JPH11226331A - Indoor unit of air-conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To decrease labor needed for cleaning of an air filter for an indoor unit of an air-conditioner. SOLUTION: A filter brush 40 is constituted of a rotating brush 41 and a brush cover 43 for covering the rotating brush 41 from below. Pinions 42 are provided on both end parts of the rotating brush 41. In addition, a suction hole 45 is provided on the brush cover 43. On the other hand, supporting rails formed into a rack-like shape are provided respectively one by one on both side parts of an air plenum 16. The filter brush 40 is provided so as to engage the pinions 42 with the supporting rails. Then, when the filter brush 40 is moved, the rotating brush 41 is rotated to remove dust, etc., from an air filter 17. In addition, the dust, etc., removed from the air filter 17 are sucked from a suction hole 45 and are discharged.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an indoor unit of an air conditioner, and more particularly to a measure for cleaning an air filter.

[0002]

2. Description of the Related Art Conventionally, indoor units of an air conditioner include:
There is a case where an indoor heat exchanger, a fan and the like are housed inside a casing having an inlet and an outlet formed therein.
Then, the room air is sucked from the suction port, heat exchange is performed between the room air sucked by the indoor heat exchanger and the refrigerant in the refrigeration circuit to generate conditioned air, and the conditioned air is blown out from the outlet to air-condition the room. Is configured to do so. There are various types of this type of indoor unit depending on the installation mode. For example, as disclosed in Japanese Patent Application Laid-Open No. 6-341659, the indoor unit is configured as a ceiling embedded type that is embedded in a ceiling. There is.

[0003] The above-mentioned indoor unit is generally provided with an air filter in order to reduce contamination of the inside of the casing, particularly the heat exchanger. The air filter is formed in a net shape and is provided at the suction port. Then, the room air flowing into the casing from the suction port flows through the air filter, and at this time, floating substances such as dust contained in the room air are collected by the air filter.

[0004]

As described above, in a conventional indoor unit, suspended matter such as dust in indoor air is collected by an air filter. Therefore, suspended matter in the air gradually accumulates in the air filter, and the air filter is clogged. Therefore, it is necessary to remove floating substances such as dust from the air filter.
That is, if the air conditioning operation is performed for a predetermined time, the air filter must be cleaned.

Conventionally, this air filter has been cleaned by removing the air filter from the indoor unit. Therefore,
Cleaning the air filter was a tedious and laborious task. Also, when removing the air filter, dust and the like collected by the air filter scatter,
There was a problem of polluting the room. Further, in the case of the above-described ceiling-mounted indoor unit, since the indoor unit is installed on the ceiling, the air filter must be removed using a stepladder or the like. Therefore, cleaning of the air filter has become more troublesome.

[0006] The above-mentioned problem has been remarkable in a commercial air conditioner installed in a store or the like. That is, the operation time of the air conditioner used for business is longer than that of the air conditioner generally used for home use. Stores and the like have an environment where there are many people coming and going, and there are many floating matters such as dust. Therefore, it is necessary to frequently clean the air filter, and the labor required for cleaning the air filter has been excessive.

SUMMARY OF THE INVENTION The present invention has been made in view of the foregoing, and has as its object to reduce the labor required for cleaning an air filter of an indoor unit of an air conditioner. .

[0008]

According to the present invention, an indoor unit (1) of an air conditioner is provided with a cleaning means (40), and the cleaning means (40) is provided.
Thus, the air filter (17) is cleaned without removing it from the indoor unit (1).

More specifically, a first solution taken by the present invention is that a suction port (15) and an air outlet (16) are formed, and the inside is formed from the air inlet (15) to the air outlet (16). Communicating air passage (18)
Formed in the casing (10) and the air passage (18)
Heat exchanger (30) and fan (20)
And the suction port (1) provided over the entire surface of the suction port (15).
5) An air filter (17) for collecting suspended matter contained in indoor air flowing through the air conditioner, and is assumed to be an indoor unit (1) of an air conditioner for performing air conditioning in a room. The suction port (15) is opened at the bottom of the casing (10), and the air filter (17) is provided in a substantially horizontal position at the suction port (15), while the air filter (17) is provided. A cleaning means (40) is provided for removing floating substances collected by the air filter (17) from the air filter (17).

[0010] The second solution taken by the present invention is:
In the first solution, the suspended matter collected by the air filter (17) is provided to the cleaning means (40).
(1) a separating member (41) that separates from the air filter (17) and a cover member (43) that receives the suspended matter separated from the air filter (17) and prevents the suspended matter from falling It is.

