CN218065139U

CN218065139U - Indoor unit of air conditioner

Info

Publication number: CN218065139U
Application number: CN202222581620.1U
Authority: CN
Inventors: 崔江涛; 王全亮; 李冠群; 李海鹏
Original assignee: Hisense Air Conditioning Co Ltd
Current assignee: Hisense Air Conditioning Co Ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2022-12-16
Anticipated expiration: 2032-09-28

Abstract

The utility model provides an indoor unit of air conditioner, include: the heat exchange air duct comprises a machine shell, a first air outlet and a second air outlet, wherein the machine shell is provided with an indoor air outlet which is positioned on the front side of the machine shell and communicated with a heat exchange air duct and a first fresh air outlet which is positioned on the upper side of the indoor air outlet, a containing cavity which is opposite to and communicated with the first fresh air outlet is arranged in the machine shell, the containing cavity is communicated with the heat exchange air duct through a bottom wall opening arranged on the bottom wall of the containing cavity, and one side, close to the heat exchange air duct, of the bottom wall of the containing cavity is provided with a flow guide part which is arranged on one side, far away from the indoor air outlet, of the bottom wall opening; fresh air module includes: a fresh air inlet; the fresh air shell is internally provided with a fresh air fan cavity; the fresh air fan is arranged in the fresh air fan cavity, outdoor fresh air enters the fresh air fan cavity through the fresh air inlet and then enters the accommodating cavity, and the fresh air in the accommodating cavity flows out of the first fresh air outlet, or a part of the fresh air in the accommodating cavity flows out of the first fresh air outlet and the other part of the fresh air enters the heat exchange air duct through the bottom wall opening; the efficiency that the air got into and holds the chamber can be improved to the setting water conservancy diversion portion.

Description

Indoor unit of air conditioner

Technical Field

The utility model belongs to the technical field of the air conditioner, especially, relate to an indoor unit of air conditioner.

Background

At present, the fresh air outlet of wall-mounted air conditioner indoor unit is mostly set up at the top of air conditioner indoor unit, and the visual relatively poor and ubiquitous problem of homogenization of fresh air-out causes user aesthetic fatigue, and the new trend function can't be experienced to the user audio-visually to little fresh air volume and obscure fresh air-out form.

In addition, when weather is colder winter and summer weather is hotter, the new trend air-out temperature is opposite with air conditioner air-out temperature, the new trend blows hot-blast summer and blows the pain point of numerous new trend air conditioners when cold wind winter, the new trend temperature and the difference in temperature that exists of indoor temperature, when the difference in temperature between new trend temperature and the indoor temperature is great, can make the user experience the air current of two kinds of different temperatures after opening the new trend, have more obvious uncomfortable sense, reduce user experience.

Moreover, the air deflector of the air conditioner can be opened when the fresh air module is opened in the existing air conditioner indoor unit, so that misunderstanding can be caused to a user, the user can misunderstand that refrigeration or heating of the air conditioner can be caused when only the fresh air module is opened, and power consumption is increased.

Disclosure of Invention

The present invention aims at solving at least one of the technical problems in the related art to a certain extent.

To this end, according to an embodiment of the present disclosure, an indoor unit of an air conditioner is provided, including:

the heat exchange air duct is arranged in the machine shell, an indoor air outlet which is positioned on the front side of the machine shell and communicated with the heat exchange air duct and a first fresh air outlet which is positioned on the upper side of the indoor air outlet are arranged on the machine shell, a containing cavity which is opposite to and communicated with the first fresh air outlet is arranged in the machine shell, the containing cavity is communicated with the heat exchange air duct through a bottom wall opening arranged on the bottom wall of the containing cavity, and a flow guide part which is arranged on one side, away from the indoor air outlet, of the bottom wall opening of the containing cavity is arranged on one side, close to the heat exchange air duct, of the bottom wall of the containing cavity;

the indoor fan is arranged in the heat exchange air duct;

the new trend module, it introduces indoor and includes with outdoor new trend:

the fresh air inlet is communicated with the outside;

the fresh air shell is internally provided with a fresh air fan cavity communicated with the fresh air inlet and the accommodating cavity;

the fresh air fan is arranged in the fresh air fan cavity, fresh air outside a driving chamber enters the fresh air fan cavity through the fresh air inlet and then enters the containing cavity, and the fresh air in the containing cavity flows out of the first fresh air outlet, or a part of fresh air in the containing cavity flows out of the first fresh air outlet and the other part of fresh air enters the heat exchange air channel through the bottom wall opening.

The first fresh air outlet is arranged on the upper side of the indoor air outlet, so that the fresh air outlet is arranged on the front side of the indoor air-conditioning unit and is positioned at an obvious position, a user can see the fresh air outlet, the visibility of the fresh air outlet of the indoor air-conditioning unit is improved, the position of the fresh air outlet is different from that of the fresh air outlet of the existing indoor air-conditioning unit, and the novelty and the differentiation of the fresh air outlet can be improved; the fresh air outlet is arranged around the indoor air outlet, so that air mixing can be realized, the problems of discomfort of a user and the like caused by large temperature difference between fresh air and indoor temperature can be reduced, and the user experience is improved; set up the diapire trompil and can will hold chamber and heat transfer wind channel intercommunication for the new trend can pass the diapire trompil, makes indoor air outlet department can go out the new trend, sets up water conservancy diversion portion and can improve the efficiency that the air admission held the chamber.

According to an embodiment of the present disclosure, further comprising:

the indoor fan is arranged in the heat exchange air duct;

the first air deflector is rotatably connected to the shell and provided with a first position, when the first air deflector is located at the first position, the first air deflector closes the indoor air outlet, a gap is formed between the first air deflector and the shell, part of fresh air in the accommodating cavity flows out of the first fresh air outlet, the other part of fresh air enters the heat exchange air channel through the bottom wall opening and flows out of the heat exchange air channel through the gap between the first air deflector and the shell, the air flowing out of the first fresh air outlet and the gap between the first air deflector and the shell is fresh air, or part of indoor air in the heat exchange air channel enters the accommodating cavity through the bottom wall opening and is mixed with the fresh air, the mixed air flows out of the first fresh air outlet, and the other part of indoor air flows out through the gap between the first air deflector and the shell.

