Air allocation and transportation device and bathroom equipment

Abstract

The invention provides an air allocation and transportation device and bathroom equipment, the air allocation and transportation device has a circulation working condition and a fresh air working condition and comprises an air duct chamber, an air blowing duct and a fresh air duct, and the air duct chamber is provided with an outer port communicating with the outdoors, an air collection port communicating with the indoors and an exhaust port communicating with the indoors; the air outlet comprises a first air outlet part and a second air outlet part which are arranged adjacently and do not coincide with each other; the blowing air channel is communicated with the air collecting port and comprises a first vortex channel leading to the first air outlet part; the fresh air duct is communicated with the external port and comprises a second vortex channel leading to the second air outlet part; the air dispatching device has a circulating working condition and a fresh air working condition, and the circulating working condition limits that the blowing air duct is dredged with the air collecting port and the exhaust port; and the fresh air working condition limits that the fresh air duct is dredged with the external port and the exhaust port.

Description

Technical Field

[0001] The present invention relates to the technical field of electrical appliances, and in particular to an air conditioning device and bathroom equipment. Background Art

[0002] A bathroom heater is a device equipped with an air conditioning device that can deliver air to the bathroom. The temperature of the air delivered by the bathroom heater can be set according to actual needs and personal preferences to adjust the temperature in the bathroom to a level more suitable for the human body.

[0003] Traditional bathroom heaters have a circulating working condition. Under the circulating working condition, part of the gas in the bathroom is sucked into the air handling device, and then passes through the temperature control unit in the bathroom heater. Then the air handling device returns the airflow to the bathroom and repeats the above process.

[0004] Existing bathroom heaters integrate more functions, such as the ventilation function of discharging bathroom air to the outdoors, the fresh air function of introducing outdoor air into the bathroom, etc. The integration of more functions makes the material composition and structure of the bathroom heater complex, and the difficulty of realizing various functions increases and the effect decreases. Summary of the Invention

[0005] In view of this, the present invention provides an air conditioning device and bathroom equipment that integrates multiple functions and can fully realize the effects of each function.

[0006] The air handling device provided by the present invention includes an air duct chamber, an air blowing duct and a fresh air duct. The air duct chamber has an external opening connected to the outdoors, an air collecting opening connected to the indoors and an air exhaust opening connected to the indoors. The air exhaust opening includes a first air outlet part and a second air outlet part that are adjacent to each other and do not overlap with each other; the air blowing duct is connected to the air collecting opening, including a first vortex leading to the first air outlet part; the fresh air duct is connected to the external opening, including a second vortex leading to the second air outlet part; the air handling device has a circulation working condition and a fresh air working condition. The circulation working condition limits the air blowing duct and the air collecting opening to be unblocked, and the air blowing duct and the exhaust opening to be unblocked; the fresh air working condition limits the fresh air duct and the external opening to be unblocked, and the fresh air duct and the exhaust opening to be unblocked.

[0007] The air handling device of the present invention is compatible with an air circulation function corresponding to a circulation working condition and a fresh air function corresponding to a fresh air working condition. When the circulation working condition and the fresh air working condition are operated simultaneously, the fresh air flow formed by the circulating air flow and the outdoor air is blown out from the first air outlet portion and the second air outlet portion respectively under the guidance of the first vortex and the second vortex, and respectively forms two wind columns that do not interfere with or conflict with each other, thereby preventing the loss of the circulating air flow and the fresh air flow when blowing towards the user. The user can more easily feel that the two air flows are delivered and supplied in sufficient quantities at the same time, thereby ensuring the blowing effect of the circulating air flow and the fresh air flow;

[0008] Furthermore, in the process of forming the blowing air column and the fresh air column, the circulating airflow and the fresh air flow experience less resistance due to the guiding and restraining effects of the first vortex and the second vortex. Compared with the current solution of using a wind deflector to impact the airflow and force the airflow to deflect before forming the wind column, the solution of the present invention can reduce the kinetic energy loss of the wind column, so that the circulating airflow and the fresh air flow can be blown to a farther location.

[0009] In addition, the blowing column formed by the circulating airflow and the fresh air column formed by the fresh air airflow have a rotational speed component, which can produce more efficient disturbance to the indoor air. The surrounding air surrounded by the blowing column or the fresh air column can also produce a blowing effect. It can also increase the area of ​​the target surface directly blown by the blowing column and the fresh air column, relax the peak shape of the wind column, and improve the comfort of the user.

[0010] In one embodiment, the first vortex and the second vortex are arranged around the center line of the exhaust port in the same rotation direction, and the first vortex and the second vortex are respectively used to guide the circulating airflow and the fresh airflow to flow in the same rotation speed direction and flow out of the exhaust port.

[0011] With this arrangement, although both the circulating airflow and the fresh airflow have a rotational speed component, they will not be affected by each other when flowing out of the exhaust outlet. Although the blowing air column and the fresh air column are adjacent, they will not impact each other and the flow rate will not attenuate. Therefore, they can flow farther into the room and cause strong disturbance to the indoor air.

[0012] In one embodiment, there is only one air outlet, and the first vortex and the second vortex both lead to the same air outlet.

[0013] With this arrangement, the number of exhaust vents is small. When the air handling device operates in the circulation mode and the fresh air mode at the same time, the total air output formed by the circulating airflow and the fresh airflow is more concentrated, and the blowing target can feel the circulating airflow and the fresh airflow at the same time and more strongly. The bathroom equipment using the air handling device can meet the user's demand for circulating airflow and outdoor air at the same time.

[0014] In one embodiment, the first air outlet portion is located on the side of a first radial direction of the center line of the air outlet, and the second air outlet portion is located on the side of a second radial direction of the center line of the air outlet, and the rotation angle between the first radial direction and the second radial direction is 180°.

[0015] Such a setting can avoid the conflict and disturbance between the blowing air column and the fresh air column to the greatest extent, ensuring that both the blowing air column and the fresh air column blow farther into the room with lower kinetic energy loss.

[0016] In one embodiment, the vortex center of the first vortex channel and the vortex center of the second vortex channel are both located between the first vortex channel and the second vortex channel.

[0017] With such an arrangement, the arrangement of the first vortex and the second vortex is easier, and the first vortex or the second vortex will not be cramped or even interfere with each other.

[0018] In one embodiment, the first vortex channel and the second vortex channel share the same vortex center.

[0019] With this setting, the blowing wind column and the fresh air wind column are closer, and the rotation speed components of each are centered on the vortex center. The two wind columns form a total wind column that is approximately the same. When the circulation condition and the fresh air condition are running at the same time, the user can feel the circulating airflow and the fresh air airflow at the same time.

[0020] In one embodiment, the vortex center of the first vortex and the vortex center of the second vortex both extend along the air outlet direction of the exhaust port.

[0021] With this arrangement, the blowing air columns and fresh air air columns formed by the circulating airflow and the fresh air airflow respectively have similar shapes and spatial postures, and can blow toward specific positions in the room almost synchronously, so that users can simultaneously perceive the delivery and supply of the two airflows. Even if the air handling device operates at low power in the circulating condition and the fresh air condition, users can still clearly feel the total air column. The airflow intensity of the total air column can ensure that the blowing force is moderate so that the user feels comfortable.

[0022] In one embodiment, the first vortex and the second vortex share the same vortex center, and the vortex center is the center line of the exhaust port.

[0023] With this arrangement, the shape and spatial posture of the total wind column formed by the blowing wind column and the fresh air wind column are similar to the column formed after the exhaust outlet is translated. The column formed by the exhaust outlet takes the center line of the exhaust outlet as the axis, and the air volume loss of the blowing wind column and the fresh air wind column is less.

[0024] In one embodiment, the air duct chamber further includes a steering assist portion and a box plate with an exhaust port, and the steering assist portion includes:

[0025] A blowing guide plate, wherein the gap between the blowing guide plate and the box plate decreases in the direction close to the air outlet and forms at least part of the first vortex; and / or,

[0026] The fresh air guide plate and the gap between the fresh air guide plate and the box plate decrease in the direction close to the exhaust port, and form at least part of the second vortex.

[0027] With such arrangement, in the process of the circulating air flow passing through the blowing guide plate, the blowing guide plate can apply a steering thrust to the circulating air flow, and the circulating air flow obtains a rotation speed by flowing along the first vortex on the one hand, and obtains a steering speed on the other hand, so that the circulating air flow turns to form a blowing air column, and then the blowing air column passes through the box plate to leave the air duct chamber, thereby realizing the circulating air flow to the outside of the box plate; in the process of the fresh air air flow passing through the fresh air guide plate, the fresh air guide plate can apply a steering thrust to the fresh air air flow, and the fresh air air flow obtains a rotation speed by flowing along the second vortex on the one hand, and obtains a steering speed on the other hand, so that the fresh air air flow turns to form a fresh air column, and then the fresh air column passes through the box plate to leave the air duct chamber, thereby realizing the fresh air flow to the outside of the box plate.

