CN217876142U

CN217876142U - Indoor unit of air conditioner

Info

Publication number: CN217876142U
Application number: CN202222295167.8U
Authority: CN
Inventors: 孙合庆; 张家栋; 逯成林
Original assignee: Hisense Air Conditioning Co Ltd
Current assignee: Hisense Air Conditioning Co Ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2022-11-22
Anticipated expiration: 2032-08-30

Abstract

The utility model relates to an indoor unit of air conditioner belongs to air conditioning equipment technical field, and indoor unit of air conditioner includes: the air conditioner comprises a shell, an air mixing cavity, a first centrifugal fan, a fresh air channel, an indoor heat exchanger, a fresh air module and a fresh air fan, wherein an indoor air inlet and a first indoor air outlet are formed in the shell; the indoor heat exchanger is arranged in the shell; the air mixing cavity is arranged in the shell and communicated with the indoor air inlet and the first indoor air outlet; the first centrifugal fan is arranged in the air mixing cavity and is provided with a first air inlet communicated with the indoor air inlet and a first air outlet communicated with the first indoor air outlet; the fresh air module is arranged in the shell and comprises a fresh air inlet, a fresh air channel and a fresh air fan, and the fresh air inlet is communicated with the outside; the fresh air channel is communicated with the fresh air inlet; the fresh air fan is provided with a second air inlet and a second air outlet, the second air inlet is communicated with the fresh air channel, and the second air outlet is communicated with the air mixing cavity.

Description

Indoor unit of air conditioner

Technical Field

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

Background

An air conditioner, i.e., an air conditioner, is a device that manually adjusts and controls parameters such as temperature, humidity, and flow rate of ambient air in a building or structure. The fresh air conditioner is a healthy and comfortable air conditioner with a fresh air function, and realizes circulation and ventilation between room air and outdoor air by using a fan and has the function of purifying air.

Conventional fresh air conditioner, air conditioner wind channel and fresh air channel are relatively independent, need two fans respectively, and not only occupation space leads to whole quick-witted size big, and a plurality of wind channel structures are complicated moreover, and are with high costs. Therefore, it is urgently needed to provide an air conditioner which has a simple structure, a small size, a reduced cost of the whole air conditioner and an improved efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve one of the technical problem in the correlation technique at least to a certain extent.

For this reason, this application aims at providing an air conditioning indoor set, through fresh air channel with mix the wind chamber intercommunication, the room air mixes the wind chamber through a centrifugal fan entering, outdoor new trend gets into through fresh air channel and mixes the wind chamber and discharge from first indoor air outlet after with the room air mixing, its simple structure, the cost is controllable and raises the efficiency.

In order to achieve the above object, the utility model provides an air-conditioning indoor unit, include:

the shell is provided with an indoor air inlet and a first indoor air outlet;

the indoor heat exchanger is arranged in the shell and is positioned on the inner side of the indoor air inlet;

the air mixing cavity is arranged in the shell and positioned on one side, close to the first indoor air outlet, of the indoor heat exchanger, and the air mixing cavity is communicated with the indoor air inlet and the first indoor air outlet;

the first centrifugal fan is arranged in the air mixing cavity and is provided with a first air inlet and a first air outlet, the first air inlet is communicated with the indoor air inlet, and the first air outlet is arranged on the side part of the first centrifugal fan and is communicated with the first indoor air outlet;

the new trend module is located in the casing, the new trend module includes:

the fresh air inlet is communicated with the outside;

one end of the fresh air channel is communicated with the fresh air inlet;

and the fresh air fan is provided with a second air inlet and a second air outlet, the second air inlet is communicated with the other end of the fresh air channel, and the second air outlet is communicated with the air mixing cavity.

In some embodiments of the present application, the method further includes:

the air deflector is arranged at the first indoor air outlet;

a gear connected to the housing;

the rack is connected with the air deflector and meshed with the gear;

and the fourth driving part is connected with the gear, drives the gear to rotate and drives the rack to move, and the rack moves and drives the air deflector to move so as to open or close the first indoor air outlet.

