CN218096249U

CN218096249U - Fresh air assembly and air conditioner

Info

Publication number: CN218096249U
Application number: CN202220998428.XU
Authority: CN
Inventors: 吴庆壮; 黄涛; 陈永锋; 刘武祥
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-12-20
Anticipated expiration: 2032-04-26

Abstract

The utility model relates to an air conditioner technical field specifically discloses a new trend subassembly and air conditioner, the new trend subassembly includes casing and air inlet machine, is equipped with the new trend air inlet on the casing, and the new trend air inlet constitutes outdoor air current and gets into indoor passageway, and the air inlet machine is established in the casing, and the air inlet machine lies in the low reaches of new trend air inlet on the direction of gas flow, and the relative arrangement in the fore-and-aft direction of casing of import and new trend air inlet of air inlet machine, this disclosed new trend subassembly can improve indoor air improvement effect and user experience.

Description

Fresh air assembly and air conditioner

Technical Field

The utility model relates to an air conditioner technical field, concretely relates to new trend subassembly and air conditioner.

Background

The air conditioner with the fresh air function is induced draft from the outside through the air pipe to enter the inside, dust and sundries in the air are filtered out through filtering, and finally the air pipe inside the air conditioner enters the indoor space, so that the fresh air function is realized.

Disclosure of Invention

BRIEF SUMMARY OF THE PRESENT DISCLOSURE

The present disclosure is based on the discovery and recognition by the inventors of the following facts and problems:

fresh air conditioner among the correlation technique:

the patent CN106678956A discloses an intelligent fresh air conditioner, which automatically switches from an internal circulation mode to an external circulation mode when the content of harmful gases such as carbon dioxide and formaldehyde in the room is not in accordance with the setting; when the indoor temperature does not meet the setting but the content of harmful gases such as carbon dioxide, formaldehyde and the like in the room meets the setting, automatically switching from the external circulation mode to the internal circulation mode or continuously operating the internal circulation mode after starting up; when the indoor temperature meets the set temperature but the content of harmful gases such as carbon dioxide, formaldehyde and the like does not meet the set temperature, automatically entering an external circulation mode of closing the refrigeration or heating function; when the indoor temperature and the content of harmful gases such as indoor carbon dioxide, formaldehyde and the like are set, the equipment automatically enters a standby mode.

Patent CN108758948A discloses an integrated type new trend air conditioner all-in-one, with air conditioning system integration to new trend equipment the inside, with new trend equipment unites two into one, can be under the not good condition of cooling effect when new trend moves, the automatic shutdown new trend system opens air conditioning system, realizes the air current inner loop cooling, thoroughly controls temperature variation in the rack, makes the temperature maintain at steady state in the rack.

Above-mentioned fresh air conditioner generally can only carry out solitary extrinsic cycle and inner loop, does not combine inner loop and extrinsic cycle, and the functional mode is less, can only carry out solitary extrinsic cycle or inner loop mode, and the function is less, and indoor air improves the effect poor, and user experience is relatively poor, and air cycle's efficiency and effect all remain to be improved.

The present disclosure is directed to solving, at least in part, one of the technical problems in the related art. Therefore, the embodiment of the disclosure provides a fresh air component, which can improve the indoor air improvement effect and the user experience.

The embodiment of the disclosure also provides an air conditioner.

The new trend subassembly of this disclosed embodiment includes: the fresh air inlet forms a channel for outdoor airflow to enter the room; the air inlet machine, the air inlet machine is established in the casing, just the air inlet machine is located in the direction that the gas flows the low reaches of new trend air inlet, just the import of air inlet machine with the new trend air inlet is in relative arrangement on the fore-and-aft direction of casing.

The fresh air component of the embodiment of the disclosure can improve the indoor air improvement effect and the user experience.

In some embodiments, the fresh air assembly further comprises an air door, the air door is connected with the casing, and the air door is arranged in the fresh air inlet to control the third air inlet to be opened and closed.

In some embodiments, the air inlet machine comprises fan blades, and the distance between the axis of the rotating shaft of the fan blades and the axis of the rotating shaft of the air door in the length direction of the shell is A, and A is greater than or equal to 10mm and less than or equal to 25mm.

