KR20070078255A - Indoor unit of air conditioner - Google Patents

Abstract

An indoor unit of an air conditioner is provided to protect the inside of a side air inlet with simple structure and low cost by forming a side grill at the side air inlet. An indoor unit of an air conditioner includes a body(5), and a plurality of blowers. The body has an air outlet, and a side air inlet(3,4) on at least one side of the left or right side to be opened to left and right. The blowers are installed inside the body, suck air through the side air inlet, and discharge the air through the air outlet. The blowers include a main blower, and a sub blower installed beside the side air inlet to blow the air to left and right. The main blower includes an upper main blower installed at the inner upper part of the body, and a lower main blower(40) installed at the inner lower part of the body. The main blower includes cross flow fans(42,52) installed long at right and left sides inside of the body, and motors(44,54) with rotating axes for rotating the cross flow fans at right and left sides.

Description

Indoor unit of air conditioner

1 is a perspective view showing an embodiment of an indoor unit of an air conditioner according to the present invention;

Figure 2 is a longitudinal sectional view showing an embodiment of the indoor unit of the air conditioner according to the present invention,

Figure 3 is a front view showing the inside of the indoor unit one embodiment of the air conditioner according to the present invention,

Figure 4 is a perspective view of the indoor unit of the air conditioner according to the prior art,

5 is a longitudinal sectional view of an indoor unit of an air conditioner according to the prior art.

<Explanation of symbols on main parts of the drawings>

1: top air outlet 2: bottom air outlet

3: left air inlet 3a: left side grille

4: right air inlet 4a: right side grille

5: body 6: left filter

7: right filter 20: chassis

30: front frame 39: front panel

40: upper main blower 42: upper main cross flow fan

44: upper main motor 50: lower main blower

52: lower main cross flow fan 54: lower main motor

60: left sub blower 62: left sub motor

64: left sub axial flow fan 70: right sub blower

72: right sub motor 74: right sub axial flow fan

80: upper heat exchanger 90: lower heat exchanger

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 an indoor unit of an air conditioner in which an air conditioner is suctioned and air-conditioned to enhance the aesthetics of the front part.

In general, an air conditioner uses a refrigeration cycle of refrigerant consisting of a compressor, a four-way valve, an outdoor heat exchanger (condenser or evaporator), an expansion device, and an indoor heat exchanger (evaporator or condenser) to create a more comfortable indoor environment for the user. By cooling or heating, it is largely divided into a separate type and an integrated type.

The separation type and the integrated type are functionally the same, but the separation type has a cooling / heating device, an indoor fan and an indoor fan motor installed in the indoor unit, and a heat radiation / cooling device, a compression device, an outdoor fan and an outdoor fan motor installed in the outdoor unit. The indoor unit and the outdoor unit separated from each other are connected by a refrigerant pipe, and the integrated type is formed by integrating the function of cooling heat dissipation.

The detachable type is usually installed indoors indoors, hung on the wall or embedded in the ceiling, the integral type is installed by drilling a hole in the wall of the house or hanging the device on the window or placed in the outdoor and indoors and ducts Connected.

Figure 4 is a perspective view showing the indoor unit of the air conditioner according to the prior art, Figure 5 is a longitudinal sectional view showing the indoor unit of the air conditioner according to the prior art.

The indoor unit of the air conditioner according to the prior art, as shown in Figures 4 and 5, is coupled to the chassis 102, the front of the chassis 102 and the air inlet 104 and the suction grill 106 is formed A front grille 110, a front suction grille 112 rotatably connected to the front of the front grille 110, a blowing fan 116 disposed between the chassis 102 and the front grille 110; And a heat exchanger 118 disposed between the blowing fan 116, the air intake 104, and the suction grill 106.

The front grill 110 has a front air inlet 104 is formed on the front surface, the top suction grill 106 is integrally formed on the upper surface.

The front grill 110 is provided with an air filter 105 for filtering foreign matter in the air sucked into the front air inlet 104.

The front suction grille 112 protects the front air suction port 104 and the air filter 105, and an upper portion thereof is rotatably connected to an upper portion of the front grille 110.