[0028] In one embodiment, the steering assist portion includes a blowing guide plate, the gap between the blowing guide plate and the box plate decreases in the direction approaching the exhaust port, and forms at least a portion of a first vortex, the exhaust port includes a first air outlet portion, the first vortex leads to the first air outlet portion, and at least a portion of the blowing guide plate faces the outside of the first air outlet portion.

[0029] With this arrangement, the circulating airflow obtains a rotational speed component and a turning speed component when passing through the first vortex, so a blowing column begins to form between the blowing guide plate and the box plate in advance. With the help of the blowing guide plate, the blowing column can directly blow out the first air outlet part once it is formed, and the kinetic energy loss of the blowing column is reduced.

[0030] In one embodiment, the steering assist portion includes a fresh air guide plate, the gap between the fresh air guide plate and the box plate decreases in the direction approaching the exhaust port, and forms at least a portion of a second vortex, the exhaust port includes a second air outlet portion, the second vortex leads to the second air outlet portion, and at least a portion of the fresh air guide plate faces the outside of the second air outlet portion.

[0031] With this arrangement, the fresh air flow obtains both a rotational speed component and a turning speed component when passing through the second vortex, thereby starting to form a fresh air column between the fresh air guide plate and the box plate in advance. With the help of the fresh air guide plate, the fresh air column can be directly blown out of the second air outlet part once it is formed, thereby reducing the kinetic energy loss of the fresh air column.

[0032] In one embodiment, the steering assist portion includes a blowing guide plate and a fresh air guide plate, wherein the gap between the blowing guide plate and the box plate decreases in a direction approaching the air outlet and forms at least a portion of a first vortex, and the gap between the fresh air guide plate and the box plate decreases in a direction approaching the air outlet and forms at least a portion of a second vortex.

[0033] At least part of the blowing guide is located on the side of the first radial direction of the center line of the air outlet, and at least part of the fresh air guide is located on the side of the second radial direction of the center line of the air outlet.

[0034] With this arrangement, the blowing air column blows out the first air outlet part from the side of the vortex center along the first radial direction, and the fresh air column blows out the second air outlet part from the side of the vortex center along the second radial direction, thereby minimizing the possibility of conflict and interference between the two air columns, ensuring that the two air columns can blow farther.

[0035] In one embodiment, the air duct chamber includes a blowing guide plate and a box plate with an exhaust port, a first gap is formed between the blowing guide plate and the box plate, the blowing duct includes the first gap, and the height of the first gap tends to decrease in the direction approaching the exhaust port.

[0036] With such an arrangement, when the circulating airflow flows through the blowing guide plate, the blowing guide plate can apply a steering thrust to the circulating airflow, causing the circulating airflow to turn and form a blowing air column. The blowing air column then passes through the box plate and leaves the air duct chamber, thereby realizing the circulating airflow flowing to the outside of the box plate.

[0037] In one embodiment, the first gap forms at least a portion of the first vortex; and / or a side of the blowing guide plate relatively close to the box plate is at least partially directed toward the outside of the air outlet.

[0038] With this arrangement, the circulating airflow obtains both a rotational speed component and a turning speed component when passing through the first gap, thereby forming a blowing wind column in advance in the first gap. The circulating airflow turns with the help of the blowing guide plate, and then can be blown out of the exhaust port directly, reducing kinetic energy loss.

[0039] In one embodiment, the air duct chamber further includes a top wall spaced apart from the box plate, the top wall forming an inner wall of the blowing duct on the side facing the box plate and connected to the end of the blowing guide plate farthest from the box plate.

[0040] With such arrangement, the circulating airflow flowing along the first gap can turn under the boosting action of the side of the blowing guide plate relatively close to the box plate, so that the circulating airflow entering the first gap can form a blowing wind column, and there will be no circulating airflow loss.

[0041] In one embodiment, the air duct chamber includes a first wind wall for forming a blowing air duct, the first wind wall includes a first curved wall for forming a first vortex, the blowing guide plate is connected to the first curved wall, and spirally extends with the vortex center of the first vortex as the spiral center.

[0042] With this arrangement, the blowing guide plate can, on the one hand, apply a steering thrust to the circulating airflow, and on the other hand, help the circulating airflow obtain a rotational speed so that the circulating airflow gradually forms a spiral flow trajectory, which is more conducive to accelerating the formation of the blowing air column.

[0043] In one embodiment, the air duct chamber includes a fresh air guide plate and a box plate with an exhaust port, a second gap is formed between the fresh air guide plate and the box plate, the fresh air duct includes the second gap, and the height of the second gap tends to decrease in the direction approaching the exhaust port.

[0044] With such arrangement, when the fresh air flow passes through the fresh air guide plate, the fresh air guide plate can apply a steering thrust to the fresh air flow, causing the fresh air flow to turn and form a fresh air column. Then the fresh air column passes through the box plate and leaves the air duct chamber, realizing the fresh air flow flowing to the outside of the box plate.

[0045] In one embodiment, the second gap forms at least a portion of the second vortex; and / or a side of the fresh air guide plate relatively close to the box plate is at least partially directed toward the outside of the air outlet.

[0046] With this arrangement, the fresh air flow obtains both a rotational speed component and a turning speed component when passing through the second gap, thereby forming a fresh air column in advance in the second gap. The fresh air flow turns with the help of the fresh air guide plate, and then can be blown directly out of the exhaust port, reducing kinetic energy loss.

[0047] In one embodiment, the air duct chamber further includes a top wall spaced apart from the box plate, the side of the top wall facing the box plate forming the inner wall of the fresh air duct and connected to the end of the fresh air guide plate farthest from the box plate.

[0048] With this arrangement, the fresh air flow flowing along the second gap can turn under the boost of the side of the fresh air guide plate relatively close to the box plate, so that the fresh air flow entering the second gap can form a fresh air column, and there will be no fresh air flow loss.

[0049] In one embodiment, the air duct chamber includes a second wind wall for forming a fresh air duct, the second wind wall includes a second curved wall for forming a second vortex, the fresh air guide plate is connected to the second curved wall, and extends spirally with the vortex center of the second vortex as the spiral center.

[0050] With this arrangement, the fresh air guide plate can, on the one hand, apply a steering thrust to the fresh air flow, and on the other hand, help the fresh air flow obtain a rotation speed so that the fresh air flow gradually forms a spiral flow trajectory, which is more conducive to accelerating the formation of the fresh air column.

[0051] In one embodiment, the fresh air working condition limits the air collecting port and the external vent to be blocked; and / or,

[0052] The air handling device also has an exhaust working condition, which limits the air collecting port and the external outlet to be unblocked, and the fresh air duct and the external outlet to be blocked.

[0053] With this arrangement, under the fresh air working condition, the air handling device only allows outdoor air to flow into the fresh air duct through the external port, while preventing indoor air from being discharged to the outdoors through the external port, thereby avoiding interference with outdoor air entering the external port, thereby ensuring the stable efficiency of the fresh air working condition; under the exhaust working condition, the air handling device only allows indoor air to be discharged to the outdoors through the external port, while preventing outdoor air from flowing into the fresh air duct through the external port, thereby avoiding interference with indoor air flowing out of the external port, thereby ensuring the stable efficiency of the exhaust working condition.

[0054] The bathroom equipment provided by the present invention includes the above air conditioning device. BRIEF DESCRIPTION OF THE DRAWINGS

[0055] Figure 1 This is an exploded schematic diagram of an air handling device according to an embodiment of the present invention;

[0056] Figure 2 A partial structural diagram of an air handling device according to an embodiment of the present invention;

[0057] Figure 3 This is an exploded schematic diagram of a second fan according to an embodiment of the present invention;

[0058] Figure 4 This is a first schematic diagram of an air handling device according to an embodiment of the present invention when the damper is in a first position;

[0059] Figure 5 A second schematic diagram of an air handling device according to an embodiment of the present invention when the damper is in the first position;

[0060] Figure 6 A third schematic diagram of an air handling device according to an embodiment of the present invention when the damper is in the first position;

[0061] Figure 7 This is a first schematic diagram of an air handling device according to an embodiment of the present invention when the damper is in the second position;

[0062] Figure 8 This is a second schematic diagram of an air handling device according to an embodiment of the present invention when the damper is in the second position.