Further, a third solution taken by the present invention is:
In the second solution, the separating member (41) is a rotating brush (41) formed in a cylindrical shape and rotated to separate suspended matter from the air filter (17), and the cover member (43) is
The rotating brush (41), which is formed in a container shape with an open top surface,
Is a brush cover (43) provided so as to cover the entire length from below.

A fourth solution taken by the present invention is:
In the third solution, the cleaning means (40) may be replaced by a rotating brush (41), a brush cover (43), and the rotating brush (4).
1), a filter brush (40) comprising a rotary brush (41) and a pinion (42) provided coaxially with the end of the filter brush (40), while the casing (10) is arranged in parallel with the air filter (17). Further, a rack-shaped support rail (50) is provided in which the rotating brush (41) rotates in accordance with the movement of the filter brush (40) by engaging with the pinion (42).

Further, a fifth solution taken by the present invention is:
In the third solution, a suction port (45) for sucking suspended matter in the brush cover (43) is formed in the brush cover (43) of the cleaning means (40).

[0014] A sixth solution taken by the present invention is:
In the first solution, the cleaning means (40) is disposed inside the casing (10).

Further, a seventh solution taken by the present invention is:
In any one of the first to sixth solving means,
(16) to the suction port (15) on the bottom of the casing (10).
The fan (20) is configured to blow air sucked from the lower surface to the side, and the heat exchanger (30) is
The fan (20) is provided so as to surround four sides of the fan (20).
The air blown out from (20) penetrates from inside to outside.

-Operation- In the first solution, the casing (10) of the indoor unit (1) is provided.
A suction port (15) is opened at the bottom of the container. And fans (2
0) draws room air from the suction port (15). The room air flows through the air passage (18) and passes through the heat exchanger (3).
0). Then, the air is heated or cooled in the heat exchanger (30) to form conditioned air, and the conditioned air is supplied to the outlet (16).
Blown out from. At this time, an air filter (17) is provided in the suction port (15), and the air filter (17) removes dust and the like contained in room air sucked into the casing (10) from the suction port (15). Collect suspended matter. On the other hand, when the cleaning means (40) is moved along the air filter (17),
The suspended matter collected by the air filter (17) is collected by the air filter (1).
7) Remove from. Therefore, with the air filter (17) attached to the casing (10), the cleaning means (40)
As a result, the air filter (17) is cleaned.

In the second solution, the separating member
The suspended matter collected in the air filter (17) by the air filter (17) is separated from the air filter (17), and
7) Suspended matter is removed from. At this time, the suspended matter separated from the air filter (17) by the separation member (41) is transferred to the cover member.
(43) and do not fall indoors.

According to the third solution, the rotating brush (41) comes into contact with the air filter (17) while rotating, and the suspended matter collected by the air filter (17) is removed by the air filter (17). ). A brush cover (43) for covering the rotating brush (41) from below receives the suspended matter separated from the air filter (17) by the rotating brush (41) and prevents the suspended matter from scattering.

In the fourth solution, the rotating brush (41), the brush cover (43), and the rotating brush (41)
The filter brush (40) is constituted by the pinion (42) provided at the end of the filter brush (40). The pinion (42) and the rack-shaped support rail (50) are engaged. Therefore, when the filter brush (40) moves, the pinion (42) moves along the support rail (50), and the pinion (42) rotates. Therefore, the rotating brush (41) rotates according to the movement of the filter brush (40).

In the fifth solution, when air is sucked from the suction port (45) provided in the brush cover (43), the floating matter received by the brush cover (43) is sucked together with the air. It is discharged from the suction port (45) to the outside of the brush cover (43). Therefore, the brush cover (43) is configured such that the separating member (41) receives the floating matter separated from the air filter (17), and the received floating matter can be discharged to the outside of the brush cover (43).

In the sixth solution, the cleaning means (40) is arranged inside the casing (10). Therefore,
Cleaning means (40) in a position that is difficult to see from outside the indoor unit (1)
Is provided.

In the seventh solution, the suction port (1
Both 5) and the air outlet (16) are open at the bottom of the casing (10), and the indoor unit (1) is formed as a ceiling-embedded indoor unit (1) installed embedded in the ceiling. And fans (20)
Blows the air sucked from below the fan (20) to the side of the fan (20). The air blown out from the fan (20) flows through a heat exchanger (30) provided around the fan (20) to become conditioned air.

