KR20080056936A - Indoor unit for air conditioner - Google Patents

Abstract

An indoor unit of an air conditioner is provided to protect a front panel from oil leaking through a refrigerant pipe joint by removing the leaking oil in an oil collecting unit, and to increase durability of the indoor unit as one part of the oil collecting unit is configured to support a refrigerant pipe and refrigerant pipe joint. An indoor unit of an air conditioner comprises a front panel, an indoor heat exchanger, a refrigerant pipe joint(162), a cabinet, and an oil collecting unit(300). The front panel forming a lower exterior of the indoor unit guides suction and discharge of indoor air. The indoor heat exchanger performs heat transfer between indoor air and refrigerant. The refrigerant pipe joint communicates the indoor heat exchanger and refrigerant pipe with each other to guide refrigerant flow. The cabinet forming a side exterior of the indoor unit, protects a plurality of components installed above the front panel. The oil collecting unit is installed one side of the cabinet to collect oil leaking through the refrigerant pipe joint.

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 inside of the indoor unit by separating the front panel from the indoor unit of the air conditioner 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 an exploded perspective view showing a kit box of one configuration in the indoor unit of the air conditioner according to the present invention.

Figure 5 is a partial longitudinal cross-sectional view showing a state in which the grill lifting means of one configuration in the indoor unit of the air conditioner according to the present invention mounted on the orifice.

Figure 6 is a bottom perspective view showing a state in which the drain pan and the cabinet is coupled to the indoor unit of the air conditioner according to the present invention.

Figure 7a is a perspective view showing the front appearance of the collecting bracket constituting the main portion in the indoor unit of the air conditioner according to the present invention.

Figure 7b is a rear view showing the rear appearance of the collecting bracket constituting the main portion of the indoor unit of the air conditioner according to the present invention.

Figure 8 is a bottom perspective view showing a state in which the collecting means is installed on the outer surface of the cabinet in 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 118. Motor cover

119. Motor repair cover 120. Suction grill

122. Airflow 130. Cabinet

132. Connector outlet hole 134. Bracket fastening groove

136. Projection Jam Hole 140. Base

142.Air Guide 150.Drain Pan

154. Through hole 160. Indoor heat exchanger

162. Refrigerant pipe connection 170. Indoor fan

172. Fan motor 180. Orifice

182. Orifice Ball 190. Plasma Filter

192. Filter Bracket 194. Dust Collector Filter

196. Control Box 198. Printed Circuit Boards

200. Grill lift means 220. Lift kit

222. Fastening hole 224. Drive part

226. Roller section 228. Kit box

228 '. Body Box 228 ". Box Cover

229. Through holes 230. Lift control unit

240.Wire 260.Kit Bracket

262. Insertion hole 300. Collecting means

320. Collection plate 340. Collection bracket

342. Reinforcement 343. Screw insertion hole

344. Supporting projections 346. Supporting ribs

346'.Coffin Supports 348.

349. Molded ribs

The present invention relates to an indoor unit of an air conditioner, and more particularly, to an indoor unit of an air conditioner having a collecting means for collecting compressor oil leaked through a refrigerant pipe connector.

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

That is, the multi-type air conditioner is connected to a plurality of indoor units in one outdoor unit, and the indoor unit is installed in each room for air conditioning, it is possible to obtain the effect of installing a plurality of air conditioners.

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 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 louver motor (not shown) that generates rotational power to rotate the air flow direction.

In addition, the louvers 14 are configured such that end portions adjacent to each other are connected and interlocked by the joints 16. That is, the joint 16 is connected between the four louvers to operate simultaneously, one of the four joints is coupled to the louver motor.

Therefore, when the louver motor is operated to generate rotational power, the rotational power is transmitted to the joint 16 to rotate the four louvers 14.

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 inside through the inlet 22, and is formed of a flexible material and blocks loading of foreign materials 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.

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.