The first air deflector is arranged at the first position, the indoor air outlet can be closed, misleading of air conditioner cooling or heating operation brought to a user when the first fresh air outlet discharges air is avoided, pressure intensity at the rear part of the first air deflector can be increased, the accommodating cavity can be communicated with the heat exchange air channel through the opening in the bottom wall, fresh air and indoor air can pass through the accommodating cavity, fresh air speed can be increased by utilizing the indoor air, air circulation is accelerated, difference between fresh air temperature and indoor temperature can be reduced when the air conditioner cools and heats, and comfort of the user is improved; different air outlet forms of the indoor unit of the air conditioner can be realized by controlling the work of the fresh air module and the indoor fan, and the air outlet differentiation of the indoor unit of the air conditioner is realized; set up and have the clearance between first aviation baffle and the casing for new trend or indoor wind all can flow out in the clearance, increase air output.

According to an embodiment of the present disclosure, further comprising:

the indoor fan is arranged in the heat exchange air duct;

the first air deflector is rotatably connected to the casing and provided with a first position, when the first air deflector is located at the first position, the indoor air outlet is closed, the first air deflector and the casing are sealed, fresh air in the accommodating cavity flows out from the first fresh air outlet, and the air flowing out from the first fresh air outlet is fresh air, or indoor air in the heat exchange air channel enters the accommodating cavity through the bottom wall opening to be mixed with the fresh air, and then the mixed air flows out from the first fresh air outlet.

The first air deflector is arranged at the first position, the indoor air outlet can be closed, misleading of air conditioner cooling or heating operation brought to a user when the first fresh air outlet discharges air is avoided, pressure intensity at the rear part of the first air deflector can be increased, the accommodating cavity can be communicated with the heat exchange air channel through the opening in the bottom wall, fresh air and indoor air can pass through the accommodating cavity, fresh air speed can be increased by utilizing the indoor air, air circulation is accelerated, difference between fresh air temperature and indoor temperature can be reduced when the air conditioner cools and heats, and comfort of the user is improved; different air outlet forms of the indoor unit of the air conditioner can be realized by controlling the work of the fresh air module and the indoor fan, and the air outlet differentiation of the indoor unit of the air conditioner is realized; the first air deflector and the shell are arranged in a sealing mode, so that fresh air or mixed air can flow out of the first fresh air outlet, and the air quantity at the position of the visual fresh air outlet is increased.

According to an embodiment of the present disclosure, further comprising:

the second air deflector is rotatably connected to the indoor air outlet and is positioned on the inner side of the first air deflector;

when the first air deflector is located at the first position, the orientation of the second air deflector is perpendicular to or parallel to the air outlet direction of the indoor air outlet or is arranged towards the side of the bottom wall opening and is between perpendicular to and parallel to the air outlet direction of the indoor air outlet, at least part of indoor air in the heat exchange air channel enters the accommodating cavity through the bottom wall opening to be mixed with fresh air, and then the mixed air flows out through the first fresh air outlet.

Set up the second aviation baffle, can lead for indoor wind when indoor wind gets into through the diapire trompil and holds the intracavity, make things convenient for indoor wind to get into and hold the intracavity.

According to the embodiment of the disclosure, the flow guide part is provided with the arc-shaped flow guide surface positioned on the lower side of the flow guide part, the arc-shaped profile of the flow guide surface extends from one end, far away from the bottom wall opening, of the flow guide surface to one end, close to the bottom wall opening, of the flow guide surface, the arc-shaped flow guide surface is arranged, the flow guide effect can be improved, and the flow guide efficiency is improved.

According to this disclosed embodiment, water conservancy diversion portion is close to the one end of diapire trompil to extend in the diapire trompil, the tip of water conservancy diversion portion extends to in the diapire trompil and concave in hold the chamber on the diapire wall or with hold the chamber on the diapire wall parallel and level or protruding in hold the chamber on the diapire wall, messenger's air that can be better passes the diapire trompil, improves water conservancy diversion efficiency.

According to an embodiment of the present disclosure, the housing includes:

the front side of the base is provided with the indoor air outlet, the accommodating cavity is formed in the front side of the base, and the front side of the accommodating cavity is open;

the base dustcoat, the cover is established the outside of base just be equipped with on the base dustcoat with hold the opening in chamber relative and the intercommunication first fresh air outlet, be equipped with on the base dustcoat with the relative and the base air outlet that communicates of indoor air outlet conveniently sets up first fresh air outlet and holds the chamber.

According to the embodiment of the disclosure, the first air deflector is rotatably connected to the base air outlet, the indoor air outlet is opened or closed by opening or closing the base air outlet, and the first air deflector can be conveniently arranged.

According to the embodiment of the disclosure, the base further comprises a water receiving disc, the accommodating cavity is located on one side, close to the first fresh air outlet, of the water receiving disc, the space on the base can be reasonably utilized, the structure of the indoor unit of the air conditioner is compact, and the size of the air conditioner is reduced.

According to the embodiment of the present disclosure, the new trend module still includes:

the air outlet connecting pipe is connected with the fresh air shell and is located at one side end of the accommodating cavity, and a first fresh air exhaust outlet communicated with the accommodating cavity is formed in the air outlet connecting pipe and can conveniently introduce air into the accommodating cavity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of an air conditioning indoor unit according to an embodiment of the present disclosure;

fig. 2 is a front view of an air conditioning indoor unit according to an embodiment of the present disclosure;

FIG. 3 isbase:Sub>A cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

FIG. 5 is an outlet view of the first air deflection plate in the first position according to the disclosed embodiment;

fig. 6 is another wind exiting view of the first wind deflector in the first position according to the embodiment of the present disclosure;

FIG. 7 is another wind bleed pattern with the first wind deflector in the first position according to embodiments of the present disclosure;

FIG. 8 is another wind bleed pattern with the first wind deflector in the first position according to embodiments of the present disclosure;

FIG. 9 is an outlet view of the first air deflection plate in the second position according to the disclosed embodiment;

FIG. 10 is another wind bleed pattern with the first wind deflector in the second position according to embodiments of the present disclosure;

fig. 11 is a perspective view of an air conditioning indoor unit according to an embodiment of the present disclosure from another perspective;

fig. 12 is an exploded view of an air conditioning indoor unit according to an embodiment of the present disclosure;

