CN211977020U - Air conditioner indoor unit and air conditioner with same - Google Patents

Abstract

The utility model discloses an indoor set of air conditioning and have its air conditioner, the indoor set of air conditioning includes: casing, indoor heat exchange unit and air handling unit. Inject the first chamber and the second chamber that holds that separates each other in the casing and hold, be formed with on the casing with the first return air inlet and the first air outlet that hold the chamber intercommunication and hold second air outlet and the new trend import that the chamber communicates with the second, indoor heat transfer unit establishes at the first intracavity that holds, indoor heat transfer unit includes first fan subassembly and first heat exchanger part, air handling unit establishes at the second and holds the intracavity, air handling unit includes second fan subassembly and second heat exchanger part, second fan subassembly is established at second heat exchanger part downstream in the air current flow direction. According to the utility model discloses machine in air conditioning can guarantee to refrigerate/heat the effect when realizing through the introduction new trend in order to improve the room air quality to this machine in air conditioning's air treatment unit's air current heat transfer is even and noise at work is lower.

Description

Air conditioner indoor unit and air conditioner with same

Technical Field

The utility model belongs to the technical field of air treatment equipment and specifically relates to an air conditioning indoor unit and have its air conditioner and relate to.

Background

In the related art, during the use of the air conditioner, the indoor environment is usually in a relatively closed state. In order to improve the indoor air quality, a fresh air function is added on the air conditioner, and outdoor fresh air is introduced into the room. However, there is generally a temperature difference between the outdoor temperature and the indoor temperature, which affects the cooling/heating effect of the air conditioner while the air conditioner introduces outdoor air into the room.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide an indoor set of air conditioning, this indoor set of air conditioning can guarantee to refrigerate/heat the effect when realizing through the introduction new trend in order to improve the room air quality to this indoor set of air conditioning's air handling unit's air current heat transfer is even and noise at work is lower.

The utility model also provides an air conditioner of having above-mentioned machine in the air conditioning.

According to the utility model discloses machine in air conditioning of first aspect embodiment, include: the air conditioner comprises a machine shell, a first accommodating cavity and a second accommodating cavity are defined in the machine shell and are separated from each other, a first air return opening and a first air outlet which are communicated with the first accommodating cavity are formed in the machine shell, and a second air outlet and a fresh air inlet which are communicated with the second accommodating cavity are formed in the machine shell; the indoor heat exchange unit is arranged in the first accommodating cavity and comprises a first fan assembly and a first heat exchanger component, and the first fan assembly can drive airflow to enter the first accommodating cavity from the first air return opening to exchange heat with the first heat exchanger component and blow out from the first air outlet; the air processing unit is arranged in the second accommodating cavity and comprises a second fan assembly and a second heat exchanger component, the second fan assembly is arranged at the downstream of the second heat exchanger component in the airflow flowing direction, and the second fan assembly can drive airflow to enter the second accommodating cavity from the fresh air inlet to exchange heat with the second heat exchanger component and then blow out from the second air outlet.

According to the utility model discloses machine in air conditioning through the indoor heat transfer unit and the air handling unit that set up, can realize indoor ambient temperature's regulation and the improvement of room air quality to through setting up the air handling unit to the structure including second heat exchanger part, can carry out reintroduction to indoor after the heat transfer to the new trend of following outdoor introduction, thereby when realizing that room air quality improves, can guarantee to refrigerate/heat the effect. In addition, the second fan assembly of the air processing unit is arranged at the downstream of the second heat exchanger part in the airflow flowing direction, so that airflow heat exchange is uniform and noise is low.

According to some embodiments of the utility model, first fan subassembly includes at least one kind in axial fan wheel, disrotatory wind wheel and the oblique flow wind wheel, the second fan subassembly includes centrifugal wind wheel, axial fan wheel or oblique flow wind wheel.

According to some embodiments of the invention, the first heat exchanger component extends in a vertical direction; the second heat exchanger element extends in a vertical direction, or the second heat exchanger element extends in a direction from top to bottom and is inclined backwards.

According to some embodiments of the invention, the second fan assembly comprises an axial flow wind wheel or an oblique flow wind wheel, the second heat exchanger component extends in a vertical direction.

According to some embodiments of the utility model, the second fan subassembly includes centrifugal wind wheel, the second heat exchanger part is inclined towards the slope backward and is extended in the direction from top to bottom.

According to some embodiments of the utility model, the second holds the intracavity and is equipped with the baffle, the bottom of second heat exchanger part sets up the second water collector, the baffle is located one side on the horizontal direction of second water collector, the baffle with the second water collector will jointly the second holds the chamber separation and is intake chamber and air-out chamber, the new trend import forms on the lateral wall in intake chamber, the second air outlet forms on the lateral wall in air-out chamber.

According to some embodiments of the utility model, be formed with on the casing with the second holds the second return air inlet of chamber intercommunication, but second fan subassembly drive air current follow the second return air inlet gets into the second hold the intracavity with follow behind the second heat exchanger part heat transfer the second air outlet blows out.

The utility model discloses a some optional embodiments, be formed with on the casing with the second holds the third return air inlet that the chamber communicates, but second fan subassembly drive air current follow the third return air inlet gets into the second hold the intracavity with follow after the heat transfer of second heat exchanger part the second air outlet blows out, third return air inlet department is equipped with and is used for opening and closing the switch door of third return air inlet.

Optionally, the second air return opening is arranged above the fresh air inlet, and the third air return openings are arranged on the left side and the right side of the fresh air inlet.

Optionally, a purification component for purifying air is arranged in the second accommodating cavity, the purification component is located at the upstream of the second heat exchanger component in the airflow flowing direction, and the second air return inlet and the fresh air inlet are both arranged opposite to the purification component.

Further, a replacement port communicating with the second accommodation chamber is formed in the housing, and the purge member may be inserted into the second accommodation chamber through the replacement port or may be removed from the second accommodation chamber through the replacement port.

According to some embodiments of the utility model, first air outlet with the second air outlet all is located the front side of casing, first air outlet with the second air outlet is arranged along upper and lower direction or left and right sides direction, perhaps the second air outlet is located the periphery side of first air outlet.

According to the utility model discloses a some embodiments, first air outlet includes at least a set of first sub-air outlet group, every group first sub-air outlet group includes a plurality of first sub-air outlets, the second air outlet includes at least a set of second sub-air outlet group, every group second sub-air outlet group includes a plurality of second sub-air outlets, first sub-air outlet group with second sub-air outlet group is along upper and lower direction or left and right sides direction arrangement.

