CN117190321A - Indoor unit of air conditioner and air conditioner - Google Patents

Abstract

The invention discloses an air conditioner indoor unit and an air conditioner, wherein the air conditioner indoor unit comprises: a housing, in which an installation space is formed, and a water injection port communicating with the installation space and a movable cover for opening or closing the water injection port are provided; the water tank is arranged in the installation space and is provided with an opening communicated with the water injection port; the heat exchanger is arranged in the installation space; and the spraying device is connected with the water tank and used for spraying water to the heat exchanger. According to the indoor unit of the air conditioner, the water filling port communicated with the opening of the water tank and the movable cover for opening or closing the water filling port are arranged on the casing, water can be added into the water tank through the water filling port only by opening the movable cover, the water tank is not required to be disassembled in the whole water adding process, the water adding operation is simple, and the cost is low.

Description

Indoor unit of air conditioner 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.

Background

In the related art, in an indoor unit of an air conditioner having a humidifying function, when water needs to be added, a user first removes a water tank from the indoor unit, adds water into the water tank, and then reinstalls the water tank, thereby achieving the water adding purpose. However, the water tank needs to be disassembled when water is added, so that the operation is complicated, and the use is inconvenient.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide an air conditioner indoor unit, which does not need to detach a water tank when water is added, and is convenient to add water.

The invention also aims to provide an air conditioner so as to apply the air conditioner indoor unit.

According to an embodiment of the invention, an indoor unit of an air conditioner comprises: the device comprises a shell, wherein an installation space is formed in the shell, and a water filling port communicated with the installation space and a movable cover for opening or closing the water filling port are arranged on the shell; the water tank is arranged in the installation space, and an opening communicated with the water injection port is formed in the water tank; the heat exchanger is arranged in the installation space; and the spraying device is connected with the water tank and used for spraying water to the heat exchanger.

According to the indoor unit of the air conditioner, the water filling port communicated with the opening of the water tank and the movable cover for opening or closing the water filling port are arranged on the casing, water can be filled into the water tank through the water filling port only by opening the movable cover, the water tank is not required to be disassembled in the whole water filling process, the water filling operation is simple, and the cost is low.

In some embodiments of the present invention, the housing includes a chassis and a face frame provided on the chassis, the face frame and the chassis defining the installation space, and the water injection port is provided on a top surface or a side surface of the face frame.

In some embodiments of the invention, the casing further includes a front panel disposed on the face frame, and the water filling port is disposed on the front panel.

In some embodiments of the present invention, the movable cover is slidably disposed on the casing to open or close the water filling port in a sliding manner.

In some embodiments of the invention, a water diversion portion is provided in the installation space, the water diversion portion being provided between the water filling port and the opening for guiding the injected water into the opening.

In some embodiments of the present invention, a water diversion channel is formed inside the water diversion part, one end of the water diversion channel is communicated with the water filling port, and the other end of the water diversion channel is connected with or extends into the opening.

In some embodiments of the invention, the water diversion channel has a water inlet end communicated with the water filling port and a water outlet end communicated with the opening, and the width of the water inlet end is larger than that of the water outlet end.

In some embodiments of the invention, the water diversion portion and the housing are integrally formed.

In some embodiments of the invention, the spray device comprises: the water pump is connected with the water tank through a pipeline; the spray plate is connected with the water pump through a pipeline, is arranged on the heat exchanger and extends along the length direction of the heat exchanger.

In some embodiments of the invention, a spray cavity is arranged in the spray plate, the spray plate is provided with a plurality of spray holes, and the plurality of spray holes are arranged at intervals along the length direction of the spray plate.

In some embodiments of the present invention, an included angle is formed between a hole center connecting line of the plurality of spray holes and a lower surface of the spray cavity, and distances between the plurality of spray holes and the lower surface of the spray cavity gradually increase along a direction away from the water pump.

In some embodiments of the invention, the included angle is in the range of 0 to 5 degrees.

In some embodiments of the invention, fins are provided on the heat exchanger, and the shower plate is used for spraying water on the fins.

The air conditioner comprises the air conditioner indoor unit.

