Dehumidifying and drying equipment

Abstract

The dehumidifying and drying equipment comprises a box body and an air collecting box, a containing cavity is defined in the box body, an air return part is arranged above the containing cavity in a penetrating mode, and an evaporator, a condenser and a fan assembly are sequentially arranged in the containing cavity at intervals; the fan assembly is provided with an air inlet part and an air outlet part, an airflow channel is formed between the air inlet part and the air return part, and the position of the air outlet part is lower than that of the air return part; an air collecting cavity with an air outlet in the top is defined in the air collecting box, an air inlet is formed in one side of the air collecting cavity in a penetrating mode and communicates with the air outlet part, and the air outlet direction of the air outlet part faces the air collecting cavity; a rotary air nozzle is rotatably arranged in the air collecting cavity and located below the air outlet. According to the dehumidifying and drying equipment, the problems of airflow reflection, large wind loss, large wind noise, low drying efficiency and the like of traditional dehumidifying equipment can be solved.

Description

Technical Field

[0001] The present invention relates to the technical field of indoor dehumidification equipment, and particularly to a dehumidifying and drying device. Background Art

[0002] In humid seasons, such as the rainy season and the period of humid weather known as "returning south" in some regions, the indoor environment is prone to becoming humid, and it is very difficult for clothes to dry naturally. Usually, indoor dehumidification equipment is used to dehumidify the indoor environment. In traditional indoor dehumidification equipment, an air outlet box is provided at the bottom. The air flow blown by the air wheel blows vertically towards the bottom of the housing, then blows towards one side of the width of the housing, then turns towards the air outlet box and blows into the interior of the air outlet box, and finally blows out from the air outlet at the top of the air outlet box. It can be seen that since the air flow blown by the air wheel blows vertically towards the bottom of the housing, it is easy to generate air flow collisions, thereby forming reflected air flows. When the reflected air flows blow towards one side of the housing again, a part of the reflected air flows will be formed. The air flow entering the air outlet box will also generate several reflected air flows inside the air outlet box. Finally, the wind force blowing out from the air outlet of the air outlet box is relatively small. The path of the air flow from the air wheel to the air outlet generates multiple reflections, resulting in a large loss of the wind force entering the air outlet box. As a result, the air volume at the air outlet becomes smaller, reducing the drying efficiency, and the generated wind noise is also relatively large. Summary of the Invention

[0003] Based on this, an embodiment of the present invention provides a dehumidifying and drying device, which can solve problems such as air flow reflection, large wind loss, large wind noise, and low drying efficiency of traditional dehumidification equipment.

[0004] To achieve the above object, the technical solution adopted by the present invention is as follows:

[0005] A dehumidifying and drying device includes a box body and an air collecting box. The air collecting box is arranged on one side of the box body. An accommodation cavity is defined inside the box body. An air return part is penetrated and opened above the accommodation cavity. An evaporator, a condenser, a compressor, and a fan assembly are arranged inside the accommodation cavity. The evaporator and the condenser are both connected to the compressor. The fan assembly is provided with an air inlet part and an air outlet part. An air flow channel is formed between the air inlet part and the air return part.

[0006] An air collecting cavity with an air outlet at the top is defined inside the air collecting box. An air inlet is penetrated and opened on one side of the air collecting cavity. The air outlet part is communicated with the air inlet, and the air outlet direction of the air outlet part is directly opposite to and faces the air inlet. A rotating air nozzle is rotatably arranged inside the air collecting cavity, and the rotating air nozzle is located below the air outlet.

[0007] Thus, in the embodiment of the present invention, by arranging the return air part above the front side of the box body, the water vapor volatilized from the clothes can be quickly sucked into the accommodating cavity. After being evaporated and dried by the evaporator and the condenser, the dry hot air flow enters from the air inlet part of the fan assembly and outputs dry hot air from the air outlet part of the fan assembly facing the air collecting box. By using the connection mode where the air outlet part is directly facing the air inlet, the effect of directly blowing the air flow into the air collecting cavity of the air collecting box can be achieved, thereby avoiding the reflection phenomenon of the air flow blown out from the air outlet part and the inner wall of the box body, reducing the wind force loss and noise of the air flow; further, through the guiding action of the rotating air nozzle, the air flow can be blown more smoothly towards the air outlet of the air collecting box, and by rotating the rotating air nozzle, the air flow blown out from the air outlet of the air collecting box can achieve the effect of automatic swing, reducing the wind force blind area, making the dry air flow act more evenly above the air collecting box, effectively improving the drying effect, and avoiding the risk of damage to the clothes caused by the dry hot air directly blowing on specific parts of the clothes.

