KR20070069374A - Indoor unit for air conditioner - Google Patents

Abstract

An indoor unit of an air conditioner is provided to mount an impurity blocking element at a lower part of an indoor fan for preventing damage of the indoor fan by contact of impurities. An indoor unit of an air conditioner includes an indoor fan(170) for forcibly moving room air introduced into the indoor unit, and an orifice(180) guiding the room air to be advanced to the indoor fan. An impurity blocking element(200) is mounted at a side of the orifice for blocking introduction of impurities into the indoor fan. The impurity blocking element is detachably mounted to the orifice as desired, and has blocking parts in the shape of grid, and coupling parts extended from the blocking parts outward and fixed to the orifice for preventing separation of the blocking parts from the orifice.

Description

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

1 is a bottom perspective view showing an external configuration of an air conditioner indoor unit according to the prior art;

Figure 2 is an exploded perspective view showing the internal configuration of the indoor unit of the air conditioner according to the prior art.

Figure 3 is a bottom perspective view showing the external configuration of the air conditioner indoor unit according to the present invention.

Figure 4 is an exploded perspective view showing the internal configuration of the indoor unit of the air conditioner according to the present invention.

Figure 5 is a perspective view showing the appearance of the foreign matter blocking means that is the main 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. Slot

134. Tightening flange 140. Base

142. Base Support 150. Drain Pan

152. Collection space 154. Through hole

160. Indoor heat exchanger 170. Indoor fan

172. Fan Motor 176. Motor Mount

180. Orifice 182. Orifice Ball

184. Fasteners 190. Plasma Filter

200. Foreign body blocking means 210. Shield part

220. Combined part 220. Insertion ring

The present invention relates to an indoor unit of an air conditioner, and more particularly, by providing a foreign matter blocking means for blocking foreign material inflow below the indoor fan generating air flow so that the indoor air is discharged after being introduced into the indoor unit. It relates to an air conditioner indoor unit in which breakage of the gas is prevented in advance.

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 recent years, in addition to heating and cooling, there are many additional functions such as the air purifying function that sucks and filters contaminated air in the room and makes it into clean air and re-injects it into the room, and the dehumidification function that makes humid air into wet and dry air again. Is also serving.

In particular, the air conditioner is mainly an outdoor unit (sometimes called 'outside' or 'heat sink') installed outdoors, and an indoor unit (sometimes called 'indoor' 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).

And, as is well known, air conditioners can be broadly divided into separate type air conditioners in which the outdoor unit and the indoor unit are separately installed, and integrated air conditioners in which the outdoor unit and the indoor unit are installed integrally, and separate type air conditioning in consideration of installation space or noise. The group is preferred.

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 a bottom perspective view showing the external configuration of the air conditioner indoor unit according to the prior art.

As shown in the figure, the indoor unit 1 of the air conditioner is mounted so that the upper portion is inserted and fixed inside the ceiling and the lower surface is exposed below the ceiling.

In addition, the indoor unit 1 has a front panel 10 which forms an edge portion of an outer surface of the indoor unit 1, and a suction grill 20 installed in the center of the front panel 10 to allow indoor air to flow into the indoor unit 1. And, to form the upper appearance of the indoor unit (1) and a cabinet (30) having a plurality of parts therein, and to shield the upper surface of the cabinet 30 and at the same time to allow the indoor unit (1) mounted inside the ceiling The overall appearance is formed by the base 40.

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 allow the air heat-exchanged in the indoor unit 1 to be discharged back to the room, it is 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.

Hereinafter, with reference to the accompanying drawings to look at the internal configuration of a general air conditioner indoor unit.

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

As shown in the figure, 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 is formed of a flexible material and blocks loading of foreign matter inside 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 has a collecting space 62 open upward.

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 in the state as shown in FIG. 2, 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, the upper end is coupled to the front panel 10 upper surface, and the lower end is coupled to the base support 42 to be described below.

That is, the upper end of the cabinet 30 is inserted into the insertion hole 32 protruding outward so that one side of the base support 42 is inserted and fixed to be combined with the base support 42, the lower end of the front panel 10 A plurality of fastening flanges 34 are formed to enable screwing with the top surface.