In some optional embodiments of the present invention, a first wind guiding assembly is disposed in the first sub-air outlet, a second wind guiding assembly is disposed in the second sub-air outlet, and a wind guiding structure of the first wind guiding assembly is the same as or different from a wind guiding structure of the second wind guiding assembly.

In some optional embodiments of the present invention, the first air outlet includes at least two first sub air outlet groups arranged along the up-down direction, the first fan assembly includes a plurality of first wind wheels, the number of the first wind wheels is the same as the number of the first sub air outlets and corresponds to the first sub air outlets one by one, the first wind wheel corresponding to the first sub air outlet group located at the uppermost position is a counter-rotating wind wheel, and the first wind wheel corresponding to the first sub air outlet group located at the lowermost position is an axial-flow wind wheel or an oblique-flow wind wheel; the second fan assembly comprises a second wind wheel, the second wind wheel is a centrifugal wind wheel, or the second fan assembly comprises a plurality of second wind wheels, the number of the second wind wheels is equal to that of the second sub air outlets, the second wind wheels correspond to the second sub air outlets one by one, and the second wind wheels are axial flow wind wheels or oblique flow wind wheels.

According to some embodiments of the present invention, the first heat exchanger component and the second heat exchanger component are independent formed pieces, respectively, a first water pan is disposed between the first heat exchanger component and the second heat exchanger component, and the first water pan divides an inner cavity of the casing into the first accommodating chamber and the second accommodating chamber which are separated from each other; alternatively, the first heat exchanger component and the second heat exchanger component are integrally formed.

According to some embodiments of the present invention, a first electric auxiliary heating element is disposed in the first accommodating chamber, the first electric auxiliary heating element is connected to the first heat exchanger component, and the first electric auxiliary heating elements are plural and arranged in the up-down direction or the left-right direction; and/or a second electric auxiliary heating element is arranged in the second accommodating cavity and connected to the second heat exchanger component.

According to the utility model discloses air conditioner of second aspect embodiment includes: according to the utility model discloses machine in the air conditioning of above-mentioned first aspect embodiment.

According to the utility model discloses air conditioner through setting up foretell air conditioning indoor set, when realizing through the introduction new trend in order to improve the room air quality, can guarantee to refrigerate/heat the effect. And the air flow heat exchange of the air processing unit of the air conditioner indoor unit is uniform and the working noise is low.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic perspective view of an indoor unit of an air conditioner according to some embodiments of the present invention;

fig. 2 is a perspective view of another angle of the air conditioning indoor unit of fig. 1;

fig. 3 is a schematic view of an internal structure of an indoor unit of an air conditioner according to some embodiments of the present invention;

fig. 4 is a schematic view of the internal structure of the air conditioning indoor unit of fig. 3 at another angle;

fig. 5 is a sectional view of the indoor unit of the air conditioner in fig. 3;

fig. 6 is a schematic view of an internal structure of an indoor unit of an air conditioner according to other embodiments of the present invention;

fig. 7 is a schematic view showing another angle of the inner structure of the indoor unit of the air conditioner in fig. 6;

fig. 8 is a sectional view of the air conditioning indoor unit in fig. 6.

Reference numerals:

an indoor air-conditioning unit 100;

a housing 10;

a first accommodation chamber 11; a first air return opening 111; a first air outlet 112; the first sub-outlet group 112 a; the first sub-air outlet 1121; a first air guiding assembly 1122;

a second accommodating chamber 12; an air inlet chamber 12 a; an air outlet cavity 12 b; a second air return opening 121; a second outlet 122; the second sub-outlet group 122 a; the second sub-outlet 1221; a second air guide assembly 1222; a third return air inlet 123; opening and closing the door 1231; a fresh air inlet 124; a pod 1241; a fresh air inlet 12411; a replacement port 125;

an indoor heat exchange unit 20; a first wind wheel 21; a first heat exchanger component 22; a first electric auxiliary heating element 23; a first drip tray 24;

an air handling unit 30; a second wind wheel 31; a second heat exchanger component 32; a second electric auxiliary heating element 33; a second drip tray 34; a drain pipe 341; a purge member 35; a humidification module 36; a partition 37;

a display module 40; a first electronic control box assembly 50; a second electronic control box assembly 60.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

An air conditioning indoor unit 100 according to an embodiment of the present invention is described below with reference to the accompanying drawings.

Referring to fig. 1 to 3 and 6, an air conditioner indoor unit 100 according to an embodiment of the present invention includes: a cabinet 10, an indoor heat exchange unit 20, and an air handling unit 30.

The housing 10 defines a first receiving chamber 11 and a second receiving chamber 12 spaced apart from each other, and the first receiving chamber 11 and the second receiving chamber 12 may be arranged in a vertical direction or a horizontal direction, for example, the first receiving chamber 11 may be located above the second receiving chamber 12. A first air return opening 111 and a first air outlet opening 112 communicated with the first accommodating cavity 11 are formed on the casing 10, and a second air outlet opening 122 and a fresh air inlet opening 124 communicated with the second accommodating cavity 12 are formed on the casing 10. The first air return opening 111, the first air outlet opening 112 and the second air outlet opening 122 can be communicated with an indoor environment, and the fresh air inlet opening 124 can be communicated with an outdoor environment.

Alternatively, the first air return opening 111 and the fresh air inlet 124 may be formed at the rear side of the cabinet 10, and the fresh air inlet 124 may be formed below the first air return opening 111; the first outlet 112 and the second outlet 122 may be located at the front side of the cabinet 10, and the first outlet 112 may be located above the second outlet 122.

Alternatively, an air intake grille may be provided at the first return air opening 111.

Optionally, a filtering and purifying module may be disposed at the first air return opening 111, and the filtering and purifying module may include at least one of an IFD electrostatic dust collecting net, a HEPA net, and a formaldehyde removing module.

Optionally, a diversion cover 1241 may be disposed at the fresh air inlet 124, a plurality of fresh air inlet holes 12411 may be formed on the diversion cover 1241, when outdoor air enters the fresh air inlet 124, the outdoor air may flow into the second accommodating cavity 12 through the plurality of fresh air inlet holes 12411 on the diversion cover 1241, and the diversion cover 1241 may play a role in diversion.