FIG. 13 is an enlarged view of a portion of FIG. 12 at C;

fig. 14 is a partial structural perspective view of an air conditioning indoor unit according to an embodiment of the present disclosure;

fig. 15 is a partial structural view of an air conditioning indoor unit according to another view angle of the present disclosure;

FIG. 16 is a block diagram of a fresh air module according to an embodiment of the present disclosure;

FIG. 17 is a cross-sectional view of a fresh air module according to an embodiment of the present disclosure;

fig. 18 is a perspective view of the indoor unit of an air conditioner according to the embodiment of the present disclosure, with the first air guide plate removed;

fig. 19 is a partial structural view of an air conditioning indoor unit according to another perspective of the present disclosure;

FIG. 20 is an enlarged view of a portion of FIG. 19 at D;

FIG. 21 is a block diagram of a second air deflection plate and a swing blade according to an embodiment of the present disclosure;

fig. 22 is a block diagram of a first air deflection plate according to an embodiment of the present disclosure;

fig. 23 is a partial enlarged view at E in fig. 22;

fig. 24 is a structural view of a flow guide according to an embodiment of the present disclosure.

In the above figures: a housing 1; a base 101; a water pan 1011; a base plate 1012; a housing chamber 1013; a bottom wall opening 1016; a flow guide 1017; a diversion surface 10171; a base housing 102; a top plate 1021; left and right end plates 1022; a front panel 1023; a support 1024; a base air outlet 1025; an air intake grille 103; an indoor air inlet 11; an indoor air outlet 12; a heat exchange air duct 13; a first fresh air outlet 14; an indoor heat exchanger 21; an indoor fan 22; a fresh air module 3; a fresh air housing 31; a fresh air frame 3101; a fresh air volute 3102; a fresh air fan cavity 311; fresh air intake chamber 312; a frame tuyere 313; a fresh air inlet 32; a fresh air blower 33; an air inlet connection pipe 34; an air outlet connecting pipe 35; a first fresh air outlet 351; a bent portion 353; a fresh air filtration module 37; a first air deflector 41; a first air deflector plate 411; a first air deflection portion 412; a first drive motor 42; a second air deflector 43; a second air deflector plate 431; a second air deflection connection portion 432; a second drive motor 44; a swinging blade 45; a connecting rod 46; a swing blade fixing plate 48; the grille 51 is decorated.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

The air conditioner performs a refrigeration cycle of the air conditioner by using a compressor, a condenser, an expansion valve, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies refrigerant to the air that has been conditioned and heat-exchanged.

The compressor compresses a refrigerant gas in a low-temperature and low-pressure state and discharges the refrigerant gas in a high-temperature and high-pressure state. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.

The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature of the indoor space throughout the cycle.

The air conditioner includes an indoor air conditioner and an outdoor air conditioner, the outdoor air conditioner is a part of a refrigeration cycle including a compressor and an outdoor heat exchanger, the indoor air conditioner includes an indoor heat exchanger, and an expansion valve may be provided in the indoor air conditioner or the outdoor air conditioner.

The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater in a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler in a cooling mode.

The utility model provides an air-conditioning indoor unit, the following describes air-conditioning indoor unit with reference to fig. 1-24, and wherein solid arrow point is the new trend flow direction, and hollow arrow point is indoor wind flow direction.

Referring to fig. 1 to 3, the indoor unit of an air conditioner includes a cabinet 1, an indoor heat exchanger 21, and an indoor fan 22.

The cabinet 1 may form an overall appearance of the indoor unit of the air conditioner. In this embodiment, the indoor unit of the air conditioner may be a wall-mounted or other structure-mounted on-hook.

The direction described herein is based on the direction of the user facing the indoor unit of the air conditioner, wherein the left side and the right side are distinguished by the direction of the user facing the indoor unit of the air conditioner, and the side facing the user when the indoor unit of the air conditioner is used is defined as the front side, and the opposite side is defined as the rear side.

An indoor air inlet 11 and an indoor air outlet 12 located on the front side of the indoor air inlet are arranged on the machine shell 1, a heat exchange air duct 13 is formed in the machine shell 1, and the heat exchange air duct 13 is communicated with the indoor air inlet 11 and the indoor air outlet 12.

The indoor heat exchanger 21 and the indoor fan 22 are both arranged in the heat exchange air duct 13, the indoor heat exchanger 21 is located on the inner side of the indoor air inlet 11, and the indoor fan 22 is located on one side, close to the indoor air outlet 12, of the indoor heat exchanger 21.

Under the driving of the indoor fan 22, indoor air enters the heat exchange air duct 13 through the indoor air inlet 11, the indoor air flows to the indoor heat exchanger 21 to exchange heat with the indoor heat exchanger 21, and the heat-exchanged indoor air is discharged out of the heat exchange air duct 13 through the indoor air outlet 12.

Referring to fig. 11 to 14, the casing 1 includes a base 101 and a base housing 102, wherein the base housing 102 is housed outside the base 101. The indoor air inlet 11 is arranged on the base outer cover 102, the indoor air outlet 12 is arranged on the base 101, and the base outer cover 102 is further provided with a base air outlet 1025 which is arranged on the front side of the indoor air outlet and is opposite to and communicated with the indoor air outlet.

The indoor air inlet 11 is disposed at the top of the casing 1, and specifically, the indoor air inlet 11 is disposed at the top of the base housing 102.

Specifically, the base housing 102 includes a top plate 1021 at the top thereof, left and right end plates 1022 at the left and right sides thereof, and a front panel 1023 at the front thereof. The base housing 102 may further include a support 1024 disposed inside the front panel 1023, wherein the support 1024 may be supported inside the front panel 1023, the support 1024 has a function of supporting the front panel, and the support 1024 also has a function of reinforcing the base housing. Wherein, the top plate 1021, the left and right end plates 1022 and the support frame 1024 can be integrally formed, and the front plate surface can be detachably connected with the front side of the support frame.

The indoor air inlet 11 is disposed on the top plate 1021, and may be in the form of a hole or a grid. The top plate 1021 can be provided with a mounting hole, the indoor unit of the air conditioner further comprises an air inlet grille 103, the air inlet grille is mounted at the mounting hole arranged on the top plate, and the indoor air inlet 11 can be formed on the air inlet grille 103.

