CN217685371U

CN217685371U - Indoor unit of air conditioner

Info

Publication number: CN217685371U
Application number: CN202221033711.5U
Authority: CN
Inventors: 闫秀洁; 王永涛; 黄满良; 李英舒; 李伟伟
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-10-28
Anticipated expiration: 2032-04-29

Abstract

The utility model provides an air-conditioning indoor unit, which comprises a casing and a fresh air module; a left air outlet, a right air outlet and a main air outlet are sequentially arranged on the front side surface of the shell along the left-to-right direction; the fresh air module set up in length direction one end in the casing or set up in the one end of casing just is in the outside of casing, the fresh air module is used for introducing outdoor air indoor. The arrangement of the left air outlet, the right air outlet and the main air outlet can increase the air outlet angle of the indoor unit of the air conditioner, increase the air outlet range and improve the refrigerating and heating speed. The fresh air module can introduce outdoor air into the room, and the oxygen content in the room is increased. And meanwhile, energy loss caused by windowing and air exchange is avoided.

Description

Indoor unit of air conditioner

Technical Field

The utility model relates to an air conditioning technology field especially relates to an indoor unit of air conditioner.

Background

Along with the improvement of living standard of people, people have higher and higher requirements on the performance of air conditioners. The air outlet of the traditional air-conditioning indoor unit is positioned below the front part of the whole unit at present, and the problems of small air supply angle, low refrigerating and heating speed, direct blowing for heating and uncomfortable air supply exist. Moreover, when the air conditioner is opened, the room is generally closed, oxygen deficiency is easy to occur in a cooling or heating mode, and the cooling or heating effect of the air conditioner is easily and obviously influenced by opening the window to change air and increase oxygen.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned problem, provided the utility model discloses so as to provide an air conditioning indoor unit who overcomes above-mentioned problem or solve above-mentioned problem at least partially, can solve the air conditioning indoor unit refrigeration heating speed slow, wind directly blows people, the air supply is uncomfortable and open the window and trade the problem that the oxygenation obviously influences air conditioning refrigeration easily or heats the effect, reaches air conditioning indoor unit a plurality of air outlet air-outs, does not directly blow the people and can introduce the new trend at the air conditioner under the condition that the window is not opened.

Specifically, the utility model provides an air-conditioning indoor unit, which comprises a casing and a fresh air module; a left air outlet, a main air outlet and a right air outlet are sequentially arranged on the front side surface of the shell along the left-to-right direction; the new trend module set up in length direction one end or set up in the casing one end of casing just is in the outside of casing, the new trend module is used for introducing outdoor air indoor.

Optionally, the main air outlet is a long strip-shaped air outlet extending along the transverse direction; the left air outlet and the right air outlet are both strip-shaped air outlets extending along the up-down direction; the fresh air module is arranged on the left side of the left air outlet.

Optionally, the fresh air module is arranged in the casing, an air inlet is arranged at the top of the casing, a fresh air outlet is also arranged on the casing, and an air outlet of the fresh air module is communicated with or aligned with the fresh air outlet through a pipeline; the fresh air outlet is positioned at the top of the shell and at one side of the air inlet so as to enable part or all of the air exhausted by the fresh air module to enter the air inlet; or the fresh air module is arranged outside the casing, and the top of the casing is provided with an air inlet; the air outlet of the fresh air module faces upwards, so that part or all of air exhausted by the fresh air module enters the air inlet.

Optionally, the method further comprises: the heat exchange air duct is arranged in the shell, and an outlet of the heat exchange air duct is the main air outlet; the heat exchanger is arranged in the heat exchange air duct; the left bypass air channel is arranged on the left side of the heat exchange air channel and communicated with the heat exchange air channel so as to receive the airflow in the heat exchange air channel after heat exchange with the heat exchanger; the left air outlet cavity is communicated with the left bypass air duct; the left air outlet is arranged on the front cavity wall of the left air outlet cavity and penetrates to the outer side of the indoor unit of the air conditioner; the right bypass air channel is arranged on the right side of the heat exchange air channel and is communicated with the heat exchange air channel so as to receive the airflow in the heat exchange air channel after the airflow exchanges heat with the heat exchanger; the right air outlet cavity is communicated with the right bypass air channel; and the right air outlet is arranged on the front cavity wall of the right air outlet cavity and penetrates to the outer side of the indoor unit of the air conditioner.