The indoor heat exchange unit 20 is disposed in the first accommodating cavity 11, the indoor heat exchange unit 20 includes a first fan assembly and a first heat exchanger component 22, and the first fan assembly can drive airflow to enter the first accommodating cavity 11 from the first air return opening 111 to exchange heat with the first heat exchanger component 22 and then blow out from the first air outlet 112. When the indoor unit 100 of the air conditioner is in operation, the first fan assembly can drive indoor air to enter the first accommodating cavity 11 from the first air return opening 111, and after exchanging heat with the first heat exchanger component 22, the indoor air is blown out to the indoor from the first air outlet 112, so that the indoor ambient temperature can be adjusted.

The air processing unit 30 is disposed in the second accommodating chamber 12, the air processing unit 30 includes a second fan assembly and a second heat exchanger component 32, the second fan assembly is disposed downstream of the second heat exchanger component 32 in the airflow flowing direction, and the second fan assembly can drive the airflow to enter the second accommodating chamber 12 from the fresh air inlet 124, exchange heat with the second heat exchanger component 32, and then blow out from the second air outlet 122. Drive outdoor air at second fan subassembly and get into the second from new trend import 124 and hold the chamber 12 in to blow off to indoor from second air outlet 122 after the heat transfer with second heat exchanger part 32, through introducing outdoor new trend indoor from this, can reduce indoor carbon dioxide concentration, can improve indoor environmental quality, and because discharge indoor again after the new trend heat transfer of introducing, can guarantee the air conditioner refrigeration/effect of heating.

In addition, by arranging the second fan assembly of the air processing unit 30 at the downstream of the second heat exchanger part 32 in the airflow flowing direction, the outdoor air enters the second accommodating cavity 12 from the fresh air inlet 124 and exchanges heat with the second heat exchanger part 32, and the fresh air after heat exchange is pressurized and accelerated by the second fan assembly and then is blown to the indoor through the second air outlet 122. From this, through establishing the second fan subassembly in second heat exchanger part 32 the ascending low reaches of air current flow direction, form the setting of induced drafting, with the setting of blowing towards the heat exchanger, can make the second that gets into hold intracavity 12 air current more for passing through second heat exchanger part 32 uniformly, the heat transfer is even, and make the utilization of second heat exchanger part 32 more abundant, heat exchange efficiency and heat transfer effect have been improved, and because the second fan subassembly is induced drafting from second heat exchanger part 32 place region, can reduce the air current noise that flows, thereby can reduce the noise of working of machine 100 in the air conditioning.

Alternatively, the first fan assembly and the second fan assembly may each be independently controlled.

Alternatively, when the air conditioner is in operation, only the first fan assembly may be turned on, and the first fan assembly may drive indoor air to enter the first accommodating cavity 11 from the first air return opening 111, and after exchanging heat with the first heat exchanger component 22, the indoor air is blown out to the indoor from the first air outlet 112, so that the indoor ambient temperature may be adjusted. Or, when the air conditioner works, the first fan assembly and the second fan assembly may work, the first fan assembly may drive indoor air to enter the first accommodating cavity 11 from the first air return opening 111, and blow out to the indoor from the first air outlet 112 after exchanging heat with the first heat exchanger component 22, and simultaneously the second fan assembly drives outdoor air to enter the second accommodating cavity 12 from the fresh air inlet 124, and blow out to the indoor from the second air outlet 122 after exchanging heat with the second heat exchanger component 32, so that the cooling/heating effect can be ensured while introducing fresh air to improve the indoor air quality.

Optionally, the fresh air inlet 124 can be provided with a door for opening and closing the fresh air inlet 124, and the fresh air inlet 124 can be opened or closed by controlling the door according to whether fresh air is introduced. For example, when new wind needs to be introduced, the new wind inlet 124 can be opened, the second fan assembly works, outdoor air entering from the new wind inlet 124 flows into the second accommodating cavity 12 and exchanges heat with the second heat exchanger component 32, and then is blown out to the indoor space from the second air outlet 122, so that the effect of cooling/heating can be ensured while the new wind is introduced to improve the indoor air quality. For another example, the fresh air inlet 124 may also be closed when fresh air does not need to be introduced, at which time the second fan assembly may not be operating.

Optionally, the indoor unit 100 of the air conditioner may further include a display module 40, the display module 40 may be configured to display a current set temperature, a current wind speed, a cooling and heating state, and the like, and the display module 40 may be disposed in the first accommodating cavity 11 and located above the first fan assembly. Further, the air-conditioning indoor unit 100 may further include a first electronic control box assembly 50 and a second electronic control box assembly 60, the first electronic control box assembly 50 may be disposed in the first accommodating cavity 11 and located above the first fan assembly, the first electronic control box assembly 50 may be disposed at the rear side of the display module 40, the second electronic control box assembly 60 may be disposed in the second accommodating cavity 12, and the second electronic control box assembly 60 may be located below the second fan assembly. The first electronic control box assembly 50 and the second electronic control box assembly 60 are electrically connected, the display module 40 and the first fan assembly can be electrically connected with the first electronic control box assembly 50, and the second fan assembly can be electrically connected with the second electronic control box assembly 60.

Optionally, the air processing unit 30 may further include a humidifying module 36, the humidifying module 36 is disposed in the second accommodating chamber 12, the humidifying module 36 may be located below the first fan assembly, and the air entering from the fresh air inlet 124 may be humidified by the humidifying module 36 to adjust the indoor ambient humidity.

According to the utility model discloses indoor set of air conditioner 100 through the indoor heat exchange unit 20 and the air handling unit 30 that set up, can realize indoor ambient temperature's regulation and the improvement of room air quality to through setting up air handling unit 30 to the structure including second heat exchanger part 32, can carry out the reintroduction to indoor after the heat transfer to the new trend of following outdoor introduction, thereby when realizing that room air quality improves, can guarantee to refrigerate/heat the effect. In addition, by disposing the second fan assembly of the air handling unit 30 downstream of the second heat exchanger component 32 in the airflow flow direction, the airflow heat exchange can be made uniform and less noisy.

