CN220417467U - Fresh air module and air conditioner indoor unit with same - Google Patents

Abstract

The utility model provides a fresh air module and an air conditioner indoor unit with the same, wherein the fresh air module comprises: the fresh air shell group is provided with a mounting cavity, an air inlet cavity, an indoor communication port, an outdoor communication port and a fresh air outlet, the fresh air fan is mounted in the mounting cavity, the indoor communication port and the outdoor communication port are both communicated with the air inlet cavity, and the fresh air outlet is communicated with the mounting cavity; the first wind shielding piece is provided with a shielding position for shielding the indoor communication port and an avoiding position for avoiding the indoor communication port; the second wind shielding piece is provided with a separation position for separating the air inlet cavity from the installation cavity and a communication position for communicating the air inlet cavity with the installation cavity; when the first wind shielding piece is at the shielding position, the second wind shielding piece is at the communicating position; the second windshield is in the spaced apart position when the first windshield is in the retracted position. By the technical scheme provided by the utility model, the technical problem that the fresh air module in the prior art cannot exhaust air can be solved.

Description

Fresh air module and air conditioner indoor unit with same

Technical Field

The utility model relates to the technical field of fresh air structures, in particular to a fresh air module and an air conditioner indoor unit with the same.

Background

At present, the air conditioner with fresh air in the prior art can introduce fresh air into a room, so that the indoor air quality can be effectively improved, and the use comfort of a user is improved.

However, the air conditioner with fresh air in the prior art can only perform the function of introducing outdoor fresh air, but cannot perform the function of effectively discharging indoor polluted air, so that the effective circulating flow of indoor air is not facilitated, and the air definition is also not facilitated. In addition, in order to reach the effect of discharging indoor dirty wind among the prior art, generally can increase a solitary new trend fan of airing exhaust, therefore make to draw new trend and blowdown wind respectively need draw new trend pipe and blowdown tuber pipe to need to beat two holes on the wall, so not only make the complex installation of structure lock, can cause the harm to the wall body moreover.

Disclosure of Invention

The utility model mainly aims to provide a fresh air module and an air conditioner indoor unit with the same, so as to solve the technical problem that the fresh air module in the prior art cannot exhaust air.

In order to achieve the above object, according to one aspect of the present utility model, there is provided a fresh air module including:

the fresh air shell group is provided with a mounting cavity, an air inlet cavity, an indoor communication port, an outdoor communication port and a fresh air outlet, the fresh air fan is mounted in the mounting cavity, the indoor communication port and the outdoor communication port are both communicated with the air inlet cavity, and the fresh air outlet is communicated with the mounting cavity;

the first wind shielding piece is movably arranged at the indoor communication port and is provided with a shielding position for shielding the indoor communication port and an avoiding position for avoiding the indoor communication port;

the second wind shielding piece is movably arranged at the joint of the air inlet cavity and the mounting cavity and is provided with a separation position for separating the air inlet cavity from the mounting cavity and a communication position for communicating the air inlet cavity with the mounting cavity;

when the first wind shielding piece is at the shielding position, the second wind shielding piece is at the communicating position, so that outdoor air at the outdoor communicating port flows out through the fresh air outlet; when the first wind shielding member is at the avoiding position, the second wind shielding member is at the separating position, so that indoor air at the indoor communication port is discharged through the outdoor communication port.

Further, the first wind shielding member is rotatably provided at the indoor communication port.

Further, the second wind shielding piece is rotatably arranged at the joint of the air inlet cavity and the mounting cavity.

Further, the fresh air module further includes:

the filter piece is installed in the installation cavity, and the filter piece is cut apart the installation cavity into first cavity and second cavity, and first cavity and second cavity intercommunication, the fresh air fan is installed in first cavity, and the second cavity is used for communicating with the air inlet chamber, and the movable junction that sets up in second cavity and air inlet chamber of second windscreen.

Further, the fresh air shell group includes:

the volute encloses a first cavity, and the fresh air outlet is arranged on the volute;

the first connecting shell is connected with the volute, the first connecting shell is arranged around the periphery of the mounting opening of the volute in a surrounding mode, the first connecting shell is used for forming a second cavity in a surrounding mode, and the filter element is mounted on one side, close to the volute, of the first connecting shell;

the second connecting shell is connected with the first connecting shell, is arranged at intervals with the volute, and is provided with an indoor communication port and an outdoor communication port at intervals.