In some embodiments, the casing is provided with an internal circulation air inlet, the internal circulation air inlet and the fresh air inlet are arranged at intervals in the left-right direction of the casing, the fresh air assembly further comprises an internal circulation part, the internal circulation part comprises an internal circulation switch door, the internal circulation switch door is connected with the casing, and the internal circulation switch door can rotate between a closed position and an open position relative to the casing to open and close the internal circulation air inlet.

In some embodiments, the internal circulation component further comprises a first bracket that cooperates with the internal circulation opening and closing door to close the internal circulation intake opening in the closed position

In some embodiments, the number of the internal circulation intake ports is plural, and the plural internal circulation intake ports are spaced in the left-right direction of the casing; the number of the internal circulation components is multiple, the internal circulation components are respectively connected with the shell, and the internal circulation components are connected with the internal circulation air inlets in a one-to-one correspondence mode.

In some embodiments, the casing is internally provided with an air duct, an inlet of the air duct is respectively communicated with the indoor air circulation channel and the indoor outdoor air inlet channel, an outlet of the air duct is communicated with an air inlet of the air inlet machine, the air inlet assembly further comprises a filter screen, the filter screen is arranged in the casing, and the filter screen is positioned at the downstream of the internal circulation air inlet and the fresh air inlet in the air circulation direction.

In some embodiments, an air outlet is formed in the housing, one end of the air outlet is communicated with the outlet of the air duct, and the other end of the air outlet is communicated with the outside.

In some embodiments, the fresh air assembly further comprises a connecting pipe, one end of the connecting pipe is communicated with the fresh air inlet, and the other end of the connecting pipe is communicated with the outside.

The air conditioner of the embodiment of this disclosure, including the new trend subassembly as any one embodiment described above.

The air conditioner disclosed by the embodiment of the disclosure can improve the indoor air improvement effect and user experience.

Drawings

Fig. 1 is a schematic structural diagram of a fresh air component according to an embodiment of the present disclosure, and a first internal circulation component and a second internal circulation component are in an open state.

Fig. 2 is a side view of a fresh air component of an embodiment of the present disclosure, with the first inner circulation member and the second inner circulation member in an open state.

Fig. 3 is a schematic structural diagram of a fresh air component according to an embodiment of the disclosure, and a damper is in an open state.

Fig. 4 is a side view of a fresh air component of an embodiment of the present disclosure with a damper in an open state.

Fig. 5 is a schematic structural diagram of a fresh air component according to an embodiment of the present disclosure, and the first internal circulation component, the second internal circulation component, and the damper are in an open state.

Fig. 6 is a side view of a fresh air component of an embodiment of the present disclosure, with the first inner circulation member, the second inner circulation member, and the damper in an open state.

Fig. 7 is a schematic view of an air conditioner according to an embodiment of the present disclosure.

Reference numerals:

the air-conditioner (100) is provided with,

a shell 1, an internal circulation air inlet 11, a fresh air inlet 12, an air duct 13 and an air outlet 14,

a first internal circulation part 2, a first internal circulation opening and closing door 21, a first bracket 22,

the second internal circulation section 3, the second internal circulation opening and closing door 31, the second bracket 32,

air door 4, air inlet machine 5, fan blade 51, filter screen 6, connecting pipe 7.

Detailed Description

Reference will now be made in detail to embodiments of the present disclosure, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present disclosure, and should not be construed as limiting the present disclosure.

Referring to fig. 1-7, a fresh air module according to an embodiment of the present disclosure includes a housing 1 and an air inlet fan 5.

The shell 1 is provided with a fresh air inlet 13, the fresh air inlet 13 forms an indoor channel for outdoor airflow to enter, the air inlet machine 5 is arranged in the shell 1, the air inlet machine 5 is positioned at the downstream of the fresh air inlet 13 in the direction of gas flow, and the inlet of the air inlet machine 5 and the fresh air inlet 13 are oppositely arranged in the front-back direction of the shell 1.

