges heat with some of the humid and hot air in the inner cavity of the cooling air duct, which can improve the heat exchange efficiency of the humid and hot air and help to increase the drying speed of clothes. Moreover, the cooling mechanism is equipped with two liquid inlets, namely the first liquid inlet and the second liquid inlet, which can cool the condenser plate in the first air duct cavity and the second air duct cavity in a timely manner to ensure the condensation performance of the condenser plate.

[0024] In some embodiments, the cooling duct includes: a duct plate laid on the rear end wall of the outer cylinder facing the inner cylinder; the duct plate having a recess, recessed in the direction close to the inner cylinder on the side of the duct plate facing the rear end wall of the outer cylinder; the space enclosed by the recess and the rear end wall of the outer cylinder forms the inner cavity of the cooling duct; a separator disposed in the recess to divide the recess into a first recess and a second recess, the space enclosed by the first recess, the separator, and the rear end wall of the outer cylinder forming a first duct cavity, and the space enclosed by the second recess, the separator, and the rear end wall of the outer cylinder forming a second duct cavity; a return air inlet formed on the rear end wall of the outer cylinder; the separator extending to the return air inlet to divide the return air inlet into a first return air inlet and a second return air inlet.

[0025] In the above technical solution, the cooling air duct is formed by the air duct plate with a concave part and the rear end wall of the outer cylinder. It only requires the addition of the air duct plate on the basis of the original product, which has the characteristics of small process modification and low modification cost. Moreover, in order to set up the cooling air duct, there is no need to open the groove on the rear end wall of the outer cylinder, so it will not affect the structural strength of the outer cylinder. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a three-dimensional structural diagram of a clothes drying device provided according to some embodiments of the present disclosure;

[0028] Figure 2 This is a three-dimensional structural diagram of a clothes drying device provided according to some embodiments of the present disclosure after removing the housing;

[0029] Figure 3 This is a side view of a clothes drying device provided according to some embodiments of the present disclosure after removing the housing;

[0030] Figure 4 for Figure 3 Schematic diagram of cross section along the AA direction;

[0031] Figure 5 This is a schematic diagram of the internal structure of a drying air duct provided according to some embodiments of the present disclosure;

[0032] Figure 6 This is a three-dimensional structural diagram of a cylindrical assembly after removing the inner cylinder, according to some embodiments of the present disclosure;

[0033] Figure 7This is a three-dimensional structural diagram of an outer cylinder at a first angle according to some embodiments of the present disclosure;

[0034] Figure 8 This is a three-dimensional structural diagram of a second angle of an outer cylinder provided according to some embodiments of the present disclosure;

[0035] Figure 9 This is a three-dimensional structural diagram of an outer cylinder after the cover plate has been removed, according to some embodiments of the present disclosure;

[0036] Figure 10 This is a three-dimensional structural diagram of a fourth angle of an outer cylinder after the cover plate is removed, according to some embodiments of this disclosure;

[0037] Figure 11 This is a three-dimensional structural diagram of an outer cylinder after removing the cover plate and condenser plate, according to some embodiments of the present disclosure;

[0038] Figure 12 This is a three-dimensional structural diagram of a fifth angle of an outer cylinder after removing the cover plate and the condensation plate in the first tank, according to some embodiments of the present disclosure.

[0039] Figure 13 This is a three-dimensional structural diagram of a fifth angle of an outer cylinder after removing the cover plate, condenser plate and partition, according to some embodiments of the present disclosure;

[0040] Figure 14 This is a side cross-sectional view of a condenser tray arranged in a first layout within a first air duct cavity, according to some embodiments of the present disclosure.

[0041] Figure 15 This is a side cross-sectional view of a condenser tray arranged in a second layout within a first air duct cavity, according to some embodiments of the present disclosure.

[0042] Figure 16 This is a side cross-sectional view of a condenser tray arranged in a third configuration within a first air duct cavity, according to some embodiments of this disclosure.

[0043] Figure 17 This is a side cross-sectional view of a condenser tray arranged in a first layout within a second air duct cavity, according to some embodiments of the present disclosure.

[0044] Figure 18 This is a side cross-sectional view of a condenser tray arranged in a second layout within a second air duct cavity, according to some embodiments of the present disclosure.

[0045] Figure 19This is a side cross-sectional view of a condenser tray arranged in a third layout within a second air duct cavity, according to some embodiments of the present disclosure.

[0046] Figure 20 This is a side sectional view of a duct plate installed on an outer cylinder according to some embodiments of the present disclosure;

[0047] Figure 21 This is a rear view structural schematic diagram of an air duct plate provided according to some embodiments of the present disclosure.

[0048] The attached figures are labeled as follows:

[0049] 1-Box body, 11-Dispensing port, 12-Door body;

[0050] 2-Outer cylinder, 21-Rear end wall, 211-Mounting hole, 22-Return air inlet, 221-First return air inlet, 222-Second return air inlet, 23-First cavity, 24-Drain outlet, 25-Cooling air duct, 251-Groove, 2511-Rear groove wall, 2512-Side groove wall, 2513-First groove, 25131-First rear groove wall, 2514-Second groove, 25141-Second rear groove wall, 252-Cover plate, 253-Divider, 2541-First channel, 2542-Second channel, 2551-Third channel, 2552-Fourth channel, 2561-First air inlet, 2562-Second air inlet, 2571-First water outlet, 2572-Second water outlet;

[0051] 3-Door seal ring;

[0052] 4-Inner cylinder, 41-Drying chamber, 42-Rotating shaft assembly, 43-Through hole;

[0053] 5-Drying air duct, 51-Heating device, 52-Fan, 53-Air guide pipe;

[0054] 6-Condensation plate, 61-First surface, 62-Second surface;

[0055] 7-Cooling mechanism, 71-First liquid inlet, 72-Second liquid inlet;

[0056] 8-Screw post;

[0057] 9-air duct plate, 91-recess, 911-first recess, 912-second recess. Detailed Implementation

[0058] The present disclosure will be further described in detail below with reference to the accompanying drawings and embodiments. Through these descriptions, the features and advantages of the present disclosure will become clearer and more apparent.

[0059] Unless otherwise defined, all technical and scientific terms used in this disclosure have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs; the terminology used in this disclosure is for the purpose of describing particular embodiments only and is not intended to limit this disclosure; the terms “comprising” and “having” and any variations thereof in the specification and the foregoing description of this disclosure are intended to cover non-exclusive inclusion.

[0060] The term "embodiment" as used in this disclosure means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this disclosure. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment that is mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described in this disclosure can be combined with other embodiments.

[0061] The specific term "exemplary" used in this disclosure means "serving as an example, embodiment, or illustration." Any embodiment illustrated as "exemplary" is not necessarily to be construed as superior or better than other embodiments. Although various aspects of embodiments are shown in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated otherwise.

[0062] In the description of this disclosure, the technical terms “first,” “second,” “third,” etc., are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly indicating the number, specific order, or primary or secondary relationship of the indicated technical features.

[0063] In the description of this disclosure, the technical term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects are in an "or" relationship.

[0064] In the description of this disclosure, the technical terms "upper", "lower", "inner", "outer", "front", "back", "left", "right", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship under the working state of this disclosure. They are only for the convenience of describing this disclosure and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.

[0065] In the description of this disclosure, unless otherwise expressly specified and limited, the technical terms "installation," "connection," "joining," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this disclosure based on the specific circumstances.

[0066] In the description of this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0067] In the description of this disclosure, "multiple" means two or more (including two), unless otherwise expressly and specifically limited.

[0068] In the description of this disclosure, the same reference numerals denote the same components, and for brevity, detailed descriptions of the same components are omitted in different embodiments. It should be understood that the thickness, length, and other dimensions of various components in the embodiments of this disclosure shown in the drawings, as well as the overall thickness, length, and other dimensions of the integrated device, are merely illustrative and should not constitute any limitation on this disclosure.

[0069] As part of the inventive concept of this disclosure, before describing the embodiments of this disclosure, it is necessary to analyze the reasons for the low dehumidification efficiency of the condenser due to insufficient contact between the condenser and the humid air in the related art, and obtain the technical solution of the embodiments of this disclosure through reasonable analysis.

