KR20220005252A - Ceiling type indoor unit of air conditioner - Google Patents

Abstract

The present invention discloses a ceiling-mounted indoor unit of an air conditioner. The ceiling-mounted indoor unit of an air conditioner comprises: a case in which a discharge hole is formed; a first vane disposed in the discharge hole; a vane motor assembled to the case and providing a driving force to the first vane; a driving link assembled to be rotatable relative to the case, coupled to the vane motor, and transmitting the driving force of the vane motor to the first vane; a first vane link assembled to be rotatable relative to the case and the first vane; a support link connecting the case and the first vane and rotatably assembled with the first vane; and a support motor connected to the support link and rotating the support link. In the present invention, the support link coupled to the support link is operated in synchronization with the vane motor, so the first vane can be rotated with the least torsion.

Description

Ceiling type indoor unit of air conditioner

The present invention relates to a ceiling-type indoor unit of an air conditioner, and more particularly, to a ceiling-type indoor unit of an air conditioner in which a plurality of vanes are disposed at an outlet.

In general, an air conditioner is composed of a compressor, a condenser, an evaporator, and an expander, and supplies cold or warm air to a building or room using an air conditioning cycle.

Structurally, the air conditioner is divided into a separate type in which the compressor is disposed outdoors and an integral type in which the compressor is integrally manufactured.

In the separation type, an indoor heat exchanger is installed in an indoor unit, an outdoor heat exchanger and a compressor are installed in the outdoor unit, and two separated devices are connected through a refrigerant pipe.

The integral type is an indoor heat exchanger, an outdoor heat exchanger and a compressor installed in one case. The integrated air conditioner includes a window type air conditioner which is installed directly by hanging the device on a window, and a duct type air conditioner which is installed outside the room by connecting an intake duct and a discharge duct.

The separation type air conditioner is generally classified according to an installation form of the indoor unit.

When the indoor unit is installed vertically in the indoor space, it is called a stand-type air conditioner, when the indoor unit is installed on the wall of the room is called a wall-mounted air conditioner, and when the indoor unit is installed on the ceiling, it is called a ceiling type indoor unit.

In the prior art according to Korean Patent Application Laid-Open No. 10-2019-0130846, a structure for guiding discharge air through a plurality of vanes is disclosed.

In the case of the ceiling-type indoor unit, since the length of the plurality of vanes is very long compared to the length in the front-rear direction, there is a problem in that they droop downward due to gravity and the wind pressure of the discharge air.

Republic of Korea Patent Publication 10-2019-0130846 A

It is an object of the present invention to provide a ceiling-type indoor unit of an air conditioner capable of preventing the middle portion of the vane from sagging due to its own weight in a vane having a long length compared to its width.

An object of the present invention is to provide a ceiling-type indoor unit of an air conditioner capable of minimizing torsion generated in the vanes when a vane, which is long in the left and right longitudinal directions compared to the front-rear direction, is rotated through a single motor.

The problems of the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.

The present invention is a case in which a discharge port is formed; a first vane disposed at the outlet; a vane motor assembled to the case and providing a driving force to the first vane; a driving link assembled to be rotatable relative to the case, coupled to the vane motor, and transmitting a driving force of the vane motor to the first vane; a first vane link that is relatively rotatably assembled with the case and the first vane; a support link connecting the case and the first vane and rotatably assembled with the first vane; and a support motor connected to the support link and rotating the support link.

It further includes; a support bracket protruding from the case toward the outlet, wherein the support link includes: a first support link shaft rotatably assembled with the first vane; and a second support link shaft rotatably assembled with the support bracket.

A plurality of the support links may be disposed in the longitudinal direction of the first vane.

The support motor may be coupled to the second support link shaft.

The support link includes a first support link and a second support link disposed to be spaced apart in the longitudinal direction of the first vane, coupled to the first support link and the second support link, the first support link and the second support link 2 may further include a support bar that is rotated together with the support link.

It may further include; an assembly unit disposed on the support bracket, the second support link shaft is rotatably assembled.

The assembly part may be a groove formed in an upward direction.

The first vane link may include: a 1-1 vane link shaft rotatably assembled with the first vane; and a first 1-2 vane link shaft rotatably assembled with the case, and the second support link shaft may be disposed on the same axis as the 1-2 vane link shaft.

The first support link shaft may be disposed on the same axis as the 1-1 vane link shaft.

It may further include; a guide link connecting the case and the first vane, and rotatably assembled with the first vane.

The ceiling-type indoor unit of the air conditioner according to the present invention has one or more of the following effects.

First, the present invention installs a relatively rotatable support link with respect to the first vane in the middle of the long formed first vane, and by assembling the support link to be relatively rotatable with the case side, the sagging of the first vane is prevented There are advantages to doing.

