CN220417631U - Air conditioner indoor unit capable of recycling condensed water - Google Patents

Abstract

The utility model provides an air conditioner indoor unit for recycling condensed water, and relates to the field of air conditioners. The indoor unit comprises a shell, wherein a water storage tank is arranged in the shell and is provided with a water inlet, a water outlet and a first air outlet; the humidifying assembly is arranged in the water storage tank, the shell is provided with a second air outlet, and moisture atomized by the humidifying assembly can be discharged after passing through the first air outlet and the second air outlet in sequence; the water storage tank is also internally provided with a water level sensor and a valve, and the shell is also internally provided with a driving piece; when the water level reaches the preset highest water level, the driving piece drives the valve to a drainage position, and water is drained from the drainage port through a waterway on the valve; when the water level is lower than the preset water storage level, the driving part drives the valve to the initial position, so that water falls into the water storage tank for storage. The indoor unit can recycle condensed water for humidification, so that the waste of the condensed water is effectively avoided; and the valve action is quick and accurate, and the water storage and drainage modes can be ensured to be switched correctly.

Description

Air conditioner indoor unit capable of recycling condensed water

Technical Field

The utility model relates to the technical field of air conditioners, in particular to an air conditioner indoor unit for recycling condensed water.

Background

During operation of the air conditioner, the evaporator bracket and the air duct can generate a temperature difference with the external environment temperature due to the refrigeration (or heating) of the evaporator. Under the influence of the temperature difference, water vapor in the air inside the air conditioner can be liquefied into water drops and attached to the surface of the evaporator bracket or the air duct. As shown in fig. 1 and 2, as the air conditioner is continuously operated, water drops flow into the water pan 040 along the surfaces of the evaporator bracket 020 and the air duct 030 in a water flow form and finally are discharged to the outside through the drain pipe 050, so that a separate drain pipe 050 is required to be arranged in the house, and if the drain pipe 050 is not arranged, water resources are wasted and pollution is easily caused due to water drops to the outside.

Disclosure of Invention

The utility model aims to provide an air conditioner indoor unit for recycling condensed water, which solves the technical problem that the condensed water is wasted by an air conditioner in the prior art.

The utility model provides an air conditioner indoor unit for recycling condensed water, which comprises a shell, wherein a water storage tank is arranged in the shell, the water storage tank is provided with a water inlet and a water outlet, and the water outlet is higher than a preset highest water level of the water storage tank; the humidifying assembly is arranged in the water storage tank, the water storage tank is further provided with a first air outlet, the shell is provided with a second air outlet, and the moisture atomized by the humidifying assembly can be discharged after passing through the first air outlet and the second air outlet in sequence;

the water storage tank is also internally provided with a water level sensor and a valve, and the valve is provided with an initial position and a drainage position; a driving piece is also arranged in the shell; when the water level sensor detects that the water level in the water storage tank reaches the preset highest water level, the driving piece can drive the valve to the drainage position, and inflow water is drained from the drainage outlet through a waterway on the valve; when the water level sensor detects that the water level in the water storage tank is lower than a preset water storage level, the driving piece can drive the valve to the initial position, so that water falls into the water storage tank for storage, and the preset water storage level is lower than the preset highest water level.

The air conditioner indoor unit for recycling condensed water provided by the utility model has the following beneficial effects:

when the air conditioner indoor unit for recycling condensed water is used, the condensed water enters the water storage tank from the water inlet of the water storage tank, and if the water level sensor detects that the water level in the water storage tank does not reach the preset highest water level, the valve is always at the initial position, and the inlet water directly falls into the water storage tank for storage; when the water level sensor detects that the water level in the water storage tank reaches the preset highest water level, the driving piece drives the valve to move to the drainage position, and condensed water entering the water storage tank is drained from the drainage port through a waterway on the valve; after the humidifying function is started, the humidifying component atomizes water in the water storage tank, and moisture is discharged through the first air outlet and the second air outlet in sequence; the water level in the water storage tank gradually drops along with the consumption of water; when the water level sensor detects that the water level in the water storage tank is lower than the preset water storage level, the driving part drives the valve to leave the drainage position, and condensed water entering the water storage tank directly falls into the water storage tank again for storage. Therefore, the air conditioner indoor unit provided by the utility model can recycle the condensed water to humidify the air by arranging the water storage tank and the humidifying component, effectively utilizes the condensed water and avoids the waste of the condensed water. In addition, the air conditioner indoor unit provided by the utility model detects the water level in the water storage tank through the water level sensor and drives the valve to move through the driving piece, so that the valve acts rapidly and accurately, and further, the accurate switching of the water storage and drainage modes can be ensured.

