Fresh air module and air conditioning device

Abstract

The present disclosure relates to a fresh air module and an air conditioning device, the fresh air module comprising a shell, an air duct, a fan and a first air door, the shell being provided with an exhaust inlet and a fresh air outlet, the exhaust inlet and the fresh air outlet being located on the same side of the shell; the air duct is connected with the shell, the fan is arranged in the shell, and the fan has a fan inlet and a fan outlet; the first air door is movably arranged in the shell to be switchable between an exhaust mode and a fresh air mode, the first air door is used to open one of the exhaust inlet and the fresh air outlet and close the other one of the exhaust inlet and the fresh air outlet; in the exhaust mode, the fan outlet is communicated with the air duct, and the first air door opens the exhaust inlet to make the fan inlet communicated with the exhaust inlet; in the fresh air mode, the fan inlet is communicated with the air duct, and the first air door opens the fresh air outlet to make the fan outlet communicated with the fresh air outlet. The fresh air module of the present disclosure effectively simplifies the switching structure of the fresh air module and reduces the cost of the fresh air module.

Description

Technical Field

[0001] This disclosure relates to the field of air conditioning equipment technology, specifically to a fresh air module and an air conditioning device. Background Technology

[0002] As users have increasingly higher requirements for their living environment, their focus has shifted from regulating temperature and humidity to pursuing higher air quality. This has led to the development of air purifiers and air conditioning equipment with fresh air functions. Currently, most air conditioning equipment only provides fresh air intake, while some offer rapid exhaust. However, the switching mechanism between fresh air and exhaust functions is complex and costly. Utility Model Content

[0003] This disclosure proposes a fresh air module to simplify its structure and reduce its cost.

[0004] The disclosed fresh air module includes a housing, a duct, a fan, and a first damper. The housing has an exhaust inlet and a fresh air outlet, which are located on the same side of the housing. The duct is connected to the housing, and the fan is located inside the housing, having a fan inlet and a fan outlet. The first damper is movably disposed in the housing to switch between an exhaust mode and a fresh air mode. The first damper is used to open one of the exhaust inlet and the fresh air outlet and close the other. In the exhaust mode, the fan outlet is connected to the duct, and the first damper opens the exhaust inlet to connect the fan inlet to the exhaust inlet. In the fresh air mode, the fan inlet is connected to the duct, and the first damper opens the fresh air outlet to connect the fan outlet to the fresh air outlet.

[0005] Optionally, the housing is provided with an exhaust duct for communicating with the air pipe. The first damper is switchable between a first position and a second position to allow the fan outlet to communicate with and be cut off from the exhaust duct. In the exhaust mode, the first damper is in the first position and the fan outlet is connected to the exhaust duct. In the fresh air mode, the first damper is in the second position and the fan outlet is cut off from the exhaust duct.

[0006] Optionally, the exhaust duct has a first exhaust port and a second exhaust port. The first exhaust port is used to communicate with the duct, and the first damper is used to open and close the second exhaust port to connect and disconnect the fan outlet from the exhaust duct. In the first position, the first damper opens the second exhaust port to connect the fan outlet with the exhaust duct. In the second position, the first damper closes the second exhaust port to disconnect the fan outlet from the exhaust duct.

[0007] Optionally, the first damper includes a first sealing part and a second sealing part. The first sealing part is used to open one of the exhaust inlet and the fresh air outlet and close the other of the exhaust inlet and the fresh air outlet. The second sealing part is used to open and close the second exhaust port.

[0008] Optionally, the fan outlet is provided corresponding to the fresh air outlet, and the exhaust duct and the exhaust inlet are located on the same side of the fresh air outlet.

[0009] Optionally, the fresh air outlet has a first edge away from the exhaust air inlet and a second edge close to the exhaust air inlet, and the fan outlet has a third edge away from the exhaust air inlet and a fourth edge close to the exhaust air inlet; the housing is provided with a duct plate, the two ends of the duct plate extending to the first edge and the third edge respectively, and there is a gap between the second edge and the fourth edge to allow the first damper to move.

[0010] Optionally, the first damper further includes a connecting portion, which is connected to the first sealing portion and the second sealing portion; in the second position, both ends of the connecting portion extend to the second opening edge and the fourth opening edge, respectively, to connect the fan outlet and the fresh air outlet.

[0011] Optionally, in the first position, the connecting portion is attached to the air duct plate.

[0012] Optionally, the exhaust duct includes a first side away from the exhaust inlet and a second side close to the exhaust inlet. The first side is connected to the fourth inlet edge, and the second side is spaced from the duct plate to allow the first damper to move. In the first position, both ends of the second blocking part extend to the second side and the duct plate respectively to connect the fan outlet and the exhaust duct.

[0013] Optionally, the first sealing part, the second sealing part, and the connecting part are all plate-shaped.

[0014] Optionally, the housing is provided with a first stop and a second stop; in the first position, the first damper abuts against the first stop, and in the second position, the first damper abuts against the second stop.

[0015] Optionally, the fresh air module includes a drive mechanism for driving the first air damper to move.

[0016] Optionally, the drive mechanism includes a gear and a rack, the rack meshing with the gear, the rack being connected to the first damper, and the gear being used to drive the rack to move.

[0017] Optionally, the fresh air module further includes a second damper, which is movably connected to the duct between a third position and a fourth position; in the exhaust mode, the second damper is located in the third position to connect the fan outlet to the duct; in the fresh air mode, the second damper is located in the fourth position to connect the duct to the fan inlet.

