KR20060016010A - Structure for separating and setting up free filter of indoor unit - Google Patents

Abstract

A detachment / mounting structure of the indoor unit prefilter according to the present invention includes a front frame in which an air inlet is formed so that air flows; A decorative panel detachably installed on the front frame; A filter provided on the flow path of air flowing through the front frame to filter the air; And a coupling means for separating the filter when the decorative panel is detached by combining the decorative panel and the filter, and the prefilter and the lower decorative panel are directly coupled by the coupling means. There is an effect of easily separating the filter at one time.

Description

Structure for separating and setting up free filter of indoor unit}             

1 is a perspective view showing an air conditioner according to the present invention

Figure 2 is an exploded perspective view showing an indoor unit according to the present invention

Figure 3 is a cross-sectional view showing the interior of the indoor unit according to the present invention

4 is a cross-sectional view of the suction grill installed in the front frame of the indoor unit according to the present invention.

5 is an exploded perspective view showing a filter unit of an indoor unit according to the present invention;

FIG. 6 is a perspective view illustrating a detachment / mounting structure of a prefilter according to a first embodiment of the present invention; FIG.

Figure 7 is a perspective view showing the separation process of the lower decorative panel and the pre-filter according to the first embodiment of the present invention

8 is an exploded perspective view showing a lower decorative panel according to a first embodiment of the present invention;

Figure 9 is an exploded perspective view showing a lower decorative panel according to a second embodiment of the present invention

10 is a partially cutaway perspective view showing a front panel opening and closing structure of a conventional indoor unit

<Explanation of symbols on main parts of the drawings>                 

50: indoor unit 52: chassis

53: rear air intake 54: front frame

55: front air inlet 56: top air inlet

57: air discharge port 58: discharge hole

59: display 60: front panel

62: electric dust collector 63: pre-filter

63a: engaging projection 63a ': hook groove

63b: Round 64: Link Means

64a: first fitting member 64b: second fitting member

65: link 1 67: pinion

68: motor for front panel rotation 69: rack

70: filter unit 71: filter case

71a: suction hole 71b: communication hole

71c: filter entrance hole 72: filter

72a: pre-filter 72b: nano copper filter

72c: nano silver filter 72d: electrostatic precipitator

73: guide 74: front cover

75: louver 76: louver rotating motor

77: power supply plate 78: power supply plate

80: suction grill 90: blower                 

92: blowing motor 94: blowing fan

96: indoor heat exchanger 97: vertical part

98: first inclined portion 99: second inclined portion

102: condensate receiver 104: louver

106: vane 108: discharge grill

110: control box 112: upper decorative panel

114: lower decorative panel 114a: coupling groove

114b: hook 114c: second guide protrusion

115: seating portion 115a: first guide rail

115b: fixed end 115c: second guide rail

116: side 116a: first guide protrusion

120: outdoor unit 122: refrigerant piping

124: oxygen generator 126: guide hose

The present invention relates to an indoor unit of a separate type air conditioner, and more particularly, to a detachment / mounting structure of an indoor unit prefilter for detaching / mounting a prefilter provided inside an indoor unit.                         

In general, an air conditioner is classified into an integrated type which is installed in one and a separate type that is divided into an indoor unit and an outdoor unit. Here, the one-piece type and the separate type are functionally the same, but the one-piece type integrates the function of cooling heat dissipation, and is directly installed by drilling a hole in the wall of the house or by hanging the device on the window. By installing a heat dissipation and compression device, the two separate devices were connected by refrigerant pipes.

10 is a partially cutaway perspective view showing a front panel opening and closing structure of a conventional indoor unit.

As shown in FIG. 10, a conventional indoor unit is provided with a chassis 1 located at a wall side of a room, a front frame 2 coupled to a front side of the chassis 1, and a front from the front frame 2. And an opening and closing means for opening and closing the front panel 3 between the front panel 3 to be opened and closed, and the front panel 3 and the front frame 2.

