KR102229473B1 - Indoor unit for air conditioner - Google Patents

Abstract

The present invention relates to an indoor unit of an air conditioner.
The indoor unit of the air conditioner according to an embodiment of the present invention includes a front panel that is movably provided, an electric wire connected to the front panel, and a link surrounding the electric wire. It can prevent the wires from interfering with the surrounding parts and damaging them.

Description

Indoor unit for air conditioner

The present invention relates to an indoor unit of an air conditioner.

The indoor unit of the air conditioner may be classified into an upright type, a wall-mounted type, or a ceiling type, depending on the installation location. Among them, the wall-mounted indoor unit is understood as an air conditioner of a type installed so as to be attached to a vertical wall surface.

In order to prevent the wall-mounted indoor unit from being separated from the wall surface, the conventional wall-mounted indoor unit needs to be manufactured as light as possible. To this end, the case forming the exterior of the indoor unit, in particular, the front panel is generally made of a relatively lightweight plastic resin.

According to the prior art, there is a problem in that vibration generated when the blowing fan is driven causes vibration on a relatively light front panel, and thus, noise of the indoor unit increases.

In addition, there is a problem in that the outer surface of the front panel is easily dirty or discolored.

In order to prevent this problem, a technology in which the front panel of the indoor unit is made of a metal material having a relatively heavy weight has been proposed. The prior document below discloses an indoor unit of an air conditioner having a front panel made of a metal material. Information in prior literature is as follows.

1. Registration No. (Registration Date): Japanese Patent No. 5606339 (February 21, 2006)

2. Title of invention: Indoor unit of air conditioner

The above prior document discloses a configuration in which a resin panel is directly bonded to the rear side of a metal panel, and in this case, the following problems may occur.

First, since the metal panel is relatively heavier than the resin panel, even if the metal panel is combined with the resin panel by forming a hook structure, the metal panel may be easily separated. In this process, the resin panel may be damaged.

Second, since more gravity acts on the metal panel compared to the resin panel, the metal panel or the resin panel may be deformed. Accordingly, there may be a problem in that the bonding between the metal panel and the resin panel is released.

Third, since the metal panel has a relatively heavy weight, there is a problem that it is difficult to control the direction of the discharge air flow by moving the metal panel.

An object of the present invention is to provide an indoor unit of an air conditioner in which a front panel is provided so as to be movable in an up-down direction to selectively open a front discharge portion of the indoor unit, so that the direction of the discharge air flow can be easily adjusted. .

In addition, a panel driving unit for moving the front panel in an up-down direction is provided, and by interlocking a gear of the panel driving unit and a rack provided on the front panel side, the front panel can be easily moved up and down. It aims to provide the indoor unit of the.

In addition, in the process of moving the front panel in the vertical direction, an air conditioner that can prevent the wires disposed inside the indoor unit from interfering with the surrounding parts to damage the wires or prevent the movement of the front panel from being obstructed by the wires. It aims to provide an indoor unit of the unit.

In addition, an object of the present invention is to provide an indoor unit of an air conditioner in which the front panel of the indoor unit is made of a metal material so that vibration does not easily occur even by vibration generated from the indoor unit.

In addition, it is an object of the present invention to provide an indoor unit of an air conditioner that does not significantly increase the weight of the entire indoor unit by making the case body excluding the front panel of the parts constituting the case of plastic injection molding.

In addition, an object of the present invention is to provide an indoor unit of an air conditioner in which the front panel and the support frame of different materials are combined using a panel bracket so that the front panel can be firmly supported by the support frame.

In addition, an object of the present invention is to provide an indoor unit of an air conditioner, which is provided with a display unit on the front panel to easily check operation information of the indoor unit.

The indoor unit of the air conditioner according to an embodiment of the present invention includes a front panel that is movably provided, an electric wire connected to the front panel, and a link surrounding the electric wire. It can prevent the wires from interfering with the surrounding parts and damaging them.

In addition, the wire may be configured to connect the control box and the display assembly provided on the front panel so that power can be supplied to the display assembly.

In addition, both sides of the link are rotatably provided on the front panel and the main body assembly and are configured to change their shape according to the movement of the front panel, so that the front panel can be stably supported and the smooth movement of the front panel can be guided. have.

Particularly, when the link includes at least two links and the front panel moves in an up-down direction, the two links perform a relatively rotating movement, thereby facilitating the vertical movement of the front panel.

In addition, since the front panel is made of a relatively lightweight aluminum material among metal materials, the weight of the entire indoor unit may be relatively reduced.

In addition, a support frame is coupled to the rear of the front panel, so that a relatively heavy front panel can be rigidly supported.

In addition, since the front panel made of metal and the support frame made of plastic resin are joined through the panel bracket, the front panel is firmly coupled, and the amount of stress transmitted to the front panel according to the weight difference is reduced to reduce the amount of the front panel. Can be prevented from being deformed.

In addition, a rack extending in the vertical direction is provided at the rear part of the front panel, and a gear interlocking with the rack is provided at the panel driving part, and the front panel can be easily moved in the vertical direction by interlocking the rack and the gear. I can.

In addition, since rail coupling portions protruding rearward and coupled to the rail are provided on both sides of the support frame, smooth movement of the front panel can be guided.

An indoor unit of an air conditioner according to an embodiment of the present invention includes a main body assembly including a control box; A panel assembly moving in a vertical direction from a front of the main body assembly and in which a display assembly is installed; A wire connected to the display assembly and extending to the control box; And a link surrounding the outside of the electric wire.

One side of the link may be coupled to the display assembly, and the other side of the link may be coupled to the main body assembly.

The link includes: a first link rotatably coupled to a link bracket of the display assembly; And a second link rotatably coupled to the first link.

The first link includes a first part having a first protrusion inserted into the link bracket; A bending part bent from the first part; And a second part extending from the bending part and coupled to the second link.

A second protrusion provided on the second part; And a first protrusion coupling portion provided in the second link and into which the second protrusion is rotatably inserted.

The first and second links have an empty bar shape, and an accommodation space in which the electric wire is located is formed inside the first and second links.

It extends from both ends of the first and second links and is disposed outside the open receiving space to support the electric wire.

A second protrusion coupling portion provided on the second link; And a third protrusion provided on the inner surface of the main body assembly and inserted into the second protrusion coupling part.

A link hole into which the link is inserted is formed in the front portion of the main body assembly, and the link may extend from the display assembly to the rear of the front portion of the main body assembly through the link hole.

While the panel assembly moves upward or downward, the angle formed by the first and second links may be changed.

The first set angle θ1 formed by the first and second links when the panel assembly is in the central position is a second set angle θ2 formed by the first and second links when the panel assembly is in the upper position It is characterized by a larger one.

The third set angle θ3 formed by the first and second links when the panel assembly is in the lower position is a first set angle θ1 formed by the first and second links when the panel assembly is in the central position It is characterized by a larger one.

A panel driving unit installed on the main body assembly and providing a driving force for vertical movement to the panel assembly; And a gear assembly interlocking with the panel driving unit.

It is provided in the panel assembly, and includes a rack interlocking with the gear assembly.

A gear hole through which a gear provided in the gear assembly passes is formed in the front portion of the main body assembly.

According to an exemplary embodiment of the present invention, the front panel is provided so as to be movable in the vertical direction, so that the front discharge portion of the indoor unit is selectively opened, so that the direction of the discharge air flow can be easily adjusted.

In addition, a panel driving unit for moving the front panel in an up-down direction is provided, and by interlocking a gear of the panel driving unit and a rack provided on the front panel side, the front panel can be easily moved up and down.

In addition, while the front panel is moved in the vertical direction, an electric wire disposed inside the indoor unit interferes with peripheral components, so that the electric wire may be damaged or the movement of the front panel may be prevented from being obstructed by the electric wire.

In addition, since the front panel of the indoor unit is made of a metal material, vibration may not easily occur due to vibration generated by the indoor unit.

In addition, among the parts constituting the case, the case body excluding the front panel is made of plastic injection molding, so that the weight of the entire indoor unit may not be significantly increased.

In addition, the front panel may be firmly supported by the support frame by combining the front panel and the support frame made of different materials using the panel bracket.

In addition, a display unit is provided on the front panel, so that operation information of the indoor unit can be easily checked.