[0023]

Therefore, according to the first solution,
By moving the cleaning means (40) provided in the indoor unit (1), suspended matter collected by the air filter (17) can be removed from the air filter (17). Therefore, the entire air filter (17) can be cleaned by the cleaning means (40) while the air filter (17) is attached to the indoor unit (1).
The labor required for cleaning of the device can be surely reduced.

Further, according to the second solution, the suspended matter can be separated from the air filter (17) by the separating member (41). In addition, the floating material separated from the air filter (17) by the cover member (43) can be received to prevent the floating material from falling into a room or the like. As a result,
The air filter (17) can be reliably cleaned without the suspended matter trapped in the air filter (17) being scattered into a room or the like.

Further, according to the third solution, the rotating rotary brush (41) comes into contact with the air filter (17), so that the suspended matter trapped in the air filter (17) can be reliably removed. It can be separated from the air filter (17). On the other hand, the suspended matter separated from the air filter (17) can be received by the brush cover (43) covering the lower part of the rotating brush (41). As a result, the air filter (1
The suspended matter trapped in 7) can be separated from the air filter (17) without scattering to the room, and the air filter (17) can be reliably cleaned.

According to the fourth solution, when the filter brush (40) moves, the pinion (42) moves along the support rail (50). Therefore, by moving the filter brush (40), the pinion (42) is moved.
Can be rotated. As a result, the rotating brush (41) can be rotated without separately providing a power source such as a motor.

According to the fifth solution, the suspended matter received by the brush cover (43) is removed together with the air sucked from the suction port (45) of the brush cover (43).
(43) can be discharged outside. Therefore, the air filter (1) is provided by the rotating brush (41) and the brush cover (43).
7) and brush cover (4
By connecting a vacuum cleaner or the like to the suction port (45) of (3) and sucking air, the suspended matter received by the brush cover (43) can be discharged to the outside of the brush cover (43). As a result, the suspended matter can be easily discharged from the brush cover (43), and the labor required for cleaning the air filter (17) can be surely reduced.

According to the sixth solution, the cleaning means (40) can be provided at a position where it is difficult to see from the outside of the indoor unit (1), and the appearance of the indoor unit (1) can be maintained well. can do.

Further, according to the seventh solution, the indoor unit (1) having the cleaning means (40) and easily cleaning the air filter (17) is formed as a ceiling-embedded type. be able to. In other words, in the indoor unit (1) of the ceiling-embedded type, where the removal of the air filter (17) was troublesome because it was installed in the ceiling, the air filter (17) was
The air filter (17) can be cleaned without removing the air filter (17).

[0030]

Embodiments of the present invention will be described below in detail with reference to the drawings.

The indoor unit (1) of the air conditioner of the present embodiment
As shown in FIG. 1, the heat exchanger (30) and the fan (20) are housed in a casing (10), and are configured as a ceiling embedded type. The indoor unit (1) is inserted into an installation opening (71) opening in the ceiling plate (70), and is suspended and fixed from above by a suspension fitting (not shown) attached to the casing (10). Have been.

The casing (10) comprises a container-shaped main casing (11) having an open bottom, and a main casing (1).
1) and a panel (14) covering the bottom surface. The main casing (11) includes a top plate (12) formed in a shape in which four corners of a square are cut out, and a side plate (13) extending downward from an outer edge of the top plate (12), and has a container shape. Is formed. On the other hand, the panel (14) is formed in a substantially square plate shape, and has a suction opening (15) located at the center and opening in a square shape, and a suction opening in the vicinity of the suction opening (15).
Four air outlets (16) are formed on the outside of the air inlet (15) and open in a rectangular shape on four sides of the air inlet (15). The panel (14) is provided with an air filter (17) for removing floating substances such as dust contained in the room air over the entire surface of the suction port (15). And
The panel (14) is attached to the bottom surface of the main casing (11), while the inside of the main casing (11) is connected to an air passage (18) communicating from the suction port (15) to the outlet (16). Is formed.

The panel (14) has a filter brush (40) constituting a cleaning means and a pair of support rails (5).
0).

As shown in FIG. 2, the filter brush (40) includes a rotating brush (41) as a separating member and a brush cover (43) as a cover member.