Further, the valve is rotatably arranged on the side wall of the water storage tank, and the driving piece is in transmission connection with the valve; the valve comprises a first drainage plate and a second drainage plate which are fixedly connected with each other at an included angle, and the included angle is more than or equal to 90 degrees; one side of the first drainage plate and one side of the second drainage plate are fixedly connected with a first water baffle, and the other side of the first drainage plate and the other side of the second drainage plate are fixedly connected with a second water baffle; the first drainage plate, the second drainage plate, the first water baffle and the second water baffle jointly enclose a waterway for draining water, and when the valve is positioned at the draining position, water is drained from the draining outlet through the waterway. Under this technical scheme, the movable range of valve is little, the control of being convenient for, and is difficult for interfering with other structures.

Further, a first limiting part and a second limiting part are arranged in the water storage tank, and when the water level in the water storage tank is lower than a preset minimum water level, the first limiting part blocks the second drainage plate from rotating towards a first direction; when the water level in the water storage tank is higher than the preset highest water level, the second limiting part blocks the second drainage plate from rotating towards a second direction, and the second direction is opposite to the first direction. Under this technical scheme, the second drainage board rotates in the angle scope that first spacing portion and second spacing portion prescribe a limit to, can effectively avoid the valve to hinder the emergence of circumstances such as water fall or lead to drainage leakage because of rotating excessively.

Further, the first limiting part is a limiting rib arranged on the top wall of the water storage tank; and/or the second limiting part is a limiting protrusion arranged on the side wall of the water storage tank. Under the technical scheme, the limit rib has simple structure, simple molding and convenient arrangement; the limiting bulge has higher structural strength and larger bearing capacity, so that the valve and water flow on the valve can be stably borne.

Further, a fixed frame is arranged on the side wall of the water storage tank, and the water level sensor is installed in the fixed frame. Under this technical scheme, when water level sensor breaks down, be convenient for change.

Further, the driving piece is positioned outside the water storage tank and fixedly installed on the side wall of the water storage tank.

Further, the humidifying component comprises water absorbing cotton and an oscillating piece, wherein the water absorbing cotton is used for absorbing water from the water storage tank; the oscillating piece is abutted with the absorbent cotton and is used for generating water mist. Under this technical scheme, humidification subassembly utilizes ultrasonic oscillation principle humidification air.

Further, a limiting groove is formed in the water storage tank, a second water inlet hole is formed in the limiting groove, and the second water inlet hole is communicated with the inside of the limiting groove and the inside of the water storage tank; the absorbent cotton is accommodated in the limit groove; and an elastic piece is further arranged in the limiting groove and positioned below the absorbent cotton, and is used for enabling the absorbent cotton to be always abutted to the oscillating piece. Under this technical scheme, the spacing groove plays spacing and supporting role to the cotton that absorbs water, and the elastic component then makes the cotton that absorbs water can with the reliable contact of oscillating piece to can be when opening the humidification function, the cotton that absorbs water can carry the water near the oscillating piece smoothly, guarantee the humidification effect.

Further, the elastic piece comprises a mounting bracket and a plurality of springs mounted on the mounting bracket, a plurality of mounting seats are arranged on the mounting bracket along the length direction, and the springs are in one-to-one correspondence with the mounting seats. Under this technical scheme, along the length direction of installing support, also the length direction of cotton that absorbs water promptly, a plurality of springs apply ascending effort to the cotton that absorbs water jointly to the everywhere at the top of cotton that absorbs water can all reliably abut with the oscillating piece.