1 is a view showing an indoor unit of an air conditioner according to an embodiment of the present invention installed on a wall.
2 is a perspective view showing the configuration of the indoor unit.
3 is a front view showing an indoor unit in a state in which the front panel is moved upward according to an exemplary embodiment of the present invention.
4 is an exploded perspective view showing the configuration of the indoor unit.
5 is an exploded perspective view showing the configuration of a case according to an embodiment of the present invention.
6 is a perspective view showing parts of an indoor unit installed inside the case.
7 is a cross-sectional view taken along 7-7' of FIG. 2.
8 is an exploded perspective view showing the configuration of an assembly of a front panel and a support frame (hereinafter, panel assembly) according to an embodiment of the present invention.
9 is a perspective view showing a state of a link coupled to a display assembly according to an embodiment of the present invention.
10 is a view showing a state in which the link is arranged at the rear of the support frame according to an embodiment of the present invention.
11 is an exploded perspective view of a display assembly and a panel assembly according to an embodiment of the present invention.
12 is an exploded perspective view showing a state in which a panel assembly is assembled using a panel bracket according to an embodiment of the present invention.
13 is a cross-sectional view taken along 13-13' of FIG. 4.
14 is a perspective view showing a configuration of an assembly of a case body and a grill frame (hereinafter, a body assembly) according to an embodiment of the present invention.
15 is a front view showing the configuration of the front part of the indoor unit in a state in which the panel assembly according to the embodiment of the present invention is removed.
16 is a perspective view showing a partial configuration of a front part of an assembly of a case body and a grill frame (hereinafter, a body assembly) according to an embodiment of the present invention.
FIG. 17 is an enlarged view of portion "A" of FIG. 16.
18 is a view showing a state in which a link according to an embodiment of the present invention is supported on a side portion of a case body.
19 is a cross-sectional view illustrating a state in which an electric wire connects a display assembly and a control box according to an embodiment of the present invention.
FIG. 20 is a cross-sectional view taken along 20-20' of FIG. 2.
21 is a cross-sectional view showing a state when the panel assembly is moved upward.
22 is a plan view showing the configuration of the indoor unit in a state in which the panel assembly according to the embodiment of the present invention is removed.
23 is a perspective view showing the configuration of a grill frame according to an embodiment of the present invention.
24 is an exploded plan view showing the configuration of a panel assembly and a case body according to an embodiment of the present invention.
25 is a view showing a state in which the panel assembly is coupled to a rail.
FIG. 26 is a cross-sectional view taken along 21-21' of FIG. 2.
27 is an exploded perspective view of a panel assembly and a case body showing a panel driving part for moving the panel assembly according to an embodiment of the present invention.
28 is an exploded perspective view of a panel assembly and a case body showing the configuration of a holder and a holder bracket according to an embodiment of the present invention.
29 is a diagram illustrating a panel driving unit and a peripheral configuration thereof according to an embodiment of the present invention.
30 is a cross-sectional view showing the configuration of a gear assembly according to an embodiment of the present invention.
31A and 31B are views showing the configuration and operation of the indoor unit when the indoor unit is discharged downward.
31C is a diagram illustrating a state of a link when discharged downward from the indoor unit.
32A and 32B are views showing the configuration and operation of the indoor unit when the indoor unit is discharged to the front.
FIG. 32C is a diagram showing a state of a link when the indoor unit is discharged forward.
33A and 33B are views showing a front panel and a link when the front panel is moved downward.

Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. However, the spirit of the present invention is not limited to the presented embodiments, and those skilled in the art who understand the spirit of the present invention will be able to easily propose other embodiments within the scope of the same idea.

1 is a view showing an indoor unit of an air conditioner according to an exemplary embodiment of the present invention installed on a wall, FIG. 2 is a perspective view showing the configuration of the indoor unit, and FIG. 3 is a front panel according to an exemplary embodiment of the present invention. It is a front view showing the state of the indoor unit moved upward, and FIG. 4 is an exploded perspective view showing the configuration of the indoor unit.

1 to 4, the indoor unit 10 of the air conditioner according to the exemplary embodiment of the present invention may be installed on the wall W.

The indoor unit 10 includes an installation plate 20 fixed to the wall W, a chassis 30 coupled to the front of the installation plate 20, and a case 100 coupled to the front of the chassis 30. ) Is included.

The installation plate 20 is a component for fixing the indoor unit 10 to the wall W, and allows the chassis 30 to be mounted after being coupled to the wall W. The installation plate 20 has a thin plate shape and includes a central portion coupled to the rear surface of the chassis 30 and both side portions extending downward from both sides of the central portion to support the lower portion of the chassis 30.

A plurality of components may be installed inside the chassis 30 and the case 100. The plurality of components may include a blower fan 40 and a heat exchanger 60.

The chassis 30 includes a plate coupling portion 31 coupled to the installation plate 20 and a rear guide extending downwardly from the plate coupling portion 31 to surround a part of the outer peripheral surface of the blowing fan 40 ( 33) are included.

The plate coupling portion 31 has a thin plate shape. The rear guide 33 functions as a flow guide for guiding the airflow discharged from the blowing fan 40 toward the discharge portions 126 and 129.

The blower fan 40 includes a cross-flow fan. The cross-flow fan may suck air sucked from the upper portion of the indoor unit 10 in a circumferential direction and discharge it in the circumferential direction. The axial direction of the blowing fan 40 may be a horizontal direction of the indoor unit 10.

The blowing fan 40 may be rotatably supported on both sides of the chassis 30. In detail, the chassis 30 further includes two fan support portions 35 protruding forward from both sides of the rear guide 33 and supporting both side ends of the blowing fan 40. A fan motor 45 driving the blowing fan 40 may be installed outside any one of the two fan support parts 35. The shaft of the fan motor 45 may pass through the fan support 35 and be coupled to the blowing fan 40.

A motor cover 47 may be coupled to the fan motor 45. The fan motor 45 may be disposed in an inner space formed by the fan support part 35 and the motor cover 47.

A control box 50 provided with a control part for operating the indoor unit 10 may be installed at a side portion of the chassis 30. The control box 50 is located at the side of the fan motor 45 and may be supported by the case body 110 to be described later.

A heat exchanger 60 may be installed in an inner space formed between the chassis 30 and the case 100. Based on the air flow, the heat exchanger 60 is disposed on the suction side of the blowing fan 40 and may be supported by the chassis 30.

The heat exchanger 60 may have a bent shape. In detail, the heat exchanger 60 includes a first heat exchange part 61 extending vertically in a direction corresponding to a front part of the indoor unit 10, and a first heat exchange part 61 extending obliquely upward from the first heat exchange part 61. A second heat exchange part 63 and a third heat exchange part 65 extending obliquely downward from the second heat exchange part 63 are included. The first to third heat exchange units 61, 63 and 65 are disposed outside the blowing fan 40 and may be understood as being disposed in a suction area of the air sucked by the blowing fan 40.

A heat exchanger holder 67 is coupled to the heat exchanger 60. The heat exchanger holder 67 is coupled to the side of the heat exchanger 60 and may be supported on the inner side of the case 100.

A refrigerant tube 70 is coupled to the heat exchanger 60. The refrigerant tube 70 may introduce a refrigerant into the heat exchanger 60 or guide a flow of the refrigerant discharged from the heat exchanger 60. The refrigerant tube 70 is coupled to the side of the heat exchanger 60, and a tube cover 75 is wrapped outside the refrigerant tube 70.

A lower plate 55 forming a lower exterior of the indoor unit 10 is disposed under the chassis 30.

A case 100 is provided in front of the chassis 30. The assembly of the chassis 30 and the case 100 is understood to constitute a "indoor body". The main body of the indoor unit may be configured to have a substantially hexahedral shape.

An air flow path is formed inside the case 100. In detail, an upper surface opening 115a defining an air intake part is formed in the upper part of the case 100, and a filter assembly 90 is installed in the upper surface opening 115a. The upper surface opening 115a may be formed by opening in the upper surface portion 115 of the case body 110.

A discharge part is formed under the case 100. A lower discharge part 126 and a front discharge part 129 are formed in the discharge part. The lower discharge part 126 may be formed at an opened lower end of the grill frame 120, and the front discharge part 129 may be formed by opening at least a portion of the front surface of the grill frame 120.

