CN209744533U - air conditioner indoor unit - Google Patents

Abstract

The utility model provides an air conditioner indoor unit, including the casing that has air intake and at least one air outlet and set up the heat exchanger in the casing, the new trend wind channel, new trend pipe and new trend fan, the heat exchanger is located the low reaches of air intake on the air current route, configure to and carry out the heat transfer with the air current that gets into from the air intake, the end and the outdoor environment intercommunication of advancing of new trend pipe, its fresh air import intercommunication that goes out end and new trend wind channel, the new trend export in the air intake is located the upper reaches of air intake, and communicate with the air intake, so that the air current that flows out by the new trend export gets into in the indoor set from the air intake, new trend fan configures to make outdoor environment air get into in the new trend wind channel through the new trend pipe, and flow out from the new trend export. Therefore, when fresh air is introduced into the room, the temperature of the air flow blown into the room is uniform, and the influence on the indoor temperature caused by directly blowing the fresh air into the room without heat exchange is avoided.

Description

air conditioner indoor unit

technical field

The utility model relates to the technical field of household appliances, in particular to an indoor unit of an air conditioner.

Background technique

When the air conditioner is in cooling and heating operation, in order to ensure the cooling and heating effect, it runs in a closed room for a long time. Due to the breathing of the indoor people and the closed space prevents the circulation of air, the indoor carbon dioxide concentration increases under the condition of long-term air conditioning operation. (The indoor air quality standard GBT18883-2002 stipulates that the indoor _CO2 concentration should not exceed 0.1%, that is, 1000PPM), and the indoor air is dirty, which may cause shortness of breath, dizziness, vomiting or physical discomfort for indoor personnel.

In order to improve the indoor ambient air, a fresh air system can generally be installed indoors. The outdoor ambient air can be introduced into the room through the fresh air system to realize indoor and outdoor air circulation. The temperature difference between the hot and cold airflow is large, which affects the user's comfort experience.

Contents of the invention

In view of the above problems, an object of the present invention is to provide an air conditioner indoor unit that overcomes the above problems or at least partially solves the above problems.

A further purpose of the utility model is to improve the indoor air quality and enhance the air supply comfort of the indoor unit.

The utility model provides an indoor unit of an air conditioner, comprising:

The casing has an air inlet and at least one air outlet;

The heat exchanger is arranged in the casing, located downstream of the air inlet on the airflow path, and is configured to exchange heat with the airflow entering from the air inlet;

The fresh air duct is arranged in the casing. On the flow path of the fresh air, its fresh air outlet is located upstream of the air inlet and communicates with the air inlet, so that the airflow flowing out of the fresh air outlet enters the indoor unit from the air inlet;

The fresh air duct, its inlet end is connected with the outdoor environment, and its outlet end is connected with the fresh air inlet of the fresh air duct;

The fresh air fan is arranged in the fresh air duct, and is configured to make outdoor ambient air enter the fresh air duct through the fresh air duct, flow out from the fresh air outlet, and enter the air inlet.

Optionally, the indoor unit also includes:

The negative ion generator is installed in the fresh air duct to generate negative oxygen ions.

Optionally, the indoor unit also includes:

The air filter module is set in the fresh air duct and is adjacent to the fresh air inlet, and is used to purify the outdoor ambient air entering the fresh air duct;

The air freshening module is arranged in the fresh air duct and is located downstream of the air filtering module on the air flow path, and is used for fresh air.

Optionally, the indoor unit also includes:

an air quality sensor configured to detect the air quality of the indoor environment where the indoor unit is located;

The fresh air fan is configured to be turned on when the air quality detected by the air quality sensor is lower than the preset air quality, so that the outdoor ambient air enters the room.

Optionally, the indoor unit of the air conditioner is an indoor unit of a cabinet air conditioner;

The fresh air duct is set at the bottom of the casing;

The fresh air duct is located at the rear of the cabinet.

Optionally, the air inlet is formed at the rear of the casing;

The fresh air outlet of the fresh air duct is located at the rear of the air inlet and is close to the lower end of the air inlet.

Optionally, the indoor unit also includes:

At least one air supply assembly is arranged in the casing and above the fresh air duct, configured to make the air entering from the air inlet pass through the heat exchanger, and then flow from at least one air outlet to the indoor environment where the indoor unit is located.