[0008] As an implementation manner, a stepping motor is arranged inside the air collecting cavity. The stepping motor is drivingly connected to the rotating air nozzle and is used to drive the rotating air nozzle to rotate. Thus, in the embodiment of the present invention, by arranging a stepping motor inside the air collecting cavity, the stepping motor is used to drive the rotating air nozzle to rotate, so that the air flow blown out from the air outlet can be sent out at different angles after the swing guidance of the rotating air nozzle, achieving the effect that the air outlet angle can be automatically adjusted, reducing the blind area of the air outlet air flow, and making the drying process more uniform.

[0009] As an implementation manner, a plurality of ventilation channels are defined at intervals along the length direction of the rotating air nozzle. The stepping motor is drivingly connected to one end of the rotating air nozzle, and the other end of the rotating air nozzle is rotatably arranged in the air collecting cavity through a bearing. Thus, in the embodiment of the present invention, by defining a plurality of ventilation channels on the rotating air nozzle, more air outlet channels for the air flow can be provided, ensuring unobstructed air outlet of the air flow and further improving the drying effect.

[0010] As an implementation manner, the fan assembly includes a driving motor, rotating shafts are respectively arranged at two ends of the driving motor, and centrifugal fans are coaxially and rigidly connected to the rotating shafts at two ends of the driving motor respectively. A double-suction volute is sleeved outside each centrifugal fan. Air inlets are respectively formed at two axial ends of each double-suction volute, and the air inlets at two ends of the two double-suction volutes together form the air inlet part. The circumferential side walls of the two double-suction volutes define the air outlet part in the same direction, and the two air outlet parts penetrate through the lower part of the box body. Therefore, in the embodiment of the present invention, by adopting the structure of the double-suction volute and respectively arranging air inlets at two ends of the double-suction volute, the fan assembly has four air inlets, effectively improving the air inlet efficiency of the fan assembly; in addition, in the embodiment of the present invention, through the air outlet parts on the two double-suction volutes, the air outlet efficiency of the fan assembly can be improved.

[0011] As an implementation manner, the axial direction of the rotating shaft is parallel to the width direction of the box body, and the air inlets at two ends of the double-suction volute are arranged coaxially with the rotating shaft; two ends of the driving motor are respectively arranged at intervals with the adjacent double-suction volutes, and two ends of the two double-suction volutes away from each other are respectively arranged at intervals with two sides of the accommodating cavity. Therefore, in the embodiment of the present invention, by arranging the axial direction of the double-suction volute and the rotating shaft parallel to the width direction of the box body, the air inlets at two ends of the double-suction volute are arranged perpendicular to the height direction of the box body. In this way, the double-suction volute can be provided with an air outlet part on its circumferential side wall, and the air outlet part can be directly opposite to the air inlet of the air collecting box, so that the air flow can directly blow into the air collecting cavity of the air collecting box, effectively reducing the reflection phenomenon of the air flow; in addition, in the embodiment of the present invention, by respectively arranging a certain distance between the outer ends of the two double-suction volutes and two sides of the accommodating cavity, and respectively arranging a certain distance between the inner ends of the two double-suction volutes and two ends of the driving motor, to ensure the smooth air inlet of the two double-suction volutes and reduce the wind noise.

[0012] As an implementation manner, the fan assembly further includes a fan fixing seat and a fixing pressing plate. The fan fixing seat is arranged at the bottom of the accommodating cavity, the driving motor is fixedly installed on the fan fixing seat, and the two double-suction volutes are respectively fixedly installed on the fan fixing seat through the fixing pressing plate. Therefore, in the embodiment of the present invention, by arranging the fan fixing seat and the fixing pressing plate in the accommodating cavity, it is convenient to install and fix the driving motor and the two double-suction volutes.

[0013] As an implementation manner, the air outlet part is an arc-shaped air duct structure, and an arc-shaped air duct is formed inside the air outlet part. The air outlet end of the arc-shaped air duct is communicated with the air inlet. Thus, in the embodiment of the present invention, by designing the air outlet part as an arc-shaped air duct structure, the air outlet end of the air outlet part can be directly opposite to the air inlet of the air collecting box, and the air outlet part is directly communicated with the air inlet. In this way, the air flow blown out from the air outlet part can directly blow into the air collecting cavity of the air collecting box, effectively reducing the reflection phenomenon of the air flow.

