KR20080011512A - Indoor unit of air conditioner - Google Patents

Abstract

An indoor unit for an air conditioner is provided to improve blowing efficiency and decrease noise and vibration by forming a turbulent flow prevention plate for precluding air from contacting with a base by an indoor fan. An indoor unit for an air conditioner comprises a cabinet(130), an indoor fan(170), a base(140), and a turbulent flow prevention plate(200). The cabinet having plural parts inside constitutes external appearance. The indoor fan is attached to a fan motor generating rotating force and flows air. The base, which is combined with the upper end of the cabinet, supports load of the indoor fan and the fan motor. The turbulent flow prevention plate, which is combined with the lower part of the base or fixed on the base, prevents air from contacting with the base by the indoor fan. Additionally, an insertion hole(220) installed at one side of the turbulent flow prevention plate is capable of combining the turbulent flow prevention plate with the base by a combining member.

Description

Indoor unit of air conditioner {Indoor unit for air conditioner}

1 is an exploded perspective view showing the configuration of an indoor unit of a conventional air conditioner.

Figure 2 is a bottom perspective view showing the external configuration of the air conditioner indoor unit according to the present invention.

Figure 3 is an exploded perspective view showing the internal configuration of the indoor unit of the air conditioner according to the present invention.

Figure 4 is a bottom perspective view showing a state in which the turbulence preventing plate constituting the main portion in the indoor unit of the air conditioner according to the present invention coupled to the base.

Figure 5 is a longitudinal sectional view showing the internal configuration of the indoor unit of the air conditioner according to the present invention.

Explanation of symbols on the main parts of the drawings

100. Indoor unit 110. Front panel

112. Inlet port 114. Outlet port

116. Louver 120. Suction grill

122.Airflow 124.Air Filter

130. Cabinet 132. Insertion piece

134. Tightening flange 140. Base

142. Base support 144. Support hole

146. Reinforcement part 148. Perforation part

150. Drain pan 152. Collection space

154. Through hole 160. Indoor heat exchanger

170. Indoor Fan 172. Fan Motor

176.Mountmount 180. Orifice

182. Orifice Ball 184. Fastener

200. Turbulence Block 220. Insertion Hole

240. Molded parts

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 a turbulence preventing plate is provided on one surface of a base supporting the indoor unit to be mounted inside a ceiling to reduce noise.

In general, an air conditioner is a cooling / heating system that cools a room by a repetitive action of inhaling hot air in a room, exchanging heat with a low temperature refrigerant, and then discharging it into the room. -Condenser-Expansion valve-Evaporator which forms a series of cycles.

In addition, an air conditioner is an outdoor unit (sometimes called an 'outdoor side' or a 'heat sink side') mainly installed outdoors, and an indoor unit (also called an 'indoor side' or 'heat absorbing side') mainly installed inside a building. The outdoor unit is provided with a condenser (outdoor heat exchanger) and a compressor, and the indoor unit is provided with an evaporator (indoor heat exchanger).

The air conditioner can be broadly divided into a separate air conditioner in which the outdoor unit and the indoor unit are separately installed, and an integrated air conditioner in which the outdoor unit and the indoor unit are installed integrally.

In addition, the separate air conditioner can be effectively applied when cooling / heating a plurality of spaces with one outdoor unit. That is, by installing a multi-type air conditioner, which is a type of separate air conditioner, in a building having several offices, efficient air conditioning of each office is possible.

In more detail, the multi-type air conditioner is connected to a plurality of indoor units in one outdoor unit, and the indoor units are installed in the room for air conditioning, respectively, so that the effect of installing several air conditioners can be obtained.

Hereinafter, a configuration of a general multi-type air conditioner indoor unit (hereinafter, referred to as 'room') will be described with reference to the accompanying drawings.

Figure 1 is an exploded perspective view showing the configuration of the air conditioner indoor unit according to the prior art.

