KR100505259B1 - An indoor unit of air conditioner - Google Patents

Abstract

The present invention relates to an indoor unit of an air conditioner capable of more efficient three-dimensional cooling / heating while minimizing suction noise since air in the room is sucked to three sides and heat-exchanged and then discharged to three sides. A cabinet disposed above the base; It is disposed in front of the cabinet, the front air inlet is formed between the front portion of the base, and the left and right air inlet is formed in the lower side of both sides, the upper surface air discharge port is formed on the upper surface and left, right on the upper both sides A front panel on which an air discharge port is formed; A blower configured to suck air through the air inlet and to discharge air through the air outlet; It characterized in that it comprises a heat exchanger for heat-exchanging the air blown by the blower with the refrigerant.

Description

Indoor unit of air conditioner

The present invention relates to an indoor unit of an air conditioner, and more particularly, to an indoor unit of an air conditioner that inhales air to three sides and discharges heat exchanged or purified air to three sides.

In general, an air conditioner is used to cool or heat a room or purify the air by using a refrigeration cycle of a refrigerant consisting of a compressor, a condenser, an expansion mechanism, and an evaporator to create a more comfortable indoor environment for a user. .

The separate type and the integrated type are functionally the same, but the separate type connects the indoor unit and the outdoor unit separated by the refrigerant pipes by installing the cooling / heating unit in the indoor unit and the heat radiating / cooling and compression unit in the outdoor unit, and the integrated type by cooling heat dissipation. Integrate the function of the hole in the wall of the house or hang the device on the window is installed directly.

Recently, in consideration of three-dimensional cooling and heating, there is a trend of forming an air discharge port through which air is discharged to the side or the top of the indoor unit.

11 to 14, the indoor unit of the conventional split type air conditioner, the base 1, the cabinet (2) is arranged in the longitudinal direction above the base 1 and the front is open, It is coupled to the front surface of the cabinet (2), the front air discharge port (4a) and the upper side of the side air discharge port (4b, 4c) is formed on both sides, the front surface of the air inlet (4d, 4e) formed on both sides And a panel 4, a blower 20 disposed below the cabinet 2 and the front panel 4, and a heat exchanger 30 disposed above the blower 20.

On the other hand, the front panel 4 is provided with a vertical drive panel 10 in the front of the front panel 4 so as to open and close the opening and closing the front air discharge port (4a), the vertical drive panel 10 In order to eliminate the step between the front panel 4 and the up and down drive panel 10 at the time of rising, the front and rear drive panel 12 is installed on the front of the front panel 4 to be retracted, and the side air outlet 4b The left and right vanes 14 and 16 are rotatable on both sides of the front panel 4 so as to control the wind direction of the air discharged through the side air discharge ports 4b and 4c and to open and close the 4c. Is mounted.

The front panel 4 is formed such that both sides are inclined and the front upper panel 5 having the front air outlets 4a and side air outlets 4b and 4c, the lower center of the front upper panel 5, and the base. It is comprised between the front lower panel 6 arrange | positioned between (1) and the said air inlet 4d, 4e between the lower part of both sides of the said cabinet 2, The side of the said front lower panel 6 Between the stage and the lower part of the cabinet 2, left and right suction grills 7 and 8 for protecting the suction ports 4d and 4e are mounted to be opened and closed.

An air filter 9 is mounted on the rear of each of the left and right suction grills 7 and 8 so that foreign matters in the air passing through the air inlets 4d and 4e can be filtered.

In addition, the front panel 4 has a lifting mechanism composed of a motor and a gear for elevating the vertical drive panel 10, a retraction mechanism composed of a motor, a gear, etc. for advancing the front and rear drive panel 12, A rotating mechanism composed of a motor or the like for rotating each of the left and right vanes 14 and 16 is mounted.

Meanwhile, left and right electrostatic precipitators 21 and 22 are disposed on both front sides of the front side of the blower 20 to ionize and collect foreign substances in the air passing through the left and right suction grills and air filters.

When the indoor unit of the conventional air conditioner configured as described above is driven by the blower 20, the indoor air is sucked into the indoor unit through the left and right suction grills 7 and 8 and the air filter 9, Foreign materials such as dust are ionized and collected while passing through the left and right electrostatic precipitators 21 and 22, and blown to the heat exchanger 30 by the blower 20.

The air blown by the heat exchanger 30 is cooled / heated by heat exchange with a refrigerant and then discharged back into the room through the front air outlet 4a, the left air outlet 4b, and the right air outlet 4c. Cool / heat up.

