Dehumidifier

Abstract

The utility model provides a dehumidifier which comprises a machine shell, a heat exchanger, an axial flow fan and an air guide ring. The air guide ring is columnar and is arranged on the outer side of the axial flow fan; the heat exchanger is located on the outer side of the air guide ring. The plane where the lower end of the air guide ring is located is located on the upper side of the lower end face of the heat exchanger, and the ratio of the distance between the outer wall of the air guide ring and the inner surface of the heat exchanger to the outer diameter of the air guide ring is smaller than or equal to 1 / 20. According to the position relation between the peripheral wall of the air guide ring and the inner wall of the heat exchanger, airflow can flow away quickly after entering the heat exchanger, accumulation on the inner side of the heat exchanger is reduced, turbulent flow is prevented, the heat exchange efficiency of the heat exchanger can be improved, and then the dehumidification efficiency can be improved.

Description

Technical Field

[0001] This utility model relates to the field of air treatment technology, and in particular to a dehumidifier. Background Technology

[0002] As people's living standards improve, their requirements for indoor living environments are also increasing. Dehumidifiers, as devices for regulating air humidity, are gradually being widely used in homes and commercial spaces. However, existing dehumidifiers have certain structural design flaws that result in poor airflow and low dehumidification efficiency. Utility Model Content

[0003] In view of the above problems, this utility model is proposed to provide a dehumidifier that overcomes or at least partially solves the above problems and can improve dehumidification efficiency.

[0004] Specifically, this utility model provides a dehumidifier, which includes:

[0005] The housing has a defined accommodating space inside, and the housing has a first air inlet, a second air inlet, a third air inlet, and an air outlet that communicate with the accommodating space; the first air inlet, the second air inlet, and the third air inlet are respectively located on three different side walls of the housing; the air outlet is located on the top wall of the housing.

[0006] A heat exchanger is disposed within the accommodating space and configured to at least cool air; the heat exchanger includes a first heat exchange section, a second heat exchange section, and a third heat exchange section; the first heat exchange section, the third heat exchange section, and the second heat exchange section are arranged sequentially along the circumferential direction of the housing; the first heat exchange section is disposed at the first air inlet, the second heat exchange section is disposed at the second air inlet, and the third heat exchange section is disposed at the third air inlet;

[0007] An axial flow fan is disposed within the accommodating space and located below the air outlet; the axial flow fan is configured to draw in air from its lower side and blow it upward, so as to cause air to enter the accommodating space from the air inlet, exchange heat with the heat exchanger, and then flow out from the air outlet; the distance between the central axis of the axial flow fan and the first heat exchange section, the distance between the second heat exchange sections, and the distance between the third heat exchange sections are all equal;

[0008] An air guide ring, which is columnar, is disposed on the outside of the axial flow fan, and the heat exchanger is located on the outside of the air guide ring; the ratio between the distance between the outer wall of the air guide ring and the inner surface of the heat exchanger and the outer diameter of the air guide ring is less than or equal to 1 / 20.

[0009] Optionally, the distance between the outer wall of the air guide ring and the inner surface of the heat exchanger is within 10 mm.

[0010] Optionally, the ratio between the distance between the outer wall of the air guide ring and the inner surface of the heat exchanger and the outer diameter of the air guide ring is greater than or equal to 1 / 40.

[0011] Optionally, the lower end of the air guide ring is located within the space enclosed by the heat exchanger;

[0012] The plane at the lower end of the air guide ring is located above the lower end face of the heat exchanger, and the ratio between the distance between the plane at the lower end of the air guide ring and the lower end face of the heat exchanger and the outer diameter of the air guide ring is 1 / 2 to 13 / 10.

[0013] Optionally, along the thickness direction of the heat exchanger, the heat exchanger includes a plurality of heat exchange layers arranged sequentially along the thickness direction of the heat exchanger; the innermost heat exchange layer is configured to heat the air, and the outermost heat exchange layer is configured to cool the air.

[0014] Optionally, the thickness of each heat exchange layer is 10 mm to 15 mm;

[0015] The first air inlet, the third air inlet, and the second air inlet are connected along the circumferential direction of the housing.

[0016] Optionally, the axial flow fan further includes:

[0017] A motor housing, the motor housing defining a motor cavity;

[0018] The fan blades are disposed on the peripheral wall of the motor housing; the lower end of the air guide ring is located below the fan blades, and the upper end of the air guide ring is located above the fan blades.

[0019] An external rotor drive motor is disposed inside the motor cavity; an air outlet grille is provided at the air outlet, and the stator of the external rotor drive motor is mounted on the air outlet grille.

