Clothes drying apparatus

Abstract

This disclosure provides a clothes drying device, relating to the field of household appliance technology. The drying device includes a housing and an outer cylinder, an inner cylinder, a drying air duct, a condenser tray, and a cooling mechanism disposed within the housing. The outer cylinder has a return air inlet, the inner cylinder has a drying chamber, and a first cavity is provided between the inner and outer cylinders. The drying air duct, drying chamber, first cavity, and return air inlet form a gas circulation loop. The condenser tray is disposed within the first cavity and condenses moisture in the gas. The cooling mechanism includes a nozzle with a first spray hole and a second spray hole, providing coolant to a first and a second area on the surface of the condenser tray. The first and second areas are not inclusive of each other, and at least a portion of the first area is located on one side of the second area in the left-right direction of the housing. This technical solution increases the cooling area of ​​the condenser tray by the coolant, improving the cooling efficiency of the condenser tray.

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. During the drying process, the condenser tray's temperature rises after exchanging heat with the humid air, requiring cooling water to lower its temperature and ensure its condensation performance. However, the existing cooling water inlet only cools a small area of ​​the condenser tray, resulting in low cooling efficiency and hindering the rapid drying of clothes. Utility Model Content

[0004] In view of this, the purpose of this disclosure is to provide a clothes drying device that improves the technical problem of low cooling efficiency of the condenser plate in the prior art.

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

[0006] In a first aspect, a clothes drying device is provided, comprising:

[0007] Box;

[0008] The outer cylinder is located inside the housing, and a return air vent is provided on the inner side of the outer cylinder;

[0009] The inner drum is located inside the outer drum. The inner drum has a drying chamber that can accommodate clothes. The cavity between the inner drum and the outer drum is the first cavity. The drying chamber is connected to the return air vent through the first cavity.

[0010] The drying air 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.

[0011] The drying duct, drying chamber, first chamber and return air inlet form a loop, and the gas circulates within the loop;

[0012] A condenser plate is located on the rear end wall of the outer cylinder facing the inner cylinder and is configured to condense water vapor in the gas flowing across the surface of the condenser plate into condensate.

[0013] Cooling mechanism, including:

[0014] The nozzle has nozzles formed on its surface, the nozzles being configured to supply coolant and guide the coolant toward the condenser plate;

[0015] The drain port is located at the bottom of the outer cylinder to drain coolant and condensate from the outer cylinder;

[0016] In the front-rear direction of the housing, the nozzle has a first surface facing the condenser plate, and the condenser plate has a second surface facing the nozzle;

[0017] The nozzle includes a first nozzle and a second nozzle disposed on the first surface, which allows coolant to be sprayed through the first nozzle to a first region on the upper part of the second surface, and allows coolant to be sprayed through the second nozzle to a second region on the upper part of the second surface.

[0018] There is no inclusion relationship between the first region and the second region, and in the left-right direction of the box, at least a part of the first region is located on one side of the second region.

[0019] In the above technical solution, by setting a nozzle and opening nozzle holes on the nozzle, the coolant can be guided to spray onto the upper region of the second surface of the condenser plate, thereby cooling the upper region. The coolant can also flow downwards from this upper region, increasing the flow area of ​​the coolant on the second surface of the condenser plate and thus improving the cooling efficiency of the condenser plate. Furthermore, the nozzle includes a first nozzle and a second nozzle. The coolant through the first and second nozzles is sprayed onto the first and second regions on the upper part of the second surface of the condenser plate, respectively. Since there is no inclusion relationship between the first and second regions, they either partially overlap or are two separate regions without intersection, further increasing the cooling area of ​​the coolant on the condenser plate and improving the cooling efficiency of the condenser plate. Furthermore, since at least a portion of the first region is located on one side of the second region in the left-right direction of the housing, more coolant can be distributed to the upper region of the second surface of the condenser in the horizontal direction. This allows the coolant flowing down from the upper region to flow over more areas on the second surface, increasing the cooling area of ​​the condenser and further improving the cooling efficiency of the condenser.

[0020] In some embodiments, there are multiple first nozzles, so that coolant is sprayed through the multiple first nozzles onto multiple first regions on the upper part of the second surface; wherein the multiple first regions are not inclusive of each other.

[0021] In the above technical solution, by setting multiple first spray holes, coolant can be sprayed onto and cool multiple first regions on the second surface of the condenser plate. Since the multiple first regions are not inclusive of each other, there is only partial overlap between any two first regions, or each of the multiple first regions is a separate region without intersection, increasing the cooling area of ​​the condenser plate and improving its cooling efficiency. Furthermore, at least a portion of each of the multiple first regions is located on one side of the second region in the left-right direction of the housing, allowing more coolant to be distributed horizontally to the upper region of the second surface of the condenser plate. This enables the coolant flowing down from the upper region to flow more widely across other regions on the second surface, further increasing the cooling area of ​​the condenser plate and improving its cooling efficiency.

[0022] In some embodiments, a plurality of first regions are arranged along the left-right direction of the housing, and at least two adjacent first regions intersect each other.

[0023] In the above technical solution, compared to other arrangements of multiple first regions, arranging multiple first regions along the left-right direction of the housing on the upper region of the second surface of the condenser plate allows for a greater distribution of coolant in the horizontal direction to the upper region. This enables the coolant flowing down from the upper region to pass over a larger area of ​​the second surface, increasing the cooling area of ​​the condenser plate and further improving its cooling efficiency. Furthermore, at least some adjacent first regions intersect with each other, minimizing areas on the second surface of the condenser plate that cannot be contacted and cooled by the coolant, ensuring relatively comprehensive and sufficient cooling of the second surface and further improving the cooling efficiency of the condenser plate.

[0024] In some embodiments, the nozzle further includes a third nozzle disposed on the first surface, so that coolant is sprayed through the third nozzle to a third region of the second surface; the second surface is divided into an upper region, a middle region and a lower region along the top and bottom direction of the housing; wherein the third region is located at least one of the upper region, the middle region and the lower region of the second surface, and there is no inclusion relationship between the third region and the first region and the second region.

[0025] In the above technical solution, by providing a third nozzle, the coolant sprayed through the third nozzle can be directed towards a third region on the second surface of the condenser plate. Since the third region is located at least one of the upper, middle, and lower regions of the second surface, the coolant can be sprayed into the middle and lower regions. This increases the amount of coolant sprayed onto the second surface, accelerating the cooling of the condenser plate. It also fills in areas on the second surface that the coolant sprayed through the first and second nozzles cannot reach, increasing the cooling area of ​​the condenser plate and ensuring relatively comprehensive and sufficient cooling of the second surface, thereby improving the cooling efficiency of the condenser plate. Furthermore, since the third region does not overlap with the first and second regions, or the third region is a separate region without intersection with the first and second regions, the cooling area of ​​the condenser plate is increased, further improving the cooling efficiency of the condenser plate.

[0026] In some embodiments, the nozzle has two opposing side surfaces in the left-right direction of the housing; the nozzle also includes a fourth nozzle disposed on the side surface, so that coolant is sprayed through the fourth nozzle to the side region of the second surface; wherein the side region is located on the side of the second surface in the left-right direction of the housing.

[0027] In the above technical solution, since the first surface of the nozzle and the second surface of the condenser are arranged opposite each other in the front-rear direction of the housing, and the area of ​​the first surface of the nozzle in the actual product is much smaller than the area of ​​the second surface of the condenser, it is difficult for the nozzle opening on the first surface to point towards the side area of ​​the condenser, resulting in the side area of ​​the condenser having no or insufficient coolant for cooling. Therefore, by opening a fourth nozzle on the side surface of the nozzle, the fourth nozzle can be pointed towards the side area of ​​the condenser, and the coolant through the fourth nozzle can be sprayed towards and cool the side area of ​​the second surface, so that the second surface can be cooled relatively comprehensively and sufficiently, thereby improving the cooling efficiency of the condenser.

[0028] In some embodiments, the nozzle has a bottom side surface; the nozzle also includes a fifth nozzle disposed on the bottom side surface, so that coolant is sprayed through the fifth nozzle to the bottom side region of the second surface; wherein the bottom side region is located on the bottom side of the second surface in the top-bottom direction of the housing.