Second, the present invention has the advantage of being able to rotate the first vane while minimizing the torsion of the first vane by operating the support motor coupled to the support link in synchronization with the vane motor.

1 is a perspective view illustrating an indoor unit of an air conditioner according to an embodiment of the present invention.
FIG. 2 is a bottom view of FIG. 1 ;
FIG. 3 is a plan view showing the inside of the outlet of FIG. 2 .
4 is a perspective view illustrating the vane module of FIG. 3 .
5 is a front view of the driving link shown in FIG.
6 is a front view of the first vane link shown in FIG.
7 is a front view of the second vane link shown in FIG.
8 is a side cross-sectional view of the vane module shown in FIG.
FIG. 9 is an exemplary operation view of FIG. 8 .
FIG. 10 is a partially enlarged view of FIG. 3 .
11 is a perspective view illustrating the anti-sag device of FIG. 4 .
Figure 12 is a perspective view showing the guide link of Figure 4;

Advantages and features of the present invention and methods of achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only these embodiments allow the disclosure of the present invention to be complete, and common knowledge in the art to which the present invention pertains It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout.

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

1 is a perspective view illustrating an indoor unit of an air conditioner according to an embodiment of the present invention, and FIG. 2 is a bottom view of FIG. 1 .

<Configuration of indoor unit>

1 or 2 , the indoor unit of the air conditioner according to the present embodiment includes a case 100 having an inlet 101 and an outlet 102 formed therein, and an indoor heat exchanger disposed inside the case 100 ( and an indoor blower fan (not shown) disposed inside the case 100 and flowing air to the inlet 101 and the outlet 102 .

FIG. 3 is a plan view showing the inside of the discharge port of FIG. 2 , and FIG. 4 is an enlarged view of a portion of FIG. 3 .

The indoor unit further includes a vane module 200 for controlling a direction of the discharge air of the discharge port 102 . The vane module 200 includes a first vane 210 and a second vane 220 .

The areas of the first vane 210 and the second vane 220 are formed to be different. In this embodiment, the area of the first vane 210 is formed to be larger than the area of the second vane 220 . The first vane 210 may be located inside the outlet 102 and cover the outlet 102 .

When the indoor unit is not operated, the second vane 220 is positioned above the first vane 210 .

When the vane module 200 is operated, the first vane 210 opens the outlet 102 while descending to the lower side of the outlet 102 , and the second vane 220 is rotated in place.

<Case composition>

1 or 2 , in the present embodiment, the case 100 includes a case housing 110 and a front panel 300 . The case housing 100 is installed to be hung from the ceiling of the room through a hanger (not shown), and the lower side is opened. The front panel 300 covers the open surface of the case housing 110 , is disposed toward the floor of the room, is exposed to the room, and the suction port 101 and the discharge port 102 are formed.

The case 100 may be implemented in various ways depending on the manufacturing form, and the configuration of the case 100 does not limit the spirit of the present invention.

<Front panel composition>

1 to 2 , the front panel 300 is coupled to the case housing 110 , the front body 310 having the inlet 101 and the outlet 102 formed therein, and a plurality of grill holes 321 . ) is formed and includes a suction grill 320 that covers the suction port 101, and a vane module 200 that is installed on the front body 310 and controls the air flow direction of the discharge port 102 .

The suction grill 320 is installed detachably from the front body 310 . The suction grill 320 covers the entire suction port 101 .

A pre-filter (not shown) is disposed on the upper side of the suction grill 320 . The pre-filter filters the air sucked into the case 100 . The pre-filter is located above the grill hole 321 and filters the air that has passed through the suction grill 320 .

The discharge port 102 may be formed in the form of a long slit along the edge of the suction port 101 . The discharge port 102 may be formed to extend long in the longitudinal direction of the front body 310 .

The vane module 200 is positioned on the outlet 102 and is coupled to the front body 310 .

<Configuration of suction grill>

1 or 2 , the suction grill 320 is located below the front body 310 . The suction grill 320 may be lifted downward in a state in close contact with the bottom surface of the front body 310 .

The suction grill 320 includes a grill body 322 and a plurality of grill holes 321 formed to penetrate the grill body 322 in the vertical direction.

Figure 3 is a perspective view showing a vane module according to an embodiment of the present invention, Figure 4 is a front view of the drive link shown in Figure 3, Figure 5 is a front view of the first vane link shown in Figure 3, Figure 6 is a front view of the second vane link shown in FIG. 3 , FIG. 7 is a side cross-sectional view of the vane module shown in FIG. 3 , FIG. 8 is an exemplary operation view of FIG. 7 , and FIG. This is the illustrated plan view.

<Configuration of vane module>

Referring to FIG. 3 , the vane module 200 controls the flow direction of the air discharged through the discharge port 102 .

The vane module 200 includes a module body 400 , a first vane 210 , a second vane 220 , a vane motor 230 , a driving link 240 , a first vane link 250 and a second It includes a vane link (260).