[0070] In related technologies, with social progress and technological development, clothes dryers have become common household appliances. As living standards improve rapidly, people are using clothes dryers more frequently and demanding higher performance. Currently, clothes dryers on the market use a heating device to heat air into dry hot air. This dry hot air then penetrates the clothes, creating humid hot air. This humid hot air is then heated again to remove moisture before continuing to penetrate the clothes, repeating this cycle multiple times to achieve the purpose of drying the clothes. To improve drying heat exchange efficiency, a condenser plate is often installed inside the outer drum to remove moisture from the humid hot air. During drying, dry hot air comes into contact with wet clothes to form humid hot air. This humid hot air then comes into contact with the condenser coil, causing its temperature to drop rapidly and condensing the moisture in the air to form relatively dry cold air. This relatively dry cold air is drawn into the drying duct through the return air vent. The heating device in the drying duct heats this relatively dry cold air back into dry hot air for use in drying clothes. During this process, the temperature of the condenser coil rises after heat exchange with the humid hot air, requiring a cooling mechanism to lower its temperature and ensure its condensation performance. However, during the cooling process of the condenser coil, some humid hot air may bypass the condenser coil and enter the drying duct directly through the return air vent. This results in insufficient contact between the condenser coil and the humid hot air inside the outer drum, leading to low dehumidification efficiency of the condenser coil. The dehumidified air has a high moisture content and is more likely to reach saturated vapor pressure, which is not conducive to the evaporation of moisture from the clothes and fails to meet the requirements for rapid drying.

[0071] To address this, the present disclosure provides a clothes drying device. By setting a cooling air duct on the inner side of the rear end wall of the outer cylinder and installing a condenser plate inside the cooling air duct, and with the help of a fan, hot and humid air can be introduced into the cooling air duct and fully contact the surface of the condenser plate. The water vapor in the hot and humid air is quickly condensed into water and discharged, which can significantly reduce the moisture content in the hot and humid air, thereby solving the technical problem of low dehumidification efficiency of the condenser plate in the prior art.

[0072] The technical solutions of the embodiments of this disclosure are described in detail below with reference to the accompanying drawings. The technical features involved in the different embodiments of this disclosure described below can be combined with each other as long as they do not conflict with each other.

[0073] The drying equipment can be a drum dryer or a drum washer-dryer combo, etc. For the convenience of describing the following embodiments, the structure of the drying equipment will be specifically described below using a drum washer-dryer combo as an example.

[0074] Please refer to the above. Figures 1 to 13 , Figure 1 A three-dimensional structural diagram of a clothes drying device is provided, showing a specific construction of the housing. Figures 2 to 4A schematic diagram of a clothes drying device with the casing removed is provided at different angles; it shows a structural relationship between the outer drum, the inner drum, and the drying air duct. Figure 5 A schematic diagram of the internal structure of a drying air duct is provided; it shows a specific construction of the drying air duct. Figures 6 to 13 A three-dimensional structural diagram of the outer cylinder at different angles is provided; it shows the internal structure of the outer cylinder and the specific layout of the cooling air duct, condenser plate and cooling mechanism on the outer cylinder.

[0075] An embodiment of this disclosure provides a clothes drying device, such as... Figure 1 and Figure 2 As shown, the clothes drying equipment includes a housing 1 and an outer cylinder 2, an inner cylinder 4, and a drying air duct 5 disposed inside the housing 1. The inner cylinder 4 is disposed inside the outer cylinder 2 and can hold clothes; the drying air duct 5 is disposed outside the outer cylinder 2 and can supply dry hot air to the inner cylinder 4 to dry the clothes.

[0076] In this embodiment, as Figure 1 As shown, the housing 1 forms the outer shell of the drying equipment, which is usually a rectangular hollow structure. The appearance of the housing 1 can be designed as needed and is not limited here. The housing 1 is provided with a receiving cavity, which can provide installation space for components such as the outer cylinder 2, the inner cylinder 4 and the drying air duct 5.

[0077] Furthermore, the housing 1 is provided with a dispensing port 11, which can be approximately circular and located on the front end face of the housing 11. The dispensing port 11 is connected to the receiving cavity.

[0078] In addition, a door 12 is installed on the housing 1. The door 12 is movably connected to the housing 1 near the dispensing port 11 via a hinge shaft to open or close the dispensing port 11.

[0079] In this embodiment, as Figures 1 to 4 As shown, the outer cylinder 2 is disposed in the receiving cavity of the box body 1. The outer cylinder 2 is a shell structure with an open front end. The opening at the front end of the outer cylinder 2 is the first cylinder opening, which is connected to the inner cavity of the outer cylinder 2 and is disposed opposite to the delivery port 11.

[0080] Specifically, the outer cylinder 2 can be formed by an outer peripheral wall and a rear end wall 21. The front end of the outer peripheral wall is provided with a first cylinder opening, and the rear end of the outer peripheral wall is sealed with a rear end wall 21, so that the rear end wall 21 is arranged opposite to the first cylinder opening.

[0081] Furthermore, a return air inlet 22 is provided on the inner side of the outer cylinder 2; for example, the return air inlet 22 is provided on the rear end wall 21 of the outer cylinder 2. The return air inlet 22 can be connected to the drying air duct 5, and the gas in the inner cavity of the outer cylinder 2 can be drawn into the drying air duct 5 through the return air inlet 22.

[0082] In addition, a door seal ring 3 is provided between the first cylinder opening and the inlet 11. The door seal ring 3 is roughly in the shape of a ring and can seal the gap between the first cylinder opening and the inlet 11 to prevent water in the outer cylinder 2 from flowing into the receiving cavity of the tank 1.

[0083] In this embodiment, as Figures 1 to 4 As shown, the inner cylinder 4 is disposed in the inner cavity of the outer cylinder 2. The inner cylinder 4 is rotatably connected to the rear end wall 21 of the outer cylinder 2 through the rotating shaft assembly 42. The rotating shaft assembly 42 can pass through the rear end wall 21 from front to back. The inner cylinder 4 and the outer cylinder 2 can be arranged coaxially inside and outside.

[0084] Specifically, the inner cylinder 4 is a shell structure with an open front end. A drying chamber 41 is formed inside the inner cylinder 4. The drying chamber 41 can hold clothes. The opening at the front end of the inner cylinder 4 is a second cylinder opening, which is connected to the drying chamber 41 and is positioned opposite to the first cylinder opening. When the door 12 is opened, clothes can be put into the drying chamber 41 through the loading port 11, the first cylinder opening, and the second cylinder opening, or clothes can be taken out of the drying chamber 41.

[0085] Furthermore, the cavity between the inner cylinder 4 and the outer cylinder 2 is the first cavity 23. It should be understood that the first cavity 23 is part of the inner cavity of the outer cylinder 2. A through hole 43 is provided on the side wall of the inner cylinder 4. The through hole 43 allows the drying cavity 41 to be connected to the first cavity 23. Since the return air port 22 is exposed inside the first cavity 23, the drying cavity 41 can be connected to the return air port 22 through the first cavity 23.

[0086] In this embodiment, as Figure 2 and Figure 3 As shown, the drying air duct 5 is located outside the outer cylinder 2. One end of the drying air duct 5 is connected to the return air port 22, and the other end of the drying air duct 5 is connected to the drying chamber 41, so that the drying chamber 41, the first chamber 23, the return air port 22 and the drying air duct 5 can form an air drying circulation loop.

[0087] The drying duct 5 is configured to supply gas for drying clothes into the drying chamber 41 and to extract gas from the first chamber 23 through the return air vent 22.

[0088] Specifically, such as Figure 5 As shown, a heating device 51 and a fan 52 are installed inside the drying duct 5. The heating device 51 heats the air inside the drying duct 5, generating high-temperature air. The fan 52 provides airflow, allowing the high-temperature air inside the drying duct 5 to enter the drying chamber 41 of the inner cylinder 4 and dry the clothes inside the drying chamber 41. Simultaneously, under the action of the fan 52, air in the first chamber 23 can also be drawn back into the drying duct 5 through the return air port 22.