As shown in the figure, the indoor unit 1 is installed on the front panel 10 and the central portion of the front panel 10 to form an edge of the outer surface to allow the indoor air to flow into the indoor unit (1) A suction grill 20, a cabinet 30 forming an upper appearance of the indoor unit 1, and having a plurality of parts built therein, and shielding the upper surface of the cabinet 30, the indoor unit 1 is ceilinged. The overall appearance is formed by the base 40 to be mounted therein.

The front panel 10 is perforated in a rectangular shape and the suction grill 20 is mounted, and a rectangular discharge port 12 is formed at the bottom thereof. The discharge port 12 is to discharge the air heat-exchanged in the indoor unit 1 back to the room, a plurality of perforations are formed in the same shape in the front, rear, left and right of the front panel 10.

In addition, the discharge port 12 is formed with a louver 14 forcing the flow direction of the air discharged into the room through the discharge port 12. The louver 14 has a square plate shape corresponding to the shape and size of the discharge port 12, and is connected to a motor (not shown) that generates rotational power to rotate the air flow direction.

Accordingly, the air discharged into the indoor space through the discharge port 12 is blown to the corners so that the indoor unit 1 maximizes air conditioning.

A suction grill 20 having a substantially square plate shape is mounted at the center of the front panel 10. The suction grill 20 allows indoor air to be sucked into the indoor unit 1 as described above. Therefore, a plurality of suction ports 22 are formed in the central portion of the suction grill 20 so that the upper and lower portions penetrate in the horizontal direction.

An air filter 50 is provided above the suction grill 20. The air filter 50 filters the indoor air sucked into the indoor unit 1 through the inlet 22, and blocks foreign matter from being loaded into the indoor unit 1.

And the drain pan 60 is seated on the upper side of the front panel 10 described above. The drain pan 60 collects condensed water generated when the indoor heat exchanger 70 exchanges air, which will be described below, and a collecting space 62 is recessed on the upper surface.

The drain pan 60 also serves to guide the air introduced into the indoor unit 1 through the suction port 22 to flow upward through the center. In other words, a through hole 64 is formed in the center of the drain pan 60, and through the through hole 64, indoor air can flow to the upper side of the drain pan 60.

An orifice 66 is inserted into the through hole 64. The orifice 66 is for guiding the air below the drain pan 60 to flow to the center portion of the indoor fan 80 to be described below. The orifice 66 has a cylindrical shape penetrated in the up / down direction and has a lower end portion. It spreads outward and has a diameter larger than the upper end.

Therefore, when the orifice 66 is moved upward and inserted into the through hole 64, air flows into the orifice 66.

An indoor heat exchanger 70 is installed above the collecting space 62. The indoor heat exchanger (70) exchanges indoor air purified by the air filter (50), and has a cross section corresponding to the water collecting space (62).

Therefore, the condensed water generated on the outer surface of the indoor heat exchanger 70 during heat exchange of the indoor air flows downward to be collected in the water collecting space 62.

The outer side of the indoor heat exchanger 70 is provided with a cabinet 30 that is coupled to each other a plurality of plates of the indoor unit 1 to form a space therein. The cabinet 30 has an approximately octagonal longitudinal section and an upper end is coupled to the front panel 10 upper surface, and a lower end is coupled to the base support 42 to be described below.

That is, the upper end of the cabinet 30 is provided with an insertion piece 32 protruding outward so that one side of the base support 42 is inserted and fixed, the lower end of the fastening flange so as to be screwed to the upper surface of the front panel 10 ( 34 are formed in plurality.

In addition, an indoor fan 80 is installed at the center of the cabinet 30. The indoor fan 80 is connected to a fan motor 82 that generates rotational power when power is applied, and is rotated at a high speed by receiving rotational power from the fan motor 82.

Therefore, when the fan motor 82 is rotated to force the air flow inside the indoor unit 1, the indoor air is sucked through the inlet 22, and the indoor air sucked through the inlet 22 is After heat exchange by the heat exchanger 70 is guided by the cabinet 30 to be discharged to the discharge port (12).

The fan motor 82 is regulated in flow by the motor mount 84. That is, the motor mount 84 is accommodated so that the flow of the upper part of the fan motor 82 is regulated, and the motor mount 84 is fixedly mounted to the center of the bottom surface of the base 40 described above. Therefore, the fan motor 82 can rotate at a high speed in a state in which the flow is regulated inside the indoor unit 1.