The first vane 210 , the second vane 220 , the vane motor 230 , the driving link 240 , the first vane link 250 , and the second vane link 260 are all attached to the front panel 300 . is installed

In this embodiment, the vane motor 230 is a step motor is used.

3 to 9 , the vane module 200 is disposed on one side of the discharge port 102 , is assembled to the front body 310 , and is detachable downward with respect to the front body 310 . A first module body 410 assembled in such a way that it is disposed on the other side of the discharge port 102 , assembled to the front body 310 , and a second assembled detachably downward with respect to the front body 310 . The module body 420 and one side and the other side are respectively coupled to the first module body 410 and the second module body 420, and for the first module body 410 and the second module body 420 The first vane 210 and the second vane 220 respectively rotated relative to each other and installed on at least one of the first module body 410 and the second module body 420, and the first vane 210 and a vane motor 230 providing a driving force to the second vane 220 .

In particular, since the first module body 410 and the second module body 420 are separated from the lower side of the front body 310, the vane module ( 200) can be separated from the front body 310.

The module body 400 is coupled to the front body 310, is exposed to the outside, and provides a module body part 402 formed with an upper side opening, and one side of the side surfaces of the module body part 402, It includes a link installation unit 404 to which the vanes 210 and 220 are coupled.

The module body part 402 is fastened to the front body 310 by a fastening member 401 . Unlike the present embodiment, the module body part 402 may be coupled to the front body 310 through hook coupling or interference fitting.

A fastening hole (not shown) is formed in the module body part 402 , and the fastening member passes through the module body part 402 and is coupled to the front body 310 .

In this embodiment, the module body part 402 and the link installation part 404 are integrally manufactured through injection molding. The link installation unit 404 is disposed on the side of the first vane 210 and the second vane 220 of the four sides of the module body unit 402 .

The driving link 240 , the first vane link 250 and the second vane 220 are assembled to the link installation unit 404 . The driving link 240 , the first vane link 250 , and the second vane 220 may be respectively rotated while being assembled to the link installation unit 404 .

In this embodiment, vibration or noise caused by the first vane 210 , the second vane 220 , the vane motor 230 , the driving link 240 , the first vane link 250 , and the second vane link 260 , etc. In order to minimize the occurrence, the module body part 402 is firmly fastened to the front body 310 .

The fastening member 401 for fixing the module body part 402 is fastened from the lower side to the upper side, and may be separated from the upper side to the lower side.

A fastening hole (not shown) through which the fastening member 401 passes is formed in the module body part 402 .

The link installation part 404 of the first module body 410 and the link installation part 404 of the second module body 420 are disposed to face each other.

A first vane 210 , a second vane 220 , and a driving link 240 between the link installation part 404 of the first module body 410 and the link installation part 404 of the second module body 420 . ), a first vane link 250 , a second vane link 260 , and a support link 490 are installed.

The vane motor 230 is disposed outside the link installation unit 404 .

The first vane 210, the second vane 220, the driving link 240, the first vane link 250, the second vane link 260, the support link 490, and the support bar 470 are It is disposed on the inside of the link installation parts (404).

The vane motor 230 may be installed on at least one of the first module body 410 and the second module body 420 .

The driving link 240 is assembled to the link installation unit 404, a driving link coupling unit 407 providing a center of rotation to the driving link 240, and the first vane link 250 are assembled, A first vane link coupling part 408 for providing a center of rotation to the first vane link 250 , and a second coupling with the second vane 220 and providing a center of rotation for the second vane 220 . A vane coupling portion 409 is disposed.

In this embodiment, the driving link coupling part 407 and the first vane link coupling part 408 are formed in the form of a hole passing through the link installation part 404 .

The driving link 240 is rotatably assembled to the driving link coupling part 407 .

A first vane link 250 is rotatably assembled to the first vane link coupling part 408 .

The second vane 220 is rotatably assembled to the second vane coupling part 409 .

The second vane shaft 221 of the second vane 220 is inserted into the second vane coupling part 409 . In this embodiment, the second vane coupling part 409 is formed in a boss shape protruding toward the opposite module body 400 side. Unlike the present embodiment, it may be implemented in various forms that provide a rotating shaft.

Meanwhile, a stopper 270 for limiting the rotation angle of the driving link 240 is disposed on the link installation unit 404 .

The stopper 270 is formed to protrude from the opposite link installation part 404 toward the vanes 210 and 220 . Since the stopper 270 is formed along the edge of the driving link boss 447, it is formed in an arc shape.

In this embodiment, the stopper 270 is disposed between the driving link coupling part 407 and the first vane link coupling part 408 . In this embodiment, the stopper 270 is manufactured integrally with the link installation part 404 .