Further, the indoor unit further comprises a water receiving disc, wherein the water receiving disc is used for recycling condensate water flowing down by the evaporator bracket and the air duct; the water inlet of the water storage tank is lower than the water receiving disc and is communicated with the water outlet of the water receiving disc.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of an indoor unit of an air conditioner according to the prior art;

FIG. 2 is an enlarged schematic view of the structure shown at A in FIG. 1;

fig. 3 is a schematic cross-sectional view of an indoor unit of an air conditioner according to an embodiment of the present utility model;

FIG. 4 is an enlarged schematic view of FIG. 3B, wherein the valve is in the initial position;

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

fig. 6 is a schematic partial sectional view of an indoor unit of an air conditioner according to an embodiment of the present utility model, in which a valve is located at a drainage position;

FIG. 7 is an enlarged schematic view of the structure of FIG. 6 at D;

fig. 8 is a partial exploded view of an indoor unit of an air conditioner according to an embodiment of the present utility model.

Reference numerals illustrate:

010-a housing; 020-evaporator stand; 030-duct; 040-water pan; 050-drainage pipes; 060-connecting tube;

100-a water storage tank; 101-a water inlet; 102-a water outlet; 110-a box body; 111-limit protrusions; 120-case cover; 130-valve cover; 131-limiting ribs; 140-fixing the frame; 150-a limit groove; 151-water inlet holes;

210-valve; 211-a first drainage plate; 212-a second drainage plate; 214-a second water deflector; 220-motor;

310-absorbent cotton; 320-fixing seat; 330-sealing a rubber frame; 340-oscillating piece; 350-mounting a bracket; 360-spring;

400-water level sensor.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The embodiment provides an indoor unit of an air conditioner for recycling condensed water, as shown in fig. 3 to 7, comprising a shell 010, wherein a water storage tank 100 is arranged in the shell 010, the water storage tank 100 is provided with a water inlet 101 and a water outlet 102, and the water outlet 102 is higher than a preset highest water level of the water storage tank 100; the humidifying component is arranged in the water storage tank 100, the water storage tank 100 is also provided with a first air outlet, the shell 010 is provided with a second air outlet, and the moisture atomized by the humidifying component can be discharged after passing through the first air outlet and the second air outlet in sequence; the water storage tank 100 is also provided with a water level sensor 400 and a valve 210, and the valve 210 has an initial position and a drainage position; a driving piece is also arranged in the shell 010; when the water level sensor 400 detects that the water level in the water storage tank 100 reaches the preset highest water level, the driving member can drive the valve 210 to the drainage position, and the inlet water is discharged from the drainage outlet 102 through the waterway on the valve 210; when the water level sensor 400 detects that the water level in the water storage tank 100 is lower than the preset water storage level, the driving member can drive the valve 210 to the initial position, so that water falls into the water storage tank 100 for storage, and the preset water storage level is lower than the preset maximum water level.

When the indoor unit of the air conditioner for recycling condensed water provided by the embodiment is used, condensed water enters the water storage tank 100 from the water inlet 101 of the water storage tank 100, if the water level sensor 400 detects that the water level in the water storage tank 100 does not reach the preset highest water level, the valve 210 is always at the initial position, and the inlet water directly falls into the water storage tank 100 for storage, as shown in fig. 3 to 5; when the water level sensor 400 detects that the water level in the water storage tank 100 reaches the preset maximum water level, the driving member drives the valve 210 to move to the drainage position, and condensed water entering the water storage tank 100 is drained from the drainage port 102 through a waterway on the valve 210, as shown in fig. 6 and 7; after the humidifying function is started, the humidifying component atomizes water in the water storage tank 100, and moisture is discharged through the first air outlet and the second air outlet in sequence; as the water is consumed, the water level in the water reservoir 100 gradually drops; when the water level sensor 400 detects that the water level in the water storage tank 100 is lower than the preset water storage level, the driving member drives the valve 210 to leave the drainage position, and the condensed water entering the water storage tank 100 directly falls into the water storage tank 100 again for storage. Therefore, the indoor unit of the air conditioner provided by the embodiment can recycle the condensed water to humidify the air by arranging the water storage tank 100 and the humidifying component, effectively utilizes the condensed water and avoids the waste of the condensed water. In addition, in the indoor unit of the air conditioner provided by the embodiment, the water level sensor 400 detects the water level in the water storage tank 100, and the driving member drives the valve 210 to move, so that the valve 210 acts rapidly and accurately, and further, the accurate switching of the water storage and drainage modes can be ensured.