Meanwhile, a base support 42 is provided between the base 40 and the cabinet 30. The base support 42 is configured to prevent deformation of the base 40 due to the load when the load of the fan motor 82 and the indoor fan 80 is supported by the base 40.

That is, the base support 42 is formed so that the outer shape corresponds to the base 40 and the support portion 42 'bent downward in the outer edge is formed. The support part 42 ′ is inserted into the insertion piece 32 described above to support the base 40 upward by restricting flow.

The center portion of the base support 42 is formed with a coupling hole 43 drilled in a square shape. The coupling hole 43 is configured to allow the motor mount 84 to be fastened to the base 40.

The base 40 is provided on the base support 42. The base 40 forms an upper appearance as described above, and the motor mount 84 is fastened to the center to support the load of the indoor fan 80 and the fan motor 82.

Therefore, the reinforcement part 41 is formed in the base 40 so that deformation does not occur due to such a load. The reinforcement part 41 is formed by recessing various shapes in the downward direction from the upper surface of the base 40.

However, in the prior art configured as described above, there are the following problems.

That is, the base 40 is formed with a reinforcing part 41 for strength reinforcement, and the reinforcing part 41 also protrudes downward in the same shape on the bottom surface of the base 40. Therefore, when the indoor fan 80 rotates and the indoor air is introduced, the introduced indoor air interferes with the reinforcing part 41 protruding from the bottom surface of the base 40 to generate turbulence.

In addition, when turbulence occurs inside the indoor unit 1, there is a problem in that noise and vibration are generated.

In addition, the noise and vibration generated by the user feels emotional discomfort, causing a decrease in product satisfaction.

Accordingly, an object of the present invention for solving the above problems is, further provided with a turbulence prevention plate on the lower side of the base to prevent the air blown by the indoor fan to contact the base to prevent the occurrence of turbulence inside the indoor unit It is to provide the indoor unit of a harmonic.

It is another object of the present invention to provide an indoor unit of an air conditioner that blocks the generation of turbulence inside the indoor unit to improve the air blowing capability and to reduce noise and vibration.

The indoor unit of the air conditioner according to the present invention for achieving the above object, the cabinet forming an appearance and a plurality of parts are installed therein; An indoor fan coupled with a fan motor generating a rotational force to generate an air flow; A base coupled to an upper end of the cabinet and supporting loads of the indoor fan and the fan motor; It is coupled to the lower surface of the base, turbulence preventing plate for blocking the air flowing by the indoor fan to contact the base; characterized in that it comprises a.

The turbulence preventing plate is characterized in that fixed to the base.

The central portion of the turbulence prevention plate, characterized in that the insertion port for drilling the turbulence prevention plate is coupled to the base by the fastening member.

One side of the upper surface of the turbulence preventing plate, characterized in that the coupling portion is formed with the reinforcing reinforcement portion protruding to reinforce the strength of the base.

The cross-sectional area of the turbulence preventing plate is characterized in that it is formed larger than the cross-sectional area of the indoor fan.

The outer shape of the turbulence preventing plate is characterized in that it corresponds to the outer shape of the indoor heat exchanger that heat-exchanges the indoor air with the refrigerant.

The bottom surface of the turbulence preventing plate is characterized in that the plane.

According to the present invention configured as described above, there is an advantage that the generation of turbulence inside the indoor unit is prevented to reduce noise and vibration.

Hereinafter, with reference to the accompanying drawings, the configuration of the indoor unit of the air conditioner according to the present invention will be described in detail.

Figure 2 is a bottom perspective view showing the external configuration of the air conditioner indoor unit according to the present invention.

As shown in the figure, the indoor unit 100 is fixed to the upper part is inserted into the ceiling, the lower surface is exposed to the lower side of the ceiling.