[0029] In the above technical solution, since the first surface of the nozzle and the second surface of the condenser are arranged opposite each other in the front-rear direction of the housing, and the area of ​​the first surface of the nozzle in the actual product is much smaller than the area of ​​the second surface of the condenser, it is difficult for the nozzle hole on the first surface to point towards the bottom area of ​​the condenser, resulting in the bottom area of ​​the condenser having no or insufficient coolant for cooling. Therefore, by opening a fifth nozzle on the bottom surface of the nozzle, the fifth nozzle can be pointed towards the bottom area of ​​the condenser, and the coolant through the fifth nozzle can be sprayed towards and cool the bottom area of ​​the second surface, so that the second surface can be cooled relatively comprehensively and sufficiently, thereby improving the cooling efficiency of the condenser.

[0030] In some embodiments, the nozzle includes: a body having a nozzle cavity communicating with a nozzle orifice; a connecting pipe configured to connect an inlet pipe on an outer cylinder and the nozzle cavity, so that coolant flowing through the inlet pipe can enter the nozzle cavity and be sprayed onto a condenser plate through the nozzle orifice; wherein, in the front-rear direction of the housing, the body corresponds to the upper part of the condenser plate.

[0031] In the above technical solution, by aligning the body of the nozzle with the upper part of the condenser plate, the distance between the coolant sprayed through the first nozzle and the second nozzle and the upper region of the second surface of the condenser plate can be shortened, thereby accelerating the speed at which the coolant is sprayed onto the condenser plate and helping to improve the cooling efficiency of the condenser plate.

[0032] In some embodiments, the nozzle further includes a positioning part, which is disposed on the top of the body and configured to be used for positioning assembly between the connecting pipe and the liquid inlet pipe; in the front-rear direction of the housing, the positioning part protrudes from the body, and a liquid storage cavity is formed by the inner side of the positioning part, which is connected to the inner cavity of the nozzle.

[0033] In the above technical solution, by setting a positioning part, the connecting pipe and the liquid inlet pipe can be assembled accurately and quickly to fix the nozzle to the outer cylinder, thereby improving the assembly efficiency of the nozzle. Moreover, the positioning part is located at the top of the body, and a liquid storage chamber communicating with the inner cavity of the nozzle is formed on the inner side of the positioning part. This allows the liquid storage chamber to hold coolant and increase the liquid pressure of the coolant in the inner cavity of the nozzle, thereby accelerating the speed at which the coolant in the inner cavity of the nozzle is ejected from the nozzle orifice, which helps to improve the cooling efficiency of the condenser plate.

[0034] In some embodiments, a plane perpendicular to the left-right direction of the housing is used as the first cross section; in the left-right direction of the housing, the area of ​​the cross section intercepted by the first cross section of the nozzle cavity decreases from the middle to both sides.

[0035] In the above technical solution, the section cut by the first section of the nozzle cavity is a longitudinal section. The area of ​​the longitudinal section decreases from the middle to both sides in the left and right direction of the housing. When the coolant in the middle position of the nozzle cavity flows to both sides, the liquid pressure of the coolant will increase, thereby accelerating the speed at which the coolant is ejected from the nozzle holes on both sides of the nozzle. This allows the coolant to be sprayed to a greater distance, reaching a more distant area on the side of the condenser plate, so that the condenser plate can be cooled relatively comprehensively and fully, thereby improving the cooling efficiency of the condenser plate.

[0036] In some embodiments, a plane perpendicular to the top and bottom direction of the housing is used as the second section; in the top and bottom direction of the housing, the area of ​​the section intercepted by the second section of the nozzle cavity decreases from top to bottom.

[0037] In the above technical solution, the cross section intercepted by the second section of the nozzle inner cavity is a cross section. The area of ​​the cross section decreases from top to bottom in the direction of the top and bottom of the housing. When the coolant in the upper part of the nozzle inner cavity flows downward, it will increase the liquid pressure of the coolant, thereby accelerating the speed at which the coolant is ejected from the nozzle hole on the bottom side of the nozzle. This allows the coolant to be sprayed to a greater distance, reaching a more distant area under the condenser plate, so that the condenser plate can be cooled relatively comprehensively and fully, thereby improving the cooling efficiency of the condenser plate.

[0038] In some embodiments, in the front-rear direction of the housing, the nozzle is disposed between the rear end wall of the outer cylinder and the condenser plate, such that the first surface is the surface of the nozzle away from the rear end wall of the outer cylinder, and the second surface is the surface of the condenser plate facing the rear end wall of the outer cylinder.

[0039] In the above technical solution, the nozzle sprays coolant towards the surface of the condenser plate facing the rear end wall of the outer cylinder. The coolant flows downward along the gap between the rear end wall of the outer cylinder and the condenser plate, allowing the coolant to flow steadily along the rear end wall of the outer cylinder to the drain port and be discharged from the outer cylinder. This can minimize the splashing of coolant into the inner cylinder, which would increase the humidity of the clothes in the inner cylinder and thus affect the drying speed.

[0040] In some embodiments, a recess is provided on the rear end wall of the outer cylinder in the front-rear direction of the housing, and the recess is recessed in a direction away from the inner cylinder; wherein the body of the nozzle is placed in the recess.

[0041] In the above technical solution, placing the nozzle body within the recess reduces the space occupied between the rear end wall of the outer cylinder and the rear end of the inner cylinder. By saving installation space for the nozzle, sufficient assembly space can be provided for the condenser tray, facilitating a more rational assembly between the outer and inner cylinders. This results in a more compact and rational structural layout of the entire drying equipment in the front-to-back direction of the housing. Furthermore, the recess allows the nozzle to be embedded into the rear end wall of the outer cylinder, improving the stability of the nozzle after assembly.

[0042] In some embodiments, in the front-rear direction of the housing, the nozzle is disposed between the condenser plate and the inner cylinder, such that the first surface is the surface of the nozzle facing the rear end wall of the outer cylinder, and the second surface is the surface of the condenser plate facing the inner cylinder.

[0043] In the above technical solution, since the condenser plate is installed on the rear end wall of the outer cylinder, the gap between the condenser plate and the rear end wall of the outer cylinder is very small in order to meet the requirements of condenser plate assembly stability and noise reduction during operation. In fact, part of the surface of the condenser plate facing the rear end wall of the outer cylinder may even be in contact with the rear end face of the outer cylinder. If the coolant is sprayed onto the surface of the condenser plate facing the rear end wall of the outer cylinder, it will increase the difficulty of the coolant cooling the surface of the condenser plate, resulting in part of the surface of the condenser plate having no coolant or insufficient coolant for cooling. Therefore, the nozzle is set between the condenser plate and the inner cylinder, and the coolant is sprayed onto the surface of the condenser plate facing the inner cylinder. Since the space between the condenser plate and the inner cylinder is relatively large, the position of the nozzle can be reasonably arranged, and the surface of the condenser plate facing the inner cylinder can be fully exposed within the spray range of the nozzle, so that the coolant can comprehensively and fully cool the condenser plate, thereby improving the cooling efficiency of the condenser plate.

[0044] Secondly, a clothes drying device is also provided, including:

[0045] Box;

[0046] The outer cylinder is located inside the housing, and a return air vent is provided on the inner side of the outer cylinder;

[0047] The inner drum is located inside the outer drum. The inner drum has a drying chamber that can accommodate clothes. The cavity between the inner drum and the outer drum is the first cavity. The drying chamber is connected to the return air vent through the first cavity.

[0048] The drying air 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.

[0049] The drying duct, drying chamber, first chamber and return air inlet form a loop, and the gas circulates within the loop;

[0050] A condenser plate is located on the rear end wall of the outer cylinder facing the inner cylinder and is configured to condense water vapor in the gas flowing across the surface of the condenser plate into condensate.

[0051] Cooling mechanism, including:

[0052] The inlet is configured to supply coolant and guide the coolant to be sprayed onto the surface of the condenser plate;

[0053] The nozzle has auxiliary nozzles formed on its surface, which are configured to provide coolant and guide the coolant toward the surface of the condenser plate.

[0054] The drain port is located at the bottom of the outer cylinder to drain coolant and condensate from the outer cylinder;

[0055] When the coolant sprayed from the inlet and the auxiliary nozzle is sprayed onto the same surface of the condenser plate, the coolant sprayed from the inlet is sprayed onto the first spray area of ​​the condenser plate surface, and the coolant sprayed from the auxiliary nozzle is sprayed onto the second spray area of ​​the condenser plate surface.

[0056] There is no inclusion relationship between the first injection area and the second injection area.

[0057] In the above technical solution, both an inlet and a nozzle are used to provide coolant, which together cools the condenser plate. The coolant, delivered via an auxiliary nozzle, can be directed to a specific area of ​​the condenser plate that was not cooled by the coolant delivered via the inlet, ensuring relatively comprehensive cooling and improving the cooling efficiency. Furthermore, the coolant is sprayed onto a first spray area on the surface of the condenser plate via the inlet, and onto a second spray area via the auxiliary nozzle. These two spray areas are not overlapping, meaning they are either partially overlapping or separate, increasing the cooling area of ​​the condenser plate and further improving its cooling efficiency. Attached Figure Description

[0058] 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.

