CN217464673U - Air conditioner indoor unit and air conditioner - Google Patents

Abstract

The utility model discloses an indoor set of air conditioning and air conditioner, the indoor set of air conditioning includes: the water injection device comprises a shell, a water injection hole and a movable cover, wherein an installation space is formed inside the shell, and the shell is provided with the water injection hole communicated with the installation space and the movable cover used for opening or closing the water injection hole; the water tank is arranged in the installation space and is provided with an opening communicated with the water filling port; the heat exchanger is arranged in the installation space; and the spraying device is connected with the water tank and is used for spraying water to the heat exchanger. The utility model discloses an indoor set of air conditioner through set up on the casing with the uncovered communicating water filling port of water tank with be used for opening or close the movable cover of water filling port, only need open the movable cover, can add water to the water tank in through the water filling port, whole water filling in-process need not to dismantle the water tank, the operation of adding water is fairly simple, the cost is also lower.

Description

Air conditioner indoor unit and air conditioner

Technical Field

The utility model belongs to the technical field of the air conditioning technique and specifically relates to an indoor unit of air conditioner and air conditioner is related to.

Background

In the related art, in an air-conditioning indoor unit with a humidifying function, when water needs to be added, a user first needs to detach a water tank from the indoor unit, add water into the water tank, and then reinstall the water tank, so that the purpose of adding water is achieved. However, the water tank needs to be disassembled when water is added, so that the operation is more complicated and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide an indoor set of air conditioning, the indoor set of air conditioning need not to dismantle the water tank when adding water, and it is more convenient to add water operation.

The utility model discloses still aim at providing an air conditioner to use foretell indoor set of air conditioning.

According to the utility model discloses machine in air conditioning, include: the water injection device comprises a machine shell, a water injection hole and a movable cover, wherein an installation space is formed inside the machine shell, and the machine shell is provided with the water injection hole communicated with the installation space and the movable cover used for opening or closing the water injection hole; the water tank is arranged in the installation space, and an opening communicated with the water filling 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 is used for spraying water to the heat exchanger.

According to the utility model discloses machine in air conditioning through set up on the casing with the uncovered communicating water filling port of water tank with be used for opening or close the movable cover of water filling port, only need open the movable cover, can add water to the water tank in through the water filling port, whole water filling in-process need not to dismantle the water tank, adds water operation fairly simple, and the cost is also lower.

In some embodiments of the present invention, the casing includes a chassis and a face frame provided on the chassis, the face frame defines the installation space with the chassis, and the water filling port is provided on the top surface or the side surface of the face frame.

In some embodiments of the present invention, the casing further comprises 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 housing to open or close the water filling port in a sliding manner.

In some embodiments of the present invention, a water diversion part is disposed in the installation space, and the water diversion part is disposed between the water injection port and the opening for guiding the injected water to enter the opening.

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

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

In some embodiments of the present invention, the water introducing part and the housing are integrally formed.

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

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

The utility model discloses an in some embodiments, it is a plurality of spray the hole center line of hole with it is equipped with the contained angle, a plurality of to spray between the lower surface in chamber spray the hole with the distance between the lower surface in chamber is along keeping away from the direction crescent of water pump.

In some embodiments of the present invention, the included angle ranges from 0 to 5 degrees.

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

According to the utility model discloses air conditioner, including the foregoing air conditioning indoor unit.

According to the utility model discloses air conditioner need not to dismantle the water tank through adopting this air conditioning indoor set whole water filling in-process, and the operation of adding water is fairly simple, and the cost is also lower.

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 above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

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

fig. 2 is a schematic perspective view of an indoor unit of an air conditioner according to an 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 of FIG. 2;

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

FIG. 6 is an enlarged partial schematic view at VI of FIG. 4;

fig. 7 is a partially enlarged view at VII of fig. 1.