In addition, the indoor unit 100 has a front panel 110 forming an edge portion of the lower surface and a suction grill 120 installed at the center of the front panel 110 to allow indoor air to flow into the indoor unit 100. And forming a top exterior of the indoor unit 100 and shielding the upper surface of the cabinet 130 with the cabinet 130 having a plurality of parts therein, and allowing the indoor unit 100 to be mounted inside the ceiling. The overall appearance is formed by the base (140 in FIG. 3).

The front panel 110 has a square panel shape, the suction grill 120 is mounted in the center. That is, a square suction hole 112 is punctured at the central portion of the front panel 110, and the suction hole 112 is provided to correspond to the outer shape and size of the suction grill 120.

Therefore, when the suction grill 120 is installed inside the suction port 112, the suction grill 120 forms an outer appearance of the lower surface of the indoor unit 100.

In addition, front, rear, left, and right sides of the front panel 110 are formed with a discharge port 114 of a long rectangular shape. The discharge port 114 is configured to guide the indoor air sucked into the indoor unit 100 through the suction port 112 to be discharged back to the room, and is formed to communicate with the inside of the indoor unit 100. .

The louver 116 is mounted inside the discharge port 114 to force the flow direction of the air discharged into the room through the discharge port 114. The louver 116 has a square plate shape corresponding to the shape and size of the discharge port 114, and is rotatably installed based on one end.

That is, one end of the louver 116 is connected to a louver motor (not shown) that generates rotational power when power is applied, and the louver 116 is interlocked by the rotational power of the louver motor to repeat within a predetermined angle range. It is installed to be rotatable.

Therefore, when the air discharged through the upper surface of the louver 116 and the discharge port 114 are in contact with each other, the contact angle between the louver 116 and the discharge air is changed by the rotation of the louver motor at a time, so that the louver 116 ) Forces the discharged air to be discharged in various directions.

The suction grill 120 serves to guide the indoor air to be introduced into the indoor unit 100, the air flow hole 122 is formed long in the horizontal direction on the front (full surface).

The air flow hole 122 is formed by penetrating the suction grill 120 in the vertical direction, the space in the center of the indoor unit 100 is configured to communicate with the room.

Therefore, when the indoor unit 100 is operated, indoor air may be introduced into the indoor unit 100 through the air flow hole 122, and guided by the discharge port 114 to be introduced again into the room.

Hereinafter, the internal configuration of the indoor unit of the air conditioner according to the present invention will be described in detail with reference to FIG. 3.

3 is an exploded perspective view showing the internal configuration of the air conditioner indoor unit according to the present invention.

As shown in the figure, an air filter 124 is provided above the suction grill 120. The air filter 124 filters foreign matters contained in the air introduced into the indoor unit 100, and is formed of a flexible material, and fine holes are perforated in the entire surface.

Therefore, foreign matters in the air introduced into the indoor unit 100 through the suction port 112 remain without passing through the micro holes and are attached to the lower surface of the air filter 124 so that the foreign matters inside the indoor unit 100. Loading is prevented beforehand.

The drain pan 150 is provided above the air filter 124. The drain pan 150 is configured to collect condensed water generated on the outer surface of the indoor heat exchanger 160 when the indoor heat exchanger 160 and the indoor air exchange heat, which will be described below, and the indoor heat exchanger 160 viewed from above. It is larger than the outer size of).

In addition, a collecting space 152 recessed downward is formed on an upper surface of the drain pan 150. The lower end of the indoor heat exchanger 160 is accommodated and seated in the collection space 152 so that the condensed water collected on the outer surface of the indoor heat exchanger 160 flows downward to be accommodated in the collection space 152. do.

The drain pan 150 also serves to guide the air purified by the air filter 124 to flow upward through the drain pan 150.

That is, the through hole 154 is drilled in the center of the drain pan 150. Therefore, the indoor air can flow upward through the suction port 112 and the through hole 154.

As described above, the indoor heat exchanger 160 is installed on the upper surface of the drain pan 150, more specifically, on the collecting space 152. The indoor heat exchanger 160 is for heat-exchanging the indoor air purified by the air filter 124, the refrigerant to heat exchange with the indoor air flows.