[0020] Optionally, the ratio between the minimum distance from the fan blade to the inner wall of the air guide ring and the diameter of the axial flow fan is 3 / 200 to 1 / 20;

[0021] The upper end of the air guide ring is connected to the air outlet, and the ratio between the height of the air guide ring and the diameter of the axial flow fan is 1 / 5 to 2 / 5.

[0022] Optionally, the dehumidifier further includes:

[0023] A partition is disposed within the accommodating space, and the partition is provided with a water receiving cavity and a clearance space; the heat exchanger is located above the water receiving cavity, and the axial flow fan is located above the partition;

[0024] A drawer-type water tank is disposed within the accommodating space and located below the partition, configured to receive water from the water receiving chamber;

[0025] A compressor is disposed within the accommodating space, the compressor passes through the clearance space, and a portion of the compressor is located below the partition and a portion is located above the partition.

[0026] Optionally, the partition is provided with a connecting area, which is located above the drawer-type water tank. The connecting area is configured such that air from the drawer-type water tank enters the upper side of the partition through the connecting area.

[0027] Optionally, the housing includes a base; a first bracket is provided on the lower side of the spacer portion, and the first bracket is disposed on the base; the spacer portion and the first bracket are integrally formed.

[0028] The spacer, the first bracket, and the base define a water tank installation space with the opening facing forward. The drawer-type water tank is disposed within the water tank installation space. The first bracket has a space plate opposite to the opening of the water tank installation space, and the space plate is recessed into the opening of the water tank installation space. The compressor is disposed in the recess of the space plate.

[0029] The rear wall of the drawer-type water tank is configured to conform to the shape of the space plate, so that the rear of the drawer-type water tank has a first water storage space and a second water storage space, which are located on the lateral sides of the compressor.

[0030] In this dehumidifier, the side wall of the casing has an air inlet, the top wall has an air outlet, and an axial flow fan with a guide ring around the fan allows for circumferential air intake and top air exhaust. The axial flow fan's airflow drive facilitates smooth airflow, improving the heat exchanger's efficiency. Furthermore, the axial flow fan-driven air circulation results in a large air volume, low power consumption, and low noise, contributing to energy and noise reduction while enhancing dehumidification efficiency.

[0031] Furthermore, the positional relationship between the peripheral wall of the air guide ring and the inner wall of the heat exchanger allows the airflow to flow away quickly after entering the heat exchanger, reducing accumulation inside the heat exchanger, preventing turbulence, improving the heat exchange efficiency of the heat exchanger, and thus improving the dehumidification efficiency.

[0032] The above and other objects, advantages and features of this utility model will become more apparent to those skilled in the art from the following detailed description of specific embodiments of this utility model in conjunction with the accompanying drawings. Attached Figure Description

[0033] The following sections will describe some specific embodiments of the present invention in a detailed manner by way of example and not limitation, with reference to the accompanying drawings. The same reference numerals in the drawings denote the same or similar parts or components. Those skilled in the art should understand that these drawings are not necessarily drawn to scale. In the drawings:

[0034] Figure 1 This is a schematic structural diagram of a dehumidifier according to an embodiment of the present invention;

[0035] Figure 2 yes Figure 1 A schematic structural diagram of the dehumidifier from another perspective;

[0036] Figure 3 yes Figure 1 A schematic structural diagram of the dehumidifier from another perspective;

[0037] Figure 4 yes Figure 1 A schematic structural diagram of the internal structure of the dehumidifier shown.

[0038] Figure 5 yes Figure 1 A schematic structural diagram of another internal structure of the dehumidifier shown;

[0039] Figure 6 yes Figure 1 A schematic structural diagram of another internal structure of the dehumidifier shown;

[0040] Figure 7 yes Figure 1 The diagram shows another schematic structural diagram of the internal structure of the dehumidifier.

[0041] Figure 8 yes Figure 1 A schematic structural diagram of the axial flow fan and heat exchanger in the dehumidifier shown;

[0042] Figure 9 yes Figure 1 Another schematic structural diagram of the axial flow fan and heat exchanger in the dehumidifier shown;

[0043] Figure 10 yes Figure 1 A schematic structural diagram of the first support and the partition section in the dehumidifier shown;

[0044] Figure 11 yes Figure 1A schematic structural diagram of the first support and the partition section in the dehumidifier shown;

[0045] Figure 12 yes Figure 1 A schematic structural diagram of the drawer-type water tank and water tank cover in the dehumidifier shown;

[0046] Figure 13 yes Figure 1 A schematic structural diagram of the drawer-type water tank in the dehumidifier shown;

[0047] Figure 14 yes Figure 8 A schematic cross-sectional view along plane AA in the middle;

[0048] Figure 15 yes Figure 14 A magnified schematic view of point B in the middle. Detailed Implementation

[0049] The following reference Figures 1 to 15 This description refers to a dehumidifier according to an embodiment of the present invention. In this description, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature, that is, include one or more of that feature. In the description of the present invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified. When a feature "includes or contains" one or more of the features it encompasses, unless otherwise specifically described, this indicates that other features are not excluded and may be further included.

