KR20080014591A - Air conditioner - Google Patents

Abstract

An air conditioner is provided to clean filters without dismounting the filters from a case through a filter cleaner sucking dust while moving on the filters, thereby preventing decreasing of functions and damage of the air conditioner due to contamination of the filters. A case(2) has air suction ports and air discharge ports. A blower is installed at a lower part in the case. A heat exchanger is installed at an upper part in the case. Filters(131,132) filter air sucked through the air suction ports. A filter cleaner cleans the filters while moving along with the filters. A drain unit(400) discharges dust sucked by the filter cleaner and condensate condensed at the heat exchanger.

Description

Air Conditioner

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

2 is a front view of the first embodiment of the air conditioner according to the present invention;

3 is an exploded perspective view of a first embodiment of an air conditioner according to the present invention;

4 is a longitudinal sectional view of the first embodiment of the air conditioner according to the present invention;

5 is a cross-sectional view of the first embodiment of the air conditioner according to the present invention;

6 is an exploded perspective view of the filter cleaner of the first embodiment of the air conditioner according to the present invention;

7 is a view showing the filter cleaner action of the first embodiment of the air conditioner according to the present invention;

8 is a cross-sectional view of the filter cleaner of the first embodiment of the air conditioner according to the present invention;

9 is an exploded perspective view of a main part of a second embodiment of an air conditioner according to the present invention;

10 is an exploded perspective view of an essential part of a third embodiment of an air conditioner according to the present invention;

11 is a cross-sectional view of a filter cleaner of a third embodiment of an air conditioner according to the present invention;

<Explanation of symbols on main parts of the drawings>

2: case 3, 4, 5: air intake

6,7,8: air outlet 60: base

70: cabinet 80: front upper panel

100: left suction panel 110: right suction panel

130: opening 131: left filter

132: right filter 133,134, 135: lower filter

136,137,138: center filter 150: front panel

200: inner cover 201: shielding member

210: door hole 260: filter door

261: front plate 270: center left filter guide

271: left filter guide rib 275: side opening

280: center right filter guide

281: right filter guide rib 285: side opening

290: lower plate 291; Bottom opening

300: filter cleaner 310: filter cleaner case

320: filter cleaner case drive unit 330: agitator

340: agitator drive unit 345: filter cleaner blower

350: filter cleaner dust collecting unit

The present invention relates to an indoor unit of an air conditioner capable of air conditioning such as cooling, heating, or purifying a room, and more particularly, to an air conditioner that can be automatically cleaned with a filter mounted on a case.

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

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

Such an air conditioner is provided with a filter which collects foreign substances in the air sucked into the air conditioner for protecting the components in the air conditioner as well as purifying the air in the air conditioning chamber.

As the filter performs the filter function by collecting the foreign matter in the air sucked into the air conditioner as described above, the amount of the foreign matter collected in the filter increases as the period of use of the filter is deteriorated, Interfering with the air flow through the air conditioner is reduced to the function of the air conditioner.

Therefore, the filter provided in the air conditioner should be replaced frequently or cleaned to remove the foreign matter collected in the filter.

However, the air conditioner according to the prior art as described above should be installed so that the filter is detachable for the replacement or cleaning of the filter, the layout of the filter or the installation method, as well as the layout of the components around the filter. There is a problem that is constrained.

In addition, since the air conditioner consumer or the driver needs to replace or clean the filter directly, the inconvenience of replacing or cleaning the filter, and the discomfort caused by the contamination of the filter may adversely affect the emotional quality. There is a problem.

In addition, in addition to the inconvenience described above, when the filter is installed inside the air conditioner, it is difficult to easily check the condition of the filter, so that the replacement or cleaning of the filter is often left unattended for a long time. There is a problem in that the emotional quality may be adversely affected by deterioration of the function of the air conditioner, and further, the filter or the air conditioner are burned out.

The present invention has been made to solve the above-mentioned problems of the prior art, the filter can be cleaned by a power-operated filter cleaner in the state of being installed in the case which is the exterior of the air conditioner filter, as well as its peripheral parts It is an object of the present invention to provide an air conditioner capable of eliminating the layout constraints of the filter, eliminating the need to replace or clean the filter by hand, and preventing the cleaning operation of the filter to be prevented.

The present invention for solving the above problems and the case having an air inlet and an air outlet; A blower located in the lower part of the case; A heat exchanger located at an upper side of the case; A filter for filtering the air sucked into the air inlet; A filter cleaner for cleaning the filter while moving along the filter; It provides an air conditioner including a drain unit for discharging the foreign matter cleaned by the filter cleaner and the condensed water generated in the heat exchanger.

The drain unit may include: a condensate drain flow path for guiding movement of the condensate in the heat exchanger; A filter cleaner drain flow path for guiding movement of the foreign matter cleaned by the filter cleaner; The drain condensation passage may be connected to the condensate drain passage and the filter cleaner drain passage, and may discharge the condensate and the foreign matter cleaned by the filter cleaner to discharge the condensate to the outside of the case.

The drain lamination passage may be located below the heat exchanger, and the condensate drain passage may be piped up and down.

The drain unit may include a drain damper to selectively connect the drain lamination passage to the condensate drain passage or the filter cleaner drain passage.

The drain unit may include a drain blower for pumping the condensate and the foreign matter cleaned by the filter cleaner.

The drain blower may be connected to the filter cleaner such that foreign matters of the filter may be sucked into the filter cleaner.

The filter cleaner may have a filter cleaner space in which foreign substances cleaning the filter are collected and connected to the drain unit.

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

1 is a perspective view of the first embodiment of the air conditioner according to the present invention, and FIG. 2 is a front view of the first embodiment of the air conditioner according to the present invention.

The air conditioner according to the present embodiment, the air inlet (3) (4) (5) and the air outlet (6) in the case (2) so that the indoor air is sucked through the case (2) forming the appearance and then discharged to the outside (7) (8) is formed.

The case 2 may be formed with an air inlet 3 at the bottom of the front surface, hereinafter referred to as the air inlet 3 of the reference numeral '3' the lower air inlet (3).

The case 2 may have air inlets 4 and 5 formed at both sides of the lower side, and air inlets 4 and 5 may be formed at both sides of the inclined front surface. The intake port 4 and 5 will be described as being limited, and the air intake port 4 is referred to as the left side air intake port 4, and the air intake port 4 is referred to as the right side air intake port 5. It is called.