A discharger having a condensate receiving part 119 receiving the condensed water dropped from the indoor heat exchanger 118 and an air outlet 120 formed between the chassis 102 and the lower portion of the front grill 110 ( 122) is mounted.

The heat exchanger 118 is bent inclined toward the top of the chassis 102 from the top of the vertical heat exchanger 118a disposed vertically behind the front portion of the front grill 110 and the vertical heat exchanger 118a. And the inclined heat exchanger 118b disposed under the upper surface of the front grill 110.

The dispenser 124 is provided with a stabilizer 124 for separating the suction flow path and the exhaust flow path of the blower fan 116.

The discharger 124 is configured to include a louver 130 for changing the left and right wind direction of the air discharged to the air discharge port 120, and a vane 140 for changing the up and down wind direction.

Referring to the operation of the conventional air conditioner configured as described above are as follows.

First, when the blower fan 116 is rotated, air in front of the front suction grille 112 passes through the front suction grille 112, and then the front air inlet 104 of the front grille 110 is opened. The foreign matter is filtered by the filter 105 while being passed through, and is sucked between the front grille 110 and the chassis 102.

In addition, the air above the front grill 110 passes through the upper suction grill 106 and is sucked between the front grill 110 and the chassis 102.

The indoor air sucked as described above is cooled or heated by the refrigerant while passing through the indoor heat exchanger 118, and then is introduced into the blower fan 116 and blown downward, and the louver 130 and the vane 140 The direction of the wind is controlled by the guide and is discharged into the room through the air discharge port 120.

However, since the indoor unit of the air conditioner according to the prior art, the air in the room is sucked through the front portion and the upper surface portion and the front suction grille 112 is disposed on the front surface and the upper surface suction grill 106 is formed on the upper surface, The top suction grille 106 and the front suction grille 112 of the front grille 110 have a problem that the front aesthetics of the indoor unit are not good because of the poor quality, and the design of the front side is not easy to change.

In addition, there is a problem that the dust is accumulated on the upper suction grill 106 or the front suction grill 112 of the front grill 110, and should be frequently cleaned.

The present invention has been made to solve the above-mentioned problems of the prior art, by providing an indoor unit of the air conditioner that is easy to change the appearance of the front part by inhaling the air in the room through the side portion and the front part is kept clean. There is this.

Another object of the present invention is to provide an indoor unit of an air conditioner capable of sucking enough air through the side portion and cooling / heating with a high air volume.

The indoor unit of the air conditioner according to the present invention for solving the above problems is the air discharge port is formed, the main body is formed so that the side air intake opening to the left and right sides of at least one of the left side and the right side; It is installed in the main body is characterized in that it comprises a plurality of blowers to suck the air through the side air intake port and discharge through the air discharge port.

The plurality of blowers may include a main blower; It is installed to be located next to the side air inlet, characterized in that configured to include a sub blower for blowing air in the left and right directions.

In addition, the main body is characterized in that the upper surface air discharge port is formed in the upper surface portion and the lower surface air discharge port is formed in the lower surface portion.

In addition, the main blower is characterized in that it comprises an upper main blower installed in the upper upper portion of the main body, and a lower main blower provided in the inner lower portion of the main body.

In addition, the main blower is characterized in that it comprises a motor having a rotating shaft disposed on the left and right, and a cross flow fan which is installed on the rotating shaft of the motor and arranged long left and right inside the main body.

In addition, the main body is characterized in that the left air inlet is formed in the left side portion and the right air inlet is formed in the right side portion.

The sub blower may include a left sub blower installed at a right side of the left air inlet and a right sub blower installed at a left side of the right air intake.

In addition, the sub blower is characterized in that it comprises a motor installed next to the side air inlet and the rotation shaft is disposed left and right, and an axial flow fan installed on the rotation shaft of the motor.

In addition, the main body is characterized in that the side grille is formed in the side air intake.

The main body may further include a chassis, a front frame coupled to the chassis, and a front panel installed at the front of the front frame.

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

1 is a perspective view showing an embodiment of an indoor unit of an air conditioner according to the present invention, Figure 2 is a longitudinal sectional view showing an embodiment of an indoor unit of the air conditioner according to the present invention.