According to the air conditioner provided by the embodiment of the invention, the water tank is not required to be disassembled in the whole water adding process of the air conditioner indoor unit, the water adding operation is simple, and the cost is low.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic view of a partial structure of an indoor unit in an embodiment of the present invention;

fig. 2 is a schematic perspective view of an indoor unit in the air conditioner according to the embodiment of the present invention;

FIG. 3 is a schematic view taken along line A-A of FIG. 2;

FIG. 4 is a schematic view taken along line B-B in FIG. 2;

FIG. 5 is an enlarged schematic view of a portion at V of FIG. 4;

FIG. 6 is an enlarged schematic view of a portion of the VI of FIG. 4;

fig. 7 is an enlarged schematic view of a portion of VII of fig. 1.

Reference numerals:

100. an air conditioner indoor unit;

10. a housing;

10a, an installation space; 10b, a water injection port;

110. a chassis; 120. a face frame;

20. a water tank; 20a, open;

30. a heat exchanger;

40. a spraying device; 410. a water pump; 420. a spray plate; 4201. a shower plate body; 4202. a cover plate; 420a, spraying holes; 401. a pipe;

50. a movable cover; 50a, a projection;

60. a water diversion part;

60a, a water diversion channel; 60b, a chute;

601. a first sidewall; 6011. an arc-shaped portion; 6012. a first vertical portion;

602. a second sidewall; 6021. a second vertical portion; 6022. an inclined portion.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

An air conditioning indoor unit 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 7.

As shown in fig. 1 and 2, an air conditioning indoor unit 100 according to an embodiment of the present invention includes: the heat exchanger comprises a shell 10, a water tank 20, a heat exchanger 30 and a spraying device 40.

An installation space 10a is formed in the interior of the casing 10, and a water filling port 10b communicating with the installation space 10a and a movable cover 50 for opening or closing the water filling port 10b are provided on the casing 10; the water tank 20 is arranged in the installation space 10a, and an opening 20a communicated with the water filling port 10b is arranged on the water tank 20; the heat exchanger 30 is provided in the installation space 10 a; a spray device 40 is connected to the water tank 20 for spraying water to the heat exchanger 30.

The air conditioning indoor unit 100 can realize a humidifying function through the cooperation of the water tank 20, the spraying device 40 and the heat exchanger 30, wherein the heat exchanger 30 specifically can be an evaporator, when consumed water needs to be replenished, the movable cover 50 is only required to be opened, the water filling port 10b can be opened, water can be added into the opening 20a through the water filling port 10b, and the water is replenished into the water tank 20.

It should be noted that, the indoor unit 100 further includes a fan assembly and an electric control box component disposed in the installation space 10a, and an air deflector component, an air outlet frame component, a filter screen component, etc. disposed on the casing 10, and the structure and the installation position of the components may refer to the prior art, which is not repeated herein. Second, the indoor unit 100 of the air conditioner according to the embodiment of the present invention may be a hanging machine, a cabinet machine, a ceiling machine, an air duct machine, etc., without being limited thereto,

according to the indoor unit 100 of the air conditioner of the embodiment of the invention, the water filling port 10b communicated with the opening 20a of the water tank 20 and the movable cover 50 for opening or closing the water filling port 10b are arranged on the casing 10, water can be filled into the water tank 20 through the water filling port 10b only by opening the movable cover 50, the water tank 20 is not required to be disassembled in the whole water filling process, the water filling operation is simpler, and the cost is lower.

In some embodiments of the present invention, as shown in fig. 2, 4 and 5, the casing 10 includes a chassis 110 and a face frame 120 provided on the chassis 110, the face frame 120 and the chassis 110 defining a mounting space 10a, and a water filling port 10b provided on a top surface or a side surface of the face frame 120. Assuming that the side of the casing 10 facing the user is the front, the top surface of the face frame 120 may be referred to as the upper end surface, and the side surfaces may be referred to as the left and right end surfaces, at this time, the water filling port 10b may be provided on the top surface of the face frame 120, so that the user may fill water into the water tank 20 from above when filling water, or the water filling port 10b may be provided on the left or right side surface of the face frame 120, so that the user may fill water into the water tank 20 from left or right.

That is, by arranging the water filling port 10b on the top surface or the side surface of the face frame 120, the movable cover 50 for opening or closing the water filling port 10b can be well hidden, so that the movable cover 50 is not easily perceived by the user on the front surface, thereby being beneficial to ensuring the aesthetic property of the whole machine.