The case 2 may have air outlets 6 and 7 formed on both sides of the front inclined sides, and air outlets 6 and 7 may be formed on both sides. The air outlet 6 and 7 are formed on both sides of the picture, and the air outlet 6 of the reference numeral '6' is referred to as the front left air outlet 6, and the reference numeral '7' The air outlet 7 of this is called the front right air outlet 7.

The case 2 may have an air discharge port 8 formed on an upper surface thereof, hereinafter referred to as an air discharge hole 8 by the upper surface air discharge port 8.

Figure 3 is an exploded perspective view of a first embodiment of the air conditioner according to the present invention, Figure 4 is a longitudinal sectional view of the first embodiment of the air conditioner according to the present invention, Figure 5 is a first embodiment of the air conditioner according to the present invention Cross section view.

Inside the case 2, the heat exchanger 118 for cooling or heating the air passing through the inside of the case 2 with the refrigerant, and sucking the indoor air into the case 2 to heat the heat exchanger ( A blower 120 for blowing heat to the outside of the case 2 after the heat exchange in 118 is installed.

The heat exchanger 118 is installed to be located in the upper side in the case (2).

The drain pan 119a receiving the condensed water generated by the heat exchanger 118 is installed below the heat exchanger 118. A condensate drain passage 119b for guiding the condensed water collected by the drain pan 119a to the outside of the case 2 is connected to the drain pan 119a.

The blower 120 is installed at a position shielded by a lower portion of the case 2, in particular, the service cover 200 described later.

The blower 120 includes a blower motor 121 installed in the lower part of the case 2, a turbo fan 122 installed on a rotating shaft of the blower motor 121, and the turbofan 122. ) And a fan housing 125 having an opening hole 123 formed on the front surface and a discharge hole 124 formed on an upper surface thereof, and an orifice installed on the front surface of the fan housing 125 to be located in the opening hole 123. And 126.

In addition, at least one filter 131, 132, 133, 134, 135, 136, 137 and 138 is installed in the case 2 to purify the air sucked into the case 2. do.

Hereinafter, in the present embodiment, the left and right filters 131 and 132 installed to be positioned at the left and right air intake ports 4, respectively, and the lower filter 133 installed to be located above the lower air intake port 4. 134, 135 and the center filter 136, 137, 138, which is located in front of the blower 120 is installed in the service cover 200 to be described later will be described.

The left and right filters 131 and 132 may be applied as prefilters that filter out large foreign substances in the air.

The left and right filters 131 and 132 may be fixedly installed in the case 2, or may be easily attached or detached for service. Hereinafter, the present invention is limited to being detachable in the present embodiment. Will be explained.

The lower filters 133, 134, 135 may be provided in plural numbers stacked in the vertical direction so that different types of filters may be disposed to gradually purify air.

That is, as an example, the lower filters 133, 134, 135 are provided with a total of three filters, the lower filter 133 stacked on the lowermost side of the three lower filters 133, 134, 135 ) Is applied as a pre-filter for filtering large foreign substances in the air, and the lower filter 134 stacked at the center is applied as a hepa filter, which is a high-performance filter for filtering fine dust, and the lower filter 135 stacked at the top is deodorized or It can be applied as a nano filter with excellent antibacterial performance.

The central filters 136, 137, and 138 may be provided in plural numbers stacked in front and rear directions so that different types of filters may be arranged to gradually purify air.

That is, as an example, the center filter 136, 137, 138 is provided with a total of three filters, the center filter 136 stacked in the foremost of the three center filters (136, 137, 138) Is applied as an optional filter such as a yellow dust filter or a deodorizing filter to be selectively mounted, and the central filter 137 laminated at the center is applied as a hybrid filter in which a plurality of polyurethanes having different densities and a nonwoven fabric are combined, and the rearmost. The central filter 138 stacked in the filter may be applied as a plasma electrostatic precipitating filter that ionizes and collects dust.

On the other hand, the case 2 is formed to be inclined as a whole with respect to the front center both sides of the front.

The case 2 includes a base 60, a cabinet 70 installed on an upper side of the base 60, and a front side, a top side and a bottom side thereof open, and a front upper panel disposed at an upper front of the cabinet 70. 80 and left and right suction panels 100 and 110 disposed between both lower portions of the front upper panel 80 and an upper surface of the base 60.

The base 60 is formed such that the lower air inlet 3 is rounded in a recessed shape from the front to the top thereof.

The base 60 is provided with left and right filter guides 64 and 66 to which the lower filters 133 and 134 and 135 are attached and detached in the front and rear directions, respectively.

 The cabinet 70 is mounted on the upper surface of the base 60 and then fastened to the base 60 by fastening means such as a screw and vertically disposed above and above the base 60.

The cabinet 70 includes a rear surface portion, a left surface portion formed to be orthogonal or inclined forward from the left end of the rear portion, and a right surface portion formed to be orthogonal or inclined forward from the right end of the rear portion.

The upper panel 72 is installed on the cabinet 70 so as to block the upper surface of the cabinet 70.

 The front upper panel 80 has a discharge port panel 82 having a front left air discharge port 6 formed on a front left side, a front right air discharge port 7 formed on a front right side, and an upper air discharge port 8 formed on a top surface thereof. It is configured to include.

A front left door 83 for opening and closing the front left air outlet 6 is slidably disposed on a front surface of the discharge port panel 82, and a front right door for opening and closing the front right air outlet 7. 84 is arrange | positioned so that left-right sliding is possible.

As shown in FIG. 4, the front drive panel 85 is installed on the front upper panel 80 to slide the front left door 83 and the front right door 84 to the left and right.

The door driving mechanism 85 allows the front left door 83 to open and close the front left air outlet 6 while sliding left and right along the front surface of the outlet panel 82, and the front right door 84 is closed. As shown in FIG. 4, the motor 86 installed at the center of the front surface of the discharge port panel 82 is configured to open and close the front right air discharge port 7 while sliding left and right along the front surface of the discharge port panel 82. And a pinion 87 arranged on a rotation shaft of the motor 86, a rack engaged with the pinion 87, and a left driving member 88 connected to the front left door 83, and the pinion ( A rack engaged with 87 is formed and includes a right driving member 89 connected to the front right door 84.

An upper door 90 for opening and closing the upper air discharge port 8 and an upper door motor (not shown) for rotating the upper door 90 are installed at an upper surface of the discharge port panel 82.

The front upper panel 80 further includes a door cover 92 that shields a center of the front surface of the discharge port panel 82.

The left side suction panel 100 is disposed between the left side surface portion of the front upper panel 80 and the top surface of the base 60, and the left side surface portion 101 having the left air intake port 4 extending vertically, and the front surface. It is composed of a front portion 102 disposed between the front left inclined portion of the upper panel 80 and the upper surface of the base 60.