As shown in FIGS. 1 and 2, the indoor unit of the air conditioner according to the present embodiment has air discharge ports 1 and 2 formed therein, and the side air intake port 3 is formed at at least one side of the left and right sides. (4) is configured to include a main body 5 formed to be open to the left and right.

The main body 5 forms the appearance of the indoor unit of the air conditioner, and may be made of a stand type standing on the floor of the room, or may be formed of a wall hanging type installed on the wall of the room, and is installed on the ceiling. Although it can also consist of a mold etc., it demonstrates only to what consists of a wall-mounted type below.

The main body 5 may have the air discharge ports 1 and 2 formed on at least one of an upper surface portion, a lower surface portion, and a front surface portion. Since the air discharge port is not formed in the front surface portion, the upper air discharge port 1 is formed in the upper surface portion, and the air discharge hole 2 is formed in the lower surface portion in order to induce the indirect wind.

In addition, the main body 5 may have a side air inlet formed only on one side of the left side and the right side, and side air inlets 3 and 4 may be formed on each of the left side and the right side. In the following description, the side air intakes 3 and 4 are formed on the left side and the right side, respectively.

That is, the main body 5 is formed in the upper surface air discharge port (1) is opened up and down, and the lower surface air discharge port (2) is formed in the upper and lower openings, the left side air inlet (3) ) Is formed to be open to the left and right, and the right air inlet 4 is formed to be opened to the right and left sides.

The main body 5 has a left side grille 3a formed at the left air inlet 3, and a right side grille 4a formed at the right side air intake 4.

The main body 5 is disposed to face the left air inlet 3 and is disposed to face the left air filter 4 to purify the air sucked through the left air inlet 4, and to the right air inlet 4. The right filter 7 is provided for purifying the air sucked in through the right air inlet 4.

 Meanwhile, as shown in FIGS. 1 and 2, the main body 1 includes a chassis 20, a front frame 30 disposed on the front surface of the chassis 10, and a front surface of the front frame 30. It is configured to include a front panel 39 disposed in.

The main body 1 may have an upper surface air discharge port 1 and a lower surface air discharge port 2 formed only in one of the upper and lower surfaces of any one of the chassis 20 and the front panel 30. The upper air discharge port 1 and the lower air discharge port 2 may be formed. Hereinafter, as shown in FIG. 1, the upper air discharge port 1 and the lower air discharge port 2 are formed on the front frame 30. Will be described as being formed.

In addition, the main body 1 may have the side air intakes 4 and 5 formed only at one side portion of the chassis 20 and the front panel 30, and both side air intakes 4 may be formed. It is also possible to form a) (5), hereinafter, as shown in Figure 1, it will be described as limited to the side air inlet (4) 5 is formed in both.

The chassis 20 is mounted on a mounting plate (not shown) mounted on a wall of a room by a fixing means such as a screw or mounted to the mounting plate by a fixing means such as a screw.

As shown in FIG. 2, the chassis 20 has an upper flow path guide 20A forming a flow path of an upper blowing fan 42 to be described later on the top, and a lower blower fan to be described below. The lower flow path guide 20B forming the flow path of 52 is protruded forward.

A drain portion 20C for draining the condensed water dropped from the upper heat exchanger 80 to be described later protrudes from the chassis 20, and a lower portion of the upper heat exchanger 80 is inclinedly supported by the drain portion 20C. A heat exchanger support 20D is formed.

The front frame 30 is formed such that the upper air discharge port 1 is opened upward and downward in an upper surface portion, and the air discharge hole 2 is opened upward and downward in an upper surface portion.

The front frame 30 has an upper discharge part 31 for discharging the air inside the main body 5 to the upper part of the main body 5, and the air inside the main body 5 to the lower part of the main body 5. The lower discharge part 35 which discharges is provided.

As illustrated in FIG. 2, the upper discharge part 31 includes an upper discharger 32 forming the upper air discharge port 1 between the upper portion of the chassis 20, and the upper air discharge port ( 1) an upper wind direction adjusting member 33 for guiding / winding the air passing through 1), and a wind direction adjusting motor 34 for rotating the upper wind direction adjusting member 33.