The opening and closing means includes a motor 4 installed on the front frame 2, a first link 5 connected to the motor 4 to rotate, the front panel 3, and the first link 5. And a second link 6 which is hinged.

Here, look at the operation of the opening and closing means as follows.

First, the motor 4 rotates the first link 5, and the second link 6 hinged according to the rotation angle of the first link 5 is moved to the front side. Here, the front panel 3 is supported by the lower side of the front frame 2, the front panel 3 is rotated about the lower end when the second link 6 is moved forward.                         

On the other hand, the indoor unit is provided with a pre-filter (not shown) for filtering foreign matter in the air flowing, the pre-filter is disposed inside the front panel (3).

However, in order to replace or separate the prefilter, the user could access the prefilter installed inside the indoor unit only after separating the front panel 3 from the front frame 2 side.

Therefore, in the indoor unit having the front panel 3 that is conventionally opened and closed, since the prefilter needs to be replaced after the front panel 3 is removed, the process is cumbersome and time and user's effort in the process of separating the front panel 3. This has a lot of trouble.

The present invention has been made to solve the above problems of the prior art, by combining the lower decorative panel and the pre-filter provided in the front frame to separate the pre-filter provided in the indoor unit without separating the front panel prefilter of the indoor unit The purpose is to provide a detachable structure.

In order to solve the above problems, a prefilter detachment / attachment structure of an indoor unit according to the present invention includes a front frame formed with an air inlet such that air flows; A decorative panel detachably installed on the front frame; A filter provided on the flow path of air flowing through the front frame to filter the air; Combining the decorative panel and the filter is characterized in that it comprises a coupling means for separating the filter when the decorative panel is detached.

Here, the filter combined with the decorative panel is a prefilter.

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

1 is a perspective view showing an air conditioner according to the present invention, Figure 2 is an exploded perspective view showing an indoor unit according to the present invention, Figure 3 is a cross-sectional view showing the interior of the indoor unit according to the present invention.

1 to 3, the indoor unit 50 of the split type air conditioner according to the present embodiment includes a chassis 52 fixed to a wall of a room, and a front frame coupled to the front of the chassis 52. Including an external shape 54, a predetermined space is formed between the chassis 52 and the front frame 54 to provide an indoor heat exchanger 96, a blower 90, and the like.

The front frame 54 is formed with a front air intake port 55 through which the indoor air is sucked on the front surface, and an upper air intake port 56 through which the indoor air is sucked on the upper surface thereof, and a lower side of the front air intake port 55 The air discharge port 57 is formed.

Here, the front panel 60 is rotatably installed at the front air inlet 55, the filter unit 70 is installed at the upper air inlet 56, and the discharge grill 108 is disposed at the air outlet 57. ) Is installed.

In addition, a discharge hole 58 is formed at one side of the front frame 54 to discharge oxygen, wet air, or fresh air.

In addition, on the left and right sides of the front frame 54, a display 59 for displaying operation information of the air conditioner and pressing various operations such as forced operation of the air conditioner is mounted.

The display 59 includes a printed circuit board, a plurality of LEDs mounted on the printed circuit board, and a diffuser plate disposed in front of the LEDs to press and spread the light of the LEDs. The rear of the display 59 is provided with a um switch which is pressed by the printed circuit board and switches to forcibly drive the air conditioner.

The front panel 60 is rotatably installed on the front surface of the front frame 54 to open and close the front air intake port 55 depending on whether the indoor unit 50 is operated.

The front of the front panel 60 is a mirror is attached, a color panel of a specific color is attached or a picture frame is attached.

The display 61 includes at least one of various display devices such as the LED and the LCD.

Preferably, the display 61 is provided with an LCD or the like such that driving information can be displayed by scrolling letters or the like.

On the other hand, the filter unit 70 is installed on the upper surface of the front frame 54, the air sucked into the upper surface air intake port 56 is purified while passing through the filter unit 70.