A refrigerant pipe connector 72 is provided at the front end of the indoor heat exchanger 70. The refrigerant pipe connector 72 is connected to the indoor heat exchanger 70 and the outdoor unit (not shown) by the refrigerant pipe (not shown) to guide the refrigerant to flow.

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.

However, the prior art having the above configuration has the following problems.

That is, since the refrigerant pipe connector is connected to the refrigerant pipe, not only the refrigerant but also the oil discharged from the compressor flows into the refrigerant pipe connector.

In addition, the refrigerant pipe connector is frequently disconnected from the refrigerant pipe due to the physical properties (high expansion rate) of the refrigerant flowing through the oil leakage occurs.

Therefore, the oil leaked through the refrigerant pipe connector falls down and comes into contact with the top surface of the front panel. In this case, the oil may cause a chemical reaction with the front panel formed of plastic to cause cracks.

In addition, when the front panel is damaged, the heat exchange efficiency is lowered, which is not preferable.

Therefore, an object of the present invention for solving the above problems is, by further comprising a collecting means on one side of the cabinet to collect the oil of the compressor leaked through the refrigerant pipe connection air conditioning to block the contact between the front panel and the oil It is to provide indoor unit of group.

Another object of the present invention is to provide an indoor unit of an air conditioner to improve durability by configuring one side of the collecting means to support the refrigerant pipe connector and the refrigerant pipe.

An indoor unit of an air conditioner according to the present invention includes: a front panel which forms a part of an outer surface of the air conditioner and guides intake / exhaust of indoor air; An indoor heat exchanger for heat-exchanging indoor air with a refrigerant; A refrigerant pipe connector for guiding refrigerant flow by communicating the indoor heat exchanger with the refrigerant pipe; And a cabinet for forming a side appearance and protecting a plurality of components installed on the front panel, wherein one side of the cabinet is provided with a collecting means for collecting oil leaked through the refrigerant pipe connector. do.

The collecting means may be installed in front of the connector outlet hole which is drilled on one side of the cabinet so that one end of the refrigerant pipe connector is coupled to the indoor heat exchanger.

The collecting means may include a collecting plate for forming an oil collecting space for collecting oil, and a collecting bracket for supporting the collecting plate by being coupled to the front surface of the cabinet while restraining a rear end of the collecting plate. .

One side of the cabinet and the collecting bracket is characterized in that it is provided with a projection engaging hole and the locking projection is coupled to each other so that the upper portion of the collecting bracket is constrained to the cabinet.

At one side of the upper end of the collecting bracket, a portion of the collecting bracket is formed to correspond to the appearance of the refrigerant pipe connector, and a pipe support part supporting the refrigerant pipe connector is provided.

On one side of the rear surface of the collecting bracket, a mold fitting rib protruding rearward to be mated with the connector outlet hole is provided.

According to the present invention configured as described above, there is an advantage that the breakage of the front panel, which may be caused by a chemical reaction when the oil contacts the upper surface of the front panel, is prevented in advance.

Hereinafter, the configuration of the indoor unit of the air conditioner according to the present invention will be described in detail with reference to FIGS. 2 and 3.

2 is a bottom perspective view showing the interior of the indoor unit by separating the front panel from the indoor unit of the air conditioner 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 is shown have.

As shown in these figures, the indoor unit 100 of the air conditioner has an upper portion inserted into the ceiling and fixed, and 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 a cabinet 130 forming an upper appearance of the indoor unit 100 and having a plurality of parts built therein, and a plurality of parts mounted to the inside of the indoor unit 100 while shielding the upper surface of the cabinet 130. The overall appearance is formed by a base (reference numeral 140 in FIG. 3) supporting a load of.

The front panel 110 has a rectangular plate shape in which a center portion is perforated in a rectangular shape, and a suction port 112 is provided at the center portion of the front panel 110. The suction grille 120 is positioned in the suction port 112 to selectively filter foreign substances in the air introduced into the indoor unit 100 through the suction port 112.