The stopper 270 generates interference at a specific position when the driving link 240 is rotated, and limits the rotation of the driving link 240 . The stopper 270 is positioned within a rotation radius of the driving link 240 .

<Configuration of the first vane>

3 or 4 , the first vane 210 is disposed between the link installation part 404 of the first module body 410 and the link installation part 404 of the second module body 420 . do.

When the indoor unit is not operated, the first vane 210 covers most of the outlet 210 . Unlike the present embodiment, the first vane 210 may be manufactured to cover the entire outlet 210 .

The first vane 210 is coupled to the driving link 240 and the first vane link 250 .

The driving link 240 and the first vane link 250 are respectively disposed on one side and the other side of the first vane 210 .

The first vane 210 is relatively rotated with the driving link 240 and the first vane link 250 , respectively.

When it is necessary to distinguish the positions of the driving link 240 and the first vane link 250 , the driving link 240 coupled to the first module body 410 is called a first driving link, and the first module body A first vane link 250 coupled to 410 is defined as a 1-1 vane link. The driving link 240 coupled to the second module body 420 is referred to as a second driving link, and the first vane link 250 coupled to the second module body 420 is defined as a 1-2 vane link. do.

The first vane 210 includes a first vane body 212 formed to extend long in the longitudinal direction of the outlet 102 , and protruding upward from the first vane body 212 , and the driving link 240 . and a joint rib 214 to which the first vane link 250 is coupled.

The first vane body 212 controls the direction of air discharged along the discharge passage 104 . The discharged air may collide with the upper or lower surface of the first vane body 212 to guide the flow direction. The discharge direction of the air and the longitudinal direction of the first vane body 212 are perpendicular or intersecting.

The lower surface of the first vane body 212 is formed in a smooth flat or curved surface, and various structures including the joint rib 214 are disposed on the upper surface. The plane of the first vane body 212 corresponds to the shape of the outlet 102 .

The joint rib 214 is an installation structure for coupling the driving link 240 and the first vane link 250 . The joint ribs 214 are respectively disposed on one side and the other side of the first vane 210 .

The joint rib 214 is formed to protrude upward from the upper surface of the first vane body 212 . The joint rib 214 is formed along the flow direction of the discharged air, and minimizes resistance with the discharged air. So, the joint rib 214 is perpendicular to or crosses the longitudinal direction of the first vane body 212 .

The joint rib 214 is formed to have a low height on a side (front) in which air is discharged, and a high height on a side (rear) in which air enters. In this embodiment, the joint rib 214 has a high side to which the driving link 240 is coupled and a low side to which the first vane link 250 is coupled.

The joint rib 214 includes a second joint part 217 rotatably coupled to the driving link 240 and a first joint part 216 rotatably coupled to the first vane link 250 . include

The joint rib 214 may be manufactured integrally with the first vane body 212 .

In the present embodiment, the first joint part 216 and the second joint part 217 are formed in the shape of a hole and pass through the joint rib 214 . The first joint part 216 and the second joint part 217 have a structure that can be axially coupled or hinged, and can be deformed into various shapes.

The second joint part 217 is positioned higher than the first joint part 216 when viewed from the front.

The second joint part 217 is located at a rear side of the first joint part 216 . A first driving link shaft 241 is assembled to the second joint part 217 . The second joint part 217 and the first driving link shaft 241 are assembled to be relatively rotatable. In this embodiment, the first drive link shaft 241 is assembled through the second joint part 217 .

The first joint part 216 is assembled with a 1-1 vane link shaft 251 .

The first joint part 216 and the 1-1 vane link shaft 251 are assembled to be relatively rotatable. In this embodiment, the 1-1 vane link shaft 251 passes through the first joint part 216 and is assembled with each other.

When viewed from a top view, the driving link 250 and the first vane link 250 are disposed between the joint rib 214 and the link installation part 404 . In this embodiment, the interval between the first joint portion 216 and the second joint portion 217 is narrower than the interval between the core link shaft 243 and the 1-2 vane link shaft 252 .

Two joint ribs 214 are disposed on the first vane 210 . When it is necessary to distinguish the two joint ribs 214 disposed on the first vane 210, the joint rib 214 disposed on the left side when viewed from the front of the vane module is defined as the left joint rib, and the right side of the vane module The joint rib placed in the is defined as the right joint rib.

A support rib 219 is disposed between the left joint rib and the right joint rib. In the present embodiment, a plurality of support ribs 219 are disposed. The support ribs 219 disposed on the left are called left support ribs, and the support ribs 219 disposed on the right are called right support ribs.

<Configuration of the second vane>

3 or 4 , the second vane 220 has a smaller area than the first vane 210 . When controlling the air discharge direction, the second vane 220 has less influence than the first vane 210 . In this embodiment, the first vane 210 is operated as a main vane that controls the air discharge direction, and the second vane 220 is operated as a sub-vane.

