KR20090102300A - Air conditioner - Google Patents

Abstract

PURPOSE: An air conditioner is provided to automatically clean foreign materials using a cleaning device by moving the device along the filter. CONSTITUTION: An air conditioner comprises a main body, cleaning device (110), first supporting unit, driving device, and second supporting unit. The main body has a filter. The filter filters the air which is inhaled to the inside. The cleaning device comprises the main body. The cleaning device cleans the foreign material of filter. The first supporting unit at the main body supports the cleaning device. The driving device makes the first supporting unit move. The second supporting unit is movably installed at the main body and is detachably coupled to the cleaning device.

Description

Air Conditioner

This embodiment relates to an air conditioner.

In general, an air conditioner is a device for cooling / heating a room by using a compressor, a condenser, an expansion device, and an evaporator. When an air purifying unit is installed, the air conditioner also functions to purify the room.

Various types of purification units are installed in the air conditioner, and in particular, a detachable filter for filtering foreign matters in the air is detachably installed so that the air is filtered by the filter during operation of the air conditioner, thereby purifying the room. Remove the filter and clean or replace it.

The filter as described above reduces the suction capacity of the air when there is a large amount of foreign matter, it is necessary to periodically clean or replace. However, when cleaning or replacing the filter, the user may be inconvenient, and the filter may not be cleaned or replaced for a long time. Therefore, the filter cleaning device may be installed in an air conditioner to clean the filter. In this case, the convenience of using the air conditioner can be increased.

An object of this embodiment is to propose an air conditioner capable of automatic cleaning of a filter.

Another object of this embodiment is to propose an air conditioner which allows the cleaning device for cleaning the filter to be easily separated from the main body.

Another object of this embodiment is to propose an air conditioner that allows the brush coupled to the cleaning device to be easily separated from the cleaning device.

Air conditioner according to one aspect, the main body is provided with a filter for filtering the air sucked into the interior; A cleaning device provided in the main body to clean the foreign substances of the filter; A first support unit provided on the main body to support the cleaning device and to which the cleaning device is detachably coupled; A drive device for moving the first support unit; And a second support unit movably provided to the main body and to which the cleaning device is detachably coupled.

According to the proposed embodiment, since the cleaning device moves along the filter by the driving device, foreign matters of the filter can be automatically cleaned by the cleaning device.

In addition, there is an advantage that the cleaning device can be easily separated from the main body as the cleaning device is detachably coupled to the first support unit and the second support unit for supporting the cleaning device. As such, when the cleaning device is easily separated from the main body, the cleaning device can be easily replaced.

In addition, as the brush is detachably coupled to the cleaning body, there is an advantage that the brush can be easily replaced.

1 is a perspective view of an air conditioner according to the present embodiment.

2 is an exploded perspective view of the air conditioner according to the present embodiment.

3 is a longitudinal sectional view of the air conditioner according to the present embodiment during filter cleaning.

4 is an enlarged exploded perspective view of a drive device and a filter frame according to the present embodiment;

5 is a front view of the driving apparatus according to the present embodiment.

6 is a plan sectional view of a drive device according to the present embodiment;

7 is a perspective view showing a coupling relationship between a light emitting device, a cleaning device, and a carrier according to the present embodiment;

8 is an exploded perspective view of the cleaning apparatus according to the present embodiment.

Hereinafter, exemplary embodiments will be described in detail with reference to the accompanying drawings.

1 is a perspective view of an air conditioner according to the present embodiment.

Referring to FIG. 1, the air conditioner according to the present embodiment includes a main body 2 forming an appearance. The main body 2 is provided with an air inlet 4 and an air discharge 6. Although a wall-mounted air conditioner is disclosed in FIG. 1, the idea of the present embodiment is not limited thereto, and it is applicable to a stand type air conditioner, a ceiling type air conditioner, and the like.

The air intake unit 4 may be formed on at least one surface of the front surface and the upper surface of the main body 2, or may be formed from the upper surface to the upper surface.

Hereinafter, the main body 2 is formed to be inclined or rounded at an edge portion between the front surface and the upper surface, and the air intake portion 4 will be described by way of example from the inclined portion or the round portion formed over the upper surface.

The air discharge part 6 may be formed on at least one surface of the front surface and the bottom surface of the main body 2, or may be formed below the front surface of the main body 2, or may be formed over the lower surface and the lower surface of the front surface.