As shown in FIGS. 4 and 5, the left intake panel 100 opens and closes the left air intake port 4, and a left intake vane for guiding indoor air sucked through the left air intake port 4. 104 and a left suction vane driving motor 104a for rotating the left suction vane 104 are provided.

The left suction panel 100 is provided with a left filter guide 106 in which the left filter 131 slides back and forth.

The right suction panel 110 is disposed between the right side surface portion of the front upper panel 80 and the top surface of the base 60 and the right side surface portion 111 having the right air intake port 5 extending vertically, and the front surface. It is composed of a front portion 112 disposed between the front right inclined portion of the upper panel 80 and the upper surface of the base 60.

As shown in FIGS. 4 and 5, the right suction panel 110 opens and closes the right air intake port 5 and guides the right air suction vane to guide indoor air sucked through the right air intake port 5. 114 and a right suction vane driving motor 114a for rotating the right suction vane 114.

The right suction guide 110 is provided with a right filter guide 116 to which the right filter 132 slides back and forth.

Meanwhile, the case 2 has an opening formed between the base 60, the front upper panel 70, and the left and right suction panels 100 and 110.

That is, the case 2 is formed in one of the large opening in the rectangular shape in the lower portion of the front portion as a whole.

The case 2 is provided with a front panel 150 for opening and closing the center of the front left, right, and the center.

That is, the front panel 150 is disposed to open and close between an upper end of the front center portion of the front upper panel 80 and an upper side of the lower air intake port 3, which is the front upper end of the base 60.

The front panel 150 is rotatably connected to an upper hinge bracket 151 installed on an upper surface of the front upper panel 80, and lower on a lower hinge bracket 152 installed on an upper surface of the base 60. This is connected rotatably.

Meanwhile, as shown in FIGS. 3 to 5, the case 2 has a service cover 200 that shields the opening.

When the service cover 200 opens the front panel 150 forward, the interior of the case 2 is not visible through the opening so that the aesthetics are not impaired even when the front panel 150 is opened. As a member that functions as a stabilizer to shield a user from contacting various electrical parts located behind the opening, and to shield the opening as much as possible.

The service cover 200 may be partially opened in front of the left and right filters 131, 132, the lower filters 133, 134, 135, and the central filters 136, 137, 138. It is also possible to have a structure that shields the opening, and the front of both the left and right filters 131, 132, the lower filters 133, 134, 135, and the center filter 136, 137, 138. It is also possible to have a structure that shields the opening to be open, the left and right filters 131, 132, the lower filter 133, 134, 135 and the center filter 136, 137, 138 It is also possible to have a structure which shields all, and it demonstrates only to what shields the said opening part hereafter.

The service cover 200 comprises a shielding member 201 which shields most of the opening and the door hole 210 is formed at the front side of the blower 120; Including a filter door 260 rotatably installed in the shielding member 201 to open and close the door hole 210 of the shielding member 201 and detachable from the central filters 136, 137, 138. It is composed.

The shielding member 201 is mounted to the case 2 with a fastening screw 202. That is, the case 2 is formed in the fastening portion 94 having a fastening hole 93 in the lower portion of the front upper panel 80, as shown in Figure 3, the shielding member 201 is the fastening A fastening hole 204 corresponding to the fastening hole 93 of the part 94 is formed, and the shielding member 201 has its fastening hole 204 before and after the fastening hole 93 of the fastening part 94. In a matched state, the fastening screw 202 penetrates the fastening holes 204 and 93 and is coupled to the front upper panel 80.

As illustrated in FIG. 3, the handle 206 is formed in the shielding member 201 so as to facilitate initial installation or service. The handle 206 is formed on the upper left, right and lower left and right of the shielding member 201 so that a user or an operator can easily hold the service cover 200 with both hands.

The shielding member 201 may be provided with a remote control storage unit 208 so as to conceal the remote control for remote control of the air conditioner.

The filter door 260 is connected to the shield member 201 through a hinge 262, the filter door 260 is rotated forward with respect to the lower portion is installed so that the upper portion is opened, the upper portion is a hook that is an example of the state maintaining means It is made to be locked / released on the upper portion of the shield member 201.

The filter door 260 has a function of a door for opening and closing the door hole 210 of the shielding member 201 as well as a function of a filter holder in which the central filters 136, 137, 138 are attached and detached. Front left and right filter guides formed at the rear of the front plate 261 to open and close the door hole 210, and the central filters 136, 137 and 138 are slide-attached. And 270 and 280.

The center left and right filter guides 270 and 280 move the air sucked into the air inlets 3, 4 and 5 of the case 2 in front of the center filters 136, 137 and 138. Side openings 275 are formed in the front portion to pass through the central filters 136, 137, 138.

The center left and right filter guides 270 and 280 may include a plurality of guide ribs 271 to guide the sliding of the center filters 136, 137 and 138 to the center filters 136, 137 and 138. It is formed to be spaced apart from the front and back by the thickness of the).

The filter door 260 further includes a lower plate 290 that is raised after the central filters 136, 137 and 138 are slid.

The lower plate 290 has air sucked through the air inlets 3, 4, and 5 of the case 2 being moved to the front of the center filters 136, 137, 138, so that the center filter 136 ( Openings 291 are formed when it is allowed to pass through 137 and 138.

The lower plate 290 is formed to protrude rearward from a lower portion of the front plate 261, and the lower surface opening 291 is formed to open upward and downward at a front portion thereof.

Here, the filter guides 270 and 280 and the lower plate 290 may be integrally formed with the front plate 261, and may be formed separately from the front plate 261, and then, such as fastening bolts or hooks. Of course, it is also possible to be coupled to the front plate 261 by a coupling means.

The filter door 260 is provided with a high voltage generator accommodating portion 296 to accommodate a high voltage generator 143 for applying a high voltage to the plasma electrostatic precipitating filter among the central filters 136, 137 and 138.

Figure 3 is an exploded perspective view of a first embodiment of the air conditioner according to the present invention, Figure 4 is a longitudinal sectional view of the first embodiment of the air conditioner according to the present invention, Figure 5 is a first embodiment of the air conditioner according to the present invention 6 is an exploded perspective view of the filter cleaner of the first embodiment of the air conditioner according to the present invention, FIG. 7 is a view showing the filter cleaner action of the first embodiment of the air conditioner according to the present invention, and FIG. The air cleaner according to the first embodiment is a cross-sectional view of the filter cleaner.