Alternatively, the number of the internal circulation air inlets 11 is plural, the plurality of internal circulation air inlets 11 are spaced in the left-right direction of the casing 1, the number of the internal circulation components is plural, the plurality of internal circulation components are respectively connected to the casing 1, and the plurality of internal circulation components are connected to the plurality of internal circulation air inlets 11 in a one-to-one correspondence.

For example, the number of the internal circulation air inlets 11 may be two, the two internal circulation air inlets 11 are arranged at intervals in the left-right direction, the fresh air inlet 12 is located between the two internal circulation air inlets 11, the number of the internal circulation components is two and is respectively the first internal circulation component 2 and the second internal circulation component 3, and the first internal circulation component 2 and the second internal circulation component 3 are respectively arranged in the two internal circulation air inlets 11.

Specifically, as shown in fig. 1, the left internal circulation air inlet 11 is located on the left side of the casing 1, the right internal circulation air inlet 11 is located on the right side of the casing 1, the fresh air inlet 12 is located between the left internal circulation air inlet 11 and the right internal circulation air inlet 11, and the left internal circulation air inlet 11 and the right internal circulation air inlet 11 are symmetrically arranged on the left and right sides of the fresh air inlet 12 in the left-right direction.

The first internal circulation element 2 is provided in the casing 1 and is disposed adjacent to the left internal circulation intake port 11 to control opening and closing of the left internal circulation intake port 11. The second internal circulation component 3 is provided in the casing 1 and is disposed near the right internal circulation intake port 11, and controls opening and closing of the right internal circulation intake port 11.

Optionally, the opening sizes of the left internal circulation air inlet 11 and the right internal circulation air inlet 11 are the same, and the opening sizes of the left internal circulation air inlet 11 and the right internal circulation air inlet 11 are smaller than the opening size of the fresh air inlet 12.

It should be noted that the left internal circulation air inlet 11 and the right internal circulation air inlet 11 are communicated with the indoor space, and the fresh air inlet 12 is communicated with the outdoor space, that is, the air in the indoor space enters the fresh air module through the left internal circulation air inlet 11 and the right internal circulation air inlet 11, and the air in the outdoor space enters the fresh air module through the fresh air inlet 12.

The fresh air component of the embodiment of the disclosure controls the opening and closing of the left inner circulation air inlet 11 and the right inner circulation air inlet 11 through the first inner circulation part 2 and the second inner circulation part 3 respectively, so that the fresh air inner circulation or the fresh air outer circulation can be opened according to the selection of a user, the functions and the number of modes of the fresh air component are increased, and the user experience is improved while the effect of improving the indoor air is improved.

Specifically, the air inlet machine 5 is located the front side of left side inner loop air inlet 11, right side inner loop air inlet 11 and new trend air inlet 12, and the air inlet of new trend air inlet 12 and air inlet machine 5 is upwards arranged at the front and back to relatively, and outside air need not can get into in the air inlet machine 5 through the wind channel of bending after entering casing 1 through new trend air inlet 12 to shorten gaseous air inlet route, improved air inlet efficiency.

Optionally, the left internal circulation air inlet 11, the right internal circulation air inlet 11 and the fresh air inlet 12 are arranged at the rear side of the air inlet fan 5, so that air passing through the left internal circulation air inlet 11 and the right internal circulation air inlet 11 can also rapidly enter the air inlet fan 5, the air inlet efficiency of indoor air is improved, and the improvement effect on the indoor air is further improved.

Optionally, the fresh air inlet 12 and the air inlet of the air inlet fan 5 are arranged oppositely in the front-rear direction, so that the air flowing directions of the air door 4 and the air inlet of the air inlet fan 5 are kept in the same direction, the air inlet path of air can be shortened, the air enters the air inlet of the air inlet fan 5 along a straight path through the fresh air inlet 12, and the air inlet efficiency is improved.

For example, the air intake fan 5 is a centrifugal fan.

In some embodiments, the fresh air assembly further comprises a damper 4, the damper 4 is connected to the casing 1, and the damper 4 is disposed in the fresh air inlet 12 to control the opening and closing of the fresh air inlet 12.

Specifically, the air door 4 is arranged in the casing 1 and close to the fresh air inlet 12, and controls the opening and closing of the fresh air inlet 12.