According to some embodiments of the present invention, referring to fig. 3-8, the first fan assembly comprises at least one of an axial flow wind wheel, a counter-rotating wind wheel and a diagonal flow wind wheel, and the second fan assembly comprises a centrifugal wind wheel, an axial flow wind wheel or a diagonal flow wind wheel. For example, the first fan assembly may include only one of an axial flow wind wheel, a counter-rotating wind wheel, and a diagonal flow wind wheel, the first fan assembly may also include only two of an axial flow wind wheel, a counter-rotating wind wheel, and a diagonal flow wind wheel, or the first fan assembly may include an axial flow wind wheel, a counter-rotating wind wheel, and a diagonal flow wind wheel. Therefore, the first fan assembly can drive larger air volume to enter the first accommodating cavity 11 for heat exchange and then flow out of the first air outlet 112 to the indoor, so that the refrigerating/heating efficiency can be improved, and the refrigerating/heating effect can be improved; through setting up the second fan subassembly to include centrifugal wind wheel, axial compressor wind wheel or oblique flow wind wheel, can increase wind pressure or amount of wind, introduce indoor with outdoor air better.

When the first fan assembly comprises the contra-rotating wind wheels, the contra-rotating wind wheels comprise two coaxially arranged wind wheels, the rotating directions of the two wind wheels are opposite, namely the inclination directions of blades of the two wind wheels are opposite, and each wind wheel in the contra-rotating wind wheels can be an axial-flow wind wheel or an oblique-flow wind wheel.

Wherein, two wind wheels in the disrotatory wind wheel can be rotated by the motor drive of difference, through the rotation direction and the rotational speed of controlling two wind wheels in the disrotatory wind wheel respectively, can realize different air supply modes. When the rotating directions of the two wind wheels in the contra-rotating wind wheels are opposite, the air outlet directions of the two wind wheels in the contra-rotating wind wheels are the same, and when the rotating directions of the two wind wheels in the contra-rotating wind wheels are opposite and the rotating speeds are substantially the same, the contra-rotating wind wheels can realize a remote air supply effect; when the rotating speeds of the two wind wheels in the counter-rotating wind wheels are different greatly (at the moment, the rotating directions of the two wind wheels in the counter-rotating wind wheels can be opposite or the same), the airflow can be scattered in the process of flowing through the counter-rotating wind wheels, and therefore the wind supply effect without wind sense or soft wind sense can be achieved for the counter-rotating wind wheels.

According to some embodiments of the present invention, referring to fig. 3-8, the first heat exchanger component 22 extends in a vertical direction; the second heat exchanger element 32 extends in a vertical direction, or the second heat exchanger element 32 extends inclined rearward in a direction from top to bottom. Therefore, the first heat exchanger 22 and the second heat exchanger 32 are simple and convenient to arrange, and the arrangement and arrangement of the parts in the casing 10 are also convenient.

According to some embodiments of the present invention, referring to fig. 3-5, the second fan assembly comprises an axial flow wind wheel or a diagonal flow wind wheel, the second heat exchanger component 32 extending in a vertical direction. Therefore, through the matching of the axial flow wind wheel and the second heat exchanger part 32 which vertically extends, the structure of the air processing unit 30 is compact, the volume of the whole machine is favorably reduced, the structure of the air channel is reasonable, and the air flow is favorably flowed. Moreover, the second fan assembly comprises an axial flow wind wheel or an oblique flow wind wheel, so that the air output of the second air outlet 122 is relatively large.

According to some embodiments of the present invention, referring to fig. 6-8, the second fan assembly comprises a centrifugal wind wheel, and the second heat exchanger component 32 extends backwards in a direction from top to bottom, towards the rear. Therefore, through the matching of the centrifugal wind wheel and the second heat exchanger part 32 extending obliquely backwards, the structure of the air processing unit 30 is compact, the volume of the whole machine is favorably reduced, the structure of the air channel is reasonable, and the air flow is favorably realized. And, through including centrifugal wind wheel with the second fan subassembly, can increase the wind pressure, introduce indoor outdoor air better.

According to some embodiments of the utility model, referring to fig. 3-8, the second holds and is equipped with baffle 37 in the chamber 12, the bottom of second heat exchanger part 32 sets up second water collector 34, second water collector 34 is used for receiving the comdenstion water that produces on the second heat exchanger part 32, baffle 37 is located the ascending one side of horizontal direction of second water collector 34, baffle 37 and second water collector 34 hold the chamber 12 with the second jointly and separate for air inlet chamber 12a and air-out chamber 12b, new trend import 124 forms on the lateral wall in air inlet chamber 12a, second air outlet 122 forms on the lateral wall in air-out chamber 12 b. Therefore, the second accommodating cavity 12 can be conveniently divided into the air inlet cavity 12a and the air outlet cavity 12b by the first water receiving tray 24 and the arranged partition plate 37, and air flow entering the second accommodating cavity 12 can be better prevented from flowing out without heat exchange.

According to some embodiments of the present invention, referring to fig. 2, fig. 4 and fig. 7, a second air return opening 121 communicated with the second accommodating cavity 12 is formed on the casing 10, the second air return opening 121 can be located below the first air return opening 111, and the second fan assembly can drive the air flow to enter the second accommodating cavity 12 from the second air return opening 121 and blow out from the second air outlet 122 after exchanging heat with the second heat exchanger component 32. When the second fan assembly works, the second fan assembly can drive indoor air to enter the second accommodating cavity 12 from the second air return opening 121, and the indoor air is blown out to the indoor from the second air outlet 122 after exchanging heat with the second heat exchanger part 32, so that the indoor environment temperature can be adjusted. By adding the second air return opening 121, the indoor air return quantity can be increased, and the cooling/heating efficiency of the air conditioner can be improved. Wherein, when the partition 37 is provided in the second accommodating chamber 12, the second air return opening 121 is formed on the sidewall of the air inlet chamber 12 a.

When the fresh air inlet 124 is provided with a door body for opening and closing the fresh air inlet 124, the fresh air inlet 124 can be opened or closed by controlling the door body according to the requirement whether to introduce fresh air. For example, when fresh air needs to be introduced, the fresh air inlet 124 can be opened, the second fan assembly works, outdoor air entering from the fresh air inlet 124 and indoor air entering from the second air return opening 121 both flow into the second accommodating cavity 12 and are mixed in the second accommodating cavity 12, and after mixing, the outdoor air exchanges heat with the second heat exchanger part 32 and is blown out to the indoor space from the second air outlet 122, so that the cooling/heating effect can be ensured while the fresh air is introduced to improve the quality of the indoor air. For another example, when fresh air does not need to be introduced, the fresh air inlet 124 may also be closed, at this time, the second fan assembly may not work or operate, when the second fan assembly operates, indoor air entering from the second air return opening 121 exchanges heat with the second heat exchanger part 32, and then is blown out to the indoor space from the second air outlet 122, and at this time, the air processing unit 30 may play a role in adjusting the indoor temperature.