However, since the indoor unit of the air conditioner according to the prior art is sucked into two sides and discharged to three sides, the suction noise is high, and the upper portion of the heat exchanger 30 is visible behind the front air outlet 4a. Due to the poor appearance, the structure of the front panel 4 is complicated by the vertical drive panel 12 and the front and rear drive panel 12 for opening and closing the front air outlet 4a, and the color of the front panel 4 is complicated. There is a problem that the change is not easy.

In addition, when the air filter 9 is cleaned or replaced, the left and right suction grills 7 and 8 should be opened and the air filter 9 should be separated from the rear of the left and right suction grills 7, 8. Frequently opening and closing the left and right suction grill (7.8) there is a problem that the connection is easy to break.

The present invention has been made in order to solve the above problems of the prior art, since the air in the room is sucked to three sides and heat-exchanged and then discharged to three sides, air conditioning that enables more efficient three-dimensional cooling / heating while minimizing suction noise The purpose is to provide a indoor unit of the machine.

Further, another object of the present invention is to facilitate the color change of the front side of the indoor unit of the air conditioner.

In addition, another object of the present invention is that the air purifier is easily removable.

An indoor unit of the air conditioner according to the present invention for solving the above problems; A cabinet disposed above the base; It is disposed in front of the cabinet, the front air inlet is formed between the front portion of the base, and the left and right air inlet is formed in the lower side of both sides, the upper surface air discharge port is formed on the upper surface and left, right on the upper both sides A front panel on which an air discharge port is formed; A blower configured to suck air through the air inlet and to discharge air through the air outlet; It characterized in that it comprises a heat exchanger for heat-exchanging the air blown by the blower with the refrigerant.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of a sealed air inlet and an air outlet of an indoor unit of an embodiment of an air conditioner according to the present invention, and FIG. 2 is a front view of an air inlet and air discharge port of an indoor unit of an embodiment of an air conditioner according to the present invention. 3 is a perspective view of an air inlet and an air outlet of an indoor unit of an embodiment of an air conditioner according to the present invention, and FIG. 4 is an air inlet and an air outlet of an indoor unit of an embodiment of an air conditioner according to the present invention. 5 is an exploded perspective view of an embodiment of an indoor unit of an air conditioner according to the present invention.

1 to 5 of the indoor unit of the air conditioner according to the present invention, the air inlet (70a, 70b, 70c) is formed in the center, left, right of the lower front side, respectively, the upper surface and the front surface Air discharge ports 72a, 72b, and 72c are formed at the left, right, and right sides, respectively, to inhale air to three surfaces and to discharge air to three surfaces.

That is, one embodiment of an indoor unit of the air conditioner includes a base 50, a cabinet 60 disposed above the base 50, a front side of the cabinet 60, and a front surface of the base 50. The front air inlet 70a is formed between the parts, and the left and right air inlets 70b and 70c are formed at both lower sides, and the upper air outlet 72a is formed at the upper surface, and the left and right sides are upper and lower sides. And a front panel 70 in which air discharge ports 72b and 72c are formed.

The base 50 is formed to be recessed rearward so that a part of the front part thereof is spaced apart from the lower end of the front panel 70 so that the front air inlet 70a is disposed between the front panel 70 and the lower end. Form.

In addition, the base 50 is preferably formed in the rear air intake port (50a) horizontally or vertically in both side portions and the rear portion of the rear portion, in this case the indoor air is the front air intake port (70a) and the rear air Through the inlet port 50a, the left air inlet port 70b, and the right air inlet port 70c, the inlet port 50a can be sucked in a total of six directions, thereby allowing the room to be cooled or heated more quickly.

The cabinet 60 has a front surface open to form a ventilation flow path between the front panel 70, an upper surface portion is formed orthogonal to the rear portion, and both side portions are formed orthogonal to the rear portion, or are inclined.

The front panel 70 has a rear surface open to form a ventilation flow path between the cabinet 60, an upper surface portion is formed orthogonal to the front portion, and both side portions are formed orthogonal to the front portion or inclined. do.

On the other hand, the indoor unit of the air conditioner according to one embodiment sucks the air through the air inlets 70a, 70b, 70c and then discharges the air through the air outlets 72a, 72b, 72c. Blower 80 disposed between the lower portion of the lower portion and the lower portion of the front panel 70, and a heat exchanger disposed above the blower 80 to heat exchange the air blown by the blower 80 with the refrigerant ( 90) further.