A drain pan 80 disposed below the heat exchanger 60 may be provided in the discharge portion. The drain pan 80 may include left and right vanes 83 for controlling the direction of the discharge air flow in the left and right directions. The left and right vanes 83 may be rotated in a left and right direction based on a vertical line to control the left and right direction of the discharge air flow. A plurality of the left and right vanes 83 may be provided to be connected to one link bar, and the plurality of left and right vanes 83 may rotate together according to the movement of the link bar.

The lower discharge part 126 may be provided with an upper and lower vane 160 (refer to FIG. 5) for controlling the direction of the discharge air flow. The upper and lower vanes 160 are provided to be rotatable or slidable to control the vertical direction of the discharge air flow.

The front part of the case 100 includes a front panel 150 forming a front exterior of the indoor unit 10. A display unit 156 capable of checking operation information of the indoor unit 10 may be provided on the front panel 150.

The front panel 150 may be provided to be movable upward or downward. For example, when the indoor unit 10 is powered on, the front panel 150 may move upward as an initial operation.

When the front panel 150 moves upward, a human body detection sensor 165 for detecting a human body of an occupant may be exposed on the lower right side of the indoor unit 10. For example, the human body detection sensor 165 may include a camera module equipped with a lens 166. The lens 166 may form an angle of view toward the front. In addition, the human body detection sensor 165 is supported on the upper surface of the lower grill 125a of the grill main body 120 and may be positioned at the side of the lower discharge part 126.

A voice recognition device 190 capable of recognizing a user's voice may be disposed on the side of the human body detection sensor 165. The voice recognition device 190 may be disposed on the side of the front discharge part 129. That is, the voice recognition device 190 may be disposed between the front discharge unit 129 and the human body detection sensor 165.

The case 100 includes a grill frame 120 forming the exterior of the front edge of the indoor unit 10. The grill frame 120 may include a grill portion having a lower grill 125a and a side grill 125b. A lower discharge portion 126 is formed at an approximately central portion of the lower grill 125a.

The voice recognition device 190 includes microphone holes 195a and 195b for collecting a user's voice. The microphone holes 195a and 195b may be formed in the grill frame 120. In detail, the microphone holes 195a and 195b may include a first microphone hole 195a and a second microphone hole 195b that are formed through the upper portion of the lower grill 125a and are arranged in a left and right direction. .

At the side of the front discharge part 129, a left and right vane motor 85 for driving the left and right vanes 83 is provided.

The indoor unit 10 further includes a horizontal bar 128a extending in a horizontal direction at a substantially central portion of the front discharge part 129 in the vertical direction. The horizontal bar 128a may function as a safety device that prevents the user's hand from being inserted.

Hereinafter, the configuration of the case 100 will be described in more detail with reference to the drawings.

5 is an exploded perspective view showing the configuration of a case according to an embodiment of the present invention, FIG. 6 is a perspective view showing parts of an indoor unit installed inside the case, and FIG. 7 is cut along 7-7' of FIG. It is a cross-sectional view.

5 to 7, the case 100 according to the embodiment of the present invention includes a front panel 150.

The front panel 150 includes a thin plate-shaped panel body 151 and a display hole 152 that is opened in the panel body 151 and in which the display 156 is located. The panel body 151 may have, for example, a quadrangular plate shape.

The front panel 150 may be made of a metal material. In addition, other components of the case 100 except for the front panel 150 may be made of plastic resin. When the blowing fan 40 is driven, vibration is generated, and the vibration may induce vibration of the indoor unit to generate noise.

In the present embodiment, since the front panel 150 is made of a relatively heavy metal material, there is an advantage that vibration of the metal material is reduced even when vibration occurs. In addition, metal materials have a lower possibility of contamination than plastic resins, and can be easily cleaned even when contamination occurs.

The front panel 150 may be surface-treated so that a predetermined texture may be felt, and thus a beautiful appearance may be realized.

The case 100 further includes a support frame 140 coupled to the rear of the front panel 150 to support the front panel 150. The support frame 140 may be in surface contact with the rear surface of the front panel 150. The assembly of the front panel 150 and the support frame 140 may be referred to as a “panel assembly”.

In detail, in the support frame 140, a frame body 141 having an approximately quadrangular plate shape and a display opening 143 formed by opening at least a portion of the frame body 141 are formed. The display opening 143 may be aligned behind the display hole 152 of the front panel 150.

A display assembly 155 is installed in the display opening 143. The display assembly 155 includes a circuit board and a display unit 156. The display unit 156 constitutes a front portion of the display assembly 155 and may be exposed to the outside through the display hole 152 of the front panel 150.

The support frame 140 is provided with rail coupling portions 145 protruding rearward from both sides of the frame body 141. By the frame body 141 and the rail coupling portions 145 on both sides, the support frame 140 may have a shape of “c” as a whole.

The case 100 further includes a grill frame 120 provided at the rear of the support frame 140 and forming the discharge portions 126 and 129. The front surface of the grill frame 120 is configured to face the rear surface of the support frame 140. The grill frame 120 may be made of a plastic material, and for example, may be made of an ABS resin (Acrylonitrile-Butadiene-Styrene resin) having a relatively high strength.

Grill portions 125 forming lower and side appearances of the indoor unit 10 are provided at the lower and both side portions of the grill frame 120. The lower discharge part 126 may be formed on the lower grill 125a of the grill parts 125.

In detail, since the lower grille 125a is configured to further extend downward from the lower discharge part 126, the lower discharge part 126 is difficult to be seen from the outside. Therefore, it is possible to implement the beautiful appearance of the indoor unit. Further, the air discharged from the lower discharge part 126 is guided by the lower grille 125a, so that downward straightness may be increased.

Frame insertion portions 127a and 127b into which the rail coupling portions 145 are inserted are formed on both sides of the grill frame 120. The rail coupling portion 145 extends rearward through the frame insertion portions 127a and 127b, and may be coupled to the rail 130. The rail 130 may be provided on both sides of the indoor unit 10.

A case body 110 is provided behind the grill frame 120. The case body 110 may have a rectangular parallelepiped shape as a whole, and may be configured such that the front part, the lower part and the upper part are opened. The grill frame 120 and the case body 110 may be coupled to each other, and an assembly of the grill frame 120 and the case body 110 may be referred to as a “body assembly”.

In detail, the case body 110 includes a body front portion 111, a body side portion 112, a body rear portion 114, and a body upper surface portion 115. A front opening 111a that is at least partially covered by the grill frame 120 is formed in the body front part 111.

The lower portion of the front opening 111a may be aligned with the front discharge portion 129 of the grill frame 120 in a front-rear direction. Accordingly, the airflow of the indoor unit may be discharged to the outside through the lower part of the front opening 111a and the front discharge part 129. In addition, the panel assemblies 140 and 150 may be moved in a vertical direction to selectively open and close the front discharge part 129.

The control box 50 may be disposed inside the body side part 112. In addition, the outer surface of the main body side portion 112 includes a rail mounting portion 113 on which the rail 30 is placed. The grill part 125 is disposed to cover the rail mounting part 113, and a space part in which the rail 130 is installed is formed between the grill part 125 and the rail mounting part 113.

The rail coupling part 145 may be coupled to a side surface of the rail 130. While the panel assemblies 140 and 150 are moved in the vertical direction, the rail coupling part 145 may move in the vertical direction along the rail 130.

A rear opening 114a is formed in the rear part 114 of the main body. The chassis 30 may be coupled to the rear opening 114a. That is, it can be understood that the main body assemblies 110 and 120 and the chassis 30 are combined to constitute the overall appearance of the indoor unit 10, and the panel assemblies 140 and 150 constitute the front side of the indoor unit 10.

An upper surface opening 115a to which the filter assembly 90 is mounted is formed in the upper surface portion 115 of the main body. The upper surface opening 115a may function as an air intake part. In addition, a filter support portion 115b extending in the front-rear direction and supporting the filter assembly 90 is provided in the upper opening 115a. The filter support 115b may extend from the front body 111 to the rear body 114. In addition, a plurality of filter support portions 115b may be provided, and may be spaced apart from each other and arranged in a horizontal direction.

Upper and lower vanes 160 for controlling the vertical direction of the discharge air flow are provided below the case 100. A vane motor 162 for driving the upper and lower vanes 160 and a vane motor cover 163 surrounding the vane motor 162 are provided on the side of the upper and lower vanes 160.