Specifically, in this embodiment, as shown in fig. 5 and 7, the valve 210 is rotatably disposed on the side wall of the water storage tank 100, and the driving member is in transmission connection with the valve 210; the valve 210 comprises a first drainage plate 211 and a second drainage plate 212 which are fixedly connected with each other at an included angle, and the included angle is more than or equal to 90 degrees; one side of the first drainage plate 211 and one side of the second drainage plate 212 are fixedly connected with a first water baffle, and the other side of the first drainage plate is fixedly connected with a second water baffle 214; the first drainage plate 211, the second drainage plate 212, the first water baffle and the second water baffle 214 together enclose a water channel for draining water, and when the valve 210 is located at the draining position, inflow water is drained from the drain outlet 102 through the water channel. With this arrangement, the valve 210 has a small range of motion, is easy to control, and is not easily interfered with other structures.

Here, it should be noted that, in other embodiments of the present application, the valve 210 and the driving member are not limited to the above arrangement, for example: the valve 210 may also be connected to a driving member, and suspended in the water storage tank 100, where the driving member may be a linear driving member, and when the water level sensor 400 detects that the water level in the water storage tank 100 reaches the preset maximum water level, the driving member drives the valve 210 to move to a drainage position below the water inlet 101 of the water storage tank 100; when water storage is needed and water drainage is not needed, the driving piece drives the valve 210 to leave the water drainage position.

Specifically, in this embodiment, a first limiting portion and a second limiting portion are disposed in the water storage tank 100, and when the water level in the water storage tank 100 is lower than a preset minimum water level, the first limiting portion blocks the second drainage plate 212 from rotating in the first direction; when the water level in the water storage tank 100 is higher than the preset maximum water level, the second limiting portion blocks the second drainage plate 212 from rotating in a second direction opposite to the first direction. With the view of fig. 3 to 7, the first direction is directed counterclockwise and the second direction is directed clockwise. By the arrangement, the second drainage plate 212 rotates within the angle range defined by the first limiting part and the second limiting part, so that the occurrence of the conditions that the valve 210 prevents water from falling down or causes drainage leakage and the like due to excessive rotation can be effectively avoided.

Specifically, in the present embodiment, as shown in fig. 5 and 7, the first limiting portion is a limiting rib 131 disposed on the top wall of the water storage tank 100. The limiting rib 131 is simple in structure, simple in forming and convenient to set. Of course, in other embodiments of the present application, the first limiting portion is not limited to be disposed on the top wall of the water storage tank 100, but may also be disposed on the side wall of the water storage tank 100; in addition, the first limiting portion is not limited to the structural form of the limiting rib 131, for example: but may also be a structure in which the top wall of the water storage tank 100 is inwardly protruded.

Specifically, in the present embodiment, as shown in fig. 7, the second limiting portion is a limiting protrusion 111 provided on a side wall of the water storage tank 100. By this arrangement, the limiting projection 111 has a relatively high structural strength and a relatively high bearing capacity, and can stably bear the water flow on the valve 210. Further, the limit projection 111 may be formed to protrude inward from a sidewall of the water reservoir 100. Of course, in other embodiments of the present application, the limit projection 111 is not limited to such a structural form, for example: the limit protrusion 111 may be a protrusion or a rib directly provided on a side wall of the water storage tank 100.

Specifically, in the present embodiment, as shown in fig. 5 and 7, the side wall of the water storage tank 100 is provided with a fixing frame 140, and the water level sensor 400 is installed in the fixing frame 140. So configured, when the water level sensor 400 malfunctions, replacement is facilitated. Of course, in other embodiments of the present application, the water level sensor 400 may be secured within the water reservoir 100 in other ways, such as: the water level sensor 400 may also be directly adhered to the sidewall of the water reservoir 100.

Specifically, in the present embodiment, as shown in fig. 6 and 7, the driving member is located outside the water storage tank 100 and fixedly installed at a side wall of the water storage tank 100. More specifically, in this embodiment, the driving member is a motor 220, and the motor 220 is in driving connection with the valve 210 for driving the valve 210 to rotate.