Further, the fresh air module further includes:

one end of the air pipe is communicated with the outdoor communication port, and the other end of the air pipe extends into the outdoor.

According to another aspect of the utility model, an air conditioner indoor unit is provided, which comprises the fresh air module.

Further, the air conditioner indoor unit further includes:

the indoor unit shell encloses into the installation cavity, and new trend module installs in the installation cavity, and the indoor intercommunication mouth and the installation cavity intercommunication of new trend module.

Further, an air outlet is formed in the indoor unit shell, and an air deflector is movably arranged at the air outlet; the indoor unit of the air conditioner further comprises:

the air duct air outlet component is arranged in the indoor machine shell, at least part of the air duct air outlet component is arranged opposite to the air outlet, and the indoor communication port is arranged towards the air duct air outlet component.

Further, the fresh air module is arranged at the end part of the air outlet component of the air channel; and/or the number of the groups of groups,

the indoor unit of the air conditioner further comprises an air duct bottom shell and an air sweeping component, an air outlet is formed in the side portion of the air duct bottom shell, the air outlet is opposite to the indoor communication opening, the air sweeping component is movably arranged on the air duct bottom shell, and the air sweeping component is opposite to the air outlet.

By applying the technical scheme of the utility model, when fresh air needs to be introduced into a room, the first wind shielding piece is positioned at a shielding position, and the second wind shielding piece is positioned at a communicating position, so that outdoor fresh air is discharged from a fresh air outlet after passing through an outdoor communicating port; when the outdoor sewage wind is required, the first wind shielding piece is positioned at the avoiding position, and the second wind shielding piece is positioned at the separating position, so that the indoor sewage wind is discharged from the outdoor communication port after passing through the indoor communication port. Like this, through the change to the position of first piece and the second piece of keeping out the wind, just can realize the operation of introducing new trend or discharging dirty wind under different states through an outdoor intercommunication mouth and an indoor intercommunication mouth, and need not set up a plurality of new trend fans for when the simple structure of new trend module, can solve the new trend module among the prior art and can't carry out the technical problem of airing exhaust.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 shows a schematic structural diagram of a fresh air module according to a first embodiment of the present utility model;

fig. 2 shows a schematic airflow direction when a fresh air module according to a first embodiment of the present utility model introduces fresh air;

FIG. 3 is a schematic diagram showing airflow direction when the fresh air module discharges the fresh air according to the first embodiment of the utility model;

fig. 4 is a schematic structural diagram of a fresh air module and an air duct air outlet component of an indoor unit of an air conditioner according to a second embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a fresh air module and an air duct air outlet component of an indoor unit of an air conditioner when the fresh air module and the air duct air outlet component are matched according to a second embodiment of the utility model;

fig. 6 is a schematic structural view of an air deflector of an indoor unit of an air conditioner according to a second embodiment of the present utility model, which is not mounted on a casing of the indoor unit;

fig. 7 is a schematic structural diagram of an air deflector of an indoor unit of an air conditioner according to a second embodiment of the present utility model when the air deflector is closed.

Wherein the above figures include the following reference numerals:

10. a fresh air module; 11. fresh air shell group; 111. a mounting cavity; 112. an air inlet cavity; 113. an indoor communication port; 114. an outdoor communication port; 115. fresh air outlet; 116. a volute; 117. a first connection housing; 118. a second connection housing; 12. fresh air blower; 13. a first wind shielding member; 14. a second wind shielding member; 15. a filter; 16. an air duct;

20. an indoor unit casing; 21. an air outlet;

30. an air deflector;

40. an air outlet component of the air duct; 41. an air duct bottom shell; 411. an air outlet; 42. and a wind sweeping component.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