On the other hand, the air conditioner includes a filter cleaner 300 for automatically cleaning by using power without removing the filter from the case (2).

The filter cleaner 300 may be applied to at least one of the left and right filters 131, 132, the lower filters 133, 134, 135, and the center filter 136, 137, 138. In the present exemplary embodiment, since the left and right filters 131 and 132 are not easily attached or detached, only the left and right filters 131 and 132 will be described.

The filter cleaner 300 is provided so that the left and right filters 131 and 132 are separated from each other and applied to the left and right filters 131 and 132, respectively.

The filter cleaner 300 collects a large amount of foreign substances in air on a surface on which air is sucked and a surface on which air is discharged from the left and right filters 131 and 132. It is preferably located on the side where the air is sucked around the filter (131, 132).

Therefore, one filter cleaner 300 is installed between the left suction panel 100 and the left filter 131, and one filter cleaner is installed between the right suction panel 110 and the right filter 132.

When the filter cleaner 300 is required to clean the left and right filters 131 and 132, the filter cleaner 300 moves on the left and right filters 131 and 132, and the left and right filters 131 and 132. When the cleaning of the left and right filters 131 and 132 is not required, the left and right filters 131 are disposed so as not to disturb the air flow passing through the left and right filters 131 and 132. 132 may be provided to deviate from.

That is, the filter cleaner 300 is connected to the filter cleaner case 310, the filter cleaner case driving unit 320 allowing the filter cleaner case 310 to move, and the filter cleaner case 310. It comprises a filter cleaner blower 345 for generating a suction force toward the filter cleaner case 310.

When the filter cleaner case 310 is positioned on the left and right filters 131 and 132, the filter cleaner case 310 is installed to be substantially interviewed with the left and right filters 131 and 132.

The filter cleaner case 310 has a filter cleaner space 311 having a predetermined size so that foreign matters on the left and right filters 131 and 132 may be sucked and collected therein.

A part of the filter cleaner case driving unit 320 is inserted into the filter cleaner space 311 so that the filter cleaner case driving unit 320 in the filter cleaner space 311 may be inserted into the filter cleaner space 311. A first barrier 312 may be provided to partition the installation space of the filter cleaner case driving unit 320 so as not to be contaminated by the foreign matter collected in the cleaner space 311.

As described later, an agitator drive unit 340 is inserted into the filter cleaner space 311 so that the agitator drive unit 340 is not contaminated by foreign matter collected in the filter cleaner space 311. The second barrier 313 may be provided to partition the installation space of the agitator drive unit 340.

The filter cleaner case 310 is moved to the filter cleaner case driving unit 320 in the up and down direction as described later, even if the filter cleaner case 310 is only moved up and down on the left and right filters 131 and 132. The front and rear lengths of the front and rear filters 131 and 132 may be longer than the front and rear lengths of the left and right filters 131 and 132.

The filter cleaner case 310 may include an upper case 314 forming an upper portion of the filter cleaner case 310, and a lower case communicating with the upper case 314 and forming a lower portion of the filter cleaner case 310 ( 315).

The lower case 315 is installed so that the agitator 330 is inserted, as will be described later, so that the agitator 330 may be in contact with the left and right filters 131 and 132. The suction hole 316 is formed on a surface of the filter 131 that is opposite to the right filter 131 or 132.

The lower case 315 is provided with a discharge hole 317 for discharging foreign matter in the filter cleaner space 311 of the filter cleaner case 310.

The discharge hole 317 may be located on the side or bottom surface of the lower case 315. Hereinafter, the discharge hole 317 is limited to one formed on the bottom surface of the lower case 315.

The discharge hole 317 is provided with a discharge hole boss 318 protruding downward of the lower case 315 for connection with the filter cleaner dust collecting unit 350 which will be described later.

The filter cleaner case driving unit 320 may move the filter cleaner case 310 in a vertical direction, may move the filter cleaner case 310 in a left and right direction, and the filter cleaner case. It is also possible to simultaneously move the 310 in the up and down direction and the left and right direction, in the present embodiment, the filter cleaner case 310 for quick cleaning and simplified structure of the left and right filters (131, 132) It demonstrates only to make it move to an up-down direction.

The filter cleaner case driving unit 320 is an upper portion of the filter cleaner case 310, that is, the upper case so that foreign matters in the filter cleaner case 310 can be easily discharged through the discharge hole 317. It is preferably installed to be located at 314.

The filter cleaner case driving unit 320 includes a filter cleaner case wheel 322 rotatably provided in the filter cleaner case 310, and a filter cleaner case guide for guiding vertical movement of the filter cleaner case 310. 344 and a filter cleaner case driving motor 326 for generating power for movement of the filter cleaner case 310.

The filter cleaner case wheel 322 supports the filter cleaner case 310 steadily, and a plurality of filter cleaner case 310 is preferably provided so that the vertical movement of the filter cleaner case 310 is smooth, balanced and stable.

That is, as an example, as shown in the present embodiment, the filter cleaner case wheel 322 may be provided at each of the front and rear sides of the filter cleaner case 310.

The two filter cleaner case wheels 322 may have separate support shafts 323 or may be integrated, and the present invention will be described below by restricting the support shafts 323. .

The filter cleaner case wheel 322 may be located inside the filter cleaner case 310 or may be located outside the filter cleaner case 310. In the present embodiment, the filter cleaner case 310 will be described below. Will be described as being located inside.

The filter cleaner case wheel 322 also functions as a stopper for restraining the up and down movement of the filter cleaner case 310 together with the filter cleaner case guide 344 when the filter cleaner case driving motor 326 is stopped. To this end, a plurality of pinion gear teeth 322a are arranged along the circumferential direction of the filter cleaner case wheel 322 so that the filter cleaner case guide 344 may be engaged with the filter cleaner case guide 344.

The filter cleaner case guide 344 is preferably formed long in the vertical direction to guide the vertical movement of the filter cleaner case 310.

The filter cleaner case guides 344 may be provided in two in one-to-one correspondence with the two filter cleaner case wheels 322 in order to guide the up and down movement of the filter cleaner case 310 in a balanced and stable manner. .

The filter cleaner case guide 344 may be fixed to the left and right filters 131 and 132, and may be fixed to the left and right filter guides 106 and 116. In the following description, it is limited to being fixed to the left and right filter guides 106 and 116.

The filter cleaner case guide 344 may be formed separately from the left and right filter guides 106 and 116, and may be assembled to the left and right filter guides 106 and 116 by a fastening member such as a screw. The left and right filter guides 106 and 116 may be molded integrally with each other.