The indoor air outlet 12 is disposed at the front side of the casing 1, and specifically, the indoor air outlet 12 is located at the lower portion of the front side of the casing 1. The indoor air outlet 12 is located on the front side of the base 101, and specifically, the indoor air outlet 12 is located on the lower portion of the front side of the base 101.

Specifically, the indoor air outlet 12 may be in a long shape, wherein the indoor air outlet 12 is disposed along a left-right direction of the casing 1, that is, along a left-right direction of the base 101.

The base air outlet 1025 is arranged on the front side of the base outer cover, and specifically, the base air outlet 1025 is arranged on the lower portion of the front side of the base outer cover. The base outlet 1025 can be in the shape of a strip, wherein the base outlet 1025 is disposed along the left and right directions of the casing 1, i.e., along the left and right directions of the base housing 102.

A water pan 1011 is formed on the upper front side of the base 101, and the indoor heat exchanger 21 is disposed on the water pan 1011.

The indoor heat exchanger 21 may have at least one section in which the front end of the indoor heat exchanger is supported on the water tray 1011.

The base 101 further includes a bottom plate 1012 at the rear thereof, and the bottom plate 1012 is used to hang the indoor unit of the air conditioner on another object.

The indoor heat exchanger 21 may have at least two sections, with the section on the foremost side supported on the water tray and the section on the rearmost side supported on the inside of the bottom plate 1012.

Specifically, the indoor heat exchanger may have three sections, and a certain included angle is formed between two adjacent sections of indoor heat exchangers, wherein the included angle between the two front sections of indoor heat exchangers may be an obtuse angle, and the included angle between the two rear sections of indoor heat exchangers may be a right angle, an obtuse angle or an acute angle.

In this application, the casing 1 is further formed with a first fresh air outlet 14. The first fresh air outlet 14 is located above the indoor air outlet 12.

The housing 1 is provided with a receiving chamber 1013, and the receiving chamber 1013 is opposite to and communicated with the first fresh air outlet. Specifically, hold chamber 1013 and locate in the base and be located the front side of base, hold chamber 1013 and be located indoor air outlet 12 upside, base dustcoat 102 covers the outside of establishing at base 101, and first fresh air outlet 14 is located on base dustcoat 102, and first fresh air outlet 14 with hold the chamber relative and communicate, conveniently set up first fresh air outlet and hold the chamber. Specifically, the front side of the accommodating cavity is open, and the first fresh air outlet is opposite to and communicated with the opening of the accommodating cavity. Wherein, the front side opening of the containing cavity is large and the rear side opening is small.

When the base air outlet exists, the first fresh air outlet 14 is positioned on the upper side of the base air outlet 1025 and on the lower side of the front panel 1023; the first fresh air outlet is convenient to arrange.

The bottom wall of the accommodating cavity 1013 is provided with a bottom wall opening 1016, and the accommodating cavity is communicated with the heat exchange air duct through the bottom wall opening.

The accommodating cavity 1013 is positioned on one side of the water receiving tray close to the first fresh air outlet, namely the accommodating cavity is arranged on the back of the water receiving tray, so that the space on the base can be reasonably utilized, the structure of the indoor unit of the air conditioner is compact, and the size of the air conditioner is reduced.

In the present application, referring to fig. 15-17, the indoor unit of an air conditioner further includes a fresh air module 3, and the fresh air module 3 is used for introducing outdoor fresh air into a room, so that the indoor air quality can be improved.

The fresh air module 3 comprises a fresh air inlet 32, a fresh air shell 31 arranged in the machine shell 1 and a fresh air fan 33 arranged in the fresh air shell 31. Wherein, the fresh air inlet 32 is communicated with the outside. Fresh air fan chamber 311 is formed in the fresh air shell 31, fresh air fan 33 is arranged in the fresh air fan chamber 311, and the fresh air fan chamber 311 is communicated with the outdoor chamber 1013 accommodating chamber. Specifically, the fresh air fan cavity 311 is communicated with the fresh air inlet 32 and is communicated with the outside through the fresh air inlet.

Specifically, the fresh air casing 31 is disposed at the left end or the right end of the indoor unit of the air conditioner, and the fresh air casing 31 is disposed at the inner side of the left and right end plates 1022 and is located at one end of the indoor heat exchanger and the indoor fan.

Under the drive of new trend fan 33, outdoor new trend enters into the new trend fan intracavity through the new trend air intake and then enters into and holds the intracavity, holds the new trend of intracavity and flows out from first new trend air outlet, perhaps, holds partly new trend in the intracavity and flows out from first new trend air outlet and another part new trend enters into the heat transfer wind channel through the diapire trompil.

The first fresh air outlet is arranged on the upper side of the indoor air outlet, so that the fresh air outlet is arranged on the front side of the indoor unit of the air conditioner, the fresh air outlet is positioned at an obvious position, a user can see the fresh air outlet, the visibility of the fresh air outlet of the indoor unit of the air conditioner is improved, the position of the fresh air outlet is different from that of the fresh air outlet of the existing indoor unit of the air conditioner, and the novelty and the differentiation of the fresh air outlet can be improved; the fresh air outlet is arranged around the indoor air outlet, so that air mixing can be realized, the problems of discomfort of a user and the like caused by large temperature difference between fresh air and indoor temperature can be reduced, and the user experience is improved; set up the diapire trompil and can will hold chamber and heat transfer wind channel intercommunication for the new trend can pass the diapire trompil, makes indoor air outlet department can go out the new trend.

Referring to fig. 16-17, the fresh air housing 31 includes a fresh air frame 3101 and a fresh air volute 3102, wherein a fresh air inlet chamber 312 is formed in the fresh air frame 3101, the fresh air volute 3102 is connected to one side of the fresh air frame 3101, a fresh air fan chamber 311 is formed in the fresh air volute 3102, and a frame air port 313 for communicating the fresh air fan chamber 311 and the fresh air inlet chamber 312 is arranged on one side of the fresh air frame 3101 close to the fresh air volute 3102. Outdoor air enters the fresh air inlet cavity through the fresh air inlet, then enters the fresh air fan cavity through the frame air port 313, and then flows into the accommodating cavity.