In addition, the indoor heat exchanger 160 is bent in a substantially rhombus shape when viewed from above. More specifically, the indoor heat exchanger 160 has a shape in which the elongated tube is bent a plurality of times in order to increase the heat exchange area with air, and is generally rectangular in shape.

Therefore, the indoor air flowing upward through the through hole 154 is forced to flow in the front and rear / left and right directions to exchange heat with the indoor heat exchanger 160, the outer surface of the indoor heat exchanger 160 during the heat exchange process Condensate generated in the water is collected in the collecting space (152).

The above-described cabinet 130 is provided outside the indoor heat exchanger 160. The cabinet 130 is octagonal when a plurality of plates are coupled to each other when viewed from above, and forms the front / rear / left / right / surface appearance of the indoor unit 100 to shield the interior of the indoor unit (100).

And, the lower end of the cabinet 130 is coupled in contact with the upper edge of the front panel 110, the upper end is coupled to the lower surface of the base support 142 to be described below.

That is, the upper end of the cabinet 130 is provided with an insertion piece 132 that is bent upwards after protruding outward so that one side of the lower end of the base support 142 may be accommodated therein. 134 protrudes outward.

Therefore, when the insertion piece 132 and the fastening flange 134 is fastened to the bottom surface of the base support 142 and the upper surface of the front panel 110 by a fastening member, the inside of the cabinet 130 is isolated from the outside The flow of air is blocked.

In addition, an indoor fan 170 is installed at the center of the cabinet 130. The indoor fan 170 is configured to force the air flow by being axially coupled with the fan motor 172 that generates rotational power when the power is applied, the suction force in the upper direction to the central portion of the indoor fan 170. And generates wind power from the inside to the outside in the direction of the outer circumference.

Therefore, when the indoor fan 170 receives the rotational power from the fan motor 172 and rotates at a high speed, the suction force generated at the lower side is transmitted to the through hole 154 and the suction port 112 to suck the indoor air. It becomes possible.

In addition, the indoor air sucked into the center portion of the indoor fan 170 is blown toward the outer circumferential surface to pass through the indoor heat exchanger 160, thereby performing heat exchange by the refrigerant.

The motor mount 176 is provided above the fan motor 172. The motor mount 176 regulates the fan motor 172 which is axially coupled with the indoor fan 170 so as not to fall downward, and is fastened after the upper surface of the motor mount 176 contacts the bottom surface of the base 140. It is fastened by a member (not shown).

Therefore, the indoor fan 170 maintains a constant position in the center of the cabinet 130 without falling downward, and the motor mount 176 even when the fan is rotated at a high speed by receiving rotational power from the fan motor 172. Can be firmly supported.

On the other hand, the orifice 180 is provided on the lower side of the indoor fan 170, more specifically, inside the through hole 154. The orifice 180 serves to guide the air flowing upward from the lower side of the drain pan 150 to the center portion of the indoor fan 170, and has a cylindrical shape that increases in diameter downward. The lower end is coupled to be on the same plane as the bottom of the drain pan 150.

In addition, an orifice hole 182 is formed inside the orifice 180 to guide the air below the drain pan 150 to penetrate the drain pan 150.

The inner diameter of the orifice hole 182 is formed to be slightly smaller than the outer diameter of the indoor fan 170, and is configured such that the indoor fan 170 is located inside the orifice hole 182.

Therefore, when the indoor fan 170 rotates to generate a suction force to the lower side, the air of the lower side based on the drain pan 150 flows upward along the orifice hole 182 to the indoor fan 170. Inflow to the center of the

The lower surface of the orifice 180 is provided with a fastening hole 184 is formed. The fastening hole 184 is to prevent the orifice 180 is fastened to the drain pan 150 to be separated, the end of the fastening member inserted into the fastening hole 184 is fastened to the outside of the through hole 154 The orifice 180 is fixed to the center of the drain pan 150.

The upper surface of the indoor unit 100 is provided with a base 140 of an approximately octagonal plate shape. The base 140 is one side is fixed to the ceiling of the indoor space by a fixing member (not shown) to support the load of the indoor unit 100 including the indoor fan 170 and the fan motor 172, the center portion A support hole 144 is formed to support the motor mount 176 in a fastened state.