The rotating brush (41) is connected to the panel (14)
The suction port (15) is formed into a cylindrical shape having a length corresponding to the length of one side, and is rotatably attached to the brush cover (43). Also, the rotating brush (41)
Pinions (42) coaxial with the rotating brush (41)
Is provided. The pinion (42) has a brush cover
It is provided in a posture protruding from the side of (43).

The brush cover (43) is formed in a container shape having an open upper surface, and is provided so as to cover the rotary brush (41) from below over the entire length of the rotary brush (41). Further, the brush cover (43) has a trapezoidal shape as viewed from the side, and is formed in such a shape that the width becomes narrower downward. Further, a protrusion (44) of a predetermined height is formed at the bottom of the brush cover (43) so as to protrude below the brush cover (43). The protrusion (44) has a suction opening that opens at the tip of the protrusion (44) and communicates with the inside of the brush cover (43).
(45) is formed. And, as shown in FIG.
The suction port (45) is configured such that by inserting a suction nozzle (60) of a vacuum cleaner and sucking air, it is possible to discharge floating substances such as dust in the brush cover (43) together with the sucked air. ing.

On the other hand, the support rail (50) is formed in a rack shape with teeth cut on the upper surface, and the panel (1)
4) The suction port (15) is formed to have a length corresponding to the length of one side. The support rails (50) are located below the air filter (17) and on both sides of the suction port (15) (in FIG. 1, the near side and the far side with respect to the plane of FIG. 1). It is provided in a parallel posture.

The filter brush (40) is a rotary brush
(41) Pinions (42) at both ends and a pair of support rails (50)
Are provided so as to engage with each other. In this state, the filter brush (40) is supported by the support rail (50) and provided inside the casing (10). Further, the filter brush (40) is provided to move along the support rail (50), that is, to move along the air filter (17). Also, the rotating brush of the filter brush (40)
(41) and the air filter (17) are arranged so as to be in contact with each other. Further, since the pinion (42) of the filter brush (40) and the support rail (50) are engaged in the rotating brush (41), the filter brush (40) is supported on the support rail (5).
When it is moved along 0), it is configured to rotate in accordance with the movement of the filter brush (40).

In addition, the rotary brush (41) is configured to remove suspended matters such as dust collected by the air filter (17) from the air filter (17). on the other hand,
The filter cover is configured to receive the suspended matter removed from the air filter (17) and prevent the suspended matter from scattering.

When the filter brush (40) is not used, the casing (10) is provided with the suction port (15) of the panel (14).
(The left end or the right end of the suction port (15) in FIG. 1). Therefore, the filter brush (40) is moved from the suction port (15) to the casing (10).
Does not obstruct the flow of air sucked into.

As described above, the casing (1) of the indoor unit (1)
In (0), a heat exchanger (30) and a fan (20) are housed.

The fan (20) is a so-called turbo fan in which a blade (23) is held between a shroud (21) and a hub (22). Further, the fan (2
The hub (22) of (0) has a drive shaft (26) for the fan motor (25).
Is inserted and fixed. The fan (20) is provided at a central portion inside the main body casing (11), while the fan motor (25) is mounted on the top plate (12) of the main body casing (11). 12) It is attached from the bottom side. The fan (20) is rotatably driven by a fan motor (25), sucks air from a suction port (24) opened at the center of the shroud (21), and transfers the sucked air to the side of the fan (20). It is configured to blow out toward. Below the fan (20), there is provided a bell mouth (27) for guiding the room air flowing into the air passage (18) from the suction port (15) to the fan (20).

The heat exchanger (30) includes a plurality of plate-like fins (31) provided in parallel with each other, and the fins (3).
1) and a heat transfer tube (32) provided therethrough. The heat exchanger (30) is formed in a tubular shape having a rectangular shape in a plan view, and has a casing surrounding the fan (20).
It is fixed to the body casing (11) of (10). Further, below the heat exchanger (30), a heat exchanger (30)
There is provided a drain pan (33) for receiving the drain water generated in step (1).