In some embodiments of the present application, the method further includes:

and the fifth driving piece is fixedly arranged on the rack and connected with the air guide plate, and the fifth driving piece drives the air guide plate to rotate.

In some embodiments of the present application, the fresh air module includes a communication pipeline, and a bottom end of the communication pipeline is communicated with the second air outlet of the fresh air fan; the top end of the communicating pipeline is communicated with the air mixing cavity.

In some embodiments of this application, the intercommunication pipeline is the slope setting, the intercommunication pipeline is from keeping away from one side of new trend fan is to keeping away from indoor heat exchanger's direction extends.

In some embodiments of the present invention, the first air outlet of the first centrifugal fan may be located at an upper side and/or a lower side thereof.

In some embodiments of the present application, the first centrifugal fan further has third air outlets located at left and right sides of the first centrifugal fan, and the casing is provided with second indoor air outlets located at left and right sides of the casing and communicated with the third air outlets.

In some embodiments of the present application, a grille is disposed at the second air inlet.

In some embodiments of the present disclosure, a second centrifugal fan is disposed in the casing, and includes a third air inlet and a fourth air outlet; the third air inlet corresponds to the indoor air inlet; and a third indoor air outlet corresponding to the fourth air outlet is formed in the shell.

In some embodiments of the present application, a regulating member is disposed at the third indoor air outlet, and a regulating air duct communicated with the third indoor air outlet is communicated with the third indoor air outlet.

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 accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of an air conditioning indoor unit according to an embodiment of the present application;

fig. 2 is a schematic view of an internal structure of an air conditioning indoor unit according to an embodiment of the present application;

fig. 3 is a schematic cross-sectional view of an air conditioning indoor unit according to an embodiment of the present application;

fig. 4 is a longitudinal sectional view of an air conditioning indoor unit according to an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a wind mixing chamber according to an embodiment of the present application;

FIG. 6 is a schematic diagram of the overall structure of a fresh air channel according to an embodiment of the present application;

FIG. 7 is a schematic view of a first centrifugal fan explosion configuration according to an embodiment of the present application;

FIG. 8 is a schematic diagram of an explosive structure of a fresh air fan according to an embodiment of the present application;

FIG. 9 is a schematic diagram of an explosive structure of a fresh air fan according to an embodiment of the present application;

fig. 10 is a schematic view of the entire structure of the air guide plate portion according to the embodiment of the present application.

In the above figures: 100. a mixed air cavity; 200. a fresh air channel; 201. a fresh air duct; 202. a fresh air cavity; 300. a first centrifugal fan; 301. a first housing; 302. a first centrifugal fan blade; 303. a first driving member; 304. a first air outlet; 305. a third air outlet; 400. a fresh air fan; 401. a second housing; 402. a second centrifugal fan blade; 403. a second driving member; 500. a communicating pipe; 600. a fresh air fan; 601. a third housing; 602. a third centrifugal fan blade; 603. a third driving member; 700. an air deflector; 800. a gear; 900. a fourth drive member; 110. a rack; 120. a fifth driving member; 160. an adjustment member; 170. and adjusting the air duct.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only 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, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

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

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

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.

In the present application, an air conditioner performs a refrigeration cycle of an indoor unit of the air conditioner by using a compressor, a condenser, an expansion valve, and an indoor heat exchanger. 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 the heat is released to the ambient 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 indoor heat exchanger 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 indoor heat exchanger may achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioning indoor unit can adjust the temperature of the indoor space throughout the cycle. The outdoor unit of the air conditioning indoor unit refers to a portion of the refrigeration cycle including the compressor and the outdoor heat exchanger, the indoor unit of the air conditioning indoor unit includes the indoor heat exchanger, and the expansion valve may be provided in the indoor unit or the outdoor unit. The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an indoor heat exchanger. When the indoor heat exchanger is used as a condenser, the indoor air conditioning unit functions as a heater in a heating mode, and when the indoor heat exchanger is used as an indoor heat exchanger, the indoor air conditioning unit functions as a cooler in a cooling mode.