[0089] Optionally, an air guide pipe 53 is provided through the door seal ring 3. The air guide pipe 53 is connected to one end of the drying air duct 5. The air guide pipe 53 is set towards the second cylinder opening of the inner cylinder 4 and can send the high temperature air in the drying air duct 5 into the drying chamber 41 through the second cylinder opening.

[0090] In this embodiment, the clothes drying equipment also includes a cooling duct 25, a condenser plate 6, and a cooling mechanism 7. The condenser plate 6 is placed in the cooling duct 25 and comes into contact with and exchanges heat with the humid and hot air in the cooling duct 25. The cooling mechanism 7 can cool down the condenser plate 6.

[0091] Regarding cooling air duct 25, such as Figures 6 to 8 As shown, a cooling air duct 25 is formed on the side of the rear end wall 21 of the outer cylinder 2 facing the inner cylinder 4. A return air port 22 is formed in the inner cavity of the cooling air duct 25, and the return air port 22 is connected to the first cavity 23 through the inner cavity of the cooling air duct 25.

[0092] With the above structural design, under the suction action of the fan 52 in the drying duct 5, the humid and hot air in the drying chamber 41 can be forced to be drawn into the inner cavity of the cooling duct 25 through the first cavity 23, and then enter the drying duct 5 again through the return air port 22. Moreover, a condenser plate 6 is provided in the inner cavity of the cooling duct 25, and with the action of the fan 52, the humid and hot air in the inner cavity of the cooling duct 25 can flow through the condenser plate 6. The humid and hot air makes full contact with the surface of the condenser plate 6, and the water vapor in the humid and hot air is quickly condensed into water and discharged, which can greatly reduce the moisture content in the humid and hot air, turning the humid and hot air into dry and cold air with low moisture content, thus improving the dehumidification efficiency of the condenser plate 6. After the dry and cold air enters the drying duct 5 through the return air port 22, it can be heated into dry and hot air with low moisture content. The dry and hot air can continue to dry the clothes, which is conducive to the evaporation of moisture in the clothes, thereby improving the drying efficiency, shortening the drying time, and increasing the speed of drying clothes.

[0093] Furthermore, such as Figure 11 As shown, the cooling air duct 25 is provided with a partition 253, which divides the inner cavity of the cooling air duct 25 into a first air duct cavity and a second air duct cavity, and divides the return air inlet 22 into a first return air inlet 221 and a second return air inlet 222. The first air duct cavity is connected to the first return air inlet 221, and the second air duct cavity is connected to the second return air inlet 222.

[0094] The partition 253 can be integrally formed with the rear end wall 21 of the outer cylinder 2, that is, the partition 253 is part of the rear end wall 21 of the outer cylinder 2; or, the partition 253 can be a baffle, which is installed inside the cooling air duct 25 and divides the inner cavity of the cooling air duct 25 into a first air duct cavity and a second air duct cavity that are independent of each other.

[0095] Moreover, such as Figure 7 As shown, the cooling air duct 25 includes a first air inlet 2561 and a second air inlet 2562. The first air inlet 2561 connects the first cavity 23 and the first air duct cavity, so that the first cavity 23 is connected to the first return air inlet 221 via the first air duct cavity; the second air inlet 2562 connects the first cavity 23 and the second air duct cavity, so that the first cavity 23 is connected to the second return air inlet 222 via the second air duct cavity.

[0096] Based on the above structural design, the air circulation process in the drying equipment is as follows: Under the suction of the fan 52 in the drying duct 5, part of the gas in the drying chamber 41 enters the first duct cavity through the first cavity 23 and the first air inlet 2561, and flows back to the drying duct 5 from the first return air inlet 221; at the same time, part of the gas in the drying chamber 41 also enters the second duct cavity through the first cavity 23 and the second air inlet 2562, and flows back to the drying duct 5 from the second return air inlet 222; the gas entering the drying duct 5 is heated and then transported to the drying chamber 41 to dry the clothes, thus realizing the air circulation in the drying equipment.

[0097] In the above structural design, the inner cavity of the cooling air duct 25 is divided into a first air duct cavity and a second air duct cavity, which has the following advantages:

[0098] Firstly, the inner cavity of the cooling air duct 25 is divided into two air duct chambers by the separator 253, namely the first air duct chamber and the second air duct chamber. These two air duct chambers can independently guide the gas in the drying chamber 41 back to the drying air duct 5. It can be regarded as that two independent cooling air ducts 25 are set inside the outer cylinder 2. Using two independent cooling air ducts 25 to cool the flowing hot and humid air can greatly improve the condensation efficiency of water vapor in the hot and humid air in the drying equipment, and reduce the moisture content in the hot and humid air in a large amount and quickly, which is conducive to improving the drying speed of clothes.

[0099] Secondly, under the action of the separator 253, the airflow in the two air ducts is separated, which can prevent the gas in the two air ducts from entering each other's internal cavities, and can guide the gas in the two air ducts to enter the drying air duct 5 through the first return air port 221 and the second return air port 222 respectively, thereby increasing the gas flow speed in the drying equipment, increasing the flow of hot dry air, and thus increasing the drying speed of clothes.

[0100] Thirdly, since the separator 253 divides the return air inlet 22 into two air inlets, namely the first return air inlet 221 and the second return air inlet 222, which are connected to the two air duct cavities respectively, the fan 52 in the drying air duct 5 simultaneously performs suction operation on the two air duct cavities when it is working. The suction force of the fan 52 is distributed to the two air duct cavities, so that the air force in each air duct cavity is relatively weakened. The flow speed of the humid and hot air in the two air duct cavities is slowed down, which helps the humid and hot air to fully contact and exchange heat with the condensation plate 6 in the two air duct cavities, improves the condensation efficiency of water vapor in the humid and hot air, and thus improves the drying speed of clothes. At the same time, after the air force in the two air duct cavities is weakened, it can also prevent condensate and the cooling medium (such as coolant) flowing on the surface of the condensation plate 6 to cool it down under the action of the fan 52 from being sucked into the drying air duct 5 with the airflow, which would corrode the drying air duct 5 and affect the humidity of the gas in the drying air duct 5.

[0101] Furthermore, such as Figure 7 and Figure 11 As shown, the cooling air duct 25 also includes a first water outlet 2571 and a second water outlet 2572. The first water outlet 2571 is connected to the first air duct cavity; the second water outlet 2572 is connected to the second air duct cavity.

[0102] With the above structural design, the condensed water can be discharged in time through the first water outlet 2571 and the second water outlet 2572, so as to prevent the condensed water from being evaporated into water vapor in the first air duct cavity and the second air duct cavity for a long time, thereby affecting the humidity of the gas entering the drying air duct 5.

[0103] It should be understood that if the first air inlet 2561 is formed at the lowest point of the first air duct cavity in the top-to-bottom direction of the housing 1, the first air inlet 2561 can be used as the first water outlet 2571, without the need for a separate first water outlet 2571. Similarly, if the second air inlet 2562 is formed at the lowest point of the second air duct cavity in the top-to-bottom direction of the housing 1, the second air inlet 2562 can be used as the second water outlet 2572, without the need for a separate second water outlet 2572. The above structural design simplifies the manufacturing process of the cooling air duct 25, reduces costs, and enhances the overall structural strength of the cooling air duct 25.

[0104] Regarding condenser plate 6, as follows Figure 6 , Figure 9 , Figure 10 As shown, the condenser plate 6 is disposed in the inner cavity of the cooling air duct 25; specifically, part of the condenser plate 6 is disposed in the first air duct cavity, and part of the condenser plate 6 is disposed in the second air duct cavity.

[0105] The condenser plate 6 is configured to condense water vapor in the gas flowing over its surface into condensate, and collect the condensate at the first outlet 2571 and the second outlet 2572 for discharge from the first and second air duct chambers. The condenser plate 6 acts as a condenser, condensing the air flowing through the first and second air duct chambers to dehumidify it. Specifically, the air in the first and second air duct chambers can exchange heat with the condenser plate 6, removing moisture and lowering its temperature, before re-entering the drying air duct 5 through the first return air inlet 221 and the second return air inlet 222.

[0106] Optionally, the condenser plate 6 and the cooling duct 25 can have the same structure and curvature, so that the condenser plate 6 has a larger heat exchange area in the cooling duct 25.