Optionally, there are two air outlets, namely an upper air outlet formed on the front side of the upper end of the casing and a lower air outlet formed under the casing;

There are two air supply assemblies, namely the first air supply assembly at the top and the second air supply assembly at the bottom. The first air supply assembly is configured to encourage part of the air flow after heat exchange with the heat exchanger to flow through the upper air outlet To the indoor environment, the second air supply assembly is configured to encourage part of the airflow after heat exchange with the heat exchanger to flow into the indoor environment through the lower air outlet.

Optionally, the air supply assembly includes a volute and a centrifugal fan disposed in the volute, and the centrifugal fan is configured to promote the airflow after heat exchange with the heat exchanger to flow into the indoor environment through at least one air outlet.

Optionally, the indoor unit also includes:

A plurality of air guiding swing vanes are arranged at the upper air outlet, configured to guide the airflow flowing out of the upper air outlet, so as to adjust the air outlet direction of the upper air outlet.

In the indoor unit of the air conditioner of the utility model, a fresh air device is added on the indoor unit, and fresh air can still be introduced into the room to improve the indoor air quality when the room is closed; The air outlet enters the interior of the indoor unit, passes through the heat exchanger, and then blows into the indoor environment from the air outlet, so that the temperature of the airflow blowing to the indoor unit is more uniform, and prevents the fresh air from being directly blown into the room without heat exchange and affecting the indoor temperature.

Further, in the air conditioner indoor unit of the present utility model, by adding an anion generator, an air filter module and an air freshening module in the fresh air duct, the fresh air entering the room is processed, which greatly improves the indoor air quality and provides users with more Comfortable, healthy and fresh living environment.

Furthermore, in the air conditioner indoor unit of the utility model, there are upper air outlet, lower air outlet and two air supply assemblies respectively corresponding to the upper air outlet and the lower air outlet, which can realize simultaneous air supply up and down, and the air volume Large, it can quickly and effectively improve the indoor air quality; and, according to the operating mode of the indoor unit, the two air supply components can be selectively controlled to operate independently to improve the cooling/heating air supply comfort.

According to the following detailed description of specific embodiments of the utility model in conjunction with the accompanying drawings, those skilled in the art will be more aware of the above and other objectives, advantages and features of the utility model.

Description of drawings

Hereinafter, some specific embodiments of the present utility model will be described in detail in an exemplary rather than restrictive manner with reference to the accompanying drawings. The same reference numerals in the drawings designate the same or similar parts or parts. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the attached picture:

Fig. 1 is a schematic diagram of one direction of an air conditioner indoor unit according to an embodiment of the present invention;

Fig. 2 is a schematic diagram of another direction of an air conditioner indoor unit according to an embodiment of the present invention;

Fig. 3 is a side sectional view of an air conditioner indoor unit according to an embodiment of the present invention;

Fig. 4 is an exploded schematic diagram of a fresh air duct and a fresh air pipe of an air conditioner indoor unit according to an embodiment of the present invention;

Fig. 5 is an exploded schematic view of the fresh air duct and the fresh air pipe of the indoor unit of the air conditioner according to an embodiment of the present utility model, wherein the components inside the fresh air duct are shown;

Fig. 6 is a schematic diagram of a fresh air duct of an air conditioner indoor unit according to an embodiment of the present invention; and

Fig. 7 is an exploded schematic diagram of components such as an air filter module, an air freshening module, and a negative ion generator of an air conditioner indoor unit according to an embodiment of the present invention.

Detailed ways

This embodiment provides an air conditioner indoor unit 100. The air conditioner indoor unit 100 according to the embodiment of the present utility model will be described below with reference to FIG. 1 to FIG. 7 . In the following description, the orientations or positional relationships indicated by "front", "rear", "upper", "lower", etc. are based on the reference orientation of the indoor unit 100 itself, as shown in Figure 1, which indicates "Front" and "Back" directions.

In this embodiment, the indoor unit 100 of the air conditioner has an air inlet 111 and at least one air outlet (112, 113). A heat exchanger 130 is arranged in the casing 110 of the indoor unit 100. The heat exchanger 130 is generally located on the airflow path. The downstream of the air inlet 111 is configured to exchange heat with the airflow entering from the air inlet 111, so as to adjust the temperature of the indoor environment to reach the temperature set by the user, and provide the user with a suitable indoor environment.