Reference numerals:

100. an air-conditioning indoor unit;

10. a housing;

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

110. a chassis; 120. a face frame;

20. a water tank; 20a, opening the opening;

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 pipeline;

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

60. a water diversion part;

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

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

602. a second side wall; 6021. a second vertical portion; 6022. an inclined portion.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

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

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

An installation space 10a is formed inside the casing 10, and a water filling port 10b communicated with the installation space 10a and a movable cover 50 for opening or closing the water filling port 10b are arranged 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 the humidification function through the cooperation of the water tank 20, the spraying device 40 and the heat exchanger 30, wherein the heat exchanger 30 can be specifically an evaporator, when the consumed water needs to be replenished, the water filling port 10b can be opened only by opening the movable cover 50, 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 of the air conditioner 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 structures and installation positions of the above components may refer to the prior art, which are not described herein again. Furthermore, the indoor unit 100 of the air conditioner of the embodiment of the present invention may be a wall unit, a cabinet unit, a ceiling unit, a ducted air conditioner, etc., and is not limited herein,

according to the utility model discloses indoor set 100 of air conditioner, through set up on the casing 10 with the communicating water filling port 10b of the uncovered 20a of water tank 20 and the movable cover 50 that is used for opening or closing water filling port 10b, only need open movable cover 50, can add water in to water tank 20 through water filling port 10b, whole water filling in-process need not to dismantle water tank 20, and the operation of adding water is fairly simple, and the cost is also 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 disposed on the chassis 110, the face frame 120 and the chassis 110 define an installation space 10a, and the water injection port 10b is disposed on a top surface or a side surface of the face frame 120. Assuming that the side of the housing 10 facing the user is the front, the top surface of the face frame 120 may be referred to as an upper end surface, and the side surfaces may be referred to as left and right end surfaces, in this case, the water filling port 10b may be provided on the top surface of the face frame 120, so that the user can 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 can fill water into the water tank 20 from the left or right direction.

That is, by disposing the water filling opening 10b on the top surface or the side surface of the face frame 120, accordingly, the movable cover 50 of the water filling opening 10b can be better hidden when being opened or closed, and the user can not easily perceive the movable cover 50 on the front surface, which is beneficial to ensuring the aesthetic property of the whole machine.

The base plate 110 serves as a base of the air conditioning indoor unit 100 and is used for supporting the whole unit, and specifically, when the air conditioning indoor unit 100 is an on-hook unit, the base plate 110 may be installed on a wall, and when the air conditioning indoor unit 100 is a cabinet unit, the base plate 110 may be placed on the ground.

It should be noted that the description of the invention where a first feature is "on," "over" and "above" a second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

In some embodiments of the present invention, the casing 10 further includes a front panel disposed on the face frame 120, and the water filling port 10b is disposed on the front panel. The front panel is arranged towards the user, the water filling port 10b can be arranged on the front panel, namely, the user can add 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 adding is more convenient.

In some embodiments of the present invention, as shown in fig. 2, a movable cover 50 is slidably provided on the housing 10 to open or close the water filling port 10b by sliding. 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 the water adding is finished, the movable cover 50 is pulled back, and the water filling port 10b can be closed.

In some embodiments of the present invention, the face frame 120 or the front panel may be provided with a slide rail, and the movable cover 50 is slidably fitted on the slide rail. Specifically, the sliding rails may be disposed on two sides of the movable cover 50 in the sliding direction, and may limit the two sides of the movable cover 50, so as to improve the sliding reliability of the movable cover 50.

In some embodiments of the present invention, as shown in fig. 4 and 5, a water introducing portion 60 is disposed in the installation space 10a, and the water introducing portion 60 is disposed between the water filling port 10b and the opening 20a for introducing the filled water into the opening 20 a. The water guide part 60 plays a role in drainage, and can guide the water added from the water injection port 10b into the opening 20a, so that the position requirements on the water injection 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 part 60, one end of the water diversion channel 60a communicates with the water injection port 10b, and the other end thereof is connected to or extends into the opening 20 a. That is, the water introducing part 60 is configured as a housing member, and water flows along the inner water introducing passage 60a, thereby preventing water from falling to the outside of the water introducing part 60 during the water introducing process.

In some embodiments of the present invention, the water channel 60a has a water inlet end (not shown) connected to the water inlet 10b and a water outlet end (not shown) connected to the opening 20a, and the width of the water inlet end is greater than that of the water outlet end. The wider water inlet end of the mode is convenient for water inlet, water adding becomes easier, and the water adding efficiency can be improved.

In some embodiments of the present invention, as shown in fig. 5, the 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 on 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 on an upper side of the inclined portion 6022. The arcuate portion 6011 and the second upright portion 6021 together define a water inlet end, and the arcuate portion 6011 may function to direct the flow of water. First upright portion 6012 and inclined portion 6022 cooperate to define a water outlet end, and inclined portion 6022 may function to direct the flow of water.