In some embodiments, the air inlet fan 5 comprises a fan blade 51, and the distance between the axis of the rotating shaft of the fan blade 51 and the axis of the rotating shaft of the air door 4 in the length direction of the casing 1 is a, and is greater than or equal to 10mm and less than or equal to 25mm.

Specifically, as shown in fig. 5, the rotation shaft of the damper 4 extends in the up-down direction, the rotation shaft of the paddle 51 extends in the front-rear direction, and the axis of the rotation shaft of the damper 4 and the axis of the rotation shaft of the paddle 51 are spaced apart by a distance a in the left-right direction.

For example, a may be 10mm, 11mm, 12mm, 13.5mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22.5mm, 23mm, 24mm, 25mm. The embodiment of the disclosure enables the air inlet of the air inlet fan 5 to be smoother by arranging the rotating shaft of the air door 4 to deviate from the rotating shaft of the fan blade 51, improves the compactness of the structure in space, accelerates the circulation of air by the rotation of the fan blade 51, and further improves the smoothness of the air entering the air inlet fan 5 so as to improve the effect of improving indoor air.

For example, the axis of the rotary shaft of the fan 51 may be set to the left or right with respect to the axis of the rotary shaft of the damper 4.

In some embodiments, the first internal circulation section 2 includes a first internal circulation opening and closing door 21, the first internal circulation opening and closing door 21 being connected to the casing 1, the first internal circulation opening and closing door 21 being rotatable between a closed position and an open position with respect to the casing 1 to open and close the left internal circulation intake port 11, and the second internal circulation section 3 includes a second internal circulation opening and closing door 31, the second internal circulation opening and closing door 31 being rotatable between a closed position and an open position with respect to the casing 1 to open and close the right internal circulation intake port 11.

Specifically, the first internal circulation switch door 21 is located in the middle of the left internal circulation air inlet 11, the second internal circulation switch door 31 is located in the middle of the right internal circulation air inlet 11, and the housing 1 is located in the middle of the fresh air inlet 12.

Alternatively, when the first internal circulation opening and closing door 21 is in the closed state, the first internal circulation opening and closing door 21 is rotated counterclockwise to open the left internal circulation intake port 11. When the first internal circulation opening and closing door 21 is in the open state, the first internal circulation opening and closing door 21 rotates clockwise to close the left internal circulation intake port 11.

Alternatively, when the second internal circulation opening and closing door 31 is in the closed state, the second internal circulation opening and closing door 31 rotates clockwise to open the right internal circulation intake port 11. When the second internal circulation opening and closing door 31 is in the open state, the second internal circulation opening and closing door 31 rotates counterclockwise to close the right internal circulation intake port 11.

In some embodiments, the first internal circulation section 2 further includes a first bracket 22, and in the closed position, the first bracket 22 cooperates with the first internal circulation opening and closing door 21 to close the left internal circulation air intake port 11, and the second internal circulation section 3 further includes a second bracket 32, and in the closed position, the second bracket 32 cooperates with the second internal circulation opening and closing door 31 to close the right internal circulation air intake port 11.

Specifically, when left side inner loop air inlet 11 is in the closed condition, the right-hand member and the first support 22 butt of first inner loop switch door 21, first support 22 is connected with casing 1, through the cooperation of first inner loop switch door 21 with first support 22, closes left side inner loop air inlet 11, when left side inner loop air inlet 11 is in the closed condition, first inner loop switch door 21 can carry on spacingly through first support 22, avoids first inner loop switch door 21 closed unstable.

When the left internal circulation intake port 11 is turned from the closed state to the open state, the first internal circulation opening and closing door 21 is rotated counterclockwise, and the right end of the first internal circulation opening and closing door 21 is separated from the first bracket 22 and rotated counterclockwise to a direction toward the inside of the casing 1 to open the left internal circulation intake port 11.

Specifically, when the right internal circulation intake port 11 is in the closed state, the second bracket 32 is connected to the casing 1, and the right internal circulation intake port 11 is closed by the cooperation of the second internal circulation opening and closing door 31 and the second bracket 32.