Specifically, in the present embodiment, as shown in fig. 5 and 8, the humidifying assembly includes a water absorbent cotton 310 and an oscillation piece 340, the water absorbent cotton 310 being used to absorb water from within the water reservoir 100; the oscillating piece 340 is abutted against the absorbent cotton 310, and the oscillating piece 340 is used for generating water mist. Of course, the humidifying assembly further includes a device for driving and controlling the oscillation of the oscillation plate 340, and the like, and the prior art may be directly adopted, which is not described herein. Moreover, in other embodiments of the present application, the humidifying assembly is not limited to an ultrasonic humidifying assembly, but may also be other types of humidifying assemblies, such as: the humidifying component can also be an electric heating humidifying component and the like.

Specifically, in this embodiment, as shown in fig. 4 and 6, a limit groove 150 is disposed in the water storage tank 100, the limit groove 150 is provided with a second water inlet 151, and the second water inlet 151 communicates the inside of the limit groove 150 with the inside of the water storage tank 100; the absorbent cotton 310 is accommodated in the limit groove 150; an elastic member is further disposed in the limiting groove 150, and the elastic member is located below the absorbent cotton 310 and is used for enabling the absorbent cotton 310 to be always abutted against the oscillating piece 340. Under this kind of setting form, spacing groove 150 plays spacing and supporting role to cotton 310 absorbs water, and the elastic component then makes cotton 310 absorbs water can with the reliable contact of vibration piece 340 to can be when opening the humidification function, cotton 310 absorbs water can carry the water near vibration piece 340 smoothly, guarantee the humidification effect.

Preferably, in this embodiment, the absorbent cotton 310 is a hard absorbent cotton, so that the absorbent cotton 310 can effectively abut against the oscillating piece 340 under the action of the elastic member, and can not deform.

Specifically, in this embodiment, as shown in fig. 4 and 8, the elastic member includes a mounting bracket 350 and a plurality of springs 360 mounted on the mounting bracket 350, and the mounting bracket 350 is provided with a plurality of mounting seats along the length direction, and the plurality of springs 360 are in one-to-one correspondence with the plurality of mounting seats. In this arrangement, the plurality of springs 360 collectively apply an upward force to the absorbent cotton 310 along the length direction of the mounting bracket 350, i.e., the length direction of the absorbent cotton 310, so that the top of the absorbent cotton 310 can reliably abut against the oscillating piece 340 everywhere. Of course, in other embodiments of the present application, the elastic member is not limited to the above-described forms, such as: the plurality of springs 360 may also be replaced with rubber strips.

Specifically, in this embodiment, as shown in fig. 4, the humidifying assembly further includes a fixing seat 320, the periphery of the oscillating piece 340 is embedded in the sealing rubber frame 330, the sealing rubber frame 330 is fixedly mounted on the fixing seat 320, and the fixing seat 320 is fixedly disposed on the water storage tank 100 near the first air outlet.

Specifically, in the present embodiment, as shown in fig. 8, the water storage tank 100 includes a tank body 110 and a tank cover 120, and the tank cover 120 is fastened to an opening above the tank body 110.

More specifically, in this embodiment, the cover 120 is provided with a cavity for accommodating the valve 210, and the opening above the cavity is buckled with the valve cover 130. Because the valve 210 has a smaller volume, the valve 210 can be disposed on the sidewall of the chamber by providing a special chamber, which is more convenient.

Specifically, in this embodiment, as shown in fig. 3, the indoor unit further includes a water pan 040, where the water pan 040 is used for recovering condensed water flowing down by the evaporator stand 020 and the air duct 030; the water inlet 101 of the water storage tank 100 is lower than the water receiving tray 040 and is communicated with the water outlet of the water receiving tray 040.

More specifically, in this embodiment, as further shown in fig. 3, the water outlet of the water pan 040 and the water inlet 101 of the water storage tank 100 are communicated with each other through a connection tube 060.