Hereinafter, the main body 2 is formed to be inclined or rounded at an edge portion between the front surface and the bottom surface, and the air discharge part 6 will be described by way of example.

In detail, the main body 2 includes a rear frame 10, a front frame 20, a suction grill 21, a discharge unit 30, and a front panel 40.

The rear frame 10 is installed on an interior wall and defines a blow passage through which air passes.

The front frame 20 is coupled to the front of the rear frame 10. Openings are formed on the top and front surfaces of the front frame 20. The upper opening serves as the air intake 4, and the front opening serves as a service hole for service such as replacement of parts. The front opening is opened and closed by the front panel 40.

The suction grill 21 is formed in the air suction part 4 to protect the parts located inside the air suction part 4.

The discharge unit 30 guides the air conditioned in the main body 2 to be discharged into the room. The discharge unit 30 may be coupled to at least one of the rear frame 10 and the front frame by a fastening member.

The front panel 40 protects the front surface of the front frame 20. The front panel 40 is rotatably connected to one side of the top and bottom of the front frame 20. In addition, the front panel 40 is formed with a transparent part 45 for transmitting light of a light emitting device (not shown) to be described later.

2 is an exploded perspective view of the air conditioner according to the present embodiment, Figure 3 is a longitudinal sectional view when the filter of the air conditioner according to the present embodiment during cleaning, Figure 4 is a drive device and filter frame according to the present embodiment Is an enlarged exploded perspective view, FIG. 5 is a front view of the driving apparatus according to the present embodiment, and FIG. 6 is a plan sectional view of the driving apparatus according to the present embodiment.

2 to 6, a blow passage guide 12 is formed in the rear frame 10 to guide the air sucked through the air suction unit 4 to the air discharge unit 6. In one side of the left and right sides of the air flow passage guide 12, an electric part 13 on which various electric parts are installed is formed.

The air flow passage guide 12 includes left and right guides 15 and 16 protruding forward from the rear frame 10 and a center guide 17 formed between the left and right guides 15 and 16. Included. One of the left and right guides 15 and 16 is provided with a heat exchanger supporter 18 supporting the heat exchanger 60 and forming an air flow path.

The rear frame 10 is provided with a motor installation portion 14a on which the fan motor 52 of the blower 50 to be described later is seated and projected forward, and the cleaning fan housing 181 to be described later is seated and supported. The housing mounting portion 14b protrudes forward.

The electric fan 13 includes a fan motor 52 of the blower 50, a moving motor 121 of the driving device 120, a cleaning motor 182 of the cleaning suction force generator 180, and a light emitting device 140 which will be described later. A control device 19 for controlling the back is provided.

The drain unit 32 receiving the condensed water dropped from the heat exchanger 60 is formed above the discharge unit 30. The drain part 32 is connected to the drain hose 33 for guiding condensate to the outside of the main body 2.

In the discharge unit 30, a vane 34 that opens and closes the air discharge unit 6 is rotatably disposed while controlling the up and down wind direction of the air passing through the air discharge unit 6. The vanes 34 are driven by vane motor 35. In addition, a louver 36 for adjusting the left and right wind directions of the air passing through the air discharge unit 6 is rotatably disposed in the discharge unit 30.

On the other hand, the inside of the main body 2, the air intake air to the air intake unit 4, the blower 50 to discharge the sucked air into the room through the air discharge unit 6, and the main body ( A heat exchanger 60 is provided to allow heat exchanged between the air sucked into 2) and the refrigerant therein.

In the blower 50, a fan motor 52 seated on the motor installation unit 14a, a fan 54 coupled to a rotating shaft of the fan motor 52, and the fan motor 52 It covers and includes a motor cover 56 installed on the rear frame 10. In the present embodiment, a cross flow fan may be applied to the fan 54.

The heat exchanger 60 includes a vertical portion 62 vertically positioned above the drain portion 32, a front inclined portion 64 inclined upward from the upper portion of the vertical portion 62 toward the rear upper side, and A rear inclined portion 66 is inclined from the upper portion of the front inclined portion 64 toward the rear lower side.

In addition, the main body 2, the filter 80 for filtering the air sucked through the air suction unit 4, and a cleaning device for cleaning the foreign matter of the filter 80 while moving along the filter 80 110, a driving device 120 for moving the cleaning device 110, and a processing mechanism 160 for treating foreign matters cleaned by the cleaning device 110.