[0018] Optionally, the housing is provided with a second air outlet and a third air outlet, and the air duct includes a first pipe opening, a second pipe opening, and a third pipe opening, wherein the second pipe opening is connected to the second air outlet, and the third pipe opening is connected to the third air outlet; in the third position, the first pipe opening is connected to the second pipe opening, and the connection between the first pipe opening and the third pipe opening is terminated; in the fourth position, the first pipe opening is connected to the third pipe opening, and the connection between the first pipe opening and the second pipe opening is terminated.

[0019] Optionally, the second air vent and the third air vent are located on the same side of the housing.

[0020] Optionally, the duct is provided with a third stop and a fourth stop; in the third position, the second end of the second damper abuts against the third stop; in the fourth position, the second end of the second damper abuts against the fourth stop.

[0021] Optionally, the third stop portion is disposed between the first pipe opening and the second pipe opening, and the fourth stop portion is disposed between the first pipe opening and the third pipe opening.

[0022] Optionally, the second damper is rotatably connected to the duct.

[0023] Optionally, the fresh air module includes a filter device disposed between the duct and the fan, the filter device being used to filter the airflow flowing from the duct into the housing.

[0024] Optionally, the filter device is disposed within the housing, the housing including a bottom shell and a cover plate, the bottom shell forming a cavity with an opening, the cover plate being detachably connected to the bottom shell and sealing the opening of the bottom shell, the filter device being disposed within the cavity and detachably connected to the bottom shell, the opening of the bottom shell allowing the filter device to pass through.

[0025] Optionally, the bottom shell has an opening, which is sealed by a cover plate, allowing the filter device to pass through.

[0026] Optionally, the filtration device includes a support and a filter screen, the support being connected to the housing and the filter screen being detachably connected to the support.

[0027] Optionally, the air duct and the exhaust inlet are located on different sides of the housing, and the air duct and the fresh air outlet are located on different sides of the housing.

[0028] This disclosure also proposes an air conditioning device.

[0029] The air conditioning equipment disclosed herein includes the fresh air module described in any of the above claims.

[0030] In the fresh air module of this disclosure, when performing the exhaust function, the first damper moves to put the fresh air module into exhaust mode, connecting the fan outlet to the duct and the fan inlet to the exhaust inlet. Driven by the fan, indoor airflow enters the fan through the exhaust inlet and fan inlet, and is then exhausted to the outside through the fan outlet and duct. When performing the fresh air function, the first damper moves to put the fresh air module into fresh air mode, connecting the fan inlet to the duct and the fan outlet to the fresh air outlet. Driven by the fan, outdoor airflow enters the fan through the duct and fan inlet, and is then exhausted to the room through the fan outlet and fresh air outlet. This fresh air module, by setting a movable first damper within the housing to switch between exhaust and fresh air modes, effectively simplifies the switching structure of the fresh air module and reduces its cost. Attached Figure Description

[0031] Figure 1 This is a bottom view of a fresh air module in exhaust mode according to an embodiment of the present disclosure (the cover plate is hidden).

[0032] Figure 2 This is a perspective view of a fresh air module in fresh air mode according to an embodiment of the present disclosure.

[0033] Figure 3 This is a perspective view of a fresh air module in exhaust mode according to an embodiment of the present disclosure (the cover plate is hidden).

[0034] Figure 4This is a bottom view and cross-sectional view of a fresh air module in exhaust mode according to an embodiment of this disclosure.

[0035] Figure 5 This is a bottom view and cross-sectional view of a fresh air module in fresh air mode according to an embodiment of this disclosure.

[0036] Figure 6 This is a cross-sectional view of the front view of a fresh air module in fresh air mode according to an embodiment of this disclosure.

[0037] Figure 7 This is a bottom view of the fresh air module in fresh air mode according to another embodiment of this disclosure (the cover plate is hidden).

[0038] Figure 8 yes Figure 7 Enlarged view of point A in the middle.

[0039] Figure 9 This is a bottom view of a fresh air module in exhaust mode according to an embodiment of the present disclosure (the cover plate is hidden).

[0040] Figure 10 This is an exploded view of the filtration device of a fresh air module according to an embodiment of the present disclosure.

[0041] Figure 11 This is an exploded view from another perspective of the filtration device of a fresh air module according to an embodiment of the present disclosure.

[0042] Figure label:

[0043] 100. Fresh air module;

[0044] 1. Shell; 11. Bottom shell; 111. Exhaust inlet; 112. Fresh air outlet; 1121. First rim; 1122. Second rim; 113. Exhaust duct; 1131. First exhaust outlet; 1132. Second exhaust outlet; 1133. First side; 1134. Second side; 12. Cover plate; 13. Duct plate; 14. First stop; 15. Second stop; 17. Second air outlet; 18. Third air outlet;

[0045] 2. Air duct; 21. First duct inlet; 22. Second duct inlet; 23. Third duct inlet; 24. Third stop section; 25. Fourth stop section;

[0046] 3. Fan; 31. Fan casing; 311. Fan inlet; 312. Fan outlet; 3121. Third inlet edge; 3122. Fourth inlet edge; 313. Volute; 314. Pressure cap; 32. Impeller; 33. Impeller motor; 34. Air guide ring;

[0047] 4. First air damper; 41. First sealing section; 42. Second sealing section; 43. Connecting section;

[0048] 5. Second air damper;

[0049] 6. Filter device; 61. Support frame; 62. Filter screen;

[0050] 7. Drive mechanism; 71. Gear; 72. Rack; 73. Drive motor. Detailed Implementation

[0051] Embodiments of this disclosure are described in detail below, with examples of these embodiments illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this disclosure, and should not be construed as limiting it.