[0063] Description of reference numerals:

[0064] 100. Air handling device; 10. Air duct chamber; 101. External opening; 1021. Air collecting opening; 1022. Exhaust opening; 103. Blowing air duct; 1031. First vortex; 104. Fresh air duct; 1041. Second vortex; 105. Steering assist unit; 1051. Blowing air guide; 1052. Fresh air guide; 106. Air inlet duct; 107. Air intake throat;

[0065] 11. Chassis; 111. Case wall; 112. Top wall; 12. Case panel; 121. Air collecting plate; 123. Partition; 1231. Windward inlet; 1232. Air supply outlet; 124. First mounting cavity; 125. Second mounting cavity; 126. Extended mounting structure; 131. First air wall; 1311. First curved wall; 1312. Exhaust notch; 132. Second air wall; 1321. Second curved wall;

[0066] 20. First fan; 201. First air inlet; 202. First air outlet; 21. First wind wheel; 211. First air inlet end; 22. First volute;

[0067] 30. Second fan; 301. Second air inlet; 302. Second air outlet; 31. Second impeller; 311. Second air inlet end; 32. Second volute; 321. Upper cover; 322. Lower cover; 323. Exhaust section; 33. Air collecting box; 331. Air inlet slope;

[0068] 40. Damper mechanism; 41. Damper component; 411. First door panel; 412. Second door panel; 42. Damper drive component; 43. Damper shaft; 44. Connecting rod mechanism; 441. Crank; 442. Transmission connecting rod; 45. Movable wind wall; 46. Wind wall drive component. DETAILED DESCRIPTION

[0069] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0070] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of the present invention are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The term "or / and" as used herein includes any and all combinations of one or more of the associated listed items.

[0071] The present invention provides an air handling device 100 and a bathroom fixture, which includes the air handling device 100 of the present invention. The air handling device 100 can be used not only in bathroom fixtures to manage air in bathrooms, but can also be used in other devices and for other applications. For ease of description, the following description of the air handling device 100 uses its installation and application in bathroom fixtures as an example.

[0072] The air handling device 100 of the present invention includes an air duct chamber 10, which includes a chassis 11 and a box plate 12 mounted on the chassis 11. The chassis 11 is hollow and has an open cavity. The box plate 12 covers the open cavity and closes the cavity. The air duct chamber 10 also has an external opening 101 connected to the outdoors, an air collecting port 1021 connected to the indoors, and an air exhaust port 1022 connected to the indoors. The cavity is provided with a blowing duct 103, a fresh air duct 104, and an air inlet duct 106. The blowing duct 103 is connected to the air collecting port 1021 and the air exhaust port 1022, and the blowing duct 103 is connected to the air collecting port 1021 and the external opening 101. The fresh air duct 104 is connected to the air inlet duct 106 and the air exhaust port 1022. The air inlet duct 106 is connected to the external opening 101.

[0073] The purpose of the air collecting vent 1021 is to allow indoor air to flow into the air duct chamber 10, and the purpose of the air exhaust vent 1022 is to allow air in the air duct chamber 10 to flow out and flow into the room. The purpose of the external vent 101 includes allowing outdoor air to flow into the air duct chamber 10, and also allowing air in the air duct chamber 10 to flow out and flow into the outdoors. It is worth noting that although the external vent 101 has two functions, it cannot be used to perform both functions simultaneously. The purpose is to prevent the air flowing to the outdoors and the air flowing into the air duct chamber 10 from interfering with each other.

[0074] Specifically, the blowing duct 103 has an exhaust notch 1312 that connects to the external opening 101. The exhaust notch 1312 can be closed or opened. When the exhaust notch 1312 is closed, the blowing duct 103 cannot connect to the external opening 101 through the exhaust notch 1312. Therefore, the air collecting port 1021 and the external opening 101 cannot communicate with each other, but the blowing duct 103 can normally connect to the air exhaust port 1022. When the exhaust notch 1312 is opened, the blowing duct 103 can connect to the external opening 101 through the exhaust notch 1312. Therefore, the air collecting port 1021 and the external opening 101 can communicate with each other. In some embodiments, the exhaust notch 1312 has two states: closed and opened, and the blowing duct 103 connects to either the external opening 101 or the air exhaust port 1022. In other embodiments, when the exhaust notch 1312 is in a semi-open and semi-closed state, the air blowing duct 103 is connected to the external opening 101 and the exhaust port 1022 at the same time.

[0075] Specifically, the air duct chamber 10 further includes an air inlet throat 107 connecting the air inlet duct 106 and the external opening 101. The air inlet throat 107 can be closed or opened. When the air inlet throat 107 is closed, the air inlet duct 106 and the external opening 101 are blocked, thereby blocking the fresh air duct 104 and the external opening 101, and preventing outdoor air from entering the air inlet duct 106 and the fresh air duct 104 through the external opening 101. When the air inlet throat 107 is opened, the air inlet duct 106 and the external opening 101 are connected, allowing the fresh air duct 104 and the external opening 101 to be connected, thereby allowing outdoor air to enter the air inlet duct 106 and the fresh air duct 104 through the external opening 101, and finally being discharged into the room through the exhaust vent 1022.

[0076] In some embodiments, see Figures 1 and 2 The chassis 11 includes a top wall 112 and a box wall 111. The top wall 112, the box wall 111, and the box plate 12 collectively enclose a cavity of the chassis 11. The top wall 112 faces the opening of the cavity. The box plate 12 and the top wall 112 are spaced apart and opposed to each other. The external opening 101 is formed in the box wall 111 and communicates with the cavity. The air collecting port 1021 is formed in the box plate 12 and communicates with the cavity. The air exhaust port 1022 is formed in the box plate 12 and communicates with the cavity. When the air handling device 100 or a bathroom fixture including the air handling device 100 is installed indoors, such as in a bathroom ceiling, the top wall 112 and the opening of the cavity face the ground. The box plate 12 is located on the side of the chassis 11 relatively close to the ground, and the air collecting port 1021 and the air exhaust port 1022 face the ground.

[0077] The number of exhaust vents 1022 can be one or more. When the air handling device 100 or the bathroom fixture containing the air handling device 100 is installed in the bathroom ceiling, the box panel 12 and the top wall 112 are both arranged horizontally, and the air collecting vents 1021 and the air exhaust vents 1022 are opened vertically toward the ground. When there are multiple exhaust vents 1022, the orientations of the multiple exhaust vents 1022 are the same, for example, the multiple exhaust vents 1022 are all vertically facing the ground. The air collecting vents 1021 are opened on the box panel 12 to facilitate the entry of indoor air into the air collecting vents 1021. The air exhaust vents 1022 are opened on the box panel 12 so that the air flow blown out from the air exhaust vents 1022 can be blown directly, accurately, and concentratedly toward the blowing target, which can be the user of the air handling device 100 or the bathroom fixture.

[0078] The air handling device 100 also includes a first fan 20, which includes a first air inlet 201 connected to the air collecting port 1021 and a first air outlet 202 connected to the blowing duct 103 and the first air inlet 201. The first fan 20 is activated when the blowing duct 103 is connected to at least one of the external opening 101 and the exhaust port 1022. After the first fan 20 is activated, a low-pressure area forms near the first air inlet 201 and the air collecting port 1021, causing the air pressure near the air collecting port 1021 to be lower than the average indoor air pressure. Due to the pressure difference, indoor air flows into the air collecting port 1021 and then into the first air inlet 201. The indoor air then leaves the first fan 20 through the first air outlet 202. When the exhaust gap 1312 is opened, the first air outlet 202 is connected to the external port 101 through the exhaust gap 1312, and the indoor air leaving the first fan 20 flows out of the external port 101 through the exhaust gap 1312 and finally flows to the outdoors. At this time, the air handling device 100 operates in the exhaust condition and performs the ventilation function; when the exhaust gap 1312 is closed, the first air outlet 202 is connected to the exhaust port 1022 through the blowing duct 103, and the indoor air leaving the first fan 20 flows out of the exhaust port 1022 along the blowing duct 103 and finally returns to the room. At this time, the air handling device 100 operates in the circulation condition and performs the airflow circulation function.

[0079] The air handling device 100 further includes a second fan 30, which includes a second air inlet 301 connected to the air inlet duct 106 and a second air outlet 302 connected to the second air inlet 301 and the fresh air duct 104. The second air inlet 301 can be connected to the external opening 101 through the air inlet duct 106, and the second air outlet 302 can be connected to the exhaust port 1022 through the fresh air duct 104. The activation conditions of the second fan 30 include the air inlet duct 106 being connected to the external opening 101 and the fresh air duct 104 being connected to the second air outlet 302 and the exhaust port 1022. After second fan 30 is activated, a low-pressure area forms in inlet duct 106, causing the average outdoor air pressure to be higher than the pressure in inlet duct 106. Due to the pressure differential, outdoor air flows through exterior opening 101 into inlet duct 106 and into second air inlet 301. It then leaves second fan 30 through second air outlet 302. Finally, the outdoor air flows along fresh air duct 104, out of exhaust vent 1022, and into the room. While second fan 30 is activated, air handling device 100 operates in fresh air mode and performs its fresh air function.