[0059] Figure 1 This is a three-dimensional structural diagram of a clothes drying device provided according to some embodiments of the present disclosure;

[0060] 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;

[0061] 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;

[0062] Figure 4 for Figure 3 Cross-sectional diagram along the XX direction;

[0063] 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;

[0064] Figure 6 This is a three-dimensional structural diagram of an outer cylinder provided according to some embodiments of the present disclosure;

[0065] Figure 7 This is a front view schematic diagram of an outer cylinder (without the condenser plate) provided according to some embodiments of the present disclosure;

[0066] Figure 8 for Figure 7 A cross-sectional diagram along the YY direction;

[0067] Figure 9 for Figure 8 A magnified schematic diagram of a local Z region;

[0068] Figure 10 This is a three-dimensional structural schematic diagram of a nozzle provided according to some embodiments of the present disclosure;

[0069] Figure 11 This is a schematic front view of a nozzle according to some embodiments of the present disclosure;

[0070] Figure 12 for Figure 11 A cross-sectional diagram of the QQ direction;

[0071] Figure 13 This is a side view of a nozzle according to some embodiments of the present disclosure;

[0072] Figure 14 This is a schematic diagram showing that the second surface of a condenser plate, according to some embodiments of the present disclosure, is divided into three regions: upper, middle, and lower.

[0073] Figure 15 This is a schematic diagram showing that the second surface of a condenser plate is divided into upper and lower regions according to some embodiments of the present disclosure;

[0074] Figure 16 This is a schematic diagram showing the layout of a first region, a second region, and a third region on a second surface of a condenser plate according to some embodiments of the present disclosure;

[0075] Figure 17 This is a schematic diagram of the layout of the upper side region of the second surface of a condenser plate according to some embodiments of the present disclosure;

[0076] Figure 18 This is a schematic diagram of the layout of the bottom side region of the second surface of a condenser pan according to some embodiments of the present disclosure.

[0077] The attached figures are labeled as follows:

[0078] 1-Box body, 11-Dispensing port, 12-Door body;

[0079] 2-Outer cylinder, 21-Rear end wall, 22-Return air inlet, 23-First cavity, 24-Recess, 25-Liquid inlet pipe, 26-Liquid outlet;

[0080] 3-Door seal ring;

[0081] 4-Inner cylinder, 41-Drying chamber, 42-Rotating shaft, 43-Through hole;

[0082] 5-Drying air duct, 51-Heating device, 52-Fan, 53-Air guide pipe;

[0083] 6-Condensation plate, 61-Upper region, 62-Middle region, 63-Lower region, 64-First region, 65-Second region, 66-Third region, 67-Side region, 68-Bottom region;

[0084] 7- Nozzle, 71- Body, 711- First nozzle, 712- Second nozzle, 713- Third nozzle, 714- Fourth nozzle, 715- Fifth nozzle, 716- Nozzle inner cavity, 72- Connecting pipe, 73- Positioning part, 731- Liquid storage cavity. Detailed Implementation

[0085] 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.

[0086] 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.

[0087] 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.

[0088] 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.

[0089] 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.

[0090] 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.

[0091] 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.

[0092] 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.

[0093] 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.

[0094] In the description of this disclosure, "multiple" means two or more (including two), unless otherwise expressly and specifically limited.

[0095] 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.

[0096] 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 cooling efficiency of the condenser plate in the related art, and obtain the technical solution of the embodiments of this disclosure through reasonable analysis.

[0097] In related technologies, with social progress and technological development, clothes drying equipment has become a common household appliance. With the rapid development of living standards, people are using clothes drying equipment more and more frequently and their requirements are also increasing.

[0098] Currently, most clothes drying equipment on the market heats air to create 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 penetrating the clothes again, repeating this cycle multiple times to dry 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, the dry, hot air comes into contact with the wet clothes, creating humid, hot air. This humid, hot air then comes into contact with the condenser plate, causing its temperature to drop rapidly and condensing the moisture into relatively dry, cool air. This relatively dry, cool air is then drawn into the drying duct through a return air vent. The heating element in the drying duct heats this relatively dry, cool air back into dry, hot air for use in drying clothes. During this process, the temperature of the condenser plate rises after heat exchange with the humid, hot air, requiring cooling water to lower its temperature and ensure its condensation performance. However, the cooling water flowing out of the existing inlet can only cool a small part of the condenser plate, resulting in low cooling efficiency of the condenser plate. The cooling efficiency of the condenser plate directly affects the efficiency of water vapor in the hot and humid air condensing into water and being discharged, which affects the dehumidification efficiency. If the dehumidification efficiency is low, the hot air re-entering the inner drum will have a high moisture content, and the air will more easily reach saturated vapor pressure, which is not conducive to the evaporation of moisture from clothes, that is, not conducive to the rapid drying of clothes.

[0099] To address this, the present disclosure provides a clothes drying device that, by setting a nozzle and opening multiple spray holes on the nozzle, can guide the coolant to spray onto different areas on the upper part of the condenser plate surface, thereby increasing the cooling area of ​​the condenser plate by the coolant and solving the technical problem of low cooling efficiency of the condenser plate in the prior art.

[0100] 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.

[0101] 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.

[0102] Please refer to the above. Figures 1 to 7 , Figure 10 , Figure 11 , Figures 14 to 16 , Figure 1 A three-dimensional structural diagram of a clothes drying device is provided, showing a specific construction of the housing. Figures 2 to 4 A 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. Figure 6 A three-dimensional structural schematic diagram of an outer cylinder is provided, showing a specific layout of the condenser plate inside the outer cylinder. Figure 7 A front view structural diagram of an outer cylinder is provided, showing a specific layout of the nozzles on the outer cylinder. Figure 10 and Figure 11 A schematic diagram of a nozzle at different angles is provided; it shows a specific layout of the first and second nozzles on the nozzle. Figures 14 to 15 A schematic diagram is provided showing a second surface of a condenser plate divided into multiple regions; two different regions are shown on the second surface. Figure 16 A schematic diagram is provided showing a portion of the second surface of a condenser plate being cooled by a coolant; wherein a specific arrangement of a first region and a second region on the second surface is shown.

[0103] 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.

[0104] 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.

[0105] 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.

[0106] 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.

[0107] 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.

[0108] 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.

[0109] 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.

[0110] 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.

[0111] 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.

[0112] 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.

[0113] 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.

[0114] 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 a loop and allow the gas to circulate in the loop.

[0115] The drying duct 5 is configured to supply gas for drying clothes into the drying chamber 41 and to draw gas from the first chamber 23 through the return air vent 22.

[0116] 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.

[0117] 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.

[0118] In this embodiment, as Figures 6 to 9 As shown, the clothes dryer also includes a condenser tray 6 and a cooling mechanism. Among them, as... Figure 6As shown, the condenser plate 6 is located on the side of the rear end wall 21 of the outer cylinder 2 facing the inner cylinder 4, and comes into contact with and exchanges heat with the humid and hot air in the first cavity 23. The cooling mechanism cools and lowers the temperature of the condenser plate 6.

[0119] Regarding the condenser plate 6, it is configured to condense water vapor in the gas flowing over its surface into condensate. The condenser plate 6 acts as a condenser, condensing the air flowing into the drying duct 5 from the outer cylinder 2 via the return air inlet 22 to dehumidify it. That is, the air in the first chamber 23 can exchange heat with the condenser plate 6, removing moisture and lowering its temperature before re-entering the drying duct 5 through the return air inlet 22.

[0120] Specifically, the high-temperature air from the drying duct 5 enters the drying chamber 41, heating the clothes inside and removing moisture from them, thus forming humid air. This humid air can enter the first chamber 23 through the through holes on the inner cylinder 4 and flow over the condenser plate 6 on the rear end wall 21 of the outer cylinder 2. The humid air makes large-area contact with the condenser plate 6 to exchange heat, causing the moisture in the humid air to condense and dehumidify on the condenser plate 6. After condensation and dehumidification by the condenser plate 6, the humid air becomes low-temperature dry air. This low-temperature dry air can then re-enter the drying duct 5 from the return air inlet 22 and be reheated to achieve the drying cycle of the drying equipment. After multiple cycles, the clothes can be dried.

[0121] Alternatively, the condenser plate 6 may be made of metal.

