KR20240017881A - Air conditioner - Google Patents

Abstract

This disclosure relates to air conditioners. An air conditioner according to an aspect of the present disclosure includes a case having a front plate formed with an inlet and an outlet; A fan disposed inside the case; a discharge guide disposed at the discharge port and having a guide portion having a curved surface along the air discharge direction; and a vane rotatably disposed at the discharge port and having a protrusion having a curved surface along the discharge direction on the downstream side of the discharge guide to prevent the phenomenon of air discharged through the discharge port being re-introduced into the intake port. It can be prevented.

Description

Air conditioner {AIR CONDITIONER}

The present disclosure relates to an air conditioner, and more specifically, to an air conditioner installed in a window.

An air conditioner is a device that cools, heats, or purifies sucked indoor air and supplies it indoors.

An air conditioner is installed on a window and can suck in indoor air, exchange heat with it, supply it indoors, and suck in outdoor air, exchange heat with it, and then discharge it outdoors. In the case of such a window-type air conditioner, an indoor fan through which indoor air flows and an indoor heat exchanger are disposed on the indoor side of the case, and an outdoor fan through which outdoor air flows and an outdoor heat exchanger are disposed on the outdoor side of the case.

However, the conventional window-type air conditioner had the problem of increasing the size of the product and making it difficult to install on a window due to the arrangement of parts to form the indoor air flow path and the outdoor air flow path.

Korean Patent Document 10-2019-0078874 discloses an air conditioner installed on a window, but since the indoor intake port is located on the side and the discharge port is located in the front, there was a problem that the volume of the product protruding from the window into the room increased. .

In addition, Korean Patent Document 10-2019-0133477 states that, because the indoor intake and discharge ports are located adjacent to each other, the air that should be supplied indoors through the discharge port reflows into the intake port, reducing the efficiency of the air conditioner. there was.

Korean Patent Document 10-2019-0133477 Korean Patent Document 10-2019-0078874

The present disclosure aims to solve the above-described problems and other problems.

Another purpose of the present disclosure may be to improve the efficiency of air conditioners.

Another purpose of the present disclosure may be to reduce the size of air conditioners.

Another object of the present disclosure may be to provide an air conditioner in which the indoor intake port and discharge port are located on the same plane.

Another purpose of the present disclosure may be to prevent the air discharged through the discharge port from re-entering the intake port.

Another purpose of the present disclosure may be to provide an air conditioner with reduced noise.

Another purpose of the present disclosure may be to provide an air conditioner with a simplified structure for preventing drafts.

Another purpose of the present disclosure may be to prevent draft into the intake port, thereby increasing the amount of air blowing into the room.

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 description below.

An air conditioner according to an aspect of the present disclosure for achieving the above-described object includes a case having a front plate formed with an intake port and an discharge port.

The air conditioner includes a fan disposed inside the case.

The air conditioner includes a discharge guide disposed at the discharge port.

The discharge guide includes a guide portion having a curved surface along the air discharge direction.

The air conditioner includes a vane rotatably disposed at the discharge port.

The vane is provided with a protrusion having a curved surface along the discharge direction on the downstream side of the discharge guide.

The case can be placed on a window.

The discharge guide and the vane may be located indoors with respect to the window.

The intake port and the discharge port may be located indoors with respect to the window.

The suction port and the discharge port may extend in a vertical direction.

The intake port and the discharge port may be spaced apart from each other on the same plane of the front plate.

The air conditioner may include a grill coupled to the front plate and disposed at the intake port.

The grill and the discharge guide may be spaced apart from each other along the front surface of the case.

The air conditioner may include a front body coupled to the front plate.

The front body may be disposed between the intake port and the discharge port to partition the intake port and the discharge port.

The discharge guide may include an extension portion protruding toward the vane.

The discharge guide may include a bent portion curved in a vertical direction from the extension portion.

The guide portion may face the vane.

The air conditioner may include a first guide space formed between the curved surface of the guide portion and the front body.

The air conditioner may include a second guide space formed between the guide portion and the vane.

The width of the first guide space may be larger than the width of the second guide space.

The gap between the guide portion and the vane may be greater than the height at which the protrusion protrudes.

The vane may include a vane body.

The protrusion may protrude from the vane body.

The vane may include a first edge located ahead of the protrusion.

The vane may include a second edge located rearward of the protrusion.

The discharge guide may be positioned between the protrusion and the second edge in the discharge direction.

The length between the first edge and the protrusion may be greater than the length between the second edge and the protrusion.

The protrusion and the second edge may be located ahead of the front end of the case.

The air conditioner may include a support portion protruding from the front body toward the vane.

The air conditioner may include a rotation support shaft fixed to the support part.

The rotation support shaft may be coupled to the vane so that it can rotate.

A plurality of discharge guides may be arranged to be spaced apart in the vertical direction.

The support portion and the rotation support shaft may be disposed between the plurality of discharge guides.

The air conditioner may include a stabilizer disposed downstream of the fan.

The stabilizer may face the discharge guide.

The stabilizer may include a first guide wall extending toward the discharge guide.

The stabilizer may include a second guide wall bent in a direction away from the vane from the first guide wall.

The stabilizer may include a third guide wall extending forward from the second guide wall.

The discharge guide may face the second guide wall in the discharge direction.

The stabilizer may include a first stabilizer protrusion protruding toward the discharge hole.

The guide portion may face the first stabilizer protrusion in the discharge direction.

The vane may include a second edge located downstream from the first stabilizer protrusion.

The case may be placed on a window that separates the indoor space from the outdoor space.

The fan may include an indoor fan that blows indoor air.

The fan may include an outdoor fan that blows outdoor air.

The case may include a first space where the indoor fan is placed.

The case may include a second space where the outdoor fan is placed.

The air conditioner may include a partition wall dividing the first space and the second space.

The air conditioner may include a discharge side wall extending toward the front.

The discharge side wall may be spaced apart from the front body to form the discharge port between the front body and the front body.

Specific details of other embodiments are included in the detailed description and drawings.

According to at least one of the embodiments of the present disclosure, the efficiency of the air conditioner can be increased by improving the amount of air blown into the room.