-Operation-The air-conditioning operation of the indoor unit (1) will be described.
The fan (20) is driven by the fan motor (25) to rotate, and draws room air from the suction port (15) into the casing (10). The indoor air sucked into the casing (10) is subjected to an air filter (17) to remove suspended matters such as dust from the indoor air. This room air flows through the air passage (18), through the bell mouth (27), and through the inlet (24) of the fan (20).
From the fan (20), and then into the fan (20).
It blows out to the side of 0). The room air blown from the fan (20) flows to the heat exchanger (30). on the other hand,
The refrigerant of the refrigeration circuit flows through the heat exchanger (30).
Then, in the heat exchanger (30), during the cooling operation,
The refrigerant exchanges heat with room air and evaporates, and cools the room air to generate low-temperature conditioned air. In the heating operation, the refrigerant exchanges heat with indoor air to condense, and heats the indoor air to generate high-temperature conditioned air. This heat exchanger (30)
The conditioned air generated in the above flows through the air passage (18),
It is blown into the room again from the outlet (16).

-Cleaning operation of air filter (17)-When the above-described air conditioning operation is performed for a predetermined time, suspended matter such as dust in the air accumulates in the air filter (17), and the air filter (17) is cleaned. ) Causes clogging. Therefore, the air filter (17) is cleaned as follows.

First, as shown in FIG.
Insert the suction nozzle (60) of the vacuum cleaner into the suction port (45) of (40). Then, at the same time as suctioning air by the vacuum cleaner, the suction nozzle (60) is moved in the horizontal direction (the left-right direction in FIG. 3) with the suction nozzle (60) inserted in the suction port (45). Thereby, the filter brush (40) moves along the air filter (17). In FIG. 3, the main body casing (11) is omitted.

On the other hand, when the filter brush (40) moves, the rotating brush (41) rotates. This rotating brush (41)
Is in contact with the air filter (17). Therefore, the rotating brush (41) rotates while contacting the air filter (17),
The suspended matter collected by the air filter (17) is removed from the air filter (17) by the rotating brush (41). Further, since the filter brush (40) moves along the air filter (17), the suspended matter is removed from the air filter (17) over the entire air filter (17).

The suspended matter separated from the air filter (17) by the rotating brush (41) is received by a brush cover (43). Therefore, the floating material is a brush cover
It does not fly outside of (43). Further, air is sucked from the suction port (45) of the brush cover (43) by the vacuum cleaner. Therefore, the suspended matter received by the brush cover (43) flows together with the sucked air, and is discharged from the suction port (45) to the outside of the brush cover (43).

As described above, the air filter (17) can be removed without removing the air filter (17) from the indoor unit (1).
Cleaning is performed. Since the filter brush (40) has only two ends supported by the support rail (50), the filter brush (40) can be easily attached to and detached from the indoor unit (1). Therefore, it is possible to remove the filter brush (40) from the indoor unit (1) for cleaning.
Further, it is also possible to remove the air filter (17) from the indoor unit (1) for cleaning as in the past.

According to the indoor unit (1) of this embodiment, the air filter (17) is moved from the indoor unit (1) by moving the filter brush (40). The air filter (17) can be cleaned without removing it. Further, the air filter (17) can be cleaned by moving the filter brush (40) by moving the suction nozzle (60) of the vacuum cleaner inserted into the suction port (45) of the filter brush (40). . For this reason, the air filter (17) is removed from the indoor unit (1) even in the indoor unit (1) of the ceiling embedded type where removal of the air filter (17) was troublesome because it was installed embedded in the ceiling The air filter (17) can be cleaned without the need for cleaning. In addition, the suction nozzle (6
By using (0), the filter brush (40) can be moved without climbing a stepladder or the like. As a result,
The labor required for cleaning the air filter (17) can be reliably reduced.

The rotating brush (41) and the air filter (17) are brought into contact with each other to ensure that the suspended matter trapped in the air filter (17) is separated from the air filter (17). it can. On the other hand, the suspended matter separated from the air filter (17) can be received by the brush cover (43) covering the lower part of the rotating brush (41). As a result,
The suspended matter trapped in the air filter (17) can be separated from the air filter (17) without being scattered into a room or the like, and the air filter (17) can be reliably cleaned.

Since the pinion (42) of the rotating brush (41) is engaged with the support rail (50), the rotating brush (41) can also be rotated by moving the filter brush (40). As a result, the rotating brush (41) can be rotated without separately providing a power source such as a motor.

Further, a suction nozzle (60) or the like of a vacuum cleaner is inserted into a suction port (45) of the brush cover (43), and the suction port (15) is inserted.
The air is sucked from. For this reason, the suspended matter received by the brush cover (43) is transferred to the brush cover (4) together with the air sucked from the suction port (45) of the brush cover (43).
3) can be discharged outside. As a result, the air filter (17) can be reliably cleaned.