Here, as shown in FIG. 4, the suction grill 80 may be installed instead of the filter unit 70, and when the suction grill 80 is mounted, the structure is simple and the cost is low.

Thus, the filter unit 70 and the suction grill 80 are attached to the upper surface of the front frame 54 by any one of the bonding means such as bond, or the front frame (by fastening means such as fastening bolts) 54 is fixedly mounted on the top surface, or is mounted on the top surface of the front frame 54 by a locking means such as a hook.

Reference numeral 120 denotes an outdoor unit equipped with a compressor and an outdoor heat exchanger.

Reference numeral 122 is a refrigerant pipe connecting the indoor unit 50 and the outdoor unit 120 of the separate air conditioner.

Reference numeral 124 is a device installed in the outdoor unit 120 to generate oxygen, wet air or fresh air blown to the indoor unit, and will be described below with an oxygen generator for generating oxygen for convenience of description. .

Reference numeral 130 is a guide hose connected to the oxygen generator 124 to guide the oxygen generated by the oxygen generator 124 to the discharge hole 58 of the front frame 54.

On the other hand, an expansion mechanism (not shown) is installed on one side of the indoor unit and the outdoor unit 120 of the separate air conditioner.                     

As illustrated in FIGS. 2 to 4, an electrostatic precipitator 62 is installed inside the front surface of the front frame 54 to ionize and collect foreign substances in the air sucked through the front air inlet 55. On the front side of the dust collector 62, a pre-filter 63 for filtering foreign substances in the air sucked through the front air inlet 55 is installed.

Meanwhile, a blower 90 is installed inside the indoor unit 50, and the blower allows the indoor air to flow through the indoor unit, and the indoor air flows through the rear air suction port 53, the front air suction port 55, and the upper air. After the suction through the inlet 56, the air is discharged through the air outlet 57 through the indoor unit 50.

The blower 90 is mounted on the front of the chassis 52 and the blower motor 92 has a rotary shaft 91 protrudes and the blower connected to the rotary shaft 91 so as to be rotated by the blower motor 92. It consists of a fan 94.

The blower fan 94 is a crossflow fan, which is disposed to the left and right in front of the chassis 52.

In addition, the indoor heat exchanger (96) heat-exchanges the indoor air and the refrigerant, and vertically (97) disposed vertically behind the front air inlet (55), and inclined upward from the upper end of the vertical portion (97). The first inclined portion 98 is arranged, and the second inclined portion 99 disposed to be inclined downward from the upper end of the first inclined portion 98.

A condensate receiver 102 is formed below the indoor heat exchanger 96, and a discharge grill 108 is mounted inside the air discharge port 57. The discharge grill 108 includes a louver 104 for changing the left and right wind direction of the discharged air and a vane 106 for changing the up and down wind direction.

Reference numeral 110 is a control box mounted to the front of the blower motor 94 of the blower 90 is equipped with electrical components for controlling the air conditioner.

Reference numeral 112 denotes an upper decorative panel disposed to the left and right on the front upper side of the front frame 54.

Reference numeral 114 denotes a lower decorative panel disposed on the lower left side of the front frame 54 to the left and right.

5 is an exploded perspective view of the filter unit shown in FIGS. 2 and 3.

As shown in FIG. 5, the filter unit 70 includes a filter case 71 having a suction hole 71a through which indoor air is sucked and a communication hole 71b communicating with the inside of the indoor unit, and the filter case 71. And one or more filters mounted on the panel.

The filter case 71 has the suction hole 71a formed on an upper surface thereof, and the communication hole 71b formed on a lower surface thereof.

The filter case 71 has a filter access hole 71c for entering and exiting the filter 72.

The filter case 71 is provided with the filter entrance hole 71c on the front side.

The filter case 71 is formed with a guide 73 for guiding the sliding of the filter 73 so that the filter 72 is sliding in and out, the guide 73 is the left and right inner surface of the filter case 71. Is formed.                     