Hereinafter, embodiments of the present application will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, in an exemplary embodiment of the indoor unit of an air conditioner of the present invention, the indoor unit of an air conditioner includes: the air-conditioning system comprises a shell, an air mixing cavity 100, a first centrifugal fan 300, a fresh air channel 200, an indoor heat exchanger, a fresh air module and a fresh air fan 400, wherein an indoor air inlet and a first indoor air outlet are formed in the shell; the indoor heat exchanger is arranged in the shell and is positioned on the inner side of the indoor air inlet; the air mixing cavity 100 is arranged in the shell and is positioned on one side, close to the first indoor air outlet, of the indoor heat exchanger, and the air mixing cavity 100 is communicated with the indoor air inlet and the first indoor air outlet; the first centrifugal fan 300 is arranged in the air mixing cavity 100, the first centrifugal fan 300 is provided with a first air inlet and a first air outlet 304, the first air inlet is communicated with the indoor air inlet, and the first air outlet 304 is arranged on the side part of the first centrifugal fan 300 and is communicated with the first indoor air outlet; the fresh air module is arranged in the shell and comprises a fresh air inlet, a fresh air channel 200 and a fresh air fan 400, and the fresh air inlet is communicated with the outside; one end of the fresh air channel 200 is communicated with a fresh air inlet; the fresh air fan 400 has a second air inlet and a second air outlet, the second air inlet is communicated with one end of the fresh air channel 200 departing from the fresh air inlet, and the second air outlet is communicated with the air mixing cavity 100. Indoor air enters the air mixing chamber 100 under the action of the first centrifugal fan 300; outdoor air enters the air mixing cavity 100 under the action of the fresh air fan 400 and is mixed with indoor air, and the mixed air is output through the first indoor air outlet. When the fresh air fan 400 does not rotate, the indoor air is output by the first centrifugal fan 300 through the first indoor air outlet. When the first centrifugal fan 300 does not rotate, the outdoor air is output by the fresh air fan 400 through the first indoor air outlet.

In some embodiments, the housing is vertically disposed, and the indoor air inlet is disposed at a back side of the housing. Air is heated or cooled by the indoor heat exchanger after passing through the indoor air inlet and then discharged through the first indoor air outlet by the first centrifugal fan 300, so that the indoor temperature is changed. The length direction of the indoor heat exchanger is the same as the length direction of the shell. The indoor heat exchanger is detachably connected with the shell.

Referring to fig. 6, in some embodiments, the fresh air channel 200 includes: the fresh air pipe 201 and the fresh air cavity 202, wherein the fresh air pipe 201 extends out of the shell and is communicated with the outside; the fresh air cavity 202 is arranged in the shell, and the fresh air cavity 202 is communicated with the fresh air pipe 201 and the air mixing cavity 100; the fresh air fan 400 is connected with the fresh air cavity 202. Air enters the fresh air cavity 202 through the fresh air pipe 201, and the fresh air cavity 202 is convenient to install the fresh air fan 400.

In some embodiments, the fresh air duct 201 is a round duct, and the fresh air duct 201 extends through the back of the housing in a direction away from the housing. The fresh air cavity 202 is arranged at the bottom end inside the shell.

Referring to fig. 3 and 7, in some embodiments, the fresh air fan 400 includes: a second casing 401, a second centrifugal fan blade 402 and a second driving member 403, wherein a second air inlet and a second air outlet are both formed in the second casing 401; the second air inlet is communicated with the fresh air cavity 202; the second air outlet is communicated with the air mixing cavity 100; the second centrifugal fan blade 402 is disposed in the second casing 401; the second driving member 403 is disposed in the second housing 401, and the second driving member 403 drives the second centrifugal fan blade 402 to rotate.

In some embodiments, a grille is arranged at the second air inlet of the fresh air fan, and outdoor impurities are prevented from entering the fresh air fan through the grille to cause damage.