The chassis 110 is used as a base of the indoor unit 100 for supporting the indoor unit 100, specifically, when the indoor unit 100 is a hanging machine, the chassis 110 may be installed on a wall, and when the indoor unit 100 is a cabinet, the chassis 110 may be placed on the ground.

It should be noted that, in the description of the present invention, the first feature is "above," "over" and "upper" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

In some embodiments of the present invention, the casing 10 further includes a front panel provided on the face frame 120, and the water filling port 10b is provided on the front panel. The front panel is arranged facing the user, and the water filling port 10b can be arranged on the front panel, namely, the user can fill water into the water tank 20 from the front direction, and the water filling port 10b is arranged on the front panel, so that the water filling is more convenient.

In some embodiments of the present invention, as shown in fig. 2, a movable cover 50 is slidably provided on the casing 10 to open or close the water filling port 10b in a sliding manner. When water needs to be added, a user can push the movable cover 50 to slide on the machine shell 10, the water filling port 10b is opened, after water adding is finished, the movable cover 50 is pulled back, and the water filling port 10b can be closed, and the movable cover 50 is easy to open and convenient to use.

In some embodiments of the present invention, a sliding rail may be provided on the bezel 120 or the front panel, and the movable cover 50 is slidably fitted on the sliding rail. Specifically, the sliding rails may be disposed at two sides of the sliding direction of the movable cover 50, so as to limit two sides of the movable cover 50, thereby improving the sliding reliability of the movable cover 50.

In some embodiments of the present invention, as shown in fig. 4 and 5, a water diversion portion 60 is provided in the installation space 10a, and the water diversion portion 60 is provided between the water injection port 10b and the opening 20a for guiding the injected water into the opening 20a. The water diversion portion 60 plays a role in drainage, and can drain water added from the water filling port 10b into the opening 20a, so that the position requirements on the water filling port 10b and the opening 20a can be reduced, and the manufacturing difficulty of the whole machine is reduced.

In some embodiments of the present invention, as shown in fig. 5, a water diversion channel 60a is formed inside the water diversion portion 60, one end of the water diversion channel 60a communicates with the water filling port 10b, and the other end is connected to or extends into the opening 20a. That is, the water diversion portion 60 is constructed as a housing member, and water flows along the water diversion channel 60a inside, avoiding water from falling outside the water diversion portion 60 during drainage.

In some embodiments of the present invention, the water diversion channel 60a has a water inlet end (not shown) communicating with the water filling port 10b and a water outlet end (not shown) communicating with the opening 20a, the water inlet end having a width greater than the water outlet end. The water inlet end with a wider mode is convenient for water inlet, water addition becomes easier, and water addition efficiency can be improved.

In some embodiments of the present invention, as shown in fig. 5, the water diversion channel 60a has a first side wall 601 and a second side wall 602, the first side wall 601 includes an arc portion 6011 and a first vertical portion 6012, the arc portion 6011 is located at an upper side of the first vertical portion 6012, the second side wall 602 includes a second vertical portion 6021 and an inclined portion 6022, and the second vertical portion 6021 is located at an upper side of the inclined portion 6022. The arc portion 6011 and the second vertical portion 6021 together define a water inlet end, and the arc portion 6011 may function to guide a water flow. The first vertical portion 6012 and the inclined portion 6022 together define a water outlet end, and the inclined portion 6022 may function to guide a water flow.

In some embodiments of the present invention, the water diversion portion 60 and the casing 10 are integrally formed, in this way, mold opening can be reduced, and production efficiency can be improved. Wherein the water injection port 10b is formed on the water inlet end of the water diversion channel 60 a.

In the embodiment of the present invention, the water diversion portion 60 and the face frame 120 are integrally formed, specifically, it can be understood that the water diversion portion 60 and the face frame 120 may be integrally injection-molded, so that the installation steps can be reduced during the whole machine assembly, and the assembly efficiency can be improved.

In the embodiment of the present invention, as shown in fig. 5, a chute 60b is provided at the water inlet of the water diversion channel 60a, and the edge of the movable cover 50 is fitted in the chute 60b to realize the sliding of the movable cover 50. Specifically, the sliding grooves 60b may be disposed at left and right sides of the water inlet, and left and right ends of the movable cover 50 are inserted into the sliding grooves 60b at both sides, so that the movable cover 50 can slide back and forth to open or close the water filling port 10b.