In some embodiments of the present invention, the water introducing part 60 and the casing 10 are integrally formed, so that the mold opening can be reduced, and the production efficiency can be improved. Wherein, the water filling port 10b is formed on the water inlet end of the water introduction channel 60 a.

The utility model discloses an in the concrete embodiment, diversion portion 60 and face frame 120 integrated into one piece, specifically, can understand that diversion portion 60 and face frame 120 can be integrative injection moulding, can reduce the installation step when consequently whole machine assembly, improve assembly efficiency.

In the embodiment of the present invention, as shown in fig. 5, a sliding groove 60b is provided at the water inlet of the water conduit 60a, and the edge of the movable cover 50 is engaged with the sliding groove 60b to slide 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 inlet 10 b.

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

In some embodiments of the present invention, as shown in fig. 1, the opening 20a is disposed at the top of the water tank 20, so that the volume inside the water tank 20 is relatively large, and more water can be contained therein.

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 can be easily 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 is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so 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 invention.

In some embodiments of the present invention, as shown in fig. 1, the spraying device 40 includes a water pump 410 and a spraying plate 420, the water pump 410 is 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 extracted through the pipeline 401, then the water is conveyed into the spraying plate 420 through the external pipeline 401, the spraying plate 420 sprays the water on the heat exchanger 30, the water is evaporated through the heat of the heat exchanger 30 to form water vapor, and then the water vapor can be blown into a room through the fan assembly of the indoor air conditioner unit 100 to play a role in humidification. The contact area of the water and the heat exchanger 30 is larger in a spraying mode, so that more steam can be generated by the heat exchanger 30.

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

In some embodiments of the present invention, the water pump 410 is secured to the water tank 20 by fasteners, thereby forming a unitary piece that is easy to install or remove. Specifically, the fastening member may be a screw or a bolt, for example, a threaded hole is provided on the water tank 20, a threaded seat is provided on the water pump 410, and the screw or the bolt is fitted into the threaded hole through the threaded seat. The fastener also can be the buckle spare, for example, set up the draw-in groove on the water tank 20, set up the buckle on the water pump 410, thereby the connection of realization water tank 20 and water pump 410 of snap-fit on the draw-in groove, adopt this kind of buckle connected mode then to dismantle or the installation is more convenient, and efficiency is than higher.

In some embodiments of the present invention, as shown in fig. 6 and 7, a spraying chamber (not shown) is disposed inside the spraying plate 420, the spraying plate 420 has a plurality of spraying holes 420a, and the plurality of spraying holes 420a are spaced apart along a length direction of the spraying plate 420. The spray chamber 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, "a plurality" means two or more.

In some embodiments of the present invention, as shown in fig. 6, an included angle is formed between the hole center connecting line of the plurality of spraying holes 420a and the lower surface of the spraying cavity, and the distance between the plurality of spraying holes 420a and the lower surface of the spraying cavity is gradually increased along the direction away from the water pump 410. In this manner, it is ensured that water can flow from the water inlet end of the shower plate 420 to the end, so that water is sprayed at the end of the shower plate 420.

In some embodiments of the present invention, the included angle ranges from 0 to 5 degrees. For example, as shown in fig. 6, the included angle is set to α, and the value of α may be any one of 1 degree, 2 degrees, 3 degrees, and 4 degrees, and may be specifically set according to the situation. Of course, the above is only an example, and the value of α may be within a range of 0 to 5 degrees, which is not described herein again.

In some embodiments of the present invention, as shown in fig. 7, the spray plate 420 includes a spray plate main body 4201 and a cover plate 4202, the cover plate 4202 is detachably provided on the spray plate main body 4201 to define a spray chamber, and a plurality of spray holes 420a are provided on the spray plate main body 4201. By providing the shower plate 420 with the shower plate main body 4201 and the cover plate 4202 which are separately detachable, the cover plate 4202 can be opened, and the shower plate 420 can be cleaned or decontaminated.

In some embodiments of the present invention, fins are provided on the heat exchanger 30, and the spray plate 420 is used to spray water on 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, the purpose of humidification is achieved by the fins, and the cost is low.

In some embodiments of the present invention, the spraying plate 420 is disposed above the top fin, and when the spraying plate 420 sprays water, water energy flows downward from the top fin, and then passes through the lower fin, so as to ensure that all fins can be fully utilized.

In some embodiments of the present 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 inner space of the indoor unit 100 of the air conditioner can be saved.

