Fresh air device and air conditioner

Abstract

The present invention provides a fresh air device and an air conditioner, the fresh air device comprising: a shell, the shell having a accommodating chamber and a fresh air outlet that are interconnected; a blocking part, the blocking part is rotatably and axially movable along a preset axis, the blocking part has a closed position and an open position, when the blocking part is in the closed position, at least a part of the structure of the blocking part is located in the fresh air outlet to block the fresh air outlet, when the blocking part is in the open position, the blocking part is located in the accommodating chamber and corresponds to the physical structure of the shell; a driving part, and the blocking part is drivingly connected. Through the technical solution provided by the present invention, outdoor fresh air is continuously sucked into the room, the indoor air quality is improved, the fresh air outlet is avoided from being always open, resulting in dust or fluid entering the accommodating chamber from the fresh air outlet, thereby causing the fresh air device to malfunction, the appearance of the fresh air device is improved, the degree of automation and the user's comfort are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of air conditioners, and in particular to a fresh air device and an air conditioner. Background Art

[0002] Generally, when using an air conditioner, the user will ensure that the room is sealed, which can achieve the effect of saving electricity, but as time goes by, the indoor air quality will become worse and worse; on the contrary, if the user opens the window to circulate indoor and outdoor air when using the air conditioner, the cooling or heating effect of the air conditioner will decrease. That is, the air conditioner in the prior art cannot take into account both the high efficiency of cooling or heating and the freshness of indoor air at the same time.

[0003] The fresh air device in the prior art can introduce outdoor air into the room, but the fresh air outlet is often in a normally open state, or there is a filter grille at the fresh air outlet, which will cause indoor dust, particles and even fluids to enter the containing cavity from the fresh air outlet, affecting the fresh air device. Summary of the invention

[0004] The invention provides a fresh air device and an air conditioner to prevent indoor pollutants from entering into a fresh air outlet.

[0005] In order to achieve the above-mentioned purpose, according to one aspect of the present invention, the present invention provides a fresh air device, which includes: an outer shell, the outer shell having a accommodating chamber and a fresh air outlet that are interconnected; a blocking part, the blocking part is rotatably and axially movable along a preset axis, and the blocking part has a closed position and an open position, when the blocking part is in the closed position, at least a part of the structure of the blocking part is located in the fresh air outlet to block the fresh air outlet, and when the blocking part is in the open position, the blocking part is located in the accommodating chamber and corresponds to the physical structure of the outer shell; a driving part, which is drivingly connected to the blocking part.

[0006] Furthermore, the preset axis and the air outlet direction of the fresh air outlet are arranged in the same direction, and when the blocking portion is in a closed position, the edge of the fresh air outlet on the outer side of the shell is flush with the edge of the blocking portion.

[0007] Furthermore, the driving part includes a driving box, a first driving mechanism and a second driving mechanism, and the blocking part is arranged on the driving box; the first driving mechanism and the blocking part are drivingly connected so that the blocking part rotates along a preset axis, and the second driving mechanism and the driving box are drivingly connected so that the driving box drives the blocking part to move axially along the preset axis.

[0008] Furthermore, the fresh air outlet includes multiple sub-outlets, and the blocking part includes a first blocking structure and a second blocking structure. The first blocking structure and the second blocking structure are respectively used to block different sub-outlets. The first blocking structure and the second blocking structure can both rotate along a preset axis and in opposite directions. The first driving mechanism is drivingly connected to the first blocking structure and the second blocking structure.

[0009] Furthermore, the first driving mechanism includes a first motor and a gear assembly, the gear assembly is arranged in the cavity of the driving box, the first motor and the gear assembly are drivingly connected, and the gear assembly is drivingly connected to the first blocking structure and the second blocking structure.

[0010] Furthermore, the gear assembly includes a first large gear, a second large gear, a pinion and an inner ring gear, the first large gear is fixedly connected to the first blocking structure, the second large gear is fixedly connected to the first large gear, and the inner ring gear is fixedly connected to the second blocking structure; wherein, the inner ring gear and the second large gear are both meshed with the pinion gear, and the rotation center lines of the first large gear, the second large gear and the inner ring gear are all preset axes.

[0011] Furthermore, the first motor is arranged on the driving box, the gear assembly also includes a main gear, and the first motor is driven and connected to the first large gear through the main gear; the first large gear has a limit groove, and the gear assembly also includes a limit block arranged on the second large gear, and the limit block penetrates into the limit groove; or the second large gear has a limit groove, and the gear assembly also includes a limit block arranged on the first large gear, and the limit block penetrates into the limit groove.

[0012] Furthermore, the small gear and the second large gear are both located between the first blocking structure and the second blocking structure, there are multiple small gears, a central rotating shaft and multiple offset rotating shafts are fixedly arranged in the driving box, and the second blocking structure has multiple arc grooves; wherein, the central rotating shaft is connected to the second large gear, the multiple offset rotating shafts pass through the multiple arc grooves one by one, and the multiple offset rotating shafts are connected to the multiple small gears one by one.

[0013] Furthermore, the drive box includes a box body and a box cover connected to each other, the first blocking structure and the second blocking structure are located between the box body and the box cover, and the box body and / or the box cover have a circumferential limiting structure, which circumferentially limits the first blocking structure and the second blocking structure.

[0014] Furthermore, the box body includes a first main body, two first limit plates and at least two second limit plates, the two first limit plates are arranged on the first main body at intervals, and at least one first limit plate is arranged on two second limit plates at intervals, wherein the two first limit plates respectively cooperate with the second blocking structure stopper in two directions, and the two second limit plates respectively cooperate with the first blocking structure stopper in two directions.

[0015] Further, the first blocking structure includes a first turntable, a first transition piece and at least one first blade connected in sequence, the first turntable is rotatably arranged in a cavity between the box body and the box cover, the first transition piece cooperates with two second limit plate stops, the first blade is located outside the drive box, and one first blade is used to block a corresponding sub-outlet; the second blocking structure includes a second turntable, a second transition piece and at least one second blade connected in sequence, the second turntable is rotatably arranged in a cavity between the box body and the box cover, the second transition piece cooperates with two first limit plate stops, the second blade is located outside the drive box, and one second blade is used to block a corresponding sub-outlet.

[0016] Furthermore, the drive box includes a box body, a box cover, a buckle and a slot, the blocking portion is located between the box body and the box cover, the buckle is arranged on one of the box body and the box cover, the slot is arranged on the other of the box body and the box cover, and the buckle and the slot are snap-connected.

[0017] Furthermore, the drive box has an internal thread, the second drive mechanism includes a screw and a second motor, the screw and the internal thread cooperate, the second motor and the screw are drivingly connected, and the screw drives the drive box to move axially along a preset axis when rotating.