The filter unit 70 further includes a front cover 74 that blocks the filter entrance hole 71c when the filter 72 is mounted.

The front cover 74 is rotatably connected to the rotation shaft (74a, 74b) on both side surfaces of the filter case 71.

The filter unit 70 further includes a louver 75 rotatably disposed in the suction hole 65a, and the louver 75 opens and closes the suction hole 71a and the suction hole. As guides the indoor air sucked toward the 71a, the rotary shafts 75a and 75b protrude on both the right and left sides.

The filter unit 70 further includes a louver rotating motor 76 installed in the filter case 71 to rotate the louver 75.

The filter comprises at least one of a pre-filter, an electrostatic precipitator, a hepa filter, a nano carbon filter, a nano copper filter, and a nano silver filter, and for convenience of description, the pre filter 72a and the nano copper filter ( 72b), the nano silver filter 72c, and the electric dust collector 72d are attached and demonstrated.

The filter 72a, 72b, 73c, 74d extends in front of the back air inlet 53 and allows the at least one 72a to purify the air sucked into the back air inlet 53 and the back air inlet The front part of 53 is bent.

Reference numeral 77 denotes a power supply plate installed in the front frame 54 for supplying power to the electrostatic precipitator 72d or the louver rotating motor 76.

Reference numeral 78 denotes the electric dust collector 72d or the louver rotating motor 76 that is installed and supplied to the filter case 71 so as to contact the power supply plate 77 when the filter unit 70 is mounted. It is a power supply plate to apply.

Meanwhile, as shown in FIG. 3, the opening and closing structure of the front panel according to the present invention includes a motor 68, which is a driving device fixed inside the front frame 54, and a pinion 67 rotated by the motor 68. And a rack 69 engaged with the pinion 67 to be moved.

And the front panel 60 is installed in front of the front frame 54, the lower side of the front panel 60, which is moved by the rack 69 on the lower front side of the front frame 54 by hinge fixing Link means 64 for rotating the front panel 60 are provided.

The link means 64 allows the front panel 60 to be rotated to the front side and the front panel 60 and the front frame 60 when the front panel 60 is separated from the front frame 54. 54) to extend the distance between them.

Thus, the link means 64 is hingedly connected to the first lower portion of the front of the front frame 54, the lower portion of the first link 65 and the bottom of the front panel 60 and hinged connection And a second link 66 which is hinged, and the first and second links 65 and 66 are hinged to each other.

In addition, a fitting member is provided between the first link 65 and the front frame 54, and the fitting member includes first and second fitting members 64a and 64b to form the front frame 54 and the It is provided in each of the front panel 60, the first and second fitting members 64a and 64b are coupled by fitting.

In particular, the second fitting member 64b has a spherical end, and the end of the first fitting member 64a is configured to surround the spherical end of the second fitting member 64b.

6 is a perspective view illustrating a detachment / installation structure of a prefilter according to a first embodiment of the present invention, and FIG. 7 is a perspective view illustrating a separation process of a lower decorative panel and a prefilter according to a first embodiment of the present invention. 8 is an exploded perspective view showing the lower decorative panel according to the first embodiment of the present invention.

6 to 8, the lower decorative panel 114 according to the present invention is coupled to a seating portion 115 formed on the front surface of the front frame 54, and the seating portion 115 is the front frame. It is formed to protrude forward from the front of the 54, the lower decorative panel 114 is installed on the protruding seat 115 is detachable / mounting.

The lower decorative panel 114 is formed in a shape surrounding the seating part 115, and the side part 116 is bent to a shape surrounding the seating part 115.