In some embodiments, one side of the fresh air cavity 202 away from the fresh air duct 201 is an opening, and the air inlet of the second housing 401 is connected and communicated with the opening of the fresh air cavity 202. The second driving member 403 includes, but is not limited to, an electric motor and a motor, and the second driving member 403 is disposed on a side wall of the second casing 401 far from the fresh air duct 201. The second centrifugal fan blade 402 includes a second rotary disk and a plurality of second blades, the second rotary disk is a circular disk and is coaxially fixed to the output shaft of the second driving member 403, the second blades are fixed to the edge of the second rotary disk, the plurality of second blades are arranged along the circumferential direction of the second rotary disk at intervals, and the distance between any two adjacent second blades is the same. When the unidirectional centrifugal fan blade rotates, the air flow enters the area between the plurality of second blades, and the air is blown to the radial direction of the second turntable under the action of the second blades so that the air enters the air mixing cavity 100 through the second casing 401.

In some embodiments, the fresh air fan 400 is an axial flow fan, and the axial flow fan is disposed in the fresh air duct 201 or the fresh air chamber 202, and outputs air to the air mixing chamber 100 when the axial flow fan rotates.

In some embodiments, a communication pipeline 500 is arranged between the fresh air cavity 202 and the air mixing cavity 100, and the bottom end of the communication pipeline 500 is communicated with the second air outlet of the second casing 401; the top end of the communicating pipe 500 communicates with the air mixing chamber 100.

In some embodiments, the second air outlet is opened at the top end of the second housing 401. The communication duct 500 is disposed in an inclined manner, and the communication duct 500 extends from a side away from the second housing 401 to a direction away from the indoor heat exchanger.

In some embodiments, the first indoor air outlet is opened at a side of the casing facing away from the indoor air inlet. The first indoor air outlet is formed in the front side of the casing, and the first centrifugal fan 300 is arranged between the indoor heat exchanger and the first indoor air outlet.

Referring to fig. 3 and 8, in some embodiments, the first centrifugal fan 300 is replaced by an axial fan, the first outlet 304 faces the first indoor outlet, and the axial fan outputs air through the first outlet 304 and the first indoor outlet when rotating.

In some embodiments, the first centrifugal fan 300 includes: a first housing 301, a first centrifugal fan blade 302 and a first driving member 303, wherein the first housing 301 is disposed in the housing; the first air outlet 304 is arranged on the upper side, the lower side, the upper side or the lower side of the first casing 301; the first centrifugal fan blade 302 is rotatably connected to the first housing 301; the first driving member 303 drives the first centrifugal fan blade 302 to rotate.

In some embodiments, the first housing 301 has a rectangular box shape, and the first air inlet is opened at a side of the first housing 301 facing the indoor heat exchanger. The first air outlets 304 are two and are respectively opened at the top and the bottom of the first housing 301. The first driving member 303 includes, but is not limited to, an electric motor and a motor, and the first driving member 303 is disposed at a side wall of the first casing 301 away from the indoor heat exchanger. The first centrifugal fan blade 302 includes a first rotary disc and a plurality of first blades, the first rotary disc is a circular disc and coaxially fixed to an output shaft of the first driving member 303, the first blades are fixed to an edge of the first rotary disc, the plurality of first blades are circumferentially spaced along the first rotary disc, and a distance between any two adjacent first blades is the same. When the unidirectional centrifugal fan blade rotates, the airflow enters the area between the first blades, and blows air to the radial direction of the first rotating disc under the action of the first blades and enters the air mixing cavity 100 through the first air outlet 304, and the air in the air mixing cavity 100 is output through the first indoor air outlet.

In some embodiments, the housing has a second indoor air outlet, the side wall of the first housing 301 away from the first air outlet 304 has a third air outlet 305, and the third air outlet 305 corresponds to the second indoor air outlet.

In some embodiments, two third outlets 305 are opened on the left and right sides of the first housing 301, and the first centrifugal fan blade 302 rotates to output air through the third outlets 305 and the second indoor outlet.

In some embodiments, a guide plate for adjusting the wind direction is disposed in the third outlet 305. The direction of the air current through the indoor air outlet of second can be adjusted to the angle of adjusting the baffle, adjusts according to the demand, improves the comfort level.