[0018] Furthermore, the driving part also includes: a bracket, the bracket and the shell are fixedly connected, and the second motor is arranged on the bracket; a guide rail and a guide groove cooperate with each other, and the guide rail extends along a preset axis; wherein the guide rail is arranged on the driving box, and the guide groove is arranged on the bracket or the shell; or, the guide rail is arranged on the shell or the bracket, and the guide groove is arranged on the driving box.

[0019] Furthermore, the first blocking structure includes a first turntable, a first transition piece and at least one first blade connected in sequence, the first turntable is rotatably arranged in a drive box, and the first blade is located outside the drive box; the second blocking structure includes a second turntable, a second transition piece and at least one second blade connected in sequence, the second turntable is rotatably arranged in the drive box, and the second blade is located outside the drive box; wherein, when the blocking portion is in a closed position, the first blade and the second blade both protrude from a side of the drive box facing the fresh air outlet, and the first blade and the second blade block a plurality of sub-outlets correspondingly.

[0020] Further, there are multiple first blades, and the multiple first blades include a first large blade and a first small blade; there are multiple second blades, and the multiple second blades include a second large blade and a second small blade; the multiple sub-outlets include a first large sub-outlet, a first small sub-outlet, a second large sub-outlet and a second small sub-outlet, the first large sub-outlet corresponds to the first large blade, the first small sub-outlet corresponds to the first small blade, the second large sub-outlet corresponds to the second large blade, and the second small sub-outlet corresponds to the second small blade; wherein, when the blocking portion is in the open position, the first large blade and the second large blade are both located between the first large sub-outlet and the second large sub-outlet, the first small blade is located between the first large sub-outlet and the first small sub-outlet, and the second small blade is located between the second large sub-outlet and the second small outlet.

[0021] Furthermore, there are two first large blades, two first small blades, two second large blades, and two second small blades. The two first large blades, two first small blades, two second large blades, and two second small blades are all symmetrical relative to the center of the preset axis; there are two first large sub-outlets, two first small sub-outlets, two second large sub-outlets, and two second small sub-outlets. The two first large sub-outlets, two first small sub-outlets, two second large sub-outlets, and two second small outlets are all symmetrical relative to the center of the preset axis.

[0022] According to another aspect of the present invention, an air conditioner is provided. The air conditioner includes an indoor unit and a fresh air device. The fresh air device is the fresh air device described above.

[0023] Furthermore, the indoor unit includes a shell structure and a heat exchanger arranged in the cavity of the shell structure, and the front of the shell structure has a heat exchange outlet; the outer shell of the fresh air device is connected to one end of the side of the shell structure, and the fresh air device also includes a ventilation component, which is used to introduce outdoor air into the room, and the fresh air outlet of the outer shell faces the side of the shell structure.

[0024] Furthermore, the fresh air device also includes a filter part, which is arranged in the cavity of the shell, the inlet of the filter part is connected to the outlet of the ventilation component, and the outlet of the filter part faces the fresh air outlet.

[0025] Furthermore, the filter part includes: a fresh air shell, the fresh air shell having a fresh air cavity and a first opening connected to the fresh air cavity, the opening of the fresh air cavity faces the fresh air outlet, and the first opening is connected to the outlet of the ventilation component; a mounting frame connected to a side of the fresh air shell facing the fresh air outlet; and a filter net arranged in the mounting frame.

[0026] Furthermore, the fresh air housing includes a mounting plate and a surrounding plate arranged around the periphery of the mounting plate, the first opening is located on the mounting plate, the area between the surrounding plate and the mounting plate forms a fresh air cavity, and the mounting frame is connected to the surrounding plate.

[0027] Furthermore, the mounting frame includes: a frame structure, the frame structure has an air inlet side and an air outlet side, both the air inlet side and the air outlet side have multiple openings, the multiple openings on the air inlet side are connected to the openings of the fresh air cavity, the multiple openings on the air outlet side are connected to the fresh air outlet, there is an installation cavity between the air inlet side and the air outlet side, and the filter is arranged in the installation cavity.

[0028] Furthermore, the mounting frame also includes a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate are respectively arranged at two ends of the frame structure, and the first connecting plate and the second connecting plate are respectively detachably connected to the fresh air casing.

[0029] Furthermore, the ventilation component is arranged in the cavity of the shell structure, the outer shell and the filter part are arranged outside the shell structure, the shell structure has a second opening, and the outlet of the ventilation component is connected to the fresh air outlet through the second opening.

[0030] Furthermore, the shell structure includes a panel body and a bottom shell connected to each other, the ventilation component is connected to the bottom shell, and the second opening is located on the side wall of the panel body; the air outlet direction of the fresh air outlet is horizontal, and the air outlet direction of the fresh air outlet is perpendicular to the air outlet direction of the heat exchange outlet.

[0031] The technical scheme of the present invention is applied to provide a fresh air device, which includes: a shell, the shell has a accommodating cavity and a fresh air outlet that are interconnected; a blocking part, the blocking part is rotatably and axially movable along a preset axis, the blocking part has a closed position and an open position, when the blocking part is in the closed position, at least a part of the structure of the blocking part is located in the fresh air outlet to block the fresh air outlet, when the blocking part is in the open position, the blocking part is located in the accommodating cavity and corresponds to the physical structure of the shell; a driving part is connected to the blocking part in a driving manner. With this scheme, when the user does not turn on the fresh air device, the blocking part will block the fresh air outlet; when the user turns on the fresh air device, the blocking part will first move along the preset axis into the accommodating cavity to open the fresh air outlet, at this time, there is a distance between the blocking part and the fresh air outlet in the axial direction, and then the blocking part is rotated by itself to make the blocking part avoid the fresh air outlet, so that the blocking part and the fresh air outlet are spaced apart in the circumferential direction, thereby achieving full opening of the fresh air outlet. By setting up a fresh air device, fresh air from the outside is continuously sucked into the room, thereby improving the indoor air quality. The opening and closing of the fresh air outlet is realized by the blocking part, thereby avoiding the situation where the fresh air outlet is always open, causing dust or fluid to enter the accommodating cavity from the fresh air outlet, thereby causing the fresh air device to malfunction; and such a setting improves the appearance and automation of the fresh air device, and improves the comfort of users. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0033] Figure 1 A schematic structural diagram of a fresh air device provided by an embodiment of the present invention is shown;

[0034] Figure 2 Shows Figure 1 A structural schematic diagram of a fresh air device in which the blocking portion is in an open position;

[0035] Figure 3 Shows Figure 1 An assembly diagram of a driving part and a blocking part in a closed position in a fresh air device;

[0036] Figure 4 Shows Figure 3 An assembly diagram of a driving portion and a blocking portion in an open position;

[0037] Figure 5 Shows Figure 3 Exploded diagram of

[0038] Figure 6 Shows Figure 1 An assembly diagram of a box body, a central shaft, an eccentric shaft, a buckle and a guide rail;

[0039] Figure 7 Shows Figure 1 An assembly diagram of the second blocking structure, the box body and the gear assembly;

[0040] Figure 8 Shows Figure 1 An assembly diagram of a sealing portion, a drive box and a gear assembly;

[0041] Fig. 9 Shows Figure 1 Assembly diagram of the box cover, screw and slot;

[0042] Fig.10 Shows Figure 1 Assembly diagram of the housing, the sealing part and the driving part;

[0043] Fig.11 A schematic diagram showing the structure of an air conditioner provided by an embodiment of the present invention is shown;

[0044] Fig.12 Shows Fig.11 Exploded view of an air conditioner.