[0107] For example, one structure of the condenser plate 6 may be: the condenser plate 6 is generally in the shape of a circular annular plate with a notch; wherein the condenser plate 6 can be inserted through the partition 253, and a portion of the condenser plate 6 is placed in the first air duct cavity, and a portion of the condenser plate 6 is placed in the second air duct cavity.

[0108] For example, another structure of the condenser plate 6 can be: the condenser plate 6 is generally in the shape of an arc plate, and there are two condenser plates 6, which are respectively placed in the first air duct cavity and the second air duct cavity.

[0109] Alternatively, the condenser plate 6 may be made of metal.

[0110] Specifically, the condenser tray 6 can be made of stainless steel or aluminum alloy. Utilizing the properties of the metal material, the thermal conductivity of the condenser tray is much higher than that of plastic, resulting in high heat exchange efficiency. This allows humid air to be cooled first by the metal condenser tray, achieving a better dehumidification effect. This improves the heat exchange efficiency with the air, thereby enhancing the condensation efficiency of the dryer and shortening the drying time.

[0111] Of course, the condenser plate 6 can also be made of other materials with high thermal conductivity, and there are no restrictions here.

[0112] Regarding cooling mechanism 7, such as Figures 8 to 13 As shown, the temperature of the condenser plate 6 rises after exchanging heat with the humid air. Therefore, a cooling mechanism 7 is needed to cool the condenser plate 6 to maintain its good condensation performance.

[0113] The cooling mechanism 7 can use liquid cooling or air cooling to cool the condenser plate 6, and there are no restrictions on this.

[0114] Please refer to the above. Figure 3 , Figure 4 , Figures 7 to 13 , Figure 20and Figure 21 , Figure 3 and Figure 4 A schematic diagram of a clothes dryer at different angles after removing the casing is provided; it shows a specific layout of the rotating shaft assembly between the outer and inner drums. Figures 7 to 13 A three-dimensional structural diagram of the outer cylinder at different angles is provided; it shows the specific structure of a cooling air duct mainly composed of grooves and cover plates. Figure 20 and Figure 21 A schematic diagram of the assembly between the air duct plate and the outer cylinder is provided; it shows the specific structure of another cooling air duct mainly composed of the air duct plate and the outer cylinder.

[0115] In some embodiments, such as Figure 7 , Figure 11 and Figure 13 As shown, the cooling air duct 25 also includes a groove 251 and a cover plate 252.

[0116] Among them, the groove 251 is recessed in the side of the rear end wall 21 of the outer cylinder 2 facing the inner cylinder 4 in a direction away from the inner cylinder 4; the cover plate 252 is laid at the groove opening of the groove 251, and the space between the cover plate 252 and the groove 251 forms the inner cavity of the cooling air duct 25.

[0117] Specifically, the groove 251 includes a rear groove wall 2511, a side groove wall 2512, and a groove opening. In the front-rear direction of the housing 1, the rear groove wall 2511 is disposed opposite to the cover plate 252, and the groove opening is disposed opposite to the rear groove wall 2511. The side groove wall 2512 is formed between the rear groove wall 2511 and the groove opening.

[0118] A partition 253 is provided in the groove 251. The edge of the partition 253 extends to the rear groove wall 2511 and the side groove wall 2512 to divide the groove 251 into two independent groove structures, namely the first groove 2513 and the second groove 2514. The edge of the partition 253 also extends towards the groove opening to the cover plate 252 to divide the inner cavity of the cooling air duct 25 into the first air duct cavity and the second air duct cavity. The first air duct cavity is the space formed by the first groove 2513, the partition 253 and the cover plate 252, and the second air duct cavity is the space formed by the second groove 2514, the partition 253 and the cover plate 252.

[0119] A return air inlet 22 is also provided in the groove 251; exemplarily, the return air inlet 22 is formed on the side groove wall 2512 and is located close to the outer peripheral wall of the outer cylinder 2. The edge of the separator 253 can also extend to the return air inlet 22 to divide the return air inlet 22 into a first return air inlet 221 and a second return air inlet 222.

[0120] Optionally, the cover plate 252 can be an integrally formed long arc-shaped plate, which is laid on the first groove 2513 and the second groove 2514 to form the first air duct cavity and the second air duct cavity; or, the cover plate 252 can be two short arc-shaped plates, which are laid on the first groove 2513 and the second groove 2514 respectively to form the first air duct cavity and the second air duct cavity.

[0121] With the above structural design, the cooling air duct 25 is formed by the groove 251 and the cover plate 252. The groove 251 is recessed in the rear end wall 21 of the outer cylinder 2 in the direction away from the inner cylinder 4, and the cover plate 252 is laid at the groove opening of the groove 251. This design will not occupy too much space between the rear end wall 21 of the outer cylinder 2 and the rear end of the inner cylinder 4, which can save installation space and facilitate the reasonable assembly between the outer cylinder 2 and the inner cylinder 4. It can make the structural layout of the entire drying equipment in the front and rear directions of the box 1 more compact and reasonable.

[0122] Of course, the cooling air duct 25 is not limited to the above-mentioned structural method. Another specific structure of the cooling air duct 25 can be: such as Figure 20 and Figure 21 As shown, the cooling air duct 25 includes an air duct plate 9, which has a recess 91. Along the direction close to the inner cylinder 4, the recess 91 is recessed in the side of the air duct plate 9 facing the rear end wall 21 of the outer cylinder 2; and the air duct plate 9 is laid on the side of the rear end wall 21 of the outer cylinder 2 facing the inner cylinder 4.

[0123] The space enclosed by the recess 91 and the rear end wall 21 of the outer cylinder 2 forms the inner cavity of the cooling air duct; the partition 253 is disposed in the recess 91 to divide the recess 91 into a first recess 911 and a second recess 912. The space enclosed by the first recess 911, the partition 253 and the rear end wall 21 of the outer cylinder 2 forms the first air duct cavity, and the space enclosed by the second recess 912, the partition 253 and the rear end wall 21 of the outer cylinder 2 forms the second air duct cavity.

[0124] Accordingly, a return air vent is formed on the rear end wall 21 of the outer cylinder 2, and a separator 253 extends to the return air vent to divide the return air vent into a first return air vent and a second return air vent.

[0125] Accordingly, the first air inlet and the first water outlet are opened on the air duct plate 9 and are respectively connected to the first air duct cavity, and the second air inlet and the second water outlet are opened on the air duct plate 9 and are respectively connected to the second air duct cavity.

[0126] With the above structural design, the cooling air duct 25 is formed by the air duct plate 9 with the recess 91 and the rear end wall 21 of the outer cylinder 2. Only the air duct plate 9 needs to be added to the original product, which has the characteristics of small process modification and low modification cost. Moreover, in order to set up the cooling air duct 25, there is no need to open the groove 251 on the rear end wall 21 of the outer cylinder 2, so it will not affect the structural strength of the outer cylinder 2.

[0127] To facilitate the description of the following embodiments, the structure of the clothes drying equipment will be specifically described below using the cooling air duct 25 formed by the groove 251 and the cover plate 252 as an example.

[0128] Optionally, such as Figure 3 and Figure 4 As shown, a rotating shaft assembly 42 is provided on the side of the inner cylinder 4 facing the rear end wall 21 of the outer cylinder 2. The rotating shaft assembly 42 is configured to allow the inner cylinder 4 to rotate inside the outer cylinder 2; correspondingly, as Figure 7 As shown, an installation hole 211 is provided on the rear end wall 21 of the outer cylinder 2 for the rotating shaft assembly 42 to pass through; after the rotating shaft assembly 42 passes through the installation hole 211, it can be connected to the motor drive, so that the inner cylinder 4 can rotate inside the outer cylinder 2 under the drive of the motor.

[0129] For the rear end wall 21 of the outer cylinder 2 with the mounting hole 211, the specific layout of the groove 251 in the cooling air duct 25 on the rear end wall 21 of the outer cylinder 2 can be as follows: Figure 13 As shown, the groove 251 extends circumferentially around the mounting hole 211 and surrounds the outer periphery of the mounting hole 211, and at least part of the groove 251 surrounds the top of the mounting hole 211.