The indoor unit 100 includes an indoor unit 100 that is roughly the same in appearance and performance as in the prior art, and also includes a fresh air device. As shown in FIGS. The fresh air duct 120 and the fresh air blower 103 in the shell 110, the inlet end of the fresh air duct 101 communicates with the outdoor environment, and its outlet communicates with the fresh air inlet 122 of the fresh air duct 120, so as to introduce outdoor ambient air into the fresh air duct 120 .

The fresh air duct 120 is on the flow path of the fresh air, and its fresh air outlet 121a is located upstream of the air inlet 111 and communicated with the air inlet 111, so that the airflow blown from the fresh air outlet 121a of the fresh air duct 120 can enter the room through the air inlet 111 In the machine 100, to exchange heat with the heat exchanger 130, and mix with the indoor air that enters through the air inlet 111 and exchanges heat with the heat exchanger 130, and then blows into the indoor environment from the air outlet (112, 113), thereby While introducing outdoor air into the indoor environment, it ensures that the temperature of the air finally blown into the room by the air outlets (112, 113) is even and suitable, and improves user comfort experience.

The fresh air blower 103 is arranged in the fresh air duct 120, and is configured to promote the outdoor ambient air to enter the fresh air duct 120 through the fresh air duct 101, flow out from the fresh air outlet 121a, and enter the air inlet 111, so as to speed up the entry of outdoor air and accelerate the flow of outdoor air. The renewal of indoor air can improve indoor air quality more effectively.

The indoor unit 100 of the air conditioner in this embodiment can be the indoor unit 100 of a cabinet air conditioner, and the fresh air duct 120 can be arranged at the bottom of the casing 110 of the indoor unit 100, that is to say, the bottom of the casing 110 has a cavity, in which the fresh air duct 120 is disposed. The fresh air duct 101 is located at the rear of the casing 110 and communicates with the fresh air inlet 122 of the fresh air duct 120 . Correspondingly, the fresh air inlet 122 is formed at the rear of the fresh air duct 120 .

The fresh air duct 120 is also provided with a negative ion generator 104. The negative ion generator 104 generates negative oxygen ions. The air outlets (112, 113) are sent into the airtight indoor environment, which can effectively purify the air, and create an air negative ion recuperation space indoors, so as to provide users with a more comfortable and healthier living environment.

Furthermore, an air filter module and an air freshening module 105 can also be provided in the fresh air duct 120 , and the air filter module can be adjacent to the fresh air inlet 122 to purify the outdoor ambient air entering the fresh air duct 120 . The air freshening module 105 is located downstream of the air filtration module in the airflow path. Under the action of the fresh air fan 103, the outdoor air entering the fresh air inlet 122 is first purified by the air filter module, then passes through the air freshening module 105, and then enters the air inlet 111 from the fresh air outlet 121a, and enters the indoor unit 100 through the air inlet 111 .

Wherein, as shown in Figure 7, the air filter module can include a fresh air filter element 106 and a fresh air filter screen 107, the fresh air filter screen 107 can be arranged on the upstream of the fresh air filter core 106, and the fresh air filter screen 107 can filter dust and large particles in the air , The fresh air filter element 106 is a high-efficiency HEPA material, which can further effectively filter impurities in the air, and at the same time remove PM2.5, formaldehyde, etc.

The fresh air module 105 is a module containing ethanol, essence, deionized water and other components, which can emit fragrance and remove the peculiar smell in the house.

When the fresh air fan 103 is turned on, the outdoor ambient air enters the fresh air duct 120 through the fresh air, and is first filtered through the fresh air filter 107 to prevent large particles from entering the room with the fresh air, and then passes through the fresh air filter 106, which purifies the fresh air , to remove dirty air, after that, the fresh air passes through the air freshening module 105, and the air freshening module 105 performs refreshing treatment on the fresh air, and finally, the fresh air passes through the negative ion generator 104, which generates negative oxygen ions, and the fresh air containing negative oxygen ions is finally In the indoor airtight room where it was sent. Thus, through the aforementioned layer-by-layer treatment, the quality of the air entering the room can be improved, thereby providing users with a more comfortable, healthy, and fresh living environment.

The indoor unit 100 of this embodiment may further include an air quality sensor 109 for detecting the air quality of the indoor environment where the indoor unit 100 is located, and the fresh air fan 103 is configured to be turned on when the air quality detected by the air quality sensor 109 is lower than a preset air quality. , so that the outdoor ambient air enters the room.

The air quality sensor 109 can be arranged at the air inlet 111. As shown in FIG. The portion has an opening to communicate the accommodating cavity with the indoor, so that the air quality sensor 109 can accurately detect the air quality of the indoor environment.