[0045] The above drawings include the following reference numerals:

[0046] 10. Shell; 11. Accommodating chamber; 12. Fresh air outlet; 121. First large outlet; 122. First small outlet; 123. Second large outlet; 124. Second small outlet;

[0047] 20. Blocking portion; 21. First blocking structure; 211. First rotating disk; 212. First transition piece; 213. First blade; 2131. First large blade; 2132. First small blade; 22. Second blocking structure; 221. Arc groove; 222. Second rotating disk; 223. Second transition piece; 224. Second blade; 2241. Second large blade; 2242. Second small blade;

[0048] 30. driving part; 31. driving box; 311. central rotating shaft; 312. offset rotating shaft; 313. box body; 3131. first main body; 3132. first limiting plate; 3133. second limiting plate; 314. box cover; 315. buckle; 316. slot; 32. first driving mechanism; 321. first motor; 322. gear assembly; 3221. first large gear; 3222. second large gear; 3223. small gear; 3224. inner gear ring; 3225. main gear; 3226. limiting slot; 3227. limiting block; 33. second driving mechanism; 331. screw rod; 332. second motor; 34. bracket;

[0049] 41. Shell structure; 42. Heat exchange air outlet; 43. Second opening; 44. Panel body;

[0050] 50. Ventilation components;

[0051] 60. Filter unit; 61. Fresh air housing; 611. Mounting plate; 612. Enclosure; 62. Fresh air cavity; 63. First opening; 64. Mounting frame; 641. Frame structure; 642. Mounting cavity; 643. First connecting plate; 644. Second connecting plate; 65. Filter screen;

[0052] 70. Fresh air device. DETAILED DESCRIPTION

[0053] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0054] like Figures 1 to 10As shown, an embodiment of the present invention provides a fresh air device, which includes: a shell 10, the shell 10 has a accommodating chamber 11 and a fresh air outlet 12 that are interconnected; a blocking portion 20, the blocking portion 20 is rotatably and axially movable along a preset axis, and the blocking portion 20 has a closed position and an open position. When the blocking portion 20 is in the closed position, at least a portion of the structure of the blocking portion 20 is located in the fresh air outlet 12 to block the fresh air outlet 12. When the blocking portion 20 is in the open position, the blocking portion 20 is located in the accommodating chamber 11 and corresponds to the physical structure of the shell 10; a driving portion 30, which is drivingly connected to the blocking portion 20.

[0055] In this embodiment, when the user does not turn on the fresh air device, the blocking portion 20 will block the fresh air outlet 12; when the user turns on the fresh air device, the blocking portion 20 will first move along the preset axis into the accommodating chamber 11 to open the fresh air outlet 12. At this time, the blocking portion 20 and the fresh air outlet 12 are spaced in the axial direction. Then, the blocking portion 20 itself rotates to make the blocking portion 20 avoid the fresh air outlet 12, so that the blocking portion 20 and the fresh air outlet 12 are spaced in the circumferential direction, thereby achieving full opening of the fresh air outlet 12. By setting the fresh air device, outdoor fresh air is continuously sucked into the room, improving the indoor air quality. The opening and closing of the fresh air outlet 12 is achieved by the blocking portion 20, avoiding the situation that the fresh air outlet 12 is always open, causing dust or fluid to enter the accommodating chamber 11 from the fresh air outlet, thereby causing the fresh air device to malfunction; and such a setting improves the appearance of the fresh air device and the degree of automation, and improves the comfort of the user.

[0056] Specifically, when the blocking part 20 moves from the open position to the closed position, it is only necessary to reverse the above process, that is: the blocking part 20 first rotates itself (opposite to the rotation direction of the above process) to make the blocking part 20 and the fresh air outlet 12 overlap in the circumferential direction, and then moves toward the outer shell 10 along the preset axis to make the blocking part 20 and the fresh air outlet 12 overlap in the axial direction, thereby achieving complete closure of the fresh air outlet 12.

[0057] like Figure 1 and Figure 2 As shown, the preset axis and the air outlet direction of the fresh air outlet 12 are arranged in the same direction, and when the blocking portion 20 is in the closed position, the edge of the fresh air outlet 12 outside the shell 10 is flush with the edge of the blocking portion 20 .

[0058] In this embodiment, when the user does not turn on the fresh air device, that is, when the blocking portion 20 is in the closed position, the blocking portion 20 is located in the fresh air outlet 12, the outer wall of the blocking portion 20 and the inner wall of the fresh air outlet 12 are sealed and matched, and the edge of the blocking portion 20 on the outer side of the shell 10 is flush with the edge of the fresh air outlet 12 on the outer side of the shell 10. In this way, the blocking portion 20 is cleverly integrated with the shell 10 to form a concealable fresh air outlet 12, which increases the aesthetics of the fresh air device. At the same time, in this way, when the blocking portion 20 is in the closed position, dust, powder or fluid is prevented from entering the fresh air device from the fresh air outlet 12, thereby improving the reliability of the fresh air device.

[0059] Specifically, the driving part 30 includes a driving box 31, a first driving mechanism 32 and a second driving mechanism 33, and the blocking part 20 is arranged on the driving box 31; the first driving mechanism 32 and the blocking part 20 are drivingly connected so that the blocking part 20 rotates along a preset axis, and the second driving mechanism 33 and the driving box 31 are drivingly connected so that the driving box 31 drives the blocking part 20 to move axially along the preset axis.