Therefore, when the fastening member penetrating the edge of the motor mount 176 is fastened to the support hole 144, the motor mount 176 is maintained without being separated from the base 140.

The front surface of the base 140 is provided with a reinforcing part 146 having a shape symmetrical left and right. The reinforcement part 146 is for reinforcing the strength of the base 140, and considering the load of the indoor fan and the fan motor, the reinforcement part 146 is preferably formed radially based on the center part of the base 140.

On the other hand, the base support 142 is provided below the base 140. The base support 142 is to prevent deformation of the base 140 by supporting the lower edge of the base 140, and performs the same role as the reinforcement 146.

Therefore, the base 140 is prevented from being deformed by the base support 142 and the reinforcement part 146.

The center of the base support 142 is provided with a perforated portion 148 perforated in a substantially rectangular shape. The drilling portion 148 serves to guide the fastening position so that the above-described motor mount can be fastened to the base 140.

On the other hand, the lower surface of the base 140 is provided with a turbulence preventing plate 200 which is a main component of the present invention. The turbulence preventing plate 200 serves to block the lower surface of the base 140 and the air forcedly flows by the indoor fan, and has a substantially rectangular shape.

In addition, the turbulence preventing plate 200 is fixedly coupled to the base 140. More precisely, the upper surface of the turbulence preventing plate 200 contacts the base 140 and the center of the lower surface maintains the contact with the upper end of the motor mount 176. To this end, the insertion hole 220 is drilled at a position corresponding to the center portion of the base 140, more specifically, the support hole 144.

Therefore, when the fastening member penetrating the motor mount 176 and the insertion hole 220 at the same time is fastened to the support hole 144, the turbulence preventing plate 200 is attached to the lower surface of the base 140, the base 140 ) And the air flowing inside the indoor unit 100 may not be in contact with each other.

In addition, the turbulence prevention plate 200 also serves to guide the air flowing inside the indoor unit 100 to flow outwardly in an interference direction in addition to the above-described role.

That is, no protruding and recessed shapes are formed on the lower surface of the turbulence preventing plate 200 and form a flat surface. Therefore, the air flowing outward through the central portion of the indoor fan 170 flows outward along the smooth bottom surface of the turbulence preventing plate 200.

A mold 240 is formed on the upper surface of the turbulence preventing plate 200. The fitting part 240 is such that the upper surface of the turbulence prevention plate 200 and the lower surface of the base 140 do not lift each other when the turbulence prevention plate 200 is attached to the base 140. Is matched with.

To this end, the matching part 240 has a pattern corresponding to the reinforcing part 146. More specifically, when the reinforcing portion 146 protrudes downward, the matching portion 240 is recessed downward from the upper surface of the turbulence preventing plate 200, and the reinforcing portion 146 protrudes upward. In this case, the matching part 240 protrudes upward from the upper surface of the turbulence preventing plate 200 to be able to join each other.

Therefore, when the turbulence preventing plate 200 is coupled to the bottom surface of the base 140, the combined portion is shaped as shown in FIG. The reason for this is to prevent the turbulence prevention plate 200 from shaking when the turbulence prevention plate 200 comes into contact with air while the turbulence prevention plate 200 and the base 140 are excited.

The turbulence blocking plate 200 has a cross sectional area larger than that of the indoor fan. Therefore, even if the indoor fan 170 sucks the indoor air through the center and discharges it upward and sideways, the discharged air is guided while contacting the turbulence preventing plate 200 to flow to the indoor heat exchanger 160. do.

In addition, the outer shape of the turbulence prevention plate 200 corresponds to the outer shape of the indoor heat exchanger 160, more precisely, to the inner trapezoidal shape of the indoor heat exchanger 160. Therefore, when the turbulence blocking plate 200 and the indoor heat exchanger 160 are mounted inside the indoor unit 100, the turbulence blocking plate 200 is placed as if inserted into the upper end of the indoor heat exchanger 160. See FIG. 5)

Hereinafter, the operation of the indoor unit of the air conditioner having the configuration as described above will be described with reference to FIG.