To this end, the suction grill 120 is formed to have a size corresponding to the suction port 112 in order to prevent the air containing the foreign matter into the indoor unit 100, and in the air on the upper surface of the suction grill 120 It is preferable that an air filter (not shown) for selectively filtering the contained foreign matter is installed.

The air filter is formed of a flexible material, and a fine hole (not shown) is perforated in the entire surface. Therefore, foreign matters in the air introduced into the indoor unit 100 through the suction port 112 do not pass through the micro-pores and remain attached to the lower surface of the air filter (not shown) so that the foreign matters inside the indoor unit 100. Loading is prevented beforehand.

In addition, the suction grill 120 serves to guide the indoor air to be introduced into the indoor unit 100, and for this purpose, an air flow hole is long at equal intervals on the front surface of the suction grill 120. 122 is formed.

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 again.

Then, the front / rear left / right of the front panel 110 is 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 the inside of the indoor unit 100 is formed to communicate with the room. .

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 both ends.

A louver motor (not shown) is coupled to one end of the louver 116. The louver motor generates rotational power when power is applied, and is coupled to the louver 116 to transmit rotational power to the louver 116.

The louver motor is provided in a number corresponding to the plurality of louvers (116). That is, one louver motor is coupled to one louver 116. Accordingly, by selectively operating the plurality of louver motors, the plurality of louvers 116 may be independently operated.

More specifically, only one of the four louver motors may be operated so that only one louver 116 axially coupled thereto may be repeatedly rotated by a predetermined angle, and all the louvers 116 may be rotated by operating all four louver motors. There will be.

As a result, 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. The discharged air is forced to be discharged in various directions.

The motor cover 118 is provided at the upper edge portion of the front panel 110. The motor cover 118 is shielded so that the louver motor is not exposed to the upper side as the louver motor is installed in the upper edge portion of the front panel 110, four are provided in the same shape.

In addition, a motor repair cover 119 is provided at a lower side of the lower side of the front panel 110, that is, spaced apart from the motor cover 118. The motor repair cover 119 is configured to selectively replace the louver motor by being selectively separated from the front panel 110 when the louver motor breaks down.

The drain pan 150 is provided above the front panel 110. The drain pan 150 is configured to collect the condensed water generated on the outer surface of the indoor heat exchanger 160 when the refrigerant passing through the interior of the indoor heat exchanger 160 and the indoor air heat exchange will be described below. It is formed larger than the outer size of the indoor heat exchanger (160).

In addition, an upper surface of the drain pan 150 is provided with a collecting space (not shown) recessed downward. Since the lower end of the indoor heat exchanger 160 is accommodated and seated in the collecting space, the condensed water formed on the outer surface of the indoor heat exchanger 160 flows downward to be accommodated in the collecting space.

In addition, the drain pan 150 simultaneously serves to guide the air purified by the air filter 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.

An indoor heat exchanger 160 is installed on the upper surface of the drain pan 150, and more specifically, on the upper side of the collecting space (not shown). The indoor heat exchanger (160) is for heat-exchanging indoor air purified by an air filter, and a refrigerant that heat-exchanges with indoor air flows therein.

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 (not shown).

The right end of the indoor heat exchanger 160 is connected to a refrigerant pipe (not shown) for connecting one end of the refrigerant pipe (not shown) to guide the refrigerant flow between the outdoor unit (not shown) and the indoor heat exchanger (160). Reference numeral 162 is provided. That is, the refrigerant pipe connector 162 has a left end coupled to the right end of the indoor heat exchanger 160 and the right end connected to the refrigerant pipe.

Therefore, the refrigerant exiting the outdoor unit can be introduced into the indoor heat exchanger 160 via the refrigerant pipe and the refrigerant pipe connection port 162.

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.

Then, 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 140 to be described below.

Therefore, when the base 140 and the front panel 110 are coupled to the upper and lower ends of the cabinet 130, a space is formed inside the indoor unit 100 so that a plurality of parts can be built.