[0060] In this embodiment, two driving mechanisms are provided to drive the blocking portion 20, so as to avoid the situation that the blocking portion 20 rotates and moves axially at the same time under the action of one driving mechanism, causing the blocking portion 20 to interfere with the fresh air outlet 12 or the housing 10, thereby ensuring the reliability of the switching of the blocking portion 20 between the closed position and the open position. Specifically, when the blocking portion 20 moves from the closed position to the open position, if the blocking portion 20 is not completely disengaged from the fresh air outlet 12, and the outer wall of the blocking portion 20 and the inner wall of the fresh air outlet 12 are in contact, the blocking portion 20 located in the fresh air outlet 12 cannot be rotated; or, when the blocking portion 20 moves from the open position to the closed position, since the blocking portion 20 rotates and moves axially at the same time, if the blocking portion 20 does not rotate to the position directly opposite to the fresh air outlet 12, that is, in contact with the inner side surface of the housing 10, the blocking portion 20 in the accommodating cavity 11 cannot continue to move axially into the fresh air outlet 12.

[0061] Furthermore, the fresh air outlet 12 includes a plurality of sub-outlets, and the blocking portion 20 includes a first blocking structure 21 and a second blocking structure 22, the first blocking structure 21 and the second blocking structure 22 are respectively used to block different sub-outlets, the first blocking structure 21 and the second blocking structure 22 can both rotate along a preset axis and turn in opposite directions, and the first driving mechanism 32 is drivingly connected to both the first blocking structure 21 and the second blocking structure 22. This arrangement increases the air outlet area of ​​the fresh air outlet 12 while avoiding the interference between the first blocking structure 21 and the second blocking structure 22 and the housing 10 when rotating, thereby improving the ventilation efficiency of the fresh air device.

[0062] Specifically, the housing 10 is a rectangular structure. When the first blocking structure 21 and the second blocking structure 22 rotate in the same direction, the longer part of at least one of the second blocking structure 22 and the second blocking structure 22 will rotate toward a long side of the rectangular structure of the housing 10. This will cause the first blocking structure 21 and the second blocking structure 22 to interfere with the long side of the housing 10, causing the blocking part 20 to be unable to rotate, affecting the opening and closing of the fresh air device. In this embodiment, the first blocking structure 21 and the second blocking structure 22 are set to rotate in opposite directions, so that when the first blocking structure 21 and the second blocking structure 22 rotate, they will both rotate toward a position close to the center of the rectangular structure of the housing 10, that is, away from the long side surfaces on both sides, effectively avoiding the occurrence of interference and ensuring the reliability of the fresh air device.

[0063] like Figure 5 As shown, the first driving mechanism 32 includes a first motor 321 and a gear assembly 322. The gear assembly 322 is disposed in the cavity of the driving box 31. The first motor 321 and the gear assembly 322 are drivingly connected. The gear assembly 322 is drivingly connected to both the first blocking structure 21 and the second blocking structure 22. In this arrangement, the first motor 321 drives the gear assembly 322 to rotate, and then the gear assembly 322 drives the first blocking structure 21 and the second blocking structure 22 to rotate in opposite directions. The transmission is simple and reliable.

[0064] Specifically, the gear assembly 322 includes a first large gear 3221, a second large gear 3222, a pinion 3223 and an inner gear ring 3224. The first large gear 3221 is fixedly connected to the first blocking structure 21, the second large gear 3222 is fixedly connected to the first large gear 3221, and the inner gear ring 3224 is fixedly connected to the second blocking structure 22; wherein the inner gear ring 3224 and the second large gear 3222 are both meshed with the pinion 3223, and the rotation center lines of the first large gear 3221, the second large gear 3222 and the inner gear ring 3224 are all preset axes. In this way, the relative reverse rotation of the first blocking structure 21 and the second blocking structure 22 is achieved through the gear assembly 322, and the transmission is simple and reliable.

[0065] Specifically, the first large gear 3221 and the first blocking structure 21 are an integrated structure, and the inner gear ring 3224 and the second blocking structure 22 are an integrated structure.

[0066] Further, the first motor 321 is arranged on the driving box 31, the gear assembly 322 further includes a main gear 3225, the first motor 321 is connected to the first large gear 3221 by driving through the main gear 3225; the first large gear 3221 has a limiting groove 3226, the gear assembly 322 further includes a limiting block 3227 arranged on the second large gear 3222, and the limiting block 3227 penetrates into the limiting groove 3226; or the second large gear 3222 has a limiting groove 3226, the gear assembly 322 further includes a limiting block 3227 arranged on the first large gear 3221, and the limiting block 3227 penetrates into the limiting groove 3226. By providing the limiting groove 3226 and the limiting block 3227, the connection between the first large gear 3221 and the second large gear 3222 is ensured, and the reliability of the transmission in the gear assembly 322 is ensured.

[0067] In this embodiment, if Figure 5 As shown, when the first motor 321 is working, the output shaft of the first motor 321 rotates counterclockwise, driving the main gear 3225 to rotate counterclockwise, and then driving the first large gear 3221 drivingly connected to the main gear 3225 to rotate clockwise, thereby driving the first blocking structure 21 to rotate clockwise, and then the second large gear 3222 and the first large gear 3221 are connected due to the limiting groove 3226 and the limiting block 3227, so that the second large gear 3222 also rotates clockwise with the first large gear 3221, and the pinion 3223 and the second large gear 3222 are meshed, so that the pinion 3223 rotates counterclockwise, and the pinion 3223 is meshed with the inner ring 3224 at the same time, so that the inner ring 3224 rotates counterclockwise, and then the second blocking structure 22 fixedly connected to the inner ring 3224 rotates counterclockwise, thereby realizing the relative opposite rotation of the first blocking structure 21 and the second blocking structure 22.

[0068] like Figure 7 As shown, the small gear 3223 and the second large gear 3222 are both located between the first blocking structure 21 and the second blocking structure 22, there are multiple small gears 3223, a central rotating shaft 311 and multiple offset rotating shafts 312 are fixedly arranged in the driving box 31, and the second blocking structure 22 has multiple arc grooves 221; wherein, the central rotating shaft 311 and the second large gear 3222 are connected, the multiple offset rotating shafts 312 pass through the multiple arc grooves 221 one by one, and the multiple offset rotating shafts 312 and the multiple small gears 3223 are connected one by one.

[0069] In this way, by setting the central rotating shaft 311 and the offset rotating shaft 312, the relative position between the second large gear 3222 and the small gear 3223 can be ensured, and the reliability of the meshing between the two can be ensured. There are multiple small gears 3223, and both ends of the multiple small gears 3223 are respectively meshed with the second large gear 3222 and the inner gear ring 3224, which improves the transmission efficiency and the service life of the small gears 3223. By setting the arc groove 221, the range in which the second blocking structure 22 can rotate with the inner gear ring 3224 is limited, and excessive rotation is prevented to cause interference between the second blocking structure 22 and the housing 10.

[0070] like Figure 8 As shown, the drive box 31 includes a box body 313 and a box cover 314 that are connected to each other, the first blocking structure 21 and the second blocking structure 22 are located between the box body 313 and the box cover 314, and the box body 313 and / or the box cover 314 have a circumferential limiting structure, which circumferentially limits the first blocking structure 21 and the second blocking structure 22.

