CN111720896A

CN111720896A - Air conditioner indoor unit and air conditioner

Info

Publication number: CN111720896A
Application number: CN202010486658.3A
Authority: CN
Inventors: 李腾飞; 谷勇; 蔡后勇; 张文武; 任常宝; 张兴亮
Original assignee: Midea Group Co Ltd; GD Midea Heating and Ventilating Equipment Co Ltd
Current assignee: Midea Group Co Ltd; GD Midea Heating and Ventilating Equipment Co Ltd; Guangdong Midea HVAC Equipment Co Ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2020-09-29

Abstract

The invention discloses an air-conditioning indoor unit and an air conditioner, wherein the air-conditioning indoor unit comprises a shell, a fan assembly, an indoor heat exchanger and a humidifying assembly, the shell is provided with an air return opening and an air outlet, the fan assembly is arranged in the shell, the indoor heat exchanger is arranged in the shell and positioned between the air outlet and the fan assembly, the indoor heat exchanger comprises a first heat exchanging part and a second heat exchanging part, the first heat exchanging part extends upwards from the joint of the first heat exchanging part and the second heat exchanging part towards the fan assembly, the second heat exchanging part extends downwards from the joint of the second heat exchanging part and the first heat exchanging part towards the fan assembly, the humidifying assembly is arranged between the fan assembly and the indoor heat exchanger and comprises a spray pipe, a steam spray port is formed in the peripheral wall of the spray pipe, and the minimum distance between the spray pipe and the indoor heat exchanger is more than or equal to 20 mm in the. The air-conditioning indoor unit provided by the embodiment of the invention can optimize the layout of the air-conditioning indoor unit, avoid high-temperature steam from condensing on the surface of the indoor heat exchanger, and has low potential safety hazard and long service life.

Description

Air conditioner indoor unit and air conditioner

Technical Field

The invention relates to the technical field of air conditioners, in particular to an air conditioner indoor unit and an air conditioner with the same.

Background

In the related art, an indoor unit of an air conditioner performs heat cycle exchange on air in a room to realize cooling or heating, so as to adjust the temperature in the room. However, after long-term operation, the air in the room is easily dried, and the comfort level is reduced. In order to improve the comfort of the indoor unit of the air conditioner, a humidification assembly is arranged on the indoor unit of the air conditioner to increase the indoor humidity in the related art, but the related art has the problems that fins of an indoor heat exchanger are easy to corrode, safety risks exist and the like.

Disclosure of Invention

The present application is based on the recognition and discovery by the inventors of the following facts and problems:

in the related art, the air conditioner indoor unit is provided with a humidifying assembly for spraying steam to the indoor space to increase the indoor humidity and improve the comfort. The inventor discovers through research that the humidifying assembly is installed in a shell of an indoor unit of an air conditioner and comprises a plurality of parts, the humidifying assembly adopts a high-temperature steam humidifying method, fins of an indoor heat exchanger are easily corroded due to the fact that a jet pipe in the humidifying assembly is unreasonable in arrangement position, and potential safety hazards exist due to the risk that a steam pipe collides with an evaporator when the humidifying assembly falls off. Moreover, condensation is easy to appear on the air outlet panel of the indoor unit of the air conditioner, and the working efficiency of the indoor unit of the air conditioner is affected. In addition, the phenomenon of whistling appears easily in the spray tube, influences user experience.

The present application is directed to solving, at least to some extent, one of the technical problems in the related art.

Therefore, the embodiment of one aspect of the application provides an air conditioner indoor unit, which can reduce the corrosion of an indoor heat exchanger and reduce the safety risk.

An embodiment of another aspect of the present application provides an air conditioner, which has the above air conditioner indoor unit.