According to at least one of the embodiments of the present disclosure, the indoor intake port and the discharge port are located on the same side, so that the size of the air conditioner can be reduced.

According to at least one of the embodiments of the present disclosure, the indoor intake port and the discharge port are located on the same side, so that the volume of the air conditioner protruding from the window into the indoor space can be reduced.

According to at least one of the embodiments of the present disclosure, due to the protrusion of the vane, air flowing along the vane may not be re-introduced into the intake port.

According to at least one of the embodiments of the present disclosure, due to the discharge guide, air discharged through the discharge port may not be re-introduced into the intake port.

According to at least one of the embodiments of the present disclosure, the noise of the air conditioner can be reduced by suppressing eddy current formation due to the protrusion of the vane and the discharge guide.

According to at least one of the embodiments of the present disclosure, due to the protrusions of the discharge guide and the vane, the air primarily guided toward the indoor space by the discharge guide is secondarily guided toward the indoor space along the protrusion of the vane. You can.

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

1 is a perspective view of an air conditioner according to an embodiment of the present disclosure.
Figure 2 is a perspective view of an air conditioner according to an embodiment of the present disclosure.
Figure 3 is an exploded view of an air conditioner according to an embodiment of the present disclosure.
Figure 4 is a cross-sectional view of an air conditioner according to an embodiment of the present disclosure.
5 is a portion of an air conditioner according to an embodiment of the present disclosure.
Figure 6 is a part of an air conditioner according to an embodiment of the present disclosure.
7 is a portion of an air conditioner according to an embodiment of the present disclosure.
Figure 8 is a portion of a cross-sectional view of an air conditioner according to an embodiment of the present disclosure.
9 is a portion of a cross-sectional view of an air conditioner according to an embodiment of the present disclosure.
10 is a portion of an air conditioner according to an embodiment of the present disclosure.
Figure 11 is a perspective view of a vane according to an embodiment of the present disclosure.
Figure 12 is a portion of a cross-sectional view of an air conditioner according to an embodiment of the present disclosure.
Figure 13 is a contour explaining the effect of an air conditioner according to an embodiment of the present disclosure.
Figure 14 is a portion of a cross-sectional view of an air conditioner according to another embodiment of the present disclosure.
Figure 15 is a contour explaining the effect of an air conditioner according to another embodiment of the present disclosure.

Hereinafter, embodiments disclosed in this specification will be described in detail with reference to the attached drawings. Regardless of the reference numerals, identical or similar components will be given the same reference numbers and redundant descriptions thereof will be omitted.

The suffixes “module” and “part” for components used in the following description are given or used interchangeably only for the ease of preparing the specification, and do not have distinct meanings or roles in themselves.

Additionally, in describing the embodiments disclosed in this specification, if it is determined that detailed descriptions of related known technologies may obscure the gist of the embodiments disclosed in this specification, the detailed descriptions will be omitted. In addition, the attached drawings are only for easy understanding of the embodiments disclosed in this specification, and the technical idea disclosed in this specification is not limited by the attached drawings, and all changes included in the spirit and technical scope of the present disclosure are not limited. , should be understood to include equivalents or substitutes.

Terms containing ordinal numbers, such as first, second, etc., may be used to describe various components, but the components are not limited by the terms. The above terms are used only for the purpose of distinguishing one component from another.

When a component is said to be “connected” or “connected” to another component, it is understood that it may be directly connected or connected to the other component, but that other components may exist in between. It should be. On the other hand, when a component is said to be “directly connected” or “directly connected” to another component, it should be understood that there are no other components in between.

Singular expressions include plural expressions unless the context clearly dictates otherwise.

Referring to FIG. 1, the air conditioner 1 will be described.

The air conditioner (1) may be placed in the window assembly (9). The air conditioner (1) may be detachably disposed on the window assembly (9).

The window assembly 9 may include a window frame 91 and a window 92. The window frame 91 may form the outer shape of the window assembly 9. The window frame 91 may form a space on the inside. The window 92 can be moved in the inner space of the window frame 91. Glass may be fixed to the inside of the window 92.

The air conditioner 1 may be placed between the window frame 91 and the window 92. A space 93 may be formed between the window frame 91 and the window 92. The air conditioner (1) may be installed in the space (93) between the window frame (91) and the window (92).

A kit 94 may be placed between the air conditioner 1 and the window assembly 9. The kit 94 can fix the air conditioner (1) to the window assembly (9). The kit 94 can seal the gap between the air conditioner (1) and the window assembly (9).

The air conditioner (1) can be fixed to the window assembly (9). Indoor space and outdoor space can be distinguished based on the window assembly 9. Hereinafter, when describing the air conditioner 1, the indoor side facing the indoor space can be defined as the front, and the outdoor side facing the outdoor space can be defined as the rear.

The air conditioner 1 can suck indoor air and blow the sucked indoor air into the indoor space. The air conditioner (1) can suck in outdoor air and blow the sucked outdoor air to the outdoor space. The air conditioner 1 may include an inlet 11 and an outlet 12. Air in the indoor space may flow into the air conditioner (1) through the intake port (11). Air introduced into the air conditioner (1) through the intake port (11) may be supplied to the indoor space through the discharge port (12).

The intake port 11 may extend in the vertical direction. The discharge port 12 may extend in the vertical direction. The discharge port 12 may be spaced apart from the suction port 11 in a direction crossing the extension direction of the suction port 11.

The intake port 11 and the discharge port 12 may be open toward the indoor space. The suction port 11 and the discharge port 12 may be located on the same plane. The suction port 11 and the discharge port 12 may be spaced apart in the horizontal direction. The air conditioner (1) may protrude from the window assembly (9) toward the indoor space.

Air in the indoor space may flow into the air conditioner (1) through the intake port (11) and exchange heat. The air heat-exchanged inside the air conditioner (1) may be supplied to the indoor space through the discharge port (12) spaced apart from one side of the intake port (11).

Referring to FIG. 2, the air conditioner 1 will be described.

The air conditioner 1 may include a case 10. Case 10 may have a space inside. Case 10 can form the external shape of the air conditioner (1).

Case 10 may include a front case 13. The front case 13 may be arranged toward the indoor side. A portion of the front case 13 may protrude from the window assembly 9 toward the indoor space.