In some embodiments, there are a plurality of guide plates, and the plurality of guide plates are spaced along the length direction of the third outlet 305, and the distance between any two adjacent second guide plates is the same. The baffle is rectangular plate and vertical setting, and the top of baffle is connected with the interior roof rotation of third air outlet 305, and the bottom of baffle is connected with the interior bottom wall rotation of third air outlet 305.

In some embodiments, a connecting rod is disposed in each third air outlet 305, and the connecting rod is disposed along the length direction of the corresponding third air outlet 305. The connecting rod is hinged to each of the corresponding guide plates, and when the connecting rod is pushed, the connecting rod drives all the guide plates to turn over so as to adjust the angle corresponding to the third air outlet 305.

In some embodiments, a pushing member is disposed within the housing, and the pushing member includes, but is not limited to, a cylinder, a linear motor. The output end of the pushing piece is connected with the connecting rod. The indoor unit of the air conditioner further comprises a control panel, the pushing piece is electrically connected with the control panel, the control panel is pressed manually, and the control panel controls the pushing piece to push the connecting rod so as to control the angle of the guide plate. The pushing piece can be controlled to push the connecting rod through a remote controller.

Referring to fig. 3 and 9, in some embodiments, a second centrifugal fan 600 is disposed in the casing, and the second centrifugal fan 600 includes a third air inlet and a fourth air outlet; the third air inlet corresponds to the indoor air inlet; the shell is provided with a third indoor air outlet corresponding to the fourth air outlet. The air passing through the indoor heat exchanger is output to the indoor through the fourth air outlet and the third indoor air outlet under the action of the second centrifugal fan 600.

In some embodiments, the second centrifugal fan 600 is disposed above the first centrifugal fan 300, and the second centrifugal fan 600 includes: a third housing 601, a third centrifugal fan blade 602 and a third driving member 603, wherein the third housing 601 is disposed inside the housing. The third casing 601 is in a rectangular box shape, the third air inlet is opened at one side of the third casing 601 facing the indoor heat exchanger, and the fourth air outlet is opened at the top of the third casing 601; the third centrifugal fan 602 is rotatably connected to the third housing 601; the third driving member 603 drives the third centrifugal fan 602 to rotate. The third driving member 603 includes, but is not limited to, an electric motor and a motor, and the third driving member 603 is disposed at a side wall of the third housing 601 away from the indoor heat exchanger. The third centrifugal fan blade 602 includes a third rotary disk and a plurality of third blades, the third rotary disk is a circular disk and coaxially fixed to the output shaft of the third driving member 603, the third blades are fixed to the edge of the third rotary disk, the plurality of third blades are arranged along the circumferential direction of the third rotary disk at intervals, and the distance between any two adjacent third blades is the same. When the unidirectional centrifugal fan blades rotate, the air flow enters the areas among the third blades, and under the action of the third blades, the air is blown to the radial direction of the third rotating disc and is output to the indoor space through the fourth air outlet and the third indoor air outlet.

In some embodiments, the second centrifugal fan 600 is replaced with an axial fan that directly outputs air passing through the indoor heat exchanger to the indoor through the third indoor outlet.

Referring to fig. 3 and 10, in some embodiments, an air deflector 700 is disposed at the first indoor air outlet, and the casing has: the gear 800, the fourth driver 900 and the rack 110, wherein the fourth driver 900 drives the gear 800 to rotate; the rack 110 is engaged with the gear 800 and connected with the air deflection plate 700.

In some embodiments, the first indoor air outlet is a rectangular opening and the length direction is arranged along the width direction of the shell. The fourth driving member 900 is rotatably connected to the inner wall of the casing, and the fourth driving member 900 is a stepping motor. The air deflector 700 is disposed on a side of the rack 110 facing away from the indoor heat exchanger. The rack 110 is slidably connected to the housing, and when the gear 800 is driven by the fourth driving member 900 to rotate, the rack 110 drives the air guiding plate 700 to move close to or away from the first indoor air outlet, so as to change the size of the air flow output from the first indoor air outlet.