In this application, the new trend module still includes air inlet connecting pipe 34, and air inlet connecting pipe 34 is connected with the new trend shell, and air inlet connecting pipe communicates new trend air intake and new trend fan chamber. Wherein, the new trend air intake can be located on the air inlet connecting pipe, and wherein, the new trend air intake can be located the one end that the new trend shell was kept away from to the air inlet connecting pipe.

Specifically, the air inlet connecting pipe 34 is connected with the fresh air frame, and the fresh air inlet is located at one end of the air inlet connecting pipe 34, which is far away from the fresh air frame. The fresh air inlet is communicated with the fresh air inlet cavity.

The air inlet connecting pipe 34 can be connected to one side of the fresh air shell close to the lower side of the indoor unit of the air conditioner, the air inlet connecting pipe 34 can be a bent pipe, and one end of the air inlet connecting pipe, provided with a fresh air inlet, is bent towards the left side or the right side of the indoor unit of the air conditioner to form the bent pipe. The arrangement of the air inlet connecting pipe can facilitate the introduction of outdoor air into the fresh air fan cavity.

In this application, the fresh air module still includes air-out connecting pipe 35, and air-out connecting pipe 35 is connected with fresh air shell 31, and wherein, the air-out connecting pipe can be connected with new trend frame 3101 and new trend spiral case 3102 or the air-out connecting pipe is connected with the new trend spiral case, and the space in the air-out connecting pipe communicates with new trend fan chamber.

The air-out connecting pipe is located the one side end that holds the chamber, is equipped with on the air-out connecting pipe 35 with hold the first fresh air exhaust vent 351 of chamber intercommunication, and the convenient intracavity that holds is introduced with wind.

First fresh air exhaust outlet holds the chamber towards, and is concrete, and the front portion of air-out connecting pipe 35 has to being close to the kink 353 that holds a lateral buckling of chamber, and the outer end of kink has first fresh air exhaust outlet 351 for the air-out connecting pipe can be to holding the chamber wind-guiding.

The air outlet connecting pipe can be connected with the base and connected to the first fresh air outlet 351, and the first fresh air outlet is communicated with the accommodating cavity.

Outdoor fresh air enters the air inlet connecting pipe through the fresh air inlet, then enters the fresh air inlet cavity, enters the fresh air fan cavity through the frame air port 313, then enters the air outlet connecting pipe, and then enters the accommodating cavity.

The first fresh air outlet can be in the form of holes, or the first fresh air outlet can be in the form of a grille, or the first fresh air outlet is in the form of holes, a decorative grille 51 can be further arranged at the first fresh air outlet to cover the outer side of the first fresh air outlet, and the wind at the first fresh air outlet can pass through the decorative grille through the holes in the decorative grille, so that the wind at the first fresh air outlet can be softened. Both ends of the decorative grill may extend to the left and right end plates of the cabinet. The fresh air shell is positioned at the rear side of the decorative grid.

Referring to fig. 4, the indoor unit of the air conditioner may further include a first air guiding plate 41, wherein the first air guiding plate 41 is rotatably connected to the casing 1 to close or open the indoor air outlet, and the first air guiding plate is rotatably connected to the indoor air outlet. When the base air outlet exists, the first air deflector is rotatably connected to the base air outlet and opens or closes the indoor air outlet by opening or closing the base air outlet.

Referring to fig. 5 to 8, the first air guiding plate has a first position, and when the first air guiding plate is located at the first position, the first air guiding plate closes the indoor air outlet, where the first air guiding plate may be connected to the indoor air outlet to close the indoor air outlet, or the first air guiding plate may be connected to the base air outlet and closes the indoor air outlet by closing the base air outlet, and when the first air guiding plate closes the indoor air outlet, a gap is formed between the first air guiding plate and the casing or between the first air guiding plate and the casing. Referring to fig. 6 and 8, when a gap exists between the first air guiding plate and the casing, a part of fresh air in the accommodating cavity flows out from the first fresh air outlet, and another part of fresh air enters the heat exchange air duct through the bottom wall opening and flows out through the gap between the first air guiding plate and the casing, and the air flowing out from the first fresh air outlet and the gap between the first air guiding plate and the casing is fresh air, or a part of indoor air in the heat exchange air duct enters the accommodating cavity through the bottom wall opening and is mixed with the fresh air, the mixed air flows out through the first fresh air outlet, and another part of indoor air flows out through the gap between the first air guiding plate and the casing. When the first air deflector is sealed with the casing, referring to fig. 5 and 7, the fresh air in the accommodating cavity flows out from the first fresh air outlet, and the air flowing out from the first fresh air outlet is fresh air, or the indoor air in the heat exchange air channel enters the accommodating cavity through the opening of the bottom wall to be mixed with the fresh air, and then the mixed air flows out from the first fresh air outlet.

The first air deflector is arranged at the first position, the indoor air outlet can be closed, misguidance of air conditioner cooling or heating operation brought to a user when the first fresh air outlet discharges air is avoided, pressure at the rear part of the first air deflector can be increased, the accommodating cavity can be communicated with the heat exchange air channel due to the opening of the bottom wall, fresh air and indoor air can pass through the accommodating cavity, the speed of the fresh air can be increased by utilizing the indoor air, air circulation is accelerated, the difference between the temperature of the fresh air and the temperature of the indoor air can be reduced when the air conditioner performs cooling and heating operation, and comfort of the user is improved; different air outlet forms of the indoor unit of the air conditioner can be realized by controlling the work of the fresh air module and the indoor fan, and the air outlet differentiation of the indoor unit of the air conditioner is realized; a gap is formed between the first air deflector and the shell, so that fresh air or mixed air can flow out of the gap, and the air output is increased; the first air deflector and the shell are arranged in a sealing mode, so that fresh air or mixed air can flow out of the first fresh air outlet, and the air quantity at the position of the visual fresh air outlet is increased.