An air guide 142 is provided between the cabinet 130 and the indoor heat exchanger 160. The air guide 142 has a hollow rectangular tube shape to prevent the air heat-exchanged with the refrigerant from leaking out of the cabinet 130 while flowing outward from the inside of the indoor heat exchanger 160.

Therefore, the cross-sectional size of the air guide 142 is preferably larger than the indoor heat exchanger 160 and smaller than the front panel 110.

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 from the inner side toward the outer peripheral surface direction The wind is generated outside.

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.

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 plasma filter 190 is provided on the lower left side of the orifice 180. The plasma filter 190 generates plasma to charge and adsorb foreign substances contained in the air, and the front and rear ends are coupled to one side of the bottom surface of the orifice 180 by a fastening member.

To this end, a filter bracket 192 is provided above the plasma filter 190. The filter bracket 192 prevents the plasma filter 190 from being separated by generating a restraining force in a state in which the plasma filter 190 is accommodated therein, and the filter bracket 192 is disposed on the bottom surface of the orifice 180. Combined.

Therefore, the plasma filter 190 constrained by the filter bracket 192 is supported by the filter bracket 192 without falling down as the filter bracket 192 is coupled to the orifice 180. It is possible to maintain a certain position.

In addition, a dust collecting filter 194 is further provided between the filter bracket 192 and the plasma filter 190. The dust collecting filter 194 is used to filter out fine foreign matter that has not been removed once even though the secondary filter is filtered to the air filter (not shown) and the plasma filter 190, and selectively from the filter bracket 192. It is detachably mounted.

Therefore, the indoor air purified in three stages through the air filter, the plasma filter 190, and the dust collecting filter 194 does not generate foreign matter loading in the indoor unit 100, thereby making the room more comfortable. do.

The control box 196 is provided on the lower right side of the orifice 180. The control box 196 is a configuration for controlling the operation of the indoor unit 100, a space of a predetermined size is formed inside the printed circuit board 198 is generally embedded.

On the other hand, the grill lifting device 200 is provided before and after the lower surface of the orifice 180. The grill lifting means 200 is for selectively lifting the suction grill 120, it is installed between the orifice 180 and the front panel 110.

Hereinafter, the configuration of the grill lifting means will be described in detail with reference to FIGS. 4 and 5.

Figure 4 is an exploded perspective view showing a kit box of one configuration in the indoor unit of the air conditioner according to the present invention, Figure 5 is mounted on the orifice grill lifting means of one configuration in the indoor unit of the air conditioner according to the present invention. A partial longitudinal cross-sectional view is shown.

As shown in these figures, the grill lifting means 200 is fixed to the lower surface of the orifice 180, for this purpose, the kit bracket 260 is provided on the left / right side of the grill lifting means 200. The kit bracket 260 supports the load so that the grill lifting means 200 can be mounted to the orifice 180.

That is, the kit bracket 260 is formed by bending the rectangular plate material to be orthogonal, and the two orthogonal surfaces are respectively coupled to one side of the outer surface of the lifting kit 220 and the lower surface of the orifice 180 to be described below.

More specifically, the kit bracket 260 is provided with a plurality of insertion holes 262 into which the fastening member is inserted, and the insertion hole 262 is formed on the outer surface of the orifice 180 and the kit box 228 to be described below. A number of fastening holes 222 corresponding to are formed.

Therefore, when the fastening member is inserted into the insertion hole 262 of the kit bracket 260 and then the end of the fastening member is fastened to the fastening hole 222, the grill lifting means 200 is the kit bracket 260 The load is supported so that it is not separated from the lower surface of the orifice 180.

Hereinafter, the configuration of the grill lifting means 200 in detail, the grill lifting means 200 is a plurality of lifting kits 220 for generating a rotational power to force the up / down flow of the suction grill 120 And, the lower end is coupled to the suction grill 120, the upper end is selectively wound on the roller unit 226 to be described below to transfer the rotational power generated by the lifting kit 220 to the suction grill 120 And 240.