[0052] like Figures 1 to 6 As shown, the fresh air module 100 of this embodiment includes a housing 1, a duct 2, a fan 3, and a first damper 4. The duct 2 is connected to the housing 1, and the fan 3 is disposed inside the housing 1, having a fan inlet 311 and a fan outlet 312. The first damper 4 is movably disposed on the housing 1 to switch between exhaust mode and fresh air mode. The housing 1 has an exhaust inlet 111 and a fresh air outlet 112, which are located on the same side of the housing 1. The first damper 4 is used to open one of the exhaust inlet 111 and the fresh air outlet 112 and close the other. In exhaust mode, the fan outlet 312 is connected to the duct 2, and the first damper 4 opens the exhaust inlet 111 to connect the fan inlet 311 with the exhaust inlet 111. In fresh air mode, the fan inlet 311 is connected to the duct 2, and the first damper 4 opens the fresh air outlet 112 to connect the fan outlet 312 with the fresh air outlet 112.

[0053] For example, the first air damper 4 is movable in the left and right directions, thereby switching between exhaust mode and fresh air mode. When the first air damper 4 moves to the right, the fresh air module 100 can switch from fresh air mode to exhaust mode, and the first air damper 4 opens the exhaust inlet 111 and closes the fresh air outlet 112; when the first air damper 4 moves to the left, the fresh air module 100 can switch from exhaust mode to fresh air mode, and the first air damper closes the exhaust inlet 111 and opens the fresh air outlet 112.

[0054] In this embodiment of the fresh air module 100, when performing the exhaust function, the first damper 4 moves to put the fresh air module 100 into exhaust mode, such as... Figure 3 and Figure 4As shown, the fan outlet 312 is connected to the duct 2, and the fan inlet 311 is connected to the exhaust inlet 111. At this time, driven by the fan 3, indoor airflow enters the fan 3 through the exhaust inlet 111 and the fan inlet 311, and is then discharged to the outside through the fan outlet 312 and the duct 2. When the fresh air function is activated, the first damper 4 moves to put the fresh air module 100 into fresh air mode, as shown... Figure 5 and Figure 6 The fan inlet 311 is connected to the duct 2, and the fan outlet 312 is connected to the fresh air outlet 112. Driven by the fan 3, outdoor airflow enters the fan 3 through the duct 2 and fan inlet 311, and is then discharged into the room through fan outlet 312 and fresh air outlet 112. The fresh air module 100 of this embodiment achieves switching between exhaust and fresh air modes by providing a movable first damper 4 within the housing 1, effectively simplifying the switching structure of the fresh air module 100 and reducing its cost.

[0055] Optionally, such as Figures 2 to 4 As shown, the air duct 2 and the exhaust inlet 111 are located on different sides of the housing 1, and the air duct 2 and the fresh air outlet 112 are located on different sides of the housing 1.

[0056] For example, the air duct 2 is located on the left side of the shell 1, and the exhaust air inlet 111 and the fresh air outlet 112 are both located on the front side of the shell 1.

[0057] When the fresh air module 100 is in use, the duct 2 needs to be connected to the outside, and the exhaust inlet 111 and the fresh air outlet 112 need to be connected to the inside. By setting the duct 2 and the exhaust inlet 111 on different sides of the housing 1, and the duct 2 and the fresh air outlet 112 on different sides of the housing 1, it is convenient to set the orientation of the duct 2, the exhaust inlet 111 and the fresh air outlet 112 as needed, thereby facilitating the installation of the fresh air module 100.

[0058] In some embodiments, such as Figure 4 and Figure 6 As shown, the housing 1 is equipped with an exhaust duct 113, which is used to connect with the air duct 2. The first damper 4 can be switched between a first position and a second position to connect and disconnect the fan outlet 312 from the exhaust duct 113. In exhaust mode, the first damper 4 is in the first position, and the fan outlet 312 is connected to the exhaust duct 113; in fresh air mode, the first damper 4 is in the second position, and the fan outlet 312 is disconnected from the exhaust duct 113.

[0059] In the first position, the fan outlet 312 is connected to the exhaust duct 113, so that the fan outlet 312 is connected to the duct 2 through the exhaust duct 113. In the second position, the fan outlet 312 is disconnected from the exhaust duct 113, so that the fan outlet 312 is disconnected from the duct 2.

[0060] By providing an exhaust duct 113 inside the housing 1, and by connecting and disconnecting the fan outlet 312 with the exhaust duct 113, it is convenient to connect and disconnect the fan outlet 312 with the air duct 2, which helps to further simplify the switching structure of the fresh air module 100 and reduce the cost of the fresh air module 100.

[0061] Optionally, such as Figure 4 and Figure 6 As shown, the exhaust duct 113 has a first exhaust port 1131 and a second exhaust port 1132. The first exhaust port 1131 is used to connect with the duct 2, and the first damper 4 is used to open and close the second exhaust port 1132 to connect and disconnect the fan outlet 312 from the exhaust duct 113. In a first position, the first damper 4 opens the second exhaust port 1132 to connect the fan outlet 312 to the exhaust duct 113; in a second position, the first damper 4 closes the second exhaust port 1132 to disconnect the fan outlet 312 from the exhaust duct 113.