Optionally, the left bypass air duct and the right bypass air duct are connected to the corresponding side walls of the outlet end of the heat exchange air duct; in the transverse direction, the left bypass air duct is arranged between the left air outlet cavity and the heat exchange air duct, and the right bypass air duct is arranged between the right air outlet cavity and the heat exchange air duct; the lower end of the left air outlet cavity is communicated with the left bypass air channel, and the lower end of the right air outlet cavity is communicated with the right bypass air channel.

Optionally, the fresh air module comprises an impeller, a volute and a purification shell, the volute and the purification shell are connected in an attached mode, and the inner space of the volute is communicated;

the impeller is arranged in the volute, and the air outlet of the fresh air module is arranged on the volute; and the purification shell is provided with a fresh air inlet, and a purification module is arranged in the purification shell, so that fresh air sucked from the fresh air inlet flows to the impeller after being purified by the purification module.

Optionally, the fresh air module has a plurality of air outlets, and the air outlets are arranged at different circumferential positions of the volute.

Optionally, the peripheral surface of the purification shell is provided with a socket to allow the purification module to be inserted into the purification shell through the socket.

Optionally, the heat exchange air duct further comprises a swinging blade device, the swinging blade device comprises at least two swinging blade groups which are sequentially arranged along the transverse direction, and each swinging blade group comprises a plurality of swinging blade blades which are arranged in the heat exchange air duct and are sequentially arranged along the transverse direction.

Optionally, the heat exchange air duct includes a first air duct section and a second air duct section for receiving an air flow of the first air duct section; each bypass air channel is connected to one side of the second air channel section; the width of the second air duct section is larger than that of the first air duct section along the transverse direction; one side of the first air duct section is flush with one side of the second air duct section along the transverse direction; the profiles of the cross sections of the left bypass air duct and the right bypass air duct are the same as the profiles of the corresponding side surfaces of the second air duct section.

The utility model discloses an among the air conditioning indoor set, the setting of left side air outlet, main air outlet and right side air outlet can make the air-out angle grow of air conditioning indoor set, and the air-out scope also increases, improves refrigeration, heating speed, realizes the noninductive air supply, improves user's travelling comfort. The fresh air module can introduce outdoor air into a room, increase the oxygen content in the room, and simultaneously avoid energy loss caused by window opening ventilation.

Further, the utility model discloses among the air conditioning indoor unit, because the existence in bypass wind channel and side air outlet chamber, can make the air supply of left side air outlet and right side air outlet realize no wind and feel, improve user's travelling comfort. Because the left air outlet and the right air outlet share the heat exchange air channel through the corresponding bypass air channels, the heat exchange of the heat exchanger is uniform during air outlet, and the problem of local frosting of the heat exchanger is effectively avoided.

Further, the utility model discloses among the air conditioning indoor unit, the new trend module still contains purification module except can introducing the new trend, and purification module is arranged in the harmful substance of filtering new trend air current. The purification module can also have other processing functions to further process the fresh air flow, so that the fresh air flow is more fresh and healthy.

Further, the utility model discloses among the air conditioning indoor set, the air current that flows from the heat transfer wind channel gets into the bypass wind channel through the water conservancy diversion effect of the pendulum leaf blade of pendulum leaf device, then discharges from both sides air outlet, owing to be provided with the pendulum leaf device, the discharge of air current is more convenient.

Further, the utility model discloses a preferably wall-hanging air conditioning indoor set in the air conditioning.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily to scale. In the drawings:

fig. 1 is a schematic structural view of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 2 is another schematic structural view of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of an air deflector of an air conditioning indoor unit according to an embodiment of the present invention, not completely closed;

fig. 4 is a schematic cross-sectional view illustrating an opening of an air guide plate of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a framework of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 6 is a schematic view of a fresh air module according to an embodiment of the present invention;

fig. 7 is a schematic diagram of a fresh air module according to an embodiment of the present invention.