The blower 80 is mounted to the lower portion of the cabinet 60 and the rotating shaft is disposed so as to protrude forward, the blowing fan arranged on the rotating shaft of the blowing motor, and surrounds the blowing fan A discharge hole is formed in the upper surface, and a fan housing having an open front surface, and an orifice mounted on the front surface of the fan housing to guide the intake of air.

The heat exchanger 90 is composed of a refrigerant pipe through which the refrigerant passes and a plurality of fins mounted on the refrigerant pipe, and a refrigerant pipe 91 for guiding the evaporated or condensed refrigerant to the outdoor unit while exchanging heat with air is connected. .

A drain pan 92 is disposed below the heat exchanger 90 to receive condensate generated and dropped on the surface of the heat exchanger 90, and one side of the drain pan 92 collects the collected condensate air. A drain hose 93 for draining out of the indoor unit of the conditioner is connected.

In addition, the indoor unit of the air conditioner further comprises an air purifier (100) disposed between the air inlets (70a, 70b, 70c) and the blower 80 of the front panel 70, the front The panel 70 has a purifier insertion hole formed therein so that the air purifier 100 may be inserted therein.

Hereinafter, the air purifier 100 and the purifier inserting holes of the front panel 70 will be described in more detail.

As shown in FIG. 5, the air purifier 100 is disposed on both front sides of the front part of the blower 80 and the HEPA filter 102 disposed below the front part of the front panel 70. A lower filter insertion hole is formed of left and right air filters 103 and 104, and the purifier inserting hole of the front panel 70 is formed so that the HEPA filter 102 can be inserted back and forth under the front part of the front panel. 112, and the left and right filter insertion holes 113 and 114 formed so that the left and right air filters 103 and 104 can be inserted back and forth.

In addition, the air purifier 100 may further include left and right electrostatic precipitators 105 and 106 disposed next to the left and right air filters 103 and 104.

Here, the left and right electrostatic precipitators 105 and 106 are preferably fixedly mounted on both front sides of the front of the blower 80.

Meanwhile, the left and right electrostatic precipitators 105 and 106 may be mounted in a front and rear manner through the front panel 70 such as the HEPA filter 102 and the left and right air filters 103 and 104. In this case, The front panel 70 preferably further includes left and right dust collector insertion holes next to the left and right filter insertion holes 112 and 114.

On the other hand, at least one of the front panel 70 and the blower 80 is provided with a guide bracket for guiding the front and rear insertion of the purification device 100 and supporting the inserted purification device 100, or It is preferable that a fixing bracket or the like to which the purification apparatus 100 is fixed is provided.

The indoor unit of the air conditioner further includes a door 120 rotatably connected to the front panel 70 to open and close the front of the front panel 70.

6 is a perspective view of a case in which the front surface of the front panel according to the present invention is opened and the air purifier is drawn out of the front panel.

As illustrated in FIG. 6, the door 120 opens the front surface of the front panel 70 when the purifier 100 is detached through the purifier insertion hole, and the purifier 100 and the purifier are opened. Covering the front of the front panel 70 so that the insertion hole is not exposed to the outside of the indoor unit, either one of the left and right sides is connected to the front panel 70 by a hinge 124a, the other side is the front panel ( The closed state is preferably maintained at 70 by magnets 124b and 124c or locking means 124d and 124e.

And, the door 120 is made of a plurality of panels overlapping back and forth in a double or triple, the front panel of the plurality of panels has a color, the front panel of the front panel of the indoor unit when the replacement is made, You can change the color in various ways.

On the other hand, the door 120 has a transparent panel disposed at the foremost side, a rear panel having a color disposed at the rear of the transparent panel, and even when the rear panel is replaceable, the color of the front side of the indoor unit varies. Can be changed.

In addition, the door 120 has a display 122 disposed on one side of the door 120 to display whether the indoor unit, which is operation information of the air conditioner, and a desired temperature.

Meanwhile, as shown in FIGS. 1 to 5, the indoor unit of the air conditioner is rotatable to the base 50 to open and close the front air intake port 70a and guide the intake of air. A front discharge vane 74 connected to the top suction vane 74 and a top discharge vane 75 rotatably connected to an upper surface of the front panel 70 to open and close the upper air discharge port 72a and guide the discharge of air; A left vane 76 rotatably connected to the left side of the front panel 70 to open and close the left air inlet and the left air outlet and guide the intake / discharge of air; The right vane 77 is rotatably connected to the right side of the front panel 70 to open and close the right air inlet and guide the intake / exhaust of air.