[0062] In the first position, the first damper 4 opens the second exhaust vent 1132, connecting the fan outlet 312 to the exhaust duct 113, thereby connecting the fan outlet 312 to the duct 2 via the exhaust duct 113. In the second position, the first damper 4 closes the second exhaust vent 1132, cutting off the connection between the fan outlet 312 and the exhaust duct 113, thereby cutting off the connection between the fan outlet 312 and the duct 2.

[0063] By designing the exhaust duct 113, the first damper 4, and the housing 1 as described above, the connection and disconnection between the fan outlet 312 and the duct 2 can be achieved by opening and closing the first damper 4 and the second exhaust port 1132. This helps to further simplify the switching structure of the fresh air module 100 and reduce the cost of the fresh air module 100.

[0064] Optionally, such as Figure 4 and Figure 6 As shown, the first damper 4 includes a first sealing part 41 and a second sealing part 42. The first sealing part 41 is used to open one of the exhaust inlet 111 and the fresh air outlet 112, and to close the other of the exhaust inlet 111 and the fresh air outlet 112. The second sealing part 42 is used to open and close the second exhaust vent 1132.

[0065] For example, such as Figure 4 As shown, in exhaust mode, the first sealing part 41 opens the exhaust inlet 111 and closes the fresh air outlet 112, while the second sealing part 42 opens the second exhaust outlet 1132. At this time, the indoor airflow enters the fan 3 through the exhaust inlet 111 and the fan inlet 311, then passes through the fan outlet 312 and the exhaust duct 113, and is finally discharged to the outside through the duct 2. Figure 6As shown, in the fresh air mode, the first sealing part 41 closes the exhaust inlet 111 and opens the fresh air outlet 112, and the second sealing part 42 closes the second exhaust outlet 1132. At this time, the outdoor airflow enters the fan 3 through the duct 2 and the fan inlet 311, and then is discharged to the outside through the fan outlet 312 and the fresh air outlet 112.

[0066] By setting the first damper 4 to the above structure, the connection and disconnection of one of the fan inlet 311 and the fan outlet 312 with the air duct 2 can be easily achieved through the first damper 4, which helps to further simplify the switching structure of the fresh air module 100 and reduce the cost of the fresh air module 100.

[0067] Optionally, such as Figure 4 and Figure 6 As shown, the fan outlet 312 is set to correspond to the fresh air outlet 112, and the exhaust duct 113 and the exhaust inlet 111 are located on the same side of the fresh air outlet 112.

[0068] For example, exhaust duct 113 and exhaust inlet 111 are located on the left side of fresh air outlet 112, and fan outlet 312 is located on the rear side of fresh air outlet 112.

[0069] In the exhaust mode, the airflow discharged from the fan outlet 312 flows to the left and is discharged to the outside through the duct 2 in a right-to-left direction; in the fresh air mode, the airflow discharged from the fan outlet 312 is discharged to the room in a back-to-forward direction through the fresh air outlet 112.

[0070] By setting the fan outlet 312 to correspond to the fresh air outlet 112, it is convenient to connect the fan outlet 312 and the fresh air outlet 112, and reduce the flow resistance of airflow between the fan outlet 312 and the fresh air outlet 112, which is beneficial to improving the performance of the fresh air module 100.

[0071] Optionally, such as Figure 4 and Figure 6 As shown, the fresh air outlet 112 has a first edge 1121 away from the exhaust inlet 111 and a second edge 1122 close to the exhaust inlet 111. The fan outlet 312 has a third edge 3121 away from the exhaust inlet 111 and a fourth edge 3122 close to the exhaust inlet 111. A duct plate 13 is provided inside the housing 1, with both ends of the duct plate 13 extending to the first edge 1121 and the third edge 3121 respectively. There is a gap between the second edge 1122 and the fourth edge 3122 to allow the first damper 4 to move.

[0072] For example, such as Figure 4 and Figure 6As shown, the fresh air outlet 112 is located to the right of the exhaust inlet 111, and the fan outlet 312 is located to the right of the exhaust inlet 111 and behind the fresh air outlet 112. The first inlet edge 1121 of the fresh air outlet 112 is located to the right of the second inlet edge 1122, and the third inlet edge 3121 of the fan outlet 312 is located to the right of the fourth inlet edge 3122. The duct plate 13 extends in the front-to-back direction, with its front end extending to the first inlet edge 1121 and its rear end extending to the third inlet edge 3121. There is a gap between the second inlet edge 1122 and the fourth inlet edge 3122 in the front-to-back direction, which allows the first damper 4 to move.

[0073] The aforementioned design of the interior of housing 1 facilitates the installation and movement of the first air damper 4. Furthermore, it helps to further simplify the switching structure of the fresh air module 100 and reduce its cost.

[0074] Optionally, such as Figure 4 and Figure 6 As shown, the first damper 4 also includes a connecting part 43, which is connected to the first sealing part 41 and the second sealing part 42. In the second position, the two ends of the connecting part 43 extend to the second opening edge 1122 and the fourth opening edge 3122, respectively, to connect the ventilation fan outlet 312 and the fresh air outlet 112.

[0075] For example, such as Figure 6 As shown, the connecting portion 43 extends in the front-rear direction. In the second position, the front end of the connecting portion 43 extends to the second edge 1122, and the rear end of the connecting portion 43 extends to the fourth edge 3122, so as to connect the second edge 1122 and the fourth edge 3122 through the connecting portion 43.