[0014] As an implementation manner, air guiding ribs are respectively arranged on both sides of the air collecting cavity at the air inlet, and the area of the air outlet is larger than the opening area of the air outlet part. Thus, in the embodiment of the present invention, by respectively arranging air guiding ribs on both sides of the air inlet, the air flow blown into the air collecting cavity from the air outlet part can be guided, so as to reduce the generation of eddy currents.

[0015] As an implementation manner, the evaporator, the condenser and the fan assembly are sequentially arranged at intervals in the vertical direction of the accommodating cavity; a water receiving tray is arranged below the evaporator, and the condenser is arranged below the water receiving tray. Thus, in the embodiment of the present invention, by arranging the evaporator, the condenser and the fan assembly in a layout along the vertical direction, the thickness of the box body can be made smaller, which is beneficial to placing the box body against the wall and saves more space. In addition, in the embodiment of the present invention, by arranging a water receiving tray below the evaporator, the humid air passing through the evaporator is evaporated and then flows back into the water receiving tray, avoiding the water droplets generated by the evaporator from directly draining into the condenser and the fan assembly below it.

[0016] As an implementation manner, a first air return opening is opened at the top of the box body, the front side of the box body inclines backward to form an inclined surface, and a second air return opening is opened on the inclined surface. The first air return opening and the second air return opening together form the air return part; the evaporator is arranged parallel to the inclined surface, and the evaporator, the first air return opening and the second air return opening form an air return channel. Thus, in the embodiment of the present invention, by arranging an inclined surface above the front side of the box body and opening a second air return opening on the inclined surface to form an upward inclined air return angle, it is beneficial to improve the air inlet efficiency above the box body; at the same time, the design of the inclined surface can also prevent the hanging clothes from completely blocking the second air return opening, and the first air return opening at the top of the box body is used as auxiliary air inlet to ensure the smooth air inlet of the equipment.

[0017] For better understanding and implementation, the present invention will be described in detail below with reference to the accompanying drawings. Description of the Drawings

[0018] Figure 1 It is one of the schematic cross-sectional views of a traditional dehumidification device;

[0019] Figure 2Schematic diagram II of the cross-section of a traditional dehumidification device;

[0020] Figure 3 Reflected air flow path diagram at the air outlet of a traditional dehumidification device;

[0021] Figure 4 Schematic diagram of the overall structure of the dehumidifying and drying device according to an embodiment of the present invention;

[0022] Figure 5 Schematic diagram of the internal structure of the dehumidifying and drying device according to an embodiment of the present invention;

[0023] Figure 6 Exploded view of the dehumidifying and drying device according to an embodiment of the present invention;

[0024] Figure 7 Schematic diagram of the cross-section of the dehumidifying and drying device according to an embodiment of the present invention;

[0025] Figure 8 Exploded view of the fan assembly of the dehumidifying and drying device according to an embodiment of the present invention;

[0026] Figure 9 Schematic diagram of the structure of the air collecting box of the dehumidifying and drying device according to an embodiment of the present invention;

[0027] Figure 10 Exploded view of the air collecting box of the dehumidifying and drying device according to an embodiment of the present invention;

[0028] Figure 11 Schematic diagram of the structure of the rotating air nozzle of the dehumidifying and drying device according to an embodiment of the present invention;

[0029] Figure 12 Schematic diagram I of the air flow path of the dehumidifying and drying device according to an embodiment of the present invention;

[0030] Figure 13 Schematic diagram II of the air flow path of the dehumidifying and drying device according to an embodiment of the present invention;

[0031] Figure 14 Reference diagram of the usage state of the dehumidifying and drying device according to an embodiment of the present invention.