The filter cleaner case guide 344 is positioned in front and rear of the filter cleaner case wheels 322, respectively, so that the filter cleaner case wheels 322 may be installed to be inserted therebetween. Guide ribs 344a and 344b.

The filter cleaner case guide 344 is positioned between the filter cleaner case guide ribs 344a and 344b and arranged in the vertical direction so as to function as a stopper together with the filter cleaner case wheel 322 as described above. A plurality of rack gear teeth 344c may be engaged with the pinion gear teeth 322a of the filter cleaner case wheel 322.

The filter cleaner case driving motor 326 may be installed to be located inside the filter cleaner case 310 or may be installed to be located outside the filter cleaner case 310. It will be described to be limited to being installed inside the filter cleaner case 310 for ease of transmission and minimizing the power transmission path.

 The filter cleaner case driving motor 326 may be directly connected to the filter cleaner case wheel 322, or may be indirectly connected to the filter cleaner case wheel 322. It will be described as being indirectly connected to the filter cleaner case wheel 322 to be connected to the filter cleaner case wheel 322 at the same time.

 Power of the filter cleaner case driving motor 326 may be transmitted to the filter cleaner case wheel 322 by the filter cleaner case power transmission unit 328 which will be described later.

The filter cleaner case power transmission unit 328 may be implemented in a gear manner, may be implemented in a belt-pulley manner, and may also be implemented as a mechanism capable of achieving a power transmission purpose. The embodiment will be described as being limited to being implemented in a gear method.

The filter cleaner case power transmission unit 328 is in constant mesh with the drive gear 328a directly connected to the rotation shaft 326a of the filter cleaner case driving motor 326 and the drive gear 328a, and the filter cleaner case wheel. It consists of a driven gear 328b coupled to rotate integrally with the support shaft 323 of the (322).

As for the drive gear 328a and the driven gear 328b, the rotation shaft 326a of the filter cleaner case driving motor 326 is parallel to the support shaft 323 of the filter cleaner case wheel 322 as in the present embodiment. In this case, each bevel gear is preferably provided.

The filter cleaner blower 345 is installed outside or inside the case 2, and is provided with a filter cleaner blower housing 346 connected to the filter cleaner case 310 through an air flow path, and the filter cleaner blower housing 346. A filter cleaner blowing fan 347 rotatably provided therein and a blowing fan motor 648 for rotating the blowing fan 374.

The filter cleaner blowing housing 346 may allow the air sucked into the filter cleaner blowing housing 346 to be exhausted through a filter cleaner exhaust hole formed in the case 2 that is in contact with the filter cleaner blowing housing 346. The air sucked into the filter cleaner blowing housing 346 may be exhausted through an exhaust passage, and the air sucked into the filter cleaner blowing housing 346 may be exhausted through the condensate discharge passage 119b. The air sucked into the filter cleaner blowing housing 346 may be exhausted into the case 2.

The filter cleaner blowing fan 347 may be applied with an axial flow fan, a centrifugal fan may be applied, and a cross flow fan may be applied.

The filter cleaner blower 345 may be provided exclusively for the filter cleaner 300 as in the present embodiment, or may be provided so that the blower 120 also functions as the filter cleaner blower 345. Do.

On the other hand, the filter cleaner 300 is rotatably installed in the filter cleaner case 310 so that foreign matters of the left and right filters 131 and 132 can be more easily removed and sucked. It includes an agitator 330 that can shake off the foreign matter of the right filter (131, 132), and an agitator drive unit 340 for causing the agitator 330 to rotate.

The agitator 330, the filter cleaner case 310 is moved in the vertical direction, bar is preferably disposed long in the front and rear direction.

The agitator 330 is a lower portion of the filter cleaner case 310 so that foreign matter collected by the filter cleaner case 310 does not fly to the filter cleaner case driving unit 320 or the agitator driving unit 340. That is, the lower case 315 is preferably installed.

The agitator 330 is planted in the filter cleaner case 310, in particular, the agitator body 332 rotatably disposed in the suction hole 316, and the agitator body 332 to the left, A brush bristle 334 that may be in contact with the right filters 131 and 132, and first and second protrusions protruding from the front and rear ends of the agitator body 332 to rotatably support the agitator 330. It comprises a two agitator rotation axis 336 (337).

The agitator body 332 has a front and rear length of at least the left and right sides so that the entire area of the left and right filters 131 and 132 can be cleaned even if the filter cleaner case 310 is moved only in the up and down direction. It is preferably provided to be approximately equal to the filters 131 and 132.

The brush bristles 334 may be helically implanted along the agitator body 332.

One of the first and second agitator rotation shafts 336 and 337 is rotatably coupled to the filter cleaner case 310, and the other is coupled to the agitator drive unit 340.

The agitator drive unit 340 is configured to include an agitator drive motor 342 for generating power for the rotation of the agitator 330.

The agitator drive motor 342 may be installed to be located inside the filter cleaner case 310, may be installed to be located outside the filter cleaner case 310, and in the present embodiment, power transmission is provided. For convenience and to minimize the power transmission path will be described to be limited to being installed inside the filter cleaner case 310.

The agitator drive motor 342 may be directly connected to the agitator 330, or may be indirectly connected to the agitator 330. In order to be limited to the agitator 330 is arranged in a line in the front-rear direction and directly connected to the agitator 330.

On the other hand, the filter cleaner 300 senses the up and down relative position of the filter cleaner 310 to easily control the filter cleaner 300 according to the up and down relative position of the filter cleaner case 310. Filter cleaner position detection sensors 390 and 392 may be further included.

Preferably, a plurality of filter cleaner position detection sensors 390 and 392 are provided. In this embodiment, an upper filter cleaner position detection sensor 392 for sensing a top position of the filter cleaner 300 and the filter The lower filter cleaner position detection sensor 390 which senses the lowest position of the cleaner 300 will be described as being limited to two.

Each of the upper and lower filter cleaner position detection sensors 390 and 392 may be implemented by a limit switch method, may be implemented by a photo sensor method, may be implemented by an infrared method, and other positions may be detected. Of course, all instruments are applicable.

On the other hand, the air conditioner may remove the filter cleaner case 310 to discharge the foreign matter in the filter cleaner case 310, in the present embodiment is to remove the foreign matter collected in the filter cleaner case 310 It will be described that the filter cleaner dust collecting unit 350 to further collect the foreign matter in the filter cleaner case 10 to easily.