The filter brush (40) is connected to the indoor unit (1).
It is arranged inside the casing (10).
Therefore, the filter brush (40) can be provided at a position where it is difficult to see from the outside of the indoor unit (1), and the appearance of the indoor unit (1) can be maintained well.

-Modification of Embodiment- In the above embodiment, one rotary brush (41) is provided for the filter brush (40). However, as shown in FIG. 41) may be provided two or more.

The filter brush (40) is provided with a rotating brush (41) which rotates.
A fixed brush provided so as to come into contact with (17) may be provided.

[0057]

Other Embodiments of the Invention The present invention is directed to a so-called ceiling-mounted four-way-blow type indoor unit (1) which comprises a turbofan and blows out conditioned air in four directions. However, the type of the indoor unit (1) is not limited to this type. For example, a sirocco fan that blows out conditioned air in two directions
A side-blowing type indoor unit may be configured, or a ceiling-hanging indoor unit that is suspended from the ceiling and installed.

[Brief description of the drawings]

FIG. 1 is a schematic sectional view of an indoor unit of an air conditioner according to an embodiment.

FIG. 2 is a perspective view of a filter brush according to the embodiment.

FIG. 3 is a perspective view from below of the indoor unit, showing a state in which the air filter is cleaned by the filter brush according to the embodiment.

FIG. 4 is a perspective view of a filter brush according to a modification of the embodiment.

[Explanation of symbols]

 (10) Casing (15) Suction port (16) Air outlet (17) Air filter (18) Air passage (20) Fan (30) Heat exchanger (40) Filter brush (cleaning means) (41) Rotating brush (separate (42) Pinion (43) Brush cover (cover member) (45) Suction port (50) Support rail

Claims (7)

[Claims] A casing (1) having an inlet (15) and an outlet (16) formed therein and having an air passage (18) communicating from the inlet (15) to the outlet (16). 10), a heat exchanger (30) and a fan (20) provided in the air passage (18), and the heat exchanger (30) and the fan (20) are provided over the entire surface of the suction port (15) and flow through the suction port (15). An air filter (17) that collects suspended matter contained in indoor air, and the indoor unit of an air conditioner that performs indoor air conditioning, wherein the suction port (15) is open at the bottom of the casing (10). The air filter (17) is located at the suction port (15) and is provided in a substantially horizontal posture, while moving along the air filter (17), and the air filter (17) collects the floating air. An indoor unit for an air conditioner, comprising a cleaning means (40) for removing an object from an air filter (17). 2. The indoor unit of an air conditioner according to claim 1, wherein the cleaning means (40) includes a separating member (40) for separating suspended matter collected by the air filter (17) from the air filter (17). 41)
And a cover member (4) that receives the suspended matter separated from the air filter (17) by the separation member (41) and prevents the suspended matter from falling.
3) An indoor unit of an air conditioner, comprising: 3. The rotary unit (41) according to claim 2, wherein the separating member (41) is formed in a cylindrical shape, and rotates to separate suspended matter from the air filter (17). The cover member (43) is a brush cover (43) that is formed in a container shape with an open upper surface, and is provided so as to cover the rotating brush (41) from below over the entire length. Indoor unit of air conditioner. 4. The indoor unit of an air conditioner according to claim 3, wherein the cleaning means (40) includes a rotating brush (41) and a brush cover (4).
3) and a filter brush (40) composed of a pinion (42) provided coaxially with the rotating brush (41) at the end of the rotating brush (41). The filter brush (4) is arranged in parallel with the filter (17) and engages with the pinion (42).
An indoor unit for an air conditioner, comprising a rack-shaped support rail (50) on which a rotating brush (41) rotates according to the movement of (0). 5. The indoor unit of an air conditioner according to claim 3, wherein the brush cover (43) of the cleaning means (40) has a suction port (40) for sucking suspended matter in the brush cover (43). 45) An indoor unit of an air conditioner, wherein the indoor unit is formed. 6. The indoor unit of an air conditioner according to claim 1, wherein the cleaning means (40) is disposed inside the casing (10). 7. The indoor unit of an air conditioner according to claim 1, wherein the outlet (16) is a suction port on a bottom surface of the casing (10).
(15), the fan (20) is configured to blow the air sucked from the lower surface to the side, and the heat exchanger (30) is configured to surround the fan (20) on all sides. An air conditioner indoor unit, wherein the air blown from the fan (20) is provided so as to penetrate from inside to outside.