7 is a cross-sectional view when the front air intake opening according to the present invention is opened.

As shown in FIG. 7, the indoor unit of the separate air conditioner further includes a front vane rotating means 130 for rotating the front suction vane 74.

The front suction vane 74 has the same shape as the front side of the front air inlet 70a so as to seal the front air inlet 70a, and is slightly smaller than the front side of the front air inlet 70a. It consists of a guide portion 74a having a size, and left and right support portions 74d and 74e which protrude perpendicularly to both sides of one surface of the guide portion 74a and have rotation shafts 74b and 74c, respectively.

The rotary shaft 74b of one of the left and right support portions 74d and 74e is rotatably inserted into the support groove portion 50b formed in the base 50, and the left and right support portions 74d and 74e are rotated. In the rotary shaft 74c of the other 74e of the () is formed a connecting groove portion 74f for connecting the front vane rotating means 130.

The front vane rotating means 130 is a lower motor mounted to the base 50, and the lower motor is provided with a shaft 142 inserted into and fixed to the connection groove 74f to protrude.

8 is a cross-sectional view when the upper air discharge port according to the present invention is opened.

As shown in FIG. 8, the indoor unit of the separate air conditioner further includes an upper vane rotating unit 140 for rotating the upper discharge vane 75.

The upper surface discharge vane 75 has the same shape as the upper surface air discharge port 72a so as to seal the upper surface air discharge port 72a, and has a guide portion slightly smaller than the upper surface air discharge port 72a. 75a) and left and right support portions 75d and 75e which protrude perpendicularly to both sides of one surface of the guide portion 75a and have rotary shafts 75b and 75c, respectively.

The rotary shaft 75b of any one of the left and right support portions 75d and 75e 75d is rotatably inserted into the support groove 71 formed in the upper surface of the front panel 70, and the left and right support portions are rotated. A connecting groove 75f for connecting the upper vane rotating means 140 is formed in the rotation shaft 75c of the other 75e of 75d and 75e.

The upper vane rotating means 140 is an upper motor mounted on an upper surface of the front panel 70, and the upper motor is provided with a shaft 142 inserted into and fixed to the connection groove 75f.

9 is a cross-sectional view when the left air inlet and left air outlet according to the present invention are opened.

As shown in FIG. 9, the indoor unit of the separate air conditioner further includes a left vane rotating means 150 for rotating the left vane 76.

The left vane 76 has a vertical portion 76a disposed vertically long, an upper horizontal portion 76b disposed horizontally at an upper end of the vertical portion 76a, and a horizontal portion at a lower end of the vertical portion 76a. It consists of a lower horizontal portion (76c) to be arranged.

The vertical portion 76a is preferably provided with a plurality of spaced apart to prevent the shaking during the rotation and to protect the interior of the left air inlet 70b and the left air outlet 72b, the upper horizontal portion Arranged between both ends of the 76b and the lower horizontal portion 76c, the air sucked in / out is guided along the side surfaces of each of the vertical portions 76a.

An upper rotating shaft 76d protrudes from the upper horizontal portion 76b to rotatably support the left vane 76, and a protrusion formed at an upper left side of the upper surface portion of the front panel 70 at the upper rotating shaft 76d. A support groove 76e is formed to allow the 7373 to be rotatably supported, and an upper portion of the left vane 76 is rotatably supported by the upper rotating shaft 76d and the protrusion 73a.

A lower rotating shaft 76f to which the left rotating means 150 is connected protrudes to the lower horizontal portion 76c, and the left rotating means 150 to the lower rotating shaft 76f. ) Is formed with a connecting groove portion 76g.

On the other hand, the left pivot means 150 is composed of a left motor mounted on the left inner surface of the base 50 or the front panel 70, the left motor is connected to the connection groove portion 76g of the lower rotary shaft 76f. The shaft 152 inserted and fixed is provided to protrude upward.

Reference numeral 73b is a left partition portion formed in the center of the left surface portion of the front panel 70 to partition the left air intake port 70b and the left air discharge port 72b.

10 is a cross-sectional view when the right air inlet and the right air outlet according to the present invention are opened.

As shown in FIG. 10, the indoor unit of the separate air conditioner further includes a right vane rotating means 160 for rotating the right vane 77.