[0050] Unless otherwise expressly specified and limited, the terms "set," "install," "connect," "link," "fix," and "couple" 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, unless otherwise expressly limited. Those skilled in the art should be able to understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0051] Furthermore, in the description of this embodiment, "above" or "below" the second feature can include direct contact between the first and second features, or it can include contact between the first and second features through another feature between them. That is, in the description of this embodiment, "above," "over," and "on top" of the second feature includes the first feature being 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," or "below" of the second feature can mean 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.

[0052] In the description of this embodiment, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0053] Figure 1 This is a schematic structural diagram of a dehumidifier according to an embodiment of the present invention; as shown below. Figure 1 As shown, and refer to Figures 2 to 15 This utility model provides a dehumidifier for dehumidifying air in the environment. The dehumidifier includes a casing 100, a heat exchanger 200, a fan, and an air guide ring 800.

[0054] A housing 100 defines an accommodating space, and the housing 100 has at least one air inlet and one air outlet communicating with the accommodating space. The air inlet is located on the side wall of the housing. The air outlet is located on the top wall of the housing 100. A heat exchanger 200 is disposed within the accommodating space. The heat exchanger 200 is configured to at least cool the air. For example, the heat exchanger 200 is configured to first cool the air as it flows through, condense the moisture in the air, and then heat the cooled air, minimizing the temperature difference between the air before entering the housing 100 and after exiting the housing 100. In some alternative embodiments, the heat exchanger 200 is used only to cool the air as it flows through.

[0055] A fan is installed within the accommodating space and configured to draw air into the space through the inlet, exchange heat with the heat exchanger 200, and then exit through the outlet. Specifically, the fan is an axial flow fan 300 with fan blades 310. The axial flow fan 300 is located below the outlet and is configured to draw in air from its lower side and blow it upwards. A columnar guide ring 800 is positioned outside the fan blades 310. The heat exchanger 200 is located outside the guide ring 800. Figure 8 and Figure 9 As shown, along the circumferential direction of the housing 100, the heat exchanger 200 includes a first heat exchange section 210, a second heat exchange section 220, and a third heat exchange section 230. Specifically, the first heat exchange section 210, the third heat exchange section 230, and the second heat exchange section 220 are arranged sequentially along the circumferential direction of the housing 100. Figure 14 and Figure 15 As shown, the ratio between the distance between the outer wall of the air guide ring 800 and the inner surface of the heat exchanger 200 and the outer diameter of the air guide ring 800 is less than or equal to 1 / 20.

[0056] When the dehumidifier of this utility model embodiment is working, the axial flow fan 300 works, and the airflow enters the casing 100 from the side air inlet. After exchanging heat with the heat exchanger 200, the airflow is cooled and the moisture is condensed to complete the dehumidification. The airflow can continue to be heated by the heat exchanger, and then enters the air guide ring 800 and flows out from the upper air outlet.

[0057] In this embodiment of the dehumidifier, the casing 100 has an air inlet on its side wall and an air outlet on its top wall. It employs an axial flow fan 300, and the axial flow fan 300 has a guide ring 800 around its periphery. This allows the dehumidifier to use a circumferential air inlet and top outlet configuration. The airflow driven by the axial flow fan 300 facilitates smooth airflow, improving the heat exchange efficiency of the heat exchanger 200. Furthermore, the axial flow fan 300 drives air circulation, resulting in a large air volume, low power consumption, and low noise, which helps reduce energy consumption and noise while improving dehumidification efficiency. The positional relationship between the guide ring 800's periphery and the heat exchanger 200's inner wall allows the airflow to flow quickly after entering the heat exchanger, reducing accumulation inside and preventing turbulence. This improves the heat exchange efficiency of the heat exchanger, thereby enhancing dehumidification efficiency.

[0058] In some preferred embodiments of this utility model, the distance between the outer wall of the air guide ring 800 and the inner surface of the heat exchanger 200 is within 10 mm. Preferably, the ratio between the distance between the outer wall of the air guide ring 800 and the inner surface of the heat exchanger 200 and the outer diameter of the air guide ring 800 is greater than or equal to 1 / 40.