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 hole 32 described above to support the base 40 upward by restricting flow.

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

That is, when the lower part of the indoor fan 80 is inserted and mounted in the orifice 66, the indoor fan 80 is exposed to the outside when viewed from the lower side.

Therefore, when a user inadvertently inserts a pointed foreign material into the indoor unit 1, since the breakage of the indoor fan 80 occurs, it is not preferable in view of safety.

In addition, if the indoor fan 80 is damaged by a foreign material, there is a problem that causes additional customer complaints, since maintenance costs such as replacement costs are additionally generated.

In addition, even when a failure occurs in the indoor unit 1 and a service is required, a hand or a tool of a service worker may come into contact with the indoor fan 80, thereby causing damage to the indoor fan 80 as well as physical injury. It is not preferable because it can wear.

Therefore, an object of the present invention for solving the above problems, further comprising a foreign matter blocking means for blocking the foreign material inlet in the lower side of the indoor fan to generate the air flow so that the indoor air is discharged after entering the indoor unit; It is to provide an indoor unit of the air conditioner to prevent damage of the indoor fan due to the contact of.

It is another object of the present invention to provide an indoor unit of an air conditioner in which serviceability is formed by configuring the foreign matter blocking means to be selectively detachable.

The present invention for achieving the above object is, in the indoor unit of the air conditioner to match the room cantilever, an indoor fan for forcing the air flow so that the indoor air passes through the indoor unit, the indoor flow introduced into the indoor unit And an orifice for guiding air to flow to the indoor fan, and a foreign matter blocking means provided at one side of the orifice to block foreign matter from entering the indoor fan.

The foreign material blocking means is formed to be selectively separated from the orifice.

An orifice hole is formed in the orifice to guide the air flow by being drilled.

The foreign material blocking means is formed in a grid shape to block the foreign material is not inserted into the indoor fan, and formed extending outwardly from the shield and one side is fixed to the orifice so that the shield is not separated from the orifice Characterized in that configured to include a coupling.

The shield is characterized in that it is formed to have an outer diameter corresponding to the inner diameter of the orifice hole.

The coupling portion is provided in plurality, one end is characterized in that the insertion ring is formed so that the fastening member can be inserted.

The indoor unit of the air conditioner according to the present invention configured as described above is beautiful in appearance, there is an advantage that the foreign matter loading inside the indoor unit is prevented.

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 3 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 of the air conditioner is fixed to the upper part is inserted into the ceiling, the lower surface is exposed to the lower 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, to form the upper appearance of the indoor unit 100 and the cabinet 130, a plurality of parts are built therein, and to shield the upper surface of the cabinet 130 and at the same time to allow the indoor unit 100 is mounted inside the ceiling The overall appearance is formed by the base (140 in FIG. 4).

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 repeatedly rotated by a predetermined angle by the rotational power of the louver motor. It can be installed.

Therefore, when the upper surface of the louver 116 and the air discharged through the discharge port 114 come into contact with each other, the contact angle between the louver 116 and the discharged air is changed every time by the rotation of the louver motor so that the louver 116 This forces the discharge 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 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. 4.

4 is an exploded perspective view showing the internal configuration of the indoor unit of the air conditioner 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 "wh" 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 exterior of the indoor unit 100 front and rear, shielding the inside 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 bottom of the base support 142 to be described below.

That is, the upper end of the cabinet 130 is provided with an insertion hole 132 that is bent upward after protruding outward so that one side of the lower end of the base support 142 may be accommodated therein, and the lower end of the cabinet 130 has a fastening flange having a rectangular plate shape ( 134 protrudes outward.

Therefore, when the insertion hole 132 and the fastening flange 134 are fastened to the lower 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 to 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 in conjunction with the fan motor 172 that generates a rotational power when the power is applied, generates a suction force in the upper direction to the center portion and from the inner side to the outer circumferential direction Will generate wind power.