The filter 80 includes a horizontal portion 82 formed horizontally, and an inclined portion 83 formed to be inclined downward from the front end of the horizontal portion 82 toward the front. The filter 80 is installed in the filter frame 90 provided in the main body 2.

The filter frame 90 is positioned between the air intake 4 and the heat exchanger 60, and an opening 91 in which the filter 80 is disposed is formed. The filter frame 90 includes a horizontal portion 92 formed horizontally, and an inclined portion 93 inclined downward from the front end of the horizontal portion 92 toward the front.

The cleaning device 110 moves along the filter 80 to separate the foreign matter of the filter 80 from the filter 80 and to move the foreign matter to the treatment mechanism 160. The cleaning device 110 is elongated upward and downward and slides along the filter 80 in left and right directions.

The cleaning device 110, the cleaning body 112 is moved by the drive device 120 and formed long in the vertical direction and the foreign matter separated while separating the foreign matter of the filter 80 from the filter 80 left and right The brush 117 is disposed long in the vertical direction to the cleaning body 112 to sweep in the direction is included.

In addition, the cleaning device 110 is coupled to the light emitting device 140 that is a notification mechanism for informing the outside of the operation and movement of the cleaning device 110. In addition, the light emitting device 140 serves to support the cleaning device in a state of being coupled with the cleaning device 110.

The driving device 120 may be installed near the lower portion of the inclined portion 93 of the filter frame 90, or may be provided near the rear of the horizontal portion 92 of the filter frame 90. In order to minimize the shaking of the driving device 120 and to stably install the driving device 120 and to prevent the driving device 120 from being positioned on an air passage, the driving device 120 is provided with the filter. It is preferably installed near the rear of the horizontal portion 92 of the frame 90.

The driving device 120 may be directly installed on the upper part of the filter frame 90 or the upper part of the rear frame 10, and a separate driving device case 130 (hereinafter referred to as a “case”) may be a rear frame ( It is also possible to be installed on the upper portion 10 and the driving device 120 is installed in the case 130.

3 to 5, the driving device 120 includes a wire driving mechanism, a wire 124 driven by the wire driving mechanism, and a tension mechanism for providing tension to the wire 124. 125).

The wire driving mechanism is connected to the moving motor 121, the driving motor 121, and a driving roller 122 to which the wire 124 is wound, and spaced apart from the driving roller 122 to install the wire. A support roller 123 to which the 124 is wound is included.

The moving motor 121 is accommodated in the motor accommodating part 131 formed in the case 130, and is fastened to the fastening boss 132 formed on the side of the motor accommodating part 131 by a fastening member 133 such as a screw. Is fastened.

The driving roller 122 is connected to the rotating shaft of the motor 121 for movement. The support roller 123 is rotatably connected to the roller connecting portion 134 formed on the case 130. Fixing members 124a and 124b fixed to the carrier 127 to be described later are fixed to both ends of the wire 124.

As shown in FIG. 3, the wire 124 has a double structure including a metal wire 124c positioned inside and a friction member 124d surrounding the circumference of the metal wire 124c. The friction member 124d is made of a rubber material.

That is, due to the rigidity of the metal wire 124c, the wire 124 of the present embodiment has an advantage that the wire 124 is less sag or sag than when the entire wire 124 is made of a rubber material. As a result, since the wire 124 has a higher frictional force than the case where the wire 124 is made of a metal material, the wire 124 has a merit that the slippage of the wire 124 is reduced.

The tension mechanism 125 supports one side of the wire 124 so that the wire 124 does not fall or sag downward. The tension mechanism 125 is formed of a pressure roller installed to press one side of the lower portion of the wire 124 in an upward direction, and is rotatably connected to the tension mechanism connection part 135 formed in the case 130.

Meanwhile, the wire 124 according to the present embodiment is connected to the carrier 127, and the cleaning device 110 is coupled to the carrier 127. The carrier 127 supports the cleaning device 110. In addition, the carrier 127 is moved left and right by the wire 124, and thus the cleaning device 110 connected to the carrier 127 is moved left and right.

The carrier 127 has wire fixing parts 127a and 127b to which the fixing members 124a and 124b of the wire 124 are fixed to the left and right, and the cleaning device 110 by the fastening member 126. Is connected to the connecting portion 127c is formed to protrude.

A connector 128 is connected to the carrier 127, and a guide roller 129 is rotatably connected to the connector 128. The connector 128 is formed long in the left and right directions, and the guide roller 129 is rotatably provided at both left and right sides of the connector 128.