[0080] The cavity of the chassis 11 is open to facilitate placement of the first fan 20 and the second fan 30 in the cavity, and to facilitate removal and removal of the first fan 20 and the second fan 30 from the cavity. Figures 1 and 2 、 Figures 3 and 4In some embodiments, the first fan 20 includes a first volute 22 and a first impeller 21 mounted within the first volute 22. The first impeller 21 includes a first air inlet end 211 with a first air inlet 201, and a first air outlet 202. The first impeller 21 is a centrifugal impeller. The second fan 30 includes a second volute 32, a second impeller 31 mounted within the second volute 32, and an air collecting box 33 mounted on the second impeller 31. The second volute 32 includes an exhaust portion 323 with a second air outlet 302. The second impeller 31 is a centrifugal impeller with a second air inlet end 311. The air collecting box 33 is hollow. One end of the air collecting box 33 defines the second air inlet 301, and the other end is connected to and communicates with the second air inlet end 311. The axis of the first impeller 21 and the axis of the second impeller 31 are arranged side by side. Preferably, the axis of the first impeller 21 and the axis of the second impeller 31 are both perpendicular to the box plate 12.

[0081] Optional, see Figure 3 In some embodiments, the second volute 32 includes an upper cover plate 321 and a lower cover plate 322, which are assembled and fixed together to surround the second wind wheel 31, the air collecting box 33 is fixedly installed on the upper cover plate 321, and the lower cover plate 322 is fixedly connected to the air duct chamber 10.

[0082] In some embodiments, the second fan 30 is detachably mounted in the cavity of the air duct chamber 10. Whether the second fan 30 is installed in the air duct chamber 10 or removed from the air duct chamber 10, the structure and function of the first fan 20 are not affected. When the second fan 30 is installed in the air duct chamber 10, the air handling device 100 is compatible with three functions, that is, the air handling device 100 adopts a three-in-one function of air circulation function, ventilation function, and fresh air function; when the second fan 30 is removed from the air duct chamber 10, the air handling device 100 has two functions, that is, the air handling device 100 adopts a two-in-one function of air circulation function and ventilation function. In other embodiments, the first fan 20 and the second fan 30 can also be installed in the air duct chamber 10 in a non-detachable manner.

[0083] The air handling device 100 also includes a damper mechanism 40, which includes a damper member 41 and a damper driving member 42 that drives and connects to the damper member 41. The damper member 41 is movably mounted on the air duct chamber 10 and includes a first door plate 411 and a second door plate 412 connected thereto. The position of the damper member 41 relative to the air duct chamber 10 includes a first position and a second position. When the damper member 41 is in the first position, the first door plate 411 opens the exhaust notch 1312, and the first air outlet 202 is connected to the external opening 101 through the exhaust notch 1312, thereby The first air outlet 202 is unblocked from the external opening 101, and the second door panel 412 closes the air intake 107 and blocks the air intake duct 106 from the external opening 101, thereby blocking the second air inlet 301 from the external opening 101. When the damper member 41 is in the second position, the first door panel 411 closes the exhaust notch 1312, blocking the first air outlet 202 from the external opening 101, while the second door panel 412 opens the air intake 107 and unblocks the air intake duct 106 from the external opening 101, thereby blocking the second air inlet 301 from the external opening 101. The damper driver 42 drives the damper member 41 to switch between the first position and the second position.

[0084] Furthermore, in some embodiments, when the damper 41 is in the first position, the first door panel 411 blocks the blowing duct 103, thereby blocking the first air outlet 202 from the exhaust port 1022. When the damper 41 is in the second position, the first door panel 411 opens and clears the blowing duct 103, connecting the first air outlet 202 to the blowing duct 103, thereby clearing the gap between the first air outlet 202 and the exhaust port 1022. When the damper 41 is in the first position, the air handling device 100 can operate in an exhaust mode and perform a ventilation function, while the second door panel 412 restricts outdoor air from entering the air inlet duct 106 through the exterior opening 101. When the damper 41 is in the second position, the air handling device 100 can operate in a circulation mode and perform an air circulation function, or in a fresh air mode and perform a fresh air function, or can operate in both a circulation mode and a fresh air mode simultaneously.

[0085] For simplicity, when the air handling device 100 operates in a circulation mode and performs an air circulation function, the airflow driven by the first fan 20 is called a circulation airflow. When the air handling device 100 operates in an exhaust mode and performs a ventilation function, the airflow driven by the first fan 20 is called an exhaust airflow. When the air handling device 100 operates in a fresh air mode and performs a fresh air function, the airflow driven by the second fan 30 is called a fresh air airflow. Specifically, the circulation airflow is blown out of the exhaust port 1022 and blown into the room, the exhaust airflow is blown out of the exterior port 101 and blown outdoors, and the fresh air flow is blown out of the exhaust port 1022 and blown into the room.

[0086] Optionally, the air handling device 100 further includes a temperature control module, which can regulate the temperature of the circulating airflow or fresh air flow blowing into the room to change the indoor temperature and improve the thermal comfort of the user. The temperature control module can include a circulating airflow temperature control module disposed within the blowing air duct 103 and a fresh air flow temperature control module disposed within the fresh air duct 104. Of course, the circulating airflow temperature control module can also be disposed within the first fan 20, and the fresh air flow temperature control module can also be disposed within the second fan 30. Of course, only one of the circulating airflow temperature control module or the fresh air flow temperature control module can also be disposed.

[0087] In some embodiments, the blowing air duct 103 includes a first vortex 1031 extending toward and in communication with the exhaust port 1022, and the fresh air duct 104 includes a second vortex 1041 extending toward and in communication with the exhaust port 1022. The box plate 12 is a flat plate structure. The direction in which the circulating airflow exits the exhaust port 1022 is the same as the direction in which the fresh airflow exits the exhaust port 1022. These two directions are collectively referred to as the outlet direction of the exhaust port 1022. The outlet direction is a straight line perpendicular to the box plate 12. When the box plate 12 is horizontally mounted on a side of the chassis 11 relatively close to the ground, the outlet direction is vertically downward. The vortex center of the first vortex 1031 and the vortex center of the second vortex 1041 both extend in a straight line along the outlet direction.

[0088] The first vortex 1031 and the second vortex 1041 can be either plane spiral flow channels or spatial spiral flow channels. Taking the first vortex 1031 as an example, when the first vortex 1031 is a plane spiral flow channel, the plane where the first vortex 1031 is located is parallel to the box plate 12 and perpendicular to the vortex center of the first vortex 1031. When the first vortex 1031 is a spatial spiral flow channel, the first vortex 1031 spirally extends around a straight line perpendicular to the box plate 12, and the straight line is the vortex center of the first vortex 1031. Regardless of whether it is a plane spiral flow channel or a spatial spiral flow channel, after the circulating airflow passes through the first vortex 1031, it will obtain a velocity component rotating around the vortex center of the first vortex 1031, and after the fresh airflow passes through the second vortex 1041, it will obtain a velocity component rotating around the vortex center of the second vortex 1041.

[0089] To simplify the description, the vortex center of the first vortex 1031 and the vortex center of the second vortex 1041 are respectively referred to as the first vortex center and the second vortex center. The circulating airflow flowing through the first vortex 1031 will form a blowing air column under the constraint and guidance of the first vortex 1031, and the axial direction of the blowing air column is parallel to the first vortex center. The fresh air flow flowing through the second vortex 1041 will form a fresh air column under the constraint and guidance of the second vortex 1041, and the axial direction of the fresh air column is parallel to the second vortex center. The axial direction of the blowing air column and the axial direction of the fresh air column both extend along the air outlet direction of the exhaust port 1022. When the box plate 12 is horizontally installed on the side of the chassis 11 relatively close to the ground, the blowing air column and the fresh air column are both vertically downward.

[0090] The setting of the first vortex 1031 and the second vortex 1041 improves the shape of the outlet air beams of the circulating airflow and the fresh air flow, alleviates the impact of the wind beam peak on the user, and the cylindrical wind column can improve the user's physical sensation when blowing on the user's body; the blowing air column and the fresh air air column can blow the target more accurately and concentratedly, so that the user can feel the circulating airflow and the fresh air flow more strongly and significantly; the respective rotational speed components of the blowing air column and the fresh air air column can make the blowing air column and the fresh air air column disturb the indoor air more strongly, so that the circulating airflow and the fresh air flow can be diffused indoors with higher efficiency; in the process of forming the blowing air column and the fresh air column, the circulating airflow and the fresh air flow encounter less resistance, and compared with the current solution of using a wind shield to impact the airflow and force the airflow to turn, the circulating airflow and the fresh air flow lose less kinetic energy, so the circulating airflow and the fresh air flow can be blown to a farther position, thereby diffusing more fully.