Therefore, when the lifting kit 220 pulls the wire 240, the suction grill 120 flows upward to shield the suction port 112, and the lifting kit 220 wires 240. When the length of the inlet 112 is maintained in an open state.

Looking in more detail, the lifting kit 220 is a drive unit 224 for generating rotational power, a roller unit 226 for selectively winding the wire 240 in conjunction with the drive unit 224, and the drive unit 224 and the roller portion 226 is accommodated therein, and comprises a kit box 228 to form the appearance of the lifting kit 220.

In addition, any one of the plurality of lifting kits 220 is provided with a lifting control unit 230 for controlling the operation of all the driving unit 224 respectively provided in the lifting kit 220.

Accordingly, the plurality of driving units 224 may be controlled by one lifting control unit 230 to generate rotational power in the forward or reverse rotation direction.

The drive unit 224 is applied to a motor that can generate rotational power when the power is applied, the roller unit 226 is rotated by the rotational power generated by the drive unit 224 wound the wire 240 on the outer peripheral surface or Solved.

To this end, a pulley (not shown) may be formed on one side of the driving unit 224 and the roller unit 226, and a belt (not shown) may be installed on the pulley to have a tensile force, and the driving unit 224 and the roller may be installed. The drive unit 224 and the roller unit 226 may be interlocked by providing a gear (not shown) on one side of the unit 226 so that the pair of gears are engaged with each other.

One end of the wire 240 (the opposite side of the end coupled to the discharge grill) is fixed to the outer circumferential surface of the roller unit 226. This is to prevent the wire 240 from being separated from the roller portion 226 when the roller rotates to completely loosen the wire 240.

On the other hand, the driving unit 224 and the roller unit 226 is built in the kit box 228 described above. The kit box 228 has a long rectangular parallelepiped shape, a box body 228 'which forms a space therein, and a box cover 228 "which shields the opened upper surface of the box body 228'. It is configured to include.

Accordingly, the box cover 228 ″ may be coupled to the upper end of the box body 228 ′ while the driving unit 224, the roller unit 226, and the lift control unit 230 are installed in the box body 228 ′. Then, the components installed inside the box body 228 'are not exposed to the outside.

Upper and lower centers of the kit box 228 are formed with a through hole 229 which is perforated in a circle so that the wire 240 penetrates. The through-hole 229 is a configuration for guiding the wire 240 to be drawn out of the kit box 228, corresponding to the position of the box cover 228 "and the box body 228 ' It is formed in size and shape.

Accordingly, the wire 240 can be selectively drawn out through the through hole 229 formed in the box body 228 'and the box cover 228 ", which selectively determines the mounting position of the kit box 228. To do this.

That is, the kit box 228 is shown in Figure 5, the kit bracket 260 is coupled to the upper outer surface may be fixed to the orifice 180, if necessary coupled to the state as shown in Figure 5 The kit box 228 and the kit bracket 260 are rotated so that the upper surface is placed on the lower side, and then the kit box 228 is seated on the upper surface of the front panel 110 by being coupled to one side of the upper surface of the front panel 110. It can also be fixed in a state.

At this time, since the suction grill 120 is close to the box cover 228 ", the wire 240 is drawn out through the through hole 229 formed in the box cover 228" and then the suction grill 120 and Preferably combined.

Hereinafter, with reference to Figures 6 to 8 attached to the configuration of the collecting means (reference numeral 300 of Figure 8) for blocking the oil leaked through the refrigerant pipe connector 162 so as not to fall to the upper surface of the front panel (110). Explain.

FIG. 6 is a bottom perspective view showing a state in which a drain pan and a cabinet are coupled to an indoor unit of an air conditioner according to the present invention, and FIGS. 7A and 7B illustrate main parts of an indoor unit of an air conditioner according to the present invention. The front / rear appearance of the collecting bracket is shown, and FIG. 8 is a bottom perspective view showing the collecting means installed on the outer surface of the cabinet in the indoor unit of the air conditioner according to the present invention.