The second vane 220 is installed in the discharge passage 104 and rotates in place based on the second vane shaft 221 . The front end 222a of the second vane 220 may be located outside the outlet 102 according to the rotation angle of the second vane 220 .

In this embodiment, the second vane 220 is formed of a transparent or translucent material.

The second vane 220 is a second vane body 222 formed to extend long in the longitudinal direction of the outlet 102, and protrudes upward from the second vane body 222, and the second vane link ( 260) and a joint rib 224 that is relatively rotatably coupled, and is formed on one side and the other side of the second vane body 222, respectively, and the link installation part 404, specifically the second vane coupling part 409 ) and a pair of second vane shafts 221 that are rotatably coupled.

The second joint rib 224 is rotatably coupled to the second vane link 260 . A hole formed in the second joint rib 224 and rotatably coupled to the second vane link 220 is defined as a third joint part 226 .

The second joint rib 224 is formed to protrude upward from the upper surface of the second vane body 222 . The second joint rib 224 is preferably formed along the flow direction of the discharged air. Therefore, the second joint rib 224 is disposed to be perpendicular to or crossed with respect to the longitudinal direction of the second vane body 222 .

The second vane 220 may be relatively rotated about the second joint rib 224 , and may also be relatively rotated about the second vane shaft 221 . That is, the second vane 220 may be relatively rotated at each of the second joint rib 224 and the second vane shaft 221 .

When viewed from the top view, the second joint rib 224 is positioned in front of the second vane shaft 221 . The second joint rib 224 moves in a constant orbit around the second vane shaft 221 .

Two second joint ribs 224 are disposed on the second vane 220 .

The bottom surface of the second vane body 222 may be formed in a gently curved surface.

The second vane body 222 controls the direction of air discharged along the discharge passage 104 . The discharged air collides with the upper or lower surface of the second vane body 222 to guide the flow direction.

The second vane shaft 221 is located at a rear side of the second joint rib 224 . A second vane link 260 , a driving link 240 , and a first vane link 250 are sequentially disposed in front of the second vane shaft 221 .

And the driving link coupling part 407 and the first vane link coupling part 408 are sequentially arranged in front of the second vane coupling part 409 .

<Configuration of driving link>

4 to 5 , the driving link 240 is directly connected to the vane motor 230 . A motor shaft (not shown) of the vane motor 230 is directly coupled to the drive link 240 , and the amount of rotation of the drive link 240 is determined according to a rotation angle of the shaft of the vane motor 230 .

The driving link 240 passes through the link installation part 404 and is assembled to the vane motor 230 . In this embodiment, the driving link 240 passes through the driving link coupling portion 407 .

The driving link 240 includes a driving link body 245, a first driving link shaft 241 disposed on the driving link body 245 and rotatably coupled to the first vane 210; A core link shaft 243 disposed on the driving link body 245 and rotatably coupled to the link installation part 404 (specifically, the driving link coupling part 407), and disposed on the driving link body 245 and a second driving link shaft 242 rotatably coupled to the second vane link 260 .

The driving link body 245 includes a first driving link body 246 , a second driving link body 247 and a core body 248 .

The core link shaft 243 is disposed on the core body 248 , the first drive link shaft 241 is disposed on the first drive link body 246 , and the second drive link body 247 is disposed. The core link shaft 243 is disposed.

The core body 248 connects the first driving link body 246 and the second driving link body 247 . A first drive link body 246 , a second drive link body 247 and a core link shaft 243 are connected to the core body 248 .

The core link shaft 243 protrudes from the core body 248 toward the vane motor 230 .

The core link shaft 243 is rotatably assembled with the link installation part 404 . The core link shaft 243 is assembled to the driving link coupling part 407 formed in the link installation part 404 . The core link shaft 243 may be relatively rotated while being coupled to the driving link coupling part 407 .

The first driving link shaft 241 and the second driving link shaft 242 protrude in the opposite direction to the core link shaft 243 . The first driving link shaft 241 and the second driving link shaft 242 protrude toward the first vane 210 and the second vane 220 .

The driving link 240 is disposed on the inside (the vane side) with respect to the link installation unit 404 . Only the core link shaft 243 of the driving link 240 passes through the link installation unit 404 and is disposed outside the link installation unit 404 (the vane motor side).

The core link shaft 243 is formed in a cylindrical shape with an empty inside. The motor shaft 231 of the vane motor 230 is inserted into the hollow formed inside the core link shaft 243 . The core link shaft 243 passes through the driving link coupling portion 407 .

There is no particular restriction on the shapes of the first driving link body 246 and the second driving link body 247 . The first driving link body 246 and the second driving link body 247 may be formed in the form of a straight line or a curved line.

The first driving link body 246 is formed longer than the second driving link body 247 . The first driving link shaft 241 is rotatably assembled with the first vane 210 . The second driving link shaft 242 is rotatably assembled with the second vane link 260 .