[0076] As a result, the airflow from the fan outlet 312 is restricted by the connection part 43 to flow out only from the fresh air outlet 112, which helps to increase the air volume of the fresh air module 100 in fresh air mode and improve the performance of the fresh air module 100.

[0077] Optionally, such as Figure 4 and Figure 6 As shown, in the first position, the connecting part 43 is attached to the air duct plate 13.

[0078] In the first position, by attaching the connecting part 43 to the air duct plate 13, the connecting part 43 can be prevented from obstructing the flow of airflow from the fan outlet 312, reducing the flow resistance of airflow inside the housing 1, and further improving the performance of the fresh air module 100.

[0079] Optionally, such as Figure 4 and Figure 6As shown, the exhaust duct 113 includes a first side 1133 away from the exhaust inlet 111 and a second side 1134 close to the exhaust inlet 111. The first side 1133 is connected to the fourth inlet edge 3122, and the second side 1134 is spaced from the duct plate 13 to allow the first damper 4 to move. In the first position, both ends of the second blocking part 42 extend to the second side 1134 and the duct plate 13, respectively, to connect the fan outlet 312 and the exhaust duct 113.

[0080] For example, such as Figure 4 and Figure 6 As shown, the exhaust duct 113 extends in the left-right direction, and the fan outlet 312 is located at the rear of the exhaust duct 113. The first side 1133 of the exhaust duct 113 is located at the rear of the second side 1134. The left end of the first side 1133 extends to the left side of the housing 1, and the right end of the first side 1133 is connected to the fourth opening edge 3122 of the fan outlet 312. In the first position, the left end of the second sealing part 42 contacts the second side 1134, and the right end of the second sealing part 42 contacts the duct plate 13, so that the first damper 4, the fan housing 31 of the fan 3, and the exhaust duct 113 together form a connecting ventilation duct that communicates with the duct 2, so that the airflow from the fan outlet 312 can only flow out from this connecting ventilation duct.

[0081] This helps to increase the air volume of the fresh air module 100 in exhaust mode and improve the performance of the fresh air module 100.

[0082] Optionally, the first sealing part 41, the second sealing part 42, and the connecting part 43 are all plate-shaped.

[0083] By making the first sealing part 41, the second sealing part 42 and the connecting part 43 all plate-shaped, the weight of the first damper 4 is reduced, making it easier to drive the first damper 4 to move.

[0084] Optionally, such as Figure 4 and Figure 6 As shown, the housing 1 is provided with a first stop portion 14 and a second stop portion 15. In the first position, the first damper 4 abuts against the first stop portion 14, and in the second position, the first damper 4 abuts against the second stop portion 15.

[0085] The first stop portion 14 can be a stop protrusion, and the second stop portion 15 can be a stop groove.

[0086] For example, in the first position, the first blocking part 41 abuts against the first stopping part 14, and in the second position, the connecting part 43 abuts against the second stopping part 15.

[0087] By providing a first stop part 14 and a second stop part 15 inside the housing 1, the first air damper 4 can be limited, thereby improving the reliability of the first air damper 4 and thus improving the reliability of the fresh air module 100.

[0088] Optionally, such as Figures 7 to 9 As shown, the fresh air module 100 includes a drive mechanism 7, which is used to drive the first damper 4 to move.

[0089] By setting up the drive mechanism 7, the movement of the first air door 4 can be facilitated, which helps to improve the user experience.

[0090] Optionally, such as Figures 7 to 9 As shown, the drive mechanism 7 includes a gear 71 and a rack 72. The rack 72 meshes with the gear 71 and is connected to the first damper 4. The gear 71 is used to drive the rack 72 to move.

[0091] For example, the drive mechanism 7 also includes a drive motor 73, which drives the gear 71 to rotate. When the drive motor 73 rotates clockwise, the rack 72 moves the first damper 4 to the right, causing the first damper 4 to open the exhaust inlet 111 and close the fresh air outlet 112; when the drive motor 73 rotates counterclockwise, the rack 72 moves the first damper 4 to the left, causing the first damper 4 to close the exhaust inlet 111 and open the fresh air outlet 112. The drive motor 73 can be a stepper motor.

[0092] The drive mechanism 7 is set as a gear and rack mechanism, which can improve the motion stability of the first air damper 4 and improve the reliability of the fresh air module 100.

[0093] Optionally, such as Figure 4 and Figure 6 As shown, the fresh air module 100 also includes a second damper 5, which is movably connected to the duct 2 between a third position and a fourth position. In exhaust mode, the second damper 5 is in the third position to connect the fan outlet 312 to the duct 2; in fresh air mode, the second damper 5 is in the fourth position to connect the duct 2 to the fan inlet 311.

[0094] In exhaust mode, the fan outlet 312 is connected to the duct 2, allowing the airflow entering the fan 3 to be discharged to the outside through the fan outlet 312 and the duct 2; in fresh air mode, the duct 2 is connected to the fan inlet 311, allowing the outdoor airflow to enter the housing 1 through the duct 2 and then enter the fan 3 through the fan inlet 311 connected to the duct 2.

[0095] By setting a second damper 5, the air duct 2 can be easily connected to one of the fan outlet 312 and the fan inlet 311, which helps to further simplify the structure of the fresh air module 100 and further reduce the cost of the fresh air module 100.