As shown in these figures, the collecting means 300 is composed of a plurality of parts to collect the oil discharged from the compressor. That is, the collecting means 300 is coupled to the front surface of the cabinet 130 in a state in which a holding plate 320 having a substantially rectangular container shape and a rear end portion of the collecting plate 320 are constrained. It is configured to include a collecting bracket 340 for supporting.

An upper surface of the collecting plate 320 is recessed in a downward direction to form a collecting space (not shown), and the collecting space is maintained at a lower side of the refrigerant pipe connector 162. Therefore, even if the oil leaked into the gap between the refrigerant pipe connector 162 and the refrigerant pipe falls in the downward direction, the collecting plate 320 collects oil in the collecting space formed on the upper surface to make contact between the front panel and the oil. Will be blocked.

At the rear end of the collecting plate 320, a collecting bracket 340 is provided. The collecting bracket 340 is coupled to one side of the cabinet 130 to support the collecting plate 320 as described above, and at the same time serves to support the refrigerant pipe connector 162 upwards. .

That is, the collection bracket 340 passes through the front of the cabinet 130 and the drain pan 150 simultaneously so that the refrigerant pipe connector 162 can be drawn out from the inside of the drain pan 150. It is installed in front of the formed connector withdrawal hole 132.

The connector outlet hole 132 is formed larger than the cross-sectional size of the refrigerant pipe connector 162 so that the refrigerant pipe connector 162 can be drawn out without interference. In addition, the bracket fastening groove 134 is provided at a lower side spaced apart from the left / right side of the connector outlet hole 132.

The bracket fastening groove 134 is where the end of the fastening member penetrating one side of the collecting bracket 340 is fastened. That is, the bracket fastening groove 134 is formed in a position and size corresponding to the screw insertion hole 343 to be described below, by fastening each other with a fastening member such as a screw, the collecting bracket 340 is a cabinet 130 ) Do not depart from

The left side of the connector outlet hole 132 is provided with a projection engaging hole 136 perforated in a square shape. The protrusion catching hole 136 is a place where the catching protrusion 348 to be described below is inserted, and is configured to constrain the upper portion of the collecting bracket 340 to the cabinet 130.

Hereinafter, the configuration of the collecting bracket 340 will be described in more detail with reference to FIGS. 7A and 7B. The collecting bracket 340 has a substantially plate shape, and a reinforcing part 342 recessed rearward in a square shape at the bottom of the front surface. ) Is provided. The reinforcement part 342 is formed up and down, respectively, and serves to reinforce the strength of the collecting bracket 340.

The left / right side of the reinforcement part 342 is provided with a screw insertion hole (343) perforated in a circle. The screw insertion hole 343 is fastened to the bracket fastening groove 134 and the fastening member described above, and is formed at a position corresponding to the bracket fastening groove 134.

"형상의 종단면을 가지며, 상기 집유브라켓(340)의 전면 좌/우측에 각각 한 개씩 형성된다.The support protrusion 344 is provided on the upper side spaced apart from the reinforcement part 342. The support protrusion 344 is inserted into one side of the collecting plate 320, which is approximately "

"Has a longitudinal cross-section, one each formed on the front left / right side of the collecting bracket 340.

Therefore, when the support protrusion 344 is inserted into one side of the collecting plate 320, the collecting plate 320 is supported by the support protrusion 344 to maintain a state as shown in FIG.

The upper end of the collecting bracket 340 is provided with a support rib 346 protruding forward with a predetermined width. The support rib 346 contacts the lower outer circumferential surface of the refrigerant pipe connector 162 to upwardly support the refrigerant pipe connector 162 and is integrally formed with the collecting bracket 340.