The first driving link body 246 is connected to the core body 248 and extends in a direction perpendicular to the core link shaft 243 . The first driving link body 246 extends in a direction parallel to the thickness of the core body 248 .

The first drive link shaft 241 is a shaft rotation structure for rotation with the first vane 210 .

The second driving link body 247 is connected to the core body 248 and extends in a direction perpendicular to the core link shaft 243 . The second driving link body 247 extends in a direction parallel to the thickness of the core body 248 .

The second driving link shaft 242 is formed in a cylindrical shape. The second driving link shaft 242 passes through the second vane link 260 .

The first drive link body 246 and the second drive link body 247 form a predetermined angle E. An imaginary straight line connecting the first drive link shaft 241 and the core link shaft 243 and an imaginary straight line connecting the core link shaft 243 and the second driving link shaft 242 forms a predetermined angle E. The angle E is greater than 90 degrees and less than 180 degrees. do.

The first driving link shaft 241 provides a structure in which the driving link body 245 and the first vane 210 can be relatively rotated. In this embodiment, the first driving link shaft 241 is integrally formed with the driving link body 245 . Unlike the present embodiment, the first drive link shaft 241 may be manufactured integrally with the first vane 210 or the joint rib 214 .

The core link shaft 243 provides a structure in which the driving link body 245 and the module body (specifically, the link installation part 404) can be relatively rotated. In this embodiment, the core link shaft 243 is integrally formed with the drive link body 245 .

The second driving link shaft 242 provides a structure in which the second vane link 260 and the driving link 240 can be relatively rotated. In this embodiment, the second driving link shaft 242 is integrally formed with the driving link body 245 . Unlike the present embodiment, the second driving link shaft 242 may be manufactured integrally with the second vane link 260 .

In this embodiment, the second driving link shaft 242 is disposed on the second driving link body 247 . The second driving link shaft 242 is disposed opposite to the first driving link shaft 241 with respect to the core link shaft 243 .

<Configuration of the first vane link>

4 or 6, in this embodiment, the first vane link 250 is formed of a solid material.

The first vane link 250 is a first vane link body 255 formed of a solid material, and is disposed on one side of the first vane link body 255, and the first vane 210, specifically the second A 1-1 first vane link shaft 251 assembled with the joint part 217) and rotated relative to the first vane 210, and disposed on one side of the first vane link body 255, the first vane link shaft 251 A 1-1 vane link shaft installation part 253 extending from the first vane link body 255 toward the first vane 210 and on which the 1-1 vane link shaft 251 is disposed; The first and second vane link shafts disposed on the other side of the first vane link body 255, assembled with the module body 400 (specifically, the link installation part 404), and rotated relative to the module body 400 (252) and disposed on the other side of the first vane link body 255, the first vane link body 255 to the module body (400, specifically, the first vane link coupling portion 408) extending toward the side and a 1-2 vane link shaft installation part 254 on which the 1-2 vane link shaft 252 is disposed.

The 1-1 vane link shaft 251 protrudes toward the first vane 210 . The 1-1 vane link shaft 251 may be assembled with the first vane 210 and rotated relative to the first vane 210 .

The 1-2 vane link shaft 252 is assembled to the link installation part 404 of the module body 400 . Specifically, the 1-2 vane link shaft 252 may be assembled to the first vane link coupling part 408 , and may be relatively rotated with the first vane link coupling part 408 .

The 1-1 vane link shaft 251 and the 1-2 vane link shaft 252 protrude in opposite directions to each other. Therefore, the 1-1 vane link shaft installation part 253 and the 1-2 vane link shaft installation part 254 are arranged to face in opposite directions to each other.

In this embodiment, the longitudinal direction of the first vane link body 255 and the arrangement direction of the 1-1 vane link shaft installation part 253 are orthogonal to each other, and the longitudinal direction of the first vane link body 255 and the first- The arrangement direction of the two vane link shaft installation parts 254 is orthogonal.

The 1-1 vane link shaft installation part 253 is formed in a disk shape. The 1-1 vane link shaft installation part 253 is formed wider than the diameter of the 1-1 vane link shaft 251 . The 1-1 vane link shaft installation unit 253 may be in close contact with the first vane 210 and support the first vane 210 .

The 1-1 vane link shaft 251 is a shaft rotation structure for rotation with the first vane 210 . The 1-2 vane link shaft 252 is a shaft rotation structure for rotation with the link installation part 404 .

<Configuration of the second vane link>

4 or 7, in this embodiment, the second vane link 260 is formed of a solid material.