[0059] In some embodiments of this utility model, such as Figure 14 and Figure 15 As shown, the plane P2 where the lower end of the air guide ring 800 is located is above the lower end face P3 of the heat exchanger 200. The ratio of the distance L3 between the plane P2 where the lower end of the air guide ring 800 is located and the lower end face P3 of the heat exchanger 200 to the outer diameter of the air guide ring 800 is 1 / 2 to 13 / 10. Combining the positional relationship between the air guide ring 800 and the heat exchanger 200 allows for uniform and smooth airflow through the heat exchanger 200, improving the heat exchange efficiency of the heat exchanger 200 and thus enhancing dehumidification efficiency.

[0060] In some embodiments of this utility model, such as Figure 14 and Figure 15 As shown, the lower end of the air guide ring 800 is located on the plane P2 below the upper end face P4 of the heat exchanger 200; the distance L4 between the lower end of the air guide ring 800 and the upper end face P4 of the heat exchanger 200 is within 10mm. This arrangement allows for a compact dehumidifier structure without affecting the air intake and exhaust of the axial fan. Most of the space outside the air guide ring 800 can be fully utilized.

[0061] In some embodiments of this utility model, the ratio between the minimum distance from the fan blade 310 to the inner wall of the guide ring 800 and the diameter D of the axial fan 300 is 3 / 200 to 1 / 20, preferably 1 / 40. The minimum distance from the fan blade 310 to the inner wall of the guide ring 800 refers to the distance between the closest point of the fan blade 310 to the inner wall of the guide ring 800 and the inner wall of the guide ring 800. Further, the diameter D of the axial fan 300 can be 200mm, and the inner diameter of the guide ring 800 can be 210mm. The special relationship between the axial fan 300 and the guide ring 800 facilitates the inflow and outflow of air, ensuring smooth airflow, increasing the air volume, and thus improving dehumidification efficiency.

[0062] In some embodiments of this utility model, such as Figures 1 to 3 As shown, there are three air inlets: a first air inlet 101, a second air inlet 102, and a third air inlet 103, which connect to the accommodating space. The first air inlet 101, the second air inlet 102, and the third air inlet 103 are respectively located on three different side walls of the casing 100. The multiple air inlets on different side walls of the casing 100 allow as much airflow as possible into the accommodating space, and the circumferential air intake and top air exhaust method facilitates smooth airflow. Furthermore, the multiple air inlets on different side walls of the casing 100 facilitate the placement of the dehumidifier. In some confined spaces, at least two side walls can be used for air intake, with upward air exhaust, making the dehumidifier suitable for various applications and enhancing its versatility.

[0063] In some embodiments of this utility model, such as Figures 1 to 11 As shown, the dehumidifier also includes a compressor 400, a support assembly 500, and a drawer-type water tank 600. The support assembly 500 is disposed within the housing 100 and has a spacer 510, on which a water receiving cavity 511 and a clearance space 512 are provided. A heat exchanger 200 is located above the water receiving cavity 511, and condensate flows along the heat exchanger into the water receiving cavity 511 and is collected there. The drawer-type water tank 600 is disposed within the receiving space and below the spacer 510, configured to receive water from the water receiving cavity 511. A perforation is provided at the bottom of the water receiving cavity 511, through which condensate flows into the drawer-type water tank 600. In some alternative embodiments, water is introduced into the drawer-type water tank 600 from the bottom of the water receiving cavity 511 via a water guide pipe. The compressor 400 is disposed within the accommodating space, passing through the clearance space 512. Part of the compressor 400 is located below the partition 510, and part is located above the partition 510. The axial flow fan 300 is located above the partition 510. This arrangement allows for a compact structure of the dehumidifier.

[0064] In some embodiments of this utility model, the lower end of the air guide ring 800 is located within the space enclosed by the heat exchanger 200. The ratio of the distance L1 between the plane P2 where the lower end of the air guide ring 800 is located and the upper end of the compressor 400 to the distance L2 between the plane P2 where the lower end of the air guide ring 800 is located and the lower end face of the heat exchanger 200 is 1 / 5 to 1 / 3. This arrangement allows for a more compact layout between the compressor 400 and other components such as the heat exchanger 200 and the axial flow fan 300, further reducing the overall volume of the dehumidifier body, improving transportation and storage efficiency, and without affecting the air delivery of the axial flow fan 300. The air delivery is smooth, the heat exchange efficiency is high, and it also facilitates the heat dissipation of the compressor 400.

[0065] In some embodiments of this utility model, such as Figures 1 to 7 As shown, the first air inlet 101, the second air inlet 102, and the third air inlet 103 are all located on the upper side of the spacer 510. The first air inlet 101, the third air inlet 103, and the second air inlet 102 are connected along the circumferential direction of the housing 100, further expanding the air inlet area. In some other embodiments of this utility model, the first air inlet 101 is formed by multiple air holes, the second air inlet 102 is formed by multiple air holes, and the third air inlet 103 is formed by multiple air holes. All the air holes are evenly distributed on the side wall of the housing 100 along the circumferential direction of the housing 100.