Therefore, the seating unit 115 has a first guide rail 115a and a first guide protrusion 116a as guide means for guiding the movement of the lower decorative panel 114 when the lower decorative panel 114 is removed / mounted. Is provided, the first guide rail (115a) is formed on the side of the seating portion 115, the first guide protrusion (corresponding to the first guide rail (115a) on the inner surface of the side portion 116 ( 116a) is formed. In addition, the first guide protrusion 116a guides the movement of the lower decorative panel 114 when the lower decorative panel 114 is removed / mounted, and the lower decorative panel 114 has the seating portion ( 115) to prevent it from moving forward.

In addition, a fixing end 115b and a hook 114b are formed in the indoor unit as fixing means for stably fixing the lower decorative panel 114 to the seating portion 115, and the fixing end 115b is formed in the indoor unit. It is a jaw-shaped step formed from the front side of the seating portion 115 to the rear side, and the hook 114b is a hook 114b that is caught by the step of the fixed end 115b.

In addition, the fixed end 115b extends in the detachable / mounting direction of the lower decorative panel 114 to form a second guide rail 115c, and the groove 115c is formed like the first guide rail 115a. Guide the movement direction of the lower decorative panel 114. In addition, a second guide protrusion 114c protruding to the rear side is formed on an inner surface of the lower decorative panel 114.

Meanwhile, as shown in FIG. 3, a central portion of the front frame 54 is opened to allow air to flow, and the prefilter 63 is provided on the flow path of the air, and the lower decorative panel 114 is provided. ) Is formed in a 'U' shape around the lower side of the open central portion.

6 to 8, a coupling means for coupling the prefilter 63 and the lower decorative panel 114 is provided between the prefilter 63 and the lower decorative panel 114. The coupling means is a coupling protrusion 63a formed on the lower side of the prefilter 63 and a coupling groove 114a formed in the lower decorative panel 114 to fix the coupling protrusion 63a.

The coupling protrusion 63a is formed to protrude forward, and the lower side of the coupling protrusion 63a to which the lower decorative panel 114 enters is rounded for easy coupling with the coupling groove 114a. It is formed of 63b.

9 is an exploded perspective view showing a lower decorative panel according to a second embodiment of the present invention.

The lower decorative panel 114 shown in the drawing has a structure similar to that of the first embodiment, but the coupling means of the prefilter 63 and the lower decorative panel 114 is different. As a structure for fixing the prefilter 63, a hook groove 63a ′ is formed in the prefilter 63, and a hook 114a ′ is formed and coupled to the lower decorative panel 114.

Herein, the coupling force of the fixing means illustrated in FIGS. 6 to 8 is smaller than the coupling force of the coupling means, thereby preventing the coupling means from being damaged by the user's force when the lower decorative panel 114 is separated.

On the other hand, the guide rail and the guide protrusion of the guide means, the fixing end and hook of the fixing means and the coupling protrusion and the coupling groove of the coupling means may be provided in a corresponding configuration, respectively. In addition, the position and shape of the guide means, the fixing means and the coupling means may be variously applied based on the spirit of the present inventors.

Hereinafter, the desorption / removal process of the lower decorative panel 114 and the desorption process of the prefilter 63 will be described.

First, when the lower decorative panel 114 is mounted, the assembler is coupled to the lower decorative panel 114 in close contact with the seating portion 115. At this time, the lower decorative panel 114 coupled to the seating portion 115 is guided by the first and second guide protrusions 116a and 114c guided by the first and second guide rails 115a and 115c. Guided stably.

In addition, the lower decorative panel 114 guided by the guide means is fixed to the seating portion 115 by the hook 114b, which is a fixing means, being locked to the fixed end 115b. do.

Here, the prefilter 63 may be already installed in the front frame 54 before the lower decorative panel 114 is installed, or may be installed in the front frame 54 after the lower decorative panel 114 is installed. It may be.

However, regardless of the installation order of the prefilter 63, the coupling protrusion 63a of the prefilter 63 is coupled to the coupling groove 114a, and thus the lower decorative panel 114 is installed in the prefilter 63 installed. ) Is installed when the defect groove 114a is easily coupled along the round 63b of the coupling protrusion 63a and the prefilter 63 is coupled to the installed lower decorative panel 114. The coupling protrusion 63a is fitted to the protrusion 63a.