As shown in fig. 1 to 7, a first embodiment of the present utility model provides a fresh air module 10, where the fresh air module 10 includes: the fresh air shell group 11, the fresh air fan 12, the first wind shielding piece 13 and the second wind shielding piece 14, the fresh air shell group 11 is provided with an installation cavity 111, an air inlet cavity 112, an indoor communication port 113, an outdoor communication port 114 and a fresh air outlet 115, the fresh air fan 12 is installed in the installation cavity 111, the indoor communication port 113 and the outdoor communication port 114 are communicated with the air inlet cavity 112, and the fresh air outlet 115 is communicated with the installation cavity 111. The first wind shielding member 13 is movably provided at the indoor communication port 113, and the first wind shielding member 13 has a shielding position for shielding the indoor communication port 113 and an avoidance position for avoiding the indoor communication port 113. The second wind shielding member 14 is movably provided at a junction of the air intake chamber 112 and the installation chamber 111, and the second wind shielding member 14 has a separation position that blocks the air intake chamber 112 and the installation chamber 111 and a communication position that communicates the air intake chamber 112 and the installation chamber 111. When the first wind shielding member 13 is at the shielding position, the second wind shielding member 14 is at the communicating position, so that the outdoor air at the outdoor communicating port 114 flows out through the fresh air outlet 115; when the first wind shielding member 13 is at the avoidance position, the second wind shielding member 14 is at the separation position so that the indoor air at the indoor communication port 113 is discharged through the outdoor communication port 114.

When fresh air needs to be introduced into a room by adopting the fresh air module 10 provided by the embodiment, the first wind shielding piece 13 is positioned at a shielding position, and the second wind shielding piece 14 is positioned at a communicating position, so that outdoor fresh air is discharged from the fresh air outlet 115 after passing through the outdoor communicating port 114; when the outdoor sewage is required, the first wind shielding member 13 is positioned at the avoiding position, and the second wind shielding member 14 is positioned at the separating position, so that the indoor sewage is discharged from the outdoor communication port 114 after passing through the indoor communication port 113. In this way, by changing the positions of the first wind shielding member 13 and the second wind shielding member 14, the operation of introducing fresh air or discharging dirty air can be achieved in different states through one outdoor communication port 114 and one indoor communication port 113, and a plurality of fresh air fans 12 are not required to be provided, so that the structure of the fresh air module 10 is simple. Therefore, through the technical scheme provided by the embodiment, the technical problem that the fresh air module 10 in the prior art cannot exhaust air can be solved.

In the present embodiment, the first wind shielding member 13 is rotatably provided at the indoor communication port 113, and the operation is simple, facilitating the driving of the first wind shielding member 13. Specifically, the first wind shielding member 13 may be rotated by providing a driving motor. When the first wind shielding member 13 is in the avoiding position, at least part of the first wind shielding member 13 and at least part of the fresh air shell group 11 can be attached, so that the blocking effect of the first wind shielding member 13 on the air flow is reduced as much as possible.

In this embodiment, the second wind shielding member 14 is rotatably disposed at the connection between the air inlet chamber 112 and the installation chamber 111, which is simple to operate and facilitates driving of the second wind shielding member 14. Specifically, the second wind shielding member 14 may be rotated by providing a driving motor. When the second wind shielding member 14 is in the communication position, the second wind shielding member 14 may be attached to at least a portion of the fresh air shell group 11, so as to minimize the blocking effect of the second wind shielding member 14 on the airflow.

Specifically, the fresh air module 10 in this embodiment further includes a filter element 15, where the filter element 15 is installed in the installation cavity 111, the filter element 15 divides the installation cavity 111 into a first cavity and a second cavity, the first cavity is communicated with the second cavity, the fresh air fan 12 is installed in the first cavity, the second cavity is used to communicate with the air intake cavity 112, and the second wind shielding element 14 is movably disposed at a connection part between the second cavity and the air intake cavity 112. By adopting the structure, when fresh air needs to be introduced, outdoor fresh air can be effectively filtered through the filter element 15, so that the fresh air quality is effectively improved; when the waste wind is required to be discharged, the waste wind is not required to be directly discharged through the filter element 15, so that the stroke of the indoor waste wind is effectively reduced, and the indoor waste wind is conveniently and rapidly discharged.

In this embodiment, the fresh air housing group 11 includes a volute 116, a first connection housing 117 and a second connection housing 118, where the volute 116 encloses a first cavity, and the fresh air outlet 115 is disposed on the volute 116. The first connection housing 117 is connected with the spiral case 116, and the periphery at the installation mouth of spiral case 116 is enclosed to first connection housing 117, and first connection housing 117 is used for enclosing the second cavity, and filter 15 installs in the one side that first connection housing 117 is close to spiral case 116. The second connection housing 118 is connected with the first connection housing 117, the second connection housing 118 is disposed at an interval with the scroll 116, and the second connection housing 118 is provided with an indoor communication port 113 and an outdoor communication port 114 at an interval. By adopting the structure, the structure of the fresh air shell group 11 can be conveniently optimized, and the structural layout compactness of the fresh air shell group 11 is improved.