[0091] Specifically, see Figure 4 The air duct chamber 10 includes a first air wall 131 and a second air wall 132 . A blowing duct 103 is formed on one side of the first wind wall 131, and the first wind wall 131 includes a first curved wall 1311, which is used to form the inner wall of the first vortex 1031. The blowing duct 103 passes through the first wind wall 131, especially through the first curved wall 1311 to guide the circulating airflow to flow along an arc trajectory and gradually approach the exhaust port 1022. During this period, the circulating airflow obtains a velocity component that rotates circumferentially relative to the center of the first vortex; a fresh air duct 104 is formed on one side of the second wind wall 132, and the second wind wall 132 includes a second curved wall 1321, which is used to form the inner wall of the second vortex 1041. The fresh air duct 104 passes through the second wind wall 132, especially through the second curved wall 1321 to guide the fresh air flow to flow along an arc trajectory and gradually approach the exhaust port 1022. During this period, the fresh air flow obtains a velocity component that rotates circumferentially relative to the center of the second vortex.

[0092] The movement of the circulating airflow within the blowing duct 103 includes movement close to the exhaust port 1022 and rotation around the center of the first vortex. The movement of the fresh airflow within the fresh air duct 104 includes movement close to the exhaust port 1022 and rotation around the center of the second vortex. The first vortex 1031 and the second vortex 1041 are both arranged around the center line of the exhaust port 1022 with the same rotation direction. The center line of the exhaust port 1022 passes through the geometric center of the exhaust port 1022 and is perpendicular to the box plate 12. The first vortex 1031 and the second vortex 1041 respectively guide the circulating airflow and the fresh airflow to flow in the same rotational speed direction and out of the exhaust port 1022. Figures 4 to 8 The first vortex 1031 and the second vortex 1041 are both arranged counterclockwise around the center line of the exhaust port 1022. Regardless of whether the airflow flows from the upstream of the first vortex 1031 to the downstream of the first vortex 1031, or from the upstream of the second vortex 1041 to the downstream of the second vortex 1041, the airflow rotates counterclockwise around the center line of the exhaust port 1022.

[0093] With this arrangement, the circumferential velocity direction of the circulating airflow relative to the center of the first vortex is the same as the circumferential velocity direction of the fresh airflow relative to the center of the second vortex. The circumferential velocity direction of the circulating airflow relative to the center of the first vortex is the direction of the velocity component of the circulating airflow rotating around the center of the first vortex, and the circumferential velocity direction of the fresh airflow relative to the center of the second vortex is the direction of the velocity component of the fresh airflow rotating around the center of the second vortex.

[0094] Figures 4 to 8 In the illustrated embodiment, the first vortex center and the second vortex center approximately coincide with each other, and the first vortex 1031 and the second vortex 1041 can be regarded as sharing the same common vortex center, which is perpendicular to the box plate 12 and has an extension direction parallel to the air outlet direction of the exhaust port 1022. Figure 8 The bold dashed lines show the flow trajectory of the circulating air flow in the blowing air duct 103 and the flow trajectory of the fresh air flow in the fresh air duct. Figure 8 When observing the air handling device 100 from the bottom of the chassis 11 at an observation angle parallel to the air outlet direction of the exhaust port 1022, the speed direction of the circulating airflow rotating around the common vortex center is counterclockwise, and the speed direction of the fresh air airflow rotating around the common vortex center is counterclockwise.

[0095] Furthermore, in some embodiments, there is only one exhaust port 1022, and the exhaust port 1022 is circular in shape, and at least one of the first vortex center and the second vortex center is parallel to the centerline of the exhaust port 1022. The first vortex 1031 and the second vortex 1041 are both connected to the exhaust port 1022, and the first vortex center and the second vortex center both pass through the exhaust port 1022, and the first vortex center and the second vortex center are located between the first vortex 1031 and the second vortex 1041. Figure 1 、 Figures 4 to 8 When the first vortex 1031 and the second vortex 1041 share a common vortex center, the first vortex 1031 and the second vortex 1041 can be symmetrically arranged about the common vortex center, and one of them can be allowed to rotate around the common vortex center by a certain angle on the basis that the first vortex 1031 and the second vortex 1041 are symmetrical about the common vortex center.

[0096] Preferably, an exhaust port 1022 is formed on the box plate 12, and the first vortex 1031 and the second vortex 1041 are both connected to the exhaust port 1022. The centerline of the exhaust port 1022 forms the common vortex center of the first vortex 1031 and the second vortex 1041. This arrangement brings the blowing air column and the fresh air column closer together, nearly combining them into a single overall air column. When the air handling device 100 operates in both the circulating and fresh air modes, users located below the air handling device 100 or bathroom fixtures can more easily feel the circulating and fresh air flows, and the sensation of the blowing air is more pronounced.

[0097] In some embodiments, the air duct chamber 10 further includes a steering assist portion 105, which includes a blowing guide plate 1051 disposed within the cavity of the chassis 11, i.e., the blowing guide plate 1051 is located on the side of the box plate 12 away from the ground. A first gap is formed between the blowing guide plate 1051 and the side of the box plate 12 facing away from the ground. The first gap is used to form at least a portion of the blowing duct 103. The height of the first gap decreases as it approaches the exhaust port 1022. As the circulating airflow leaves the first air outlet 202 and flows along the blowing duct 103 toward the exhaust port 1022, the distance between the side of the blowing guide plate 1051 near the box plate 12 and the box plate 12 decreases. The blowing duct 103 narrows in the portion of the first gap near the exhaust port 1022. The blowing guide plate 1051 applies a boosting force to the circulating airflow, causing it to turn and flow out of the exhaust port 1022.

[0098] Furthermore, the steering assist unit 105 further includes a fresh air guide plate 1052 disposed within the cavity of the chassis 11, i.e., the fresh air guide plate 1052 is located on the side of the box panel 12 away from the ground. A second gap is formed between the fresh air guide plate 1052 and the side of the box panel 12 facing away from the ground. The second gap is used to form at least a portion of the fresh air duct 104. The height of the second gap decreases as it approaches the exhaust port 1022. As the fresh air leaves the second air outlet 302 and flows along the fresh air duct 104 toward the exhaust port 1022, the distance between the side of the fresh air guide plate 1052 closest to the box panel 12 and the box panel 12 decreases. The portion of the fresh air duct 104 in the second gap narrows toward the exhaust port 1022. The fresh air guide plate 1052 applies a boosting force to the fresh air flow, causing it to turn and flow out of the exhaust port 1022.

[0099] The setting of the blowing guide plate 1051 promotes the formation of a blowing air column. Before the circulating airflow reaches the first gap, the circulating airflow basically flows in a direction parallel to the box plate 12. The blowing guide plate 1051 has a boosting effect on the circulating airflow, which enables the circulating airflow to obtain a flow speed in the vertical direction of the box plate 12, so that the circulating airflow can flow out of the exhaust port 1022 more easily with less resistance after turning, and finally form a blowing air column perpendicular to the box plate 12; similarly, the setting of the fresh air guide plate 1052 promotes the formation of a fresh air column. Before the fresh airflow reaches the second gap, the fresh airflow basically flows in a direction parallel to the box plate 12. The fresh air guide plate 1052 has a boosting effect on the fresh airflow, so that the fresh airflow can obtain a flow speed in the vertical direction of the box plate 12, so that the fresh airflow can flow out of the exhaust port 1022 more easily with less resistance after turning.

[0100] It is understandable that, in other embodiments, it is also possible to choose to provide only one of the blowing guide plate 1051 and the fresh air guide plate 1052 .

[0101] Furthermore, the first gap rotates and twists around the center of the first vortex and forms at least a portion of the first vortex 1031, the second gap rotates and twists around the center of the second vortex and forms at least a portion of the second vortex 1041, at least a portion of the side of the blowing guide plate 1051 relatively close to the box plate 12 faces the outside of the exhaust port 1022, and at least a portion of the side of the fresh air guide plate 1052 relatively close to the box plate 12 faces the outside of the exhaust port 1022. Figures 4 to 8 From a viewing angle, the air handling device 100 is observed from the bottom of the chassis 11 at an angle parallel to the air outlet direction of the exhaust port 1022 , and at least a portion of the blowing guide plate 1051 and at least a portion of the fresh air guide plate 1052 can be observed from the exhaust port 1022 .

[0102] With such arrangement, the circulating airflow can immediately obtain the rotational velocity component rotating around the center of the first vortex and the linear velocity component flowing in the parallel direction of the center of the first vortex after flowing into the first gap, and the circulating airflow can form a blowing air column on the eve of leaving the exhaust port 1022, and the blowing air column can be immediately blown out from the exhaust port 1022 after it is formed, reducing the kinetic energy loss of the blowing air column; the fresh air flow can immediately obtain the rotational velocity component rotating around the center of the second vortex and the linear velocity component flowing in the parallel direction of the center of the second vortex after flowing into the second gap, and the fresh air flow can form a fresh air column on the eve of leaving the exhaust port 1022, and the fresh air column can be immediately blown out from the exhaust port 1022 after it is formed, reducing the kinetic energy loss of the fresh air column.