Case 10 may include a rear case 14. The rear case 14 may be disposed toward the outdoor side. A portion of the rear case 14 may protrude from the window assembly 9 toward the outdoor space. The rear case 14 may be combined with the front case 13.

The intake port 11 may be formed in the front case 13. The intake port 11 may be formed on the front surface of the front case 13. The discharge port 12 may be formed in the front case 13. The discharge port 12 may be formed on the front surface of the front case 13. The intake port 11 and the discharge port 12 may be spaced apart from each other on the front surface of the front case 13.

The air conditioner 1 may include a grill 15. The grill 15 can be detached from the front surface of the front case 13. The grill 15 may be disposed at the intake port 11. Air in the indoor space may be introduced into the air conditioner (1) through the grill (15). The grill 15 may be spaced apart from the discharge port 12.

The air conditioner 1 may include a vane 20. Vane 20 may be located in front of the front case 13. The vane 20 may be disposed at the discharge port 12. The vane 20 can open and close the discharge port 12. The vane 20 may be rotatably disposed at the discharge port 12. The vane 20 may be rotatably coupled to the front case 13. The vane 20 may be spaced apart from the grill 15. The vane 20 can control the wind direction of the air discharged through the discharge port 12.

Referring to FIG. 3, the air conditioner 1 will be described.

Figure 3 is an exploded view of the air conditioner (1).

The front case 13 may include a front plate 133. The front plate 133 may form the front surface of the front case 13. The intake port 11 and the discharge port 12 may be formed in the front plate 133.

The front plate 133 may include a first plate 131. The first plate 131 may extend in the vertical direction. The intake port 11 may be formed by opening in the first plate 131.

The front plate 133 may include a second plate 132. The second plate 132 may extend in the vertical direction. The discharge hole 12 may be formed as an opening in the second plate 132.

The first plate 131 and the second plate 132 may be partitioned from each other. The first plate 131 and the second plate 132 may be spaced apart in the horizontal direction.

The grill 15 can be detached from the front plate 133. The grill 15 may be coupled to the front of the intake port 11. The grill 15 may be coupled to the first plate 131.

The first plate 131 may include a grill coupling portion 1310 on which the grill 15 is disposed. The grill coupling portion 1310 may be formed by being recessed in the first plate 131. For example, the first plate 131 may include a grill engaging portion 1310 that is recessed from the front to the rear. The grill 15 is disposed on the grill coupling portion 1310 and may be coupled to the front plate 133. The partition rib 138 may be located between the first plate 131 and the second plate 132. The partition rib 138 may partition the first plate 131 and the second plate 132. The intake port 11 may be formed in the grill coupling portion 1310. The vane 20 may be rotatably coupled to the front plate 133. The vane 20 may be rotatably disposed at the discharge port 12. Vane 20 may be coupled to the second plate 132.

The front case 13 may include a top plate 134. The top plate 134 may form the upper surface of the front case 13. The top plate 134 may extend rearward from the front plate 133. The top plate 134 may be combined with the rear case 14.

The front case 13 may include a first side plate 135. The first side plate 135 may form one side of the front case 13. The first side plate 135 may extend in the vertical direction. The first side plate 135 may be combined with the rear case 14.

The front case 13 may include a second side plate 136. The second side plate 136 may form the other side of the front case 13. The second side plate 136 may extend in the vertical direction. The second side plate 136 may be combined with the rear case 14.

The first side plate 135 and the second side plate 136 may face each other. The first side plate 135 and the second side plate 136 may form the side surface of the front case 13. The first side plate 135 and the second side plate 136 may be named “side plates.”

The air conditioner 1 may include an assembly (AS) disposed inside the case 10. Assembly (AS) may refer to a collection of parts arranged inside the case 10. Each part constituting the assembly AS may be separately separated from the inside of the case 10.

The air conditioner 1 may include a first unit 30. The first unit 30 may be placed inside the case 10 .

The air conditioner 1 may include a second unit 40. The second unit 40 may be placed inside the case 10 .

The air conditioner 1 may include a third unit 50. The third unit 50 may be placed inside the case 10 .

The first unit 30 and the second unit 40 may be coupled in the vertical direction. At this time, some parts of the second unit 40 may be introduced into the first unit 30.

The second unit 40 and the third unit 50 may be coupled in the front-to-back direction. At this time, some parts of the third unit 50 may be coupled to the first unit 30 in the front-to-back direction.

However, the description of the above-mentioned first, second, and third units (30, 40, and 50) is for explaining the overall combined structure of the air conditioner (1), and the first, second, and third units (30, 40, 50) Each division is not strictly defined. In other words, each of the above-described first, second, and third units 30, 40, and 50 may be a concept meaning some of the parts disposed inside the case 10. Each of the first, second, and third units (30, 40, and 50) may be an assembly of a plurality of parts, and the parts constituting each unit (30, 40, and 50) are separate from each unit (30, 40, and 50). can be separated into The parts constituting each unit 30, 40, and 50 may be separated to form a separate, independent unit.

The air conditioner 1 may include a first body 31. The first unit 30 may include a first body 31. The first body 31 may be placed inside the case 10 .

The air conditioner 1 may include a second body 32. The first unit 30 may include a second body 32. The second body 32 may be placed inside the case 10 . The second body 32 may be disposed below the first body 31.

The air conditioner 1 may include a cover 33. The first unit 30 may include a cover 33. Cover 33 may be placed inside the case 10. The cover 33 may surround the first body 31.

The air conditioner 1 may include an indoor fan 34. The first unit 30 may include an indoor fan 34. The indoor fan 34 may be placed inside the case 10. The indoor fan 34 may be disposed inside the first body 31. The indoor fan 34 may be rotatably coupled to the first body 31.

The air conditioner (1) may include an outdoor fan (35). The first unit 30 may include an outdoor fan 35. The outdoor fan 35 may be placed inside the case 10. The outdoor fan 35 may be disposed inside the first body 31. The outdoor fan 35 may be rotatably coupled to the first body 31.

The indoor fan 34 and the outdoor fan 35 may be named “fans.”