[0066] In some embodiments of this utility model, the first heat exchange section 210 is disposed at the first air inlet 101, the second heat exchange section 220 is disposed at the second air inlet 102, and the third heat exchange section 230 is disposed at the third air inlet 103. The heat exchanger 200 is U-shaped, which makes the internal structure more compact, increases the heat exchange area, and helps to improve the dehumidification effect.

[0067] In some embodiments of this utility model, such as Figure 8 and Figure 9 As shown, along the thickness direction of the heat exchanger 200, the heat exchanger 200 includes multiple heat exchange layers, which are sequentially arranged along the thickness direction of the heat exchanger 200. The multiple heat exchange layers may include at least one first heat exchange layer 250 and at least one second heat exchange layer 260. The second heat exchange layer 260 is disposed inside the first heat exchange layer 250 and serves as a condensation section configured to heat the air. The first heat exchange layer 250 serves as an evaporation section configured to cool the air. In some embodiments of this invention, the multiple heat exchange layers may further include at least one third heat exchange layer, which is disposed between the first heat exchange layer 250 and the second heat exchange layer 260. The upper part of the third heat exchange layer is configured to heat the air, and the lower part is configured to cool the air; or, the lower part of the third heat exchange layer is configured to heat the air, and the upper part is configured to cool the air. Each pair of adjacent heat exchange layers may be in contact to reduce volume, or each pair of adjacent heat exchange layers may be spaced apart. This invention, by adjusting the shape of the heat exchanger 200, not only reduces the size of the machine, making it easier for users to place, use, and store, but also allows some of the condensate to be dripped directly onto part of the condenser to enhance heat exchange and achieve energy saving. Since the water is dripped at the rear end of the condenser, the condenser temperature has already decreased, avoiding the risk of further evaporation of the water. In addition, there is another condenser behind it to prevent water from being blown out to the air outlet.

[0068] In some alternative embodiments of the present invention, along the height direction of the heat exchanger 200, the heat exchanger 200 includes an upper heat exchange section and a lower heat exchange section, the lower heat exchange section serves as a condensation section and is configured to heat the air, and the upper heat exchange section serves as an evaporation section and is configured to cool the air.

[0069] In some embodiments of this utility model, the thickness of each heat exchange layer is 10mm to 15mm. An appropriate heat exchange layer thickness can not only ensure the heat exchange effect, but also facilitate the rapid flow of air and avoid generating particularly large wind resistance.

[0070] In some embodiments of this utility model, such as Figure 10 and Figure 11As shown, a connecting area 513 is provided on the partition 510. The connecting area 513 is located above the drawer-type water tank 600. The connecting area 513 is configured so that air from the drawer-type water tank 600 enters the upper part of the partition 510 through the connecting area 513. When the axial flow fan 300 is working, the gas below the partition 510, i.e., the gas near the drawer-type water tank 600, flows upward through the connecting area 513 under the drive of the axial flow fan 300. The cooling capacity of the condensate in the drawer-type water tank 600 is carried away by the airflow and continues to exchange heat with the air after passing through the condenser, thereby reducing the outlet air temperature. It also helps to remove the heat generated by the nearby compressor 400 and dissipate heat from the compressor 400. In other words, by setting the connecting area 513, the axial flow fan 300 located above and the drawer-type water tank form a certain ventilation circulation, allowing the cooling capacity of the condensate in the water tank to circulate upward. This can be used to dissipate heat from the side compressor 400 and also to continue exchanging heat with the air after passing through the condenser, thereby reducing the outlet air temperature. Multiple connecting holes are provided in the connecting area 513, which is located on the lower side of the space enclosed by the heat exchanger 200, preferably directly below the axial flow fan 300.

[0071] In some embodiments of this utility model, such as Figure 4 As shown, the dehumidifier also includes a control box 700, which is disposed within the accommodating space. Part of the control box 700 is located above the partition 510, and part is located below the partition 510. Horizontally, the control box 700 and the compressor 400 are located behind the partition 510. Laterally, the control box 700 is located to one side of the compressor 400, which is located in the middle of the accommodating space. The lower end of the control box 700 facing the compressor 400 forms a chamfer. One of the compressor 400's legs is located below the chamfer, maximizing space utilization and facilitating compressor 400 installation.