That is, the left and right sides of the support ribs 346 are provided with rounded tube support parts 346 'so as to have curvature in the downward direction, and the upper surface of the pipe support part 346' is formed on the refrigerant pipe connector 162. Contact with the outer circumferential surface makes it possible to support the load of the refrigerant pipe connector 162.

A locking protrusion 348 is provided at the upper end of the central portion of the support rib 346. The locking protrusion 348 is inserted into the above-described protrusion locking hole 136 to allow the upper portion of the collecting bracket 340 to be constrained to the cabinet 130. The locking protrusion 348 has a substantially rectangular plate shape and the protrusion locking hole 136. It has an area slightly larger than the area of.

Therefore, when the tilting the collecting bracket 340 is inclined and then inserts the locking projection 348 into the projection engaging hole 136 to contact the rear of the collecting bracket 340 and the front of the cabinet 130, the collecting The upper portion of the bracket 340 is constrained by the cabinet 130.

The upper portion of the rear surface of the collecting bracket 340 is provided with a mold rib 349, as shown in Figure 7b. The shaping rib 349 is inserted into the connector outlet hole 132 to increase the coupling force between the collecting bracket 340 and the cabinet 130.

That is, the upper end of the mold matching rib 349 is formed to correspond to the shape of the tube support part 346 ', and the lower part is formed to have a size corresponding to the lower part of the connector outlet groove. Thus, when the locking projection 348 is inserted into the projection locking hole 136 when the lower portion of the collecting bracket 340 is rotated with respect to the locking projection 348 to approach the cabinet 130, the The forming rib 349 is fitted into the connector drawing hole 132 and fitted.

Hereinafter, the operation of the indoor unit of the air conditioner having the above configuration will be described with reference to FIGS. 2 and 3.

First, in FIG. 2, in the state where the front panel 110 is close to the bottom surface of the drain pan 150 and the coupling is completed, when the power is applied to the indoor unit 100, the fan motor 172 receives the rotational force. The rotational force generated from the fan motor 172 generates the flow of air by rotating the indoor fan 170.

That is, the suction force in the upward direction is generated to the lower center portion of the indoor fan 170, and the sucked air is discharged toward the outer circumferential surface.

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 is filtered by an air filter (not shown) after passing through the inlet 112.

Thereafter, the air filtered by the air filter is filtered again by the plasma filter 190 and the dust collecting filter 194, and the purified indoor air is guided by the orifice hole 182 and is inside the indoor fan 170. It flows into the center. 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 air guide 142 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 operation of the grill lifting means 200 will be described with reference to FIGS. 2 and 5.

First, in the state in which the suction grill 120 is located inside the front panel 110, power is applied to the driving unit 224 to generate rotational power.

When the driving unit 224 generates rotational power, the roller unit 226 is interlocked with the driving unit 224 to release the wire 240 wound on the roller unit 226. In this case, the driving direction of the driving unit 224 is opposite to the case where the driving unit 224 and the roller unit 226 are coupled by a belt (not shown) and the case is coupled by a gear (not shown).

In other words, when the driving unit 224 and the roller unit 226 are coupled by a belt (not shown), the driving unit 224 rotates in the same direction as each other. Since the rotation in the opposite direction to each other, the drive unit 224 should be rotated in the clockwise direction.

When the wire 240 is released by the rotation of the roller unit 226, the suction grill 120 flows downward from the center of the front panel 110, the user of the suction grill 120 The air filter seated on the upper surface can be removed.

The air filter separated from the suction grill 120 is cleaned or replaced, and after the air filter is installed in the suction grill 120 again, the driving unit 224 is rotated in the opposite direction to raise the suction grill 120. This shields the suction port.

Hereinafter, a process in which the collecting means 300 is coupled to the front surface of the cabinet 130 will be described with reference to FIGS. 6 to 8. Before the collecting means 300 is coupled to the cabinet 130, the refrigerant pipe connector 162 protrudes through the connector outlet hole 132 inside the drain pan 150.