The second vane link 260 includes a second vane link body 265, disposed on one side of the second vane link body 265, and assembled with the second vane 220, and the second vane ( 220) and a 2-1 th vane link shaft 261 that is rotated relative to, and a second vane link body 265 extending toward the second vane 220, and the 2-1 th vane link shaft 261 The 2-1 second vane link shaft installation part 263 disposed on the other side of the second vane link body 265 and assembled with the driving link 240 (specifically, the second driving link shaft 242) and a 2-2 second vane link shaft portion 262 that is rotated relative to the driving link 240 .

In this embodiment, the 2-2nd vane link shaft portion 262 is formed in the form of a hole passing through the second vane link body 265 . The 2-2 second vane link shaft portion 262 and the second drive link shaft 242 are assembled with each other to provide a relatively rotatable shaft rotation structure.

So, when any one of the 2-2 vane link shaft portion 262 and the second drive link shaft 242 is formed in the form of a shaft, the other one may be formed in the form of a hole or a boss providing a center of rotation. Unlike this embodiment, the 2-2 vane link shaft portion may be formed in the form of a shaft, and the second drive link shaft may be formed in the shape of a hole.

The drive link, the first vane link, and the second vane link and coupled to the relative rotation is possible in all configurations such as such a configuration is possible, and will not be described in detail separately for the deformable example.

The 2-1th vane link shaft 261 protrudes toward the second vane 220 . The 2-1 th vane link shaft 261 may be assembled with the second vane 220 and rotated relative to the second vane 220 .

In this embodiment, the longitudinal direction of the second vane link body 265 and the arrangement direction of the 2-1th vane link shaft installation part 263 are orthogonal to each other.

The 2-1 vane link shaft installation part 263 is formed in a disk shape. The 2-1 th vane link shaft installation part 263 is formed wider than the diameter of the 2-1 th vane link shaft 261 . The 2-1th vane link shaft installation part 263 may be in close contact with the second vane 220 and support the second vane 220 .

The 2-1th vane link shaft 261 is a shaft rotation structure for relative rotation with the second vane 220 . The 2-1 vane link shaft 261 is formed in a cylindrical structure.

In this embodiment, the 2-2 vane link shaft portion 262 is formed in the form of a hole passing through the second vane link body 265 . The second drive link shaft 242 of the drive link 240 is assembled to the 2-2 vane link shaft portion 262 . The second driving link shaft 242 may be relatively rotated in an assembled state with the 2-2nd vane link shaft portion 262 .

FIG. 10 is a partially enlarged view of FIG. 3 , FIG. 11 is a perspective view showing the anti-sag device of FIG. 4 , and FIG. 12 is a perspective view showing the guide link of FIG. 4 .

3, 10 to 12, the anti-sag device 430 includes a support link 490 that is rotatably assembled to the front body 310 and the first vane 210, respectively, and the support link ( It includes a support motor 432 that provides a driving force to the 490).

The support motor 432 has the same shape as the vane motor 230 , and the support motor 432 and the vane motor 230 are synchronized. That is, the vane motor 230 and the support motor 432 are controlled to have the same number of rotations and rotation angles, and through this, the entire first vane 210 elongated in the longitudinal direction can be rotated at the same angle.

When the vane motor 230 and the support motor 432 are not synchronized, torsion may occur in the first vane 210 .

The support link 490 is disposed above the first vane 210 , and is disposed between one end of the first vane 210 and the other end thereof.

One side of the support link 490 is rotatably assembled with the support rib 219 of the first vane 210 , and the other side is rotatably assembled with the assembly 456 of the support bracket 450 . . One side of the support link 490 is located above the other side.

The support rib 219 is disposed above the first vane 210 , and is disposed between one end and the other end of the first vane 210 . The support rib 219 is assembled to rotate relative to the support link 490 . The support rib 219 is disposed to protrude upward from the first vane 210 like the joint rib 216 .

The overall structure of the support link 490 is similar to that of the first vane link 250 .

The support link 490 is disposed on one side (lower side in this embodiment) of the support link body 495 and the support link body 495 formed of a solid material, and the first vane 210, specifically support It is assembled with the rib 219) and is disposed on the other side (upper side in this embodiment) of a first support link shaft 491 that is rotated relative to the first vane 210, and the support link body 495, It is assembled with the support bracket 450 (specifically, the assembly part 456 ), and includes a second support link shaft 492 that is rotated relative to the support bracket 450 .

The first support link shaft 491 and the second support link shaft 492 are arranged in parallel.

In this embodiment, a plurality of support links 490 may be disposed, and a support bar 470 connecting the plurality of support links 490 may be further disposed.

In this embodiment, the support bar 470 connects the support links 490 .

A shaft 431 of the support motor 432 may be coupled to any one of the support links 490 .

In this embodiment, the second support link shafts 492 and the support bar 470 may be disposed on the same axis. When the support motor 432 is operated, the support links 490 and the support bar 470 are rotated together.