In addition, the case 130 is provided with a guide rail 136 for guiding the guide roller 129. The guide rail 136 is installed between an angle 138 fastened to the case 130 by a fastening member such as a screw and an upper plate portion 139 formed at an upper end of the case 130.

The guide rail 136 is formed so that the front surface is open. The guide rail 136 has a rear plate portion 136a and an upper plate portion 136b that is bent forward from the upper end of the rear plate portion 136a, and a lower plate portion 136c that is bent forward from the lower end of the rear plate portion 136a. Included. The connector 128 and the roller 129 are guided by the guide rail 136 between the upper plate 136b and the lower plate 136c.

On the other hand, the filter frame 90 and the case 130 is coupled by a coupling means. The coupling means includes a case fastening part 156 formed on both sides of the upper part of the case 120 and frame fastening parts formed on both left and right sides of the filter frame 90 so as to correspond to the case fastening part 156. 157 and a fastening member 158 penetrating the case fastening part 156 to the frame fastening part 157.

On the other hand, the treatment mechanism 160, as shown in Figure 2 and 4, the separator 162 to shake off the foreign matter adhering to the cleaning device 110, and guides the foreign matter separated from the separator 162. The suction duct 170, the suction force generator 180 connected to the suction duct 170 and generating suction force, separates foreign substances and air discharged from the suction force generator 180 to store the foreign substances, and the air A dust collecting container 190 for discharging is included.

In detail, the separator 162 includes a plurality of protrusions 163 that rub off dust adhered to the brush 117 while being rubbed with the brush 117 of the cleaning device 110. In the separator 162, a foreign matter passing hole through which foreign matter washed by the brush 117 of the cleaning device 110 and foreign matter separated from the brush 117 of the cleaning device 110 passes by the protrusion 163. A large number 164 is formed.

The filter frame 90 is formed with a space 98 through which the foreign matter passing through the foreign matter passage hole 164 flows. In addition, the suction duct 170 is connected to the side portion of the filter frame 90 and communicates with the space 98.

As shown in FIG. 4, the suction duct 170 includes a lower duct 171 having an upper surface opened, and an upper duct 172 coupled to an upper side of the lower duct 171. The lower duct 171 and the upper duct 172 are formed in a shape corresponding to each other.

In addition, the suction duct 170 further includes a connector 173 connected to a connection hose 184 to be described later.

As shown in FIG. 2, the suction force generator 180 includes a cleaning fan housing 181, a cleaning fan disposed to be rotated inside the cleaning fan housing 181, and a cleaning fan to rotate the cleaning fan. A cleaning motor 182 is installed inside or outside the housing 181. The connection hose 184 is connected to the inlet part 183 formed in the cleaning fan housing 181, and the outlet part 186 is connected to the dust collecting container 190.

As shown in FIG. 2, the dust collecting container 190 includes a dust collecting box 191 having one surface opened, a dust collecting cover which covers the opening of the dust collecting box 191 and is coupled with the dust collecting box 191 ( 192). In addition, the dust collecting box 191 is formed with an inlet 193 through which foreign matter and air are sucked.

The dust collecting cover 192 has a partition wall 195 for forming a 'U'-shaped flow path inside the dust collecting box 191 while the dust collecting cover 192 is coupled to the dust collecting box 191. Is formed.

Meanwhile, as illustrated in FIG. 3, an electric wire connecting the light emitting device 140 installed in the cleaning device 110 and the control device 19 installed in the rear frame 10 to the filter frame 90. An electric wire guide 150 for guiding and protecting 143 is installed.

The front cover which forms a space in which the electric wire 143 is located between the rear cover 152 and the rear cover 202, and covers the front of the rear cover 152 in the electric wire guide 150. 154).

At least one of the front surface of the rear cover 152 and the rear surface of the front cover 154 is formed with a wire accommodating part 153 for receiving the electric wire 143. The wire accommodating part 153 may include a pair of ribs formed to be spaced apart from each other by a larger thickness than the thickness of the electric wire 143.

The wire guide 150 has roller guides 152a, 154a, and 154b for guiding the horizontal roller 145 and the vertical rollers 146 and 147 of the light emitting device 140.