Detailed Description

An air conditioning indoor unit according to an embodiment of the present invention is described below with reference to fig. 1 to 7. In the description of the present embodiments, it is to be understood that 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 at least one such feature, i.e., one or more such features. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. When a feature "comprises or comprises" a or some of its intended features, this indicates that other features are not excluded and that other features may be further included, unless expressly stated otherwise.

Unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," "secured," and "coupled" and the like are intended to be inclusive and mean, for example, that is, permanently connected, removably connected, or integral to; can be mechanically or electrically connected; 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. Those skilled in the art should understand the specific meaning of the above terms in the present invention according to specific situations.

Further, in the description of the present embodiment, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature therebetween. That is, in the description of the present embodiment, the first feature being "on", "above" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is higher in level than the second feature. A first feature "under," "beneath," or "beneath" a second feature may be directly under or obliquely under the first feature, or simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiments, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., means 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Fig. 1 is a schematic structural diagram of an indoor unit 1000 of an air conditioner according to an embodiment of the present invention, as shown in fig. 1, and referring to fig. 2 to 7, an embodiment of the present invention provides an indoor unit 1000 of an air conditioner, which includes a casing 100, and further includes a fresh air module 120. A left air outlet 111, a main air outlet 112 and a right air outlet 113 are sequentially disposed on a front side surface of the cabinet 100 in a left-to-right direction. The fresh air module 120 is disposed at one end of the housing 100 in the length direction, and the fresh air module 120 is used for introducing outdoor air into a room. In an alternative embodiment of the present invention, the fresh air module 120 is disposed at one end of the casing 100 and outside the casing 100.

The utility model discloses in the air conditioning indoor set 1000 of embodiment, like figure 3 and figure 4, the air current after carrying out the heat exchange with heat exchanger 116 in heat transfer wind channel 115 passes through main air outlet 112, left side air outlet 111 and right side air outlet 113 discharge air conditioning indoor set 1000, main air outlet 112 department is provided with aviation baffle 110, aviation baffle 110 configures into the main air outlet 112 that opens and shuts to make main air outlet 112 have different apertures, and then make air conditioning indoor set 1000 have different air-out modes. For example, an air-out mode in which air is blown only from the side air outlet. For example, the left air outlet 111, the right air outlet 113, and the main air outlet 112 simultaneously supply air, and the opening degree of the main air outlet 112 is small, so that another type of non-wind-sensation air supply can be realized. For another example, the left air outlet 111, the right air outlet 113 and the main air outlet 112 simultaneously supply air, and the opening degree of the main air outlet 112 is large, so that rapid air supply is realized, and the air supply angle is large, so that the air supply range is large.

The left air outlet 111, the right air outlet 113 and the main air outlet 112 are arranged, so that the air outlet angle of the indoor unit 1000 of the air conditioner is increased, the air outlet range is also increased, non-sensible air supply and quick air supply are realized, the refrigerating and heating speed is increased, the refrigerating air is blown flatly without blowing people, and the comfort of users is improved. The fresh air module 120 can introduce outdoor air into the room, increase the oxygen content in the room, and simultaneously avoid energy loss caused by window opening ventilation.

In some embodiments of the present invention, the main air outlet 112 is an elongated air outlet extending in a transverse direction. The left air outlet 111 and the right air outlet 113 are both strip-shaped air outlets extending in the up-down direction. The fresh air module 120 is disposed at the left side of the left air outlet 111. The left air outlet 111 and the right air outlet 113 can supply air horizontally, so that no wind feeling can be realized, cold wind is prevented from blowing directly, and the comfort of a user is improved.