The filter cleaner dust collecting unit 350 may include a filter cleaner dust collector 360 having a dust collecting space in which foreign substances discharged from the filter cleaner case 310 may be collected, the filter cleaner dust collector 360, and the filter cleaner 300. In particular, the filter cleaner includes a filter cleaner dust collecting guide path 370 connecting the discharge hole 317 of the case 310.

The filter cleaner dust collector 360 may be located inside the case 2 or may be located outside the case 2, and in the present embodiment, the case may be used for beautification around the air conditioner. (2) The description will be limited to being located inside.

The filter cleaner dust collector 360 may be provided as a disposable dust bag, or may be provided as a recyclable dust collection case. Hereinafter, the filter cleaner dust collector 360 may be provided as a dust collection case. The filter cleaner dust collector 360 is called a dust collecting case 360.

The dust collecting case 360 may be located inside the case 2, and may be installed to be detachably attached to the case 2 so as to discard the foreign matter in the filter cleaner dust collector 360.

The dust collecting case 360 may include a dust collecting case outer 362 fixed inside the case 2, and a dust collecting case inner 364 installed to be accessible to the dust collecting case outer 362.

The dust collecting case outer 362 is connected to the filter cleaner case 310 through the filter cleaner dust collecting guide path 370, and the blowing force of the filter cleaner blower 345 is passed through the dust collecting case 360. The filter cleaner blower 345 is connected to the filter cleaner case 310.

 The dust collecting case inner 364 may draw in and out of the case 2 and the dust collecting case outer 362. Here, the dust collecting case inner 364 may be provided to access the case 2 through the dust collecting hole h formed in the case 2.

The filter cleaner dust collecting guide path 370 may be provided as a flexible hose so that its length may be elastically changed according to the vertical position of the filter cleaner 300.

On the other hand, the filter cleaner dust collecting unit 350 is a filter cleaner for dust collection to supply a pressure force so that the foreign matter in the filter cleaner 300, in particular, the filter cleaner case 310 can be conveyed to the filter cleaner dust collecting unit 350 A blower is required, and as described above, the dust collecting case 360 is installed to communicate with the filter cleaner blower 345 of the filter cleaner 300, so that the filter cleaner blower 345 has a filter cleaner blower function for the dust collection. You can also serve as.

On the other hand, the filter cleaner dust collecting unit 350 is the foreign matter discharged from the filter cleaner case 310 by the suction force of the filter cleaner blower 345 is collected in the dust collecting case 360 and the air is the filter cleaner blower ( A filter cleaner dust separator 380 may be further included to be sucked into the 345.

The filter cleaner dust collector 380 has a dust collecting case to prevent the foreign matter separated from the air in the filter cleaner dust collector 380 is sucked into the filter cleaner blower 345 at a portion connected to the filter cleaner blower 345. A filter (not shown) may be provided.

Looking at the operation of the air conditioner according to the present invention configured as described above are as follows.

When the blower 120 is driven by an operation request of an air conditioner, the outside air of the case 2 is introduced into the case 2 through the air inlets 3, 4, and 5 of the case 2. Is inhaled. At this time, the air sucked into the case 2 is purified while passing through the left and right filters 131 and 132 and the lower filters 133 and 134 and 135, and then the front of the blower 120. Is moved to.

The air moved to the front of the blower 120 passes through the side openings 275 and 285 and the lower surface opening 291 of the filter door 60, and among the central filters 136, 137 and 138. It is sucked forward of the filter 136 located at the foremost side, and is purified stepwise while passing through the central filters 136, 137 and 138 as a shield.

Air passing through all of the central filters 136, 137, and 138 is blown to the upper side of the blower 120 after passing through the blower 120 to be heat exchanged by the heat exchanger 118.

The air heat-exchanged by the heat exchanger 118 is discharged to the outside of the case 2 through the air discharge ports 6, 7, 8 of the case 2.

Looking at the operation of the filter cleaner 300 of the air conditioner according to the present invention configured as described above are as follows.

When the filter cleaner 300 is requested to operate, the filter cleaner case driving motor 326 is driven to generate power, and the power of the filter cleaner case driving motor 326 is supplied to the filter cleaner case power transmitting unit 328. The filter cleaner case wheel 322 is rotated through the filter cleaner case wheel 322.

Then, the filter cleaner case wheel 322 is rotated along the filter cleaner case guide 344 so that the filter cleaner 300 is substantially interviewed with the left and right filters 131 and 132. And are moved on the right filters 131 and 132.

At this time, the rotation direction of the filter cleaner case wheel 322 is changed according to the power direction of the filter cleaner case driving motor 326, and the filter cleaner 300 is the rotation direction of the filter cleaner case wheel 322. It is moved up or down according to.

When the filter cleaner 300 moves upward or downward on the left and right filters 131 and 132 as described above, power is generated while the agitator drive motor 342 is driven, and the agitator drive motor is performed. The agitator 330 is rotated by the power of 342.

Then, the brush bristle 334 of the agitator 330 is in contact with the left and right filters 131 and 132 to sweep the left and right filters 131 and 132, and the left and right filters 131. The foreign matter collected in 132 is supported by the left and right filters 131 and 132, and the foreign matters supported by the left and right filters 131 and 132 are applied to the suction force of the filter cleaner blower 345. As a result, it is sucked into the filter cleaner case 310.

The foreign matter sucked into the filter cleaner case 310 is moved to the dust collecting case 360 along the filter cleaner dust collecting guide path 370 together with air by the suction force of the filter cleaner blower 345 to collect the dust. It is collected in the case inner 364.

Meanwhile, the air sucked together with the foreign matter in the dust collecting case 360 is sucked into the filter cleaner blower 345 and then exhausted from the filter cleaner blower 345.

The filter cleaner 300 may clean the left and right filters 131 and 132 only when the left and right filters 131 and 132 are moved upward, and the left and right filters 131. The left and right filters 131 and 132 may be cleaned only when the 132 is moved downward, and the left and right filters 131 and 132 may be cleaned when the up and down movements are performed.

In addition, when the filter cleaner 300 cleans the left and right filters 131 and 132, the filter cleaner 300 may reciprocate the left and right filters 131 and 132 only once, and may also reciprocate a plurality of times. It is possible.

In addition, the filter cleaner 300 may simultaneously clean the left and right filters 131 and 132, and may alternately clean the left and right filters 131 and 132.