The right vane 77 has a vertical portion 77a disposed vertically long, an upper horizontal portion 77b disposed horizontally at the upper end of the vertical portion 77a, and a horizontal portion at the lower end of the vertical portion 77a. It consists of a lower horizontal portion (77c) is arranged.

The vertical portion 77a is preferably provided with a plurality of spaced apart to prevent the shaking during the rotation and to protect the inside of the right air inlet 70c and the right air outlet 72c, the upper horizontal portion Arranged between both ends of the 77b and the lower horizontal portion 77c, the air sucked in / out is guided along each side of the vertical portion 77a.

An upper rotating shaft 77d protrudes from the upper horizontal portion 77b to rotatably support the right vane 77, and a protrusion formed at the left side of the upper surface of the front panel 70 at the upper rotating shaft 77d. A support groove 77e is formed to allow the 73c to be rotatably supported, and an upper portion of the right vane 77 is rotatably supported by the upper rotary shaft 77d and the protrusion 73c.

A lower rotating shaft 77f to which the right rotating means 160 is connected protrudes to the lower horizontal portion 77c, and the right rotating means 160 to the lower rotating shaft 77f. ) Is formed with a connecting groove 77g for connecting.

On the other hand, the right rotation means 160 is composed of a right motor mounted on the right inner surface of the base 50 or the front panel 70, the right motor is connected to the connection groove 77g of the lower rotary shaft 77f The shaft 162 inserted and fixed is provided to protrude upward.

Reference numeral 73d is a left partition portion formed in the center of the left surface portion of the front panel 70 to partition the left air intake port 70c and the left air discharge port 72c.

Looking at the operation of the present invention configured as described above are as follows.

First, when the indoor unit of the air conditioner receives an operation command such as cooling / heating / purifying through a driving operation unit (not shown), the lower motor 130, the upper motor 140, and the left motor 150 are located. The right motor 160 rotates the front inlet vane 74, the top discharge vane 75, the left vane 76, and the right vane 77 connected to each of the front air inlet 70a and the top air outlet ( 72a), the left air inlet 70b, the left air outlet 72b, the right air inlet 70c, and the right air outlet 72c are opened.

Meanwhile, the indoor unit of the air conditioner drives the blower 80 with the front / left / right air inlets 70a, 70b and 70c and the top / left / right air outlets 72a, 72b and 72c open. In addition, the compressor mounted on the outdoor unit (not shown) and the left and right electrostatic precipitators 105 and 106 are driven in response to an operation command such as cooling / heating / purifying.

Indoor air is sucked into the indoor unit through three surfaces of the front / left / right air inlets 70a, 70b, and 70c by driving the blower 80.

The air sucked through the front air inlet 70a is dehumidified and purified while passing through the HEPA filter 102, and the air sucked through the left air inlet 70b passes through the left air filter 103. After the foreign matter is filtered, foreign matters such as dust are ionized and collected while passing through the left electric dust collector 105, and the air sucked through the right air inlet 70c passes through the right air filter 104 to filter the foreign matter. Then, while passing through the right electric dust collector 106, foreign substances such as dust are ionized and collected.

Meanwhile, the purified air is blown to the heat exchanger 90 through the inside of the blower 80, and the air blown to the heat exchanger 90 is cooled / heated by heat exchange with a refrigerant, and then Are dispersed in the direction.

That is, some of the air heated by the heat exchanger 90 is discharged to the upper direction of the indoor unit through the upper surface air discharge port 72a, and the remaining of the heated air is the left air discharge port 72b and the right air. The air is discharged to the front or the left and right of the indoor unit through the discharge port 72c, and the air thus distributed and discharged cools / heats the room in three dimensions.

At this time, since the indoor unit of the air conditioner can suck air to three sides to increase the air suction amount, the suction noise is minimized, and the air discharge ports 72a, 72b, and 72c are not formed on the front surface of the front panel 70. Without being formed on both sides and the upper surface, the front side appearance of the air conditioner indoor unit is improved.

On the other hand, when foreign matter is accumulated in the HEPA filter 102 and the left and right air filters 103 and 104 due to the long time use of the indoor unit of the air conditioner as described above, the user may open the door 120 at the front of the front panel 70. The door 120 is rotated to be opened, and the HEPA filter 102 and the left and right air filters 103 and 104 are drawn out to the front of the front panel 70.