Specifically, when the fresh air module works alone, the first air deflector is located at the first position, and the space between the first air deflector and the casing is sealed, referring to fig. 5, the fresh air in the accommodating cavity flows out from the first fresh air outlet, and the air flowing out from the first fresh air outlet is fresh air; when the fresh air module works alone, the first air deflector is located at the first position, and a gap is formed between the first air deflector and the casing, referring to fig. 6, a part of fresh air in the accommodating cavity flows out from the first fresh air outlet, the other part of fresh air enters the heat exchange air duct through the bottom wall opening and flows out through the gap between the first air deflector and the casing, and the air flowing out from the first fresh air outlet and the gap between the first air deflector and the casing is fresh air.

Specifically, when fresh air module and indoor fan worked simultaneously, indoor wind in the indoor fan drive heat transfer wind channel entered into at least part through the diapire trompil and held the intracavity and mix with the fresh air, then mixed wind flows out through first fresh air outlet. When the first air deflector is located at the first position and the first air deflector and the shell are sealed, referring to fig. 7, the indoor fan drives all indoor air in the heat exchange air duct to enter the accommodating cavity through the bottom wall opening to be mixed with fresh air, and then the mixed air flows out through the first fresh air outlet; when the first air deflector is in the first position and a gap is formed between the first air deflector and the casing, referring to fig. 8, the indoor fan drives a part of indoor air in the heat exchange air channel to enter the accommodating cavity through the opening of the bottom wall to be mixed with fresh air, then the mixed air flows out through the first fresh air outlet, and the indoor fan drives another part of indoor air in the heat exchange air channel to flow out through the gap between the first air deflector and the casing.

The indoor heat exchanger can not work when the indoor fan works, indoor air does not exchange heat with the indoor heat exchanger, the air speed of fresh air can be improved, the air circulation efficiency is improved, the indoor heat exchanger can work when the indoor fan works, heat exchange is carried out on the indoor air and the indoor heat exchanger, the difference between the temperature of the fresh air and the indoor temperature can be reduced, the comfort of a user is improved, the air speed of the fresh air can be improved, and the air circulation efficiency is improved.

When the indoor fan works alone, the indoor unit of the air conditioner generally carries out refrigeration or heating alone.

Referring to fig. 9 to 10, the first air guiding plate has a second position, and when the first air guiding plate is located at the second position, the first air guiding plate opens the indoor air outlet, wherein the first air guiding plate may be connected to the indoor air outlet to open the indoor air outlet, or the first air guiding plate may be connected to the base air outlet and closes the indoor air outlet by opening the base air outlet, when the first air guiding plate moves from the first position to the second position, the upper portion of the first air guiding plate moves forward, and the rotation angle of the first air guiding plate is 45 ° or any value between 0 ° and 45 °.

When the first air deflector is located the second position, outdoor new trend gets into through new trend fan chamber and holds the intracavity, holds partly new trend in the intracavity and flows out and another part new trend flows out from indoor air outlet through diapire trompil, heat transfer wind channel, or, holds the new trend in the intracavity and flows out from first new trend air outlet, and the new trend of following first new trend air outlet outflow. Set up first aviation baffle and have the second position, can open a less angle with indoor air outlet, can realize the form of multiple new trend air-out, realize the differentiation of air-conditioning indoor set air-out.

Specifically, when the fresh air module works alone and the first air deflector is located the second position, refer to fig. 9, outdoor fresh air gets into through the fresh air fan chamber and holds the intracavity, holds partly fresh air in the intracavity and flows out from first fresh air outlet and another part fresh air flows out from indoor air outlet through diapire trompil, heat transfer wind channel, and the wind that first fresh air outlet and indoor air outlet flow out is the fresh air. When the fresh air module and the indoor fan work simultaneously and the first air deflector is located the second position, refer to fig. 10, outdoor fresh air enters through the fresh air fan chamber and holds the intracavity, and some indoor wind enters into through the diapire trompil and holds the intracavity, holds the fresh air of intracavity and gets into to hold the indoor wind of intracavity and mix the back and flow out from first fresh air outlet, and another some indoor wind flows out from indoor air outlet.

Specifically, when the indoor fan works alone and the first air deflector is located at the second position, part of indoor air enters the accommodating cavity through the bottom wall opening, then flows out from the first fresh air outlet, and the other part of indoor air flows out from the indoor air outlet. When the indoor fan works alone, the indoor heat exchanger also works under the ordinary condition, and normal refrigeration and heating work can be carried out.

Set up first aviation baffle and have the second position, can open a less angle with indoor air outlet, can make indoor air outlet go out the new trend, and make and to increase the pressure at first aviation baffle rear portion, the diapire trompil can be with holding chamber and heat transfer wind channel intercommunication, new trend and indoor wind accessible, and can utilize indoor wind to improve the new trend wind speed, accelerate air cycle, and can reduce the difference of new trend temperature and indoor temperature when air conditioner cooling and heating operation, improve user's comfort, can realize the different air-out forms of air conditioning indoor set through the work of control new trend module and indoor fan, realize the differentiation of air conditioning indoor set air-out.

Specifically, the first air deflector is rotatably connected to the casing, wherein the first air deflector is rotatably connected to the base.

Referring to fig. 18-23, the first air guiding plate 41 includes a first air guiding plate body 411 and first air guiding plate connecting portions 412 connected to the inner side of the first air guiding plate, where the first air guiding plate connecting portions 412 may be connecting plates, and the first air guiding plate connecting portions may have at least two first air guiding plate connecting portions, and the two first air guiding plate connecting portions are respectively connected to two ends of the first air guiding plate body.

The first air guiding plate 411 is substantially rectangular, the cross section of the first air guiding plate is arc-shaped or flat, and indoor air coming out from the indoor air outlet or the base air outlet blows towards the indoor along the first air guiding plate.

The indoor unit of the air conditioner further comprises a first driving motor 42, the first driving motor is fixedly arranged on the casing 1, specifically, the first driving motor is fixedly arranged on the base 101, a rotating shaft of the first driving motor is connected with the first air deflector connecting portion, and the first driving motor works to drive the first air deflector to rotate.

First driving motor sets firmly in the base and keeps away from one side of first aviation baffle connecting portion, is equipped with the hole that adaptation in first driving motor and first aviation baffle connecting portion are connected on the base. The rotating shaft of the first driving motor can be directly connected with the first air deflector connecting part, or the rotating shaft of the first driving motor is connected with the first air deflector connecting part through a first connecting piece, and the first connecting piece is arranged in the hole of the base.