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

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

An embodiment of the indoor unit 100 of an air conditioner of the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1 to 7, the indoor unit 100 of an air conditioner includes a cabinet 10, a water tank 20, a heat exchanger 30, a shower device 40, and a water guide portion 60.

An installation space 10a is formed inside 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 cabinet 10 includes a base plate 110, a face frame 120, and a front panel, the face frame 120 is disposed on the base plate 110, the face frame 120 and the base plate 110 define an installation space 10a, and a water injection port 10b is disposed on a top surface of the face frame 120.

The movable cap 50 is slidably provided on the face frame 120 to open or close the water filling port 10b in a sliding manner

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 10 b.

The water introduction part 60 is provided in the installation space 10a, and the water introduction part 60 is provided between the water filling port 10b and the opening 20a for introducing the injected water into the opening 20 a.

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

The water introduction part 60 and the face frame 120 are integrally formed.

The 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 upright portion 6012, the arc portion 6011 is located on an upper side of the first upright portion 6012, the second side wall 602 includes a second upright portion 6021 and an inclined portion 6022, and the second upright portion 6021 is located on an upper side of the inclined portion 6022. Arcuate portion 6011 and second upright portion 6021 cooperate to define a water entry end, and arcuate portion 6011 may function to direct a flow of water. First upright portion 6012 and inclined portion 6022 cooperate to define a water outlet end, and inclined portion 6022 may function to direct the flow of water.

The heat exchanger 30 is provided in the installation space 10a, and the heat exchanger 30 is a fin type heat exchanger on which fins are provided.

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 spray chamber therein, and the spray plate 420 has a plurality of spray holes 420a, and the plurality of spray holes 420a are spaced apart from each other along a length direction of the spray plate 420.

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

According to the utility model discloses air conditioner, machine 100 in the air conditioning including the foregoing.

According to the utility model discloses air conditioner need not to dismantle water tank 20 through adopting this air conditioning indoor set 100 whole water process of adding, and the operation of adding water is fairly simple, and the cost is also lower.

Other configurations and operations of the air conditioning 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 herein, references to the description of the terms "some embodiments," "optionally," "further," or "some examples," etc., 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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

Claims (14)

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

the water injection device comprises a machine shell, a water injection hole and a movable cover, wherein an installation space is formed inside the machine shell, and the machine shell is provided with the water injection hole communicated with the installation space and the movable cover used for opening or closing the water injection hole;

the water tank is arranged in the installation space, and an opening communicated with the water filling 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 is used for spraying water to the heat exchanger.

2. An indoor unit of an air conditioner according to claim 1, wherein the cabinet includes a base plate and a face frame provided on the base plate, the face frame and the base plate define the installation space, and the water injection port is provided on a top surface or a side surface of the face frame.

3. An indoor unit of an air conditioner according to claim 2, wherein the casing further includes a front panel provided on the face frame, and the water filling port is provided on the front panel.

4. An indoor unit of an air conditioner according to claim 1, wherein the movable cover is slidably provided on the casing to open or close the water filling port in a sliding manner.

5. An indoor unit of an air conditioner according to claim 1, wherein a water guide part is provided in the installation space, the water guide part being provided between the water filling port and the opening to guide the injected water into the opening.

6. An indoor unit of an air conditioner as claimed in claim 5, wherein a water guide passage is formed inside the water guide part, one end of the water guide passage is communicated with the water filling port, and the other end of the water guide passage is connected with or extends into the opening.

7. An indoor unit of an air conditioner as claimed in claim 6, wherein 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.

8. An indoor unit of an air conditioner according to claim 5, wherein the water introducing part and the cabinet are integrally formed.

9. An indoor unit of an air conditioner according to claim 1, wherein the shower device includes:

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

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

10. An indoor unit of an air conditioner according to claim 9, wherein a spray chamber is formed inside the spray plate, and the spray plate has a plurality of spray holes spaced apart in a lengthwise direction of the spray plate.

11. An indoor unit of an air conditioner according to claim 10, wherein an included angle is formed between a connecting line of hole centers of the plurality of spraying holes and the lower surface of the spraying chamber, and a distance between the plurality of spraying holes and the lower surface of the spraying chamber is gradually increased in a direction away from the water pump.

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

13. An indoor unit of an air conditioner according to claim 9, wherein the heat exchanger is provided with fins, and the spray plate is used to spray water on the fins.

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

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