An air conditioner indoor unit according to an embodiment of a first aspect of the present invention includes a casing, a fan assembly, an indoor heat exchanger, and a humidification assembly. Wherein the casing is provided with an air return inlet and an air outlet; the fan assembly is arranged in the shell;

the indoor heat exchanger is arranged in the shell and positioned between the air outlet and the fan assembly, the indoor heat exchanger comprises a first heat exchanging part and a second heat exchanging part, the first heat exchanging part extends upwards in an inclined mode from the joint of the first heat exchanging part and the second heat exchanging part towards the fan assembly, and the second heat exchanging part extends downwards in an inclined mode from the joint of the second heat exchanging part and the first heat exchanging part towards the fan assembly; the humidifying assembly is arranged between the fan assembly and the indoor heat exchanger and comprises a spray pipe, a steam spray port is arranged on the peripheral wall of the spray pipe, and the minimum distance between the spray pipe and the indoor heat exchanger is more than or equal to 20 millimeters in a cross section parallel to the height direction and the width direction of the shell.

According to the air conditioner indoor unit provided by the embodiment of the invention, the humidifying component is arranged between the fan component and the indoor heat exchanger, the minimum distance L between the spray pipe and the indoor heat exchanger is more than or equal to 20 mm, the humidifying component can be accommodated by utilizing the space between the fan component and the indoor heat exchanger, so that no installation space needs to be added for the humidifying component, the layout of the air conditioner indoor unit is optimized, and the L is more than or equal to 20 mm, the airflow carrying high-temperature steam sprayed by the spray pipe has enough blending distance in the process of flowing towards the indoor heat exchanger to avoid the problem that the high-temperature steam which is insufficiently blended condenses on the surface of the indoor heat exchanger to cause corrosion of the indoor heat exchanger.

In some embodiments, in a cross section parallel to a height direction and a width direction of the casing, a minimum distance between the spray pipe and the first heat exchanger portion is greater than a minimum distance between the spray pipe and the second heat exchanger portion.

In some embodiments, the opening direction of the steam ejection port faces the indoor heat exchanger side.

In some embodiments, the opening direction of the steam ejection port is at an angle of 30 ° to 75 ° from the horizontal.

In some embodiments, the indoor unit of the air conditioner further includes an air outlet panel, an air outlet flange is disposed at the air outlet opening of the casing, and the air outlet panel is mounted on the air outlet flange.

In some embodiments, the humidifying assembly further comprises a steam inlet pipe and a silencer, the silencer is connected between the steam inlet pipe and the nozzle, and the minimum distance between a steam outlet closest to the silencer and the silencer is greater than 100 mm.

In some embodiments, the air indoor unit further comprises a water pan disposed below the humidification assembly and the indoor heat exchanger.

In some embodiments, the air conditioning indoor unit further includes a water guide disposed below the spray pipe, and configured to guide the condensed water generated by the spray pipe directly into the water receiving tray, or to guide the condensed water onto the second heat exchanging portion and flow into the water receiving tray through the second heat exchanging portion.

In some embodiments, the steam vents are a plurality of elongated or kidney-shaped openings.

According to the air conditioner of the embodiment of the second aspect of the invention, the air conditioner indoor unit comprises the air conditioner indoor unit, so that the air conditioner is high in safety performance and long in service life.

Drawings

Fig. 1 illustrates a perspective view of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 3 shows a cross-sectional view along the direction a-a in fig. 2.

Fig. 4 shows a cross-sectional view along the direction B-B in fig. 2.

Fig. 5 shows a partial enlarged view of fig. 4.

Fig. 6 illustrates a perspective view of a humidifying assembly of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 7 is a schematic structural view illustrating a humidifying assembly of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 8 shows a cross-sectional view along the direction C-C in fig. 7.

Fig. 9 shows a sectional view in the direction B-B in fig. 2, wherein the direct drainage of the water guide is shown.

Reference numerals:

an air-conditioning indoor unit 1;

a housing 10; an air return opening 101; an air outlet 102; an air outlet panel (front panel) 103; a rear panel 105;

a fan assembly 20;

an indoor heat exchanger 30; a first heat exchanging portion 301; a second heat exchanging portion 302;

a vent chamber 4014;

a humidifying assembly 402; a steam inlet 4021; a steam blowout port 4022; a spray tube 4023; a muffler 4024; a steam inlet 4025; a water guide 4026;

a drip tray 60.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the 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 thus, should not be construed as limiting the present application.

An air conditioning indoor unit 1 and an air conditioner according to an embodiment of the present invention will be described below with reference to fig. 1 to 8.