[0096] Optionally, such as Figure 4 and Figure 6 As shown, the housing 1 is provided with a second air vent 17 and a third air vent 18. The duct 2 includes a first port 21, a second port 22, and a third port 23. The second port 22 is connected to the second air vent 17, and the third port 23 is connected to the third air vent 18. In the third position, the first port 21 is connected to the second port 22, and the connection between the first port 21 and the third port 23 is closed. In the fourth position, the first port 21 is connected to the third port 23, and the connection between the first port 21 and the second port 22 is closed.

[0097] By setting the duct 2 to have a first port 21, a second port 22 and a third port 23, it is convenient to connect the duct 2 to one of the fan outlet 312 and the fan inlet 311, which helps to simplify the structure of the fresh air module 100 and further reduce the cost of the fresh air module 100.

[0098] Optionally, such as Figure 4 and Figure 6 As shown, the second air vent 17 and the third air vent 18 are located on the same side of the housing 1.

[0099] For example, such as Figure 4 and Figure 6 As shown, the second air vent 17 and the third air vent 18 are both located on the left side of the housing 1.

[0100] By placing the second air vent 17 and the third air vent 18 on the same side of the housing 1, the distance between the second air vent 17 and the third air vent 18 is small. When the length of the air duct 2 is short, it can be connected to the second air vent 17 and the third air vent 18, which helps to further reduce the cost of the fresh air module 100.

[0101] Optionally, such as Figure 4 and Figure 6 As shown, the duct 2 is provided with a third stop portion 24 and a fourth stop portion 25. In the third position, the second end of the second damper 5 abuts against the third stop portion 24; in the fourth position, the second end of the second damper 5 abuts against the fourth stop portion 25.

[0102] By setting a third stop 24 and a fourth stop 25 inside the air duct 2, the second air damper 5 can be limited, thereby improving the reliability of the second air damper 5 and thus improving the reliability of the fresh air module 100.

[0103] On the ground, the third stop part 24 and the fourth stop part 25 are protrusions provided inside the air duct 2.

[0104] Optionally, such as Figure 4 and Figure 6As shown, the third stop part 24 is provided between the first pipe opening 21 and the second pipe opening 22, and the fourth stop part 25 is provided between the first pipe opening 21 and the third pipe opening 23.

[0105] By placing the third stop 24 between the first pipe opening 21 and the second pipe opening 22, and placing the fourth stop 25 between the first pipe opening 21 and the third pipe opening 23, the distance between the third stop 24 and the fourth stop 25 is smaller, which helps to improve the switching efficiency of the second damper 5 between the third and fourth positions, thereby improving the switching efficiency of the fresh air module 100 between the exhaust mode and the fresh air mode, and further improving the user experience.

[0106] Optionally, the second damper 5 is rotatably connected to the duct 2.

[0107] For example, the second damper 5 is rotatably connected to the housing 1 via a rotating shaft.

[0108] The second air damper 5 is rotatably connected to the air duct 2. By rotating the second air damper 5, it can be switched between the third and fourth positions, which helps to further simplify the structure of the fresh air module 100 and further reduce the cost of the fresh air module 100.

[0109] Optionally, a second motor is provided inside the duct 2, and the second motor is connected to the second damper 5 to drive the second damper 5 to rotate.

[0110] By setting a second motor, the second damper 5 is driven to rotate, thereby switching the second damper 5 between the third and fourth positions.

[0111] Optionally, the rotation angle of the second damper 5 is less than 90°.

[0112] This results in a smaller rotation angle for the second damper 5, which helps improve the switching efficiency of the second damper 5, thereby improving the switching efficiency of the fresh air module 100 between exhaust mode and fresh air mode, and further enhancing the user experience.

[0113] Optionally, such as Figures 4 to 6 As shown, the fresh air module 100 includes a filter device 6, which is located between the duct 2 and the fan 3. The filter device 6 is used to filter the airflow flowing from the duct 2 into the housing 1.

[0114] By setting up a filter device 6, the airflow flowing from the duct 2 into the housing 1 can be filtered, thereby improving the quality of the airflow entering the housing 1, thus improving the quality of the airflow entering the room and enhancing the user experience of the fresh air module 100.

[0115] Optionally, such as Figures 1 to 6As shown, the filter device 6 is disposed within the housing 1. The housing 1 includes a bottom shell 11 and a cover plate 12. The bottom shell 11 forms a cavity with an opening, and the cover plate 12 is detachably connected to the bottom shell 11 and seals the opening of the bottom shell 11. The filter device 6 is disposed within the cavity and is detachably connected to the bottom shell 11. The opening of the bottom shell 11 allows the filter device 6 to pass through.

[0116] When the filter device 6 needs to be replaced or repaired, first remove the cover plate 12 from the bottom shell 11, then remove the filter device 6 from the bottom shell 11, and pull the filter device 6 downwards to pass it through the opening and remove it from the cavity so that the filter device 6 can be removed from the bottom shell 11. When installing the filter device 6, push the filter device 6 upwards so that it passes through the opening and enters the cavity, then connect the filter device 6 to the bottom shell 11, and then connect the cover plate 12 to the bottom shell 11.

[0117] By detachably connecting the cover plate 12 to the bottom shell 11, the filter device 6 is detachably connected to the bottom shell 11, which facilitates the replacement and maintenance of the filter device 6.

[0118] Optionally, the cover plate 12 is connected to the bottom shell 11 by screws or clips, and the filter device 6 is connected to the bottom shell 11 by screws or clips.