[0032] Explanation of reference numerals: 10, box body; 11, return air part; 12, first return air inlet; 13, second return air inlet; 14, evaporator; 15, water receiving tray; 16, condenser; 17, compressor; 18, fan assembly; 19, drive motor; 20, centrifugal impeller; 21, double-suction volute; 22, air inlet part; 23, air outlet part; 24, fan fixing seat; 25, fixing pressing plate; 26, air collecting box; 27, air box upper cover; 28, air box lower cover; 29, air inlet; 30, air outlet; 31, air guiding rib; 32, stepping motor; 33, rotating air nozzle; 34, ventilation duct. Detailed implementation manners

[0033] To further illustrate the embodiments, the present invention provides accompanying drawings. These drawings are part of the disclosure of the present invention, mainly used to illustrate the embodiments, and can be combined with the relevant descriptions in the specification to explain the operating principle of the embodiments. With reference to these contents, those of ordinary skill in the art should be able to understand other possible embodiments and the advantages of the present invention.

[0034] In humid seasons, such as the rainy season, the period of dampness returning to the south, etc., the indoor environment is prone to becoming humid, and it is very difficult for clothes to dry naturally. Usually, indoor dehumidification equipment is used to dehumidify the indoor environment. Traditional indoor dehumidification equipment consists of a housing, a compressor, an evaporator, a condenser, a wind wheel, a motor, and a double-suction volute built into the housing. An air outlet is provided at the top of the housing, and an air inlet is provided on the side of the housing. Traditional dehumidification equipment can also be used for drying wet clothes. Hang the wet clothes on a clothes drying rod, and then place the dehumidification equipment close to the wet clothes and make the air outlet face the wet clothes to blow air.

[0035] As Figures 1 to 3 shown, in order to blow the air flow from the bottom of the dehumidification equipment upwards, some dehumidification equipment is provided with an air outlet box at its bottom, and the axis of the single-suction worm wheel is set perpendicular to the width direction of the housing, so that the air inlet of the single-suction worm wheel is vertically upward, the air outlet of the single-suction worm wheel is vertically oriented, the air flow blown by the wind wheel blows vertically towards the bottom of the housing, then blows towards one side of the width of the housing, then turns to the air outlet box and blows into the interior of the air outlet box, and finally blows out from the air outlet at the top of the air outlet box. It can be seen that since the air flow blown by the wind wheel blows vertically towards the bottom of the housing, it is easy to generate air flow collisions, thereby forming reflected air flow. When it blows towards one side of the housing again, a part of the reflected air flow will be formed again. The air flow entering the air outlet box will generate several reflected air flows inside the air outlet box, and finally the wind force blown out from the air outlet of the air outlet box is small. The air flow path from the wind wheel to the air outlet generates multiple reflections, resulting in a large loss of the wind force entering the air outlet box, thereby reducing the air volume at the air outlet and lowering the drying efficiency, and generating relatively large wind noise. In addition, the air outlet angle of the traditional air outlet box cannot be automatically adjusted, resulting in that the air flow in the air outlet box can only be blown in a certain direction and cannot be evenly blown towards the clothes, easily causing the local temperature of the clothes to be too high and affecting the quality of the clothes.

[0036] Based on this, the embodiments of the present invention provide a dehumidifying and drying equipment with less wind loss and lower wind noise. In order to reduce the generation of reflected air flow, by directly facing the air outlet of the fan assembly to the air inlet of the air collecting box, and arranging a rotating air nozzle below the air outlet of the air collecting box, so that the air blown by the fan assembly can directly blow into the interior of the air collecting box, and through the air guiding effect of the rotating air nozzle, the air flow is guided to the air outlet, thereby solving the problems of air flow reflection and air flow turning from the fan assembly to the air collecting box.

[0037] Please refer to Figures 4 to 8 ; An embodiment of the present invention provides a dehumidifying and drying device, including a box body 10 and an air collecting box 26. The air collecting box 26 is arranged below one side of the box body 10; an accommodating cavity is defined inside the box body 10, and an air return part 11 is penetratingly opened above the accommodating cavity. An evaporator 14, a condenser 16, a compressor 17, and a fan assembly 18 are sequentially and spacedly arranged inside the accommodating cavity. Both the evaporator 14 and the condenser 16 are connected to the compressor 17; the fan assembly 18 is provided with an air inlet part 22 and an air outlet part 23, and an air flow channel is formed between the air inlet part 22 and the air return part 11; an air collecting cavity with an air outlet 30 at the top is defined inside the air collecting box 26, and an air inlet 29 is penetratingly opened on one side of the air collecting cavity. The air inlet 29 is communicated with the air outlet part 23, and the air outlet direction of the air outlet part 23 is directly facing the air collecting cavity; a rotary air nozzle 33 is rotatably arranged inside the air collecting cavity, and the rotary air nozzle 33 is located below the air outlet 30.