The case 100 further includes a panel driving unit 170 that provides a driving force to move the panel assemblies 140 and 150 upward or downward. The panel driving unit 170 is disposed on the rear surface of the grill frame 120, and a gear provided in the panel driving unit 170 passes through the grill frame 120 and contacts the panel assemblies 140 and 150. The panel driver 170 may be provided on both sides of the case 100 to provide a stable driving force to the panel assembly 170.

The case 100 further includes a temperature/humidity sensor 194 for sensing the temperature and humidity of an indoor space in which the indoor unit 10 is installed. The temperature and humidity sensor 194 includes a temperature sensor and a humidity sensor, and may be installed on the side surface 112 of the case body 110.

In detail, a sensor mounting part 113a on which the temperature/humidity sensor 194 is installed is provided below the main body side part 112. The sensor mounting part 113a is formed under the rail mounting part 113, and a partition rib 113b may protrude between the sensor mounting part 113a and the rail mounting part 113. The side grille 125b of the grill part 125 may cover the rail mounting part 113 and the lateral part of the sensor mounting part 113a. In the side grille 125b, a sensor hole is formed at a point corresponding to the position of the temperature and humidity sensor 194 to communicate with the outside of the indoor unit 10.

The case 100 further includes a dust sensor 192 for sensing air quality information around the indoor unit 10. The dust sensor 192 may be installed on the side surface 112 of the case body 110. In detail, a dust sensor opening 112a may be formed in the case body 110, and a dust sensor cover 192a (refer to FIG. 12) may be detachably provided in the dust sensor opening 112a.

To clean the dust sensor 192, the dust sensor cover 192a may be separated, and the user may clean the dust sensor 192 using a cleaning tool, for example, a cotton swab.

A filter cleaning device 400 for separating dust accumulated in the filter assembly 90 and a dust bin 430 for storing the separated dust may be provided on the upper part of the case 100. The dust bin 430 may be disposed on the side of the filter assembly 90.

A brush 420 may be provided between the filter assembly 90 and the dust container 430. The brush 420 may contact the pre-filter provided in the filter assembly 90 to remove foreign matter accumulated in the pre-filter.

The pre-filter is configured to be rotatable in an infinite orbit by a filter rotation motor 350, and foreign matter may be separated from the pre-filter by contact between the pre-filter and the brush 420 during the rotation of the pre-filter. have. The filter rotation motor 350 is surrounded by a motor cover 355 and may be supported inside the case body 110.

The brush 420 includes a brush body 421 having a cylindrical shape and a brush bristle 425 provided on an outer circumferential surface of the brush body 421 to contact a pre-filter.

The filter cleaning device 400 is disposed below the dust bin 430 and may be located above the control box 50. When the filter cleaning device 400 is driven, the suction force of the filter cleaning device 400 acts on the filter assembly 90 via the dust container 430, and foreign matter separated from the filter assembly 90 is It may be stored in the dust bin 430.

8 is an exploded perspective view showing the configuration of an assembly of a front panel and a support frame (hereinafter, panel assembly) according to an embodiment of the present invention, and FIG. 9 is a view of a link coupled to the display assembly according to an embodiment of the present invention. FIG. 10 is a perspective view showing, and FIG. 10 is a view showing a state in which a link is arranged at the rear of a support frame according to an embodiment of the present invention, and FIG. 11 is an exploded perspective view of a display assembly and a panel assembly according to an embodiment of the present invention. 12 is an exploded perspective view showing an assembly of a panel assembly using a panel bracket according to an embodiment of the present invention, and FIG. 13 is a cross-sectional view taken along 13-13' of FIG. 4.

8 to 13, the front panel 150 according to the embodiment of the present invention may be coupled to the front of the support frame 140. In other words, the support frame 140 may be coupled to the rear surface of the front panel 150.

The front panel 150 and the support frame 140 may be formed of different materials. In detail, the front panel 150 may be made of a metal material, and the support frame 140 may be made of a plastic resin. For example, the front panel 150 may be made of an aluminum material.

Accordingly, the front panel 150 may be configured to be heavier than the support frame 140. However, in order to relatively reduce the weight of the front panel 150, a depression 151c may be formed behind the front panel 150. The depression 151c may be understood as a result of performing weight loss processing in order to reduce the weight of the front panel 150 during the processing of the front panel 150.

The depression 151c may be formed in an area of 80% or more of the rear area of the front panel 150 and may have a shape of about a quadrangle.

On the other hand, in order to support relatively heavy parts, a solid coupling structure of the front panel 150 is required. In particular, since the front panel 150 is a component that moves upward or downward, a relatively high stress may act on the front panel 150.

In this embodiment, in order to prevent deformation due to the weight of the front panel 150, the front panel 150 may be fastened to the support frame 140 using the panel bracket 200.

In detail, the front panel 150 includes a panel body 151 having a rectangular thin plate shape. For example, the width of the panel body 151 in the horizontal direction may be larger than the height in the vertical direction.

The panel bracket 200 is coupled to the rear surface of the panel body 151. A plurality of panel brackets 200 may be provided to be spaced apart from the edge portion of the panel body 151.

For example, eight panel brackets 200 may be provided. Four panel brackets 200 are horizontally spaced apart from the top of the rear surface of the panel main body 151, and the remaining four panel brackets 200 are horizontally spaced apart from the bottom of the rear surface of the front panel 150. Can be arranged.

A plurality of bracket grooves 151a are recessed in the rear surface of the panel body 151, and the panel bracket 200 is coupled to the bracket groove 151a.

In detail, the panel bracket 200 includes a bracket body 210 extending in the vertical direction. A front portion of the bracket body 210 may be inserted into the bracket groove 151a, and a rear portion of the bracket body 210 may be supported by the frame body 141. For example, the bracket body 210 may have a substantially rectangular parallelepiped shape.

A bracket fastening hole 230 into which the panel fastening member 154 is inserted is formed in the bracket body 210.

A locking part 220 is provided on one side of the bracket body 210. The locking part 220 includes a first locking protrusion 221 extending laterally from the front portion of the bracket body 210, inserted into the bracket groove 151a, and engaging the panel body 151 do.

The locking part 220 further includes a second locking protrusion 225 extending laterally from the rear portion of the bracket body 210 and supported on the rear surface of the panel body 151.

The second locking protrusion 225 may be spaced apart from the rear of the first locking protrusion 221. In addition, the panel main body 151 includes a support jaw 151b positioned between the first and second locking protrusions 221 and 225. A front surface of the support jaw 151b supports the first locking protrusion 221, and a rear surface of the support jaw 151b may be supported by the second locking protrusion 225.

In addition, a support part 240 supported on the rear surface of the panel body 151 is provided on the other side of the bracket body 210. The locking part 220 and the support part 240 may be disposed to face both sides of the bracket body 210.

For example, the locking part 220 extends from the bracket body 210 toward the center of the horizontal side of the panel body 151, and the support part 240 is at the left and right corners of the panel body 151 It can be extended to face. That is, the locking part 220 may be disposed to face the central portion of the panel body 151, and the support part 240 may be disposed to face the outside of the panel body 151.

The support part 240 includes a connection part 241 extending from the bracket body 210 in a direction toward a lateral edge of the panel body 151 and the panel body 151 by bending forward from the connection part 241. ) Includes a rear support portion 242 supported on the rear surface. The rear support part 242 may contact the rear surface of the panel main body 151.

The frame body 141 of the support frame 140 is in contact with the rear surface of the panel bracket 200 and may be fastened to the front panel 150 through a panel fastening member 154.

A frame fastening hole 141b through which the panel fastening member 154 passes is formed in the frame body 141. The panel fastening member 154 may be inserted into the frame fastening hole 141b and fastened to the bracket fastening hole 230.

The bracket fastening hole 230 is formed at a substantially central portion of the bracket body 210 in the vertical direction, and may be positioned between the locking part 220 and the support part 240. For convenience of explanation, the bracket fastening hole 230 may be referred to as a “first fastening hole” and the frame fastening hole 141b may be referred to as a “second fastening hole”.

The locking part 220 is inserted into the panel body 151 and supported by a support jaw 151b, whereas the support part 240 is simply supported by contact with the rear surface of the panel body 151, so that the panel When the bracket 200 is fastened to the front panel 150 and the support frame 140 by the panel fastening member 154, the support force for the front panel 150 in the locking part 220 is supported. It may be formed larger than the support force for the front panel 150 in the part 240.