Alternatively, an air intake grille may be provided at the second return air opening 121.

Alternatively, when the air conditioning indoor unit 100 includes the humidification module 36, the air entering from the second air return opening 121 may be humidified by the humidification module 36 to adjust the indoor environment humidity.

In some optional embodiments of the present invention, referring to fig. 1 and fig. 2, a third air return opening 123 communicating with the second accommodating cavity 12 is formed on the casing 10, the second fan assembly can drive the air flow to enter the second accommodating cavity 12 from the third air return opening 123 and blow out from the second air outlet 122 after exchanging heat with the second heat exchanger component 32, and a switch door 1231 for opening and closing the third air return opening 123 is arranged on the third air return opening 123. When the air conditioner works, the second fan assembly can drive indoor air to enter the second accommodating cavity 12 from the third air return opening 123, and the indoor air is blown out to the indoor from the second air outlet 122 after exchanging heat with the second heat exchanger component 32. Accordingly, the third return air inlet 123 can further increase the indoor return air volume, thereby further improving the cooling/heating efficiency. Also, by providing the opening and closing door 1231 for opening and closing the third return air opening 123 at the third return air opening 123, the indoor return air amount can be controlled and adjusted by controlling the opening and closing of the third return air opening 123. Wherein, when the partition 37 is provided in the second accommodating chamber 12, the third air return opening 123 is formed on the side wall of the air inlet chamber 12 a.

Alternatively, the partition 37 may be a single piece placed in the second accommodating chamber 12, or a part of the air outlet frame of the air processing unit 30 may constitute the partition 37.

Optionally, the switch door 1231 is rotatably disposed at the third air return opening 123, and the switch door 1231 of the third air return opening 123 can be conveniently opened and closed by the rotation of the switch door 1231, and the air intake angle and the opening degree of the third air return opening 123 can also be adjusted.

Optionally, a filtering and purifying module may be disposed at the third air return opening 123, and the filtering and purifying module may include at least one of an IFD electrostatic dust collecting net, a HEPA net, and a formaldehyde removing module.

Alternatively, when the air conditioning indoor unit 100 includes the humidification module 36, the air entering from the third air return opening 123 may be humidified by the humidification module 36 to adjust the indoor environment humidity.

Alternatively, referring to fig. 2, the second air return opening 121 is disposed above the fresh air inlet 124, and the third air return openings 123 are disposed on the left and right sides of the fresh air inlet 124. Therefore, the second air return opening 121, the third air return opening 123 and the fresh air inlet 124 are reasonable in distribution position on the casing 10, and the fresh air inlet 124 is convenient to connect with a fresh air pipe for introducing outdoor air.

Optionally, referring to fig. 3 to 8, a purifying component 35 for purifying air is disposed in the second accommodating chamber 12, the purifying component 35 is located upstream of the second fan assembly in the airflow flowing direction, and the second air return opening 121 and the fresh air inlet 124 are both disposed opposite to the purifying component 35. Therefore, the indoor air entering from the second air return opening 121 and the outdoor air entering from the fresh air inlet 124 can be purified by providing the purifying member 35, and the number of parts can be reduced and the assembling process of the indoor unit 100 of the air conditioner can be simplified by making the second air return opening 121 and the fresh air inlet 124 share the same purifying member 35.

Alternatively, the purification part 35 may include at least one of an IFD electrostatic precipitation net, a HEPA net, and a formaldehyde removal module.

Further, referring to fig. 2, 4 and 7, the casing 10 is formed with a replacement port 125 communicating with the second receiving chamber 12, and the purification member 35 may be inserted into the second receiving chamber 12 through the replacement port 125 or the purification member 35 may be taken out from the second receiving chamber 12 through the replacement port 125. Thus, the replacement port 125 provided in the casing 10 facilitates the attachment, detachment, replacement, and maintenance of the purge member 35.

According to some embodiments of the present invention, referring to fig. 1, 3 and 6, the first air outlet 112 and the second air outlet 122 are both located at the front side of the casing 10, and the first air outlet 112 and the second air outlet 122 are arranged along the up-down direction or the left-right direction, thereby facilitating the arrangement of the first air outlet 112 and the second air outlet 122. Or, the first air outlet 112 and the second air outlet 122 are both located at the front side of the casing 10, and the second air outlet 122 may be located at the outer peripheral side of the first air outlet 112, so that the air outlet positions of the first air outlet 112 and the second air outlet 122 are relatively concentrated by nesting the first air outlet 112 and the second air outlet 122.

According to some embodiments of the present invention, referring to fig. 1, 3 and 6, the first air outlet 112 includes at least one first sub air outlet group 112a, each first sub air outlet group 112a includes a plurality of first sub air outlets 1121, the second air outlet 122 includes at least one second sub air outlet group 122a, each second sub air outlet group 122a includes a plurality of second sub air outlets 1221, and the first sub air outlet group 112a and the second sub air outlet group 122a are arranged along the vertical direction or the horizontal direction. For example, when the first sub-outlet groups 112a are multiple groups and the second sub-outlet groups 122a are multiple groups, the multiple groups of the first sub-outlet groups 112a are arranged along the vertical direction and the multiple groups of the second sub-outlet groups 122a are arranged along the vertical direction, or the multiple groups of the first sub-outlet groups 112a are arranged along the horizontal direction and the multiple groups of the second sub-outlet groups 122a are arranged along the horizontal direction. For another example, the first sub-outlet group 112a and the second sub-outlet group 122a are a group, and the first sub-outlet group 112a and the second sub-outlet group 122a are arranged along the vertical direction or the horizontal direction. For another example, when the first sub-outlet groups 112a are a plurality of groups and the second sub-outlet groups 122a are a group, the plurality of groups of first sub-outlet groups 112a are arranged along the vertical direction or the horizontal direction, and the group of second sub-outlet groups 122a and the plurality of groups of first sub-outlet groups 112a are arranged along the same direction. Through setting up first air outlet 112 and second air outlet 122 to the structure that includes a plurality of sub-air outlets, can make the air-out more even, avoid the air-out too concentrated. In addition, the first sub-outlet group 112a and the second sub-outlet group 122a are arranged along the vertical direction or the horizontal direction, so that the arrangement of the air outlet structure is simple, and the integrity is stronger.