[0038] Thus, in the embodiment of the present invention, by arranging the air return part 11 above the front side of the box body 10, the water vapor volatilized from the clothes can be quickly sucked into the accommodating cavity. After being evaporated and dried by the evaporator 14 and the condenser 16, the dry hot air flow enters from the air inlet part 22 of the fan assembly 18 and is output from the air outlet part 23 of the fan assembly 18 directly facing the air collecting box 26. By using the connection method that the air outlet part 23 and the air inlet 29 are directly facing each other, the effect of directly blowing the air flow into the air collecting cavity of the air collecting box 26 can be achieved, thereby avoiding the reflection phenomenon of the air flow blown out from the air outlet part 23 with the inner wall of the box body 10, reducing the wind force loss and noise of the air flow; further through the guiding action of the rotary air nozzle 33, the air flow can be blown more smoothly towards the air outlet 30 of the air collecting box 26, and by using the rotation of the rotary air nozzle 33, the air flow blown out from the air outlet 30 of the air collecting box 26 can achieve the effect of automatic swing, reducing the wind force blind area, making the dry air flow act more uniformly above the air collecting box 26, effectively improving the drying effect, and avoiding the risk of damage to the clothes caused by the dry hot air directly blowing on specific parts of the clothes.

[0039] In the embodiment of the present invention, the air collecting box 26 can be arranged at the bottom of the front side of the box body 10 and jointly form an "L" - shaped structure with the box body 10; in this way, the air return part 11 is located above the box body 10, and the air outlet 30 of the air collecting box 26 is located below the front side of the box body 10, so as to form an air flow path of "returning air from above and discharging air from below", enabling the humid air to be quickly sucked into the accommodating cavity by the air return part 11, and the hot air blown out from the air outlet 30 can dry the lower half area of the clothes, which is more beneficial to drying the clothes.

[0040] Such as Figure 5 and Figure 7As shown, in the embodiment of the present invention, the evaporator 14, the condenser 16, and the fan assembly 18 are sequentially arranged at intervals in the vertical direction of the accommodation cavity. Thus, in the embodiment of the present invention, by arranging the evaporator 14, the condenser 16, and the fan assembly 18 in the vertical direction, the thickness of the cabinet 10 can be made smaller, which is beneficial for the cabinet 10 to be placed against the wall and saves more space. Further, a water receiving tray 15 is provided below the evaporator 14, and the condenser 16 is arranged below the water receiving tray 15; in this way, the moist air passing through the evaporator 14 is evaporated and then flows back into the water receiving tray 15, avoiding the water droplets generated by the evaporator 14 from directly draining into the condenser 16 and the fan assembly 18 below it; in order to facilitate the drainage of the water in the water receiving tray 15 to the outside, a drainage hole is provided on the side wall of the water receiving tray 15 in the embodiment of the present invention, and a drain pipe is hermetically connected to the drainage hole. In this way, the water in the water receiving tray can be drained to a floor drain or other water tanks through the drain pipe.

[0041] In order to facilitate the installation and fixation of the evaporator 14 and the condenser 16, in the embodiment of the present invention, a first fixing plate for fixedly installing the evaporator 14 and a second fixing plate for fixedly installing the condenser 16 are provided in the accommodation cavity. In addition, the condenser 16 in the embodiment of the present invention is located below the evaporator 14 and is arranged perpendicular to the evaporator 14; thus, a triangular air flow channel can be formed between the evaporator 14 and the condenser 16 in the embodiment of the present invention, so as to guide the air flow passing through the evaporator 14 more smoothly into the condenser 16.

[0042] As Figure 4 and Figure 7 shown, in the embodiment of the present invention, a first air return opening 12 is provided at the top of the cabinet 10, the front side of the cabinet 10 slopes backward and forms an inclined surface, and a second air return opening 13 is provided on the inclined surface. The first air return opening 12 and the second air return opening 13 together form an air return part 11; the evaporator 14 is arranged parallel to the inclined surface, and the evaporator 14 forms an air return channel with the first air return opening 12 and the second air return opening 13. That is to say, in the embodiment of the present invention, by providing an inclined surface above the front side of the cabinet 10 and providing a second air return opening 13 on the inclined surface to form an upwardly inclined air return angle, it is beneficial to improve the air inlet efficiency above the cabinet 10; at the same time, the design of the inclined surface can also prevent the hanging clothes from completely blocking the second air return opening 13, and use the first air return opening 12 at the top of the cabinet 10 as an auxiliary air inlet to ensure the smooth air inlet of the equipment.