In an embodiment of the present invention, as shown in fig. 5, a protrusion 50a is provided on the movable cover 50, and the user can push and pull the movable cover 50 by providing the protrusion 50 a. The protruding portion 50a may be configured as a protruding block with arc transition, and the user may push and pull the protruding block to drive the movable cover 50 to slide, or the protruding portion 50a may be a plurality of protruding strips, so that a rough surface is formed on the movable cover 50, and when the user contacts the upper surface of the movable cover 50, the user may drive the movable cover 50 to slide through friction force.

In some embodiments of the present invention, as shown in fig. 1, an opening 20a is provided at the top of the water tank 20, which ensures that the volume in the water tank 20 is relatively large and can hold relatively much water.

In some embodiments of the present invention, as shown in fig. 1, the opening 20a extends along the length direction of the water tank 20, so that the size of the opening 20a is relatively large, and water is relatively easy to be introduced. Specifically, the length direction of the water tank 20 is the same as the width direction of the cabinet 10. In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

In some embodiments of the present invention, as shown in fig. 1, the shower device 40 includes a water pump 410 and a shower plate 420, the water pump 410 being connected to the water tank 20 through a pipe 401; the shower plate 420 is connected to the water pump 410 through a pipe 401, and the shower plate 420 is provided on the heat exchanger 30 and extends in the length direction of the heat exchanger 30. When the water pump 410 works, water in the water tank 20 is pumped through the pipeline 401, then the water is conveyed into the spraying plate 420 through the pipeline 401 outside, the spraying plate 420 sprays the water on the heat exchanger 30, the water is evaporated through heat of the heat exchanger 30 to form water vapor, and then the vapor can be blown into a room through the fan assembly of the air conditioner indoor unit 100, so that a humidifying effect is achieved. The contact surface between the water and the heat exchanger 30 is larger by spraying, so that more steam can be generated by fully utilizing the heat exchanger 30.

In some embodiments of the present invention, as shown in fig. 1, a water pump 410 is provided on the water tank 20 adjacent to the water diversion portion 60, so that the internal structure is compact, and space can be saved.

In some embodiments of the present invention, the water pump 410 is fastened to the water tank 20 by fasteners, thereby forming a single piece, which is easy to install or remove. Specifically, the fastener may be a screw or a bolt, for example, a threaded hole is formed on the water tank 20, a threaded seat is formed on the water pump 410, and the screw or the bolt is matched in the threaded hole through the threaded seat, so that the connection is stable and reliable in a threaded connection manner. The fastener can also be a fastener, for example, a clamping groove is formed on the water tank 20, a fastener is formed on the water pump 410, and the fastener is matched with the clamping groove to realize the connection between the water tank 20 and the water pump 410, and the fastener is convenient to detach or install and has high efficiency.

In some embodiments of the present invention, as shown in fig. 6 and 7, a spray chamber (not shown) is provided inside the spray plate 420, and the spray plate 420 has a plurality of spray holes 420a, the plurality of spray holes 420a being spaced apart along the length direction of the spray plate 420. The spray cavity can be filled with water, so that the water is distributed along the length direction of the heat exchanger 30, the water can be uniformly sprayed on the heat exchanger 30 through the plurality of spray holes 420, and the contact surface between the water and the heat exchanger 30 is increased. In the description of the present invention, "plurality" means two or more.

In some embodiments of the present invention, as shown in fig. 6, an included angle is formed between a line connecting the centers of the plurality of spray holes 420a and the lower surface of the spray chamber, and a distance between the plurality of spray holes 420a and the lower surface of the spray chamber increases gradually in a direction away from the water pump 410. In this way, water is guaranteed to flow from the water inlet end of the shower plate 420 to the end, so that water is sprayed out from the end of the shower plate 420.

In some embodiments of the invention, the included angle is in the range of 0 to 5 degrees. For example, as shown in fig. 6, the set angle α may be any one of 1 degree, 2 degrees, 3 degrees, and 4 degrees, and may be specifically set according to circumstances. Of course, the foregoing is merely illustrative, and the value of α may be within the range of 0 to 5 degrees, and will not be described herein.