[0071] In this way, the first blocking structure 21 and the second blocking structure 22 are circumferentially limited by the circumferential limiting structure to prevent the first blocking structure 21 and the second blocking structure 22 from rotating too much during the rotation process and interfering with the shell 10, thereby ensuring the reliability of the rotation of the blocking part 20.

[0072] like Figure 6 As shown, the box body 313 includes a first main body 3131, two first limiting plates 3132 and at least two second limiting plates 3133, the two first limiting plates 3132 are arranged on the first main body 3131 at intervals, and at least one first limiting plate 3132 is arranged on two second limiting plates 3133 at intervals, wherein the two first limiting plates 3132 respectively cooperate with the second blocking structure 22 in two directions, and the two second limiting plates 3133 respectively cooperate with the first blocking structure 21 in two directions. In this way, the second blocking structure 22 is circumferentially limited by the first limiting plates 3132, and the first blocking structure 21 is circumferentially limited by the second limiting plates 3133, the structure is simple, and the reliability of the rotation of the blocking part 20 is improved.

[0073] Specifically, the first blocking structure 21 includes a first turntable 211, a first transition piece 212 and at least one first blade 213 connected in sequence, the first turntable 211 is rotatably arranged in a cavity between the box body 313 and the box cover 314, the first transition piece 212 cooperates with two second limit plates 3133 to stop, the first blade 213 is located outside the drive box 31, and one first blade 213 is used to block a corresponding sub-outlet; the second blocking structure 22 includes a second turntable 222, a second transition piece 223 and at least one second blade 224 connected in sequence, the second turntable 222 is rotatably arranged in a cavity between the box body 313 and the box cover 314, the second transition piece 223 cooperates with two first limit plates 3132 to stop, the second blade 224 is located outside the drive box 31, and one second blade 224 is used to block a corresponding sub-outlet.

[0074] Specifically, at least one first limiting plate 3132 has a first limiting groove, which is limited and matched with the second transition piece 223 , and at least one second limiting plate 3133 has a second limiting groove, which is limited and matched with the first transition piece 212 .

[0075] Furthermore, the drive box 31 includes a box body 313, a box cover 314, a buckle 315 and a slot 316. The blocking portion 20 is located between the box body 313 and the box cover 314. The buckle 315 is arranged on one of the box body 313 and the box cover 314. The slot 316 is arranged on the other of the box body 313 and the box cover 314. The buckle 315 is engaged with the slot 316. This arrangement allows the box body 313 and the box cover 314 to be connected together, preventing the box body 313 and the box cover 314 from rotating relative to each other or falling off, thereby ensuring the reliability of the drive box 31.

[0076] like Fig. 9 As shown, the drive box 31 has an internal thread, and the second drive mechanism 33 includes a screw 331 and a second motor 332. The screw 331 cooperates with the internal thread, and the second motor 332 and the screw 331 are drivingly connected. When the screw 331 rotates, it drives the drive box 31 to move axially along a preset axis.

[0077] In this embodiment, the axial movement of the blocking portion 20 is achieved through the second driving mechanism 33. Specifically, when the second motor 332 rotates, the screw 331 will rotate in the same direction as the second motor 332. Through the threaded connection between the screw 331 and the internal thread in the driving box 31, the driving box 31 can move along the preset axial direction, thereby driving the blocking portion 20 to move along the preset axial direction.

[0078] Optionally, the screw rod 331 is connected to the box cover 314, and the first motor 321 is installed on the box cover 314. Further, the box cover 314 includes a second body and a rotating sleeve arranged on the second body, the rotating sleeve has an internal thread, and a side wall of the second body has an avoidance groove for avoiding the first transition piece 212 and the second transition piece 223.

[0079] like Figure 5 As shown, the driving unit 30 also includes: a bracket 34, the bracket 34 and the shell 10 are fixedly connected, and the second motor 332 is arranged on the bracket 34; guide rails and guide grooves that cooperate with each other, and the guide rails extend along a preset axis; wherein the guide rails are arranged on the driving box 31, and the guide grooves are arranged on the bracket 34 or the shell 10; or, the guide rails are arranged on the shell 10 or the bracket 34, and the guide grooves are arranged on the driving box 31.

[0080] In this embodiment, the bracket 34 is fixedly connected to the housing 10 to prevent the screw 331 and the drive box 31 from moving relative to each other when the second motor 332 rotates, and to ensure that the screw 331 does not move axially when the second motor 332 rotates. By providing a guide rail and a guide groove, the drive box 31 can move along a preset axis direction, and the drive box 31 is prevented from moving or rotating during the movement, thereby ensuring the reliability of the fresh air device. Specifically, the box body 313, the central shaft 311, the offset shaft 312, the guide rail and the buckle 315 are an integrated structure.

[0081] Specifically, the first blocking structure 21 includes a first rotating disk 211, a first transition piece 212 and at least one first blade 213 connected in sequence, the first rotating disk 211 is rotatably arranged in the driving box 31, and the first blade 213 is located outside the driving box 31; the second blocking structure 22 includes a second rotating disk 222, a second transition piece 223 and at least one second blade 224 connected in sequence, the second rotating disk 222 is rotatably arranged in the driving box 31, and the second blade 224 is located outside the driving box 31; wherein, when the blocking portion 20 is in the closed position, the first blade 213 and the second blade 224 both protrude from the side of the driving box 31 facing the fresh air outlet 12, and the first blade 213 and the second blade 224 block a plurality of sub-outlets accordingly. In this way, the first blocking structure 21 and the second blocking structure 22 are arranged in the driving box 31, so that the first blocking structure 21 and the second blocking structure 22 can move with the movement of the driving box 31. The first blade 213 and the second blade 224 are both arranged outside the driving box 31 to ensure that the first blade 213 and the second blade 224 can rotate with the rotation of the first rotating disk 211 and the second rotating disk 222 respectively, thereby realizing the rotation of the first blocking structure 21 and the second blocking structure 22.

[0082] like Fig.10As shown, there are multiple first blades 213, and the multiple first blades 213 include a first large blade 2131 and a first small blade 2132; there are multiple second blades 224, and the multiple second blades 224 include a second large blade 2241 and a second small blade 2242; the multiple sub-outlets include a first large sub-outlet 121, a first small sub-outlet 122, a second large sub-outlet 123 and a second small sub-outlet 124, the first large sub-outlet 121 corresponds to the first large blade 2131, the first small sub-outlet 122 corresponds to the first small blade 2132 Correspondingly, the second large sub-outlet 123 corresponds to the second large blade 2241, and the second small sub-outlet 124 corresponds to the second small blade 2242; wherein, when the blocking portion 20 is in the open position, the first large blade 2131 and the second large blade 2241 are both located between the first large sub-outlet 121 and the second large sub-outlet 123, the first small blade 2132 is located between the first large sub-outlet 121 and the first small sub-outlet 122, and the second small blade 2242 is located between the second large sub-outlet 123 and the second small sub-outlet 124.