[0130] With the above structural design, the groove 251 is formed on the inner side of the rear end wall 21 of the outer cylinder 2 and surrounds the outer periphery of the mounting hole 211. Under reasonable conditions, the groove 251 can have a larger layout area, thereby making the layout space of the cooling air duct 25 larger. A larger condenser plate 6 can be arranged in the groove 251, so that the hot and humid air can have more sufficient contact and heat exchange with the condenser plate 6, thereby improving the condensation efficiency of water vapor in the hot and humid air, reducing the moisture content in the hot and humid air in a large amount and rapidly, which is beneficial to improving the drying speed of clothes.

[0131] Optionally, such as Figure 7 and Figure 13 As shown, the cover plate 252 covers part of the groove 251, so that the part of the groove 251 that is not covered by the cover plate 252 forms a first air inlet 2561 and a second air inlet 2562.

[0132] By adopting the above structural design, the part of the groove 251 that is not covered by the cover plate 252 is used as the first air inlet 2561 and the second air inlet 2562. That is, the first air inlet 2561 and the second air inlet 2562 are both part of the structure of the groove 251. There is no need to process it separately on the cover plate 252, which can simplify the process and avoid affecting the strength of the cover plate 252 due to opening holes in the cover plate 252.

[0133] Optionally, such as Figure 7 and Figure 9 As shown, the first air inlet 2561 is located at the end of the first trough 2513 away from the first return air inlet 221; the second air inlet 2562 is located at the end of the second trough 2514 away from the second return air inlet 222.

[0134] By adopting the above structural design, the first air inlet 2561 and the first return air inlet 221 are placed at opposite ends of the first trough 2513, so that the humid and hot air entering from the first air inlet 2561 can flow through the complete first air duct cavity and then enter the drying air duct 5 from the first return air inlet 221. This increases the flow path of the humid and hot air in the first air duct cavity. Furthermore, since a condenser plate 6 is installed in the first air duct cavity, the humid and hot air can have more thorough contact with the surface of the condenser plate 6, which can improve the dehumidification efficiency of the condenser plate 6 and help to increase the speed of drying clothes.

[0135] Similarly, the second air inlet 2562 and the second return air inlet 222 are placed at opposite ends of the second trough 2514, so that the hot and humid air entering from the second air inlet 2562 can flow through the complete second air duct cavity and then enter the drying air duct 5 from the second return air inlet 222. This increases the flow path of the hot and humid air in the second air duct cavity. Since a condenser plate 6 is installed in the second air duct cavity, the hot and humid air can make more thorough contact with the surface of the condenser plate 6, which can improve the dehumidification efficiency of the condenser plate 6 and help to increase the speed of drying clothes.

[0136] Furthermore, such as Figure 7 and Figure 11 As shown, the first outlet 2571 is formed at the lowest point of the first tank 2513 in the top-bottom direction of the box 1; the second outlet 2572 is formed at the lowest point of the second tank 2514 in the top-bottom direction of the box 1.

[0137] With the above structural design, a first water outlet 2571 and a second water outlet 2572 are formed at the lowest point of the first tank 2513 and the lowest point of the second tank 2514, respectively. This allows the first water outlet 2571 and the second water outlet 2572 to discharge the condensed water in the first air duct cavity and the second air duct cavity in a timely manner, so as to avoid the condensed water remaining in the inner cavity of the cooling air duct 25 as much as possible, so as to prevent the condensed water from being evaporated into water vapor in the inner cavity of the cooling air duct 25 for a long time, thereby affecting the humidity of the gas entering the drying air duct 5.

[0138] Optionally, such as Figure 11 As shown, the first outlet 2571 and the second outlet 2572 are both groove structures formed on the rear end wall 21 of the outer cylinder 2, and the groove structure is recessed in the direction away from the inner cylinder 4 on the side of the rear end wall 21 of the outer cylinder 2 facing the inner cylinder 4.

[0139] The first water outlet 2571 and the second water outlet 2572 both adopt a groove structure design, and the groove structure is formed on the rear end wall 21 of the outer cylinder 2. This allows the condensate water accumulated at the first water outlet 2571 and the second water outlet 2572 to flow down along the rear end wall 21 of the outer cylinder 2, which can minimize the splashing of condensate water flowing out from the first water outlet 2571 and the second water outlet 2572 into the inner cylinder 4, which would wet the clothes and affect the drying speed and effect.

[0140] It should be understood that, based on the specific shape of the first groove 2513 and the second groove 2514 in the groove 251, other water outlets can be opened at the locations where condensate is likely to accumulate in the first groove 2513 and the second groove 2514, so as to avoid condensate remaining in the first air duct cavity and the second air duct cavity as much as possible.

[0141] Please refer to the above. Figures 14 to 16 , Figures 14 to 16 A schematic diagram of a condenser plate arrangement within a first air duct cavity is provided; it illustrates three arrangement methods of the condenser plate within the first air duct cavity.

[0142] In some embodiments, such as Figures 14 to 16 As shown, in the front-rear direction of the housing 1, the first groove 2513 has a first rear groove wall 25131 disposed opposite to the cover plate 252; in the front-rear direction of the housing 1, a portion of the condenser plate 6 is laid between the first rear groove wall 25131 and the cover plate 252, so that a first channel 2541 is formed between the portion of the condenser plate 6 and the first rear groove wall 25131, and a second channel 2542 is formed between the portion of the condenser plate 6 and the cover plate 252; wherein, at least one of the first channel 2541 and the second channel 2542 connects the first air inlet 2561 and the first air return outlet 221.

[0143] Based on the above structural design, the specific layout of the condenser plate 6 within the first air duct cavity includes, but is not limited to, the following methods:

[0144] The first layout method: such as Figure 14 As shown, in the front and rear direction of the housing 1, the condenser plate 6 is arranged at intervals with the first rear groove wall 25131 and the cover plate 252, so that the first channel 2541 and the second channel 2542 can both be connected to the first air inlet 2561 and the first air return outlet 221.

[0145] With the above structural design, a first channel 2541 and a second channel 2542 are provided in the first air duct cavity, so that the surfaces of the condenser plate 6 on both sides in the front-rear direction of the housing 1 can be fully exposed in the first air duct cavity. Furthermore, the surfaces of the condenser plate 6 exposed in the first air duct cavity can exchange heat with the humid and hot air entering the first air duct cavity, increasing the heat exchange area between the condenser plate 6 and the humid and hot air, thereby improving the dehumidification efficiency of the condenser plate 6 and helping to increase the speed of drying clothes. Moreover, the cooling mechanism 7 can cool all the surfaces of the condenser plate 6 exposed in the first air duct cavity to quickly lower the temperature of the condenser plate 6, which can improve the heat exchange efficiency of the condenser plate 6.

[0146] The second layout method: such as Figure 15 As shown, in the front-rear direction of the housing 1, the condenser plate 6 is closer to the first rear groove wall 25131 than the cover plate 252, so that the first channel 2541 cannot connect the first air inlet 2561 and the first return air inlet 221, while the second channel 2542 can connect the first air inlet 2561 and the first return air inlet 221.

[0147] With the above structural design, the first groove 2513 is formed on the rear end wall 21 of the outer cylinder 2, and the condenser plate 6 is set closer to the first rear groove wall 25131 in the first air duct cavity. Since the structure of the rear end wall 21 of the outer cylinder 2 is strong, the assembled condenser plate 6 can be strongly supported and more stable. It can prevent the condenser plate 6 from becoming unstable or even deformed due to the excessive air volume and speed entering the first air duct cavity, so as to ensure the structural stability of the condenser plate 6 and reduce the impact of vibration generated during the operation of the drying equipment on the stability of the condenser plate 6.

[0148] The third layout method: such as Figure 16 As shown, in the front-rear direction of the housing 1, the condenser plate 6 is closer to the cover plate 252 than the first rear groove wall 25131, so that the first channel 2541 can connect the first air inlet 2561 and the first return air inlet 221, while the second channel 2542 cannot connect the first air inlet 2561 and the first return air inlet 221.

[0149] With the above structural design, the condenser tray 6 is positioned closer to the cover plate 252 in the first air duct cavity, so that the cover plate 252 can provide support for the condenser tray 6 and improve the stability of the condenser tray 6 after assembly. Moreover, the condenser tray 6 can also exchange heat with the cover plate 252, so that the surface of the cover plate 252 facing the inner cylinder 4 can exchange heat with the humid and hot air in the first cavity 23, which can improve the dehumidification efficiency of the humid and hot air and help to increase the speed of drying clothes.