Here, when the filter cleaner 300 cleans the left and right filters 131 and 132 alternately, when the cleaning of any one of the left and right filters 131 and 132 is completed, the filter cleaner 300 cleans the other one. It is also possible to move, when moving upwards and only cleaning when moving downwards, one of the left and right filters (131, 132) can be moved upward while moving downwards at the same time, it is also possible to clean.

In addition, the filter cleaner 300 may be operated during the air conditioning operation of the air conditioner, and may be operated when the air conditioner is not air-conditioning operation, when the air conditioning operation of the air conditioner is operated in the case Obstruct the air flow sucked through the left and right air inlets (4) and (5) of (2), as well as foreign matter in the air is not collected in the left and right filters (131, 132), the left, The foreign matters of the right filters 131 and 132 are blown off by the filter cleaner 300. Therefore, the filter cleaner 300 is preferably operated only when the air conditioner is not air-conditioned.

In addition, the filter cleaner 300 may be performed every time before the air conditioner operation start of the air conditioner or after the air conditioner operation of the air conditioner, or may be periodically performed according to the accumulated number of air conditioner operations of the air conditioner. In addition, the filter may be implemented according to a filter cleaner switch signal operated by a user or a driver of the air conditioner, or may be implemented according to the degree of contamination of the left and right filters 131 and 132.

In this case, the amount of air flowing through the left and right filters 131 and 132 is increased by the blowing force of the blower 120. The foreign matter accumulates in the left and right filters 131 and 132, and as the air conditioning operation time of the air conditioner accumulates, the amount of foreign matters in the left and right filters 131 and 132 also increases. It is also possible to predict the degree of contamination of the left and right filters 131 and 132 based on the accumulated air conditioning driving time information, and to analyze the left and right filters 131 and 132 by photographing them with a camera. Of course, various other methods can be applied.

9 is an exploded perspective view of main parts of a second embodiment of an air conditioner according to the present invention.

According to the first embodiment of the present invention, the air conditioner according to the first embodiment of the present invention has a configuration and operation other than that in which the drain unit is included instead of the filter cleaner dust collecting unit in the first embodiment of the present invention. Since the present invention may be implemented in the same manner as described above, the description thereof will not be repeated with the first embodiment of the present invention, and the same reference numerals will be used for the same configuration as the first embodiment of the present invention.

The drain unit 400 is provided to discharge the foreign matter collected in the filter cleaner 300, in particular, the filter cleaner case 310 directly to the outside of the case 2 instead of being separately collected.

The drain unit 400 may allow only the foreign matter in the filter cleaner case 310 to be discharged to the outside of the case 2, and the foreign matter in the filter cleaner 300 may be collected in the drain pan 119a. It is also possible to allow the condensate to be discharged to the outside of the case (2), it is preferable that the foreign matter in the filter cleaner 300 and the condensate discharge in the drain pan 119a together to minimize the redundant installation of the similar configuration is preferably provided. .

The drain unit 400 may include the condensate drain flow path 119b connected to the drain pan 119a, a filter cleaner drain flow path 402 connected to the filter cleaner 310, particularly the filter cleaner case 310, and In particular, the drain laminated channel 404 connected to the condensate drain channel 119b and the filter cleaner drain channel 402, and one side of which is piped to the outside of the case 2, and the condensate or filter cleaner 300 in the drain pan 119a. The filter cleaner case 310 is configured to include a drain blower for supplying a pressure force so that the foreign matter in the discharge.

The condensate drain flow path 119b may be piped in the vertical direction so that the condensed water in the drain pan 119a may naturally fall by gravity to be guided to the drain lamination flow path 404.

The filter cleaner drain flow path 402 is preferably implemented as a flexible hose that can be easily elastically deformed because the filter cleaner 300 should be moved on the left and right filters 131 and 132.

The drain lamination passage 404 is a lower portion of the case 2 so that foreign matter or condensed water in the drain lamination passage 404 can be easily discharged by the pressure of the drain blower without being affected by gravity. Can be plumbed to.

Instead of the drain blower being constructed as a separate device for the drain unit 400 only, the filter cleaner 300 uses the suction power of the filter cleaner blower 345 so that the filter cleaner drain flow path 402 is the filter cleaner. The filter cleaner blower 345 may be installed to communicate with the blower 345 so as to serve as the drain blower function.

Meanwhile, the drain unit 400 may further include a drain damper 410 for selectively connecting the drain lamination passage 404 to the condensate drain passage 119b or the filter cleaner drain passage 402.

The drain damper 410 allows the drain lamination passage 404 to communicate with the condensate drain passage 119b and the filter cleaner drain passage 402 simultaneously, or the drain lamination passage 404 connects the condensate drain passage 404. The valve is configured to communicate with only one of the 119b and the filter cleaner drain flow path 402.

When the drain damper 410 has a lot of condensate discharged through the condensate drain passage 119b and the foreign matter in the filter cleaner 300 needs to be discharged, the drain lamination passage 410 is the condensate drain passage 119b. ) And the filter cleaner drain flow path 402 at the same time, the foreign matter discharged from the filter cleaner 300 is swept by the condensate can be quickly discharged with the condensate.

Alternatively, when the drain damper 410 has less condensate discharged through the condensate drain passage 119b, foreign matter in the filter cleaner 300 adheres to the drain lamination passage 404 by the condensate to be deposited. As the drain laminated channel 404 is blocked, foreign substances in the filter cleaner 300 as well as the condensed water may not be discharged, and odor or bacteria may be generated from the drain laminated channel 404.

Therefore, when the drain damper 410 has less condensate discharged through the condensate drain flow path 119b and needs to discharge foreign substances in the filter cleaner 300, the drain lamination flow path 404 is the condensate drain flow path 119b. ) So as to be in communication with only the filter cleaner drain flow path 402, so that only foreign substances in the filter cleaner 300 may be discharged.

Alternatively, the drain damper 410 does not need to discharge foreign substances in the filter cleaner 300, but when the condensate is to be discharged, the drain lamination passage 404 is in communication with the condensate drain passage 119b. The condensate can be discharged only by blocking the filter cleaner drain flow path 402.

10 is an exploded perspective view of a main part of a third embodiment of the air conditioner according to the present invention, and FIG. 11 is a cross-sectional view of the filter cleaner of the third embodiment of the air conditioner according to the present invention.

Since the air conditioner according to the present embodiment may be implemented in the same manner as the air conditioner according to the first embodiment of the present invention, other configurations and operations other than the filter cleaner may be performed in the first embodiment of the present invention. The same description as the first embodiment of the present invention and the same reference numerals are given while omitting the overlapping description with the first embodiment of the present invention.