In order to couple the collecting means 300 to the cabinet 130, first, the collecting bracket 340 is inclined in a state as shown in FIG. 6, and then the locking protrusion 348 is inserted into the protrusion locking hole 136. After the locking protrusion 348 is inserted into the protrusion locking hole 136, the lower portion of the collecting bracket 340 is brought into proximity with the front surface of the cabinet 130.

In this case, the matching ribs 349 are inserted into the connector outlet hole 132 to be joined to each other, and the rear surface of the collecting bracket 340 is in contact with the front surface of the cabinet 130. In addition, the upper surface of the pipe support part 346 ′ is supported upward by contacting a lower outer circumferential surface of the refrigerant pipe connector 162.

Then, when the end of the fastening member inserted into the screw insertion hole 343 is fastened to the bracket fastening groove 134, the collecting bracket 340 is maintained in a state coupled to the front surface of the cabinet 130. .

According to the above process, when the collecting bracket 340 is installed in the cabinet 130, the support protrusion 344 protrudes forward. Therefore, the rear end of the collecting plate 320 is coupled to the support protrusion 344 to fix the collecting plate 320.

That is, the rear end of the collecting plate 320, although not shown is provided with a coupling portion of various shapes as long as it is within the range that the collecting plate 320 can maintain the state as shown in FIG. 8 when receiving the support protrusion 344. It may have been described above.

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 collecting plate 320 is configured to have a rectangular container shape, but any shape as long as it is within the range capable of collecting oil by forming a collecting space on the lower side of the refrigerant pipe connector 162. It is also possible to apply changes.

In the indoor unit of the air conditioner according to the present invention having the configuration as described above, by further comprising a collecting means on one side of the cabinet is configured to collect the oil of the compressor leaked through the refrigerant pipe connector.

Therefore, there is an advantage that the damage that may be caused by the chemical reaction upon contact between the oil and the front panel is prevented in advance.

In addition, in the present invention, by forming a pipe support rib on one side of the collecting bracket is configured to support the lower outer peripheral surface of the refrigerant pipe connector.

Therefore, the shake of the refrigerant pipe connection is prevented, there is an advantage that the noise is reduced.

In addition, since the durability of the product is improved and the failure rate is lowered, product satisfaction is expected to be improved.

Claims (6)

A front panel which forms part of an outer surface and guides intake / discharge of indoor air; An indoor heat exchanger for heat-exchanging indoor air with a refrigerant; A refrigerant pipe connector for guiding refrigerant flow by communicating the indoor heat exchanger with the refrigerant pipe; It has a configuration including a; forming a side appearance, the cabinet for protecting a plurality of parts installed on the front panel, One side of the cabinet, the indoor unit of the air conditioner, characterized in that the collection means for collecting the oil leaked through the refrigerant pipe connector. The method of claim 1, wherein the collecting means, The indoor unit of the air conditioner is punctured on one side of the cabinet is installed in front of the connector outlet hole for coupling one end of the refrigerant pipe connector with the indoor heat exchanger. The method of claim 2, wherein the collecting means, A collecting plate for collecting oil by forming a collecting space, Indoor unit of the air conditioner, characterized in that it comprises a collecting bracket which is coupled to the front of the cabinet in the state of restraining the rear end of the collecting plate to support the collecting plate. According to claim 3, One side of the cabinet and the collecting bracket, Indoor unit of the air conditioner is coupled to each other is provided with a projection catching hole and the locking projection to the upper portion of the collecting bracket is restrained in the cabinet. According to claim 3, At one side of the upper end of the collecting bracket, The indoor unit of the air conditioner, a part of which is formed to correspond to the appearance of the refrigerant pipe connector is provided with a pipe support for supporting the refrigerant pipe connector. The indoor unit of an air conditioner according to any one of claims 3 to 5, wherein a rear side protruding mold rib is formed at one side of the rear surface of the collecting bracket.

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