[0122] Specifically, the condenser tray 6 can be made of stainless steel or aluminum alloy. Utilizing the properties of the metal material of the condenser tray 6, its thermal conductivity is much higher than that of plastic, resulting in high heat exchange efficiency. This allows humid and hot air to be cooled first by the metal condenser tray 6, 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.

[0123] Of course, the condenser plate 6 can also be made of other materials with high thermal conductivity, and there are no restrictions here.

[0124] Optionally, the structure and curvature of the condenser plate 6 and the rear end wall 21 of the outer cylinder 2 can be kept consistent, so that the condenser plate 6 occupies less space inside the outer cylinder 2.

[0125] Specifically, the condenser plate 6 can be roughly in the shape of a circular or semi-circular plate, and the condenser plate 6 can be laid on the rear end wall 21 of the outer cylinder 2.

[0126] Optionally, the condenser plate 6 can be a single-layer sheet structure or a multi-layer composite plate structure.

[0127] Regarding the cooling mechanism, the temperature of the condenser plate 6 rises after exchanging heat with the humid and hot air. Therefore, a cooling mechanism is needed to cool and lower the temperature of the condenser plate 6 in order to maintain its good condensation performance.

[0128] like Figure 7 As shown, the cooling mechanism includes a nozzle 7 and a drain port 26. The nozzle 7 has nozzles on its surface, which are configured to provide coolant and guide the coolant towards the condenser plate 6 to cool the condenser plate 6. The drain port 26 is located at the bottom of the outer cylinder 2, where coolant and condensate are collected and discharged outside the outer cylinder 2.

[0129] Alternatively, the coolant may be cold water or other pure liquid or mixture suitable for cooling the condenser plate 6, without limitation.

[0130] Optionally, the nozzle 7 is connected to a coolant supply device; for example, the coolant supply device may be a faucet, and the nozzle 7 is connected to the faucet through a pipe so that cold water supplied by the faucet can be introduced into the interior of the nozzle 7 and sprayed onto the surface of the condenser plate 6 through the nozzle orifice to cool the condenser plate 6.

[0131] Furthermore, such as Figure 10 , Figure 11 and Figure 16 As shown, in the front-rear direction of the housing 1, the nozzle 7 has a first surface facing the condenser plate 6, and the condenser plate 6 has a second surface facing the nozzle 7.

[0132] The nozzle includes a first nozzle 711 and a second nozzle 712 disposed on the first surface, so that coolant is sprayed through the first nozzle 711 to a first region 64 on the upper part of the second surface, and so that coolant is sprayed through the second nozzle 712 to a second region 65 on the upper part of the second surface.

[0133] By adopting the above structural design, by setting the nozzle 7 and opening the nozzle hole on the nozzle 7, the coolant can be guided to spray onto the upper region 61 of the second surface of the condenser plate 6, and the upper region 61 can be cooled down. The coolant can also flow downward from the upper region 61, so that the flow area of ​​the coolant on the second surface of the condenser plate 6 is larger, increasing the cooling area of ​​the coolant on the condenser plate 6 and improving the cooling efficiency of the condenser plate 6.

[0134] Furthermore, such as Figure 16 As shown, there is no inclusion relationship between the first region 64 and the second region 65.

[0135] It should be noted that the inclusion relationship between the first region 64 and the second region 65 includes the following situations: First, the first region 64 and the second region 65 completely overlap; second, the first region 64 and the second region 65 do not completely overlap, but the first region 64 is entirely within the scope of the second region 65; third, the first region 64 and the second region 65 do not completely overlap, but the second region 65 is entirely within the scope of the first region 64. Therefore, the absence of an inclusion relationship between the first region 64 and the second region 65 means that the positional relationship between the first region 64 and the second region 65 does not fall into any of the above three situations.

[0136] With the above structural design, the nozzles include a first nozzle 711 and a second nozzle 712. The coolant through the first nozzle 711 and the second nozzle 712 is sprayed onto the first region 64 and the second region 65 on the upper part of the second surface of the condenser plate 6, respectively. Since there is no inclusion relationship between the first region 64 and the second region 65, the first region 64 and the second region 65 only partially overlap or are two separate regions that do not intersect, which increases the cooling area of ​​the coolant on the condenser plate 6 and can further improve the cooling efficiency of the condenser plate 6.

[0137] Furthermore, such as Figure 16 As shown, in the left-right direction of the housing 1, at least a portion of the first region 64 is located on one side of the second region 65.

[0138] With the above structural design, since at least a portion of the first region 64 in the left-right direction of the housing 1 is located on one side of the second region 65, the upper region 61 of the second surface of the condenser plate 6 can be distributed with more coolant in the horizontal direction. This allows the coolant flowing down from the upper region 61 to flow through more areas on the second surface, increasing the cooling area of ​​the coolant on the condenser plate 6 and further improving the cooling efficiency of the condenser plate 6.

[0139] It should be noted that, along the top and bottom direction of the housing 1, the second surface of the condenser plate 6 can be divided into three regions: the upper region 61, the middle region 62, and the lower region 63, or it can be divided into only two regions: the upper region 61 and the lower region 63.

[0140] For example, such as Figure 14As shown, the second surface of the condenser plate 6 is divided into three regions: an upper region 61, a middle region 62, and a lower region 63. The method for dividing this region is as follows: Define a straight line extending from the highest point of the condenser plate 6 along the left-right direction of the housing 1 as the first horizontal line L1; define a straight line extending from the lowest point of the condenser plate 6 along the left-right direction of the housing 1 as the second horizontal line L2; define any line segment with the shortest distance between the first horizontal line L1 and the second horizontal line L2 as line segment AB, where point A is higher than point B in the top-bottom direction of the housing 1; divide line segment AB into three equal parts and obtain two trisection points. The dividing points are C and D, with C being higher than D in the top-bottom direction of the box 1. The straight line extending from C along the left-right direction of the box 1 is defined as the third horizontal line L3, and the straight line extending from D along the left-right direction of the box 1 is defined as the fourth horizontal line L4. The area of ​​the second surface between the first horizontal line L1 and the third horizontal line L3 is the upper region 61, the area of ​​the second surface between the third horizontal line L3 and the fourth horizontal line L4 is the middle region 62, and the area of ​​the second surface between the fourth horizontal line L4 and the second horizontal line L2 is the lower region 63.

[0141] For example, such as Figure 15 As shown, the second surface of the condenser plate 6 is divided into an upper region 61 and a lower region 63. The method of dividing the two regions is as follows: a straight line extending from the highest point of the condenser plate 6 along the left-right direction of the housing 1 is defined as the first horizontal line L1; a straight line extending from the lowest point of the condenser plate 6 along the left-right direction of the housing 1 is defined as the second horizontal line L2; any line segment with the shortest distance between the first horizontal line L1 and the second horizontal line L2 is defined as line segment AB, and point A is higher than point B in the top-bottom direction of the housing 1; a straight line extending from the midpoint O of line segment AB along the left-right direction of the housing 1 is defined as the fifth horizontal line L5; wherein, the area of ​​the second surface located between the first horizontal line L1 and the fifth horizontal line L5 is the upper region 61, and the area of ​​the second surface located between the second horizontal line L2 and the fifth horizontal line L5 is the lower region 63.

[0142] Of course, depending on the design requirements of the product, the line segment AB can be divided into four, five, six, seven, eight, etc., by referring to the above division method. The area between the two adjacent horizontal lines on the upper part of the second surface is defined as the upper region 61, so as to obtain upper regions 61 with different ranges.

[0143] Optionally, the upper region 61 is the region on the second surface that is above the fifth horizontal line L5.

[0144] For ease of description, the following embodiments will be specifically described using the example of the second surface of the condenser plate 6 being divided into three regions: upper region 61, middle region 62, and lower region 63.

[0145] Optionally, the area of ​​the upper region 61 is greater than one-third of the total area of ​​the second surface, and the area of ​​the upper region 61 is less than one-half of the total area of ​​the second surface.

[0146] By adopting the above structural design, the upper region 61 of the second surface has a suitable area so that the upper region 61 can receive sufficient coolant and allow the coolant flowing from the upper region 61 to other regions to flow through more areas on the second surface, thereby increasing the cooling area of ​​the condenser on the condenser plate 6 and improving the cooling efficiency of the condenser plate 6.