As shown in fig. 1 and 3, an air conditioning indoor unit 1 according to an embodiment of the present invention includes a casing 10, a fan assembly 20, an indoor heat exchanger 30, and a humidifying assembly 402.

As shown in fig. 1, 3 and 4, the casing 10 has a return air opening 101 and an air outlet opening 102. Specifically, the casing 10 includes a front panel (air outlet panel) 103 and a rear panel 105, the front panel 103 is provided with an air outlet 102 for blowing out an air flow, and the rear panel 105 is provided with an air return opening 101 for sucking in the air flow. The wind enters the casing 10 from the air return opening 101 on the rear panel 105, flows in the air duct in the casing 10, and flows out from the air outlet 102 on the front panel, i.e. the wind direction is from the rear to the front.

As shown in fig. 3, the fan assembly 20 is disposed in the casing 10, the indoor heat exchanger 30 is disposed in the casing 10 and between the air outlet 102 and the fan assembly 20, the indoor heat exchanger 30 includes a first heat exchanging portion 301 and a second heat exchanging portion 302, the first heat exchanging portion 301 extends obliquely upward toward the fan assembly 20 from a connection point with the second heat exchanging portion 302, and the second heat exchanging portion 302 extends obliquely downward toward the fan assembly 20 from a connection point with the first heat exchanger portion.

Specifically, as shown in fig. 3, the indoor heat exchanger 30 is located downstream of the fan assembly 20 in the wind direction, the air outlet 102 is located downstream of the indoor heat exchanger 30 in the wind direction, the fan assembly 20 is adapted to drive an external air flow to flow into the casing 10 through the air return opening 101, and the air flow flows through the fan assembly 20, the indoor heat exchanger 30, and the air outlet 102 in sequence along the air path in the casing 10.

As shown in fig. 4 and 5, the first heat exchanging portion 301 is located above the second heat exchanging portion 302, the first heat exchanging portion 301 extends downward from the rear end to the front end in the front-rear direction, the second heat exchanging portion 302 extends upward from the rear end to the front end in an inclined manner, the front end of the first heat exchanging portion 301 is connected to the front end of the second heat exchanging portion 302, and the heat exchanging area of the indoor heat exchanger 30 can be increased and the heat exchanging efficiency can be improved by the first heat exchanging portion 301 and the second heat exchanging portion 302 which are arranged in an inclined manner.

As shown in fig. 1, 3, 5 and 6, the humidification module 402 is disposed between the fan module 20 and the indoor heat exchanger 30 and includes a spray pipe 4023, a steam outlet 4022 is provided on a peripheral wall of the spray pipe 4023, and a minimum distance L between the spray pipe 4023 and the indoor heat exchanger 30 (the "minimum distance L" may be understood as a shortest distance between an outer wall surface of the spray pipe 4023 and an outer wall surface of the indoor heat exchanger 30 facing the spray pipe 4023) is equal to or greater than 20 mm in a cross section parallel to a height direction (an up-down direction in fig. 1) and a width direction (a front-rear direction in fig. 1) of the housing 10.

Specifically, as shown in fig. 3 and 6, a ventilation chamber 4014 extending in the left-right direction is provided between the fan assembly 20 and the indoor heat exchanger 30, the humidification assembly 402 is located in the ventilation chamber 4014, the spray pipe 4023 extends in the left-right direction in the spaced space, the plurality of steam outlets 4022 are arranged on the peripheral wall of the spray pipe 4023 at intervals, the plurality of steam outlets 4022 can spray high-temperature steam to form a humidified space in the ventilation chamber 4014, and the humidified air flow can flow through the indoor heat exchanger 30 and exchange heat with the indoor heat exchanger 30.

Therefore, according to the air-conditioning indoor unit provided by the embodiment of the invention, the humidifying component is arranged between the fan component and the indoor heat exchanger, and the minimum distance L between the spray pipe and the indoor heat exchanger is more than or equal to 20 mm, the space between the fan component and the indoor heat exchanger can be used for accommodating the humidifying component, so that the arrangement of the indoor unit of the air conditioner is optimized without adding an installation space for the humidifying component, and L is more than or equal to 20 mm, the high-temperature steam sprayed by the airflow carrying spray pipe has enough mixing distance in the process of flowing towards indoor heat exchange, so as to avoid the problem that the high-temperature steam which is insufficiently melted condenses on the surface of the indoor heat exchanger to cause corrosion of the indoor heat exchanger, in addition, the spray pipe and the indoor heat exchanger are not prone to interference, for example, when the spray pipe falls, the spray pipe is not prone to collision with the indoor heat exchanger, and potential safety hazards are reduced.