A display assembly 155 may be provided on the support frame 140. The display assembly 155 is coupled to a rear surface of the support frame 140, and a front portion of the display assembly 155 may protrude forward of the support frame 140 through the display opening 143.

That is, the display assembly 155 may be coupled to the rear surface of the support frame 140 and extend forward through the display opening 143. The display unit 156 may be located in front of the display opening 143.

In detail, the display assembly 155 includes a display body 155a that is fastened to a rear surface of the frame body 141. The display body 155a has an approximately quadrangular plate shape, and the display unit 156 may be disposed on the front surface of the display body 155a.

A fastening hole 155f through which the display fastening member 155e passes is formed in the display body 155a, and the display fastening member 155e passes through the fastening hole 155f to display the display of the frame body 141. It may be fastened to the fastening hole (141d). For example, four display fastening holes 141d may be formed at a corner side of the display opening 143.

The display body 155a includes a substrate support part 155b protruding rearward from the rear surface of the display body 155a. The substrate support part 155b has an approximately quadrangular shape, and a circuit board 155c on which a plurality of electric elements are installed may be disposed inside the substrate support part 155b.

The display assembly 155 further includes a display cover 155d covering the circuit board 155c. The display cover 155d may be fastened to the edge of the circuit board 155c.

With this configuration, the display assembly 155 may protrude to the rear of the support frame 140. The display assembly 155 is inserted into the first opening 121f of the grill frame 120 to be described later, so that the display assembly 155 interferes with the main assembly 110 and 120 when the panel assemblies 140 and 150 move in the vertical direction. Can be prevented.

A link 300 is provided at the rear portion of the support frame 140. The link 300 is arranged to surround the electric wire 350 to prevent damage to the electric wire and prevent the electric wire from interfering with the surrounding parts when the panel assemblies 140 and 150 move in the vertical direction. It can be understood as "bracket" or "wireless hobo link".

As an example, the wire 350 may be understood as a wire connecting the control box 50 and the display assembly 155 to transmit an electrical signal. For example, the electric wire 350 may include a power line through which the display supplies power to the assembly 155.

Both side portions of the link 300 may be rotatably coupled to the display assembly 155 and the case body 110.

The link 300 may have a bent bar shape with an empty inside. Inside the link 300, an electric wire receiving part 305 is formed as a "accommodating space" in which the electric wire 350 is located. The wire receiving part 305 may be configured to be recessed from the outer surface of the link 300 to the inside. The wire accommodating portion 305 includes a first accommodating portion 305a inside the first link 310 and a second accommodating portion 305b inside the second link 320.

The link 300 may be coupled to the display assembly 155. The display assembly 155 is provided with a link bracket 157 to which one side of the link 300 is rotatably coupled. For example, the link bracket 157 may be provided to protrude above the substrate support part 155b.

The link 300 is provided with a first protrusion 315 inserted into the link bracket 157. The first protrusions 315 are provided on both sides of the link 300 and may be inserted into the protrusion holes 157a of the link bracket 157. The link 300 may be rotated while being coupled to the link bracket 157 through the first protrusion 315.

The link 300 includes a plurality of links 310 and 320 performing relative rotation. The plurality of links 310 and 320 includes a first link 310 coupled to the link bracket 157. The first protrusion 315 may be provided to protrude from both sides of the first link 310. The first protrusion 315 may function as a “hinge protrusion” of the first link 310.

The first link 310 is configured by bending. The first link 310 has a first protrusion 315 coupled to the link bracket 157, a first part 311 extending upward and a first part 311 extending downward from the first part 311 Two parts 312 are included. A bending part 313 is included between the first and second parts 311 and 312. That is, the first link 310 may be extended upward from the link bracket 157 and then bent downward from the bent part 313 to extend.

The plurality of links 310 and 320 includes a second link 320 rotatably coupled to the first link 310. A first protrusion coupling portion 325 coupled to the first link 310 is provided on both sides of the second link 320. A second protrusion 316 provided in the first link 310 may be inserted into the first protrusion coupling part 325. The first protrusion coupling part 325 includes a protrusion hole into which the first link 310 is inserted.

The second link 320 may rotate based on the second protrusion 316. In addition, the second link 320 is provided with a second protrusion coupling portion 326 to which a third protrusion 110b, which will be described later, is coupled. The second protrusion coupling part 326 includes a protrusion hole into which the third protrusion 110b is inserted.

That is, the first and second protrusion coupling portions 325 and 326 are provided at both side portions of the second link 320, and the second and third protrusions 316 and 110b may be inserted. Since the second and third protrusions 316 and 110b function as a "hinge protrusion" of the second link 320, the second link 320 can rotate based on the second and third protrusions 316 and 110b. I can.

Wire receiving portions 305a and 305b may be formed inside the first and second links 310 and 320 to accommodate the wire 350. The wire 350 may be connected to the display assembly 155 to extend to the wire receiving portions 305a and 305b, and may further extend to the outside of the first and second links 310 and 320.

The first and second links 310 and 320 are provided with support ribs 323 supporting the electric wire 350. The support ribs 323 may extend from both ends of the first and second links 310 and 320 and may be disposed outside the open wire receiving portions 305a and 305b. By the support rib 323, the wire 350 may be prevented from being separated from the wire receiving portions 305a and 305b.

14 is a perspective view showing a configuration of an assembly of a case body and a grill frame (hereinafter, a main assembly) according to an embodiment of the present invention, and FIG. 15 is a view of the indoor unit in a state in which the panel assembly according to the embodiment of the present invention is removed. It is a front view showing the configuration of the front part, and FIG. 16 is a perspective view showing a partial configuration of the front part of the assembly of the case body and the grill frame (hereinafter, the main body assembly) according to an embodiment of the present invention, and FIG. ', and FIG. 21 is a cross-sectional view showing a state when the panel assembly is moved upward.

Referring to FIGS. 14 to 16 and FIGS. 20 and 21 together, the indoor unit 10 according to an embodiment of the present invention includes a grill frame 120 having a frame front portion 121. The frame front portion 121 faces the rear surface of the support frame 140 and a front discharge portion 129 may be formed under the frame. The front discharge part 129 may be formed by being cut long in the horizontal direction.

The frame front portion 121 includes frame openings 121f and 121g formed on both sides of the frame front portion 121. When viewed from the front, the frame openings 121f and 121g are formed to penetrate each of the right and left portions of the frame front portion 121 and may be formed to have a substantially rectangular shape.

In detail, the frame openings 121f and 121g include a first opening 121f and a second opening 121g. The first opening 121f may be formed larger than the second opening 121g. This is to allow the display assembly 155 protruding to the rear of the support frame 140 to be inserted into the inside of the first opening 121f.

At least a portion of the case body 110 behind the grill frame 120 may be exposed through the first and second openings 121f and 121g. In detail, the front body 111 and the first rail 130a at the side of the front body 111 may be exposed to the front through the first opening 121f. In addition, the second rail 130b may be exposed to the front through the second opening 121g.

Frame insertion portions 127a and 127b into which the rail coupling portions 145 of the support frame 140 are inserted are formed in the first and second openings 121f and 121g, respectively.

In detail, the frame insertion portions 127a and 127b include a first frame insertion portion 127a forming at least a portion of the first opening 121f and into which one of the two rail coupling portions 145 is inserted. do. In addition, in the frame insertion portions 127a and 127b, a second frame insertion portion 127b forming at least a portion of the second opening 121g and into which the other one of the two rail coupling portions 145 is inserted is provided. Included.

In another aspect, the first frame insertion portion 127a may be understood as a space between the first rail 130a provided in the case body 110 and the end of the first opening 121f. In addition, the second frame insertion portion 127b may be understood as a space between the second rail 130b provided in the case body 110 and an end portion of the second opening 121g.

The two rail coupling portions 145 extend rearward through the first and second frame insertion portions 127a and 127b, and may be coupled to the first and second rails 130a and 130b, respectively.

A display avoidance groove 111e is formed in the main assembly 110 and 120, which is recessed from the front side to the rear of the main assembly 110 and 120 and in which the display assembly 155 is located. In the display avoidance groove 111e, a rear portion of the display assembly 155 may be inserted.