[0150] Please refer to the above. Figures 17 to 19 , Figures 17 to 19 A schematic diagram of a condenser plate arrangement within a second air duct cavity is provided; it illustrates three arrangement methods of the condenser plate within the second air duct cavity.

[0151] In some embodiments, such as Figures 17 to 19 As shown, in the front-rear direction of the housing 1, the second trough 2514 has a second rear trough wall 25141 disposed opposite to the cover plate 252; in the front-rear direction of the housing 1, a portion of the condenser plate 6 is laid between the second rear trough wall 25141 and the cover plate 252, so that a third channel 2551 is formed between the portion of the condenser plate 6 and the second rear trough wall 25141, and a fourth channel 2552 is formed between the portion of the condenser plate 6 and the cover plate 252; wherein, at least one of the third channel 2551 and the fourth channel 2552 connects the second air inlet 2562 and the second air return outlet 222.

[0152] Based on the above structural design, the specific layout of the condenser plate 6 within the second air duct cavity includes, but is not limited to, the following methods:

[0153] The first layout method: such as Figure 17 As shown, in the front and rear direction of the housing 1, the condenser plate 6 is arranged at intervals with the second rear groove wall 25141 and the cover plate 252, so that the third channel 2551 and the fourth channel 2552 can both be connected to the first air inlet 2561 and the first air return outlet 221.

[0154] The second layout method: such as Figure 18 As shown, in the front-rear direction of the housing 1, the condenser plate 6 is closer to the second rear groove wall 25141 than the cover plate 252, so that the third channel 2551 cannot connect the first air inlet 2561 and the first return air inlet 221, while the fourth channel 2552 can connect the first air inlet 2561 and the first return air inlet 221.

[0155] The third layout method: such as Figure 19 As shown, in the front-rear direction of the housing 1, the condenser plate 6 is closer to the cover plate 252 than the second rear groove wall 25141, so that the third channel 2551 can connect the first air inlet 2561 and the first return air inlet 221, while the fourth channel 2552 cannot connect the first air inlet 2561 and the first return air inlet 221.

[0156] Since the specific layout of the condenser plate 6 in the second air duct cavity is similar to that in the first air duct cavity, the technical effects corresponding to the specific layout of the condenser plate 6 in the second air duct cavity can be referred to the technical effects corresponding to the three layout methods of the condenser plate 6 in the first air duct cavity mentioned above, and will not be repeated here.

[0157] It should be noted that the specific layout of the condenser tray 6 in the first air duct cavity can be consistent with its layout in the second air duct cavity. For example, the first layout can be used in both the first and second air duct cavities. Alternatively, the layout of the condenser tray 6 in the first and second air duct cavities can differ. For example, the first layout can be used in the first air duct cavity, while the second or third layout can be used in the second air duct cavity. The specific layout of the condenser tray 6 in the first and second air duct cavities can be adapted to the product design requirements and is not limited here.

[0158] Please refer to the above. Figures 8 to 19 As shown, Figures 8 to 13 A three-dimensional structural diagram of the outer cylinder at different angles is provided; it shows the specific layout of the cooling mechanism on the outer cylinder. Figures 14 to 16 A schematic diagram of a condenser plate arrangement within a first air duct cavity is provided; it illustrates three arrangement methods of the condenser plate within the first air duct cavity. Figures 17 to 19 A schematic diagram of a condenser plate arrangement within a second air duct cavity is provided; it illustrates three arrangement methods of the condenser plate within the second air duct cavity.

[0159] In some embodiments, such as Figures 8 to 13 As shown, in the front-rear direction of the housing 1, the groove 251 has a rear groove wall 2511 opposite to the cover plate 252, and the rear groove wall 2511 is jointly formed by a first rear groove wall 25131 and a second rear groove wall 25141; the surface of the condenser plate 6 facing the rear groove wall 2511 is defined as the first surface 61, and the surface of the condenser plate 6 facing the cover plate 252 is defined as the second surface 62; the cooling mechanism 7 includes a first liquid inlet 71 and a second liquid inlet 72 disposed on the outer cylinder 2; the first liquid inlet... The inlet 71 is configured to supply coolant into the first air duct cavity and guide the coolant to be sprayed onto at least one of the first surface 61 and the second surface 62; the second inlet 72 is configured to supply coolant into the second air duct cavity and guide the coolant to be sprayed onto at least one of the first surface 61 and the second surface 62; the bottom of the outer cylinder 2 is provided with a drain port 24, which is configured to discharge coolant and condensate from the outer cylinder 2 and to discharge coolant and condensate to the outside of the drying equipment.

[0160] Alternatively, the coolant may be cold water or other pure liquid or mixture suitable for cooling the condenser plate 6, and there are no limitations on this.

[0161] Optionally, the first liquid inlet 71 and the second liquid inlet 72 are provided on the outer cylinder 2 and are both connected to the liquid supply device for providing coolant; wherein, the first liquid inlet 71 can connect the liquid supply device and the first air duct cavity, and the second liquid inlet 72 can connect the liquid supply device and the second air duct cavity.

[0162] For example, the liquid supply device can be a faucet, with the first liquid inlet 71 connected to the faucet via a pipe to deliver cold water supplied by the faucet to the first air duct cavity; and the second liquid inlet 72 connected to the faucet via a pipe to deliver cold water supplied by the faucet to the second air duct cavity.

[0163] With the above structural design, the cooling mechanism 7 uses liquid cooling to cool the condenser plate 6. When coolant is sprayed onto the surface of the condenser plate 6, the coolant also directly exchanges heat with some of the humid and hot air in the inner cavity of the cooling air duct 25, which can improve the heat exchange efficiency of the humid and hot air and help to increase the drying speed of clothes. Moreover, the cooling mechanism 7 is provided with two liquid inlets, namely the first liquid inlet 71 and the second liquid inlet 72, which can cool the condenser plate 6 in the first air duct cavity and the second air duct cavity in a timely manner to ensure the condensation performance of the condenser plate 6.

[0164] Regarding the different specific layouts of the condenser plate 6 within the first and second air duct cavities, the cooling mechanism 7 can employ corresponding methods to cool the condenser plate 6. Furthermore, since the cooling method of the cooling mechanism 7 for the condenser plate 6 in the first air duct cavity is similar to the cooling method of the cooling mechanism 7 for the condenser plate 6 in the second air duct cavity, such as... Figures 14 to 19 As shown. Therefore, for ease of description, only the method of cooling the condenser plate 6 in the first air duct cavity using the cooling mechanism 7 as an example will be used to explain the relevant scheme in detail:

[0165] like Figure 14 As shown, for the first layout of the condenser plate 6 within the first air duct cavity, the layout design of the flow channels for the coolant and humid air can be:

[0166] In the front-rear direction of the housing 1, the condenser plate 6 is spaced apart from the first rear groove wall 25131 and the cover plate 252, dividing the first air duct cavity into a first channel 2541 and a second channel 2542. Both the first channel 2541 and the second channel 2542 are connected to the first air inlet 2561 and the first air return outlet 221, and both are connected to the first liquid inlet 71 and the first water outlet 2571. Coolant flows through the first channel 2541 and the second channel 2542, allowing the coolant to contact and exchange heat with both the first surface 61 and the second surface 62 of the condenser plate 6; humid and hot air entering through the first air inlet 2561 flows through the first channel 2541 and the second channel 2542, allowing the humid and hot air to contact and exchange heat with both the first surface 61 and the second surface 62 of the condenser plate 6.

[0167] With the above structural design, a first channel 2541 and a second channel 2542 are provided in the first air duct cavity, so that the first surface 61 and the second surface 62 of the condenser plate 6 can be exposed in the first air duct cavity, and both surfaces can exchange heat with the humid and hot air entering the first air duct cavity, increasing the heat exchange area between the condenser plate 6 and the humid and hot air, which can improve the dehumidification efficiency of the condenser plate 6 and help to increase the speed of drying clothes.