[0147] It should be understood that for a condenser plate 6 that is roughly circular or semi-circular in shape, if the area of ​​the upper region 61 is less than one-third of the total area of ​​the second surface, the upper region 61 will be concentrated at the top of the condenser plate 6, reducing the size of the upper region 61 in the left-right direction of the housing 1. This reduces the area of ​​the coolant flowing down from the upper region 61 that can flow over other areas of the second surface, resulting in a smaller cooling area for the condenser plate 6 and affecting its cooling efficiency. If the area of ​​the upper region 61 is greater than half the total area of ​​the second surface, the upper region 61 is relatively large, and the coolant flowing through the nozzles cannot cover most of its area. This means that some areas of the upper region 61 cannot be cooled by the coolant, especially the top of the upper region 61, resulting in insufficient cooling of the condenser plate 6 and affecting its cooling efficiency.

[0148] Please refer to the above. Figure 10 , Figure 11 and Figure 16 , Figure 10 and Figure 11 A schematic diagram of a nozzle at different angles is provided; it shows a specific layout of the first and second nozzles on the nozzle. Figure 16 A schematic diagram is provided showing a portion of the second surface of a condenser plate being cooled by a coolant; wherein a specific arrangement of multiple first regions on the second surface is shown.

[0149] In some embodiments, such as Figure 10 , Figure 11 and Figure 16 As shown, there are multiple first nozzles 711, which allow coolant to be sprayed through the multiple first nozzles 711 onto multiple first regions 64 on the upper part of the second surface; wherein, the multiple first regions 64 are not inclusive of each other.

[0150] It should be noted that the inclusion relationship between multiple first regions 64 includes the following situations: first, at least two of the multiple first regions 64 completely overlap; second, at least one first region 64 is completely within the range of another first region 64. Based on this, the absence of an inclusion relationship between multiple first regions 64 means that the positional relationship between the multiple first regions 64 does not fall into the above two situations.

[0151] By adopting the above structural design, multiple first spray holes 711 are provided, so that coolant can be sprayed onto and cool multiple first regions 64 on the second surface of the condenser plate 6. At the same time, since the multiple first regions 64 do not have an inclusion relationship with each other, each pair of first regions 64 only partially overlaps or the multiple first regions 64 are all separate regions that do not intersect with each other, thereby increasing the cooling area of ​​the coolant on the condenser plate 6 and improving the cooling efficiency of the condenser plate 6.

[0152] Furthermore, such as Figure 16 As shown, there are multiple first nozzles 711, which allow coolant to be sprayed through multiple first nozzles 711 onto multiple first regions 64 on the upper part of the second surface; wherein, in the left-right direction of the housing 1, at least a portion of each of the multiple first regions 64 is located on one side of the second region 65.

[0153] With the above structural design, at least some of the first regions 64 are located on one side of the second region 65 in the left-right direction of the housing 1, so that the upper region 61 of the second surface of the condenser plate 6 can be further distributed with more coolant in the horizontal direction. This allows the coolant flowing down from the upper region 61 to flow more widely through other regions on the second surface, increasing the cooling area of ​​the condenser plate 6 and further improving the cooling efficiency of the condenser plate 6.

[0154] Furthermore, such as Figure 16 As shown, there are multiple first nozzles 711, which allow coolant to be sprayed through multiple first nozzles 711 onto multiple first regions 64 on the upper part of the second surface; wherein, the multiple first regions 64 are arranged along the left and right direction of the housing 1.

[0155] By adopting the above structural design, compared with other arrangements of multiple first regions 64, arranging multiple first regions 64 along the left and right direction of the housing 1 on the upper region 61 of the second surface of the condenser plate 6 can further distribute more coolant to the upper region 61 in the horizontal direction, thereby allowing the coolant flowing down from the upper region 61 to flow through more areas on the second surface, increasing the cooling area of ​​the coolant on the condenser plate 6, and further improving the cooling efficiency of the condenser plate 6.

[0156] Moreover, when multiple first regions 64 are arranged along the left and right directions of the box 1, at least two partially adjacent first regions 64 intersect each other.

[0157] By adopting the above structural design, at least two partially adjacent first regions 64 intersect with each other, which can minimize the area on the second surface of the condenser plate 6 that cannot be contacted and cooled by the coolant, so that the second surface can be cooled relatively comprehensively and fully, thereby improving the cooling efficiency of the condenser plate 6.

[0158] Please refer to the above. Figure 10 , Figure 11 and Figure 16 , Figure 10 and Figure 11 A schematic diagram of a nozzle at different angles is provided; it shows a specific layout of the third nozzle on the nozzle. Figure 16 A schematic diagram is provided showing a portion of the second surface of a condenser plate being cooled by coolant; wherein a specific arrangement of multiple third regions on the second surface is shown.

[0159] In some embodiments, such as Figure 10 , Figure 11 and Figure 16 As shown, the spray nozzle also includes a third spray nozzle 713 disposed on the first surface, so that coolant is sprayed through the third spray nozzle 713 to the third region 66 of the second surface; the second surface is divided into an upper region 61, a middle region 62 and a lower region 63 along the top and bottom direction of the housing 1; wherein, the third region 66 is located at least one of the upper region 61, the middle region 62 and the lower region 63 of the second surface.

[0160] By adopting the above structural design, the coolant sprayed through the third nozzle 713 can be sprayed onto the third region 66 of the second surface of the condenser plate 6. Since the third region 66 is located at least one of the upper region 61, middle region 62, and lower region 63 of the second surface, the coolant can be sprayed onto the middle region 62 and the lower region 63. This increases the amount of coolant sprayed onto the second surface, thereby accelerating the cooling of the condenser plate 6. It also fills the areas on the second surface that the coolant sprayed through the first nozzle 711 and the second nozzle 712 cannot reach, thereby increasing the cooling area of ​​the condenser plate 6 and enabling the second surface to be cooled relatively comprehensively and sufficiently, thus improving the cooling efficiency of the condenser plate 6.

[0161] Furthermore, there is no inclusion relationship between the third region 66, the first region 64, and the second region 65.

[0162] It should be noted that the relationship between the third region 66 and the first region 64 and the second region 65 includes the following situations: First, the third region 66 completely overlaps with the first region 64; second, the third region 66 completely overlaps with the second region 65; third, the third region 66 is entirely within the area of ​​the first region 64; fourth, the third region 66 is entirely within the area of ​​the second region 65. Therefore, the absence of an inclusion relationship between the third region 66 and the first region 64 and the second region 65 means that the positional relationship between the third region 66 and the first region 64 and the second region 65 does not fall into any of the above four situations.

[0163] With the above structural design, since there is no inclusion relationship between the third region 66 and the first region 64 and the second region 65, the third region 66 only partially overlaps with the first region 64 and the second region 65, or the third region 66 is a separate region that does not intersect with the first region 64 and the second region 65. This increases the cooling area of ​​the coolant on the condenser plate 6 and can further improve the cooling efficiency of the condenser plate 6.

[0164] Optionally, there are multiple third nozzles 713, so that coolant is sprayed through multiple third nozzles 713 onto multiple third regions 66 on the second surface.

[0165] Please refer to the above. Figure 10 , Figure 11 , Figure 13 and Figure 17 , Figure 10 , Figure 11 and Figure 13 A schematic diagram of a nozzle at different angles is provided; it shows a specific layout of the fourth nozzle on the nozzle. Figure 17 A schematic diagram is provided showing a portion of the second surface of a condenser plate being cooled by coolant; wherein a specific layout of the side regions on the second surface is shown.

[0166] In some embodiments, such as Figure 10 , Figure 11 , Figure 13 and Figure 17 As shown, in the left-right direction of the housing 1, the nozzle 7 has two side surfaces arranged opposite to each other; the nozzle also includes a fourth nozzle 714 disposed on the side surface, so that coolant is sprayed through the fourth nozzle 714 to the side region 67 of the second surface; wherein, the side region 67 is located on the side of the second surface in the left-right direction of the housing 1.

[0167] For example, such as Figure 17As shown, the method for determining the side region 67 of the second surface can be as follows: define the straight line extending from the leftmost point of the condenser plate 6 along the top and bottom direction of the housing 1 as the first vertical line V1, define the straight line extending from the rightmost point of the condenser plate 6 along the top and bottom direction of the housing 1 as the second vertical line V2, define any line segment with the shortest distance between the first vertical line V1 and the second vertical line V2 as line segment EF, divide line segment EF into six equal parts and obtain the six-part division point G near point E and the six-part division point H near point F, define the straight line extending from point G along the top and bottom direction of the housing 1 as the third vertical line V3, and define the straight line extending from point H along the top and bottom direction of the housing 1 as the fourth vertical line V4; wherein, the area of ​​the second surface located between the first vertical line V1 and the third vertical line V3, and the area of ​​the second surface located between the second vertical line V2 and the fourth vertical line V4 are both side regions 67.