The upper discharger 32 is provided with a stabilizer 32A for separating the suction passage and the exhaust passage of the upper blower fan 42 described later.

The upper discharger 32 is formed separately from the front frame 30 is fastened by a fastening member such as a screw on the upper portion of the front frame 30 or integrally formed on the upper portion of the front frame 30.

 As shown in FIG. 2, the lower discharge part 35 forms the lower air discharge port 2 between the lower part of the chassis 20 and is dropped from the lower heat exchanger 90 to be described later. A lower discharger 36 having a drain portion 36A for draining condensed water, a lower wind direction adjusting member 37 for guiding / winding the air passing through the lower air discharge port 2, and the lower wind direction adjusting. And a lower wind direction control motor 38 for rotating the member 37.

The lower discharger 36 is formed separately from the front frame 30 and is fastened by a fastening member such as a screw to the lower portion of the front frame 30 or integrally formed under the front frame 30.

The lower discharger 36 is provided with a stabilizer 36B for distinguishing the suction flow path and the exhaust flow path of the lower blower fan 52 described later.

The front panel 39 is a flat plate, and may be made of a picture frame or a color panel capable of changing colors, and may be made of a display such as an LCD. It is also possible to have a display window on which the display is installed.

Inside the main body 5, a plurality of blowers 40, 50, 60, which suck air through the side air inlets 3 and 4 and discharge the air through the air outlets 1 and 2. 70) is installed.

The plurality of blowers (40, 50, 60, 70) and the main blower (40, 50); A sub blower (60) (70) installed to be located next to the side air inlets (3) and (4) to blow air in the left and right directions to help suction of air through the side air inlets (3) and (4); It is configured to include.

On the other hand, the inside of the main body 1, as shown in Figure 2, toward the upper heat exchanger 80 and the lower blowing fan 52 for heat-exchanging the air sucked toward the upper blowing fan 42 with the refrigerant A lower heat exchanger 90 is installed to heat the sucked air with the refrigerant.

The upper heat exchanger 80 and the lower heat exchanger 90 may be configured such that a refrigerant pipe is connected in series so that the refrigerant passing through the upper heat exchanger 80 passes through the lower heat exchanger 90 or vice versa. The refrigerant pipes are connected in parallel so that the refrigerant is distributed to the upper heat exchanger 80 and the lower heat exchanger 90, and then combined again through the upper heat exchanger 80 and the lower heat exchanger 90. It is also possible, and will be described below limited to the refrigerant pipes connected in parallel.

The upper heat exchanger 80 and the lower heat exchanger 90 are disposed vertically spaced apart from the inside of the main body 1.

The upper heat exchanger 80 includes an upper vertical heat exchanger 82 disposed vertically, and an upper gradient heat exchanger 84 formed to be inclined toward the center of the chassis 20 at a lower end of the upper vertical heat exchanger 82. Is made of.

The upper vertical heat exchanger 82 is disposed to be located in front of the upper blower fan 42.

The upper gradient heat exchanger 84 has a length at which a lower portion contacts the heat exchanger support 20D and is supported by being mounted on the heat exchanger support 20D.

The lower heat exchanger 90 is a vertically arranged lower vertical heat exchanger 92 and a lower inclined heat exchanger 94 formed to be inclined toward the center of the chassis 20 at an upper end of the lower vertical heat exchanger 82. Is made of.

The lower vertical heat exchanger 92 is disposed in front of the lower blower fan 52.

Figure 3 is a front view showing the inside of the indoor unit one embodiment of the air conditioner according to the present invention.

As shown in FIG. 3, the main blowers 40 and 50 may include an upper main blower 40 installed at an inner upper portion of the main body 5, and a lower main blower installed at an inner lower portion of the main body 5 ( 50).

In addition, the main blowers 40 and 50 have a cross flow fan 42 and 52 arranged long to the left and right inside the main body 5, and a rotating shaft for rotating the cross flow fan 42 and 52. It is comprised including the motor 44 and 54 arrange | positioned at this left and right.