Specifically, the first connection housing 117 in this embodiment may be a square housing.

In this embodiment, the fresh air module 10 further includes an air duct 16, one end of the air duct 16 is communicated with the outdoor communication port 114, and the other end of the air duct 16 extends into the outdoor. By adopting the structure, outdoor fresh air can be conveniently introduced through the air pipe 16 or the polluted air can be discharged outdoors, and then air inlet and exhaust can be realized only through one section of pipeline, so that the compactness of the fresh air module 10 can be prevented from being influenced by two sections of pipelines, and the structure of the fresh air module 10 is simpler.

An embodiment II of the present utility model provides an air conditioner indoor unit, which includes the fresh air module 10 provided in the foregoing embodiment.

Specifically, the indoor unit of the air conditioner further comprises an indoor unit casing 20, the indoor unit casing 20 encloses an installation cavity 111, the fresh air module 10 is installed in the installation cavity 111, and an indoor communication port 113 of the fresh air module 10 is communicated with the installation cavity 111. By adopting the structure, the indoor sewage wind in the installation cavity 111 can be conveniently discharged through the indoor communication port 113, and the indoor sewage wind is introduced without arranging a separate connecting pipe, so that the structure is simple.

In this embodiment, an air outlet 21 is provided on the indoor unit casing 20, and an air deflector 30 is movably provided at the air outlet 21; the indoor unit of the air conditioner further comprises an air duct air outlet component 40, the air duct air outlet component 40 is installed in the indoor unit casing 20, at least part of the air duct air outlet component 40 is arranged opposite to the air outlet 21, and the indoor communication port 113 is arranged towards the air duct air outlet component 40. With such a structural arrangement, it is possible to facilitate smooth discharge of the indoor dirty air at the air duct outlet member 40 through the indoor communication port 113 without the need for a separate connection pipe.

The air deflector 30 in the present embodiment is rotatably disposed at the air outlet 21 to close or open the air outlet 21, and can also close the indoor communication port 113 when the air outlet 21 is closed; when the air outlet 21 is opened and the indoor communication port 113 is opened, smooth air discharge can be facilitated.

Specifically, the fresh air module 10 can be installed at the end of the duct air outlet component 40, so that other internal structures of the air conditioner indoor unit are not interfered, and the assembly is convenient.

In this embodiment, the indoor unit of the air conditioner further includes an air duct bottom case 41 and a wind sweeping component 42, an air outlet 411 is disposed on a side portion of the air duct bottom case 41, the air outlet 411 is disposed opposite to the indoor communication opening 113, the wind sweeping component 42 is movably disposed on the air duct bottom case 41, and the wind sweeping component 42 is disposed opposite to the air outlet 21. With such a structural arrangement, the indoor air-blowing device can smoothly discharge the indoor air-blowing at the air duct bottom case 41 and the air-blowing member 42 through the indoor communication port 113, and the additional connecting pipe is not required to be provided to introduce the indoor air-blowing.

In this embodiment, the fresh air fan 12 of the fresh air module 10 is responsible for exhausting air, i.e. exhausting fresh air indoors, and the heat exchange fan of the indoor unit of the air conditioner is responsible for exhausting air, i.e. exhausting dirty indoor air outdoors. The fresh air and the sewage wind are pumped out by switching the first wind shielding piece 13 and the second wind shielding piece 14 of the fresh air module 10 through an air pipe 16, and the fresh air fan 12 is selected to pump air or the internal machine is started to exhaust air by detecting the indoor air quality index and the temperature difference of the environment temperature.

Specifically, the fresh air module 10 may be disposed at the left side of the indoor unit of the air conditioner. The indoor communication port 113 on the fresh air module 10 is aligned and fixed with the exhaust port 411 on the bottom shell, and the air pipe 16 is connected with the indoor communication port 113 on the fresh air module 10.

When the indoor unit of the air conditioner needs to draw fresh air from the outside, the first wind shielding piece 13 is positioned at a shielding position, and the second wind shielding piece 14 is positioned at a communicating position; when the air conditioner indoor unit selects the air exhaust mode, the first wind shielding member 13 is in the avoidance position, and the second wind shielding member 14 is in the separation position. When the air conditioner is turned off, the first and second windshields 13 and 14 are simultaneously turned off to prevent outdoor wind from flowing backward into the room.