Here, the prefilter 63 is seated on the front frame 54 or is fitted and fixed by a predetermined friction.

Thereafter, the front panel 60 is installed in front of the lower decorative panel 114 in combination with the link means 64.                     

On the other hand, when the user removes the prefilter 63 to replace or clean the prefilter 63 after the installation of the lower decorative panel 114 is completed, the user does not separate the front panel 60 without the The prefilter 63 is separated through the lower decorative panel 114.

That is, when the user pulls the lower decorative panel 114 downward, the hook 114b caught by the fixed end 115b is released and the lower decorative panel 114 moves downward along the guide means. do. At this time, the prefilter 63 fixed to the lower decorative panel 114 by a coupling means is moved downward along the lower decorative panel 114 to be separated from the front frame 54.

Thereafter, when the prefilter 63 is re-installed on the front frame 54, the user may combine the prefilter 63 and the lower decorative panel 114 by the coupling means, and the front panel 60 and the front panel. The prefilter 63 may be installed through the space between the frames 54.

On the other hand, look at the operation of the air conditioner according to the present invention configured as described above are as follows.

First, when the compressor of the outdoor unit 120 is driven, refrigerant is circulated in the compressor, the outdoor heat exchanger, the expansion mechanism, and the indoor heat exchanger, and the indoor heat exchanger 96 deprives the surrounding heat or releases heat to the surroundings. To cool / heat the surrounding air.

1 to 5, when the front panel pivoting motor 68 is driven in an open mode to drive an air conditioner, the pinion 67 is rotated by the motor 68 and the The rack 69 is advanced and the front panel 60 is rotated forward by the second link 66 about the first link 65 to open the front air inlet 55.

When the louver rotating motor 76 is driven in the open mode, the louver 75 opens the suction hole 71a of the filter case 71.

In addition, when the blower motor 92 of the blower 90 is driven, the blower fan 94 is rotated, and the indoor air at the front side, the upper side, and the rear side of the indoor unit 50 of the separate air conditioner is the front surface. The air intake port 55, the upper air intake port 56, and the rear air intake port 53 are sucked in.

As the indoor air sucked into the front air intake port 55 passes through the prefilter 63 mounted on the front side of the front frame 54, foreign substances such as dust are caught by the prefilter 63.

The indoor air, through which the foreign matter is filtered while passing through the pre-filter 63, passes through the electric dust collector 62 mounted on the front side of the front frame 54, and small dust that is not filtered by the pre-filter 63. Ionize and collect foreign substances.

The purified indoor air is cooled / heated by the refrigerant while passing through the vertical portion 97 or the first inclined portion 98 of the indoor heat exchanger 96.

Meanwhile, the indoor air sucked into the upper surface air intake port 56 is purified by the filter 72 while passing through the filter unit 70, and then the first inclined portion 98 or the first slope of the indoor heat exchanger 96. 2 is cooled / heated by the refrigerant while passing through the inclined portion 99.

The purifying action of the filter unit 70 will be described in more detail. The indoor air sucked into the upper surface air suction port 56 passes through the suction hole 71a of the filter case 71 so that It is sucked into the inside, while passing through the pre-filter 72a, the nano-copper filter 72b, the nano-silver filter 72c, and the electrostatic precipitator 72d, foreign matters such as dust are filtered, antibacterial or sterilized, and small dust Foreign matter such as ionization is collected by ionization, and flows into the space between the chassis 52 and the front frame 54 through the communication hole 71b.

On the other hand, the indoor air sucked into the rear air intake port 53 is purified by the filter 72a extending and bent in front of the rear air intake port 53 among the filters 72a, 72b, 73c, and 74d. And is cooled / heated by the refrigerant while passing through the second inclined portion 99 of the indoor heat exchanger 96.