That is, the upper main blower 40 includes an upper main cross flow fan 42 and an upper main cross flow fan 42 which are disposed to the left and right on the upper side of the main body 5, in particular, the chassis 20. It consists of an upper main motor 44 installed on one side of the upper left and right of the front side of the chassis 20 so that the upper main cross flow fan 42 is lowered when the upper main motor 44 is driven. Blow air upwards.

In addition, the lower main blower 50 is connected to the lower main cross flow fan 52 and the lower main cross flow fan 52 which are disposed to the left and right on the lower side of the main body 5, in particular, the chassis 20. It consists of a lower main motor 54 installed on one side of the lower left, right of the front side of the chassis 20 to rotate, the lower main cross flow fan 52 at the upper side when the lower main motor 54 is driven Blow air downwards.

Meanwhile, as illustrated in FIG. 3, the sub blowers 60 and 70 are provided at the left side of the left sub blower 60 and the right side of the right air inlet 4. The right sub blower 70 is configured.

The sub blowers 60 and 70 are installed on the side surfaces of the side air intakes 3 and 4, and the motors 62 and 72 are arranged on the left and right sides of the side, and the rotation shafts of the motors 62 and 72 are rotated. It is comprised including the axial flow fans 64 and 74 provided.

That is, the left sub blower 60 is installed on the right side of the left air intake port 3, and the left sub-motor 62 protrudes toward the right side, and the propeller fan provided on the rotary shaft of the left sub-motor 62. It consists of a left subaxial flow fan 64 of the back, and the left subaxial flow fan 64 blows the air of the left side to the right side when the left submotor 62 is driven.

In addition, the right sub blower 70 is installed on the left side of the right air intake port 4, and the right sub-motor 72 protrudes toward the left side, and the floppler installed on the rotation shaft of the right sub-motor 72. It consists of a right sub axial flow fan 74, such as a fan, and the said right sub axial flow fan 74 blows the air of the right side to the left side when the said right sub motor 72 is driven.

Meanwhile, as shown in FIG. 3, the chassis 20 protrudes to block the left side of the upper main cross flow fan 42 and the lower main cross flow fan 52, and the left air inlet 3 is approximately centered. Protruded to block the right side of the left partition wall 21 formed with the left opening 21 'and the upper main cross flow fan 42 and the lower main cross flow fan 52 so that the air sucked in through The right partition 22 having the right opening 22 ′ is formed to allow the air sucked through the right air inlet 4 to pass therethrough.

On one side of the upper portion of the left partition wall 21 and the right partition wall 22, a bearing 23 on which one rotation shaft of the upper main cross flow fan 42 is rotatably supported is installed, and the left partition wall 21 On one side of the upper left side or the upper right side of the right partition wall 22 is formed an upper main motor settling portion 24 in which an upper main motor 44 for rotating the upper main cross flow fan 42 is placed. .

In addition, a bearing 25 is installed at one side of the lower portion of the left partition wall 21 and the lower portion of the right partition wall 22 so that one side rotation shaft of the lower main cross flow fan 52 is rotatably supported. One of the lower left side of the lower left side or the right side of the right partition wall 22 has a lower main motor settling portion 26 in which a lower main motor 54 for rotating the lower main cross flow fan 52 is placed. Is formed.

An upper left supporter 21A disposed on the left partition 21 in front of the left partition 21 to form a left flow path of the upper main cross flow fan 42 together with the left partition 21; The left lower supporter 21B is disposed at the lower front of the left partition 21 to form a left flow path of the lower main cross flow fan 52 together with the left partition 21.

In addition, the right upper partition 22A and the upper right upper supporter 22A which are disposed in front of the upper right partition 22 and together with the right partition 22 form a right flow path of the upper main cross flow fan 42. The lower right supporter 22B is disposed at the lower front of the right partition 22 to form the right flow path of the lower main cross flow fan 52 together with the right partition 22.

As shown in FIG. 2, the upper heat exchanger 80 is supported by the upper inclined heat exchanger 84 mounted on the heat exchanger support 20D, and the left end thereof is the left partition 21 or the left side. It is caught by the upper supporter 21A and its right end is screwed into the right partition 22 or the right upper supporter 21B, or its right end is locked by the right partition 22 or the right upper supporter 21B and the left side thereof. It is of course possible that the stage is screwed to the left partition 21 or the left upper supporter 21A.