[0083] Specifically, the first large blade 2131 is the longer part of the first blocking structure 21, and the second large blade 2241 is the longer part of the second blocking structure 22. The multiple sub-outlets are distributed in a rectangular area, and the above arrangement can make full use of the area of ​​the rectangular area, so that the multiple sub-outlets have a larger air outlet area in total, and the multiple first blades 213 and the second blades 224 can be used to block the multiple sub-outlets without interference during the movement.

[0084] Specifically, there are two first large blades 2131, two first small blades 2132, two second large blades 2241, and two second small blades 2242. The two first large blades 2131, the two first small blades 2132, the two second large blades 2241, and the two second small blades 2242 are all symmetrical relative to the preset axis. There are two first large sub-outlets 121, two first small sub-outlets 122, two second large sub-outlets 123, and two second small sub-outlets 124. The two first large sub-outlets 121, the two first small sub-outlets 122, the two second large sub-outlets 123, and the two second small sub-outlets 124 are all symmetrical relative to the preset axis. In this way, without affecting the blocking and avoidance functions of the blocking part 20, the air outlet area of ​​the fresh air outlet 12 is increased as much as possible, the ventilation efficiency of the fresh air device is improved, the air outlet speed of the fresh air outlet 12 is reduced, the noise of wind flow is reduced, and the user's comfort is improved.

[0085] like Fig.11 and Fig.12 As shown, another embodiment of the present invention provides an air conditioner, which includes an indoor unit and a fresh air device 70, and the fresh air device 70 is the fresh air device 70 mentioned above.

[0086] like Fig.11 As shown, the indoor unit includes a shell structure 41 and a heat exchanger disposed in the cavity of the shell structure 41, and the front of the shell structure 41 has a heat exchange outlet 42; the shell 10 of the fresh air device 70 is connected to one end of the side of the shell structure 41, and the fresh air device 70 also includes a ventilation component 50, which is used to introduce outdoor wind into the room, and the fresh air outlet 12 of the shell 10 faces the side of the shell structure 41. By providing the ventilation component 50 and the fresh air device 70, the indoor air is ventilated when the air conditioner is cooling or heating, ensuring the freshness of the indoor air and improving the comfort of the user.

[0087] like Fig.12 As shown, the fresh air device 70 further includes a filter unit 60, which is disposed in the cavity of the housing 10, the inlet of the filter unit 60 is connected to the outlet of the ventilation component 50, and the outlet of the filter unit 60 faces the fresh air outlet 12. In this embodiment, the filter unit 60 is provided to filter the gas to be exchanged, thereby preventing outdoor dust particles from entering the room with the fresh air and affecting the freshness of the indoor air.

[0088] Specifically, the filter unit 60 includes: a fresh air shell 61, the fresh air shell 61 has a fresh air cavity 62 and a first opening 63 connected to the fresh air cavity 62, the opening of the fresh air cavity 62 faces the fresh air outlet 12, and the first opening 63 is connected to the outlet of the ventilation component 50; a mounting frame 64 connected to the side of the fresh air shell 61 facing the fresh air outlet 12; and a filter 65 arranged in the mounting frame 64. With this arrangement, the filter unit 60 has a compact structure and occupies a small area. The fresh air cavity 62 is used to store the fresh air sucked from the outside through the ventilation component 50, and the fresh air in the fresh air cavity 62 will contact the filter 65 in the mounting frame 64, so as to achieve the purpose of filtering while taking in air.

[0089] Further, the fresh air housing 61 includes a mounting plate 611 and a surrounding plate 612 disposed around the periphery of the mounting plate 611, the first opening 63 is located on the mounting plate 611, the area between the surrounding plate 612 and the mounting plate 611 forms a fresh air cavity 62, and the mounting frame 64 is connected to the surrounding plate 612. Specifically, the shape of the outer side wall formed around the surrounding plate 612 is the same as the outer edge profile of the side wall of the air conditioner, and the shape and size of the mounting plate 611 are the same as the side of the air conditioner, thereby improving the aesthetics of the air conditioner.

[0090] like Fig.12 As shown, the mounting frame 64 includes: a frame structure 641, the frame structure 641 has an air inlet side and an air outlet side, both the air inlet side and the air outlet side have multiple openings, the multiple openings on the air inlet side are connected to the openings of the fresh air cavity 62, the multiple openings on the air outlet side are connected to the fresh air outlet 12, there is an installation cavity 642 between the air inlet side and the air outlet side, and the filter net 65 is arranged in the installation cavity 642.

[0091] Specifically, the mounting frame 64 further includes a first connecting plate 643 and a second connecting plate 644 . The first connecting plate 643 and the second connecting plate 644 are respectively arranged at two ends of the frame structure 641 , and the first connecting plate 643 and the second connecting plate 644 are respectively detachably connected to the fresh air casing 61 .

[0092] In this embodiment, the first connecting plate 643 is arranged at the upper end of the frame structure 641, and the second connecting plate 644 is arranged at the lower end of the frame structure 641. Specifically, the two ends of the fresh air shell have a first connecting hole and a second connecting hole, respectively, and the side wall of the air conditioner has a first connecting column and a second connecting column. The first connecting plate 643, the first connecting hole and the first connecting column are arranged one by one, and the second connecting plate 644, the second connecting hole and the second connecting column are arranged one by one.

[0093] Specifically, the frame structure 641 has an operation port located between the air inlet side and the air outlet side. The operation port is connected to the installation cavity 642 , and the filter 65 is inserted into or pulled out of the installation cavity 642 through the operation port.

[0094] Further, the ventilation component 50 is disposed in the cavity of the housing structure 41, the housing 10 and the filter 60 are disposed outside the housing structure 41, the housing structure 41 has a second opening 43, and the outlet of the ventilation component 50 is connected to the fresh air outlet 12 through the second opening 43. Specifically, the ventilation component 50 includes a centrifugal fan and a filter structure connected to each other, the filter structure has a fresh air inlet, and the centrifugal fan has a fresh air outlet.

[0095] Furthermore, the shell structure 41 includes a panel body 44 and a bottom shell connected to each other, the ventilation component 50 is connected to the bottom shell, and the second opening 43 is located on the side wall of the panel body 44; the air outlet direction of the fresh air outlet 12 is horizontal, and the air outlet direction of the fresh air outlet 12 is perpendicular to the air outlet direction of the heat exchange outlet 42.