In some embodiments of the present invention, as shown in fig. 7, the shower plate 420 includes a shower plate body 4201 and a cover plate 4202, the cover plate 4202 being detachably provided on the shower plate body 4201 to define a shower cavity, a plurality of shower holes 420a being provided on the shower plate body 4201. By disposing the shower plate 420 as a separate detachable shower plate body 4201 and a cover plate 4202, the cover plate 4202 can be opened to clean or remove impurities from the shower plate 420.

In some embodiments of the present invention, fins are provided on the heat exchanger 30 and a shower plate 420 is used to shower water onto the fins. In the fin-type heat exchanger 30, the fins have a large surface area, so that water can be evaporated in a large-area mode, humidification is realized by the fins, and the cost is relatively low.

In some embodiments of the present invention, the shower plate 420 is disposed above the topmost fins, and when the shower plate 420 sprays water, water can flow down from the topmost fins and then pass through the underlying fins, ensuring that all the fins can be fully utilized.

In some embodiments of the invention, the length of the shower plate 420 and the length of the fins are equal.

In some embodiments of the present invention, the water tank 20 and the heat exchanger 30 are disposed along the length direction of the cabinet 10, and the water tank 20 is disposed adjacent to the heat exchanger 30. That is, the arrangement between the water tank 20 and the heat exchanger 30 is compact, and the internal space of the air conditioner indoor unit 100 can be saved.

In some embodiments of the present invention, the water tank 20 may be provided at the left side of the cabinet 10 and adjacent to the heat exchanger 30, and correspondingly, the water injection port 10b and the movable cover 50 may be provided at the top end surface of the cabinet 10, or the water injection port 10b and the movable cover 50 may be provided at the left side surface of the cabinet 10.

In some embodiments of the present invention, the water tank 20 may be provided at the right side of the cabinet 10 and adjacent to the heat exchanger 30, and correspondingly, the water injection port 10b and the movable cover 50 may be provided at the top end surface of the cabinet 10, or the water injection port 10b and the movable cover 50 may be provided at the right side surface of the cabinet 10.

An embodiment of the air conditioning indoor unit 100 according to the present invention is described below with reference to the accompanying drawings.

As shown in fig. 1 to 7, the air conditioning indoor unit 100 includes a casing 10, a water tank 20, a heat exchanger 30, a shower device 40, and a water diversion portion 60.

An installation space 10a is formed in the interior of the cabinet 10, and a water filling port 10b communicating with the installation space 10a and a movable cover 50 for opening or closing the water filling port 10b are provided on the cabinet 10.

The casing 10 includes a chassis 110, a face frame 120, and a front panel, the face frame 120 is disposed on the chassis 110, the face frame 120 and the chassis 110 define an installation space 10a, and a water filling port 10b is disposed on a top surface of the face frame 120.

The movable cover 50 is slidably disposed on the face frame 120 to slidably open or close the water filling port 10b

The water tank 20 is provided in the installation space 10a, and the water tank 20 is provided with an opening 20a communicating with the water filling port 10b.

The water diversion portion 60 is provided in the installation space 10a, and the water diversion portion 60 is provided between the water injection port 10b and the opening 20a for guiding the injected water into the opening 20a.

A water diversion channel 60a is formed in the water diversion portion 60, one end of the water diversion channel 60a is communicated with the water filling port 10b, and the other end is connected with or extends into the opening 20a. The water diversion channel 60a has a water inlet end communicated with the water filling port 10b and a water outlet end communicated with the opening 20a, and the width of the water inlet end is larger than that of the water outlet end.

The water diversion portion 60 and the face frame 120 are integrally formed.

The water diversion channel 60a has a first side wall 601 and a second side wall 602, the first side wall 601 includes an arc portion 6011 and a first vertical portion 6012, the arc portion 6011 is located at an upper side of the first vertical portion 6012, the second side wall 602 includes a second vertical portion 6021 and an inclined portion 6022, and the second vertical portion 6021 is located at an upper side of the inclined portion 6022. The arc portion 6011 and the second vertical portion 6021 together define a water inlet end, and the arc portion 6011 may function to guide a water flow. The first vertical portion 6012 and the inclined portion 6022 together define a water outlet end, and the inclined portion 6022 may function to guide a water flow.