As shown in FIG. 2, the lower heat exchanger 90 has the left vertical end of the lower heat exchanger 92 mounted on the drain 71 of the lower discharge part 70. It is caught by the partition 21 or the lower left supporter 21B, and the right end thereof is screwed to the right partition 22 or the right lower supporter 22B, or the right end thereof is the right partition 22 or the right lower supporter 22B. It is also possible that the left end is screwed to the left partition 21 or the left lower supporter 21B.

On the other hand, the indoor unit of the air conditioner condensed water dropped from the upper heat exchanger 80 to the drain portion (20C: hereinafter referred to as the 'top drain portion') of the chassis 20 separate drain flow path (20E) Of the main body 5 through one drain hose 36B connected to the lower drain portion 71 by dropping to the drain portion 36A (hereinafter referred to as a lower drain portion) of the lower discharge portion 35. It is also possible to drain to the outside, and the upper drain hose is connected to the upper drain part 20C, and the lower drain hose is connected to the lower drain part 71 so that the condensed water dropped to the drain part 20C is connected to the upper drain hose. In addition to being drained through, the condensate dropped to the lower drain 71 may be drained through the lower drain hose.

In FIG. 3, reference numeral 96 denotes an indoor unit control box provided with various electrical components for controlling the indoor unit, in particular, the upper motor 44, the lower motor 64, and the like, according to a driver's operation. 98 is an LCD control box in which various electric components for controlling the LCD panel are installed when the LCD panel is installed in the indoor unit of the air conditioner.

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

First, when the upper main motor 44 and the lower main motor 54, the left sub motor 62, and the right sub motor 72 are driven, the upper main cross flow fan 42 and the lower main cross flow fan ( 52 and the left sub axial fan 64 and the right sub axial fan 74 are rotated.

The air in the room is blown by the rotation of the upper main cross flow fan 42, the lower main cross flow fan 52, the left sub axial flow fan 64 and the right sub axial flow fan 74, in particular, the left sub axial flow. By the blowing pressure formed by the rotation of the fan 64 and the right sub-axial flow fan 74, the left side of the main body 5 is gathered to the left side and the right side of the right side.

Air on the left side of the left side of the main body 1 is sucked to the right side, passes through the left air intake port 3, and foreign substances such as dust are filtered while passing through the left filter 6, and then the left sub axial flow fan It is blown to the right through 64.

Then, the air on the left side of the right side of the main body 1 is sucked to the left side and passes through the right side air intake port 4, and foreign substances such as dust are filtered while passing through the right side filter 7, and then the right side It blows to the left through the sub axial flow fan 74.

As described above, the air blown to the right by the left subaxial flow fan 64 and the air blown to the right by the right subaxial flow fan 74 are the left subaxial flow fan 64 and the right subaxial flow fan 74. ), It is dispersed up and down by the rotation of the upper main cross flow fan 42 and the lower main cross flow fan 52.

The air flowed upward is heated or cooled by the upper gradient heat exchanger 84 and the upper vertical heat exchanger 82 of the upper heat exchanger 80, and is sucked upwardly to the upper main cross flow fan 42 to It is blown upward through the upper main cross flow fan 42, and is discharged to the upper portion of the main body 5 through the upper air discharge port (1).

In addition, the air flowing downward is heated or cooled by the lower gradient heat exchanger 94 and the lower vertical heat exchanger 92 of the lower heat exchanger 80 and sucked downward into the lower main cross flow fan 52. And the air is blown downward through the lower main cross flow fan 52, and is discharged through the air discharge port 2 to the lower part of the main body 5.

On the other hand, the present invention is not limited to the above embodiment, and instead of the side grille, a separate inlet door is slidably or rotatably arranged to open and close the side air intake, and the various aspects within the technical scope of the present invention. Of course it is possible.