In some embodiments of the present application, referring to fig. 24, one side of the bottom wall of the accommodating cavity close to the heat exchange air duct is provided with a flow guide portion 1017 disposed on one side of the bottom wall opening 1016 far away from the indoor air outlet, so that efficiency of air entering the accommodating cavity can be improved. The water conservancy diversion portion has the arc water conservancy diversion face 10171 that is located its downside, and the arc profile of water conservancy diversion face is extended to its one end that leans on the diapire trompil by its one end of keeping away from the diapire trompil, sets up arc water conservancy diversion face, can improve the water conservancy diversion effect, improves water conservancy diversion efficiency. One end that water conservancy diversion portion is close to the diapire trompil extends to first trompil in, and the tip of water conservancy diversion portion extends to in the diapire trompil and concave in the diapire that holds the chamber on the wall or with the diapire that holds the chamber on the wall parallel and level or protruding in the diapire that holds the chamber, can be better with the wind water conservancy diversion in the heat transfer wind channel to holding the intracavity, messenger's air that can be better passes the diapire trompil, improves water conservancy diversion efficiency. Wherein, the water conservancy diversion portion can be the water conservancy diversion arch, can rational utilization well effect, improves the efficiency that the air current got into and holds the chamber.

In some embodiments of the present application, referring to fig. 18 to 20, the indoor unit of an air conditioner further includes a second air deflector 43, the second air deflector 43 is rotatably connected to the indoor air outlet, the second air deflector is used for guiding the air coming out of the indoor air outlet, and the second air deflector 43 is located inside the first air deflector.

When the first air deflector is in the first position, the orientation of the second air deflector is perpendicular to or parallel to the air outlet direction of the indoor air outlet or is arranged towards the side of the bottom wall opening and is between the perpendicular to and parallel to the air outlet direction of the indoor air outlet, the indoor fan drives at least part of indoor air in the heat exchange air channel to enter the containing cavity through the bottom wall opening to be mixed with fresh air, and then the mixed air flows out through the first fresh air outlet. Specifically, when the first air deflector is located at the first position and the first air deflector and the shell are sealed, the indoor fan drives all indoor air in the heat exchange air channel to enter the accommodating cavity through the bottom wall opening to be mixed with fresh air, and then the mixed air flows out through the first fresh air outlet; when the first air deflector is located at the first position and a gap is formed between the first air deflector and the casing, the indoor fan drives part of indoor air in the heat exchange air channel to enter the containing cavity through the opening of the bottom wall to be mixed with fresh air, then the mixed air flows out through the first fresh air outlet, and the indoor fan drives the other part of indoor air in the heat exchange air channel to flow out through the gap between the first air deflector and the casing. Set up the second aviation baffle, can lead for indoor wind when indoor wind gets into through the diapire trompil and holds the intracavity, make things convenient for indoor wind to get into and hold the intracavity.

When the first air deflector is located at the second position, the orientation of the second air deflector is perpendicular to or parallel to the air outlet direction of the indoor air outlet or is arranged towards the side of the bottom wall opening and is between the perpendicular to and parallel to the air outlet direction of the indoor air outlet, one part of indoor air enters the containing cavity through the bottom wall opening and is mixed with fresh air in the containing cavity, the mixed air flows out from the first fresh air outlet, and the other part of indoor air flows out from the indoor air outlet. Set up the second aviation baffle, can lead for indoor wind when indoor wind gets into through the diapire trompil and holds the intracavity, make things convenient for indoor wind to get into and hold the intracavity.

Specifically, the second air guiding plate is rotatably connected to the casing, wherein the second air guiding plate is rotatably connected to the base.

The second air guiding plate 43 includes a second air guiding plate body 431 and a second air guiding plate connecting portion 432 connected to the inner side of the second air guiding plate, the number of the second air guiding plate connecting portions may be at least two, and the two second air guiding plate connecting portions are respectively connected to two ends of the second air guiding plate body.

The indoor unit of the air conditioner further includes a second driving motor 44, the second driving motor is fixedly disposed on the casing, specifically, the second driving motor is fixedly disposed on the base, a rotating shaft of the second driving motor is connected to the second air guiding plate connecting portion, and the second driving motor operates to drive the second air guiding plate to rotate.

The second driving motor is fixedly arranged on one side, away from the second air deflector connecting portion, of the base, and a hole which is adaptive to the connection between the second driving motor and the second air deflector connecting portion is formed in the base. The rotating shaft of the second driving motor can be directly connected with the second air deflector connecting part, or the rotating shaft of the second driving motor is connected with the second air deflector connecting part through a second connecting piece, and the second connecting piece is arranged in the hole of the base.

The second air deflector plate body can be a wavy plate body, and both the length direction and the width direction of the second air deflector plate body can be wavy. The lateral part of the second air deflector plate body is provided with a notch avoiding the base 101.

In some embodiments of the present application, referring to fig. 21, the indoor unit of an air conditioner further includes a plurality of swing blades 45, the swing blades are disposed at the indoor air outlet, the swing blades are located inside the second air guiding plate, the plurality of swing blades can be divided into at least one group, the swing blades in each group are all connected to a connecting rod 46, each group of swing blades has a swing blade driving mechanism or is connected to an adjacent group of connecting rods and shares a swing blade driving mechanism, the swing blade driving mechanism is connected to the swing blades, the swing blade driving mechanism drives one group of swing blades to swing back and forth to one side close to the second fresh air outlet or one side far away from the second fresh air outlet, so as to guide the air at the indoor air outlet, so that the air at the indoor air outlet is blown forward or blown out to the direction in which the second fresh air outlet is disposed, and the mixing of fresh air and air conditioner can be achieved, and the effect of constant temperature fresh air can be achieved. The swing blade driving mechanism can be connected with the connecting rods, the swing blade driving mechanism drives the connecting rods to move, the connecting rods move to drive the swing blades to swing, or the swing blade driving mechanism is connected with one of the swing blades and drives the swing blades to swing, the swing blades drive the connecting rods to move, and the connecting rods drive other swing blades connected with the connecting rods to swing.