Generally, in order to ensure the cooling effect of the indoor unit 100 in summer or the heating effect in winter, the air-conditioned room of the user seldom opens the door or window for ventilation. The air quality is seriously substandard, affecting the health of users. In this embodiment, by adding an air quality sensor 109, the indoor air quality can be monitored in real time, and the fresh air fan 103 can be turned on in time to introduce fresh air into the room to improve the indoor air quality.

The user's mobile terminal can be installed with an air quality monitoring APP bound to the indoor unit 100 by default, and the air quality parameters detected by the air quality sensor 109 can be transmitted to the APP in real time, and feedback to the indoor unit 100 when the air quality is not up to standard , to open the fresh air blower 103, negative ion generator 104, etc.

The air quality sensor 109 may include a carbon dioxide concentration detection sensor, a formaldehyde detection sensor, a volatile organic compound detection sensor, and the like. For example, the air quality sensor 109 is a carbon dioxide concentration detection sensor. According to the indoor air quality standard GBT18883-2002, the indoor CO ₂ concentration cannot exceed 0.1%, that is, 1000PPM. When the indoor _CO2 concentration is lower than 1000PPM, the fresh air fan 103 and negative ion generator 104 can be controlled to shut down; when the indoor _CO2 concentration is higher than 1000PPM, the fresh air fan 103 and negative ion generator 104 can be controlled to open to introduce outdoor fresh air into the room environment, reduce indoor _CO2 concentration, freshen indoor air, and improve air quality in confined spaces.

For example, when the indoor _CO2 is between 1000-1100ppm, the fresh air fan 103 operates with a low windshield ( _900r /min); ) operation; when the indoor _CO2 concentration was between 1200-1300ppm, the fresh air blower 103 ran with a high windshield (2000r/min) _; At the same time, the negative ion generator 104 can be automatically turned on, and the generated negative oxygen ions are sent into the room to further improve the air quality. When the user manually sets a specific function, the fresh air blower 103 runs according to the speed set by the user. For example, if the user remotely sets the fresh air resistance, the fresh air blower 103 opens the low windshield (900r/min) to run. In this way, refined and intelligent high-standard adjustment of the indoor unit 100 is realized, providing users with a more comfortable and healthier living and working environment.

As shown in Figures 2 to 6, the fresh air duct 120 includes a fresh air box (not labeled) and a fresh air guide channel 121 that is connected with the fresh air box and is bent upward and backward from the upper part of the fresh air box. The fresh air guide channel 121 is away from The aforementioned fresh air outlet 121a is formed at the end of the fresh air box. The aforementioned fresh air blower 103 , air filter module and air freshening module 105 are all arranged in the fresh air box. The fresh air fan 103 may be a centrifugal fan, and the rotation axis of the fresh air fan 103 may be parallel to the lateral direction, and the lateral direction refers to the width direction of the indoor unit 100 .

The aforementioned air filter module and air freshening module 105 can be replaced regularly to ensure their air treatment capacity.

As shown in Figure 7, the fresh air device also includes a filter box 108 and a box cover 102 arranged in the fresh air duct 120, the fresh air filter element 106 is accommodated in the filter box 108, and the lateral side of the filter box 108 facing the outside has an opening, The box cover 102 detachably covers the opening. As shown in FIG. 1 , an opening 115 may be formed in the area of the casing 110 corresponding to the fresh air device, and the opening 115 is detachably covered with a cover (not shown). After the indoor unit 100 has been used for a period of time, the user can open the cover and box cover 102 to replace the air filter module and/or the air freshening module 105 .

1 to 3 again, in this embodiment, the air inlet 111 of the indoor unit 100 can be formed at the rear of the casing 110, the air inlet 111 is a grille-type air inlet, and the fresh air outlet 121a of the fresh air duct 120 is located at the inlet. The rear of the air outlet 111, and close to the lower end of the air inlet 111, to save the space occupied by the fresh air duct 120.

The indoor unit 100 of this embodiment also includes at least one air supply assembly (140, 150) arranged in the casing 110, the air supply assembly (140, 150) is located above the fresh air duct 120, configured to promote The incoming air passes through the heat exchanger 130, and then flows from at least one air outlet (112, 113) to the indoor environment where the indoor unit 100 is located.