[0103] Furthermore, the blowing duct 103, the fresh air duct 104 and the air inlet duct 106 are all formed between the box plate 12 and the top wall, and the top wall 112 of the blowing duct 103, the fresh air duct 104 and the air inlet duct 106 is formed on the side of the top wall facing the box plate 12. The end of the blowing guide 1051 farthest from the box plate 12 is connected to the side of the top wall facing the box plate 12, and the end of the fresh air guide 1052 farthest from the box plate 12 is connected to the side of the top wall facing the box plate 12, wherein the end of the blowing guide 1051 farthest from the box plate 12 is the end of the blowing guide 1051 farthest from the exhaust outlet 1022, and the end of the fresh air guide 1052 farthest from the box plate 12 is the end of the fresh air guide 1052 farthest from the exhaust outlet 1022. Such an arrangement can ensure that the circulating airflow in the blowing air duct 103 is entirely used to form the blowing air column, and the fresh air flow in the fresh air duct 104 is entirely used to form the fresh air column.

[0104] In one embodiment not shown in the figures, a blowing guide 1051 is fixedly protruded from the first curved wall 1311 to form one side of the first vortex 1031. The first curved wall 1311 is curved in an arc with the center of the first vortex as the center of the circle, and the blowing guide 1051 spirally extends with the center of the first vortex as the center of the spiral. A fresh air guide 1052 is fixedly protruded from the second curved wall 1321 to form one side of the second vortex 1041. The second curved wall 1321 is curved in an arc with the center of the second vortex as the center of the circle, and the fresh air guide 1052 spirally extends with the center of the second vortex as the center of the spiral. With this arrangement, the circulating airflow encounters less resistance when flowing through the blowing guide 1051, and the fresh airflow encounters less resistance when flowing through the fresh air guide 1052. The blowing guide 1051 and the fresh air guide 1052 can respectively apply a longer-term boost to the circulating airflow and the fresh airflow.

[0105] In some embodiments, an exhaust port 1022 is provided on the box plate 12, and a first vortex 1031 and a second vortex 1041 extend to the exhaust port 1022 and are connected to the exhaust port 1022 respectively, the first vortex 1031 and the second vortex 1041 share a common vortex center, and the center line of the exhaust port 1022 forms the common vortex center, and at least a portion of the side of the blowing guide plate 1051 relatively close to the box plate 12 is facing the outside of the exhaust port 1022, and at least a portion of the side of the fresh air guide plate 1052 relatively close to the box plate 12 is facing the outside of the exhaust port 1022; at least a portion of the blowing guide plate 1051 protrudes from the common vortex center along a first radial direction of the common vortex center, and at least a portion of the fresh air guide plate 1052 protrudes from the common vortex center along a second radial direction of the common vortex center, and there is an angle between the first radial direction and the second radial direction, the blowing wind column is located on one side of the common vortex center along the first radial direction, and the fresh air wind column is located on one side of the common vortex center along the second radial direction.

[0106] Specifically, the exhaust port 1022 includes a first air outlet portion and a second air outlet portion that are adjacent and non-overlapping. The first vortex 1031 directly leads to the first air outlet portion, and the second vortex 1041 directly leads to the second air outlet portion. The first air outlet portion is located lateral to a first radial direction of the centerline of the exhaust port 1022, and the second air outlet portion is located lateral to a second radial direction of the centerline of the exhaust port 1022. The first radial direction and the second radial direction are two different radial directions of the centerline of the exhaust port 1022. At least a portion of the side of the blowing guide plate 1051 that is relatively close to the box plate 12 faces outward from the first air outlet portion, and at least a portion of the side of the fresh air guide plate 1052 that is relatively close to the box plate 12 faces outward from the second air outlet portion. When observing the air handling device 100 from the side of the box plate 12 facing away from the top wall 112 and in a direction parallel to the centerline of the exhaust port 1022, at least a portion of the blowing guide plate 1051 can be seen through the first air outlet portion, and at least a portion of the fresh air guide plate 1052 can be seen through the second air outlet portion.

[0107] As a preferred embodiment, the first air outlet part is the first half part of the exhaust port 1022, and the second air outlet part is the second half part of the exhaust port 1022. The first air outlet part and the second air outlet part do not overlap with each other, which means that the first wind column formed by the air flow in the blowing duct 103 blowing out from the first air outlet part and the second wind column formed by the air flow in the fresh air duct 104 blowing out from the second air outlet part do not overlap with each other.

[0108] Optionally, the rotation angle between the first radial direction and the second radial direction is 180°, that is, the first radial direction and the second radial direction are two opposite directions in the same diameter direction.

[0109] With this arrangement, after the blowing guide plate 1051 promotes the circulating airflow and forms a blowing air column, the blowing air column can then be blown out of the exhaust port 1022 from the first air outlet portion. After the fresh air guide plate 1052 promotes the fresh air flow and forms a fresh air column, the fresh air column can then be blown out of the exhaust port 1022 from the second air outlet portion. Once formed, the blowing air column and the fresh air column can be blown out of the air duct chamber 10 without being resisted or interfered by the box plate 12. It is understood that in other embodiments, the exhaust port 1022 can also include two unconnected parts, which respectively form the first air outlet portion and the second air outlet portion.

[0110] See Figure 2 and Figure 4 , Figure 2 and Figure 4 In the illustrated embodiment, the first vortex 1031 and the second vortex 1041 are approximately symmetrically arranged about the common vortex center, the first radial direction and the second radial direction are opposite, and the angle between the two is 180°. The opening shape of the exhaust port 1022 is circular, the center line of the exhaust port 1022 passes through the center of the exhaust port 1022 and is perpendicular to the box plate 12, the first air outlet portion and the second air outlet portion are two semicircular air outlet opening areas, respectively, the blowing air column is formed on one side of the common vortex center along the first radial direction, and the blowing air column is blown out from the first air outlet portion, the fresh air column is formed on one side of the common vortex center along the second radial direction, and the fresh air column is blown out from the second air outlet portion, and the first air outlet portion and the second air outlet portion do not overlap with each other. Such an arrangement can avoid conflict and disturbance between the blowing air column and the fresh air column to the greatest extent, ensuring that both blow into the room with less kinetic energy loss.

[0111] Optionally, in some embodiments, the blowing guide plate 1051 is fixedly connected to the fresh air guide plate 1052. Figure 2 and Figure 4 In the illustrated embodiment, the blowing guide plate 1051 and the fresh air guide plate 1052 are integrally formed.

[0112] In some embodiments, the air collecting port 1021 and the air exhaust port 1022 are respectively and independently opened on the box plate 12, the number of the air exhaust port 1022 is one, the first vortex 1031 and the second vortex 1041 are connected to the same air exhaust port 1022, and the shape of the air exhaust port 1022 projected onto the box plate 12 is located between the shape of the first fan 20 projected onto the box plate 12 and the shape of the second fan 30 projected onto the box plate 12, the shape of the first vortex 1031 projected onto the box plate 12 is located between the shape of the first fan 20 projected onto the box plate 12 and the shape of the second fan 30 projected onto the box plate 12, and the shape of the second vortex 1041 projected onto the box plate 12 is located between the shape of the first fan 20 projected onto the box plate 12 and the shape of the second fan 30 projected onto the box plate 12.

[0113] In some embodiments, the damper 41 is rotatably connected to the air duct chamber 10, and the first door plate 411 and the second door plate 412 are relatively fixed. Figures 4 and 5 As shown, at this time, the first door panel 411 opens the exhaust gap 1312 and blocks the blowing air duct 103, the second door panel 412 closes the air inlet throat 107, and the air collecting port 1021 is connected to the external port 101 through the first air inlet 201, the first air outlet 202 and the exhaust gap 1312. The first air outlet 202 and the exhaust port 1022 are blocked by the first door panel 411, and the air inlet duct 106 and the external port 101 are blocked by the second door panel 412. The external port 101 and the second air outlet 302 cannot be connected; when the damper 41 is in the second position, as shown Figures 7 and 8 As shown, at this time, the first door panel 411 closes the exhaust gap 1312 and clears the blowing air duct 103, the second door panel 412 opens the air intake throat 107, the air collecting port 1021 is connected to the exhaust port 1022 through the first air inlet 201 and the first air outlet 202 and the blowing air duct 103, and the external opening 101 is connected to the second air inlet 301.