It should be noted that, the "multiple groups" of the present invention means two or more groups, and the "multiple groups" of the present invention means two or more groups.

In some optional embodiments of the present invention, referring to fig. 1 and fig. 3, a first wind guiding assembly 1122 is disposed in the first sub-air outlet 1121, a second wind guiding assembly 1222 is disposed in the second sub-air outlet 1221, a wind guiding structure of the first wind guiding assembly 1122 is the same as a wind guiding structure of the second wind guiding assembly 1222, for example, both the wind guiding structure of the first wind guiding assembly 1122 and the wind guiding structure of the second wind guiding assembly 1222 may be a grid structure. From this, through set up wind-guiding structure in the air outlet, can adjust air-out direction, air-out effect etc to make first wind-guiding component 1122's wind-guiding structure the same with second wind-guiding component 1222's wind-guiding structure, can simplify the structure, can make the wholeness of complete machine stronger simultaneously.

In other optional embodiments of the present invention, referring to fig. 6, a first wind guiding assembly 1122 is disposed in the first sub-air outlet 1121, a second wind guiding assembly 1222 is disposed in the second sub-air outlet 1221, and a wind guiding structure of the first wind guiding assembly 1122 is different from a wind guiding structure of the second wind guiding assembly 1222. For example, the air guiding structure of the first air guiding assembly 1122 is a grid structure, and the air guiding structure of the second air guiding assembly 1222 includes a plurality of rotatable louvers. Therefore, by providing the air guide structure in the air outlet, the air outlet direction, the air outlet effect, and the like can be adjusted, and the air guide structure of the first air guide component 1122 is different from the air guide structure of the second air guide component 1222, so that the air outlet effects of the first sub air outlet 1121 and the second sub air outlet 1221 are different.

In some optional embodiments of the present invention, referring to fig. 3 to 5, the first air outlet 112 includes at least two first sub air outlet groups 112a arranged along the up-down direction, the first fan assembly includes a plurality of first wind wheels 21, the number of the first wind wheels 21 is the same as the number of the first sub air outlets 1121, and the first wind wheels 21 corresponding to the first sub air outlet group 112a located at the top are contra-rotating wind wheels, and the first wind wheels 21 corresponding to the first sub air outlet group 112a located at the bottom are axial flow wind wheels or diagonal flow wind wheels; the second fan assembly comprises a plurality of second wind wheels 31, the number of the second wind wheels 31 is the same as that of the second sub-air outlets 1221, and the second wind wheels 31 correspond to each other one by one, and are axial flow wind wheels or oblique flow wind wheels. Therefore, the first air outlet 112 includes at least two first sub air outlet groups 112a arranged in the up-down direction, and the number of the first wind wheels 21 is the same as that of the first sub air outlets 1121, and the first wind wheels correspond to the first sub air outlets 1121 one by one, so that the airflow driving power of the indoor heat exchange unit 20 can be improved, and the cooling/heating efficiency and effect of the indoor heat exchange unit 20 are improved; moreover, the first wind wheel 21 corresponding to the first sub-air outlet group 112a located at the lowermost position is set to be an axial flow wind wheel or an oblique flow wind wheel, so that the air can be supplied from a long distance to the first air outlet group 112a located at the lowermost position, and the first wind wheel 21 corresponding to the first sub-air outlet group 112a located at the uppermost position is a counter-rotating wind wheel, so that the air can be supplied from the first sub-air outlet group 112a located at the uppermost position at a longer distance, and thus, the air can be discharged from the plurality of first sub-air outlet groups 112a at multiple levels in the upper and lower directions, the air outlet effect is more three-dimensional, and the indoor temperature can be. And, through setting up the second fan subassembly to include a plurality of second wind wheels 31, second wind wheel 31 can be for axial compressor wind wheel or oblique flow wind wheel, realizes introducing the new trend and improves indoor air quality and guarantees to refrigerate/heat the effect when, can also make the wholeness of complete machine stronger.

Optionally, the first wind wheels 21 corresponding to each first sub-air outlet group 112a may be controlled synchronously, or may be controlled separately, and the first wind wheels 21 corresponding to each first sub-air outlet 1121 may be controlled separately and independently; the second wind wheels 31 corresponding to each second sub-air outlet group 122a may be controlled synchronously or independently, and the second wind wheels 31 corresponding to each second sub-air outlet 1221 may be controlled independently.

In other optional embodiments of the present invention, referring to fig. 6-8, the first air outlet 112 includes at least two first sub air outlet groups 112a arranged along the up-down direction, the first fan assembly includes a plurality of first wind wheels 21, the number of the first wind wheels 21 is the same as the number of the first sub air outlets 1121, and the first wind wheels 21 corresponding to the first sub air outlet group 112a located at the top are contra-rotating wind wheels, and the first wind wheels 21 corresponding to the first sub air outlet group 112a located at the bottom are axial flow wind wheels or diagonal flow wind wheels; the second wind wheel assembly comprises a second wind wheel 31, and the second wind wheel 31 is a centrifugal wind wheel. Therefore, the first air outlet 112 includes at least two first sub air outlet groups 112a arranged in the up-down direction, and the number of the first wind wheels 21 is the same as that of the first sub air outlets 1121, and the first wind wheels correspond to the first sub air outlets 1121 one by one, so that the airflow driving power of the indoor heat exchange unit 20 can be improved, and the cooling/heating efficiency and effect of the indoor heat exchange unit 20 are improved; moreover, the first wind wheel 21 corresponding to the first sub-air outlet group 112a located at the lowermost position is set to be an axial flow wind wheel or an oblique flow wind wheel, so that the air can be supplied from a long distance to the first air outlet group 112a located at the lowermost position, and the first wind wheel 21 corresponding to the first sub-air outlet group 112a located at the uppermost position is a counter-rotating wind wheel, so that the air can be supplied from the first sub-air outlet group 112a located at the uppermost position at a longer distance, and thus, the air can be discharged from the plurality of first sub-air outlet groups 112a at multiple levels in the upper and lower directions, the air outlet effect is more three-dimensional, and the indoor temperature can be. And, through setting up the second fan subassembly to include a first wind wheel 21, first wind wheel 21 can be centrifugal wind wheel, realizes introducing the new trend and improves indoor air quality and guarantees the refrigeration/effect of heating, can simplify the complete machine structure, reduce cost.