As shown in FIGS. 1 and 3 , there are two air outlets ( 112 , 113 ), which are an upper air outlet 112 formed on the upper front side of the casing 110 and a lower air outlet 113 formed below the casing 110 . There are two air supply assemblies (140, 150), respectively a first air supply assembly 140 located above and a second air supply assembly 150 located below, and the first air supply assembly 140 is configured to promote heat exchange with the heat exchanger 130 The final part of the air flow flows into the indoor environment through the upper air outlet 112 , and the second air supply assembly 150 is configured to make the part of the air flow after exchanging heat with the heat exchanger 130 flow into the indoor environment through the lower air outlet 113 .

As shown in Fig. 1 and Fig. 3, a plurality of air guide swing vanes 160 may be provided at the upper air outlet 112, and the plurality of air guide swing vanes 160 are configured to guide the airflow flowing out of the upper air outlet 112 to adjust the air flow of the upper air outlet. 112 in the direction of the wind. As shown in FIG. 1 , the lower air outlet 113 has an air guide inclined surface 114 , and the air guide inclined surface 114 guides the outlet air flow forward and downward.

The first air supply assembly 140 and the second air supply assembly 150 both comprise a volute (142, 152) and a centrifugal fan (141, 151) arranged in the volute (142, 152), and the centrifugal fan (141, 151) is configured In order to promote the air flow after heat exchange with the heat exchanger 130 to flow into the indoor environment through the aforementioned at least one air outlet (112, 113). That is to say, the upper first air supply assembly 140 includes the upper upper volute 142 and the upper centrifugal fan 141 disposed in the upper volute 142, and the lower second air delivery assembly 150 includes the lower lower fan 141 located below. The volute 152 and the lower centrifugal fan 151 arranged in the lower volute 152 .

The volute (142, 152) has a fan air inlet and a fan air outlet, the upper air outlet 112 communicates with and corresponds to the fan outlet of the upper volute 142, and the lower air outlet 113 communicates with and corresponds to the fan outlet of the lower volute 152, The first air supply assembly 140 and the second air supply assembly 150 are configured to inhale air from the air inlet 111 , force it to pass through the heat exchanger 130 , and send it into the indoor environment from the upper air outlet 112 and the lower air outlet 113 respectively.

Among them, the first air supply assembly 140 and the second air supply assembly 150 can operate simultaneously or independently.

When the first air supply assembly 140 and the second air supply assembly 150 operate independently, the indoor air enters the indoor unit 100 through the air inlet 111, and the outdoor air is sucked into the fresh air duct 120 by the fresh air fan 103, and passes through the The fresh air outlet 121a of the fresh air duct 120 and the air inlet 111 of the casing 110 enter the indoor unit 100, and driven by the first air supply assembly 140 or the second air supply assembly 150, the indoor air entering the indoor unit 100 and the outdoor air After exchanging heat with the heat exchanger 130, the air is sent to the room from the upper air outlet 112 or the lower air outlet 113. While realizing cooling/heating, the indoor and outdoor air circulation is completed, and the outdoor fresh air is introduced into the indoor environment, improving Indoor air quality.

Moreover, the indoor unit 100 can selectively control the operation of the first air supply assembly 140 or the second air supply assembly 150 according to its operation mode, so as to improve air supply comfort.

For example, when the indoor unit 100 is in heating operation, the second air supply assembly 150 is controlled to open, and the first air supply assembly is controlled to be closed by 140. Air and outdoor air are sent to the room through the lower air outlet 113. Since the lower air outlet 113 is located below the casing 110, the hot air blowing into the room is first concentrated in the lower area of the room, so that the user's feet and legs can feel the heat first. Warmth improves the user's heating experience and enhances the user's physical comfort. In addition, since the density of the hot air is low and tends to increase, the hot air blown from the lower air outlet 113 flows from bottom to top to the entire indoor space, making the temperature of the entire indoor space more uniform and further improving user comfort.

When the indoor unit 100 is in cooling operation, the first air supply assembly 140 is controlled to open, and the second air supply assembly 150 is controlled to close. Driven by the first air supply assembly 140, the indoor air after heat exchange with the heat exchanger 130 and The outdoor air is sent to the room by the upper air outlet 112. Since the upper air outlet 112 is located above the casing 110, the cold wind blowing indoors is first concentrated in the upper area of the room, and will not directly blow on people, so as to prevent the cold wind from blowing directly on the human body. cause human discomfort. Moreover, due to the high density of the cold air, it has a downward trend, and the cold air blown from the upper air outlet 112 flows from top to bottom to the entire indoor space, making the indoor temperature more uniform.