When the right internal circulation air inlet 11 is turned to the open state from the closed state, the left end of the second internal circulation switch door 31 is separated from the second bracket 32 and rotates clockwise to the direction toward the inside of the housing 1 to open the right internal circulation air inlet 11, and when the right internal circulation air inlet 11 is in the closed state, the second internal circulation switch door 31 can be limited by the second bracket 32, so that the second internal circulation switch door 31 is prevented from being unstable in closing.

Specifically, when the fresh air inlet 12 is turned from the closed state to the open state, the damper 4 is rotated counterclockwise to open the fresh air inlet 12.

In some embodiments, the casing 1 has an air duct 13 therein, an inlet of the air duct 13 is respectively communicated with the left internal circulation air inlet 11, the right internal circulation air inlet 11 and the fresh air inlet 12, an outlet of the air duct 13 is communicated with an air inlet of the air inlet fan 5, the fresh air assembly further includes a filter screen 6, the filter screen 6 is disposed in the casing 1,

the filter screen 6 is located downstream of the inner circulation intake port 11 and the fresh air intake port 12 in the direction of air circulation.

Specifically, the left end and the right end of filter screen 6 are connected with casing 1 respectively, and in the direction of circulation of air, filter screen 6 establishes in the low reaches of left side inner loop air inlet 11, right side inner loop air inlet 11 and new trend air inlet 12, and filter screen 6 can filter the gas that gets into wind channel 13 through left side inner loop air inlet 11, right side inner loop air inlet 11 and new trend air inlet 12 promptly, and it can be understood that the gas that gets into wind channel 13 import is the gas after filter screen 6 filters.

Optionally, the gas entering the casing 1 through the left inner circulation air inlet 11, the right inner circulation air inlet 11 and the fresh air inlet 12 enters the inlet of the air duct 13 through the filter screen 6, so that the gas entering the air duct 13 is filtered through the filter screen 6, impurities doped in indoor air and outdoor air are prevented from entering the fresh air assembly, and the service life of the fresh air assembly is prolonged.

Optionally, the filter screen 6 is a HEPA screen, which can filter and sterilize the circulated air, thereby improving the quality of the air entering the room.

In some embodiments, the housing 1 is provided with an air outlet 14, one end of the air outlet 14 is communicated with an outlet of the air duct 13, and the other end of the air outlet 14 is communicated with the outside.

Optionally, the outlet of the air duct 13 may be communicated with the outside through the air outlet 14, so as to improve the transmission efficiency of the air.

In some embodiments, the fresh air component further includes a connecting pipe 7, one end of the connecting pipe 7 is communicated with the fresh air inlet 12, and the other end of the connecting pipe 7 is communicated with the outside.

Optionally, through the setting of connecting pipe 7, can make new trend air inlet 12 and external intercommunication, improve air inlet efficiency, and then improve the intake, make external air transmission indoor more smooth and easy, improve user's experience.

In some embodiments, the fresh air module further includes a first driver (not shown) connected to the first internal circulation switch door 21 to control the first internal circulation switch to open and close the left internal circulation air inlet 11, a second driver (not shown) connected to the second internal circulation switch door 31 to control the second internal circulation switch to open and close the right internal circulation air inlet 11, and a third driver (not shown) connected to the damper 4 to control the damper 4 to open and close the fresh air inlet 12.

Specifically, the first driver controls the first internal circulation switching door 21 to enable the first internal circulation switching door 21 to be opened or closed independently, the second driver controls the second internal circulation switching door 31 to enable the second internal circulation switching door 31 to be opened or closed independently, and the third driver controls the damper 4 to enable the damper 4 to be opened or closed independently.

Optionally, the left internal circulation air inlet 11, the right internal circulation air inlet 11 and the fresh air inlet 12 are opened and closed through the first internal circulation switch door 21, the second internal circulation switch door 31 and the air door 4, so as to provide multiple modes, such as an internal circulation mode, namely, the first internal circulation switch door 21 and the second internal circulation switch door 31 are opened, an internal circulation mode and an external circulation mode are opened, namely, the first internal circulation switch door 21, the second internal circulation switch door 31, the air door 4 and the external circulation mode are opened, namely, the air door 4 is opened, so that mode selection is diversified, different user requirements are met, and user experience is improved.