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 axially coupled with the indoor fan 170 so as not to fall to the lower side, and after the upper surface of the motor mount 176 is in contact with the bottom surface of the base 140. It is fastened by a fastening member (not shown).

Therefore, the indoor fan 170 may occupy a predetermined position in the center of the cabinet 130 without falling down, and may be firmly supported by the motor mount 176 even when rotating at a high speed.

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 allow the above-mentioned foreign material blocking means 200 to be fastened by a fastening member (not shown), and the line segments connecting the fastening holes 184 respectively form an equilateral triangle.

Therefore, when the fastening member penetrating one side of the foreign material blocking means 200 is fastened in the fastening hole 184, the foreign material blocking means 200 is not separated from the lower cover 196.

The foreign material blocking means 200 is installed on the lower side of the lower cover 196, more specifically, on the inner side of the lower end of the orifice 180. The foreign material blocking means 200 is to block the lower side of the indoor fan 170 to block the sharp and sharp foreign material from flowing upwards, and to prevent the indoor fan 170 and the foreign material from contacting each other.

Hereinafter, the configuration of the foreign material blocking means 200 will be described in detail with reference to FIG. 5.

Figure 5 is a perspective view showing the appearance of the foreign matter blocking means that is the main configuration of the indoor unit of the air conditioner according to the present invention.

As shown in the figure, the foreign material blocking means 200 is formed as a grating having a disk-like appearance as a whole, shielding the orifice hole 182 large to prevent the foreign material is inserted into the indoor fan 170. 210 and an engaging portion 220 extending outward from the edge of the shielding portion 210 and fastened to the fastening hole 184 to prevent the shielding portion 210 from being separated from the orifice 180. It is configured to include).

The shielding part 210 serves to block the foreign material from penetrating through the drain pan 150, and more specifically, the lower part of the orifice 180 is located inside the lower part of the orifice hole 182. As a result, the opened lower portion of the orifice hole 182 is shielded.

Therefore, the outer diameter of the shielding portion 210 is preferably formed to correspond to the inner diameter of the orifice hole 182, the outer peripheral surface of the shielding portion 210 when the shielding portion 210 is inserted into the orifice hole 182 3 is in linear contact with the inner circumferential surface of the orifice hole 182, as shown in FIG.

Outwardly from the shielding portion 210, the coupling portion 220 is formed in plurality, more specifically three protrusions. The coupling part 220 is integrally formed with the shielding part 210 to maintain the state in which the coupling part 220 is firmly coupled with the shielding part 210, and is formed at a position corresponding to the fastening hole 184.

Therefore, when the coupling part 220 is coupled to the fastening hole 184 and restrained, the shielding part 210 is supported by the coupling part 220 so as not to move inside the orifice ball 182.

And, the outer end of the coupling portion 220 is formed with an insertion ring 222 to be fastened by the fastening hole 184 and the fastening member. The insertion ring 222 is formed in an annular shape at the end of the coupling portion 220 is punctured inside, the fastening member inserted into the perforated interior of the insertion ring 222 is fastened to the fastening hole 184 the foreign material The blocking means 200 is restricted from the orifice 180 is separated.

A plasma filter (refer to reference numeral 190 of FIG. 4) is provided below the foreign material blocking means 200. The plasma filter 190 generates plasma to charge and adsorb foreign substances contained in the air, and the front and rear ends thereof are coupled to one side of the bottom surface of the orifice 180 and the drain pan 150 by a fastening member.

Therefore, the air filtered by the air filter 124 is once more purified by the plasma filter 190 to prevent the loading of foreign matter inside the indoor unit 100, and more comfortable air is discharged to the room.

Meanwhile, reference numeral 142 of FIG. 3 is a base support 142. The base support 142 is fixedly coupled between the base 140 and the cabinet 130, due to the load when the load of the fan motor 172 and the indoor fan 170 is supported by the base 140 It is a configuration for preventing deformation of the base 140.

Hereinafter, the operation of the indoor unit of the air conditioner having the above configuration will be described with reference to FIGS. 3 and 4.