[0168] Furthermore, the coolant provided by the cooling mechanism 7 can cool both surfaces of the condenser plate 6 exposed in the first air duct cavity, thereby rapidly cooling the condenser plate 6 and improving its heat exchange efficiency. Simultaneously, the coolant also comes into direct contact with the humid air for heat exchange, and can also condense and dehumidify the humid air, further enhancing its heat exchange efficiency.

[0169] like Figure 15 As shown, for the second layout of the condenser plate 6 within the first air duct cavity, the layout design of the flow channels for the coolant and humid air can be:

[0170] In the front-rear direction of the housing 1, the condenser plate 6 is closer to the first rear groove wall 25131 than the cover plate 252, thus dividing the first air duct cavity into a first channel 2541 and a second channel 2542. The first channel 2541 connects the first liquid inlet 71 and the first water outlet 2571. Coolant flows in the first channel 2541 and is sprayed onto the first surface 61 of the condenser plate 6, so that the coolant comes into contact with the first surface 61 and exchanges heat. At least part of the coolant is discharged from the first water outlet 2571 to the drain outlet 24 and can be discharged from the drain outlet 24 to the outside of the drying equipment. The second channel 2542 connects the first air inlet 2561 and the first return air outlet 221. The hot and humid air entering through the first air inlet 2561 flows in the second channel 2542. The hot and humid air comes into contact with the second surface 62 of the condenser plate 6 and exchanges heat, and then enters the drying air duct 5 from the first return air outlet 221.

[0171] With the above structural design, the first air duct cavity is divided into a first channel 2541 and a second channel 2542 by the condenser plate 6. The first channel 2541 is mainly used for the flow of coolant, so that the coolant cools the first surface 61 of the condenser plate 6. The second channel 2542 is mainly used for the flow of hot and humid air, so that the hot and humid air exchanges heat with the second surface 62 of the condenser plate 6. This can prevent the coolant from entering the drying air duct 5 from the first return air port 221 along with the dehumidified air, which would cause the air humidity to be higher and increase the drying burden.

[0172] Furthermore, the coolant flows from top to bottom within the first channel 2541, while the hot and humid air mainly enters the first return air inlet 221 through the second channel 2542. This greatly reduces the impact of hot and humid air on the flow path of the coolant within the first channel 2541, thereby reducing the influence of hot and humid air blowing the coolant and causing it to deviate from its normal flow path. This prevents certain areas of the condenser plate 6 from not receiving effective cooling due to insufficient heat exchange with the coolant, which in turn affects the condensation performance of the condenser plate 6.

[0173] Of course, the coolant can also flow through the second channel 2542 at the same time to cool the second surface 62 of the condenser plate 6, increase the heat exchange area between the coolant and the condenser plate 6, and improve the condensation performance of the condenser plate 6.

[0174] like Figure 16 As shown, for the third layout of the condenser plate 6 within the first air duct cavity, the layout design of the flow channels for the coolant and humid air can be:

[0175] In the front-rear direction of the housing 1, the condenser plate 6 is closer to the cover plate 252 than the first rear groove wall 25131, thus dividing the first air duct cavity into a first channel 2541 and a second channel 2542. The first channel 2541 connects the first air inlet 2561 and the first return air inlet 221. The humid and hot air entering through the first air inlet 2561 flows through the first channel 2541, contacts the first surface 61 of the condenser plate 6 and exchanges heat, and then enters the drying air duct 5 from the first return air inlet 221. The second channel 2542 connects the first liquid inlet 71 and the first water outlet 2571. The coolant flows through the second channel 2542 and is sprayed onto the second surface 62 of the condenser plate 6, so that the coolant contacts the second surface 62 and exchanges heat. At least part of the coolant is discharged from the first water outlet 2571 to the drain outlet 24 and can be discharged to the outside of the drying equipment from the drain outlet 24.

[0176] By adopting the above structural design, and setting the flow path of the coolant and the flow path of the humid air in the first channel 2541 and the second channel 2542 which are separated, the coolant can be prevented from entering the drying air duct 5 from the first return air port 221 along with the dehumidified air, thus preventing the air humidity from being greater and increasing the drying burden.

[0177] Furthermore, the coolant flows from top to bottom within the second channel 2542, while the hot and humid air mainly enters the first return air inlet 221 through the first channel 2541. This greatly reduces the impact of the hot and humid air blowing the coolant and causing it to deviate from its normal flow path. This prevents some areas of the condenser plate 6 from not receiving effective cooling due to insufficient heat exchange with the coolant, thereby affecting the condensation performance of the condenser plate 6.

[0178] Of course, the coolant can also flow through the first channel 2541 at the same time to cool the first surface 61 of the condenser plate 6, increase the heat exchange area between the coolant and the condenser plate 6, and improve the condensation performance of the condenser plate 6.

[0179] It should be understood that the cooling method of the cooling mechanism 7 for the condenser plate 6 in the first air duct cavity can be the same as or different from the cooling method of the cooling mechanism 7 for the condenser plate 6 in the second air duct cavity. The cooling method used for the condenser plate 6 in the first and second air duct cavities can be selected according to the product design requirements and is not limited here.

[0180] It should be noted that the cooling mechanism 7 can also use air cooling to cool the condenser plate 6. That is, the cooling mechanism 7 provides cooling air, which can be blown onto the first surface 61 or the second surface 62 of the condenser plate 6 to cool it. It is important to note that when the cooling mechanism 7 uses air cooling, the mixing of the cooling air provided by the cooling mechanism 7 with the humid, hot air flowing through the condenser plate 6 should be avoided as much as possible to prevent interference between the normal flow paths of the cooling air and the humid, hot air. Therefore, through structural design, the flow channels of the cooling air and the flow channels of the humid, hot air can be separated by a partition structure.

[0181] Please refer to the above. Figures 11 to 13 , Figures 11 to 13 A schematic diagram of the internal structure of the outer cylinder at different angles is provided; it shows a specific layout of the screw post in the groove.

[0182] In some embodiments, such as Figures 11 to 13 As shown, in the cooling air duct 25, a screw post 8 is provided in the groove 251. The screw post 8 is fixed on the side of the groove 251 facing the cover plate 252 (that is, the screw post 8 is fixed on the rear groove wall 2511). The screw post 8 and the fastener can be used to fix the condenser plate 6 and the rear end wall 21 of the outer cylinder 2.

[0183] With the above structural design, the screw post 8 is fixed in the groove 251 of the rear end wall 21 of the outer cylinder 2. The screw post 8 and the rear end wall 21 of the outer cylinder 2 can be integrally formed, which makes the connection between the two more stable and the manufacturing process simple.

[0184] In addition, the condenser plate 6 can be supported by the screw column 8, so that there is a gap between the condenser plate 6 and the rear end wall 21 of the outer cylinder 2 and enough space is left for an appropriate amount of coolant to pass through, thereby enhancing the condensation efficiency and cooling effect of the condenser plate 6.

[0185] For example, one specific way in which the screw post 8 is disposed between the condenser plate 6 and the rear groove wall 2511 of the groove 251 is as follows: in the front-rear direction of the housing 1, one end of the screw post 8 is fixed to the rear groove wall 2511 of the groove 251, and the other end of the screw post 8 abuts against the condenser plate 6; the screw post 8 is adapted to be connected with the fastener passing through the condenser plate 6 so that the condenser plate 6 and the screw post 8 are locked together, thereby fixing the condenser plate 6 to the rear end wall 21 of the outer cylinder 2.

[0186] The fastener can be a screw, which includes a screw shank and a screw head. The screw shank has external threads on its outer periphery that fit into a threaded hole on the screw post 8, and the screw head is fixed to one end of the screw shank. Correspondingly, the condenser plate 6 has a hole that allows the screw threaded shank to pass through, but not the screw head. During installation, the screw threaded shank passes through the hole in the condenser plate 6 and connects to the threaded hole in the screw post 8, while the screw head presses the structure at the hole in the condenser plate 6 against the end of the screw post 8 to lock the condenser plate 6 and the screw post 8, thereby fixing the condenser plate 6 to the rear end wall 21 of the outer cylinder 2.

[0187] It should be noted that when the other end of the screw post 8 abuts against the condenser plate 6, it means that the screw post 8 and the condenser plate 6 are in surface contact; there is no gap between the screw post 8 and the condenser plate 6 after they abut against each other.