On the other hand, in this embodiment, in order to minimize the torsion of the first vane 210, the first support link shaft 491 is disposed on the same axis as the 1-1 vane link shaft 251, and the second support link The shaft 492 is disposed on the same axis as the 1-2 vane link shaft 252 .

When it is necessary to distinguish the support link 490, it is referred to as a first support link 490-1 and a second support link 490-2. In this embodiment, the support motor 432 is assembled with the first support link 490-1.

The assembly portion 456 of the support bracket 450 may be manufactured in various forms. In this embodiment, the assembly part 456 includes a groove 455 into which the second support link shaft 492 or the support bar 470 is inserted. The groove 455 is formed from the lower side to the upper side, and the second support link shaft 492 or the support bar 470 is fitted into the groove 455 from the upper side to the lower side.

When the load of the first vane 210 is applied to the support link 490 , the second support link shaft 492 or the support bar 470 may be more firmly assembled in the groove 455 .

The support bracket 450 supports the load of the support motor 432 , the support link 490 and the support bar 470 , and supports a portion of the load of the first vane 210 through the support link 490 . do.

Since the rotational force of the support motor 432 is transmitted to the support link 490 through the support bar 470, the torsion of the first vane 210 in the longitudinal direction is minimized, and the first vane 210 ) can be firmly supported.

In addition, since the first vane 210 is supported by the support link 490 , deflection of the first vane 210 can be suppressed.

Unlike this embodiment, only one support bracket 450 may be disposed.

Referring to FIG. 12 , a guide link 480 not coupled to the support motor 432 may be additionally disposed.

The guide link 480, the guide link body 485 formed of a solid material, is disposed on one side (lower side in this embodiment) of the guide link body 485, the first vane 210, specifically support It is assembled with the rib 219) and is disposed on the other side (upper side in this embodiment) of a first guide link shaft 481 that is rotated relative to the first vane 210, and the guide link body 485, It is assembled with the support bracket 450 (specifically, the assembly part 457), and includes a second guide link shaft 482 that is rotated relative to the support bracket 450.

In this embodiment, the assembly part 457 is formed in a hole shape, and the second guide link shaft 482 is assembled to pass through the hole-shaped assembly part 457 .

The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, but may be manufactured in various different forms, and those of ordinary skill in the art to which the present invention pertains. It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without changing the technical spirit or essential features of the present invention. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive.

100: case 101: intake port
102: discharge port 103: suction flow path
104: discharge flow path 110: case housing
120: front panel 130: indoor heat exchanger
140: indoor fan 200: vane module
210: first vane 220: second vane
230: vane motor 240: drive link
250: first vane link 260: second vane link
300: front panel 310: front body
320: suction grill 400: module body
430: anti-sag device 450: support bracket
470: support bar 480: guide link
490: support link

Claims (10)

a case in which a discharge port is formed;
a first vane disposed at the outlet;
a vane motor assembled to the case and providing a driving force to the first vane;
a driving link assembled to be rotatable relative to the case, coupled to the vane motor, and transmitting a driving force of the vane motor to the first vane;
a first vane link that is relatively rotatably assembled with the case and the first vane;
a support link connecting the case and the first vane and rotatably assembled with the first vane;
The indoor unit of the ceiling type air conditioner comprising a; a support motor connected to the support link and rotating the support link. The method according to claim 1,
It further includes; a support bracket protruding from the case toward the outlet,
The support link may include: a first support link shaft rotatably assembled with the first vane; and a second support link shaft rotatably assembled with the support bracket. The method according to claim 1,
The support link is an indoor unit of the ceiling type air conditioner in which a plurality of the support links are disposed in the longitudinal direction of the first vane. 3. The method according to claim 2,
The support motor is an indoor unit of the ceiling type air conditioner coupled to the second support link shaft. The method according to claim 1,
The support link includes a first support link and a second support link spaced apart in the longitudinal direction of the first vane,
The indoor unit of the ceiling type air conditioner further comprising a support bar coupled to the first support link and the second support link and rotated together with the first support link and the second support link. 3. The method according to claim 2,
The indoor unit of the ceiling air conditioner further comprising; an assembly part disposed on the support bracket and rotatably assembled to the second support link shaft. 7. The method of claim 6,
The assembly portion is an indoor unit of the ceiling type air conditioner, which is a groove formed in an upward direction. 3. The method according to claim 2,
The first vane link,
a 1-1 vane link shaft rotatably assembled with the first vane; Includes; 1-2 vane link shaft rotatably assembled with the case;
The second support link shaft is an indoor unit of the ceiling type air conditioner disposed on the same axis as the 1-2 vane link shaft. 9. The method of claim 8,
The first support link shaft is an indoor unit of the ceiling type air conditioner disposed on the same axis as the 1-1 vane link shaft. The method according to claim 1,
and a guide link connecting the case and the first vane and rotatably assembled with the first vane.

Images