First, when power is applied to the indoor unit 100 in the state as shown in FIG. 4, the fan motor 172 is rotated by receiving power, and the indoor fan 170 is interlocked by the rotation of the fan motor 172. This forces the air flow.

That is, the suction force in the upper direction is generated to the lower central portion of the indoor fan 170, and the wind power is generated in the outer circumferential direction.

Therefore, the suction force generated in the lower side of the indoor fan 170 is transmitted to the suction grill 120 so that the indoor air is forced to flow into the indoor unit 100. The indoor air sucked into the indoor unit 100 flows upward through the inlet 112 and the through hole 154 after being filtered by the air filter 124.

The air flowing upward is guided by the orifice hole 182 and flows into the inner center of the indoor fan 170. The air introduced into the indoor fan 170 is forced to blow toward the outer circumferential surface, and is cooled by heat exchange with the indoor heat exchanger 160.

The indoor air cooled by this process is guided by the cabinet 130 and the base 140 and is 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.

Hereinafter, the process of mounting the foreign material blocking means 200 on the orifice 180 will be described with reference to FIGS. 3 to 5.

First, in order to couple the foreign matter blocking means 200 separated from the orifice 180 as shown in FIG. 4, the insertion ring rotates while the shielding portion 210 is inserted into the lower side of the orifice hole 182. 222 and the fastening hole 184 to match the position.

When the central position of the insertion ring 222 and the fastening hole 184 is placed on the same vertical line, the fastening member is fastened. When the fastening of the fastening member is completed, the coupling part 220 maintains the state coupled to the lower surface of the orifice 180, and the shielding part 210 formed integrally with the coupling part 220 is the coupling part 220. It is supported by and is controlled to fall downward.

At this time, the outer circumferential surface of the shielding portion 210 is in line contact with the inner circumferential surface of the lower end of the orifice hole 182, as shown in Figure 3, the open lower end of the orifice hole 182 to the foreign material blocking means 200 Are completely shielded.

The insertion ring 222 and the fastening hole 184 is coupled to the foreign matter blocking means 200 in a simple process coupled by a fastening member (not shown) is completed.

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.

In the indoor unit of the air conditioner according to the present invention having the configuration as described above, the foreign matter blocking means for blocking the inflow of foreign matter in the lower side of the indoor fan to generate the air flow so that the indoor air is discharged after entering the indoor unit. .

Therefore, damage to the indoor fan due to contact with foreign matters is prevented in advance, and there is an advantage that the safety of the worker is secured when performing the service.

In addition, in the indoor unit of the air conditioner according to the present invention, since the foreign matter blocking means is mounted by the fastening member, it is configured to allow selective separation.

Therefore, there is an advantage that the mounting is easy and the serviceability is improved.

In addition, the user is expected to improve the product satisfaction due to the above advantages.

Claims (6)

In the indoor unit of the air conditioner to match the indoor cantilever, An indoor fan forcing air flow so that indoor air passes through the indoor unit; An orifice for guiding the indoor air introduced into the indoor unit to flow to the indoor fan; Is provided on one side of the orifice indoor unit of the air conditioner, characterized in that it comprises a foreign matter blocking means for blocking foreign material inflow into the indoor fan. The indoor unit of an air conditioner according to claim 1, wherein the foreign material blocking means is selectively detachable from the orifice. The indoor unit of an air conditioner according to claim 2, wherein an orifice hole is formed in the orifice to guide air flow. The foreign material blocking means according to any one of claims 1 to 3, A shielding portion formed in a grid shape to block foreign matter from being inserted into the indoor fan; The air conditioner indoor unit is characterized in that it comprises an engaging portion extending from the shield to the outside and one side is fixed to the orifice so that the shield is not separated from the orifice. The indoor unit of an air conditioner according to claim 4, wherein the shielding portion is formed to have an outer diameter corresponding to the inner diameter of the orifice hole. The indoor unit of an air conditioner according to claim 5, wherein the coupling part is provided in plural numbers, and an insertion ring is formed at one end thereof so that the fastening member can be inserted.

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