Optionally, the first wind wheels 21 corresponding to each first sub-air outlet group 112a may be controlled synchronously or independently, and the first wind wheels 21 corresponding to each first sub-air outlet 1121 may be controlled independently.

According to some embodiments of the present invention, referring to fig. 5 and 8, the first heat exchanger component 22 and the second heat exchanger component 32 are independent formed pieces, respectively, the first water pan 24 is disposed between the first heat exchanger component 22 and the second heat exchanger component 32, and the first water pan 24 separates the inner cavity of the casing 10 into the first accommodating cavity 11 and the second accommodating cavity 12 which are separated from each other. From this, through independently machine-shaping respectively with first heat exchanger part 22 and second heat exchanger part 32, can reduce the processing degree of difficulty of first heat exchanger part 22 and second heat exchanger part 32, and through set up first water collector 24 between first heat exchanger part 22 and second heat exchanger part 32, the comdenstion water that produces on first heat exchanger part 22 can be received to first water collector 24, first water collector 24 can conveniently separate the inner chamber of casing 10 for the first chamber 11 and the second chamber 12 that holds that separate each other simultaneously, when first water collector 24 realizes receiving the effect of comdenstion water, can regard as the separator to use, saved and set up the separator in addition in casing 10 and separated the inner chamber of casing 10 for the first chamber 11 that holds and the second chamber 12 that hold that separate each other.

Optionally, the first heat exchanger element 22 is disposed above the second heat exchanger element 32, and a second water-tray 34 is disposed at the bottom of the second heat exchanger element 32, the second water-tray 34 being configured to receive the condensed water produced by the second heat exchanger element 32. The condensed water collected in the first drip tray 24 may be discharged to the second heat exchanger part 32 and flow down the second heat exchanger part 32 to the second drip tray 34, and the water in the second drip tray 34 may be discharged through the drain pipe 341.

Alternatively, where the first and second heat exchanger elements 22, 32 are separately formed elements, the first and second heat exchanger elements 22, 32 may be arranged in series, with the heat exchange tubes of the first heat exchanger element 22 being connected in series with the heat exchange tubes of the second heat exchanger element 32, the first and second heat exchanger elements 22, 32 forming a larger, integrally controlled heat exchanger element; or, the first heat exchanger component 22 and the second heat exchanger component 32 are respectively independent formed parts, the first heat exchanger component 22 and the second heat exchanger component 32 can also be arranged in parallel, the heat exchange tubes of the first heat exchanger component 22 are connected with the heat exchange tubes of the second heat exchanger component 32 in parallel, and the first heat exchanger component 22 and the second heat exchanger component 32 can be respectively and independently controlled, so that one of the first heat exchanger component 22 and the second heat exchanger component 32 can be controlled to work or both the first heat exchanger component 22 and the second heat exchanger component 32 can be controlled to work according to the requirement of refrigeration/heating capacity.

According to other embodiments of the present invention, the first heat exchanger component 22 and the second heat exchanger component 32 are integrally formed, and the heat exchange tubes of the first heat exchanger component 22 and the second heat exchanger component 32 are integrally formed, so that the first heat exchanger component 22 and the second heat exchanger component 32 are integrally formed, and the heat exchange tubes of the first heat exchanger component 22 and the heat exchange tubes of the second heat exchanger component 32 can be regarded as being connected in series. Thus, the process of forming and assembling the first and second heat exchanger components 22 and 32 can be simplified.

According to some embodiments of the present invention, a first electric auxiliary heating element 23 is disposed in the first accommodating chamber 11, the first electric auxiliary heating element 23 is connected to the first heat exchanger component 22, and the first electric auxiliary heating elements 23 are plural and arranged in the up-down direction or the left-right direction; and/or a second electric auxiliary heating element 33 is arranged in the second accommodating cavity 12, and the second electric auxiliary heating element 33 is connected to the second heat exchanger part 32. For example, the first electric heater 23 may be provided only in the first housing chamber 11, the second electric heater 33 may be provided only in the second housing chamber 12, or the first electric heater 23 may be provided in the first housing chamber 11 and the second electric heater 33 may be provided in the second housing chamber 12. From this, through the first electric heat of assisting 23 and/or the second electric heat of assisting 33 that sets up, when the air conditioner heats, can improve heating efficiency and heating effect to through being a plurality of and along upper and lower direction or left and right sides orientation arrangement with first electric heat of assisting 23, can improve heating efficiency and can heat the air uniformity.

Alternatively, the second electric auxiliary heating member 33 is plural and arranged in the up-down direction or the left-right direction.

In some optional embodiments of the present invention, a first electric auxiliary heating element 23 is disposed in the first accommodating cavity 11, the first heat exchanger component 22 includes a first heat exchanger and first connecting plates connected to the left and right sides of the first heat exchanger, the first connecting plates are connected to the casing 10, the first connecting plates are used for connecting and fixing the first heat exchanger in the casing 10, and the first electric auxiliary heating element 23 is connected to the first connecting plates, thereby facilitating the installation and fixation of the first electric auxiliary heating element 23; and/or, a second electric auxiliary heating part 33 is arranged in the second accommodating cavity 12, the second heat exchanger part 32 comprises a second heat exchanger and a second connecting plate connected to the left side and the right side of the second heat exchanger, the second connecting plate is connected with the machine shell 10, the second connecting plate is used for connecting and fixing the second heat exchanger in the machine shell 10, and the second electric auxiliary heating part 33 is connected with the second connecting plate, so that the second electric auxiliary heating part 33 is convenient to install and fix.

According to the utility model discloses air conditioner of second aspect embodiment includes: according to the present invention, the indoor unit 100 of the air conditioner is provided. Alternatively, the air conditioner may be a split floor type air conditioner or a split wall type air conditioner, and the air conditioner includes the indoor unit 100 and the outdoor unit.