The indoor unit of the air conditioner according to the present invention configured as described above has an air discharge port formed in the main body, and at least one side portion of the left side portion and the right side portion is formed such that the side air inlet is opened to the left and right, and the air is supplied through the side air inlet. A plurality of blowers are installed inside the main body to suck and discharge the air through the air discharge port, and the air is discharged through the air discharge port after inhaling air in the room through the side part, and thus the appearance of the front part can be easily changed. There is an advantage that the front part is kept clean because foreign matter such as dust is not accumulated.

In addition, the indoor unit of the air conditioner of the present invention, the plurality of blowers are main blower; It is installed to be located next to the side air inlet and comprises a sub blower for blowing the air in the left and right directions, the sub blower can be sucked a large amount of air through the side air intake quickly, so the high air flow cold / There is an advantage to heating.

In addition, the indoor unit of the air conditioner of the present invention is formed with an upper air discharge port on the upper surface of the main body, and an air discharge hole is formed on the lower surface of the main body, and an upper main blower is installed on the upper inner side of the main body, Since the lower main blower is installed in the lower part, the air is discharged to the upper part and the lower part of the main body, and thus there is an advantage in that the user may feel uncomfortable feeling when the air-conditioned air is discharged forward.

 In addition, the indoor unit of the air conditioner of the present invention, the main blower is composed of a motor in which the rotation shaft is disposed left and right, and a cross flow fan disposed on the rotation shaft of the motor and long left and right disposed inside the main body, such as a centrifugal fan such as a turbo fan. There is an advantage that can quickly discharge a large amount of air conditioning when using.

In addition, the indoor unit of the air conditioner according to the present invention has a left air inlet formed on the left side of the main body, and a right air intake formed on the right side of the main body, and a left sub blower is installed on the right side of the left air intake. It is configured to include a right sub blower installed on the left side of the inlet, it is possible to suck the air in three dimensions there is an advantage that faster air conditioning is possible.

In addition, the indoor unit of the air conditioner of the present invention comprises a motor in which a sub blower is installed next to a side air inlet, and a rotation shaft is disposed left and right, and an axial flow fan installed in the rotation shaft of the motor, when using a centrifugal fan such as a turbo fan. It is possible to inhale more air quickly and eliminate the need for a separate fan housing or orifice, which is inexpensive.

In addition, the indoor unit of the air conditioner of the present invention has the side grille is formed in the side air intake has the advantage that can protect the inside of the side air intake with a simple structure and cost.

Claims (10)

A main body having an air discharge port formed therein and having a side air suction port opened at left and right sides of at least one of the left side and the right side; The indoor unit of the air conditioner is installed in the main body, characterized in that it comprises a plurality of blowers for sucking the air through the side air inlet and discharge through the air outlet. The method of claim 1, The plurality of blowers are a main blower; The indoor unit of the air conditioner is installed to be located next to the side air inlet comprises a sub blower for blowing air in the left and right directions. The method of claim 2, The main unit of the indoor unit of the air conditioner, characterized in that the upper air discharge port is formed in the upper surface portion and the lower air discharge port is formed in the lower surface portion. The method of claim 3, wherein The main blower indoor unit of the air conditioner, characterized in that it comprises an upper main blower installed in the inner upper portion of the main body, and a lower main blower installed in the inner lower portion of the main body. The method of claim 2, The main blower is an indoor unit of the air conditioner, characterized in that it comprises a motor with a rotating shaft disposed left and right, and a cross flow fan which is installed on the rotating shaft of the motor and arranged long left and right inside the main body. The method of claim 2, The main unit is an indoor unit of the air conditioner, characterized in that the left side air inlet is formed in the left side portion and the right side air inlet is formed in the right side portion. The method of claim 6, And the sub blower comprises a left sub blower installed at a right side of the left air inlet and a right sub blower installed at a left side of the right air intake. The method of claim 2, The sub blower indoor unit of the air conditioner, characterized in that it comprises a motor installed next to the side air inlet and the rotating shaft is disposed left and right, and an axial flow fan provided on the rotating shaft of the motor. The method according to any one of claims 1 to 8, The main body of the indoor unit of the air conditioner, characterized in that the side grille is formed in the side air inlet. The method according to any one of claims 1 to 8, And the main body further comprises a chassis, a front frame coupled to the chassis, and a front panel installed at the front of the front frame.

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