[0043] As Figure 6 and Figure 8As shown in the figure, the fan assembly 18 of the embodiment of the present invention includes a driving motor 19. Rotating shafts are respectively arranged at both ends of the driving motor 19, and centrifugal fans 20 are coaxially and rigidly connected to the rotating shafts at both ends of the driving motor 19. A double-suction volute 21 is provided outside each centrifugal fan 20. Air inlets are respectively opened at both axial ends of each double-suction volute 21, and the air inlets at both ends of the two double-suction volutes 21 together form an air inlet part 22. In addition, the circumferential side walls of the two double-suction volutes 21 define an air outlet part 23 in the same direction, and the two air outlet parts 23 penetrate through the lower part of the box body 10. Thus, in the embodiment of the present invention, by adopting the structure of the double-suction volute 21 and providing air inlets at both ends of the two double-suction volutes 21, the fan assembly 18 has four positions for air intake, effectively improving the air intake efficiency of the fan assembly 18. In addition, in the embodiment of the present invention, through the air outlet parts 23 on the two double-suction volutes 21, the air outlet efficiency of the fan assembly 18 can be improved.

[0044] As Figure 7 and Figure 8 shown, the air outlet part 23 of the embodiment of the present invention is an arc-shaped air duct structure. An arc-shaped air duct is formed inside the air outlet part 23, and the air outlet end of the arc-shaped air duct is communicated with the air inlet 29. Thus, in the embodiment of the present invention, by designing the air outlet part 23 as an arc-shaped air duct structure, the air outlet end of the air outlet part 23 can be directly opposite to the air inlet 29 of the air collecting box 26, and the air outlet part 23 is directly communicated with the air inlet 29. In this way, the air flow blown out from the air outlet part 23 can directly blow into the air collecting cavity of the air collecting box 26, effectively reducing the reflection phenomenon of the air flow.

[0045] In addition, the axial direction of the rotating shaft is parallel to the width direction of the box body 10, and the air inlets at both ends of the double-suction volute 21 are arranged coaxially with the rotating shaft. In other words, the axes of the two double-suction volutes 21 in this embodiment are parallel to the width direction of the box body 10. By respectively opening air inlets at both axial ends of the double-suction volute 21 as the air intake positions of the double-suction volute 21, the double-suction volute 21 can penetrate and open the air outlet part 23 on its circumferential side wall, so that the air outlet direction of the air outlet part 23 can be perpendicular to the width direction of the box body 10, and thus the air outlet part 23 can be directly opposite to the air inlet 29 of the air collecting box 26. In this way, the double-suction volute 21 can suck air flow from the air inlets at both ends and directly blow it into the air collecting cavity of the air collecting box 26.

[0046] Optionally, both ends of the driving motor 19 are respectively arranged at intervals from the adjacent double-suction volute 21, and the distances between both ends of the driving motor 19 and the adjacent double-suction volute 21 are greater than 20 mm; the remote ends of the two double-suction volutes 21 are respectively arranged at intervals from both sides of the accommodation cavity, and the distances between the remote ends of the two double-suction volutes 21 and both sides of the accommodation cavity are greater than 30 mm. In this way, in the embodiment of the present invention, by respectively spacing the outer ends of the two double-suction volutes 21 from both sides of the accommodation cavity by a certain distance, and respectively spacing the inner ends of the two double-suction volutes 21 from both ends of the driving motor 19 by a certain distance, the smooth intake of air by the two double-suction volutes 21 and the reduction of wind noise are ensured.

[0047] For the convenience of the installation and fixation of the fan assembly 18, in the embodiment of the present invention, the fan assembly 18 further includes a fan fixing seat 24 and a fixing pressing plate 25. The fan fixing seat 24 is arranged at the bottom of the accommodation cavity, the driving motor 19 is fixedly installed on the fan fixing seat 24, and the two double-suction volutes 21 are respectively fixedly installed on the fan fixing seat 24 through the fixing pressing plate 25. Among them, the axis of the driving motor 19 in the embodiment of the present invention is parallel to the width direction of the accommodation cavity, and the ports of the air outlet parts 23 of the two double-suction volutes 21 penetrate through the front bottom of the box body 10, so as to facilitate the connection of the two air outlet parts 23 with the air inlet 29 of the air collecting box 26; that is to say, the air flow blown out from the two air outlet parts 23 is parallel to the horizontal plane and pours into the interior of the air collecting cavity, which can effectively reduce the occurrence of phenomena such as air flow emission and eddy current.