In some embodiments of the present invention, the air deflector 110 is disposed at the main air outlet 112, and the air deflector 110 is configured to open and close the main air outlet 112, so that the main air outlet 112 has different opening degrees, and the indoor unit 100 of the air conditioner has different air outlet modes. Specifically, the main outlet 112 has an opening degree greater than a first percentage, so that the indoor unit 100 has a first outlet mode, and the main outlet 112 has an opening degree less than a second percentage, so that the indoor unit 100 has a second outlet mode. The first percentage is greater than or equal to the second percentage. For example, the first percentage is 20% to 40%, the second percentage is 20% or 5%, preferably, both the first and second percentages are 20%. The ratio between the air output of the air outlet at the lower side of the second air-out mode and the air output of the main air outlet 112 is greater than the ratio between the air output of the air outlet at the lower side of the first air-out mode and the air output of the main air outlet 112. By adjusting the opening degree of the main air outlet 112, the ratio between the air output of the main air outlet 112 and the air output of the side air outlets is adjusted, so that the use requirements of different air supply modes are met.

At least in the second air outlet mode, under the action of the air guiding plate 110, the air outlet amount between the upper edge of the air guiding plate 110 and the upper edge of the main air outlet 112 is greater than the air outlet amount between the lower edge of the air guiding plate 110 and the lower edge of the main air outlet 112. Set up like this for the second air-out mode can be for the no wind sense air supply, and realizes that the refrigeration wind is flat to be blown and does not blow the people, improves user's travelling comfort. Moreover, the opening degree of the air deflector 110 is controlled, so that the air deflector 110 is located at a proper position, and condensation can be prevented, for example, the second percentage is 10%, condensation can be prevented, and meanwhile, most of the air at the main air outlet 112 is blocked and blown out through the side air outlets, so that refrigeration flat blowing without blowing people is realized, the air outlet range is enlarged, and the comfort of users is improved.

In some embodiments of the present invention, the top of the casing 100 is provided with an air inlet 114, the casing 100 is further provided with a fresh air outlet, and the air outlet 124 of the fresh air module is communicated or aligned with the fresh air outlet through a pipeline. The fresh air outlet is located at the top of the casing 100 and at one side of the air inlet 114, so that part or all of the air exhausted by the fresh air module 120 enters the air inlet 114. Part or all of the fresh air enters the air inlet 114, so that the fresh air is mixed with air in the indoor unit 1000 of the air conditioner and then enters the room, and the influence of the temperature of the fresh air on the indoor temperature can be partially or completely reduced.

In some alternative embodiments of the present invention, the fresh air module 120 is disposed outside the casing 100, and the top of the casing 100 is provided with the air inlet 114. The air outlet of the fresh air module 120 faces upward, so that part or all of the air exhausted by the fresh air module 120 enters the air inlet 114. The fresh air module 120 is disposed outside the casing 100, so that the installation is convenient, and the fresh air module 120 may be installed or not installed according to the requirement of the user.

In some embodiments of the present invention, the indoor unit 1000 of the air conditioner further includes a heat exchanging air duct 115, a heat exchanger 116, a left bypass air duct 117, a right bypass air duct 118, a left air outlet chamber and a right air outlet chamber. The heat exchange air duct 115 is disposed in the casing 100, and an outlet of the heat exchange air duct 115 is the main air outlet 112. The heat exchanger 116 is disposed in the heat exchange air duct 115. The left bypass air duct 117 is disposed at the left side of the heat exchange air duct 115, and the left bypass air duct 117 is communicated with the heat exchange air duct 115 to receive the air flow in the heat exchange air duct 115 after heat exchange with the heat exchanger 116. The left air outlet cavity is communicated with a left bypass air duct 117. The left air outlet 111 is disposed on a front cavity wall of the left air outlet cavity and penetrates to an outer side of the indoor unit 1000 of the air conditioner. The right bypass air duct 118 is disposed on the right side of the heat exchange air duct 115, and the right bypass air duct 118 is communicated with the heat exchange air duct 115 to receive the air flow in the heat exchange air duct 115 after heat exchange with the heat exchanger 116. The right air outlet cavity is communicated with a right bypass air duct 118. The right air outlet 113 is disposed on the front cavity wall of the right air outlet cavity and penetrates to the outside of the indoor unit 1000 of the air conditioner.