5 is a longitudinal sectional view showing the internal configuration of the indoor unit of the air conditioner according to the present invention.

First, when power is applied to an air conditioner, the louver motor (not shown) opens the discharge port 114 by rotating the louver 116. At the same time, the fan motor 172 transmits the rotational power to the indoor fan 170 so that the indoor fan 170 rotates at a high speed.

When the indoor fan 170 is rotated, a suction force in an upward direction is generated at the lower side of the center of the indoor fan 170. The suction force generated by the indoor fan 170 is transmitted to the suction port 112 so that the indoor air is introduced into the indoor unit 100.

The indoor air introduced into the indoor unit 100 passes through the air filter 124, and foreign matter contained in the indoor air is filtered out, and only the purified air passes through the air filter 124.

The purified air passing through the air filter 124 is guided by the orifice 180 to pass through the through hole 154, and at the same time flows into the indoor fan 170.

The air introduced into the indoor fan 170 is forced by the indoor fan 170 and blown toward the outer circumferential surface, and the blown indoor air contacts the outer surface of the indoor heat exchanger 160 to be heat exchanged by the refrigerant.

In addition, the indoor air blown diagonally upward from the indoor fan 170 flows outward while contacting the smooth bottom surface of the turbulence preventing plate 200 to come into contact with the indoor heat exchanger 160.

The indoor air heat-exchanged with the refrigerant by the indoor heat exchanger 160 is guided by the inner surface of the cabinet 130 and discharged into the room through the discharge port 114. Of course, the louver 116 is rotated by a predetermined angle to guide the discharge to the corner of the room by interfering the discharge air.

The scope of the present invention is not limited to the above-exemplified embodiments, and many other modifications may be made based on the present invention to those skilled in the art within the above technical scope.

For example, in the embodiment of the present invention, the lower surface of the turbulence prevention plate is formed flat, but the lower surface of the turbulence prevention plate may be formed in a curved surface depending on the air discharge direction of the indoor fan.

In the indoor unit of the air conditioner according to the present invention having the configuration as described above, the turbulence preventing plate is further configured so that the air blown by the indoor fan does not contact the lower surface of the base.

Therefore, turbulence is not generated due to interference between the lower surface of the base and the indoor air, thereby reducing noise and vibration.

In addition, there is an advantage that the wind power of the heat-exchanged air discharged through the discharge port is improved for the above reason.

In addition, by reducing the noise and vibration of the indoor unit, the user's emotional discomfort is prevented in advance, and product satisfaction is expected to be improved.

Claims (7)

A cabinet forming an appearance and having a plurality of parts installed therein; An indoor fan coupled with a fan motor generating a rotational force to generate an air flow; A base coupled to an upper end of the cabinet and supporting loads of the indoor fan and the fan motor; And a turbulence preventing plate coupled to the bottom surface of the base to block the air flowing by the indoor fan from coming into contact with the base. The indoor unit of an air conditioner according to claim 1, wherein the turbulence preventing plate is fixedly fixed to the base. According to claim 2, At one side of the central portion of the turbulence prevention plate, The air conditioner indoor unit, characterized in that the insertion hole for drilling the turbulence prevention plate is coupled to the base by a fastening member. According to claim 1, At one side of the upper surface of the turbulence prevention plate, Indoor unit of the air conditioner, characterized in that the mating portion is provided with a reinforcing reinforcement portion to reinforce the strength of the base. The indoor unit of an air conditioner according to claim 1, wherein a cross sectional area of the turbulence blocking plate is larger than a cross sectional area of the indoor fan. According to claim 4, The outer shape of the turbulence prevention plate, An indoor unit of an air conditioner, wherein the indoor unit corresponds to an outer shape of an indoor heat exchanger that exchanges indoor air with a refrigerant. The indoor unit of an air conditioner according to any one of claims 1 to 5, wherein a bottom surface of the turbulence blocking plate is a flat surface.

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