The air conditioner 1 may include a compressor 41. The second unit 40 may include a compressor 41. The compressor 41 may be placed inside the case 10. The compressor 41 can compress the refrigerant. The compressor 41 may be disposed in the inner space of the second body 32.

The air conditioner (1) may include an outdoor heat exchanger (42). The second unit 40 may include an outdoor heat exchanger 42. The outdoor heat exchanger 42 may be placed inside the case 10. The outdoor heat exchanger 42 can exchange heat with outdoor air and a refrigerant. The outdoor heat exchanger 42 may be disposed in the inner space of the first body 31. Outdoor air blown by the outdoor fan (35) can pass through the outdoor heat exchanger (42). The refrigerant discharged from the compressor 41 may flow into the outdoor heat exchanger 42 and exchange heat with outdoor air.

The air conditioner 1 may include an expansion device 43. The second unit 40 may include an expansion device 43. The expansion device 43 may be placed inside the case 10. The expansion device 43 can expand the refrigerant. The expansion device 43 may be disposed in the inner space of the second body 32. The refrigerant that has passed through the outdoor heat exchanger (42) may flow into the expansion device (43) and expand.

The air conditioner (1) may include an indoor heat exchanger (44). The second unit 40 may include an indoor heat exchanger 44. The indoor heat exchanger 44 may be placed inside the case 10. The indoor heat exchanger 44 may be disposed in the inner space of the first body 31. The refrigerant that has passed through the expansion device 43 flows into the indoor heat exchanger 44 and can exchange heat with indoor air.

The compressor 41, outdoor heat exchanger 42, expansion device 43, and indoor heat exchanger 44 may be connected to each other through refrigerant pipes (not shown).

The air conditioner 1 may include a base 45. The second unit 40 may include a base 45. The base 45 may form the lower surface of the case 10. The base 10 may be disposed on the lower side of the first and second bodies 31 and 32. The compressor 41, the outdoor heat exchanger 42, the expansion device 43, and the indoor heat exchanger 44 may be disposed on the upper side of the base 45.

The air conditioner (1) may include a control box (51). The third unit 50 may include a control box 51. The control box 51 may be placed inside the case 10. Inside the control box 51, there is a controller (not shown) electrically connected to the vane motor 29 (see FIG. 4), indoor fan 34, outdoor fan 35, compressor 41, and expansion device 43. ) can be placed. The controller can be mounted on a PCB board. The controller can control the operation of the components 29, 34, 35, 41, and 43.

The air conditioner 1 may include a third body 52. The third unit 50 may include a third body 52. The third body 52 may be placed inside the case 10 . The third body 52 may extend upward from the control box 51. A water pipe or a refrigerant pipe may be disposed inside the third body 52. The third body 52 may cover the water pipe or the refrigerant pipe.

Referring to FIG. 4, the air conditioner 1 will be described.

FIG. 4 is a horizontal cross-sectional view of the air conditioner 1 shown in FIG. 2.

Air in the indoor space may flow into the case 10 through the intake port 11. Air in the indoor space may pass through the grill 15 and flow into the case 10.

The indoor heat exchanger 44 may be disposed at an angle inside the case 10. The air introduced through the intake port 11 may exchange heat with the refrigerant flowing in the indoor heat exchanger 44.

The indoor fan 34 may be disposed downstream of the indoor heat exchanger 44. The indoor fan 34 can suck in air outside the case 10 through the intake port 11. The indoor fan 34 may be a cross-flow fan.

Air blown by the indoor fan 34 may flow to the discharge port 12. The vane 20 may be rotatably disposed at the discharge port 12. The vane 20 can open and close the discharge port 12 and control the flow direction of air discharged through the discharge port 12. The vane 20 can close the discharge port 12. The vane 20 that closes the discharge port 12 may be disposed in front of the front body 137. The partition rib 138 is spaced apart from the discharge side wall 37 and may form a space in which the vane 20 is disposed. The vane 20 can be moved between the partition rib 138 and the discharge side wall 37. The vane 20 that closes the discharge port 12 may contact the front body 137. The partition rib 138 may be located between the vane 20 that closes the discharge port 12 and the grill coupling portion 1310. The partition rib 138 may be located between the vane 20 closing the discharge port 12 and the grill 15 disposed on the grill coupling portion 1310.

The air conditioner 1 may include a vane motor 29 that rotates the vane 20. The vane motor 29 may be fixed inside the case 10. The vane motor 29 may be connected to the vane 20 through the motor shaft 291. The vane 20 can be rotated by driving the vane motor 29.

The air conditioner (1) may include an outdoor intake port (16). Air from the outdoor space may flow into the case 10 through the outdoor intake port 16.

The air conditioner 1 may include a first outdoor grill 18. The first outdoor grill 18 may be disposed at the outdoor intake port 16. Air from the outdoor space may flow into the case 10 through the first outdoor grill 18.

The air conditioner (1) may include an outdoor outlet (17). The air inside the case 10 may be discharged to the outdoor space through the outdoor discharge port 17. The outdoor discharge port 17 may be spaced apart from the outdoor intake port 16 in the horizontal direction. The outdoor discharge port 17 and the outdoor intake port 16 may be located on the same plane.

The air conditioner 1 may include a second outdoor grill 19. The second outdoor grill 19 may be disposed at the outdoor discharge port 19. The air inside the case 10 may be discharged to the outdoor space through the second outdoor grill 19. The second outdoor grill 19 may be spaced apart from the first outdoor grill 18 in the horizontal direction. The first outdoor grill 18 and the second outdoor grill 19 may be located on the same plane.

The outdoor intake port 16, the outdoor discharge port 17, the first outdoor grill 18, and the second outdoor grill 19 may be disposed in the rear case 14 (see FIG. 3).

The outdoor heat exchanger 42 may be arranged to face the outdoor intake port 16. The air introduced through the outdoor intake port 16 may exchange heat with the refrigerant flowing in the outdoor heat exchanger 42.

The outdoor fan 35 may be disposed downstream of the outdoor heat exchanger 42. The outdoor fan 35 can suck in air outside the case 10 through the outdoor intake port 16. The outdoor fan 35 may be a cross-flow fan.