The control method of the indoor unit of the air conditioner in this embodiment may be:

designing an air quality index threshold A in a control logic, and simultaneously associating a real-time environment temperature difference value delta t in the logic;

the program determines that the air quality is poor when the air quality index B in the collected environment exceeds 10% of the design threshold A (i.e., B. Gtoreq.A+A. Times.10%). Otherwise, judging that the air quality is excellent;

when the indoor air quality index B ultrasonic B is more than or equal to A+A is 10%, the temperature difference value of the indoor air in any time period is obtained at the same time, when the temperature difference value Deltat is less than or equal to 1 ℃, the air conditioner internal unit is switched to an air supply mode, the large air deflector 30 is closed, the air door 1 is opened, the air door 2 is closed, the air conditioner enters an air exhaust mode, when the temperature difference value Deltat is more than 1 ℃, the air conditioner internal unit is switched to a refrigerating/heating mode, the large air deflector 30 is opened to compensate the indoor temperature, the air door 1 is closed, the air door 2 is opened, and the air conditioner enters a fresh air (air draft) mode, so that the air circulation can be realized to the maximum extent, and the indoor temperature can not be greatly fluctuated;

when the indoor air quality is smaller than the design value, the fresh air function is closed, and the energy consumption is reduced.

In this embodiment, a fresh air duct and an exhaust duct can be constructed by matching the structure of the fresh air module 10 and the indoor unit of the air conditioner, and fresh air and dirty air can be introduced into the room by using one air duct 16. The air conditioner indoor unit is utilized to realize the air exhausting function without increasing the cost. The air channel at the air outlet 21 is directly connected with the air cavity of the fresh air module 10, and an exhaust air channel can be constructed without adding an additional connecting air pipe 16. Through the arrangement of the first wind shielding piece 13 and the second wind shielding piece 14, the air duct is convenient to switch, the anti-backflow effect can be achieved, and meanwhile, the volume of the fresh air module 10 can be reduced as much as possible. The switching of fresh air and exhaust air is intelligently controlled through the correlation monitoring of indoor air quality indexes (CO 2, CO, formaldehyde, particulate matters, volatile organic matters and the like are converted into corresponding air quality indexes according to the relevant weights) and temperature.

Preferably, an air quality index threshold is designed in the control logic, and when the indoor air quality index exceeds (becomes worse) the design value, the temperature difference value of the indoor air in any time period is obtained at the same time, when the temperature difference value Deltat is less than or equal to 1 ℃, the indoor unit of the air conditioner is switched to an air supply mode, the air deflector 30 is closed, the first wind deflector 13 is at an avoiding position, the second wind deflector 14 is at a separating position, and the air conditioner enters an air exhaust mode; when the temperature difference delta t is more than 1 ℃, the air conditioner is switched to a refrigerating/heating mode, the large air deflector 30 is opened to compensate the indoor temperature, the first wind shielding piece 13 is at a shielding position, the second wind shielding piece 14 is at a communicating position, and the air conditioner enters a fresh air (ventilation) mode, so that the air circulation can be realized to the greatest extent, and the indoor temperature can be prevented from greatly fluctuating. When the indoor air quality is smaller than the design value, the fresh air function is closed, and the energy consumption is reduced.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: one air pipe can meet the requirements of fresh air intake and exhaust, and damage to a wall body is reduced without extra punching, so that the installation is more attractive; the user can select a fresh air mode or an exhaust mode or an intelligent fresh air mode independently; the switching of the first wind shielding piece and the second wind shielding piece can realize the switching of the fresh air and the air channel of exhaust, so that the back flow can be prevented, the control is simple, the fan component is small in size, and the technical problem that the fresh air module in the prior art cannot exhaust air can be solved. In addition, the fresh air module is directly connected with the bottom shell of the air conditioner indoor unit, and a connecting pipe is not required to be additionally arranged, so that the cost is saved, the reliability of assembly is improved, meanwhile, the wind resistance in the air duct is reduced, and the air exhaust quantity is improved.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present application, it should be understood that, where azimuth terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal", and "top, bottom", etc., indicate azimuth or positional relationships generally based on those shown in the drawings, only for convenience of description and simplification of the description, these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A fresh air module, comprising:

the novel air conditioner comprises a novel air shell group (11) and a novel air blower (12), wherein the novel air shell group (11) is provided with an installation cavity (111), an air inlet cavity (112), an indoor communication port (113), an outdoor communication port (114) and a novel air outlet (115), the novel air blower (12) is installed in the installation cavity (111), the indoor communication port (113) and the outdoor communication port (114) are communicated with the air inlet cavity (112), and the novel air outlet (115) is communicated with the installation cavity (111);

a first wind shielding member (13) movably disposed at the indoor communication port (113), the first wind shielding member (13) having a shielding position for shielding the indoor communication port (113) and an avoidance position for avoiding the indoor communication port (113);

a second wind shielding member (14) movably arranged at the joint of the air inlet cavity (112) and the mounting cavity (111), wherein the second wind shielding member (14) is provided with a separation position for separating the air inlet cavity (112) from the mounting cavity (111) and a communication position for communicating the air inlet cavity (112) with the mounting cavity (111);

wherein, when the first wind shielding piece (13) is at the shielding position, the second wind shielding piece (14) is at the communicating position so that the outdoor air at the outdoor communicating port (114) flows out through the fresh air outlet (115); when the first wind shielding member (13) is at the avoidance position, the second wind shielding member (14) is at the separation position, so that indoor air at the indoor communication port (113) is discharged through the outdoor communication port (114).

2. Fresh air module according to claim 1, characterized in that the first wind deflector (13) is rotatably arranged at the indoor communication port (113).

3. Fresh air module according to claim 1, characterized in that the second wind deflector (14) is rotatably arranged at the junction of the air inlet chamber (112) and the mounting chamber (111).

4. The fresh air module of claim 1, further comprising:

the filter (15) is installed in the installation cavity (111), the filter (15) will install cavity (111) is cut apart into first cavity and second cavity, first cavity with second cavity intercommunication, fresh air fan (12) are installed in the first cavity, the second cavity be used for with air inlet cavity (112) intercommunication, second wind shield (14) movably set up the junction in second cavity with air inlet cavity (112).

5. Fresh air module according to claim 4, characterized in that the fresh air shell group (11) comprises:

the volute (116), the volute (116) encloses a first cavity, and the fresh air outlet (115) is arranged on the volute (116);

the first connecting shell (117) is connected with the volute (116), the first connecting shell (117) is arranged around the periphery of the mounting opening of the volute (116), the first connecting shell (117) is used for enclosing a second cavity, and the filter element (15) is mounted on one side, close to the volute (116), of the first connecting shell (117);

the second connection shell (118) is connected with the first connection shell (117), the second connection shell (118) with spiral case (116) interval sets up, the interval is provided with on the second connection shell (118) indoor intercommunication mouth (113) with outdoor intercommunication mouth (114).

6. The fresh air module of claim 1, further comprising:

and one end of the air pipe (16) is communicated with the outdoor communication port (114), and the other end of the air pipe (16) stretches into the outdoor.

7. An air conditioning indoor unit characterized by comprising a fresh air module (10) according to any one of claims 1 to 6.

8. The air conditioning indoor unit of claim 7, further comprising:

the indoor unit comprises an indoor unit shell (20), wherein an installation cavity (111) is formed by the indoor unit shell (20), the fresh air module (10) is installed in the installation cavity (111), and an indoor communication port (113) of the fresh air module (10) is communicated with the installation cavity (111).

9. The indoor unit of claim 8, wherein an air outlet (21) is provided on the indoor unit casing (20), and an air deflector (30) is movably provided at the air outlet (21); the indoor unit of the air conditioner further comprises:

the air duct air outlet component (40) is arranged in the indoor unit shell (20), at least part of the air duct air outlet component (40) is arranged opposite to the air outlet (21), and the indoor communication port (113) is arranged towards the air duct air outlet component (40).

10. The indoor unit of claim 9, wherein the indoor unit of the air conditioner,

the fresh air module (10) is arranged at the end part of the air duct air outlet component (40); and/or the number of the groups of groups,

the air duct air outlet component (40) comprises an air duct bottom shell (41) and an air sweeping component (42), an air outlet (411) is formed in the side portion of the air duct bottom shell (41), the air outlet (411) is opposite to the indoor communication port (113), the air sweeping component (42) is movably arranged on the air duct bottom shell (41), and the air sweeping component (42) is opposite to the air outlet (21).