[0114] Specifically, the damper mechanism 40 further includes a connecting rod mechanism 44, which includes a crank 441 connected to the damper driver 42, and a transmission connecting rod 442 rotatably connected to the crank 441 and the damper 41. The damper driver 42 drives the crank 441 to rotate, thereby driving the damper 41 to rotate relative to the air duct chamber 10 via the transmission connecting rod 442. Figures 4 to 8 The damper member 41 is rotatably mounted on the top wall, and the damper driving member 42 is fixedly mounted on the top wall. The damper member 41, the damper driving member 42 and the connecting rod mechanism 44 together constitute a planar four-bar mechanism. The motion trajectory plane of the planar screw mechanism is parallel to the box plate 12, reducing the space occupied by the damper mechanism 40 in the vertical direction of the box plate 12.

[0115] See Figure 4 、 Figures 6 to 8 In some embodiments, the air duct chamber 10 further includes a movable air wall 45 disposed in the cavity of the chassis 11 and an air wall driving member 46 driving the movable air wall 45. The movable air wall 45 is movably connected to the chassis 11. The position of the movable air wall 45 relative to the chassis 11 includes a third position and a fourth position. The air wall driving member 46 is responsible for driving the movable air wall 45 to switch between the third position and the fourth position. When the damper member 41 is in the first position, the movable air wall 45 can move to any one of the third and fourth positions. When the movable air wall 45 is in the third position, it blocks the fresh air duct 104 to block the second air outlet 302 and the exhaust port 1022. When it is in the fourth position, the movable air wall 45 withdraws and clears the fresh air duct 104, so that the second air outlet 302 is connected to the exhaust port 1022 through the fresh air duct 104.

[0116] When the damper 41 is in the second position, the position of the movable air wall 45 is determined according to the actual operating conditions of the air handling device 100: if the air handling device 100 is operating only in a circulation mode and performing an air circulation function, the movable air wall 45 can be in the third position or the fourth position; if the air handling device 100 is operating only in a fresh air mode and performing a fresh air function, the movable air wall 45 must be in the fourth position to connect the second air outlet 302 to the exhaust port 1022 through the fresh air duct 104; if the air handling device 100 is operating in both a circulation mode and a fresh air mode, the movable air wall 45 must also be in the fourth position to facilitate the fresh air flow through the fresh air duct 104 and out of the exhaust port 1022. When the movable air wall 45 is in the fourth position, one side of the movable air wall 45 forms part of the fresh air duct 104, i.e., the movable air wall 45 contributes to forming a portion of the inner wall of the fresh air duct 104.

[0117] Specifically, the fresh air duct 104 section formed by the movable wind wall 45 is located above the fresh air duct 104 section formed by the second wind wall 132. After leaving the second air outlet 302, the fresh air flow first flows through the movable wind wall 45, then flows through the second wind wall 132, and finally flows out of the exhaust port 1022. In order to reduce the resistance of the fresh air flow flowing in the fresh air duct 104, the movable wind wall 45 includes an arcuate section. When the movable wind wall 45 is in the fourth position, it smoothly transitions to the high-speed air outlet side of the second air outlet 302. The high-speed air outlet side of the second air outlet 302 refers to the side of the exhaust portion 323 of the second volute 32 that is relatively far away from the axis of the second wind wheel 31. Due to the centrifugal guiding effect of the second wind wheel 31 on the fresh air flow, the fresh air flow blown out from the exhaust portion 323 is closer to the high-speed air outlet side of the second air outlet 302, which means it is farther away from the axis of the second wind wheel 31, and thus the air outlet speed is greater. The fresh air flow can then flow smoothly through the movable air wall 45 without being disturbed by the movable air wall 45 .

[0118] As a preferred embodiment, when the damper 41 is in the second position and the air handling device 100 is operating only in a circulating mode and performing an air circulation function, the movable air wall 45 is in the third position. At this time, one end of the movable air wall 45 smoothly transitions to the first air wall 131, and the other end smoothly transitions to the second air wall 132. Specifically, the two ends of the movable air wall 45 smoothly transition to the first curved wall 1311 and the second curved wall 1321, respectively. The first curved wall 1311, the movable air wall 45, and the second curved wall 1321 sequentially form a continuous circular or elliptical air guide structure that curves and extends around a common vortex center.

[0119] With such arrangement, when a part of the circulating airflow fails to form a blowing wind column after crossing the blowing guide plate 1051, this part of the circulating airflow can continue to flow along the movable wind wall 45 and the second wind wall 132. During this period, this part of the circulating airflow continues to obtain the velocity component rotating around the common vortex center. Subsequently, this part of the circulating airflow flows through the fresh air guide plate 1052, and with the help of the fresh air guide plate 1052, it forms a blowing wind column again and is blown out of the exhaust port 1022, thereby avoiding air volume loss in the circulating airflow and allowing as many circulating airflows as possible to form blowing wind columns.

[0120] Further, see Figure 4 and Figure 6 When the damper member 41 is in the first position, one end of the first door panel 411 extends toward the first air outlet 202, and the other end extends toward the external opening 101. At this time, the first door panel 411 is tilted relative to the external opening 101 and the first air outlet 202. Driven by the first fan 20, the indoor air enters the first fan 20 from the air collecting port 1021 and the first air inlet 201, and then leaves the first fan 20 from the first air outlet 202. Then, the indoor air will make a flow turn under the guidance of the first door panel 411 and finally flow to the outdoors from the external opening 101. Under the guidance of the first door panel 411, the indoor air will hardly hit the box wall 111 of the chassis 11, reducing kinetic energy loss.

[0121] Further, see Figures 7 and 8 The exhaust gap 1312 is formed between the upstream section of the first wind wall 131, that is, the section of the first wind wall 131 located upstream of the first curved wall 1311, and the first fan 20. When the damper 41 is in the second position, the first door plate 411 is adapted to the exhaust gap 1312 and fully closes the exhaust gap 1312. At this time, the first door plate 411, the upstream section of the first wind wall 131, and the first curved wall 1311 are sequentially connected to form a continuous air guide structure. One end of the first door plate 411 is smoothly connected to the high-speed air outlet side of the first air outlet 202, and is also smoothly connected to the first wind wall 131. The high-speed air outlet side of the first air outlet 202 refers to the intersection of the edge of the first volute 22 away from the axis of the first wind wheel 21 and the opening edge of the first air outlet 202. Due to the centrifugal guiding effect of the first wind wheel 21 on the indoor air, in the air blown out from the first air outlet 202, the closer to the high-speed air outlet side of the first air outlet 202, the farther away from the axis of the first wind wheel 21, and thus the greater the air outlet speed. The air can then flow smoothly through the first door panel 411, and will not be obstructed by the first door panel 411 to reduce the flow rate, nor will it be diverted by the first door panel 411 to reduce the flow rate.

[0122] Further, see Figures 4 to 8The air duct chamber 10 also includes a damper shaft 43, which is mounted at the end of the upstream section of the first air wall 131, that is, at the end of the upstream section of the first air wall 131 that is relatively far from the first curved wall 1311. The damper shaft 43 is perpendicular to the cabinet panel 12. The damper member 41 includes a connecting portion that pivotally engages with the damper shaft 43. A first door panel 411 and a second door panel 412 are fixedly protruded on either side of the connecting portion. One side of the first air wall 131 forms the blowing air duct 103, and the other side forms the air inlet duct 106. An air intake spacer is provided between the upstream end of the first air wall 131 and the cabinet wall 111 of the cabinet 11, forming the air inlet throat 107. When the damper member 41 is in the first position, the second door plate 412 is connected to the end of the upstream section of the first wind wall 131 and is connected to the box wall 111, thereby occupying the air intake interval to close the air intake throat 107. When the damper member 41 is in the second position, the second door plate 412 is separated from the box wall 111 to open the air intake throat 107.

[0123] See Figures 1 and 2 、 Figure 5 In some embodiments, the first air outlet 202 and the blowing duct 103 are located on one side of the first air wall 131, the second air inlet 301 and the air inlet duct 106 are located on the other side of the first air wall 131, and the first fan 20, the first air wall 131, the damper mechanism 40, and the second fan 30 are all located on the same side of the cabinet wall 111. The damper driver 42 drives the connecting rod mechanism 44, which in turn drives the damper member 41 to rotate about the damper shaft 43. The transmission connecting rod 442 is rotatably connected to the end of the second door panel 412 that is farther away from the first door panel 411 at the end away from the crank 441.