The heat exchanger 30 is provided in the installation space 10a, and the heat exchanger 30 is a fin type heat exchanger provided with fins thereon.

A spray device 40 is connected to the water tank 20 for spraying water onto the fins of the heat exchanger 30.

The spraying device 40 comprises a water pump 410 and a spraying plate 420, wherein the water pump 410 is connected with the water tank 20 through a pipeline 401; the shower plate 420 is connected to the water pump 410 through a pipe 401, and the shower plate 420 is provided on the heat exchanger 30 and extends in the length direction of the heat exchanger 30.

The spray plate 420 has a plurality of spray holes 420a provided therein, and the plurality of spray holes 420a are spaced apart along a length direction of the spray plate 420.

An included angle is formed between the hole center connecting line of the plurality of spray holes 420a and the lower surface of the spray cavity, the included angle is 3 degrees, and the distance between the plurality of spray holes 420a and the lower surface of the spray cavity is gradually increased along the direction away from the water pump 410.

An air conditioner according to an embodiment of the present invention includes the air conditioning indoor unit 100 described above.

According to the air conditioner provided by the embodiment of the invention, the water tank 20 is not required to be disassembled in the whole water adding process of the air conditioner indoor unit 100, so that the water adding operation is simpler, and the cost is lower.

Other constructions and operations of the indoor unit 100 according to the embodiment of the present invention are known to those skilled in the art, and will not be described in detail herein.

In the description of the present specification, reference to the terms "some embodiments," "optionally," "further," 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, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims (14)

1. An air conditioning indoor unit, comprising:

the device comprises a shell, wherein an installation space is formed in the shell, and a water filling port communicated with the installation space and a movable cover for opening or closing the water filling port are arranged on the shell;

the water tank is arranged in the installation space, and an opening communicated with the water injection port is formed in the water tank;

the heat exchanger is arranged in the installation space;

and the spraying device is connected with the water tank and used for spraying water to the heat exchanger.

2. The indoor unit of claim 1, wherein the housing includes a chassis and a face frame provided on the chassis, the face frame and the chassis defining the installation space, and the water injection port is provided on a top surface or a side surface of the face frame.

3. The indoor unit of claim 2, wherein the housing further comprises a front panel provided on the face frame, and the water injection port is provided on the front panel.

4. The indoor unit of claim 1, wherein the movable cover is slidably disposed on the casing to slidably open or close the water filling port.

5. The indoor unit of claim 1, wherein a water diversion portion is provided in the installation space, the water diversion portion being provided between the water filling port and the opening for guiding the injected water into the opening.

6. An indoor unit for an air conditioner according to claim 5, wherein a water diversion channel is formed inside the water diversion portion, one end of the water diversion channel is communicated with the water filling port, and the other end of the water diversion channel is connected with or extends into the opening.

7. The indoor unit of claim 6, wherein the water diversion channel has a water inlet end communicating with the water filling port and a water outlet end communicating with the opening, and wherein a width of the water inlet end is greater than a width of the water outlet end.

8. An indoor unit for air conditioning according to claim 5, wherein the water diversion portion and the casing are integrally formed.

9. The indoor unit of claim 1, wherein the spray device comprises:

the water pump is connected with the water tank through a pipeline;

the spray plate is connected with the water pump through a pipeline, is arranged on the heat exchanger and extends along the length direction of the heat exchanger.

10. The indoor unit of claim 9, wherein the interior of the shower plate is provided with a shower cavity, the shower plate has a plurality of shower holes, and the plurality of shower holes are spaced apart along a length direction of the shower plate.

11. The indoor unit of claim 10, wherein an included angle is formed between a line connecting a center of the spray holes and a lower surface of the spray chamber, and a distance between the spray holes and the lower surface of the spray chamber increases gradually in a direction away from the water pump.

12. An indoor unit for an air conditioner according to claim 11, wherein the included angle is in the range of 0-5 degrees.

13. An indoor unit for an air conditioner according to claim 9, wherein the heat exchanger is provided with fins, and the shower plate is configured to shower water onto the fins.

14. An air conditioner comprising the air conditioner indoor unit according to any one of claims 1 to 13.