[0168] Of course, depending on the product design requirements, the line segment EF can also be divided into four, five, seven, eight, etc., according to the above determination method, to obtain side areas 67 of different ranges.

[0169] It should be noted that, since the first surface of the nozzle 7 and the second surface of the condenser plate 6 are arranged opposite each other in the front-rear direction of the housing 1, and the area of ​​the first surface of the nozzle 7 in the actual product is much smaller than the area of ​​the second surface of the condenser plate 6, it is difficult for the nozzle hole on the first surface to point towards the side area 67 of the condenser plate 6, resulting in the side area 67 of the condenser plate 6 having no or insufficient coolant for cooling.

[0170] By adopting the above structural design, by opening a fourth spray hole 714 on the side surface of the nozzle 7, the fourth spray hole 714 can be directed towards the side area 67 of the condenser plate 6, and the coolant through the fourth spray hole 714 can be sprayed onto and cool the side area 67 of the second surface, so that the second surface can be cooled relatively comprehensively and fully, thereby improving the cooling efficiency of the condenser plate 6.

[0171] Optionally, there are multiple fourth nozzles 714, so that coolant is sprayed onto the side region 67 on the second surface through multiple fourth nozzles 714.

[0172] Please refer to the above. Figures 10 to 13 , Figure 18 , Figures 10 to 13 A schematic diagram of a nozzle at different angles is provided; it shows a specific layout of the fifth nozzle on the nozzle. Figure 18 A schematic diagram is provided showing a portion of the second surface of a condenser plate being cooled by a coolant; wherein a specific layout of the bottom side region on the second surface is shown.

[0173] In some embodiments, such as Figures 10 to 13 as well as Figure 18 As shown, the nozzle 7 has a bottom side surface; the nozzle also includes a fifth nozzle 715 disposed on the bottom side surface, so that coolant is sprayed through the fifth nozzle 715 to the bottom side region 68 of the second surface; wherein, the bottom side region 68 is located on the bottom side of the second surface in the top-bottom direction of the housing 1.

[0174] For example, such as Figure 18 As shown, the method for determining the bottom region 68 of the second surface can be as follows: define a straight line extending from the highest point of the condenser plate 6 along the left-right direction of the housing 1 as the first horizontal line L1; define a straight line extending from the lowest point of the condenser plate 6 along the left-right direction of the housing 1 as the second horizontal line L2; define any line segment with the shortest distance between the first horizontal line L1 and the second horizontal line L2 as line segment AB; and in the top-bottom direction of the housing 1, point A is higher than point B; divide line segment AB into six equal parts and obtain the six-part division point K closest to point B; define a straight line extending from point K along the left-right direction of the housing 1 as the sixth horizontal line L6; wherein, the area of ​​the second surface located between the sixth horizontal line L6 and the second horizontal line L2 is the bottom region 68.

[0175] Of course, depending on the product design requirements, the line segment AB can also be divided into four, five, seven, eight, etc., according to the above determination method to obtain the bottom area 68 of different ranges.

[0176] It should be noted that, since the first surface of the nozzle 7 and the second surface of the condenser plate 6 are arranged opposite each other in the front-rear direction of the housing 1, and the area of ​​the first surface of the nozzle 7 in the actual product is much smaller than the area of ​​the second surface of the condenser plate 6, it is difficult for the nozzle holes opened on the first surface to point towards the bottom side area 68 of the condenser plate 6, resulting in the bottom side area 68 of the condenser plate 6 having no or insufficient coolant for cooling.

[0177] By adopting the above structural design, by opening a fifth spray hole 715 on the bottom side surface of the nozzle 7, the fifth spray hole 715 can be directed towards the bottom side area 68 of the condenser plate 6, and the coolant through the fifth spray hole 715 can be sprayed onto and cool the bottom side area 68 of the second surface, so that the second surface can be cooled relatively comprehensively and fully, thereby improving the cooling efficiency of the condenser plate 6.

[0178] Optionally, there are multiple fifth nozzles 715, so that coolant is sprayed onto the bottom side region 68 on the second surface through multiple fifth nozzles 715.

[0179] Optionally, the bottom region 68 of the second surface of the condenser plate 6 partially overlaps with the side region 67.

[0180] Please refer to the above. Figures 7 to 13 , Figures 7 to 9A schematic diagram of the overall structure of the outer cylinder and a schematic diagram of the partial structure of the outer cylinder are provided; wherein a specific layout of the nozzle being assembled on the outer cylinder is shown. Figures 10 to 13 A schematic diagram of a nozzle at different angles is provided; it shows one specific configuration of the nozzle.

[0181] In some embodiments, such as Figures 10 to 13 As shown, the nozzle 7 includes a body 71 and a connecting pipe 72. The body 71 has a nozzle cavity 716 that communicates with the spray hole; the connecting pipe 72 is configured to connect the liquid inlet pipe 25 on the outer cylinder 2 and the nozzle cavity 716, so that the coolant flowing through the liquid inlet pipe 25 can enter the nozzle cavity 716 and be sprayed onto the condenser plate 6 through the spray hole; in the front-rear direction of the housing 1, the body 71 corresponds to the upper part of the condenser plate 6.

[0182] By adopting the above structural design, the body 71 of the nozzle 7 is aligned with the upper part of the condenser plate 6, which can shorten the distance between the coolant sprayed through the first nozzle 711 and the second nozzle 712 onto the upper region 61 of the second surface of the condenser plate 6, thereby accelerating the speed at which the coolant is sprayed onto the condenser plate 6 and helping to improve the cooling efficiency of the condenser plate 6.

[0183] Furthermore, such as Figures 10 to 13 As shown, the nozzle 7 also includes a positioning part 73, which is configured to connect the positioning assembly between the pipe 72 and the liquid inlet pipe 25.

[0184] For example, such as Figures 7 to 9 As shown, the liquid inlet pipe 25 passes through the outer cylinder 2 and is connected to the external liquid supply device. The connecting pipe 72 is located at the upper part of the positioning part 73. The connecting pipe 72 can be inserted into the liquid inlet pipe 25 until the top surface of the positioning part 73 abuts against the inner wall of the outer cylinder 2, so as to realize the positioning assembly between the connecting pipe 72 and the liquid inlet pipe 25.

[0185] By adopting the above structural design and setting the positioning part 73, the connecting pipe 72 and the liquid inlet pipe 25 can be assembled accurately and quickly to fix the nozzle 7 on the outer cylinder 2, thereby improving the assembly efficiency of the nozzle 7.

[0186] Furthermore, the positioning part 73 is located on the top of the main body 71. In the front-rear direction of the housing 1, the positioning part 73 protrudes from the main body 71, and a liquid storage cavity 731 is formed by a recess on the inner side of the positioning part 73. The liquid storage cavity 731 is connected to the inner cavity 716 of the nozzle. Figure 12 As shown.

[0187] With the above structural design, the positioning part 73 is located at the top of the body 71, and a liquid storage chamber 731 communicating with the nozzle inner cavity 716 is formed on the inner side of the positioning part 73. This allows the liquid storage chamber 731 to hold coolant and increase the liquid pressure of the coolant in the nozzle inner cavity 716, thereby accelerating the speed at which the coolant in the nozzle inner cavity 716 is ejected from the nozzle orifice, which helps to improve the cooling efficiency of the condenser plate 6.

[0188] Furthermore, the plane perpendicular to the left and right direction of the housing 1 is taken as the first section; in the left and right direction of the housing 1, the area of ​​the section intercepted by the first section of the nozzle cavity 716 decreases from the middle to both sides.

[0189] It should be noted that a fourth nozzle 714 is also provided on the side surface of the nozzle 7, and the fourth nozzle 714 is used to spray the coolant through it onto the side region 67 of the second surface of the condenser plate 6. Considering the structural layout of the actual product, the distance between the fourth nozzle 714 and the side region 67 of the second surface is relatively far, making the path required for the coolant sprayed through the fourth nozzle 714 to reach the side region 67 longer. Therefore, it is necessary to increase the outlet pressure of the coolant sprayed from the fourth nozzle 714.

[0190] With the above structural design, the section of the nozzle cavity 716 cut by the first section is a longitudinal section. The area of ​​the longitudinal section decreases from the middle to both sides in the left and right direction of the housing 1. When the coolant in the middle position of the nozzle cavity 716 flows to both sides, the liquid pressure of the coolant will increase, thereby accelerating the speed at which the coolant is ejected from the nozzle holes (fourth nozzle hole 714) on both sides of the nozzle 7. This allows the coolant to be sprayed to a greater distance, reaching the more distant area (side area 67) of the condenser plate 6, so that the condenser plate 6 can be cooled relatively comprehensively and fully, thereby improving the cooling efficiency of the condenser plate 6.