The indoor unit of the air conditioner can further comprise a swing blade fixing plate 48 which is fixedly connected to the machine shell, wherein the swing blade fixing plate can be fixedly connected to the base 101, the swing blade can be rotatably connected to the swing blade fixing plate, and the swing blade can rotate relative to the swing blade fixing plate.

The swing blades are arranged to guide the wind at the indoor air outlet, so that the wind at the indoor air outlet blows forwards or blows leftwards or rightwards, and various blowing directions can be realized.

In some embodiments of the present application, a rotatable wind guiding blade may be further disposed at the first fresh air outlet, the wind guiding blade can open or close the first fresh air outlet, the wind guiding blade has at least one wind guiding blade, the wind guiding blade is connected to the first fresh air outlet 14, and when the first fresh air outlet is opened, the fresh air flows out from the first fresh air outlet.

The air-conditioning indoor unit further comprises a blade driving mechanism, the blade driving mechanism is connected with the air guide blades, and the blade driving mechanism drives the air guide blades to rotate so as to open or close the first fresh air outlet.

In some embodiments of the present application, the indoor unit of an air conditioner further includes a fresh air inlet pipe connected to the air inlet connection pipe and extending from indoor to outdoor, and the fresh air inlet pipe may be a corrugated hose. The fresh air inlet can also be arranged at the outer end of the fresh air inlet pipe.

In some embodiments of this application, the indoor set of air conditioning still includes the heating module that is used for heating the new trend that the new trend module was introduced to heat outdoor new trend, avoid the too low discomfort that brings for the user of outdoor new trend temperature of introducing. Wherein, the heating module can be arranged at the fresh air inlet or in the fresh air inlet cavity or in the fresh air inlet pipe.

In some embodiments of the present application, referring to fig. 16 and 17, the fresh air module further includes a fresh air filtering module 37, the fresh air filtering module 37 is disposed in the fresh air inlet cavity and plugs the frame air inlet, so that after outdoor air enters the fresh air inlet cavity, the outdoor air must be purified by the fresh air filtering module when entering the fresh air inlet cavity, so that all fresh air entering the room is purified, and the quality of fresh air entering the room can be improved.

In some embodiments of this application, the machine in the air conditioning can still include the filter screen (not shown), the filter screen can insert and establish on the machine in the air conditioning and be located the inboard of indoor air intake 11, the filter screen can filter the indoor air that enters into heat transfer wind channel 13 from indoor air intake 11, avoid impurity such as dust to enter into the heat transfer wind channel along with the indoor air in, and avoid impurity such as dust to locate the deposit at indoor heat exchanger, avoid impurity such as dust dirty indoor heat exchanger to influence the heat transfer effect of indoor heat exchanger, reducible indoor heat exchanger's clean number of times, improve indoor heat exchanger's life, use cost is saved.

The filter screen can include the filter screen frame and locate the dictyosome on the screen frame, and in order to improve the fastness of filter screen, the filter screen is still including locating the filter screen rib in the filter screen frame, can improve the stability of filter screen, just is adapted to the shape that roof 1021 set up indoor air intake department for the convenience of installation, and the filter screen has certain elasticity for making the formation of filter screen.

In order to facilitate the installation and the disassembly, the filter screen also comprises a filter screen handle arranged on the outer frame of the filter screen.

In order to facilitate the accurate installation of filter screen in indoor air intake department, can set up the filter screen guide way on the roof, set up the relative both ends of filter screen in the filter screen guide way, the push-and-pull filter screen makes the filter screen remove along the guide way and installs the filter screen in indoor air intake department, perhaps pulls down the filter screen from the roof.

In some embodiments of the present application, the indoor air inlets are disposed on the left and right end plates of the casing, or the indoor air inlets are disposed on the top plate and the left and right end plates of the casing, so that the air inlet volume of the indoor unit of the air conditioner can be increased.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

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 implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

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

the indoor fan is arranged in the heat exchange air duct;

the new trend module, it introduces indoor and includes with outdoor new trend:

the fresh air inlet is communicated with the outside;

2. An indoor unit of an air conditioner according to claim 1, further comprising:

3. An indoor unit of an air conditioner according to claim 1, further comprising:

the first air deflector is rotatably connected to the casing and provided with a first position, when the first air deflector is located at the first position, the indoor air outlet is closed, the first air deflector and the casing are sealed, fresh air in the accommodating cavity flows out from the first fresh air outlet, and air flowing out from the first fresh air outlet is fresh air, or indoor air in the heat exchange air channel enters the accommodating cavity through the bottom wall opening to be mixed with the fresh air, and then the mixed air flows out from the first fresh air outlet.

4. An indoor unit of an air conditioner according to claim 2 or 3, further comprising:

5. An indoor unit of an air conditioner according to claim 1, wherein the guide portion has an arc-shaped guide surface on a lower side thereof, and an arc-shaped contour of the guide surface extends from an end thereof remote from the bottom wall opening to an end thereof close to the bottom wall opening.

6. An indoor unit of an air conditioner according to claim 1, wherein one end of the flow guide portion, which is close to the bottom wall opening, extends into the bottom wall opening, and the end of the flow guide portion extends into the bottom wall opening and is concave to the upper wall surface of the bottom wall of the accommodating chamber, or is flush with the upper wall surface of the bottom wall of the accommodating chamber, or is convex to the upper wall surface of the bottom wall of the accommodating chamber.

7. An indoor unit of an air conditioner according to claim 2 or 3, wherein the casing includes:

the base outer cover covers the outer side of the base and is provided with a first fresh air outlet which is opposite to and communicated with the opening of the accommodating cavity, and the base outer cover is provided with a base air outlet which is opposite to and communicated with the indoor air outlet.

8. An indoor unit of an air conditioner according to claim 7, wherein the first air guide plate is rotatably connected to the base outlet and opens or closes the indoor outlet by opening or closing the base outlet.

9. An indoor unit of an air conditioner according to claim 7, wherein the base further includes a water pan, and the accommodating chamber is located on a side of the water pan near the first fresh air outlet.

10. The indoor unit of claim 1, wherein the fresh air module further comprises:

and the air outlet connecting pipe is connected with the fresh air shell and is positioned at one side end of the accommodating cavity, and a first fresh air exhaust outlet communicated with the accommodating cavity is arranged on the air outlet connecting pipe.