Air blown by the outdoor fan 35 may flow to the outdoor outlet 17. Air blown by the outdoor fan 35 may be discharged to the outdoor space through the outdoor discharge port 17.

The air conditioner 1 may include a partition wall 36. The partition wall 36 may be disposed inside the case 10. The partition wall 36 may extend curvedly in the horizontal direction. The partition wall 36 may be coupled to both side walls of the case 10.

The air conditioner 1 may include a first space 101. The first space 101 may be formed inside the case 10. Air in the indoor space may flow into the first space 101 through the intake port 11. Air flowing into the first space 101 may be blown by the indoor fan 34 and discharged into the indoor space through the discharge port 12. The indoor fan 34 and the indoor heat exchanger 44 may be disposed inside the first space 101.

The air conditioner 1 may include a second space 102. The second space 102 may be formed inside the case 10. Air from the outdoor space may flow into the second space 102 through the outdoor inlet 16. Air flowing into the second space 102 may be blown by the outdoor fan 35 and discharged into the outdoor space through the outdoor outlet 17. The outdoor fan 35 and the outdoor heat exchanger 42 may be disposed inside the second space 102.

The first space 101 and the second space 102 may be partitioned by a partition wall 36. The partition wall 36 may be disposed between the first space 101 and the second space 102. The partition wall 36 may separate the first space 101 and the second space 102. When classifying the interior space of the case 10, the first space 101 can be defined as the “indoor side” and the second space 102 can be defined as the “outdoor side.”

The partition rib 138 may form a perimeter of the grill coupling portion 1310. A step may be formed between the partition rib 138 and the grill coupling portion 1310. For example, the first plate 131 may have a step that is lowered in the direction from the partition rib 138 to the grill coupling portion 1310. The partition rib 138 may be located between the grill 15 and the outlet 12.

The front plate 133 may include a rear rib 1332 extending rearward. The rear rib 1332 may extend rearward from the circumference of the intake port 11. The rear rib 1332 may extend rearward from the partition rib 138. The rear rib 1332 may be located behind the grill coupling portion 1310. A step may be formed between the rear rib 1332 and the grill coupling portion 1310. For example, a step may be formed in the rear rib 1332 that is lowered in a direction toward the circumference of the grill coupling portion 1310.

The air conditioner may include a support plate 442 that secures the indoor heat exchanger 44 to the case 10. The support plate 442 may be coupled to the indoor heat exchanger 44. The support plate 442 may be located behind the front body 137. The support plate 442 may be disposed at a step formed between the rear rib 1332 and the grill coupling portion 1310. For example, the support plate 442 may be seated on a step formed between the rear rib 1332 and the grill coupling portion 1310.

The partition rib 138 may be spaced apart from the discharge side wall 37. A discharge port 12 may be formed between the partition rib 138 and the discharge side wall 37. A space in which the vane 20 is disposed may be formed between the partition rib 138 and the discharge side wall 37. For example, the partition rib 138 and the discharge side wall 37 may be spaced apart from each other in the left and right directions, and the discharge port 12 may be formed between the partition rib 138 and the discharge side wall 37.

The front body 137 may be spaced apart from the discharge side wall 37. The front body 137 may be disposed inside the discharge port 12. The front body 137 may be spaced rearward from the front end of the partition rib 138. A discharge passage may be formed between the front body 137 and the discharge side wall 37. The discharge flow path may be connected to the discharge port 12. For example, the front body 137 and the discharge side wall 37 may be spaced apart from each other in the left and right directions, and a discharge passage may be formed between the front body 137 and the discharge side wall 37.

The width of the discharge hole 12 may be larger than the width of the discharge passage 110. The width of the discharge port 12 can be formed in the left and right directions. The width of the discharge port 12 may be the distance between the partition rib 138 and the discharge side wall 37. The width of the discharge passage 110 may be formed in the left and right directions. The width of the discharge passage 110 may be the distance between the front body 137 and the discharge side wall 37.

Referring to FIG. 5, the air conditioner 1 will be described.

Figure 5 shows a portion of the indoor side of the air conditioner 1 cut horizontally.

The grill 15 may be coupled to the front plate 133. The air in the indoor space can pass through the indoor heat exchanger 44 through the suction port 11 due to the suction force generated by the indoor fan 34.

The air conditioner 1 may include a front body 137. The second plate 132 (see FIG. 3) may be a part of the front body 137. The front body 137 may extend in the vertical direction. The front body 137 may be combined with the front plate 133.

The front body 137 may be spaced apart from the grill 15. The front body 137 may be spaced apart from the intake port 11. The front plate 133 may include a partition rib 138 protruding between the front body 137 and the grill 15. The partition rib 138 may border the front body 137 and the grill 15. A step may be formed between the partition rib 138 and the front body 137. For example, a step that becomes lower as it goes from the partition rib 138 to the front body 137 may be formed. The front body 137 may be spaced rearward from the front end of the partition rib 138.

The air conditioner (1) may include a discharge side wall (37). The discharge side wall 37 may extend forward from the partition wall 36 (see FIG. 4). The discharge side wall 37 may be disposed inside the side plate 136. The discharge side wall 37 may be combined with the side plate 136. The discharge side wall 37 may face the front body 137. The discharge side wall 37 may be spaced apart from the front body 137 in the horizontal direction.

The discharge port 12 may be formed between the discharge side wall 37 and the front body 137. Air blown by the indoor fan 34 may be discharged into the indoor space through the space between the discharge side wall 37 and the front body 137.

The vane 20 may be rotatably disposed between the discharge side wall 37 and the front body 137. When the vane 20 closes the discharge port 12, the guide surface 201 (see FIG. 11) of the vane 20 may face the front surface of the front body 137. When the vane 20 closes the discharge port 12, the second edge 25 (see FIG. 8) of the vane 20 may face the end of the discharge side wall 37.

The vane 20 may include a vane body 21. The vane body 21 may be rotatably disposed at the discharge port 12. The vane body 21 may be plate-shaped.

Vanes 20 may include protrusions 22 . The protrusion 22 may protrude from the vane body 21. The protrusion 22 may protrude from the vane body 21 toward the discharge guide 70. The protrusion 22 may have a curved shape that is curved along the air flow direction.