Due to the existence of the bypass air duct and the side air outlet cavity, the air supply of the left air outlet 111 and the right air outlet 113 can be realized without wind feeling, and the comfort of users is improved. Because the left air outlet 111 and the right air outlet 113 share the heat exchange air duct 115 through the corresponding bypass air ducts, the heat exchanger 116 exchanges heat uniformly during air outlet, and the problem that the heat exchanger 116 is partially frosted is effectively avoided.

In some embodiments of the present invention, the left bypass duct 117 and the right bypass duct 118 are connected to the side wall corresponding to the outlet end of the heat exchange duct 115. In the transverse direction, a left bypass air duct 117 is disposed between the left air outlet chamber and the heat exchange air duct 115, and a right bypass air duct 118 is disposed between the right air outlet chamber and the heat exchange air duct 115. The lower end of the left air outlet cavity is communicated with a left bypass air duct 117, and the lower end of the right air outlet cavity is communicated with a right bypass air duct 118. Further, the casing 100 of the indoor unit 1000 of the air conditioner may include a frame 119 and a bypass duct, the bypass duct is disposed on the frame 119, and an inner space of the bypass duct is a bypass air duct. The airflow in the heat exchange air duct 115 after heat exchange with the heat exchanger 116 enters the side air outlet cavity, and the side air outlet is blown out outwards.

In some embodiments of the present invention, as shown in fig. 6 and 7, the fresh air module 120 includes an impeller, a volute 122 and a purifying shell 123, the volute 122 and the purifying shell 123 are connected by abutting, and the inner space is communicated. The impeller is disposed in the volute 122, and the air outlet 124 of the fresh air module is disposed on the volute 122. And the purifying shell 123 is provided with a fresh air inlet 125, and a purifying module is arranged in the purifying shell 123, so that fresh air flow sucked from the fresh air inlet 125 is purified by the purifying module and then flows to the impeller.

By adopting the structure, the structural layout of the fresh air module 120 can be more reasonable and compact, and the whole module occupies less space. The purification module can be a filtration module to filter harmful impurities in the fresh air stream. The purification module can also have other processing functions to further process the fresh air flow, so that the fresh air flow is more fresh and healthy.

In some embodiments of the present invention, the air outlet 124 of the fresh air module is plural and is disposed at different circumferential positions of the spiral casing 122. For example, the air outlet 124 of the fresh air module includes an air outlet disposed at the upper end of the scroll casing 122 and an air outlet disposed at the lower end of the scroll casing 122. The air outlets of the fresh air module simultaneously discharge air, so that the air discharge of the fresh air module is smoother, the wind power is stronger, the fresh air quantity of the indoor unit 1000 of the air conditioner is larger, and the updating speed of the indoor air is accelerated. Moreover, the number of the air outlets 124 of the plurality of fresh air modules is increased, and the air outlet resistance of the fresh air flow is also reduced.

In some embodiments of the present invention, the insertion holes are opened on the circumference of the purification case 123 to allow the purification module to be inserted into the purification case 123 through the insertion holes 121. The arrangement of the socket 121 makes the purification module convenient and fast to replace.

The utility model discloses an in some embodiments, machine 1000 still includes the pendulum leaf device in the air conditioning, and the pendulum leaf device includes two at least pendulum leaf groups that set gradually along the transverse direction, and every pendulum leaf group includes a plurality of pendulum leaf blades that set gradually along the transverse direction that set up in heat transfer wind channel 115. The airflow flowing out of the heat exchange air duct 115 enters the bypass air duct through the flow guiding effect of the swing blade device and is then discharged from the air outlets on the two sides.