In some embodiments, the air deflection plate 700 is rotatably coupled to the rack 110; the rack 110 is provided with a fifth driving member 120 for driving the air deflector 700 to rotate. The fifth driving member 120 drives the air guiding plate 700 to rotate to change the direction of the air flow outputted from the first indoor air outlet.

In some embodiments, the air deflector 700 is a rectangular plate, two sets of the racks 110, the gear 800 and the fourth driving member 900 are arranged at intervals along the width direction of the casing, and both the racks 110 extend out of the casing through the first indoor air outlet. Both ends of the air guide plate 700 in the length direction are respectively connected to the ends of the two racks 110. The number of the fifth driving members 120 is the same as that of the racks 110, the fifth driving members are arranged in a one-to-one correspondence manner, the fifth driving members are step motors, the bodies of the fifth driving members 120 are installed at the ends, deviating from the indoor heat exchanger, of the corresponding racks 110, and the output shafts of the fifth driving members 120 are connected with the air deflector 700. The fifth driving member 120 drives the air guiding plate 700 to change the angle so as to change the direction of the airflow output from the first indoor air outlet.

In some embodiments, a regulating member 160 is disposed at the third indoor air outlet, and a regulating air duct 170 communicated with the third indoor air outlet is disposed through the regulating member 160.

In some embodiments, the adjusting member 160 is a cylinder, and the adjusting member 160 is coaxially disposed above the first indoor air outlet. The first indoor air outlet is a round opening, and the first indoor air outlet is coaxially arranged with the adjusting member 160. The adjusting member 160 is provided with an adjusting air duct 170, one end of the adjusting air duct 170 penetrates through one side of the adjusting member 160 facing the first indoor air outlet, and the other end of the adjusting air duct 170 penetrates through the outer peripheral wall of the adjusting member 160. The turning of the air flow is achieved by rotating the adjusting member 160.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. An air conditioning indoor unit, characterized in that, it includes:

the shell is provided with an indoor air inlet and a first indoor air outlet;

the new trend module is located in the casing, the new trend module includes:

the fresh air inlet is communicated with the outside;

one end of the fresh air channel is communicated with the fresh air inlet;

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

the air deflector is arranged at the first indoor air outlet;

a gear connected to the housing;

the rack is connected with the air deflector and meshed with the gear;

and the fourth driving part is connected with the gear, drives the gear to rotate and drives the rack to move, and drives the air deflector to move to open or close the first indoor air outlet by the rack moving.

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

and the fifth driving piece is fixedly arranged on the rack and connected with the air deflector, and the fifth driving piece drives the air deflector to rotate.

4. The indoor unit of claim 1, wherein the fresh air module comprises a communication pipe, and the bottom end of the communication pipe is communicated with the second air outlet of the fresh air fan; the top end of the communicating pipeline is communicated with the air mixing cavity.

5. An indoor unit of an air conditioner according to claim 4, wherein the communication duct is provided at an angle, and the communication duct extends from a side away from the fresh air fan to a direction away from the indoor heat exchanger.

6. An indoor unit of an air conditioner according to any one of claims 1 to 5, wherein the first outlet port of the first centrifugal fan is located at an upper side and/or a lower side thereof.

7. An indoor unit of an air conditioner according to any one of claims 1 to 5, wherein the first centrifugal fan further has third outlets on left and right sides thereof, and the casing is provided with second indoor outlets on left and right sides thereof and communicating with the third outlets.

8. An indoor unit of an air conditioner according to any one of claims 1 to 5, wherein a grill is provided at the second air inlet.

9. An indoor unit of an air conditioner according to any one of claims 1 to 5, wherein a second centrifugal fan including a third air inlet and a fourth air outlet is provided in the casing; the third air inlet corresponds to the indoor air inlet; and a third indoor air outlet corresponding to the fourth air outlet is formed in the shell.

10. An indoor unit of an air conditioner as claimed in claim 9, wherein a regulating member is provided at the third indoor air outlet, and a regulating duct communicated with the third indoor air outlet is formed therethrough.