[0191] Furthermore, the plane perpendicular to the top and bottom direction of the housing 1 is taken as the second section; in the top and bottom direction of the housing 1, the area of ​​the section intercepted by the second section of the nozzle cavity 716 decreases from top to bottom.

[0192] It should be noted that a fifth nozzle 715 is also provided on the bottom surface of the nozzle 7. The fifth nozzle 715 is used to spray the coolant through it onto the bottom region 68 of the second surface of the condenser plate 6. Considering the actual product's structural layout, the fifth nozzle 715 is relatively far from the bottom region 68 of the second surface, making the path required for the coolant sprayed through the fifth nozzle 715 to reach the bottom region 68 longer. Therefore, it is necessary to increase the outlet pressure of the coolant sprayed from the fifth nozzle 715.

[0193] With the above structural design, the cross section of the nozzle cavity 716 cut by the second section is the cross section. The area of ​​the cross section decreases from top to bottom in the direction of the top and bottom of the housing 1. When the coolant in the upper part of the nozzle cavity 716 flows to the lower part, the liquid pressure of the coolant will increase, thereby accelerating the speed at which the coolant is ejected from the nozzle hole (fifth nozzle hole 715) on the bottom side of the nozzle 7. This allows the coolant to be sprayed to a greater distance, reaching the lower part of the condenser plate 6 (bottom side area 68), so that the condenser plate 6 can be cooled relatively comprehensively and fully, thereby improving the cooling efficiency of the condenser plate 6.

[0194] Please refer to the above. Figures 6 to 9 , Figure 6 A three-dimensional structural schematic diagram of an outer cylinder is provided, showing a specific layout of the condenser plate inside the outer cylinder. Figures 7 to 9 A schematic diagram of the overall structure of the outer cylinder and a schematic diagram of the partial structure of the outer cylinder are provided; wherein a specific layout of the nozzle being assembled on the outer cylinder is shown.

[0195] In some embodiments, such as Figure 6 and Figure 7 As shown, in the front-rear direction of the housing 1, the nozzle 7 is disposed between the rear end wall 21 of the outer cylinder 2 and the condenser plate 6, such that the first surface is the surface of the nozzle 7 facing away from the rear end wall 21 of the outer cylinder 2, and the second surface is the surface of the condenser plate 6 facing the rear end wall 21 of the outer cylinder 2.

[0196] With the above structural design, the nozzle 7 sprays coolant toward the surface of the condenser plate 6 facing the rear end wall 21 of the outer cylinder 2. The coolant will flow downward along the gap between the rear end wall 21 of the outer cylinder 2 and the condenser plate 6, so that the coolant can flow stably along the rear end wall 21 of the outer cylinder 2 to the drain port 26 and be discharged from the outer cylinder 2. This can prevent the coolant from splashing into the inner cylinder 4, which would increase the humidity of the clothes in the inner cylinder 4 and thus affect the drying speed.

[0197] Furthermore, such as Figures 7 to 9 As shown, in the front-rear direction of the housing 1, a recess 24 is provided on the rear end wall 21 of the outer cylinder 2, and the recess 24 is recessed in a direction away from the inner cylinder 4; wherein, the body 71 of the nozzle 7 is placed in the recess 24.

[0198] Optionally, the recess 24 is formed on the top of the rear end wall 21 of the outer cylinder 2.

[0199] By adopting the above structural design, placing the body 71 of the nozzle 7 within the recess 24 reduces the space occupied between the rear end wall 21 of the outer cylinder 2 and the rear end of the inner cylinder 4. By saving the installation space of the nozzle 7, sufficient assembly space can be provided for the condenser tray 6, which is also conducive to the reasonable assembly between the outer cylinder 2 and the inner cylinder 4. This makes the structural layout of the entire drying equipment in the front-to-back direction of the housing 1 more compact and reasonable. Moreover, the recess 24 allows the nozzle 7 to be embedded and assembled onto the rear end wall 21 of the outer cylinder 2, thereby improving the stability of the nozzle 7 after assembly.

[0200] In some embodiments, in the front-rear direction of the housing 1, the nozzle 7 is disposed between the condenser plate 6 and the inner cylinder 4, such that the first surface is the surface of the nozzle 7 facing the rear end wall 21 of the outer cylinder 2, and the second surface is the surface of the condenser plate 6 facing the inner cylinder 4.

[0201] It should be noted that, since the condenser plate 6 is installed on the rear end wall 21 of the outer cylinder 2, in order to meet the requirements of assembly stability of the condenser plate 6 and noise reduction during operation, the gap between the condenser plate 6 and the rear end wall 21 of the outer cylinder 2 is very small. In fact, part of the surface of the condenser plate 6 facing the rear end wall 21 of the outer cylinder 2 may even be in contact with the rear end face of the outer cylinder 2. If the coolant is sprayed onto the surface of the condenser plate 6 facing the rear end wall 21 of the outer cylinder 2, it will increase the difficulty of the coolant cooling the surface of the condenser plate 6, resulting in part of the surface of the condenser plate 6 having no coolant or not having enough coolant for cooling.

[0202] With the above structural design, the nozzle 7 is placed between the condenser plate 6 and the inner cylinder 4, and the coolant is sprayed onto the surface of the condenser plate 6 facing the inner cylinder 4. Since the space between the condenser plate 6 and the inner cylinder 4 is relatively large, the position of the nozzle 7 can be reasonably arranged, and the surface of the condenser plate 6 facing the inner cylinder 4 can be fully exposed within the spray range of the nozzle 7, so that the coolant can comprehensively and fully cool the condenser plate 6, thereby improving the cooling efficiency of the condenser plate 6.

[0203] Of course, according to the design requirements of the product, by reasonably arranging the nozzles 7, the coolant provided by the nozzles 7 can be sprayed simultaneously onto the surface of the condenser plate 6 facing the rear end wall 21 of the outer cylinder 2 and the surface of the condenser plate 6 facing the inner cylinder 4.

[0204] Please refer to the above. Figures 1 to 6 , Figure 1 A three-dimensional structural diagram of a clothes drying device is provided, showing a specific construction of the housing. Figures 2 to 4 A 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. Figure 6A three-dimensional structural schematic diagram of an outer cylinder is provided, showing a specific layout of the condenser plate inside the outer cylinder.

[0205] This disclosure also provides a clothes drying device, such as... Figures 1 to 6 As shown, the clothes drying equipment includes a housing 1 and an outer cylinder 2, an inner cylinder 4, a drying air duct 5, and a condenser tray 6 disposed within the housing 1.

[0206] Specifically, an air return vent 22 is provided on the inner side of the outer cylinder 2; the inner cylinder 4 is disposed inside the outer cylinder 2, and a drying chamber 41 capable of accommodating clothes is formed inside the inner cylinder 4. The cavity between the inner cylinder 4 and the outer cylinder 2 is a first cavity 23, and the drying chamber 41 is connected to the air return vent 22 via the first cavity 23; a drying duct 5 is disposed outside the outer cylinder 2, one end of the drying duct 5 is connected to the air return vent 22, and the other end of the drying duct 5 is connected to the drying chamber 41. The drying duct 5 is configured to direct air into the drying chamber 41. Gas is provided for drying clothes, and gas is drawn from the first cavity 23 through the return air vent 22; wherein, the drying air duct 5, the drying cavity 41, the first cavity 23 and the return air vent 22 form a loop, and the gas circulates in the loop; the condenser plate 6 is set on the side of the rear end wall 21 of the outer cylinder 2 facing the inner cylinder 4. When the gas circulates in the loop, it will flow over the surface of the condenser plate 6. The condenser plate 6 can condense the water vapor in the gas flowing over its surface into condensate to dehumidify the gas, thereby improving the drying speed.

[0207] The main difference between this embodiment and the embodiments described above lies in the cooling mechanism; therefore, only the cooling mechanism and its related features will be described in detail here.

[0208] The cooling mechanism includes a liquid inlet, a nozzle, and a liquid outlet 26. The liquid inlet is configured to supply coolant and guide the coolant to be sprayed onto the surface of the condenser plate 6; the nozzle has auxiliary spray holes formed on its surface, which are configured to supply coolant and guide the coolant to be sprayed onto the surface of the condenser plate 6; the liquid outlet 26 is located at the bottom of the outer cylinder 2 to discharge coolant and condensate from the outer cylinder 2.