Optionally, the first internal circulation switch door 21 and the second internal circulation switch door 31 are controlled to circulate indoor air to the filter screen 6, and the indoor air is filtered by the filter screen 6 and then is delivered back to the indoor room, so that internal circulation of the indoor air is formed, and the quality of the indoor air is improved. This disclosed embodiment can be with outdoor circulation of air to indoor through the control to air door 4, improves the improvement effect of room air, and then improves user experience. First inner loop switch door 21, second inner loop switch door 31 and air door 4 three open and close independently, satisfy different demands, increase the quantity and the service function of user's mode of use, improve user's experience.

The air conditioner 100 of the embodiment of the present disclosure includes the fresh air component of the above embodiment.

Specifically, the air conditioner of the embodiment of the present disclosure satisfies the improvement effect of indoor air by providing diversified mode selections and in different modes, thereby improving user experience.

In the description of the present disclosure, it is to 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," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present disclosure and to simplify the description, but are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present disclosure.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present disclosure, "plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present disclosure, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral with; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In the present disclosure, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

Although embodiments of the present disclosure have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present disclosure, and that changes, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present disclosure.

Claims

1. A new trend subassembly which characterized in that includes:

the fresh air inlet is arranged on the shell and forms a channel for outdoor airflow to enter the room;

the air inlet machine, the air inlet machine is established in the casing, just the air inlet machine is located in the direction that the gas flows the low reaches of new trend air inlet, just the import of air inlet machine with the new trend air inlet is in relative arrangement on the fore-and-aft direction of casing.

2. The fresh air assembly as claimed in claim 1, further comprising a damper, wherein the damper is connected to the housing, and the damper is disposed in the fresh air inlet to control opening and closing of the fresh air inlet.

3. The fresh air assembly as claimed in claim 2, wherein the air inlet fan comprises a fan blade, the distance between the axis of the rotating shaft of the fan blade and the axis of the rotating shaft of the air door in the length direction of the casing is A, and A is greater than or equal to 10mm and less than or equal to 25mm.

4. The fresh air assembly as claimed in claim 3, wherein an inner circulation air inlet is provided on the housing, the inner circulation air inlet and the fresh air inlet are arranged at an interval in the left-right direction of the housing, the fresh air assembly further comprises an inner circulation component, the inner circulation component comprises an inner circulation switch door, the inner circulation switch door is connected with the housing, and the inner circulation switch door is rotatable between a closed position and an open position relative to the housing to open and close the inner circulation air inlet.

5. The fresh air assembly as recited in claim 4, wherein the inner circulation member further comprises a first bracket that cooperates with the inner circulation opening and closing door to close the inner circulation inlet in the closed position.

6. The fresh air assembly as claimed in claim 4, wherein the number of the internal circulation air inlets is plural, and the plural internal circulation air inlets are spaced in the left-right direction of the casing;

the number of the internal circulation parts is multiple, the internal circulation parts are respectively connected with the shell, and the internal circulation parts are connected with the internal circulation air inlets in a one-to-one correspondence mode.

7. The fresh air assembly as claimed in claim 4, wherein an air duct is provided in the casing, an inlet of the air duct is respectively communicated with the internal circulation air inlet and the fresh air inlet, an outlet of the air duct is communicated with an air inlet of the air inlet fan, the fresh air assembly further comprises a filter screen, the filter screen is arranged in the casing, and the filter screen is located at the downstream of the internal circulation air inlet and the fresh air inlet in the air circulation direction.

8. The fresh air assembly as claimed in claim 7, wherein an air outlet is formed in the casing, one end of the air outlet is communicated with the outlet of the air duct, and the other end of the air outlet is communicated with the outside.

9. The fresh air assembly as claimed in any one of claims 1 to 8, further comprising a connecting pipe, one end of the connecting pipe is communicated with the fresh air inlet, and the other end of the connecting pipe is communicated with the outside.

10. An air conditioner comprising a fresh air module as claimed in any one of claims 1 to 9.