Then, the cleaned or new HEPA filter 102 and the left and right air filters 103 and 104 are inserted back and forth into the lower filter insertion holes 112 and the left and right filter insertion holes 113 and 114 of the front panel 70 to air. It is arranged between the inlets 70a, 70b, 70c and the blower 80, and the door 120 rotates the door 120 to seal the front surface of the front panel 70.

In addition, when a user of the air conditioner indoor unit is used for a long time, when the user replaces the existing color panel mounted on the door 120 with a new color panel, the air conditioner indoor unit is easily changed in front color. .

Since the indoor unit of the air conditioner according to the present invention configured as described above sucks air to three sides and heats them and then discharges them to three sides, intake noise is minimized, and more efficient three-dimensional cooling / cooling than inhaling air to two sides. There is an advantage that heating is possible.

In addition, the indoor unit of the air conditioner further comprises an air purifier disposed between the air inlet and the blower, and a door for opening and closing the front of the front panel, the front panel is inserted into the air purifier is installed Since a purifier inserting hole is formed to allow the air purifier to be easily attached and detached, there is an advantage of easy cleaning and replacement thereof.

In addition, replacing the color panel of the door has the advantage that the color of the front side of the air conditioner indoor unit can be easily and easily changed.

1 is a perspective view of a sealed air inlet and an air outlet of an indoor unit of an embodiment of an air conditioner according to the present invention;

2 is a front view in which an air inlet and an air outlet of an indoor unit of an air conditioner according to the present invention are sealed;

3 is a perspective view of an air inlet and an air outlet of an indoor unit of an embodiment of an air conditioner according to the present invention;

4 is a front view of an air inlet and an air outlet of an indoor unit of an embodiment of an air conditioner according to the present invention;

5 is an exploded perspective view of an embodiment of an indoor unit of an air conditioner according to the present invention;

6 is a perspective view of a case in which the front of the front panel is opened and the air purifier is drawn out of the front panel according to the present invention;

Figure 7 is a cross-sectional view when the front air intake opening in accordance with the present invention,

8 is a cross-sectional view when the upper air discharge port according to the present invention is opened,

9 is a cross-sectional view when the left air inlet and left air outlet according to the present invention are opened;

10 is a cross-sectional view when the right air inlet and the right air outlet according to the present invention are opened;

11 is a perspective view of a sealed air discharge port of the indoor unit of the air conditioner according to the prior art,

12 is a perspective view of the air discharge port of the air conditioner indoor unit according to the prior art opened;

13 is a front view of the air outlet of the indoor unit of the air conditioner according to the prior art is opened.

14 is an exploded perspective view of the air conditioner indoor unit according to the prior art.

<Explanation of symbols on main parts of the drawings>

50: base 60: cabinet

70: front panel 70a: front air inlet

70b: left air intake 70c: right air intake

72a: upper air outlet 72b: left air outlet

72c: right air outlet 74: front suction vane

75: top discharge vane 76: left vane

77: right vane 80: blower

90: heat exchanger 91: refrigerant piping

92: drain pan 93: drain hose

100: air purifier 102: hepa filter

103: left air filter 104: right air filter

105: left electric dust collector 106: right electric dust collector

112: lower filter insertion hole 113: left filter insertion hole

114: right filter insertion hole 120: door

122: display

Claims (6)

A base; A cabinet disposed above the base; It is disposed in front of the cabinet, the front air inlet is formed between the front portion of the base, and the left and right air inlet is formed in the lower side of both sides, the upper surface air discharge port is formed on the upper surface and left, right on the upper both sides A front panel on which an air discharge port is formed; A blower configured to suck air through the air inlet and to discharge air through the air outlet; An indoor unit of an air conditioner, characterized in that it comprises a heat exchanger for heat-exchanging the air blown by the blower with the refrigerant. The method of claim 1, The front air inlet of the indoor unit of the air conditioner, characterized in that the recessed portion formed in the rear so as to be spaced apart from the lower end of the front panel of the base portion. The method of claim 1, The front panel indoor unit of the air conditioner, characterized in that both sides are formed inclined with respect to the front. The method of claim 1, The front panel further comprises a left vane for opening and closing the left air inlet and the left air outlet, and a right vane for opening and closing the right air inlet and the right air outlet. The method of claim 1, The indoor unit of the air conditioner further comprises a door configured to open and close the front of the front panel. The method of claim 1, The base is an indoor unit of the air conditioner, characterized in that the rear air inlet is further formed.