An upper horizontal guide 152a for guiding the upper vertical roller 146 of the light emitting device 140 is bent horizontally forward on the rear cover 152. A lower horizontal guide 154a for guiding the lower vertical roller 147 of the light emitting device 140 is bent horizontally forwardly on the front cover 154. The vertical guide 154b for guiding the horizontal roller 145 of the light emitting device 140 is bent perpendicularly to the tip of the lower horizontal guide 154a.

7 is a perspective view showing a coupling relationship between the light emitting device, the cleaning device and the carrier according to the present embodiment, and FIG. 8 is an exploded perspective view of the cleaning device according to the present embodiment.

7 and 8, the carrier 127 is coupled to the upper portion of the cleaning device 110, and the light emitting device 140 is coupled to the lower portion of the cleaning device 110. In this case, the carrier 127 supports the upper side of the cleaning device, and the light emitting device 140 supports the lower side of the cleaning device 110. Therefore, in this embodiment, the carrier 127 and the light emitting device 140 may be referred to as "first support unit" and "second support unit", respectively.

The light emitting device 140 includes a circuit board 142 provided with a display component 141 such as an LED and a light emitting case 144 in which the circuit board 142 is accommodated. The circuit board 142 is connected to the control device 19 by the wire 143 as described above.

In detail, the light emitting case 144 is provided with rollers 145, 146, 147 rolling along the wire guide 150 so that the light emitting case 144 may be guided to the wire guide 150 when the cleaning device 110 moves. do.

The rollers 145, 146, 147 are connected to a vertical axis 144a protruding perpendicularly to the light emitting case 144 to be horizontally rotated and a horizontal roller 145 and the light emitting case 144. Vertical rollers 146 and 147 rotatably connected to the horizontal shafts 144b and 144c protruding horizontally and vertically rotating are included.

The horizontal roller 145 is rotated while moving along the vertical guide 154b of the front cover 154, as shown in FIG.

The light emitting device 140 is fastened to the cleaning device 110 by a fastening member 148a such as a screw and fitted to the light emitting case 144 and the mounting bracket 148 of the light emitting case 144. A light emitting cover 149 may further include a light emitting cover 149 which is hooked to one of the mounting bracket 148 and the light emitting case 144 so as to cover the front, and has a transmission hole 149a through which the light of the display component 141 passes.

In addition, the installation bracket 148 is provided with a guide portion 148b for guiding the coupling of the installation bracket 148 and the cleaning device 110. The guide portion 148b extends downward from both sides of the upper end of the installation bracket 148.

On the other hand, the cleaning device 110, as described above includes a cleaning body 112, and a brush 117 coupled to the cleaning device.

In detail, a coupling part 116 is formed at the upper side of the cleaning body 112 to couple the connection part 127c of the carrier 127 to each other. The coupling part 116 is formed as the upper surface and both sides of the cleaning body 112 are recessed to a certain depth. In addition, the connection part 127c is seated on the coupling part 116 to surround the coupling part 116. In addition, the coupling part is provided with a fastening hole 113a for fastening the fastening member 126.

The lower portion of the cleaning body 112 is formed with a fastening hole 113b through which a fastening member 148a for fastening with the fastening bracket 148 is formed. A pair of guide ribs 114 are formed on the lower side of the cleaning body. The pair of guide ribs 114 are formed to be spaced apart from each other, and the guide portion 148b is positioned between the pair of guide ribs 114.

The brush 117 includes a plurality of brush hairs 117b and a hair support portion 117a for supporting the brush hairs 117b. The mother support part 117a is formed of a flexible material. In addition, the rear surface of the cleaning body 112, the receiving portion 115 for receiving the parent support portion 117a is formed recessed. In addition, the rear surface of the cleaning body is provided with a departure preventing rib 115a for preventing the separation of the mother support portion 117a in a state in which the mother support portion 117a is accommodated in the receiving portion 115. The departure preventing ribs 115a are formed such that the pair face each other. A plurality of pairs are formed in the cleaning body 112.

In order to couple the brush 112 to the cleaning body 112, both ends of the mother support part 117a may be positioned at the middle part 115b of the accommodation part 115. Then, the upper end of the mother support portion 117a is pushed toward the upper side of the accommodating portion 115, and the lower end of the mother support portion 117b is pushed toward the lower side of the accommodating portion 115. Meanwhile, in order to separate the brush 115 from the cleaning body 112, the middle portion of the brush 115 is pulled out.