[0188] With the above structural design, during assembly, the screw post 8 and the condenser plate 6 make abutting contact, so that there is no gap between them. When using the fastener to pass through the hole on the condenser plate 6 and lock the condenser plate 6 on the screw post 8, the structure at the hole on the condenser plate 6 can be prevented from moving towards the screw post 8 due to the pressure of the fastener, which would cause the structure at the hole on the condenser plate 6 to deform or even tear.

[0189] Optionally, there may be multiple screw posts 8, which are distributed between the condenser plate 6 and the rear groove wall 2511 of the groove 251. Correspondingly, the number of fasteners is consistent with the number of screw posts 8; the number of holes opened on the condenser plate 6 is consistent with the number of screw posts 8, and the position of the holes corresponds one-to-one with the distribution position of the screw posts 8.

[0190] Similarly, the fixed connection between the cover plate 252 and the rear end wall 21 of the outer cylinder 2 can also be achieved by using a screw post 8 and a fastener assembly. The fixed connection method between the cover plate 252 and the rear end wall 21 of the outer cylinder 2 can be referred to the fixed connection method between the condensation plate 6 and the rear groove wall 2511 of the groove 251 mentioned above, and will not be repeated here.

[0191] Of course, the condenser plate 6 and the cover plate 252 are not limited to being connected to the rear end wall 21 (or groove 251) of the outer cylinder 2 by means of screw post 8. The condenser plate 6 and the rear end wall 21 of the outer cylinder 2, as well as the cover plate 252 and the rear end wall 21 of the outer cylinder 2, can also be fixed by means of snap-fit, welding, etc.

[0192] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this disclosure, and not to limit them. Although this disclosure has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this disclosure, and they should all be covered within the scope of the claims and specification of this disclosure. This disclosure is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A clothes drying device, characterized in that, include: Box; An outer cylinder is located inside the housing, and a return air vent is provided on the inner side of the outer cylinder; The inner drum is rotatably disposed inside the outer drum, and the inner drum has a drying chamber that can accommodate clothes. The cavity between the inner drum and the outer drum is a first cavity, and the drying chamber is connected to the return air vent through the first cavity. A drying air duct is provided outside the outer cylinder. One end of the drying air duct is connected to the return air inlet, and the other end of the drying air duct is connected to the drying chamber. The drying duct is configured to supply gas for drying clothes into the drying chamber and to draw gas from the first chamber through the return air vent. A cooling air duct is formed on the rear end wall of the outer cylinder facing the inner cylinder, and the return air inlet is formed in the inner cavity of the cooling air duct; The cooling duct is provided with a partition, which divides the inner cavity of the cooling duct into a first duct cavity and a second duct cavity, and divides the return air inlet into a first return air inlet and a second return air inlet. The first duct cavity is connected to the first return air inlet, and the second duct cavity is connected to the second return air inlet. The cooling air duct includes: The first air inlet connects the first cavity and the first air duct cavity, so that the first cavity is connected to the first return air inlet via the first air duct cavity. The second air inlet connects the first cavity and the second air duct cavity, so that the first cavity is connected to the second return air inlet via the second air duct cavity; The first water outlet is connected to the first air duct cavity; The second water outlet is connected to the second air duct cavity; The condenser plate, which is cooled by the cooling mechanism, is partially disposed in the first air duct cavity and partially disposed in the second air duct cavity; Under the suction effect of the drying air duct, the gas in the drying chamber enters the first air duct cavity through the first cavity and the first air inlet, and enters the second air duct cavity through the first cavity and the second air inlet, and flows back to the drying air duct from the first return air inlet and the second return air inlet respectively. The gas entering the first and second air ducts flows over the surface of the condenser plate, causing the water vapor in the gas to condense into condensate. The condensate can be discharged from the first air duct through the first outlet and from the second air duct through the second outlet.

2. The clothes drying equipment according to claim 1, characterized in that, The cooling air duct includes: A groove, recessed into the rear end wall of the outer cylinder on the side facing the inner cylinder in a direction away from the inner cylinder; A cover plate is laid at the opening of the groove, and the space between the cover plate and the groove forms the inner cavity of the cooling air duct; The separator is disposed in the groove to divide the groove into a first groove and a second groove. The space formed by the first groove, the separator, and the cover plate forms the first air duct cavity, and the space formed by the second groove, the separator, and the cover plate forms the second air duct cavity. The return air vent is formed within the groove; The separator extends to the return air vent to divide the return air vent into a first return air vent and a second return air vent.

3. The clothes drying equipment according to claim 2, characterized in that, A rotating shaft assembly is provided on the side of the inner cylinder facing the rear end wall of the outer cylinder, and the rotating shaft assembly is configured to allow the inner cylinder to rotate inside the outer cylinder. The outer cylinder has a mounting hole on its rear end wall for the rotating shaft assembly to pass through. The groove extends circumferentially around the mounting hole and surrounds the outer periphery of the mounting hole, with at least a portion of the groove surrounding the top of the mounting hole.

4. The clothes drying equipment according to claim 2, characterized in that, The cover plate partially blocks the opening of the groove, so that the portion of the groove opening not blocked by the cover plate forms the first air inlet and the second air inlet.

5. The clothes drying equipment according to claim 2, characterized in that, The first air inlet is located at the end of the first trough that is furthest from the first air return outlet; The second air inlet is located at the end of the second trough that is away from the second return air inlet.

6. The clothes drying equipment according to claim 2, characterized in that, The first outlet is formed at the lowest point of the first tank in the top-bottom direction of the tank body; The second outlet is formed at the lowest point of the second tank in the top-bottom direction of the tank.

7. The clothes drying equipment according to claim 2, characterized in that, In the front-rear direction of the box body, the first groove has a first rear groove wall disposed opposite to the cover plate; In the front-rear direction of the housing, a portion of the condensation trays are laid between the first rear groove wall and the cover plate, forming a first channel between the portion of the condensation trays and the first rear groove wall, and forming a second channel between the portion of the condensation trays and the cover plate. Wherein, at least one of the first channel and the second channel is connected to the first air inlet and the first air return outlet.

8. The clothes drying equipment according to claim 2, characterized in that, In the front-rear direction of the housing, the second groove has a second rear groove wall disposed opposite to the cover plate; In the front-rear direction of the housing, a portion of the condensation trays are laid between the second rear groove wall and the cover plate, forming a third channel between the portion of the condensation trays and the second rear groove wall, and forming a fourth channel between the portion of the condensation trays and the cover plate; The third channel and at least one of the fourth channels are connected to the second air inlet and the second air return outlet.

9. The clothes drying device according to any one of claims 2-8, characterized in that, In the front-rear direction of the housing, the groove has a rear groove wall that is disposed opposite to the cover plate; The surface of the condenser plate facing the rear tank wall is the first surface, and the surface of the condenser plate facing the cover plate is the second surface; The cooling mechanism includes a first liquid inlet and a second liquid inlet disposed on the outer cylinder; The first inlet is configured to supply coolant into the first air duct cavity and guide the coolant to be sprayed onto at least one of the first surface and the second surface; The second inlet is configured to supply coolant into the second air duct cavity and guide the coolant to be sprayed onto at least one of the first surface and the second surface; The bottom of the outer cylinder is provided with a drain port, which is configured to allow the coolant and condensate to be discharged from the outer cylinder.

10. The clothes drying device according to claim 1, characterized in that, The cooling air duct includes: The air duct plate is laid on the rear end wall of the outer cylinder facing the inner cylinder; The air duct plate has a recess, which is recessed into the rear end wall of the air duct plate facing the outer cylinder along the direction close to the inner cylinder. The space enclosed by the recess and the rear end wall of the outer cylinder forms the inner cavity of the cooling air duct; The separator is disposed in the recess to divide the recess into a first recess and a second recess. The space formed by the first recess, the separator, and the rear end wall of the outer cylinder forms the first air duct cavity, and the space formed by the second recess, the separator, and the rear end wall of the outer cylinder forms the second air duct cavity. The return air inlet is formed on the rear end wall of the outer cylinder; The separator extends to the return air vent to divide the return air vent into a first return air vent and a second return air vent.

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