[0096] In this embodiment, the fresh air device 70 is arranged on the left side of the air conditioner, so that the fresh air device 70 and the air conditioner body are integrated into a whole, and when the fresh air device is not in use, the user cannot see the obvious fresh air outlet 12 from the appearance, which improves the user's comfort. In addition, combined with the above arrangement, the filtering area of ​​the filter 65 is increased, and the filtering efficiency of the filter 65 is improved.

[0097] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A fresh air device, characterized in that: The fresh air device comprises: A housing (10), the housing (10) comprising a receiving cavity (11) and a fresh air outlet (12) which are interconnected; a blocking portion (20), the blocking portion (20) being rotatably and axially movable along a preset axis, the blocking portion (20) having a closed position and an open position, wherein when the blocking portion (20) is in the closed position, at least a portion of the structure of the blocking portion (20) is located in the fresh air outlet (12) to block the fresh air outlet (12), and when the blocking portion (20) is in the open position, the blocking portion (20) is located in the accommodating cavity (11) and corresponds to the physical structure of the housing (10); A driving part (30), the driving part (30) comprising a driving box (31), a first driving mechanism (32) and a second driving mechanism (33); the blocking part (20) is arranged on the driving box (31); the first driving mechanism (32) and the blocking part (20) are drivingly connected to each other so that the blocking part (20) rotates along the preset axis; the second driving mechanism (33) and the driving box (31) are drivingly connected to each other so that the driving box (31) drives the blocking part (20) to move axially along the preset axis; The fresh air outlet (12) comprises a plurality of sub-outlets, the blocking portion (20) comprises a first blocking structure (21) and a second blocking structure (22), the first blocking structure (21) and the second blocking structure (22) are respectively used to block different sub-outlets, the first blocking structure (21) and the second blocking structure (22) are both rotatable along the preset axis and in opposite directions, and the first driving mechanism (32) is drivingly connected to the first blocking structure (21) and the second blocking structure (22); The first driving mechanism (32) comprises a first motor (321) and a gear assembly (322); the gear assembly (322) is arranged in the cavity of the driving box (31); the first motor (321) and the gear assembly (322) are drivingly connected; the gear assembly (322) is drivingly connected to the first blocking structure (21) and the second blocking structure (22); the gear assembly (322) comprises a first large gear (3221), a second large gear (3222), a small gear (3223) and an inner gear ring (3224); The first large gear (3221) is fixedly connected to the first blocking structure (21), the second large gear (3222) is fixedly connected to the first large gear (3221), and the inner gear ring (3224) is fixedly connected to the second blocking structure (22); wherein the inner gear ring (3224) and the second large gear (3222) are both meshed with the small gear (3223), and the rotation center lines of the first large gear (3221), the second large gear (3222) and the inner gear ring (3224) are all the preset axes.

2. The fresh air device according to claim 1, characterized in that: The preset axis and the air outlet direction of the fresh air outlet (12) are arranged in the same direction, and when the blocking portion (20) is in the closed position, the edge of the fresh air outlet (12) and the edge of the blocking portion (20) on the outside of the shell (10) are flush.

3. The fresh air device according to claim 1, characterized in that: The first motor (321) is arranged on the driving box (31), and the gear assembly (322) further comprises a main gear (3225), and the first motor (321) is drivingly connected to the first large gear (3221) via the main gear (3225); The first large gear (3221) has a limiting groove (3226), and the gear assembly (322) further includes a limiting block (3227) arranged on the second large gear (3222), and the limiting block (3227) penetrates into the limiting groove (3226); or the second large gear (3222) has a limiting groove (3226), and the gear assembly (322) further includes a limiting block (3227) arranged on the first large gear (3221), and the limiting block (3227) penetrates into the limiting groove (3226).

4. The fresh air device according to claim 1, characterized in that: The small gear (3223) and the second large gear (3222) are both located between the first blocking structure (21) and the second blocking structure (22), there are a plurality of small gears (3223), a central rotating shaft (311) and a plurality of offset rotating shafts (312) are fixedly arranged in the driving box (31), and a plurality of arc-shaped grooves (221) are provided in the second blocking structure (22); wherein the central rotating shaft (311) and the second large gear (3222) are connected, a plurality of the offset rotating shafts (312) pass through the plurality of the arc-shaped grooves (221) in a one-to-one correspondence, and a plurality of the offset rotating shafts (312) and a plurality of the small gears (3223) are connected in a one-to-one correspondence.

5. The fresh air device according to claim 1, characterized in that: The driving box (31) comprises a box body (313) and a box cover (314) which are connected to each other, the first blocking structure (21) and the second blocking structure (22) are located between the box body (313) and the box cover (314), and the box body (313) and / or the box cover (314) have a circumferential limiting structure, and the circumferential limiting structure performs circumferential limiting on the first blocking structure (21) and the second blocking structure (22).

6. The fresh air device according to claim 5, characterized in that: The box body (313) comprises a first main body (3131), two first limiting plates (3132) and at least two second limiting plates (3133), wherein the two first limiting plates (3132) are arranged at intervals on the first main body (3131), and two second limiting plates (3133) are arranged at intervals on at least one of the first limiting plates (3132), wherein the two first limiting plates (3132) respectively cooperate with the second blocking structure (22) in two directions, and the two second limiting plates (3133) respectively cooperate with the first blocking structure (21) in two directions.

7. The fresh air device according to claim 6, characterized in that: The first blocking structure (21) comprises a first rotating disk (211), a first transition piece (212) and at least one first blade (213) which are connected in sequence, the first rotating disk (211) being rotatably arranged in a cavity between the box body (313) and the box cover (314), the first transition piece (212) being engaged with two second limit plates (3133) for stopping, the first blade (213) being located outside the driving box (31), and one first blade (213) being used for correspondingly blocking one of the sub-outlets; The second blocking structure (22) includes a second turntable (222), a second transition piece (223) and at least one second blade (224) which are connected in sequence, the second turntable (222) is rotatably arranged in a cavity between the box body (313) and the box cover (314), the second transition piece (223) cooperates with the two first limit plates (3132) to stop, the second blade (224) is located outside the drive box (31), and one second blade (224) is used to block one of the sub-outlets.

8. The fresh air device according to claim 1, characterized in that: The driving box (31) comprises a box body (313), a box cover (314), a buckle (315) and a slot (316); the blocking portion (20) is located between the box body (313) and the box cover (314); the buckle (315) is arranged on one of the box body (313) and the box cover (314); the slot (316) is arranged on the other of the box body (313) and the box cover (314); and the buckle (315) and the slot (316) are snap-connected.