[0072] In some embodiments of this utility model, such as Figure 12 and Figure 13As shown, in order to store as much condensate as possible, make reasonable use of space, and place the water tank as close as possible to the compressor 400 for heat dissipation, the rear wall of the drawer-type water tank 600 is recessed forward, so that the rear part of the drawer-type water tank 600 has a first water storage space 610 and a second water storage space 620. The first water storage space 610 and the second water storage space 620 are located on the lateral sides of the compressor 400, and the first water storage space 610 is located on the front side of the control box 700. That is to say, the compressor 400 is set in the recessed area, so that the opposite sides of the compressor 400 can be fully utilized. The rear end of the drawer-type water tank 600 is correspondingly set to form a water storage part close to the sides of the compressor 400, forming a partial surrounding structure of the compressor 400, which allows the cooling capacity in the water tank to be more fully used for heat dissipation of the compressor 400. In other words, the shape of the drawer-type water tank 600 needs to be combined with the shape of the compressor 400 to form a small air cavity in the middle. By taking advantage of the low temperature of the condensate in the water tank, the cooling capacity of the condensate in the water tank can be used to cool the compressor 400 and the control box 700, thereby achieving energy saving and efficiency improvement.

[0073] In some embodiments of this utility model, a water tank cover 630 is provided at the upper opening of the drawer-type water tank 600 to prevent condensate from overflowing as much as possible, further preventing condensate from affecting the compressor 400, control box 700, etc., ensuring electrical safety, and also preventing condensate from corroding structural components. The water tank cover 630 is provided with a through hole 631 to allow condensate to enter the drawer-type water tank 600, so that water in the water receiving chamber 511 enters the drawer-type water tank 600 through the through hole 631.

[0074] In some embodiments of this utility model, such as Figure 8 and Figure 9 as well as Figure 14 and Figure 15 As shown, the distances between the central axis of the axial fan 300 and the first heat exchange section 210, the second heat exchange section 220, and the third heat exchange section 230 are all equal. The distance between the central axis of the axial fan 300 and the vertical central axis of the heat exchanger 200 is less than or equal to 1 / 10 of the distance between the central axis of the axial fan 300 and the third heat exchange section 230. This arrangement allows the airflow to pass fully through the heat exchanger 200, improving heat dissipation and promoting smooth airflow.

[0075] In some embodiments of this utility model, such as Figure 8 and Figure 9 as well as Figure 14 and Figure 15As shown, the ratio between the height H of the guide ring 800 and the diameter D of the axial fan 300 is 1 / 5 to 2 / 5. The guide ring 800 has sufficient height to allow the airflow generated by the axial fan 300 to be smoother, faster, and with a larger air volume.

[0076] In some embodiments of this utility model, such as Figure 8 and Figure 9 as well as Figure 14 and Figure 15 As shown, the lower end of the air guide ring 800 is located below the fan blade 310. The ratio of the minimum distance between the fan blade 310 and the plane P2 containing the lower end of the air guide ring 800 to the height of the air guide ring 800 is 1 / 10 to 1 / 4. The upper end of the air guide ring 800 is located above the fan blade 310. The ratio of the minimum distance between the fan blade 310 and the plane P1 containing the upper end of the air guide ring 800 to the height of the air guide ring 800 is 1 / 10 to 1 / 4. The fan blade 310 being located within the air guide ring 800 reduces airflow turbulence and ensures smooth airflow. The minimum distance between the fan blade 310 and the plane P2 containing the lower end of the air guide ring 800 refers to the distance between the closest point of the fan blade 310 to the plane P2 containing the lower end of the air guide ring 800 and the plane P2 containing the lower end of the air guide ring 800. The minimum distance from the fan blade 310 to the plane P1 where the upper end of the air guide ring 800 is located refers to the distance between the closest point of the fan blade 310 to the plane P1 where the upper end of the air guide ring 800 is located and the plane P1 where the upper end of the air guide ring 800 is located.

[0077] In some embodiments of this utility model, such as Figure 8 and Figure 9 as well as Figure 14 and Figure 15 As shown, the axial flow fan 300 also includes a motor housing and an external rotor drive motor 320. Fan blades 310 are disposed on the peripheral wall of the motor housing. A motor cavity is defined within the motor housing. The external rotor drive motor 320 is disposed within the motor cavity. An air outlet grille 900 is provided at the air outlet, and the stator of the external rotor drive motor 320 is mounted on the air outlet grille 900.

[0078] In some embodiments of this utility model, such as Figure 8 and Figure 9 as well as Figure 14 and Figure 15 As shown, the ratio between the diameter of the motor housing and the diameter D of the axial flow fan is 1 / 2 to 3 / 5. The size of the fan blades 310 is set so that the airflow can be reasonably distributed within the air guide ring 800, improving the smoothness of airflow.