In some embodiments, as shown in fig. 4 and 5, in a cross section parallel to the height direction (up-down direction in fig. 4) and the width direction (front-back direction in fig. 4) of the casing 10, a minimum distance L1 between the lance 4023 and the first heat exchanger portion 301 ("minimum distance L1" may be understood as the shortest distance between the outer wall of the lance 4023 and the outer wall of the first heat exchanger portion 301 toward the lance 4023) is greater than a minimum distance L between the lance 4023 and the second heat exchanger portion 302 ("minimum distance L" may be understood as the shortest distance between the outer wall of the lance 4023 and the outer wall of the second heat exchanger portion 302 toward the lance 4023).

As shown in fig. 4 and 5, the first heat exchanging portion 301 is located obliquely above the spray pipe 4023, and the steam outlet 4022 sprays high-temperature steam obliquely upward, so that the high-temperature steam can be rapidly diffused in the ventilation cavity, and by setting the distance between the spray pipe and the first heat exchanging portion to be large, the probability of large-amount condensation of the high-temperature steam on the surface of the first heat exchanging portion can be reduced, so that the first heat exchanging portion is prevented from being corroded by high-temperature condensate water, and the service life of the indoor unit of the air conditioner is prolonged.

In some embodiments, as shown in fig. 4 and 5, the opening direction of the steam blowout port 4022 faces one side of the indoor heat exchanger 30. Specifically, the first heat exchanging portion 301 is located above the front side of the nozzle 4023, and the opening direction of the steam outlet 4022 is directed obliquely upward, so that the collision between the high-temperature steam ejected from the steam outlet and the air flow can be reduced, and the collision noise can be reduced.

Preferably, the opening direction of the steam vents 4022 is at an angle θ of 30 ° to 75 ° from horizontal. For example, θ is 35 °, 45 °, or 60 °, and the steam vents 4022 may be opened obliquely upward or obliquely downward. Therefore, the air flow hedging can be reduced, the hedging noise is reduced, high-temperature steam sprayed from the steam spraying port can be fully blended with the air flow, and the humidifying efficiency and uniformity are improved.

In the embodiment shown in fig. 6, in the extending direction of the nozzle 4023, a plurality of steam vents 4022 are arranged in a row and at intervals on the peripheral wall of the nozzle 4023, it is to be understood that the arrangement of the steam vents 4022 is not limited thereto, for example, the steam vents 4022 may be arranged at any position on the peripheral wall of the nozzle 4023, and any one of the steam vents 4022 may be opened obliquely upward or obliquely downward.

In some embodiments, as shown in fig. 1, an outlet flange (not shown) is disposed at the outlet 102 of the casing 10, and the outlet panel 103 is mounted on the outlet flange.

In some embodiments, as shown in fig. 6 and 8, the humidifying assembly 40 further includes a steam inlet pipe 4025 and a silencer 4024, the silencer 4024 is connected between the steam inlet pipe 4025 and the nozzle 4023, so that the operating noise of the humidifying assembly can be eliminated by the silencer, and the minimum distance H between the steam outlet 4022 closest to the silencer 4024 and the silencer 4024 (the distance between the right end of the rightmost steam outlet 4022 in fig. 8 and the left end of the silencer 4024) is greater than 100 mm to prevent a large amount of high-temperature steam ejected from the steam outlet from condensing on the surface of the silencer, thereby improving the service life of the silencer.

Specifically, as shown in fig. 3, 6 and 8, a nozzle 4023 and a silencer 4024 are located in a ventilation chamber 4014, the nozzle 4023 extends in the left-right direction, the right end of the nozzle 4023 is connected to the left end of the silencer 4024, the right end of the silencer 4024 is connected to the left end of a steam inlet pipe 4025, the right end of the steam inlet pipe 4025 protrudes from the inside of the cabinet 10, and a steam inlet 4021 is provided at the end of the right end of the steam inlet pipe 4025, that is, the steam inlet 4021 is located outside the cabinet 10.