[0119] Optionally, such as Figure 10 and Figure 11 As shown, the filter device 6 includes a bracket 61 and a filter screen 62. The bracket 61 is connected to the housing 1, and the filter screen 62 is detachably connected to the bracket 61.

[0120] The filter screen 62 and the bracket 61 can be interference-fitted. The filter screen 62 can be installed into the bracket 61 by deformation and removed from the bracket 61.

[0121] By detachably connecting the filter screen 62 to the bracket 61, the filter screen 62 of the filter device 6 can be easily disassembled for cleaning or replacement.

[0122] Optionally, the bracket 61 has a mounting cavity and a mounting port, the mounting port communicating with the mounting cavity, the filter screen 62 being disposed within the mounting cavity, and the mounting port allowing the filter screen 62 to pass through. The number of mounting ports can be one or more.

[0123] When disassembling the filter screen 62, the filter screen 62 is deformed and passes through the mounting port, thereby removing the filter screen 62 from the mounting cavity; when installing the filter screen 62, the filter screen 62 is deformed and passes through the mounting port, thereby inserting the filter screen 62 into the mounting cavity.

[0124] Optionally, the bracket 61 is provided with a handle for taking out, placing, and removing the filter device 6.

[0125] Optionally, filter 62 is a HEPA filter.

[0126] like Figure 1 , Figures 3 to 6 As shown, the fan 3 includes a fan housing 31, an impeller 32, an impeller motor 33, and a guide ring 34. The fan inlet 311 and fan outlet 312 are both located within the fan housing 31. The impeller 32 and impeller motor 33 are both located inside the fan housing 31. The impeller motor 33 drives the impeller 32 to rotate. The guide ring 34 is located at the fan inlet 311. The fan housing 31 includes a volute 313 and a pressure cap 314, with the pressure cap 314 connected to the volute 313.

[0127] By setting a guide ring 34 at the fan inlet 311, the airflow inside the housing 1 can be guided so that the airflow inside the housing 1 enters the fan 3 through the fan inlet 311, thereby increasing the air volume of the fresh air module 100.

[0128] like Figure 3 and Figure 4 As shown, the first damper 4 moves to the first position, and the second damper 5 rotates to the third position. The fresh air module 100 is in exhaust mode. The first damper 4 closes the fresh air outlet 112 and opens the exhaust inlet 111. The second damper 5 connects the first pipe port 21 and the second pipe port 22. At this time, driven by the impeller 32, the indoor airflow enters the fan 3 through the exhaust inlet 111 and the fan inlet 311, and then flows out to the outside through the fan outlet 312, the exhaust duct 113, and the duct 2.

[0129] like Figure 5 and Figure 6 As shown, the first damper 4 moves to the second position, and the second damper 5 rotates to the fourth position. The fresh air module 100 is in fresh air mode. The first damper 4 opens the fresh air outlet 112 and closes the exhaust inlet 111. The second damper 5 connects the first pipe port 21 and the third pipe port 23. At this time, driven by the impeller 32, the outdoor airflow enters the fan 3 through the duct 2 and the fan inlet 311, and then flows out into the room through the fan outlet 312 and the fresh air outlet 112. The airflow passes through the filter device 6 when it enters the housing 1, and the filter device 6 filters the airflow to improve the quality of the airflow entering the room.

[0130] The fresh air module 100 of this embodiment is applicable to the fresh air module of a combined fresh air and duct air conditioning unit. It can switch between fresh air mode and exhaust mode through the joint operation of two dampers. Since only two dampers move during the switching process between fresh air mode and exhaust mode, the operation reliability is high. By designing the air duct and air pipe 2 inside the housing 1, the number of moving parts is greatly reduced. The addition of the exhaust mode expands the air handling function of the fresh air module 100.

[0131] The air conditioning device of this disclosure includes the fresh air module 100 described in any of the above embodiments.

[0132] When installing the fresh air module 100, the cover plate 12 can be installed facing downwards, that is, the cover plate 12 is located on the lower side of the bottom shell 11 during installation, which makes it convenient to disassemble the cover plate 12 so as to repair or replace the components inside the shell 1.

[0133] In the description of this disclosure, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this disclosure and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.

[0134] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this disclosure, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0135] In this disclosure, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between components; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this disclosure according to the specific circumstances.

[0136] In this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0137] In this disclosure, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this disclosure. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0138] Although embodiments of the present disclosure have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present disclosure. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present disclosure.

Claims

1. A fresh air module, characterized in that, include: The housing has an exhaust inlet and a fresh air outlet, which are located on the same side of the housing. The air duct is connected to the housing, and the fan is located inside the housing. The fan has a fan inlet and a fan outlet. A first damper is movably disposed in the housing to switch between exhaust mode and fresh air mode. The first damper is used to open one of the exhaust inlet and the fresh air outlet and close the other of the exhaust inlet and the fresh air outlet. In the exhaust mode, the fan outlet is connected to the duct, and the first damper opens the exhaust inlet to connect the fan inlet to the exhaust inlet; In the fresh air mode, the fan inlet is connected to the air duct, and the first damper opens the fresh air outlet to connect the fan outlet to the fresh air outlet.

2. The fresh air module according to claim 1, characterized in that, The housing is provided with an exhaust duct, which is used to communicate with the air pipe. The first damper can be switched between a first position and a second position to allow the fan outlet to communicate with and be cut off from the exhaust duct. In the exhaust mode, the first damper is located in the first position, and the fan outlet is connected to the exhaust duct. In the fresh air mode, the first air damper is located in the second position, and the fan outlet is disconnected from the exhaust duct.