The vane 20 may include a first edge 23. The first edge 23 may refer to an edge on both sides of the vane 20 that faces the indoor side. The first edge 23 may be located downstream of the protrusion 22 . The first edge 23 may be located ahead of the front surface of the case 10.

Vane 20 may include block 24. The block 24 may protrude from the vane body 21 toward the front body 137. The block 24 may be integrated with the vane body 21. Block 24 may be located upstream of the protrusion 22. A plurality of blocks 24 may be arranged to be spaced apart in the vertical direction.

The front body 137 may include a support portion 137a. The support portion 137a may protrude from the front body 137 toward the vane 20.

The front body 137 may include a rotation support shaft 137b. The rotation support shaft 137b may extend in the vertical direction. The rotation support shaft 137b may be fixed to the support portion 137a.

The block 24 may be rotatably coupled to the rotation support shaft 137b. Block 24 may surround the rotation support shaft 137b. When the vane 20 is rotated, the block 24 can be rotated about the rotation support axis 137b.

The air conditioner (1) may include a discharge guide (70). The discharge guide 70 may protrude from the front body 137 toward the vane 20. The discharge guide 70 may extend in the vertical direction. The discharge guide 70 may be located at the discharge port 12. The discharge guide 70 may be located between the vane 20 and the grill 15. Air discharged through the discharge port 12 may pass through the discharge guide 70.

The discharge guide 70 may include an extension portion 71. The extension portion 71 may protrude from the front body 137 toward the vane 20. A plurality of extension parts 71 may be arranged to be spaced apart in the vertical direction.

The discharge guide 70 may include a bent portion 72. The bent portion 72 may extend curvedly from the end of the extension portion 71. The bent portion 72 may extend in a direction that intersects the extension direction of the extension portion 71. A plurality of bent portions 72 may be arranged to be spaced apart in the vertical direction.

The discharge guide 70 may include a guide portion 73. The guide portion 73 may extend in the vertical direction. The guide portion 73 may be disposed between the plurality of extension portions 71. The guide portion 73 may connect a plurality of bent portions 72.

The discharge guide 70 may include a guide space 74. The guide space 74 may be formed between the plurality of extension parts 71. The guide space 74 may be formed between the guide portion 73 and the front body 137.

Air passing through the guide space 74 can be guided in the direction of air flow along one side of the guide portion 73.

The air conditioner (1) may include a rear guide (61). The rear guide 61 may be disposed on the downstream side of the indoor fan 34. Air blown from the indoor fan 34 may flow along the surface of the rear guide 61.

The air conditioner 1 may include a stabilizer 62. The stabilizer 62 may be disposed downstream of the indoor fan 34. Air blown from the indoor fan 34 may flow along the surface of the stabilizer 62. The front body 137 may be located in front of the stabilizer 62.

The air conditioner (1) may include an auxiliary vane (63). The auxiliary vane 63 may be disposed on the downstream side of the indoor fan 34. The air blown from the indoor fan 34 can be guided in the flow direction by the auxiliary vane 63.

The air blown from the indoor fan 34 can be guided in the flow direction by the rear guide 61, stabilizer 62, and auxiliary vane 63. The rear guide 61, stabilizer 62, and auxiliary vane 63 may be located upstream of the vane 20. The rear guide 61, stabilizer 62, and auxiliary vane 63 may be located on the upstream side of the discharge guide 70. The air blown from the indoor fan (34) is primarily guided in the flow direction by the rear guide (61), stabilizer (62), and auxiliary vane (63), and then flows through the vane (20) and discharge guide (70). ), the direction of flow can be secondarily guided.

Referring to FIG. 6, the air conditioner 1 will be described.

Figure 6 is an oblique view of a portion of the indoor side of the air conditioner (1). For convenience of explanation, Figure 6 shows the vane 20 in a separated state.

The discharge guide 70 may protrude from the front body 137 to the discharge port 12. A plurality of discharge guides 70 may be arranged to be spaced apart in the vertical direction.

The support portion 137a and the rotation support shaft 137b may be disposed between the plurality of discharge guides 70.

Air discharged through the discharge port 12 may pass through the guide space 74. The air passing through the guide space 74 can be guided in the direction of flow by the guide part 73.

Referring to FIG. 7, the air conditioner 1 will be described.

Figure 7 shows part of the interior structure of the indoor side of the air conditioner 1 by cutting it horizontally.

The rear guide 61 may be disposed on the downstream side of the indoor fan 34. The rear guide 61 may be disposed between the partition wall 36 and the indoor fan 34. The discharge side wall 37 may extend forward from the rear guide 61.

The rear guide 61 may include a rear guide protrusion 611. The rear guide protrusion 611 may extend along the rotation direction of the indoor fan 34. A plurality of rear guide protrusions 611 may be arranged to be spaced apart in the vertical direction.

The stabilizer 62 may be disposed downstream of the indoor fan 34. The stabilizer 62 may face the discharge side wall 37.

The stabilizer 62 may include a first stabilizer protrusion 621. The first stabilizer protrusion 621 may protrude toward the discharge port 12. A plurality of first stabilizer protrusions 621 may be arranged to be spaced apart in the vertical direction. The first stabilizer protrusion 621 may be formed to be curved along the air flow direction. The first stabilizer protrusion 621 may be located upstream of the vane 20. The first stabilizer protrusion 621 may be located upstream of the discharge guide 70.

The stabilizer 62 may include a first guide wall 622. The first guide wall 622 may face the discharge side wall 37. The first stabilizer protrusion 621 may protrude from the first guide wall 622. The first guide wall 622 may be located upstream of the vane 20. The first guide wall 622 may be located upstream of the discharge guide 70. The first guide wall 622 may face the guide portion 73. The first stabilizer protrusion 621 may face the guide portion 73.

The stabilizer 62 may include a second guide wall 623. The second guide wall 623 may be bent from the first guide wall 622. The second guide wall 623 may be bent from the first guide wall 622 in a direction away from the vane 20. The second guide wall 623 may face the discharge guide 70 in the air flow direction. The second guide wall 623 may be located upstream of the vane 20. The second guide wall 623 may be located upstream of the discharge guide 70. The second guide wall 623 may face the guide space 74.