In some embodiments, as shown in fig. 4, the indoor unit 1 further includes a water pan 60, and the water pan 60 is disposed below the humidification module 402 and the indoor heat exchanger 30. It can be understood that, in a cooling state, condensed water is generated on the surface of the indoor heat exchanger 30, high-temperature steam sprayed by the spray pipes 4023 is also prone to generate high-temperature condensed water on the surface of the humidifying assembly 402, and the water pan 60 disposed below the humidifying assembly 402 and the indoor heat exchanger 30 is suitable for receiving the condensed water on the surfaces of the humidifying assembly 402 and the indoor heat exchanger 30, so as to prevent the indoor unit of the air conditioner from dripping water.

In some embodiments, as shown in fig. 9, the air conditioning indoor unit 1 further includes a water guide 4026, and the water guide 4026 is disposed below the spray pipe 4023 and is used for guiding the condensed water generated by the spray pipe 4023 directly into the water pan 60. As shown in fig. 9, the water guide 4025 is a flexible pipe, the upper end of the water guide 4025 is connected to the lower surface of the peripheral wall of the spout 4023, and the lower end of the water guide 4025 directly extends into the water receiving tray 60, so as to guide the condensed water generated by the spout 4023 directly into the water receiving tray 60.

Or, the water is guided to the second heat exchanging portion 302 and flows into the water receiving tray 60 through the second heat exchanging portion 302. Specifically, as shown in fig. 6, a plurality of water guides 4026 are disposed on a lower surface of a circumferential wall of the spout 4023 at intervals in the left-right direction, an upper end of the water guides 4026 is connected to the circumferential wall of the spout 4023, a lower end of the water guides 4026 extends and opens toward the second heat exchanging portion 302, the drain pan 60 is located below the second heat exchanging portion 302, and a lower end of the second heat exchanging portion 302 extends into the drain pan 60 to introduce condensed water into the drain pan 60.

In some embodiments, as shown in fig. 6, the vapor vents 4022 are a plurality of elongated ports. This makes it possible to increase the ejection rate of the steam outlet 4022 and increase the amount of moisture ejected by reducing the relative area of the steam outlet 4022 and increasing the relative pressure. Preferably, the steam vent is a kidney-shaped opening, which is beneficial to reducing the blowing noise of the steam vent. .

An air conditioning indoor unit 11 according to one specific example of the present invention will be described below with reference to fig. 1 to 8.

As shown in fig. 1 and 3, the indoor unit 1 of the air conditioner includes a casing 10, a fan assembly 20, an indoor heat exchanger 30, and a humidifying assembly 402. The rear panel 105 of the casing 10 is provided with an air return opening 101, and the front panel (air outlet panel) 103 of the casing 10 is provided with an air outlet 102. The air outlet panel 103 has an air guiding grille adapted to change the direction of the air flow blown out from the air outlet 102.

The fan assembly 20 and the indoor heat exchanger 30 are disposed in the casing 10, and the indoor heat exchanger 30 is located between the fan assembly 20 and the air outlet 102.

As shown in fig. 3, in the front-rear direction, a ventilation chamber 4014 is provided between the fan assembly 20 and the indoor heat exchanger 30, the ventilation chamber 4014 extends in the left-right direction, and the humidification assembly 402 is provided between the fan assembly 20 and the indoor heat exchanger 30. As shown in fig. 6, the humidifying assembly 402 includes a nozzle 4023, a silencer 4024 and a steam inlet 4025, the nozzle 4023 and the silencer 4024 are located in the ventilation chamber 4014, the nozzle 4023 extends in the left-right direction, the right end of the nozzle 4023 is connected to the left end of the silencer 4024, the right end of the silencer 4024 is connected to the left end of the steam inlet 4025, the right end of the steam inlet 4025 extends out of the housing 10, and a steam inlet 4021 is provided at the end of the right end of the steam inlet 4025, that is, the steam inlet 4021 is located outside the housing 10.