According to the utility model discloses air conditioner, through setting up foretell indoor set of air conditioner 100, when realizing through the introduction new trend in order to improve the room air quality, can guarantee to refrigerate/heat the effect. And the air flow heat exchange of the air processing unit 30 of the indoor unit 100 of the air conditioner is uniform and the working noise is low.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular 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 invention. In this specification, the schematic representations of the terms used above do not necessarily 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.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (18)

1. An indoor unit of an air conditioner, comprising:

the air conditioner comprises a machine shell, a first accommodating cavity and a second accommodating cavity are defined in the machine shell and are separated from each other, a first air return opening and a first air outlet which are communicated with the first accommodating cavity are formed in the machine shell, and a second air outlet and a fresh air inlet which are communicated with the second accommodating cavity are formed in the machine shell;

the indoor heat exchange unit is arranged in the first accommodating cavity and comprises a first fan assembly and a first heat exchanger component, and the first fan assembly can drive airflow to enter the first accommodating cavity from the first air return opening to exchange heat with the first heat exchanger component and blow out from the first air outlet;

the air processing unit is arranged in the second accommodating cavity and comprises a second fan assembly and a second heat exchanger component, the second fan assembly is arranged at the downstream of the second heat exchanger component in the airflow flowing direction, and the second fan assembly can drive airflow to enter the second accommodating cavity from the fresh air inlet to exchange heat with the second heat exchanger component and then blow out from the second air outlet.

2. An indoor unit of an air conditioner according to claim 1, wherein the first fan assembly includes at least one of an axial flow wind wheel, a counter-rotating wind wheel and an oblique flow wind wheel, and the second fan assembly includes a centrifugal wind wheel, an axial flow wind wheel or an oblique flow wind wheel.

3. An indoor unit of an air conditioner according to claim 1, wherein the first heat exchanger member extends in a vertical direction; the second heat exchanger element extends in a vertical direction, or the second heat exchanger element extends in a direction from top to bottom and is inclined backwards.

4. An indoor unit of an air conditioner according to claim 1, wherein the second fan assembly includes an axial flow wind wheel or an oblique flow wind wheel, and the second heat exchanger member extends in a vertical direction.

5. An indoor unit of an air conditioner according to claim 1, wherein the second fan assembly includes a centrifugal wind wheel, and the second heat exchanger member is inclined rearward in a direction from top to bottom.

6. An indoor unit of an air conditioner as claimed in claim 1, wherein a partition is provided in the second accommodating chamber, a second water pan is provided at the bottom of the second heat exchanger component, the partition is located at one side of the second water pan in the horizontal direction, the partition and the second water pan jointly divide the second accommodating chamber into an air inlet chamber and an air outlet chamber, the fresh air inlet is formed in a side wall of the air inlet chamber, and the second air outlet is formed in a side wall of the air outlet chamber.

7. An indoor unit of an air conditioner as claimed in claim 1, wherein a second air return opening communicated with the second accommodating chamber is formed in the casing, and the second fan assembly can drive airflow to enter the second accommodating chamber from the second air return opening, exchange heat with the second heat exchanger component and blow out from the second air outlet.

8. An indoor unit of an air conditioner as claimed in claim 7, wherein a third air return opening communicated with the second accommodating chamber is formed in the casing, the second fan assembly can drive airflow to enter the second accommodating chamber from the third air return opening to exchange heat with the second heat exchanger component and then blow out from the second air outlet, and an opening and closing door for opening and closing the third air return opening is arranged at the third air return opening.

9. An indoor unit of an air conditioner according to claim 8, wherein the second return air inlet is provided above the fresh air inlet, and the third return air inlets are provided on left and right sides of the fresh air inlet.

10. An indoor unit of an air conditioner according to claim 8, wherein a purifying member for purifying air is provided in the second accommodating chamber, the purifying member is located upstream of the second heat exchanger member in the airflow direction, and the second return air inlet and the fresh air inlet are both disposed opposite to the purifying member.

11. An indoor unit of an air conditioner according to claim 10, wherein a replacement port communicating with the second accommodation chamber is formed in the casing, and the purge member is insertable into the second accommodation chamber through the replacement port or removable from the second accommodation chamber through the replacement port.

12. An indoor unit of an air conditioner according to claim 1, wherein the first outlet and the second outlet are located on a front side of the casing, and the first outlet and the second outlet are arranged in a vertical direction or a horizontal direction, or the second outlet is located on an outer peripheral side of the first outlet.

13. The indoor unit of claim 1, wherein the first outlet includes at least one first sub-outlet group, each first sub-outlet group includes a plurality of first sub-outlets, the second outlet includes at least one second sub-outlet group, each second sub-outlet group includes a plurality of second sub-outlets, and the first sub-outlet group and the second sub-outlet group are arranged in an up-down direction or a left-right direction.

14. An indoor unit of an air conditioner as claimed in claim 13, wherein a first air guide assembly is provided in the first sub air outlet, a second air guide assembly is provided in the second sub air outlet, and an air guide structure of the first air guide assembly is the same as or different from an air guide structure of the second air guide assembly.

15. The indoor unit of claim 13, wherein the first air outlet comprises at least two first sub air outlet groups arranged in an up-down direction, the first fan assembly comprises a plurality of first wind wheels, the number of the first wind wheels is the same as that of the first sub air outlets, the first wind wheels correspond to the first sub air outlet groups one by one, the first wind wheels corresponding to the first sub air outlet group positioned at the uppermost position are counter-rotating wind wheels, and the first wind wheels corresponding to the first sub air outlet group positioned at the lowermost position are axial flow wind wheels or diagonal flow wind wheels; the second fan assembly comprises a second wind wheel, the second wind wheel is a centrifugal wind wheel, or the second fan assembly comprises a plurality of second wind wheels, the number of the second wind wheels is equal to that of the second sub air outlets, the second wind wheels correspond to the second sub air outlets one by one, and the second wind wheels are axial flow wind wheels or oblique flow wind wheels.

16. An indoor unit of an air conditioner according to claim 1, wherein the first heat exchanger element and the second heat exchanger element are respectively independent formed pieces, a first water pan is provided between the first heat exchanger element and the second heat exchanger element, and the first water pan divides the inner cavity of the cabinet into the first accommodating chamber and the second accommodating chamber which are separated from each other; alternatively, the first heat exchanger component and the second heat exchanger component are integrally formed.

17. An indoor unit of an air conditioner according to any one of claims 1 to 16, wherein a first electric auxiliary heating member is provided in the first accommodating chamber, the first electric auxiliary heating member is connected to the first heat exchanger member, and the first electric auxiliary heating member is plural and arranged in an up-down direction or a left-right direction; and/or a second electric auxiliary heating element is arranged in the second accommodating cavity and connected to the second heat exchanger component.

18. An air conditioner, comprising: the indoor unit of an air conditioner according to any one of claims 1 to 17.

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