The indoor air cooled / heated as described above is guided by the louver 104 and the vane 106 of the discharge grill 108 after passing through the blower fan 94 to the room through the air discharge port 57. Discharged.

On the other hand, when the separate type air conditioner is cleanly operated while the filter unit 70 is mounted on the upper surface of the front frame 54, the compressor of the outdoor unit is not driven, and the louver rotating motor 76 is in an open mode. The air blower motor 92 of the blower 90 is driven.

When the louver rotating motor 76 is driven in the open mode and the blowing motor 92 is driven, the indoor air that is above the indoor unit of the separate air conditioner is cooled or heated by the separate air conditioner. As shown in the drawing, the filter unit 70 is purified while passing through, and is sucked into the indoor unit of the split air conditioner, passes through the indoor heat exchanger 96 without heat exchange, and passes through the blower fan 94. Subsequently, the louver 104 and the vane 106 of the discharge grill 108 are guided and discharged into the room through the air discharge port 57.

On the other hand, the front panel rotation motor 68 may be driven in the open mode as the louver rotation motor 76 during the clean operation of the separate air conditioner.

That is, when the front panel rotating motor 68 is driven in the open mode during the clean operation as described above, indoor air is also sucked through the front air inlet 55, and the sucked indoor air is the front frame 54. After being purified by the pre-filter 63 and the electrostatic precipitator 62 installed on the front side of the discharge through the air discharge port 57 with the air passing through the filter unit 70 is discharged into the room.

On the other hand, when the separate type air conditioner is deactivated, the compressor of the outdoor unit 120 is stopped driving, the front panel rotating motor 68 is driven in a sealed mode, and the louver rotating motor 76 is sealed. Mode is driven, and the blower motor 92 of the blower 90 is stopped.

 The detachment / mounting structure of the prefilter of the indoor unit according to the present invention has the advantage of easily separating the prefilter at a time when the prefilter is detached because the prefilter and the lower decorative panel are directly coupled by the coupling means.

In addition, the detachment / mounting structure of the prefilter of the indoor unit according to the present invention has the advantage that the user can easily replace or clean the prefilter because the prefilter can be separated without the front panel separation process.

In addition, the indoor unit according to the present invention has an advantage that the lower decorative panel can be installed more stably by providing a guide means and a fixing means for installing the lower decorative panel.

Claims (7)

A front frame formed with an air inlet so that air flows; A decorative panel detachably installed on the front frame; A filter provided on the flow path of air flowing through the front frame to filter the air; Decoupling / mounting structure of the indoor unit filter comprising a coupling means for coupling the decorative panel and the filter to separate the filter when the decorative panel is detached. The method of claim 1, The coupling means includes a coupling protrusion formed on any one of the filter and the decorative panel; And a coupling groove formed on the other of the filter and the decorative panel, the coupling groove coupled to the coupling protrusion. The method of claim 2, The engaging projection is a detachable structure of the indoor unit filter, characterized in that the entry direction of the decorative panel is formed in a round portion to facilitate the coupling of the engaging projection and the coupling groove. The method of claim 1, The front panel is provided with a seating portion on which the decorative panel is seated, Detachment structure of the indoor unit filter, characterized in that the mounting portion and the decorative panel has a fixing means for removing / mounting the decorative panel is formed. The method of claim 4, wherein The decorative panel is a structure for removing / mounting the indoor unit filter, characterized in that installed on the front lower side of the front frame. The method of claim 1, The mounting unit and the decorative panel of the indoor unit filter removal / mounting structure, characterized in that the guide means for guiding the moving direction of the decorative panel to be removed / mounted is formed. The method of claim 6, The guide means includes a guide rail formed on any one of the seating portion and the decorative panel; Removal structure of the indoor unit filter, characterized in that the guide projection formed on the other one of the seating portion and the decorative panel.

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