The filter cleaner 500 is connected to the filter cleaner case 510 and the filter cleaner case 510 which may be moved on the left and right filters 131 (not shown), and the left and right filters 131 ( The filter cleaner blower 520 which allows the foreign matter to be sucked into the filter cleaner case 510 and the filter cleaner case 510 are rotatably installed in the filter cleaner case 510 so as to rotate the left and right filters 131 (not shown). Agitator 530 to shake off the foreign matter, and a filter cleaner driving unit 540 to move the filter cleaner case 510 and to rotate the agitator 530.

The filter cleaner driving unit 540 is installed in the filter cleaner case 510 and rotates along the filter cleaner guide 542 installed in the case 2, and the filter cleaner case wheel 544. 544 or one of the filter cleaner driving motor 546 directly connected to the agitator 530 and one of the filter cleaner case wheel 544 and the agitator 530 that is not directly connected to the filter cleaner driving motor 546. It comprises a filter cleaner drive motor power transmission unit 550 for transmitting the power of the filter cleaner drive motor 546 to.

The filter cleaner driving motor 546 may be directly connected to the agitator 530 as in the present embodiment, or may be directly connected to the filter cleaner case wheel 544 as described above.

The filter cleaner driving motor 546 may be provided in a structure capable of generating positive and reverse bidirectional power so that the filter cleaner case 510 may move upward and the filter cleaner case 510 may move downward. The power transmission direction of the filter cleaner driving motor 546 which is provided to rotate only and is transmitted to the filter cleaner case wheel 544 may be provided to be switched through a shifting unit. In order to be described as being provided with a structure capable of generating bidirectional power.

The filter cleaner driving motor 546 is provided as a biaxial motor so that one side is directly connected to the agitator 530 and the other side is directly connected to the filter cleaner driving motor power transmission unit 550.

The filter cleaner driving motor power transmission unit 550 may be implemented in a geared manner, may be implemented in a belt-pulley manner, may be implemented as a mechanism that can achieve the power transmission purpose other than, In the present embodiment, it will be described as being limited to the belt-pulley.

The filter cleaner driving motor power transmission unit 550 may include a drive pulley 552 directly connected to the filter cleaner driving motor 546, a driven pulley 554 directly connected to the filter cleaner case wheel 544, and the drive. It comprises a belt 556 connecting the pulley 552 and driven pulley 554.

On the other hand, the filter cleaner driving unit 540, even if the filter cleaner driving motor 546 generates the bidirectional rotational power, the agitator 530 is only the rotational power of any one direction of the filter cleaner driving motor 546 A clutch 560 may be further included between the filter cleaner driving motor 546 and the agitator 530 to be delivered.

On the other hand, the present invention is not limited to the above embodiments, and various implementations are possible within the technical scope to which the present invention belongs.

The air conditioner according to the present invention configured and operated as described above includes a filter cleaner which sucks foreign substances in the filter while moving on the filter, so that the filter can be cleaned without removing the filter. There is no reason to be detachably installed, there is an advantage that the restriction of the layout of the filter surrounding parts, as well as the installation position or installation method of the filter can be eliminated.

In addition, the air conditioner according to the present invention is inconvenient due to the replacement or cleaning operation of the filter and the contaminated state of the filter because the filter cleaner does not need to replace or clean the filter directly by the air conditioner consumer or driver Due to the unpleasant due to there is an advantage that there is no fear of degradation of the emotional quality.

In addition, the air conditioner according to the present invention does not have to worry that the filter is left in a contaminated state because the filter cleaner can automatically clean the filter according to the contaminated state of the filter of the air conditioner due to contamination of the filter. There is an advantage that there is no need to worry about deterioration of function, burnout, deterioration of emotional quality.

In addition, the air conditioner according to the present invention, when the filter cleaner is installed in a position that is not easily removable, by causing the foreign matter collected by the filter cleaner to be collected in a removable dust collecting case, the flow path to the dust collecting case and the filter cleaner By connecting through and installing the dust collection case to be easily removable, there is an advantage that can be easily discharged foreign matter without removing the filter cleaner directly.

In addition, the air conditioner according to the present invention, when the filter cleaner is installed in a position that is not easily removable, by allowing the foreign matter collected by the filter cleaner to be discharged directly to the outside of the case, without removing the filter cleaner directly Not only is it easy to discharge the foreign matter, there is no need for the user or driver of the air conditioner to exhaust the foreign matter collected by the filter cleaner, there is an advantage that the convenience and sensitivity quality can be maximized.

In addition, when the air conditioner according to the present invention is configured to discharge the foreign matter collected by the filter cleaner directly to the outside of the case together with the condensate collected by the drain pan, the parts of the similar function is not installed redundantly so that the overall structure There is an advantage that can be simplified, and the manufacturing cost can be minimized.

In addition, when the air conditioner according to the present invention is installed so that the service cover to cover all or part of the opening formed in the case, the safety can be improved and the inside of the case can be concisely concise, the sound insulation effect can be created by the service cover In addition, the service cover is provided to be able to store accessories such as a remote control, there is an advantage that can be kept secret of the accessories such as the remote control can be kept neat appearance.

Claims (7)

A case having an air intake port and an air discharge port; A blower located in the lower part of the case; A heat exchanger located at an upper side of the case; A filter for filtering the air sucked into the air inlet; A filter cleaner for cleaning the filter while moving along the filter; And a drain unit for discharging the foreign matter cleaned by the filter cleaner and the condensed water generated in the heat exchanger. The method according to claim 1, The drain unit, A condensate drain passage for guiding movement of the condensate in the heat exchanger; A filter cleaner drain flow path for guiding movement of the foreign matter cleaned by the filter cleaner; And a drain lamination flow passage connected to the condensate drain flow path and the filter cleaner drain flow path and configured to discharge the condensate and the foreign matter cleaned by the filter cleaner to the outside of the case. The method according to claim 2, And the drain lamination passage is located below the heat exchanger, and the condensate drain passage is piped up and down. The method according to claim 2, And the drain unit includes a drain damper to selectively connect the drain lamination passage with the condensate drain passage or the filter cleaner drain passage. The method according to any one of claims 1 to 4, The drain unit includes a drain blower for pumping the condensate and the foreign matter cleaned by the filter cleaner. The method according to claim 5, The drain blower is an air conditioner connected to the filter cleaner so that foreign matters of the filter can be sucked into the filter cleaner. The method according to any one of claims 1 to 4, The filter cleaner is an air conditioner having a filter cleaner space is collected and the foreign matter cleaning the filter connected to the drain unit.

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