In some embodiments of the present disclosure, the heat exchange duct 115 includes a first duct section and a second duct section for receiving the airflow of the first duct section. Each bypass duct is connected to one side of the second duct section. The width of the second air duct section is greater than the width of the first air duct section along the transverse direction. Along the transverse direction, one side of first wind channel section and one side parallel and level of second wind channel section. The profiles of the cross-sections of the left and right

bypass air ducts

117, 118 are the same as the profiles of the respective sides of the second air duct section.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims

1. An air-conditioning indoor unit comprises a shell and is characterized by further comprising a fresh air module; a left air outlet, a main air outlet and a right air outlet are sequentially arranged on the front side surface of the shell along the left-to-right direction; the fresh air module set up in length direction one end in the casing or set up in the one end of casing just is in the outside of casing, the fresh air module is used for introducing outdoor air indoor.

2. An indoor unit of an air conditioner according to claim 1, wherein the main outlet is an elongated outlet extending in a transverse direction; the left air outlet and the right air outlet are both strip-shaped air outlets extending along the up-down direction; the fresh air module is arranged on the left side of the left air outlet.

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

the fresh air module is arranged in the casing, an air inlet is formed in the top of the casing, a fresh air outlet is also formed in the casing, and the air outlet of the fresh air module is communicated with or aligned with the fresh air outlet through a pipeline; the fresh air outlet is positioned at the top of the shell and at one side of the air inlet so as to enable part or all of the air exhausted by the fresh air module to enter the air inlet; or

The fresh air module is arranged outside the casing, and an air inlet is formed in the top of the casing; the air outlet of the fresh air module faces upwards, so that part or all of the air exhausted by the fresh air module enters the air inlet.

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

the heat exchange air duct is arranged in the shell, and an outlet of the heat exchange air duct is the main air outlet;

the heat exchanger is arranged in the heat exchange air duct;

the left bypass air channel is arranged on the left side of the heat exchange air channel and communicated with the heat exchange air channel so as to receive the airflow in the heat exchange air channel after heat exchange with the heat exchanger;

the left air outlet cavity is communicated with the left bypass air duct; the left air outlet is arranged on the front cavity wall of the left air outlet cavity and penetrates to the outer side of the indoor unit of the air conditioner;

the right bypass air channel is arranged on the right side of the heat exchange air channel and is communicated with the heat exchange air channel so as to receive the airflow in the heat exchange air channel after the airflow exchanges heat with the heat exchanger;

the right air outlet cavity is communicated with the right bypass air channel; and the right air outlet is arranged on the front cavity wall of the right air outlet cavity and penetrates to the outer side of the indoor unit of the air conditioner.

5. The indoor unit of claim 4, wherein the left bypass duct and the right bypass duct are connected to respective sidewalls of an outlet end of the heat exchange duct; in the transverse direction, the left bypass air duct is arranged between the left air outlet cavity and the heat exchange air duct, and the right bypass air duct is arranged between the right air outlet cavity and the heat exchange air duct; the lower end of the left air outlet cavity is communicated with the left bypass air channel, and the lower end of the right air outlet cavity is communicated with the right bypass air channel.

6. An indoor unit of an air conditioner according to claim 3,

the fresh air module comprises an impeller, a volute and a purification shell, the volute and the purification shell are connected in an attached mode, and the inner space of the volute is communicated with the inner space of the purification shell;

7. An indoor unit of an air conditioner according to claim 6,

the air outlet of new trend module is a plurality of, set up in the different positions of spiral case circumference.

8. An indoor unit of an air conditioner according to claim 7,

the peripheral surface of the purification shell is provided with a socket so as to allow the purification module to be inserted into the purification shell through the socket.

9. An indoor unit of an air conditioner according to claim 4, further comprising a swing blade device, wherein the swing blade device comprises at least two swing blade groups arranged in sequence along the transverse direction, and each swing blade group comprises a plurality of swing blade blades arranged in the heat exchange air duct in sequence along the transverse direction.

10. The indoor unit of claim 4, wherein the heat exchange air duct comprises a first air duct section and a second air duct section for receiving an air flow of the first air duct section; each bypass air channel is connected to one side of the second air channel section; the width of the second air duct section is larger than that of the first air duct section along the transverse direction; one side of the first air duct section is flush with one side of the second air duct section along the transverse direction; the profiles of the cross sections of the left bypass air duct and the right bypass air duct are the same as the profiles of the corresponding side surfaces of the second air duct section.