9. The fresh air device according to claim 1, characterized in that: The drive box (31) has an internal thread, and the second drive mechanism (33) includes a screw rod (331) and a second motor (332). The screw rod (331) and the internal thread cooperate with each other, and the second motor (332) and the screw rod (331) are drivingly connected. When the screw rod (331) rotates, it drives the drive box (31) to move axially along the preset axis.

10. The fresh air device according to claim 9, characterized in that: The driving unit (30) further includes: a bracket (34), the bracket (34) and the housing (10) being fixedly connected, and the second motor (332) being arranged on the bracket (34); A guide rail and a guide groove cooperate with each other, wherein the guide rail extends along the preset axis; wherein the guide rail is arranged on the drive box (31), and the guide groove is arranged on the bracket (34) or the housing (10); or, the guide rail is arranged on the housing (10) or the bracket (34), and the guide groove is arranged on the drive box (31).

11. The fresh air device according to claim 1, characterized in that: The first blocking structure (21) comprises a first rotating disk (211), a first transition piece (212) and at least one first blade (213) which are connected in sequence, the first rotating disk (211) being rotatably disposed in the driving box (31), and the first blade (213) being located outside the driving box (31); The second blocking structure (22) comprises a second rotating disk (222), a second transition piece (223) and at least one second blade (224) which are connected in sequence, the second rotating disk (222) being rotatably disposed in the driving box (31), and the second blade (224) being located outside the driving box (31); Wherein, when the blocking portion (20) is in the closed position, the first blade (213) and the second blade (224) both protrude from the side of the drive box (31) facing the fresh air outlet (12), and the first blade (213) and the second blade (224) correspondingly block the plurality of sub-outlets.

12. The fresh air device according to claim 11, characterized in that: There are a plurality of the first blades (213), and the plurality of the first blades (213) include a first large blade (2131) and a first small blade (2132); there are a plurality of the second blades (224), and the plurality of the second blades (224) include a second large blade (2241) and a second small blade (2242); The plurality of sub-outlets include a first large sub-outlet (121), a first small sub-outlet (122), a second large sub-outlet (123) and a second small sub-outlet (124); the first large sub-outlet (121) corresponds to the first large blade (2131), the first small sub-outlet (122) corresponds to the first small blade (2132), the second large sub-outlet (123) corresponds to the second large blade (2241), and the second small sub-outlet (124) corresponds to the second small blade (2242); Wherein, when the blocking portion (20) is in the open position, the first large blade (2131) and the second large blade (2241) are both located between the first large sub-outlet (121) and the second large sub-outlet (123), the first small blade (2132) is located between the first large sub-outlet (121) and the first small sub-outlet (122), and the second small blade (2242) is located between the second large sub-outlet (123) and the second small sub-outlet (124).

13. The fresh air device according to claim 12, characterized in that: There are two first large blades (2131), two first small blades (2132), two second large blades (2241), and two second small blades (2242), and the two first large blades (2131), the two first small blades (2132), the two second large blades (2241), and the two second small blades (2242) are all symmetrical relative to the center of the preset axis; There are two first large sub-outlets (121), two first small sub-outlets (122), two second large sub-outlets (123), and two second small sub-outlets (124). The two first large sub-outlets (121), the two first small sub-outlets (122), the two second large sub-outlets (123), and the two second small sub-outlets (124) are all symmetrical relative to the center of the preset axis.

14. An air conditioner, characterized in that: The air conditioner comprises an indoor unit and a fresh air device, and the fresh air device is the fresh air device according to any one of claims 1 to 13.

15. The air conditioner according to claim 14, characterized in that: The indoor unit comprises a shell structure (41) and a heat exchanger arranged in a cavity of the shell structure (41); the front of the shell structure (41) is provided with a heat exchange air outlet (42); The housing (10) of the fresh air device is connected to one end of the side of the shell structure (41), and the fresh air device also includes a ventilation component (50), and the ventilation component (50) is used to introduce outdoor wind into the room, and the fresh air outlet (12) of the housing (10) faces the side of the shell structure (41).

16. The air conditioner according to claim 15, characterized in that: The fresh air device also includes a filter unit (60), which is arranged in the cavity of the shell (10), the inlet of the filter unit (60) is connected to the outlet of the ventilation component (50), and the outlet of the filter unit (60) faces the fresh air outlet (12).

17. The air conditioner according to claim 16, characterized in that: The filter unit (60) comprises: A fresh air shell (61), the fresh air shell (61) comprising a fresh air cavity (62) and a first opening (63) communicating with the fresh air cavity (62), the opening of the fresh air cavity (62) facing the fresh air outlet (12), and the first opening (63) communicating with an outlet of the ventilation component (50); A mounting frame (64) connected to a side of the fresh air housing (61) facing the fresh air outlet (12); The filter screen (65) is arranged in the mounting frame (64).

18. The air conditioner according to claim 17, characterized in that: The fresh air shell (61) includes a mounting plate (611) and a surrounding plate (612) arranged around the periphery of the mounting plate (611); the first opening (63) is located on the mounting plate (611); the area between the surrounding plate (612) and the mounting plate (611) forms the fresh air cavity (62); and the mounting frame (64) is connected to the surrounding plate (612).

19. The air conditioner according to claim 17, characterized in that: The mounting frame (64) comprises: A frame structure (641), wherein the frame structure (641) has an air inlet side and an air outlet side, wherein the air inlet side and the air outlet side both have a plurality of openings, wherein the plurality of openings on the air inlet side are connected to the openings of the fresh air cavity (62), and the plurality of openings on the air outlet side are connected to the fresh air outlet (12), and an installation cavity (642) is provided between the air inlet side and the air outlet side, wherein the filter net (65) is arranged in the installation cavity (642).

20. The air conditioner according to claim 19, characterized in that: The mounting frame (64) further comprises a first connecting plate (643) and a second connecting plate (644), wherein the first connecting plate (643) and the second connecting plate (644) are respectively arranged at two ends of the frame structure (641), and the first connecting plate (643) and the second connecting plate (644) are respectively detachably connected to the fresh air shell (61).

21. The air conditioner according to claim 16, characterized in that: The ventilation component (50) is arranged in the cavity of the shell structure (41), the outer shell (10) and the filter part (60) are arranged outside the shell structure (41), the shell structure (41) has a second opening (43), and the outlet of the ventilation component (50) is connected to the fresh air outlet (12) through the second opening (43).

22. The air conditioner according to claim 21, characterized in that: The housing structure (41) comprises a panel body (44) and a bottom shell which are connected to each other, the ventilation component (50) is connected to the bottom shell, and the second opening (43) is located on a side wall of the panel body (44); The air outlet direction of the fresh air outlet (12) is horizontal, and the air outlet direction of the fresh air outlet (12) is perpendicular to the air outlet direction of the heat exchange outlet (42).

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