[0209] With the above structural design, the coolant is provided by both the inlet and the nozzle 7, which together cool the condenser plate 6. The coolant through the auxiliary nozzle can be directed to a specific area of ​​the condenser plate 6, which is the area of ​​the condenser plate 6 that cannot be cooled by the coolant through the inlet. This allows the condenser plate 6 to receive relatively comprehensive cooling, thereby improving the cooling efficiency of the condenser plate 6.

[0210] Optionally, the liquid inlet is a groove structure and is recessed in the top of the rear end wall 21 of the outer cylinder 2 in a direction away from the inner cylinder 4. The liquid inlet is connected to an external liquid supply device that can provide coolant and can spray coolant onto the surface of the condenser 6 facing the rear end wall 21 of the outer cylinder 2.

[0211] Optionally, there may be multiple auxiliary nozzles, and these multiple auxiliary nozzles may spray onto different areas of the surface of the condenser plate 6.

[0212] Optionally, the coolant sprayed through the inlet and the coolant sprayed through the auxiliary nozzle can be sprayed onto different sides of the surface of the condenser plate 6.

[0213] Optionally, the coolant sprayed through the inlet and the coolant sprayed through the auxiliary nozzle can be sprayed onto the same surface of the condenser plate 6.

[0214] When the coolant sprayed from the inlet and the auxiliary nozzle is sprayed onto the same surface of the condenser plate 6, the coolant sprayed from the inlet is sprayed onto the first spray area of ​​the surface of the condenser plate 6, and the coolant sprayed from the auxiliary nozzle is sprayed onto the second spray area of ​​the surface of the condenser plate 6; there is no inclusion relationship between the first spray area and the second spray area.

[0215] It should be noted that the inclusion relationship between the first and second spray areas includes the following situations: First, the first and second spray areas completely overlap; second, the first and second spray areas do not completely overlap, but the first spray area is entirely within the range of the second spray area; third, the first and second spray areas do not completely overlap, but the second spray area is entirely within the range of the first spray area. Therefore, the absence of an inclusion relationship between the first and second spray areas means that their positional relationship does not fall into any of the above three situations.

[0216] With the above structural design, coolant is sprayed from the inlet to the first spray area on the surface of the condenser plate 6, and coolant is sprayed from the auxiliary nozzle to the second spray area on the surface of the condenser plate 6. The first spray area and the second spray area do not overlap, so that the first spray area and the second spray area only partially overlap or are two separate areas that do not intersect. This increases the cooling area of ​​the coolant on the condenser plate 6 and can further improve the cooling efficiency of the condenser plate 6.

[0217] 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; An inner drum is disposed inside the outer drum, and a drying chamber capable of accommodating clothes is formed inside the inner drum. 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 via the first cavity. The drying air 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. The drying duct, the drying chamber, the first cavity, and the return air inlet form a loop, and the gas circulates within the loop. A condenser plate is disposed on the rear end wall of the outer cylinder facing the inner cylinder, and is configured to condense water vapor in the gas flowing through the surface of the condenser plate into condensate. Cooling mechanism, including: The nozzle has nozzles formed on its surface, the nozzles being configured to provide coolant and direct the coolant toward the condenser plate; A drain port is located at the bottom of the outer cylinder to discharge coolant and condensate from the outer cylinder; In the front-rear direction of the housing, the nozzle has a first surface facing the condensation plate, and the condensation plate has a second surface facing the nozzle; The spray nozzle includes a first spray nozzle and a second spray nozzle disposed on the first surface, so that coolant is sprayed through the first spray nozzle to a first region above the second surface, and so that coolant is sprayed through the second spray nozzle to a second region above the second surface. There is no inclusion relationship between the first region and the second region, and in the left-right direction of the box, at least a portion of the first region is located on one side of the second region.

2. The clothes drying equipment according to claim 1, characterized in that, The number of the first nozzles is multiple, so that coolant is sprayed through the multiple first nozzles onto the multiple first regions on the upper part of the second surface; There is no inclusion relationship between the plurality of first regions.

3. The clothes drying equipment according to claim 2, characterized in that, The plurality of first regions are arranged along the left-right direction of the box, and at least some of the two adjacent first regions intersect each other.

4. The clothes drying equipment according to claim 1, characterized in that, The nozzle also includes a third nozzle disposed on the first surface, so that coolant is sprayed through the third nozzle to a third region of the second surface; The second surface is divided into an upper region, a middle region, and a lower region along the top-bottom direction of the housing; The third region is located at least one of the upper, middle and lower regions of the second surface, and there is no inclusion relationship between the third region and the first and second regions.

5. The clothes drying equipment according to claim 1, characterized in that, In the left-right direction of the housing, the nozzle has two oppositely arranged side surfaces; The nozzle also includes a fourth nozzle disposed on the side surface, so that coolant is sprayed to the side area of ​​the second surface through the fourth nozzle. The side region is located on the side of the second surface in the left-right direction of the housing.

6. The clothes drying equipment according to claim 1, characterized in that, The nozzle has a bottom side surface; The nozzle also includes a fifth nozzle disposed on the bottom side surface, so that coolant is sprayed through the fifth nozzle to the bottom side region of the second surface; The bottom side region is located on the bottom side of the second surface in the top-bottom direction of the housing.

7. The clothes drying apparatus according to any one of claims 1-6, characterized in that, The nozzle includes: The body has a nozzle cavity that communicates with the nozzle orifice; A connecting pipe is configured to connect the liquid inlet pipe on the outer cylinder and the nozzle cavity, so that the coolant flowing through the liquid inlet pipe can enter the nozzle cavity and be sprayed onto the condenser plate through the spray hole; In the front-rear direction of the housing, the main body corresponds to the upper part of the condenser plate.

8. The clothes drying equipment according to claim 7, characterized in that, The nozzle also includes a positioning part, which is disposed on the top of the body and configured for positioning and assembling between the connecting pipe and the liquid inlet pipe. In the front-rear direction of the housing, the positioning part protrudes from the body, and the inner side of the positioning part is recessed to form a liquid storage cavity, which is connected to the inner cavity of the nozzle.

9. The clothes drying equipment according to claim 7, characterized in that, The first cross-section is a plane perpendicular to the left and right directions of the box body; In the left-right direction of the housing, the area of ​​the cross section intercepted by the first section of the nozzle cavity decreases from the middle to both sides.

10. The clothes drying device according to claim 7, characterized in that, The second section is a plane perpendicular to the top and bottom direction of the box body; In the top-bottom direction of the housing, the area of ​​the cross section intercepted by the second section of the nozzle cavity decreases from top to bottom.

11. The clothes drying apparatus according to any one of claims 1-6, characterized in that, In the front-rear direction of the housing, the nozzle is disposed between the rear end wall of the outer cylinder and the condensation plate, such that the first surface is the surface of the nozzle away from the rear end wall of the outer cylinder, and the second surface is the surface of the condensation plate facing the rear end wall of the outer cylinder.

12. The clothes drying device according to claim 11, characterized in that, In the front-rear direction of the housing, a recess is provided on the rear end wall of the outer cylinder, and the recess is recessed in a direction away from the inner cylinder; The body of the nozzle is placed inside the recess.

13. The clothes drying apparatus according to any one of claims 1-6, characterized in that, In the front-rear direction of the housing, the nozzle is disposed between the condenser plate and the inner cylinder, such that the first surface is the surface of the nozzle facing the rear end wall of the outer cylinder, and the second surface is the surface of the condenser plate facing the inner cylinder.

14. 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; An inner drum is disposed inside the outer drum, and a drying chamber capable of accommodating clothes is formed inside the inner drum. 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 via the first cavity. The drying air 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. The drying duct, the drying chamber, the first cavity, and the return air inlet form a loop, and the gas circulates within the loop. A condenser plate is disposed on the rear end wall of the outer cylinder facing the inner cylinder, and is configured to condense water vapor in the gas flowing through the surface of the condenser plate into condensate. Cooling mechanism, including: The inlet is configured to supply coolant and guide the coolant to be sprayed onto the surface of the condenser plate; The nozzle has auxiliary nozzles formed on the surface of the nozzle, the auxiliary nozzles being configured to provide coolant and guide the coolant to be sprayed onto the surface of the condenser plate; A drain port is located at the bottom of the outer cylinder to discharge coolant and condensate from the outer cylinder; When the coolant sprayed through the inlet and the auxiliary nozzle is sprayed together onto the same surface of the condenser plate, the coolant sprayed through the inlet is sprayed into the first spray area on the surface of the condenser plate, and the coolant sprayed through the auxiliary nozzle is sprayed into the second spray area on the surface of the condenser plate. There is no inclusion relationship between the first spray area and the second spray area.

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