[0048] As Figures 9 to 11 shown, the air collecting box 26 in the embodiment of the present invention has a flat structure. The air collecting box 26 is formed by splicing an upper air box cover 27 and a lower air box cover 28. The upper air box cover 27 and the lower air box cover 28 jointly define an air collecting cavity. An air outlet 30 is opened on the upper air box cover 27, and an air inlet 29 is opened on the side of the lower air box cover 28 close to the box body 10. Moreover, the side of the lower air box cover 28 close to the box body 10 is fixed to the front bottom of the box body 10, and the air inlet 29 is communicated with the two air outlet parts 23, ensuring that the hot air blown out from the two air outlet parts 23 can directly enter the air collecting cavity from the air inlet 29 and finally blow out upward from the air outlet 30 of the upper air box cover 27.

[0049] Furthermore, a stepper motor 32 is disposed inside the air collecting cavity of the embodiment of the present invention. The stepper motor 32 is drivingly connected to the rotary air nozzle 33 and is used to drive the rotary air nozzle 33 to rotate. In the embodiment of the present invention, a plurality of ventilation ducts 34 are defined at intervals along the length direction of the rotary air nozzle 33. The stepper motor 32 is drivingly connected to one end of the rotary air nozzle 33, and the other end of the rotary air nozzle 33 is rotatably disposed in the air collecting cavity through a bearing. In this way, in the embodiment of the present invention, by defining a plurality of ventilation ducts 34 on the rotary air nozzle 33 and driving the rotary air nozzle 33 to rotate by the stepper motor 32, the air flow blown out from the air outlet 30 can be sent out at different angles after swinging through the plurality of ventilation ducts 34 of the rotary air nozzle 33, so as to achieve the effect of automatically adjusting the air outlet angle, reduce the blind area of the air outlet air flow, and make the hot air act on the lower half area of the clothes more evenly.

[0050] In order to reduce the eddy current phenomenon between the air outlet part 23 and the air inlet 29, in the embodiment of the present invention, air guiding ribs 31 are respectively disposed on both sides of the air collecting cavity where the air inlet 29 is located, and the area of the air outlet 30 is made larger than the sum of the opening areas of the two air outlet parts 23. In this way, in the embodiment of the present invention, by respectively disposing the air guiding ribs 31 on both sides of the air inlet 29, the air flow blown into the air collecting cavity by the air outlet part 23 can be guided, so as to reduce the generation of eddy currents.

[0051] As Figures 12 to 14 shown, the embodiment of the present invention provides a dehumidifying and drying device that can quickly recover water vapor, has a small wind resistance, can automatically adjust the air outlet angle, and has a good drying effect. Under the action of the fan assembly 18 of the double-suction volute 21, the air inlet parts 22 formed by the two double-suction volutes 21 can generate a strong suction force, so that the humid air is quickly sucked into the accommodation cavity from the air return part 11 above the box body 10, and after being evaporated and dried by the evaporator 14 and the condenser 16, it is directly blown into the air collecting cavity of the air collecting box 26 from the air outlet part 23 of the fan assembly 18, and under the guiding action of the rotary air nozzle 33, it is blown out from the air outlet 30 of the air collecting box 26. Among them, the air flow path of the dehumidifying and drying device in the embodiment of the present invention is: the humid air enters the accommodation cavity from the first air return opening 12 at the top of the box body 10 and the second air return opening 13 above the front side of the box body 10, the water vapor in the humid air is condensed into water droplets and drips onto the water receiving tray 15 after passing through the evaporator 14, the dry air coming out of the evaporator 14 enters the condenser 16, and is heated to form dry hot air under the action of the condenser 16. The dry hot air comes out of the condenser 16 and enters the double-suction volute 21 from the air suction openings at both ends of the two double-suction volutes 21, and is horizontally blown into the air collecting cavity of the air collecting box 26 under the guiding action of the two air outlet parts 23. The stepper motor 32 drives the rotary air nozzle 33 to rotate, so that the dry hot air can be blown out from the air outlet 30 in different directions after passing through the rotary air nozzle 33, so as to perform the drying operation on the lower hem of the clothes.