In detail, the body front part 111 of the case body 110 includes a first part 111b and a second part 111c disposed at a rear part of the first part 111b. In addition, a main body jaw 111d extending rearward from the first part 111b and connected to the second part 111c is included. Due to the first and second parts 111b and 111c and the body jaws 111d, the body front portion 111 may have a configuration stepped in the front-rear direction.

In addition, the first and second parts 111b and 111c may be understood as being exposed to the front through the first opening 121f.

The front space of the second part 111c forms the display avoidance groove 111e. That is, the display assembly 155 may be disposed in the display avoidance groove 111e in front of the second part 111c. In addition, the first frame insertion portion 127a is understood as a space between the second part 111c and the right end portion of the first opening 121f.

The display assembly 155 may be moved upward or downward within the display avoidance groove 111e. That is, the size of the display avoidance groove 111e in the vertical direction may be larger than the size of the protrusion 155b of the display assembly 155 in the vertical direction.

In detail, referring to FIG. 20, while the front panel 150 is moved to the lowermost position, the protrusion 155b and the circuit board 155c may be located under the display avoidance groove 111e.

Conversely, referring to FIG. 21, in a state of being moved to the top of the front panel 150, the protrusion 155b and the circuit board 155c may be located on the upper side of the display avoidance groove 111e. Accordingly, while the front panel 150 is moved up and down, the display assembly 155 may not interfere with the body assemblies 110 and 120.

FIG. 17 is an enlarged view of a portion "A" of FIG. 16, FIG. 18 is a view showing a state in which a link according to an embodiment of the present invention is supported on a side portion of a case body, and FIG. 19 is an embodiment of the present invention. It is a cross-sectional view showing the following wires connecting the display assembly and the control box.

17 and 18, a link hole 111f into which the link 300 is inserted is formed in the case body 110 according to the embodiment of the present invention. The link hole 111f may be formed in the front body 111 of the case body 110.

For example, the link hole 111f may be formed on the second part 111c of the front body 111. The link 300 may be connected to the display assembly 115 and extend to the rear of the support frame 140, and may pass through the link hole 111f and extend to the rear of the main body front part 111.

The link hole 111f is formed of a hole having an approximately square shape, and the height in the vertical direction may be longer than the width in the horizontal direction.

A third protrusion 112c coupled to the second protrusion coupling portion 326 of the second link 320 is provided on the main body side portion 112 of the case body 110. In detail, the third protrusion 112c may be configured to protrude from the inner side 112b of the side surface 112 of the body. The second link 320 may rotate based on the third protrusion 112c.

Referring to FIG. 19, a link 300 according to an embodiment of the present invention may be connected to an upper portion of the display assembly 155. An electric wire 350 connecting the display assembly 155 and the control box 50 may be accommodated in the link 300.

The wire 350 may be connected to the upper portion of the control box 50 from the display assembly 155. In addition, the wire 350 may be disposed to pass through the outside of the device PCB 480 of the filter cleaning device 400.

The indoor unit 10 further includes a support bracket 380 for fixing the electric wire 350. The support bracket 380 may be provided on an inner side of the side surface 112 of the case body 110. The support bracket 380 may include a clamp for clamping the wire 350. By the configuration of the support bracket 380, it is possible to prevent the electric wire 350 from swinging inside the indoor unit 10.

The link 300 may be arranged to receive at least a portion of the electric wire 350. In addition, the rest of the wire 350 not accommodated in the link 300 may be supported by the support bracket 380.

By the configuration of the link 300 and the support bracket 380, the wire 350 may be stably disposed inside the indoor unit 10, and the panel assemblies 140 and 150 are moved in the vertical direction. It is possible to prevent a phenomenon in which the wire 350 is vibrated and interferes with other parts inside the indoor unit 10.

22 is a plan view showing the configuration of the indoor unit with the panel assembly according to the embodiment of the present invention removed, and FIG. 23 is a perspective view showing the configuration of a grill frame according to the embodiment of the present invention.

Referring to FIGS. 22 and 23, a panel driving unit 170 that provides a driving force to the front panel 150 is disposed on the rear side of the grill frame 120 according to the exemplary embodiment of the present invention. The panel driving unit 170 is provided in plural, and includes a first panel driving unit 170a and a second panel driving unit 170b.

The panel driving unit 170 includes a fourth gear 173c that rotates by a driving motor 171 and interlocks with the rack 148 of the support frame 140. The fourth gear 173c may protrude forward of the grill frame 120 and interlock with the rack 148.

In detail, an opened gear hole 122 is formed in the frame front part 121. The gear hole 122 may be formed at a position corresponding to the position of the fourth gear 173c. Since the fourth gear 173c is provided in the first and second panel driving parts 170a and 170b, respectively, the gear holes 122 may be formed on both sides of the frame front part 121 in response thereto.

At least a portion of the fourth gear 173c may be located at a rear side of the frame front portion 121 and another portion may protrude forward of the frame front portion 121 through the gear hole 122.

The grill frame 120 further includes a frame lower portion 121a extending rearward from a lower portion of the frame front portion 121 and a frame side portion 121b extending rearward from both sides of the frame front portion 121 do.

A grill portion 125 having a plurality of grills is provided at the lower portion of the frame 121a and the side portion 121b of the frame. The plurality of grills may be formed by being bent to form a lower portion of the grill frame 120 and both side portions of the grill frame 120 and extending parallel to each other. For example, the grill part 125 may be configured to have a "∪" shape.

In detail, the grill unit 125 includes a lower grill 125a constituting the lower frame 121a. At least a portion of the lower grill 125a is formed to penetrate, and the through-formed portion forms a lower discharge portion 126 to guide air discharge.

The lower discharge portion 126 is formed in an approximately central portion of the lower grill 125a, and both sides of the lower grill 125a are configured to be blocked. Accordingly, air is not discharged in the area of the lower grille 125a other than the area in which the lower discharge part 126 is formed.

The grill part 125 further includes side grills 125b extending upward from both sides of the lower grill 125a. Since the shape of the side grille 125b is the same as the shape of the lower grille 125a, in terms of design, the lower grille 125a and the side grille 125b can achieve a sense of unity.

Most of the side grille 125b is configured to be blocked so as not to communicate with the outside, but a sensor hole may be formed in a portion where the temperature and humidity sensor 194 is positioned to communicate with the outside.

FIG. 24 is an exploded plan view showing the configuration of a panel assembly and a case body according to an embodiment of the present invention, FIG. 25 is a view showing a state in which the panel assembly is coupled to a rail, and FIG. 26 is 21-21' of FIG. 2 It is a cross-sectional view taken along the line.

24 to 26, the panel assemblies 140 and 150 according to the exemplary embodiment of the present invention may be provided to be movable in the vertical direction from the front of the grill frame 120.

Two rail coupling portions 145 are provided on both sides of the rear portion of the panel assemblies 140 and 150. The rail coupling portion 145 may be inserted into the frame insertion portions 127a and 127b of the grill frame 120 and coupled to the rail 130 provided in the case body 110. In this case, the rear surfaces of the panel assemblies 140 and 150 may be positioned adjacent to and facing the frame front portion 121 of the grill frame 120.

In detail, the two rail coupling portions 145 may be coupled to the first and second rails 130a and 130b, respectively. The first rail coupling portion 145 provided on the right side of the panel assembly 140,150 is coupled to the first rail 130a, and a second rail coupling portion 145 provided on the left portion of the panel assembly 140,150 May be coupled to the second rail 130b.

The rail 130 includes a fixed rail 131 coupled to the main body side portion 112 of the case body 110 and a moving rail 132 that is moved upward or downward along the fixed rail 131. .

The main body side portion 112 is provided with a rail seating portion 113 having a side-facing seating surface and a rail receiving portion 117 protruding laterally from an edge of the rail seating portion 113. In another aspect, the rail accommodating portion 117 may be configured to be recessed from the front end portion of the main body side portion 112 to the rear.

The front end portion of the main body side portion 112 is coupled to the frame front portion 121 of the grill frame 120, and the frame front portion 121 faces the rear surfaces of the panel assemblies 140 and 150.

The fixed rail 131 has a square plate shape, and sliding grooves 131a that are recessed are formed on both sides of the fixed rail 131. The sliding groove 131a may be elongated in the vertical direction.

Both sides of the movable rail 132 are accommodated in the sliding groove 131a, and the movable rail 132 may be moved along the sliding groove 131a. Accordingly, it is possible to prevent the moving rail 132 from swinging in the front-rear direction.