When the first air supply assembly 140 and the second air supply assembly 150 operate at the same time, both the upper air outlet 112 and the lower air outlet 113 of the indoor unit 100 are blown into the room by the airflow, so as to realize simultaneous air supply from top to bottom, and the air supply volume is large, which can Quickly introduce fresh air into the indoor environment, and improve indoor air quality more timely and effectively.

So far, those skilled in the art should recognize that although a number of exemplary embodiments of the present invention have been shown and described in detail herein, they can still be used according to the present invention without departing from the spirit and scope of the present invention. Many other variations or modifications that conform to the principles of the utility model are directly determined or derived from the disclosed content of the new model. Therefore, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims (10)

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

A housing having an air inlet and at least one air outlet;

the heat exchanger is arranged in the shell, is positioned on the downstream of the air inlet on the air flow path, and is configured to exchange heat with the air flow entering from the air inlet;

The fresh air duct is arranged in the shell, and on a fresh air flow path, a fresh air outlet of the fresh air duct is positioned at the upstream of the air inlet and is communicated with the air inlet, so that airflow flowing out of the fresh air outlet enters the indoor unit from the air inlet;

the inlet end of the fresh air pipe is communicated with the outdoor environment, and the outlet end of the fresh air pipe is communicated with the fresh air inlet of the fresh air duct;

and the fresh air fan is arranged in the fresh air duct and is configured to promote outdoor environment air to enter the fresh air duct through the fresh air pipe, flow out from the fresh air outlet and enter the indoor unit through the air inlet.

2. The indoor unit according to claim 1, further comprising:

and the negative ion generator is arranged in the fresh air duct to generate negative oxygen ions.

3. The indoor unit according to claim 1, further comprising:

the air filtering module is arranged in the fresh air duct, is close to the fresh air inlet and is used for purifying outdoor environment air entering the fresh air duct;

and the air refreshing module is arranged in the fresh air duct, is positioned at the downstream of the air filtering module on the air flow path and is used for refreshing air.

4. the indoor unit according to claim 1, further comprising:

An air quality sensor configured to detect air quality of an indoor environment in which the indoor unit is located;

The fresh air fan is configured to be started when the air quality detected by the air quality sensor is lower than the preset air quality, so that outdoor environment air enters indoors, and the indoor air quality is improved.

5. The indoor unit according to claim 1, wherein the indoor unit further comprises a cover for covering the indoor unit

The indoor unit of the air conditioner is an indoor unit of a cabinet air conditioner;

The fresh air duct is arranged at the bottom of the shell;

the fresh air pipe is positioned at the rear part of the shell.

6. The indoor unit according to claim 5, wherein the indoor unit further comprises a guide member for guiding the air flow in the air flow direction

The air inlet is formed at the rear part of the shell;

And a fresh air outlet of the fresh air duct is positioned behind the air inlet and close to the lower end of the air inlet.

7. The indoor unit according to claim 5, further comprising:

and the air supply assembly is arranged in the shell, is positioned above the fresh air duct and is configured to promote air entering from the air inlet to pass through the heat exchanger and then flow to the indoor environment where the indoor unit is positioned from the at least one air outlet.

8. The indoor unit according to claim 7, wherein the indoor unit further comprises a cover for covering the indoor unit

the two air outlets are respectively an upper air outlet formed on the front side of the upper end of the machine shell and a lower air outlet formed below the machine shell;

The two air supply assemblies are respectively a first air supply assembly positioned above and a second air supply assembly positioned below, the first air supply assembly is configured to enable partial air flow after heat exchange with the heat exchanger to flow into the indoor environment from the upper air outlet, and the second air supply assembly is configured to enable partial air flow after heat exchange with the heat exchanger to flow into the indoor environment from the lower air outlet.

9. The indoor unit according to claim 7, wherein the indoor unit further comprises a cover for covering the indoor unit

the air supply assembly comprises a volute and a centrifugal fan arranged in the volute, and the centrifugal fan is configured to enable airflow subjected to heat exchange with the heat exchanger to flow into the indoor environment from the at least one air outlet.

10. the indoor unit according to claim 8, further comprising:

And the plurality of air guide swing blades are arranged at the upper air outlet and are configured to guide the air flow flowing out of the upper air outlet so as to adjust the air outlet direction of the upper air outlet.