The stabilizer 62 may include a third guide wall 624. The third guide wall 624 may extend forward from the second guide wall 623. The third guide wall 624 may face the vane 20. The third guide wall 624 may be located upstream of the discharge guide 70. The third guide wall 624 may be combined with the front body 137.

The discharge guide 70 may face the front body 137. A guide space 74 may be formed between the discharge guide 70 and the front body 137.

The discharge port 12 may include a first discharge space 121. The first discharge space 121 may be formed between the vane 20 and the stabilizer 62. The first discharge space 121 may be formed between the vane 20 and the front body 137.

The discharge port 12 may include a second discharge space 122. The second discharge space 122 may be formed between the vane 20 and the discharge side wall 37.

Air discharged through the discharge port 12 may flow between the vane 20 and the stabilizer 62 through the first discharge space 121. Air discharged through the discharge port 12 may flow between the vane 20 and the front body 137 through the first discharge space 121. Air discharged through the discharge port 12 may flow between the vane 20 and the discharge side wall 37 through the second discharge space 122.

Air introduced into the first discharge space 121 may pass through the guide space 74. A portion of the air flowing into the first discharge space 121 may be guided in the direction of flow by the guide part 73 in the guide space 74.

Referring to FIG. 8, the air conditioner 1 will be described.

Figure 8 is a portion of a cross-sectional view of the air conditioner (1) cut horizontally.

The rear guide 61 may be located rearward of the rotation center of the indoor fan 34. The rear guide protrusion 611 may be located rearward of the rotation center of the indoor fan 34.

The stabilizer 62 may be located ahead of the rotation center of the indoor fan 34. The stabilizer 62 may be located ahead of the rear guide 61.

The stabilizer 62 may include a subduction zone 625. The subduction portion 625 may extend from the third guide wall 624 toward the front body 137. The subduction portion 625 may secure the stabilizer 62 to the front body 137.

The stabilizer 62 may include an inner guide wall 626. The inner guide wall 626 may extend from the first guide wall 622 in the rotation direction of the indoor fan 34. The inner guide wall 626 may extend in a direction away from the discharge port 12. The inner guide wall 626 may form an included angle with the first guide wall 622.

The stabilizer 62 may include a second stabilizer protrusion 627. The second stabilizer protrusion 627 may protrude from the inner guide wall 626 toward the indoor fan 34. The second stabilizer protrusion 627 may extend curvedly in the rotation direction of the indoor fan 34.

The first stabilizer protrusion 621 may face the rear guide protrusion 611 in the front-to-rear direction.

The first stabilizer protrusion 621 may face the first discharge space 121. Air guided by the first stabilizer protrusion 621 may flow into the first discharge space 121.

The first stabilizer protrusion 621 may face the discharge guide 70. The discharge guide 70 may be located in front of the first stabilizer protrusion 621. Air guided by the first stabilizer protrusion 621 may flow toward the discharge guide 70.

The first stabilizer protrusion 621 may be located rearward of the vane 20. The air guided by the first stabilizer protrusion 621 may flow toward the vane 20.

The vane 20 may include a second edge 25. The second edge 25 may be located inside the case 10. The second edge 25 may be located between the discharge side wall 37 and the third guide wall 624.

The air conditioner 1 may include a front end portion 139. The front end portion 139 may refer to the front end portion of the case 10. The suction port 11 and the discharge port 12 may be formed by opening the front end portion 139.

The first edge 23 may be located ahead of the front end 139. The protrusion 22 may be located ahead of the front end 139. The second edge 25 may be located rearward of the front end 139. The discharge guide 70 may be located rearward of the front end 139.

The front body 137 may include a first body wall 1371. The first body wall 1371 may be arranged parallel to the front end portion 139. The first body wall 1371 may form the front surface of the case 10.

The front body 137 may include a second body wall 1372. The second body wall 1372 may extend rearward from the first body wall 1371. The second body wall 1372 may extend toward the inside of the case 10. The second body wall 1372 may be located ahead of the third guide wall 624.

The first discharge space 121 may include a second guide space 75 formed between the discharge guide 70 and the vane 20. Guide space 74 may be named “first guide space”. The first discharge space 121 may be divided into a first guide space 74 and a second guide space 75 based on the discharge guide 70. The air that has passed through the first guide space 74 and the second guide space 75 may join at the vane body 21 and flow toward the protrusion 22.

The discharge guide 70 may protrude from the second body wall 1372 toward the vane 20. The guide portion 73 may face the second body wall 1372.

The guide portion 73 may be formed convexly. The guide portion 73 may be formed to be convex toward the front body 137. The guide portion 73 may be formed to be convex in the direction toward the intake port 11.

The guide portion 73 may have a Coanda surface 73a. Coanda surface 73a may be formed to be convex in the direction toward the intake port 11. The Coanda surface 73a can cause the Coanda Effect. Air introduced into the guide space 74 may flow toward the vane 20 along the Coanda surface 73a. The Coanda surface 73a can guide the air introduced into the guide space 74 toward the vane 20 through the Coanda effect.

Air guided toward the vane 20 may flow along the surface of the vane body 21. The protrusion 22 may be formed to be convex in the direction from the vane body 21 toward the suction port 11. The protrusion 22 may cause the Coanda Effect. Air flowing along the vane body 21 may flow toward the first edge 23 along the surface of the protrusion 22. The protrusion 22 can guide air flowing along the vane body 21 toward the first edge 23 through the Coanda effect.

Due to the above-described structure of the protrusion 22 and the discharge guide 70, the air whose flow direction is primarily guided by the discharge guide 70 is secondarily guided by the protrusion 22, so that the air flows through the discharge port ( It is possible to prevent the air discharged through 12) from re-entering the intake port (11).

Referring to FIG. 9, the air conditioner 1 will be described.

Figure 9 is a portion of a cross-sectional view of the air conditioner (1) cut horizontally. The rotation angle of the vane 20 shown in FIG. 8 and the rotation angle of the vane 20 shown in FIG. 9 may be different.

Air blown by the indoor fan 34 may be discharged to the outside of the case 10 through the discharge port 12. At this time, the flow direction of the air blown by the indoor fan 34 is defined as the discharge direction (X). The discharge direction (X) may be parallel to the front-to-back direction.