The rail coupling part 145 may be coupled to a side surface of the moving rail 132 and moved upward or downward. In detail, the rail coupling part 145 includes first and second coupling parts 145a and 145b arranged in the vertical direction. The second coupling part 145b is located above the first coupling part 145a. As the two coupling parts 145a and 145b are coupled to the moving rail 132, the coupling force between the rail coupling portion 145 and the rail 130 may be increased.

In the front portion of the rail coupling portion 145, a frame recessed portion 145c is formed. The frame recessed part 145c is recessed rearward from the frame body 141, and the first and second coupling parts 145a and 145b are extended to the rear side of the frame recessed part 145c. By the configuration of the frame depression 145, the effect of distributing stress generated by the fastening of the first and second coupling parts 145a and 145b and the rail 130 may be exhibited.

The rail coupling portion 145 is provided with a coupling pin 147 and a pin coupling portion 146 into which the coupling pin 147 is inserted. The pin coupling part 146 extends rearward from the frame recessed part 145c, and the fastening pin 147 may be located at an end of the pin coupling part 146. Since the pin coupling portion 146 is configured to elongately extend rearward from the frame recessed portion 145c, a stress dispersion effect transmitted from the fastening pin 147 can be expected.

27 is an exploded perspective view of a panel assembly and a case body showing a panel driving unit for moving a panel assembly according to an embodiment of the present invention, and FIG. 28 is a panel assembly showing the configuration of a holder and a holder bracket according to an embodiment of the present invention And a case body is an exploded perspective view, FIG. 29 is a view showing a panel driving unit and a peripheral configuration thereof according to an embodiment of the present invention, and FIG. 30 is a cross-sectional view showing a configuration of a gear assembly according to an embodiment of the present invention.

27 to 30, the panel assemblies 140 and 150 according to the exemplary embodiment of the present invention may be provided to move in the vertical direction from the front of the grill frame 120.

The panel assemblies 140 and 150 include a front panel 150 and a support frame 140 coupled to a rear surface of the front panel 150. The indoor unit 10 further includes a driving mechanism for vertically moving the front panel 150.

The driving mechanism includes a panel driving unit 170 that provides a driving force for moving the panel assemblies 140 and 150. The panel driver 170 may be located on the rear surface of the grill frame 120. In detail, a motor bracket 124 is coupled to the rear surface of the grill frame 120, and the panel driving unit 170 may be supported on the rear side of the motor bracket 124. The motor bracket 124 includes a bracket fastening part 124a fastened to the grill frame 120.

A plurality of panel driving units 170a and 170b are provided, and the plurality of panel driving units 170a and 170b include a first panel driving unit 170a and a second panel driving unit 170b spaced apart from each other in the left and right direction.

In detail, the panel driving units 170a and 170b include a driving motor 171 having a motor shaft and generating a driving force, and a gear assembly that transmits the power generated from the driving motor 171.

The gear assembly includes a first gear 171b coupled to the motor shaft, a second gear 173a and a third gear 173b interlocked with the first gear 171b, and the third gear 173b. ) And a fourth gear (173c) interlocking is included.

A first gear shaft 174a is centrally coupled to the second gear 173a and the third gear 173b. The second and third gears 173a and 173b and the first gear shaft 174a may rotate together. For example, the third gear 173b is coupled to the side of the second gear 173a, and the outer diameter of the third gear 173b is larger than the outer diameter of the second gear 173a and has more gear teeth. Can be configured to

The second gear 173a is located on the upper side of the first gear 171b and is gear-coupled, and the second and third gears 173a and 173b are arranged to have concentricity.

The gear assembly further includes a fourth gear 173c interlocking with the third gear 173b. The fourth gear 173c is located under the third gear 173b and may be centrally coupled to the second gear shaft 174b.

When the driving motor 171 is driven, the fourth gear 173c is finally rotated by the interlocking of the first to fourth gears. The fourth gear 173c may be interlocked by gear coupling with the rack 148 of the support frame 140.

A rack 148 interlocking with the panel driving unit 170 is provided on the rear surface of the support frame 140. The rack 148 is configured to extend in the vertical direction, and includes a plurality of gear teeth.

A plurality of racks 148 are provided, and the plurality of racks 148 may be disposed to be spaced apart from each other in the left-right direction. In detail, the rack 148 includes a first rack 148a and a second rack 148b. The first and second racks 148b may be disposed on both rear sides of the panel assemblies 140 and 150.

The rack 148 may be gear-coupled to and interlocked with the fourth gear 173c of the panel driving unit 170. In detail, the first and second racks 148a and 148c may interlock with fourth gears 173c provided in the first and second panel driving units 170a and 170b, respectively.

A holder bracket 185 into which a holder 178 coupled to the grill frame 120 is inserted is provided on the rear surface of the support frame 140. The holder bracket 185 is disposed on the side of the first and second racks 148a and 148b, and may be elongated in the vertical direction.

In detail, a plurality of holder brackets 185 may be provided, and the plurality of holder brackets 185 may be disposed to be spaced apart from each other in the left-right direction. In detail, the holder bracket 185 includes a first holder bracket 185a positioned at a side of the first rack 148a and a second holder bracket 185b positioned at a side of the second rack 148b. Included.

When the panel assembly 140 and 150 moves in the vertical direction, the holder bracket 185 moves in the vertical direction together with the panel assembly 140 and 150, and the holder 178 moves in the vertical direction with respect to the holder bracket 185. You can move relative to it.

In the grill frame 120, a gear hole 122 through which the fourth gear 173c of the panel driving unit 170 can pass is formed. A plurality of gear holes 122 may be formed on both sides of the grill frame 120 to correspond to positions of the first and second panel driving parts 170a and 170b.

In addition, a holder through hole 122a through which the holder 178 passes is formed in the grill frame 120. The holder through hole 122a may be disposed adjacent to the side of the gear hole 122. A plurality of holder through holes 122a may be provided corresponding to the number of holders 178 and the number of holder brackets 185.

The holder 178 is coupled to the rear surface of the grill frame 120 and extends forward through the holder through hole 122a. In addition, the holder 178 may be inserted into the holder bracket 185.

31A and 31B are views showing the configuration and operation of the indoor unit when the indoor unit is discharged downward, and Fig. 31C is a view showing the state of the link when the indoor unit is discharged downward.

First, referring to 31A and 31B, in the indoor unit 10 according to an embodiment of the present invention, air may be discharged only through the lower discharge unit 126. For example, during the heating operation of the air conditioner, an indirect wind mode that discharges downwards so that warm air is not directly supplied to the user may be operated.

In detail, when the blowing fan 40 is driven, the air sucked from the top of the indoor unit 10 is purified while passing through the filter assembly 90 and flows to the bottom of the indoor unit 10 while passing through the blowing fan 40. do.

At this time, the front panel 150 does not move upward or downward, but is in a central position. Here, the "central position" is understood to be a position where the front panel 150 covers the front discharge portion 129 of the grill frame 120 and does not go further downward than the lower end of the grill frame 120 do.

The upper and lower vanes 160 are connected to the link 167, and according to the movement of the link 167, the upper and lower vanes 160 rotate in the front-rear direction or slide in the front-rear direction with respect to the horizontal central axis. I can.

In FIG. 31B, the upper and lower vanes 160 are arranged to be inclined upward by a predetermined angle with respect to the upper surface of the lower grill 125a of the grill frame 120. At this time, the upper and lower vanes 160 may operate to open the lower discharge part 126. The air that has passed through the blower fan 40 is guided by the upper and lower vanes 160 and may be discharged downward through the open lower discharge part 126. At this time, since the front discharge part 129 is shielded by the panel assemblies 140 and 150, airflow to the front is limited.

Referring to FIG. 31C, when the panel assemblies 140 and 150 are in a central position, the second protrusion 316 of the first link 310 may be disposed at a higher position than the link bracket 157 of the display assembly 155. have. In addition, the bending portion 313 of the first link 310 may be disposed at a position higher than the second protrusion 316.

In addition, the first link 310 and the second link 320 may be configured to form a first set angle θ1.

32A and 32B are views showing the configuration and operation of the indoor unit when the indoor unit is discharged forward, and Fig. 32C is a view showing the state of the link when the indoor unit is discharged forward.