[0052] The above-described embodiments merely represent several implementation manners of the present invention. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the dehumidifying and drying equipment of the invention. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several variations and improvements can still be made, and these all fall within the protection scope of the present invention.

Claims

1. A dehumidifying and drying device, characterized in that: It includes a box body and an air collecting box, and the air collecting box is arranged on one side of the box body; an accommodating cavity is defined inside the box body, an air return part is penetrated and opened above the accommodating cavity, an evaporator, a condenser, a compressor and a fan assembly are arranged inside the accommodating cavity, and both the evaporator and the condenser are connected to the compressor; the fan assembly is provided with an air inlet part and an air outlet part, and an air flow channel is formed between the air inlet part and the air return part; An air collecting cavity with an air outlet at the top is defined inside the air collecting box, an air inlet is penetrated and opened on one side of the air collecting cavity, the air outlet part is communicated with the air inlet, and the air outlet direction of the air outlet part is directly opposite to the air inlet; a rotating air nozzle is rotatably arranged inside the air collecting cavity, and the rotating air nozzle is located below the air outlet.

2. The dehumidifying and drying device according to claim 1, characterized in that: A stepping motor is arranged inside the air collecting cavity, the stepping motor is drivingly connected to the rotating air nozzle and is used to drive the rotating air nozzle to rotate.

3. The dehumidifying and drying device according to claim 2, characterized in that: A plurality of ventilation channels are defined at intervals along the length direction of the rotating air nozzle, the stepping motor is drivingly connected to one end of the rotating air nozzle, and the other end of the rotating air nozzle is rotatably arranged in the air collecting cavity through a bearing.

4. The dehumidifying and drying device according to claim 1, characterized in that: The fan assembly includes a driving motor, rotating shafts are respectively arranged at both ends of the driving motor, and centrifugal fans are coaxially and rigidly connected to the rotating shafts at both ends of the driving motor. A double-suction volute is sleeved outside each centrifugal fan. Air inlets are respectively opened at both axial ends of each double-suction volute, and the air inlets at both ends of the two double-suction volutes together form the air inlet part. The circumferential side walls of the two double-suction volutes define the air outlet part in the same direction, and the two air outlet parts penetrate through the lower part of the box body.

5. The dehumidifying and drying device according to claim 4, characterized in that: The axial direction of the rotating shaft is parallel to the width direction of the box body, and the air inlets at both ends of the double-suction volute are arranged coaxially with the rotating shaft; both ends of the driving motor are respectively arranged at intervals with the adjacent double-suction volute, and the two ends of the two double-suction volutes away from each other are respectively arranged at intervals with both sides of the accommodating cavity.

6. The dehumidifying and drying device according to claim 4, characterized in that: The fan assembly further includes a fan fixing seat and a fixing pressing plate. The fan fixing seat is arranged at the bottom of the accommodating cavity, the driving motor is fixedly installed on the fan fixing seat, and the two double-suction volutes are respectively fixedly installed on the fan fixing seat through the fixing pressing plate.

7. The dehumidifying and drying device according to claim 4, characterized in that: The air outlet part is an arc-shaped air duct structure, an arc-shaped air duct is formed inside the air outlet part, and the air outlet end of the arc-shaped air duct is communicated with the air inlet.

8. The dehumidifying and drying device according to claim 1, characterized in that: The air collecting cavity is respectively provided with air guiding ribs on both sides of the air inlet, and the area of the air outlet is larger than the opening area of the air outlet part.

9. The dehumidifying and drying device according to claim 1, wherein: The evaporator, the condenser and the fan assembly are sequentially arranged at intervals in the vertical direction of the accommodating cavity in the accommodating cavity. A water receiving tray is arranged below the evaporator, and the condenser is arranged below the water receiving tray.

10. The dehumidifying and drying device according to claim 8, wherein: A first air return opening is formed at the top of the box body. The front side of the box body inclines backward to form an inclined surface, and a second air return opening is formed on the inclined surface. The first air return opening and the second air return opening together form the air return part; the evaporator is arranged parallel to the inclined surface, and the evaporator and the first air return opening and the second air return opening form an air return channel.

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