[0124] In some embodiments, the air duct chamber 10 includes a partition 123, which divides the cavity of the air duct chamber 10 into a first installation cavity 124 and a second installation cavity 125. The first installation cavity 124 and the second installation cavity 125 are respectively located on both sides of the partition 123. The first fan 20, the blowing duct 103, the air inlet duct 106 and the fresh air duct 104 are all located in the first installation cavity 124, that is, the first fan 20, the blowing duct 103, the air inlet duct 106 and the fresh air duct 104 are all located in the first installation cavity 124. The second fan 30 is detachably mounted in the second installation cavity 125 on a side of the partition 123 facing away from the second installation cavity 125. The external opening 101, the air collecting opening 1021, and the air exhaust opening 1022 all extend through the cavity wall of the first installation cavity 124. The cavity wall of the first installation cavity 124 includes the portion of the box plate 12 that participates in forming the first installation cavity 124, the portion of the box wall 111 that participates in forming the first installation cavity 124, and the portion of the top wall 112 that participates in forming the first installation cavity 124. The partition 123 is provided with a windward opening 1231 and an air supply opening 1232. Both the windward opening 1231 and the air supply opening 1232 extend through both sides of the partition 123, i.e., the windward opening 1231 connects the first installation cavity 124 with the second installation cavity 125, and the air supply opening 1232 connects the first installation cavity 124 with the second installation cavity 125. When the second fan 30 is connected to the second installation cavity 125 , the second air inlet 301 is connected to the air inlet duct 106 through the windward opening 1231 , and the second air outlet 302 is connected to the fresh air duct 104 through the air supply opening 1232 .

[0125] Furthermore, a detachable adaptor connection is formed between the second air inlet 301 and the windward outlet 1231 so as to be connected, and a detachable adaptor connection is formed between the second air outlet 302 and the air supply outlet 1232 so as to be connected. Figures 2 and 3 、 Figures 4 to 8 The second wind wheel 31, the air collecting box 33 and the second volute 32 are fixedly connected as a whole. One end of the air collecting box 33 with a second air inlet 301 is detachably connected to the side of the partition 123 away from the first installation cavity 124, and the other end of the air collecting box 33 is connected to the second air inlet end 311 of the second wind wheel 31, thereby communicating with the second air inlet end 311; the air duct chamber 10 includes an extended mounting structure 126 fixedly connected to the chassis 11, and the extended mounting structure 126 can be arranged in the second installation cavity 125. The second volute 32 is fixedly connected to the extended mounting structure 126, and includes an exhaust portion 323 with a second air outlet 302, and the exhaust portion 323 is detachably connected to the side of the partition 123 away from the first installation cavity 124.

[0126] Furthermore, in some embodiments, the box plate 12 includes an air collecting plate 121 and an extension plate detachably connected to the air collecting plate 121. The air collecting plate 121 is fixedly connected to the chassis 11 and closes the first installation cavity 124. When the extension plate is connected to the air collecting plate 121, the extension plate is fixedly connected to the chassis 11 and closes the second installation cavity 125. Specifically, the air collecting port 1021 and the air exhaust port 1022 are both opened on the air collecting plate 121. With this arrangement, the disassembly and installation of the second fan 30 is more convenient. When the second fan 30 needs to be installed or disassembled, the second installation cavity 125 can be opened by simply removing the extension plate from the air collecting plate 121 without operating the air collecting plate 121. During the process of disassembling and assembling the second fan 30, the air collecting plate 121 remains closed to the first installation cavity 124, which will not affect the first fan 20. The function of the first fan 20 will not be affected after the second fan 30 is disassembled.

[0127] Optional, see Figures 2 and 3 In some embodiments, the air collecting box 33 includes an air inlet slope 331 formed at the opening edge of the second air inlet 301. The air inlet slope 331 is connected to the side of the partition 123 facing away from the first installation cavity 124. The air inlet slope 331 can reduce the resistance of outdoor air entering the second air inlet 301 after passing through the windward opening 1231.

[0128] The various technical features of the above-described embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the various technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0129] Those skilled in the art should recognize that the above embodiments are merely intended to illustrate the present invention and are not intended to limit the present invention. Any appropriate changes and modifications to the above embodiments fall within the scope of the present invention as long as they are within the spirit of the present invention.

Claims

1. An air handling device, characterized in that: It has circulation working condition and fresh air working condition, and includes: The air duct chamber (10) comprises an external opening (101) connected to the outdoors, an air collecting opening (1021) connected to the indoors, and an air exhaust opening (1022) connected to the indoors, wherein the air exhaust opening (1022) comprises a first air outlet portion and a second air outlet portion which are adjacently opened and do not overlap; An air blowing duct (103), connected to the air collecting port (1021), comprising a first vortex channel (1031) leading to the first air outlet portion; A fresh air duct (104), connected to the external opening (101), comprising a second vortex (1041) leading to the second air outlet portion; The circulation working condition specifies that the blowing air duct (103) is unblocked with the air collecting port (1021), and the blowing air duct (103) is unblocked with the air exhaust port (1022). The fresh air working condition specifies that the fresh air duct (104) is unblocked with the external opening (101), and the fresh air duct (104) is unblocked with the exhaust port (1022).

2. The air handling device according to claim 1, characterized in that: The first vortex (1031) and the second vortex (1041) are arranged around the center line of the exhaust port (1022) in the same rotation direction, and the first vortex (1031) and the second vortex (1041) are respectively used to guide the circulating airflow and the fresh airflow to flow in the same rotation speed direction and flow out of the exhaust port (1022).

3. The air handling device according to claim 1, characterized in that: The number of the exhaust port (1022) is one, and the first vortex (1031) and the second vortex (1041) both lead to the same exhaust port (1022); and / or, The first air outlet portion is located on the lateral side of a first radial direction of the center line of the air outlet (1022), and the second air outlet portion is located on the lateral side of a second radial direction of the center line of the air outlet (1022), and the rotation angle between the first radial direction and the second radial direction is 180°.

4. The air handling device according to claim 1, characterized in that: The vortex center of the first vortex (1031) and the vortex center of the second vortex (1041) are both located between the first vortex (1031) and the second vortex (1041).

5. The air handling device according to claim 1, characterized in that: The first vortex (1031) and the second vortex (1041) share the same vortex center; and / or, The vortex center of the first vortex (1031) and the vortex center of the second vortex (1041) both extend along the air outlet direction of the air outlet (1022).

6. The air handling device according to claim 5, characterized in that: The first vortex (1031) and the second vortex (1041) share the same vortex center, and the vortex center is the center line of the exhaust port (1022).

7. The air handling device according to any one of claims 1 to 6, characterized in that: The air duct chamber (10) further comprises a steering assist portion (105) and a box plate (12) provided with the air outlet (1022), wherein the steering assist portion (105) comprises: a blowing guide plate (1051), wherein the gap between the blowing guide plate (1051) and the box plate (12) decreases in a direction approaching the air outlet (1022) and forms at least a portion of the first vortex channel (1031); and / or, A fresh air guide plate (1052), wherein the gap between the fresh air guide plate (1052) and the box plate (12) decreases in a direction approaching the air outlet (1022), and forms at least a portion of the second vortex (1041).

8. The air handling device according to claim 7, characterized in that: The steering assist portion (105) includes a blowing guide plate (1051), and the gap between the blowing guide plate (1051) and the box plate (12) decreases in a direction approaching the exhaust port (1022) and forms at least a portion of the first vortex (1031). The exhaust port (1022) includes a first air outlet portion, and the first vortex (1031) leads to the first air outlet portion, and at least a portion of the blowing guide plate (1051) faces the outside of the first air outlet portion.

9. The air handling device according to claim 7, characterized in that: The steering assist portion (105) includes a fresh air guide plate (1052), the gap between the fresh air guide plate (1052) and the box plate (12) decreases in a direction approaching the exhaust port (1022), and forms at least a portion of the second vortex (1041), the exhaust port (1022) includes a second air outlet portion, the second vortex (1041) leads to the second air outlet portion, and at least a portion of the fresh air guide plate (1052) faces the outside of the second air outlet portion.

10. The air handling device according to claim 7, characterized in that: The steering assist portion (105) comprises an air blowing guide plate (1051) and a fresh air guide plate (1052); the gap between the air blowing guide plate (1051) and the box plate (12) decreases in a direction approaching the air outlet (1022) and forms at least a portion of the first vortex (1031); and the gap between the fresh air guide plate (1052) and the box plate (12) decreases in a direction approaching the air outlet (1022) and forms at least a portion of the second vortex (1041); At least part of the blowing guide plate (1051) is located on the first radial side of the center line of the exhaust port (1022), and at least part of the fresh air guide plate (1052) is located on the second radial side of the center line of the exhaust port (1022).

11. The air handling device according to any one of claims 1 to 6 and 8 to 10, characterized in that: The fresh air working condition limits the air collecting port (1021) to be blocked from the external opening (101); and / or, The air handling device also has an exhaust working condition, wherein the exhaust working condition limits the air collecting port (1021) to be unblocked with the external opening (101), and the fresh air duct (104) to be blocked with the external opening (101).

12. A bathroom equipment, characterized in that: It comprises the air handling device as described in any one of claims 1 to 11.

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