3. The fresh air module according to claim 2, characterized in that, The exhaust duct has a first exhaust port and a second exhaust port. The first exhaust port is used to communicate with the duct. The first damper is used to open and close the second exhaust port so that the fan outlet is connected to and cut off from the exhaust duct. In the first position, the first damper opens the second exhaust port so that the fan outlet is connected to the exhaust duct. In the second position, the first damper closes the second exhaust port, thereby cutting off the connection between the fan outlet and the exhaust duct.

4. The fresh air module according to claim 3, characterized in that, The first damper includes a first sealing part and a second sealing part. The first sealing part is used to open one of the exhaust inlet and the fresh air outlet and close the other of the exhaust inlet and the fresh air outlet. The second sealing part is used to open and close the second exhaust outlet.

5. The fresh air module according to claim 4, characterized in that, The fan outlet is located corresponding to the fresh air outlet, and the exhaust duct and the exhaust inlet are located on the same side of the fresh air outlet.

6. The fresh air module according to claim 4, characterized in that, The fresh air outlet has a first edge away from the exhaust air inlet and a second edge close to the exhaust air inlet, and the fan outlet has a third edge away from the exhaust air inlet and a fourth edge close to the exhaust air inlet; The housing is provided with an air duct plate, the two ends of which extend to the first opening edge and the third opening edge respectively, and there is a gap between the second opening edge and the fourth opening edge to allow the first air damper to move.

7. The fresh air module according to claim 6, characterized in that, The first damper further includes a connecting part, which is connected to the first sealing part and the second sealing part; In the second position, the two ends of the connecting portion extend to the second edge and the fourth edge, respectively, to connect the fan outlet and the fresh air outlet.

8. The fresh air module according to claim 7, characterized in that, At the first position, the connecting part is attached to the air duct plate.

9. The fresh air module according to claim 6, characterized in that, The exhaust duct includes a first side away from the exhaust inlet and a second side close to the exhaust inlet. The first side is connected to the fourth opening edge, and the second side is spaced from the duct plate to allow the first damper to move. At the first position, both ends of the second sealing part extend to the second side and the air duct plate respectively, so as to connect the fan outlet and the exhaust air duct.

10. The fresh air module according to claim 7, characterized in that, The first sealing part, the second sealing part, and the connecting part are all plate-shaped.

11. The fresh air module according to claim 2, characterized in that, The housing is provided with a first stop and a second stop; At the first position, the first damper abuts against the first abutment portion. In the second position, the first damper abuts against the second abutment portion.

12. The fresh air module according to claim 1, characterized in that, The fresh air module includes a drive mechanism, which is used to drive the first air damper to move.

13. The fresh air module according to claim 12, characterized in that, The drive mechanism includes a gear and a rack, the rack meshes with the gear, the rack is connected to the first damper, and the gear is used to drive the rack to move.

14. The fresh air module according to claim 1, characterized in that, The fresh air module also includes a second air damper, which is movably connected to the air duct between a third position and a fourth position; In the exhaust mode, the second damper is located in the third position so that the fan outlet is connected to the duct. In the fresh air mode, the second air damper is located in the fourth position so that the air duct is connected to the fan inlet.

15. The fresh air module according to claim 14, characterized in that, The housing is provided with a second air outlet and a third air outlet, and the air duct includes a first pipe opening, a second pipe opening and a third pipe opening, wherein the second pipe opening is connected to the second air outlet and the third pipe opening is connected to the third air outlet; At the third position, the first pipe opening is connected to the second pipe opening, and the first pipe opening and the third pipe opening are disconnected. At the fourth position, the first port is connected to the third port, and the first port is disconnected from the second port.

16. The fresh air module according to claim 15, characterized in that, The second air vent and the third air vent are located on the same side of the housing.

17. The fresh air module according to claim 15, characterized in that, The air duct is equipped with a third stop and a fourth stop; In the third position, the second end of the second damper abuts against the third abutment portion; In the fourth position, the second end of the second damper abuts against the fourth abutment portion.

18. The fresh air module according to claim 17, characterized in that, The third stop portion is located between the first pipe opening and the second pipe opening, and the fourth stop portion is located between the first pipe opening and the third pipe opening.

19. The fresh air module according to claim 14, characterized in that, The second damper is rotatably connected to the air duct.

20. The fresh air module according to any one of claims 1-19, characterized in that, The fresh air module includes a filter device located between the air duct and the fan. The filter device is used to filter the airflow flowing from the air duct into the housing.

21. The fresh air module according to claim 20, characterized in that, The filter device is disposed within the housing, which includes a bottom shell and a cover plate. The bottom shell forms a cavity with an opening, and the cover plate is detachably connected to the bottom shell and seals the opening of the bottom shell. The filter device is disposed within the cavity and is detachably connected to the bottom shell, and the opening of the bottom shell allows the filter device to pass through.

22. The fresh air module according to claim 20, characterized in that, The filtration device includes a support and a filter screen, the support being connected to the housing, and the filter screen being detachably connected to the support.

23. The fresh air module according to any one of claims 1-19, characterized in that, The air duct and the exhaust inlet are located on different sides of the housing, and the air duct and the fresh air outlet are located on different sides of the housing.

24. An air conditioning device, characterized in that, The fresh air module includes any one of claims 1-23.

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