As shown in fig. 4 and 5, the indoor heat exchanger 30 includes a first heat exchanging portion 301 and a second heat exchanging portion 302, the first heat exchanging portion 301 is located above the second heat exchanging portion 302, the first heat exchanging portion 301 extends downward from the rear end to the front end in the front-rear direction, the second heat exchanging portion 302 extends upward from the rear end to the front end in an inclined manner, and the front end of the first heat exchanging portion 301 is connected to the front end of the second heat exchanging portion 302.

As shown in fig. 5 and 6, a distance between the nozzle 4023 and the first heat exchanging portion 301 is L1, a distance between the nozzle 4023 and the second heat exchanging portion 302 is L, and L1 is greater than L. A plurality of steam vents 4022 are distributed on the spray pipe 4023 at intervals, the steam vents 4022 are U-shaped, the openings of the steam vents 4022 face the first heat exchanging part 301, and an included angle theta between the opening direction of the steam vents 4022 and the horizontal direction is 30-75 degrees.

As shown in fig. 4, the air conditioning indoor unit 1 includes a water receiving tray 60, the water receiving tray 60 is located below the indoor heat exchanger 30 and the humidification module 402, a plurality of water guides 4026 are provided at intervals on the nozzle 4023, an upper end of the water guide 4026 is connected to an outer wall of the nozzle 4023, and a lower end of the water guide 4026 extends toward the water receiving tray 60 and is open.

According to the air conditioner disclosed by the embodiment of the invention, by adopting the air conditioner indoor unit 1, the internal elements of the air conditioner are not easy to corrode, the service life of the air conditioner is long, and the safety is high.

In this application, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and 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 application. 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Furthermore, 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. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; 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 application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. 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.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

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

a housing having an air return opening and an air outlet opening;

the fan assembly is arranged in the shell;

the indoor heat exchanger is arranged in the shell and positioned between the air outlet and the fan assembly, and comprises a first heat exchanging part and a second heat exchanging part, the first heat exchanging part extends upwards in an inclined mode from the joint of the first heat exchanging part and the second heat exchanging part to the fan assembly, and the second heat exchanging part extends downwards in an inclined mode from the joint of the second heat exchanging part and the first heat exchanging part to the fan assembly;

the humidifying component is arranged between the fan component and the indoor heat exchanger and comprises a spray pipe, a steam spray port is arranged on the peripheral wall of the spray pipe, and the minimum distance between the spray pipe and the indoor heat exchanger is more than or equal to 20 millimeters in a cross section parallel to the height direction and the width direction of the shell.

2. An indoor unit of an air conditioner according to claim 1, wherein a minimum distance between the nozzle pipe and the first heat exchanger portion is larger than a minimum distance between the nozzle pipe and the second heat exchanger portion in a cross section parallel to a height direction and a width direction of the cabinet.

3. An indoor unit of an air conditioner according to claim 1, wherein an opening direction of the steam discharge port is directed to the indoor heat exchanger side.

4. An indoor unit of an air conditioner according to claim 3, wherein an angle between an opening direction of the steam ejection port and a horizontal direction is 30 ° to 75 °.

5. The indoor unit of claim 1, further comprising an outlet panel, wherein an outlet flange is disposed at the outlet opening of the casing, and the outlet panel is mounted on the outlet flange.

6. An indoor unit of an air conditioner according to any one of claims 1 to 5, wherein the humidifying assembly further comprises a steam inlet pipe and a silencer, the silencer is connected between the steam inlet pipe and the nozzle, and a minimum distance between a steam ejection port nearest to the silencer and the silencer is greater than 100 mm.

7. An indoor unit of an air conditioner according to any one of claims 1 to 5, further comprising a water pan provided below the humidification module and the indoor heat exchanger.

8. An indoor unit of an air conditioner according to claim 7, further comprising a water guide provided under the nozzle for guiding the condensed water generated from the nozzle directly into the water receiving tray or onto the second heat exchanging portion and flowing into the water receiving tray through the second heat exchanging portion.

9. An indoor unit of an air conditioner according to claim 1, wherein the steam ejection port is a plurality of elongated ports or a kidney port.

10. An air conditioner, comprising: the indoor unit of an air conditioner according to any one of claims 1 to 9.