Referring to FIGS. 32A and 32B, in the indoor unit 10 according to an embodiment of the present invention, air may be discharged only through the front discharge unit 129. For example, during cooling operation of the air conditioner, an indirect wind mode that performs forward discharge may be operated so that cold air is not directly supplied to the user.

In detail, when the blowing fan 40 is driven, the air sucked from the top of the indoor unit 10 is purified while passing through the filter assembly 90 and flows to the bottom of the indoor unit 10 while passing through the blowing fan 40. do.

At this time, the front panel 150 moves upward and is in an upper position. Here, the "upper position" is understood to be a position in which the front panel 150 moves upward to open the front discharge portion 129 of the grill frame 120.

The upper and lower vanes 160 are in a state parallel to the upper surface of the lower grill 125a of the grill frame 120. In this case, the upper and lower vanes 160 may be operated to close the lower discharge part 126. The air passing through the blowing fan 40 is guided by the upper and lower vanes 160 and may be discharged forward through the open front discharge part 129. At this time, since the lower discharge part 129 is shielded by the upper and lower vanes 160, the discharge of airflow downward is limited.

Meanwhile, although not separately indicated in the drawing, in the indoor unit 10, a "simultaneous mode" in which air is discharged through the lower discharge unit 126 and the front discharge unit 129 may be operated. For example, during the cooling operation and heating operation of the air conditioner, the simultaneous mode operation is possible.

In detail, when the blowing fan 40 is driven, the air sucked from the top of the indoor unit 10 is purified while passing through the filter assembly 90 and flows to the bottom of the indoor unit 10 while passing through the blowing fan 40. do. At this time, the front panel 150 moves upward and is in an upper position.

In addition, the upper and lower vanes 160 may operate to open the lower discharge part 126. The air that has passed through the blowing fan 40 is guided by the upper and lower vanes 160 and may be discharged downward and forward through the open lower discharge part 126 and the front discharge part 129.

In this way, when the indoor unit 10 is driven, the front panel 150 may be in a "first position (central position)" or a "second position (upper position)", and the upper and lower vanes 160 Accordingly, indirect wind mode or simultaneous mode operation can be performed.

When the panel assemblies 140 and 150 move upward from the position of FIG. 31C to the position of FIG. 32C, the distance between the control box 50 and the display assembly 155 changes. At this time, the wire 350 is moved, but since it can be protected by the link 300, interference with surrounding components can be prevented.

Referring to FIG. 32C, when the panel assemblies 140 and 150 move upward from the position of FIG. 31C, the first and second links 310 and 320 rotate based on the hinge protrusion and have a different shape from that of FIG. 31C.

In detail, when the panel assemblies 140 and 150 are in the upper position, the second protrusion 316 of the first link 310 may be disposed at a lower position than the link bracket 157 of the display assembly 155. In addition, the bending portion 313 of the first link 310 may be disposed at a higher position than the second protrusion 316 and may be disposed at a lower position than the first protrusion 316.

In addition, the first link 310 and the second link 320 may be configured to form a second set angle θ2. The second set angle θ2 may be formed to be smaller than the first set angle θ1.

33A and 33B are views showing a front panel and a link when the front panel is moved downward.

Referring to FIG. 33A, the filter assembly 90 according to the embodiment of the present invention may be provided to be detachably attached to the indoor unit 10. The front panel 150 may be moved downward to separate the filter assembly 90.

When the front panel 150 is in the "center position". Since the front portion of the filter assembly 90 is interfered by the panel assemblies 140 and 150, the separation of the filter assembly 90 to the front is limited. That is, the front surface of the filter assembly 90 faces the rear surfaces of the panel assemblies 140 and 150 and may be shielded by the rear surfaces of the panel assemblies 140 and 150.

However, when the front panel 150 is in the third position (lower position), the front of the filter assembly 90 may be opened. Accordingly, the filter assembly 90 may move forward and be in a state of being detachable from the indoor unit 10.

To move the filter assembly 90 forward, a filter driver (motor and gear) may be provided at the rear side of the filter assembly 90. In this way, by moving the front panel 150 downward, the front separation of the filter assembly 90 can be easily performed.

Referring to FIG. 33B, when the panel assemblies 140 and 150 move downward from the position of FIG. 31C, the first and second links 310 and 320 rotate based on the hinge protrusion and have a different shape from that of FIGS. 31C and 32C. .

In detail, when the panel assemblies 140 and 150 are in the lower position, the second protrusion 316 of the first link 310 may be disposed at a higher position than the link bracket 157 of the display assembly 155. In addition, the bending portion 313 of the first link 310 may be disposed at a position higher than the first protrusion 315 and lower than the second protrusion 316.

In addition, the first link 310 and the second link 320 may be configured to form a third set angle θ3. The third set angle θ2 may be formed larger than the first set angle θ1.

By the configuration and action of such a link, damage to the wire 350 is prevented in the process of moving the panel assemblies 140 and 150 up and down, and the wire 350 interferes with the surrounding parts to hinder the movement of the panel assemblies 140 and 150. It can prevent the phenomenon.

10: indoor unit 30: chassis
40: blowing fan 50: control box
60: heat exchanger 100: case
110: case body 120: grill frame
130: rail 140: support frame
148: rack 150: front panel
160: upper and lower vanes 170: panel driving unit
178: holder 180: connecting link
185: holder bracket 200: panel bracket
300: filter assembly

Claims (15)

A chassis installed on the wall;
A blowing fan installed in the chassis; And
Includes a case provided in front of the chassis,
In the case,
A main body assembly forming a flow path for air passing through the blowing fan and including a control box;
A panel assembly that moves in a vertical direction from the front of the main body assembly, and in which a display assembly having a link bracket is installed;
A wire connected to the display assembly and extending to the control box; And
A link that forms an accommodation space in which the wire is located, and includes a first link rotatably connected to the display assembly and a second link rotatably connected to the first link and the main body assembly. Including,
When the panel assembly moves in the vertical direction, the angle formed by the first and second links is varied based on a point at which the first and second links are connected,
The first link includes a first part having a first protrusion inserted into the link bracket, a bend part bent from the first part, and a second part extending from the bend part and connected to the second link. Indoor unit of air conditioner. The method of claim 1,
One side of the second link is connected to the first link, and the other side of the second link is connected to the main body assembly. delete delete The method of claim 1,
A second protrusion provided on the second part; And
An indoor unit of an air conditioner including a first protrusion coupling portion provided on the second link and into which the second protrusion is rotatably inserted. The method of claim 1,
The first and second links have a bar shape with an empty inside,
An indoor unit of an air conditioner in which the accommodation space is formed inside the first and second links. The method of claim 6,
An indoor unit of an air conditioner further comprising support ribs extending from both ends of the first and second links and disposed outside the opened receiving space to support the electric wire. The method of claim 1,
A second protrusion coupling portion provided on the second link; And
The indoor unit of the air conditioner further includes a third protrusion provided on an inner surface of the main body assembly and inserted into the second protrusion coupling part. The method of claim 8,
A link hole into which the link is inserted is formed in the front part of the main body assembly,
The link is an indoor unit of an air conditioner extending from the display assembly to the rear of the front portion of the main body assembly through the link hole. delete The method of claim 1,
Further comprising a discharge portion formed in the lower portion of the main body assembly for discharging air to the front,
The panel assembly moves up and down to open or close the discharge part,
When the panel assembly is located in front of the discharge part and closes the discharge part, a first set angle θ1 formed by the first and second links is,
The indoor unit of an air conditioner, wherein the panel assembly is positioned above the discharge unit and is larger than a second set angle θ2 formed by the first and second links when the discharge unit is opened. The method of claim 11,
The third set angle θ3 formed by the first and second links when the lower end of the panel assembly is moved downward so that the lower end of the panel assembly is lower than the lower end of the main body assembly
The indoor unit of an air conditioner, wherein the panel assembly is located in front of the discharge unit and is larger than a first set angle (θ1) formed by the first and second links when the discharge unit is closed. The method of claim 1,
A panel driving unit installed on the main body assembly and providing a driving force for vertical movement to the panel assembly; And
An indoor unit of an air conditioner comprising a gear assembly interlocking with the panel driving unit. The method of claim 13,
An indoor unit of an air conditioner including a rack provided in the panel assembly and interlocking with the gear assembly. The method of claim 14,
On the front part of the main body assembly,
An indoor unit of an air conditioner having a gear hole through which a gear provided in the gear assembly passes.

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