[0079] In some embodiments of this utility model, such as Figure 8 and Figure 9 as well as Figure 14 and Figure 15 As shown, the air outlet grille 900 includes a receiving cylinder 910, a display input device 920, and a ventilation grille 930. The opening of the receiving cylinder 910 faces upward, and a computer board is installed inside the receiving cylinder 910. The computer board is electrically connected to the external rotor drive motor 320. The receiving cylinder 910 is located directly above the external rotor drive motor 320. The stator is mounted on the receiving cylinder 910. The display input device 920 is located at the upper opening of the receiving cylinder 910 to cover the receiving cylinder 910, and is configured to display and receive input. The placement of the display input device 920 is advantageous for users to operate the dehumidifier, as the display is easily observed and convenient for user operation, ensuring user convenience and intuitiveness. Through a reasonable layout, the operation of the dehumidifier becomes simpler and more intuitive. Furthermore, the display control area is located directly above the center of the axial flow fan 300, where the airflow is relatively small, which can prevent the temperature of electrical components from rising due to the outlet air temperature. The ventilation grille 930 is located around the display section to allow airflow to pass through.

[0080] In some embodiments of this utility model, such as Figures 1 to 7 As shown, the housing 100 includes a base 110 and a top cover 120. The top cover 120 forms the top wall of the housing 100, and the air outlet is disposed on the top cover 120. Figure 10 , Figure 11 As shown, the support assembly 500 also includes a first bracket 520 and a second bracket 530. The first bracket 520 is disposed on the base 110, and the spacer portion 510 is disposed on the first bracket 520. Preferably, the spacer portion 510 and the first bracket 520 are integrally formed, which can improve the integration of components, reduce the overall structure of the dehumidifier, and facilitate production and assembly. The spacer portion 510 and the first bracket 520 are made of plastic and can be integrally formed by injection molding. The second bracket 530 is disposed on the spacer portion 510; the top cover 120 is disposed on the second bracket 530. The heat exchanger 200 can be installed between the spacer portion 510 and the second bracket 530.

[0081] In some embodiments of this utility model, such as Figures 1 to 7As shown, the housing also includes a first side plate 130, a second side plate 140, a third side plate 150, a first air inlet plate, a second air inlet plate, and a third air inlet plate. The first side plate 130 is disposed on one side of the base 110 and is located between the base 110 and the spacer 510. The first air inlet 101 is located above the first side plate 130. The second side plate 140 is disposed on the other side of the base 110 and is located between the base 110 and the spacer 510. The third air inlet 103 is located above the second side plate 140. The third side plate 150 is disposed between the top cover 120 and the base 110, and is located between the first side plate 130 and the second side plate 140. The first air inlet plate is disposed above the first side plate 130, and the first air inlet plate and the first side plate 130 form the sidewall of the housing 100. The first air inlet 101 is disposed on the first air inlet plate. The second air inlet plate is disposed on the upper side of the second side plate 140, and the second air inlet plate and the second side plate 140 form the side wall of the housing 100. The second air inlet 102 is disposed on the second air inlet plate. The third air inlet plate is disposed opposite to the third side plate 150, located on the upper side of the front wall of the drawer-type water tank 600, and the third air inlet plate forms the side wall of the housing 100. The front surface of the third air inlet plate and the front surface of the drawer-type water tank 600 may be on the same plane. The third air inlet 103 is disposed on the third air inlet plate. Specifically, the first air inlet plate, the second air inlet plate and the third air inlet plate are each provided with multiple air holes to form the corresponding first air inlet 101, second air inlet 102 and third air inlet 103.

[0082] In some embodiments of this utility model, such as Figures 1 to 7 As shown, and Figure 10 and Figure 11 As shown, the spacer 510, the first bracket 520, and the base 110 define a water tank mounting space 540. The opening of the water tank mounting space 540 faces away from the third side plate 150, and the drawer-type water tank 600 is disposed within the water tank mounting space 540. The water tank mounting space 540 helps prevent condensate from affecting other components, especially the compressor 400 and control box 700, ensuring electrical safety and preventing condensate from corroding structural components. The first bracket 520 has a space plate 521 opposite to the opening of the water tank mounting space 540. The space plate 521 is recessed into the opening of the water tank mounting space 540, and the compressor 400 is disposed in the recess of the space plate 521. The rear wall of the drawer-type water tank 600 is configured to conform to the shape of the space plate 521.

[0083] Therefore, those skilled in the art should recognize that although many exemplary embodiments of the present invention have been shown and described in detail herein, many other variations or modifications conforming to the principles of the present invention can be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention should be understood and recognized as covering all such other variations or modifications.