According to the present embodiment as described above, as the cleaning device 110 is detachably coupled to the carrier 127 and the light emitting device 140, the cleaning device 110 is easily mounted on the main body 2. It has the advantage of being separable.

In addition, since the brush 117 is detachably coupled to the cleaning body 112, the brush 117 may be replaced, and the brush 117 may be easily replaced.

Hereinafter, the operation of the air conditioner according to the present embodiment will be described.

First, when a cleaning command is directly input through an operation unit (not shown), or when a condition of a preset cleaning operation is satisfied, such as when the operation integration time of the air conditioner is greater than or equal to a preset time, the control device 19 is configured to drive the drive device. The moving motor 121 of 120 is driven.

The control device 19 is for movement so that the cleaning device 110 is moved toward the upper right side of the filter frame 90 when the cleaning device 110 is located on the upper left side of the filter frame 90. The motor 121 is controlled to the right shift mode.

The movement motor 121 is rotated in the counterclockwise direction based on FIG. 5 in the right movement mode, the drive roller 122 is rotated in the counterclockwise direction. Then, the wire 124 moves the carrier 127 in the right direction while rotating the support roller 123 in the counterclockwise direction by the counterclockwise rotation of the drive roller 122, the cleaning device 110 Is moved in the right direction together with the carrier 127.

On the other hand, the control device 19 is such that when the cleaning device 110 is located on the upper right of the filter frame 90, the cleaning device 110 is moved toward the upper left of the filter frame 90 The moving motor 121 is controlled to the left moving mode.

In the left movement mode, the rotating motor rotates in the clockwise direction with reference to FIG. 5, and the driving roller 122 is rotated in the clockwise direction. Then, the wire 124 moves the carrier 127 to the left direction while rotating the support roller 123 clockwise by the clockwise rotation of the drive roller 122, the cleaning device 110 is The left side is moved along with the carrier 127.

In addition, when the cleaning apparatus 110 moves left and right, foreign matters of the filter 80 are separated from the filter 80 by the brush 117, and the separated foreign matter is separated from the filter 80 along the brush 117. ) Will move upward. In addition, the foreign matter moved by the brush 117 is separated from the brush 117 by the separator 162 when the brush 117 is in contact with the separator 162.

The foreign matter separated from the brush 117 is moved to the dust collecting container 190 through the suction duct 170 and the suction force generator 180 together with the air. The foreign matter moved to the dust collecting container 190 is separated from the air in the dust collecting container 190 and stored in the dust collecting container 190, and the air separated from the foreign matter is discharged to the outside of the dust collecting container 190. do.

On the other hand, in the process of operating the cleaning device 110 as described above, the light emitting device 140 is operated at the same time. When the light emitting device 140 operates, light generated by the light emitting device 140 passes through the transparent part 45, so that a user can confirm that the cleaning device 110 is operating from the outside. do.

When the cleaning device 110 is moved left and right, at the same time, the light emitting device 140 coupled to the cleaning device 110 is moved left and right. When the light emitting device 140 is moved to the left and right, since the light generated from the light emitting device 140 is moved to the left and right, the user can easily check whether the cleaning device 110 is operated.

Claims (7)

A main body provided with a filter for filtering the air sucked into the inside; A cleaning device provided in the main body to clean the foreign substances of the filter; A first support unit provided on the main body to support the cleaning device and to which the cleaning device is detachably coupled; A drive device for moving the first support unit; And And a second support unit movably provided on the main body and to which the cleaning device is detachably coupled. The method of claim 1, The cleaning device includes a cleaning body coupled with the first support unit and the second support unit, An air conditioner comprising a brush detachably coupled to the cleaning body. The method of claim 2, The brush includes a plurality of brush hairs, a hair support portion for supporting the plurality of brush hairs, And the cleaning body is provided with a receiving portion for receiving the mother support portion. The method of claim 3, wherein And the cleaning body includes a departure preventing rib that prevents the main body from being detached from the state accommodated in the receiving portion. The method of claim 1, The drive device includes an air conditioner including a wire provided to move the first support unit, and a wire drive mechanism for driving the wire. The method of claim 1, The second support unit includes an installation bracket for coupling with the cleaning device, The cleaning device is provided with a plurality of guide ribs for guiding engagement with the second support unit, The installation bracket has an air conditioner formed with a guide portion located between the plurality of guide ribs. The method of claim 1, Further comprising a filter frame for supporting the filter, And the second support unit moves together with the cleaning device in a state supported by the filter frame.