Finally, it is further noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. An air conditioner indoor unit for recycling condensed water is characterized by comprising a shell (010), wherein a water storage tank (100) is arranged in the shell (010), the water storage tank (100) is provided with a water inlet (101) and a water outlet (102), and the water outlet (102) is higher than a preset highest water level of the water storage tank (100); a humidifying component is arranged in the water storage tank (100), the water storage tank (100) is also provided with a first air outlet, the shell (010) is provided with a second air outlet, and the atomized moisture of the humidifying component can be discharged after passing through the first air outlet and the second air outlet in sequence;

a water level sensor (400) and a valve (210) are further arranged in the water storage tank (100), and the valve (210) is provided with an initial position and a drainage position; a driving piece is also arranged in the shell (010); when the water level sensor (400) detects that the water level in the water storage tank (100) reaches the preset highest water level, the driving piece can drive the valve (210) to the drainage position, and inflow water is discharged from the drainage outlet (102) through a waterway on the valve (210); when the water level sensor (400) detects that the water level in the water storage tank (100) is lower than a preset water storage level, the driving piece can drive the valve (210) to the initial position, so that water falls into the water storage tank (100) for storage, and the preset water storage level is lower than the preset highest water level.

2. The indoor unit of claim 1, wherein the valve (210) is rotatably provided at a side wall of the water storage tank (100), and the driving member is in transmission connection with the valve (210); the valve (210) comprises a first drainage plate (211) and a second drainage plate (212) which are fixedly connected with each other at an included angle, and the included angle is more than or equal to 90 degrees; one side of the first drainage plate (211) and one side of the second drainage plate (212) are fixedly connected with a first water baffle, and the other side of the first drainage plate is fixedly connected with a second water baffle (214); the first drainage plate (211), the second drainage plate (212), the first water baffle and the second water baffle (214) enclose a waterway for draining water together, and when the valve (210) is positioned at the draining position, inflow water is drained from the water outlet (102) through the waterway.

3. The indoor unit according to claim 2, wherein a first limit portion and a second limit portion are provided in the water storage tank (100), and the first limit portion blocks the second drainage plate (212) from rotating in a first direction when the water level in the water storage tank (100) is lower than a preset minimum water level; when the water level in the water storage tank (100) is higher than the preset highest water level, the second limiting part blocks the second drainage plate (212) from rotating towards a second direction, and the second direction is opposite to the first direction.

4. An indoor unit according to claim 3, wherein the first limit portion is a limit rib (131) provided on a top wall of the water storage tank (100); and/or the second limiting part is a limiting protrusion (111) arranged on the side wall of the water storage tank (100).

5. The indoor unit according to claim 1, wherein a side wall of the water storage tank (100) is provided with a fixing frame (140), and the water level sensor (400) is installed in the fixing frame (140).

6. The indoor unit of claim 1, wherein the driving element is located outside the water storage tank (100) and fixedly mounted to a side wall of the water storage tank (100).

7. The indoor unit of claim 1, wherein the humidifying assembly includes a water absorbent cotton (310) and an oscillating piece (340), the water absorbent cotton (310) being configured to absorb water from within the water reservoir (100); the oscillating piece (340) is abutted with the absorbent cotton (310), and the oscillating piece (340) is used for generating water mist.

8. The indoor unit according to claim 7, wherein a limit groove (150) is provided in the water storage tank (100), the limit groove (150) is provided with a second water inlet hole (151), and the second water inlet hole (151) communicates the inside of the limit groove (150) with the inside of the water storage tank (100); the absorbent cotton (310) is accommodated in the limit groove (150); an elastic piece is further arranged in the limiting groove (150), and the elastic piece is located below the absorbent cotton (310) and is used for enabling the absorbent cotton (310) to be always abutted to the oscillating piece (340).

9. The indoor unit of claim 8, wherein the elastic member includes a mounting bracket (350) and a plurality of springs (360) mounted to the mounting bracket (350), the mounting bracket (350) being provided with a plurality of mounting seats along a length direction, the plurality of springs (360) being in one-to-one correspondence with the plurality of mounting seats.

10. The indoor unit of claim 1, further comprising a water pan (040) for recovering condensed water flowing down the evaporator stand (020) and the air duct (030); the water inlet (101) of the water storage tank (100) is lower than the water receiving disc (040) and is communicated with the water outlet of the water receiving disc (040).