Claims

1. A dehumidifier, characterized in that, include: The housing has a defined accommodating space inside, and the housing has a first air inlet, a second air inlet, a third air inlet, and an air outlet that communicate with the accommodating space; the first air inlet, the second air inlet, and the third air inlet are respectively located on three different side walls of the housing; the air outlet is located on the top wall of the housing. A heat exchanger is disposed within the accommodating space and configured to at least cool air; the heat exchanger includes a first heat exchange section, a second heat exchange section, and a third heat exchange section; the first heat exchange section, the third heat exchange section, and the second heat exchange section are arranged sequentially along the circumferential direction of the housing; the first heat exchange section is disposed at the first air inlet, the second heat exchange section is disposed at the second air inlet, and the third heat exchange section is disposed at the third air inlet; An axial flow fan is disposed within the accommodating space and located below the air outlet; the axial flow fan is configured to draw in air from its lower side and blow it upward, so as to cause air to enter the accommodating space from the air inlet, exchange heat with the heat exchanger, and then flow out from the air outlet; the distance between the central axis of the axial flow fan and the first heat exchange section, the distance between the second heat exchange sections, and the distance between the third heat exchange sections are all equal; An air guide ring, which is columnar, is disposed on the outside of the axial flow fan, and the heat exchanger is located on the outside of the air guide ring; the ratio between the distance between the outer wall of the air guide ring and the inner surface of the heat exchanger and the outer diameter of the air guide ring is less than or equal to 1 / 20.

2. The dehumidifier according to claim 1, characterized in that, The distance between the outer wall of the air guide ring and the inner surface of the heat exchanger is within 10 mm.

3. The dehumidifier according to claim 1, characterized in that, The ratio of the distance between the outer wall of the air guide ring and the inner surface of the heat exchanger to the outer diameter of the air guide ring is greater than or equal to 1 / 40.

4. The dehumidifier according to claim 1, characterized in that, The lower end of the air guide ring is located within the space enclosed by the heat exchanger; The plane at the lower end of the air guide ring is located above the lower end face of the heat exchanger, and the ratio between the distance between the plane at the lower end of the air guide ring and the lower end face of the heat exchanger and the outer diameter of the air guide ring is 1 / 2 to 13 / 10.

5. The dehumidifier according to claim 1, characterized in that, Along the thickness direction of the heat exchanger, the heat exchanger includes a plurality of heat exchange layers arranged sequentially along the thickness direction of the heat exchanger; the innermost heat exchange layer is configured to heat the air, and the outermost heat exchange layer is configured to cool the air.

6. The dehumidifier according to claim 5, characterized in that, The thickness of each heat exchange layer is 10 mm to 15 mm; The first air inlet, the third air inlet, and the second air inlet are connected along the circumferential direction of the housing.

7. The dehumidifier according to claim 1, characterized in that, The axial flow fan also includes: A motor housing, the motor housing defining a motor cavity; The fan blades are disposed on the peripheral wall of the motor housing; the lower end of the air guide ring is located below the fan blades, and the upper end of the air guide ring is located above the fan blades. An external rotor drive motor is disposed inside the motor cavity; an air outlet grille is provided at the air outlet, and the stator of the external rotor drive motor is mounted on the air outlet grille; The ratio between the minimum distance from the fan blade to the inner wall of the air guide ring and the diameter of the axial flow fan is 3 / 200 to 1 / 20; The upper end of the air guide ring is connected to the air outlet, and the ratio between the height of the air guide ring and the diameter of the axial flow fan is 1 / 5 to 2 / 5.

8. The dehumidifier according to claim 1, characterized in that, Also includes: A partition is disposed within the accommodating space, and the partition is provided with a water receiving cavity and a clearance space; the heat exchanger is located above the water receiving cavity, and the axial flow fan is located above the partition; A drawer-type water tank is disposed within the accommodating space and located below the partition, configured to receive water from the water receiving chamber; The compressor is disposed within the accommodating space, the compressor passes through the clearance space, and a portion of the compressor is located below the partition and a portion is located above the partition.

9. The dehumidifier according to claim 8, characterized in that, The partition is provided with a connecting area, which is located on the upper side of the drawer-type water tank. The connecting area is configured such that air from the drawer-type water tank enters the upper side of the partition through the connecting area.

10. The dehumidifier according to claim 8, characterized in that, The housing includes a base; a first bracket is provided on the lower side of the partition, and the first bracket is disposed on the base; the partition and the first bracket are integrally formed. The spacer, the first bracket, and the base define a water tank installation space with the opening facing forward. The drawer-type water tank is disposed within the water tank installation space. The first bracket has a space plate opposite to the opening of the water tank installation space, and the space plate is recessed into the opening of the water tank installation space. The compressor is disposed in the recess of the space plate. The rear wall of the drawer-type water tank is configured to conform to the shape of the space plate, so that the rear of the drawer-type water tank has a first water storage space and a second water storage space, which are located on the lateral sides of the compressor.

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