The first edge 23 and the protrusion 22 may be located ahead of the front end 139. The first edge 23 and the protrusion 22 may guide the flow direction of air discharged to the outside of the case 10.

The air blown by the indoor fan 34 may be guided in the direction of flow by the first and second stabilizer protrusions 621 and 627. Air guided by the first and second stabilizer protrusions 621 and 627 may flow into the first discharge space 121. Air flowing into the first discharge space 121 may flow into the first guide space 74 or the second guide space 75. The air flowing into the first guide space 74 may flow along the surface of the guide portion 73 and toward the protrusion 22 due to the Coanda effect. The air flowing into the second guide space 75 may flow along the surface of the vane body 21 and join the air guided by the guide portion 73 on the upstream side of the protrusion 22. Air flowing along the surface 221 of the protrusion 22 may flow toward the first edge 23 by the Coanda effect. The surface 221 of the protrusion 22 may induce the Coanda Effect and guide air flowing along the surface 221 toward the first edge 23. The air that reaches the first edge 23 can be supplied to the front indoor space.

The length from the second edge 25 to the protrusion 22 may be defined as the first length L1. The length from the protrusion 22 to the first edge 23 may be defined as the second length L2. The first length (L1) may be greater than the second length (L2). That is, the length L1 from the second edge 25 to the protrusion 22 may be greater than the length L2 from the protrusion 22 to the first edge 23.

The width between the guide portion 73 and the front body 137 may be defined as the first width W1. The width between the discharge guide 70 and the vane 20 may be defined as the second width W2. The width at which the protrusion 22 protrudes may be defined as the third width W3. The first width W1 may mean the width of the first guide space 74. The second width W2 may mean the width of the second guide space 75.

The first width W1 may be larger than the second width W2. That is, the gap W1 between the guide part 73 and the front body 137 may be larger than the gap W2 between the discharge guide 70 and the vane 20.

The second width W2 may be larger than the third width W3. That is, the gap W2 between the discharge guide 70 and the vane 20 may be greater than the height W3 at which the protrusion 22 protrudes from the vane body 21.

Due to the relationship between the length and width described above, the Coanda Effect by the vane 20 and the discharge guide 70 is maximized, and the flow direction of the air discharged through the discharge port 12 is guided toward the front. It can be. Accordingly, it is possible to prevent the air discharged through the discharge port 12 from re-introducing the air intake port 11.

Referring to FIG. 10, the air conditioner 1 will be described.

Figure 10 is an enlarged view of the vane 20 and the discharge guide 70.

The vane 20 may be supported by a support portion 137a (see FIG. 5) and a rotation support shaft 137b protruding from the front body 137. The block 24 of the vane 20 can be rotated around the rotation support axis 137b. The block 24 and the rotation support shaft 137b can be relatively rotated.

The discharge guide 70 may protrude from the front body 137 toward the vane 20. The extension portion 71 and the bent portion 72 may connect the guide portion 73 to the front body 137.

The air discharged through the discharge port 12 may pass through the first guide space 74 and the second guide space 75 and flow along the surface of the vane body 21.

Referring to FIG. 11, the vane 20 will be described.

Vane 20 may include a guide surface 201. The guide surface 201 may be one side of the vane body 21. Air discharged through the discharge port 12 may flow along the guide surface 201. The protrusion 22 may protrude from the guide surface 201.

Guide surface 201 may include a first guide surface 202. The first guide surface 202 may be a flat surface.

Guide surface 201 may include a second guide surface 203. The second guide surface 203 may be a curved surface. The second guide surface 203 may include the surface 221 of the protrusion 22 (see FIG. 9).

The first guide surface 202 and the second guide surface 203 may form a continuous surface. The first guide surface 202 and the second guide surface 203 may be integrated.

The protrusion 22 may protrude from the second guide surface 203. Block 24 may protrude from first guide surface 202. The block 24 may be provided with a through hole 241 through which the rotation support shaft 137b passes.

With reference to FIGS. 12 and 13 , the effect of the air conditioner 1 according to an embodiment of the present disclosure will be described.

FIG. 12 is a diagram showing the structure of the air conditioner 1 of the present disclosure including the protrusion 22 and the discharge guide 70. FIG. 13 is a contour illustrating the flow of air discharged from the air conditioner 1 in FIG. 12. For the description of the air conditioner 1, the contents described with reference to FIGS. 1 to 11 may be applied in the same manner.

The air conditioner 1 including the protrusion 22 and the discharge guide 70 can prevent air discharged through the discharge port 12 from re-introducing the air intake port 11. Air flowing along the vane 20 may flow forward in the external area P of the case 10. That is, the air whose flow direction is guided by the protrusion 22 and the discharge guide 70 has the ability to flow straight in the Q direction.

14 and 15, the effect of the air conditioner 1' according to a comparative example of the present disclosure will be described.

FIG. 14 is a diagram showing the structure of the air conditioner 1' without protrusions and discharge guides, unlike FIGS. 1 to 13. FIG. 15 is a contour illustrating the flow of air discharged from the air conditioner 1' in FIG. 14. The description of the air conditioner 1' may be identical to that described with reference to FIGS. 1 to 11, except for the protrusions and the discharge guide.

In the air conditioner (1') equipped only with flat-shaped vanes (20'), the air discharged through the discharge port is re-introduced to the intake port. Air flowing along the vanes 20' may flow toward the intake port in the external area P' of the case 10. That is, the air flowing along the vane 20' flows in the Q' direction and is re-introduced into the intake port. Accordingly, the efficiency of blowing air into the indoor space decreases, and the cooling and heating performance of the air conditioner deteriorates. Additionally, as cooled or heated air reflows into the case, the heat exchange efficiency in the heat exchanger decreases. In addition, the air conditioner 1' generates a vortex R' due to the re-suction flow flowing in the Q' direction. The vortex (R') generated near the intake and discharge ports generates noise in the air conditioner (1') and reduces blowing performance.

Referring to FIGS. 1 to 15 , an air conditioner according to an aspect of the present disclosure includes: a case facing the indoor side and having a front plate on which an inlet and an outlet are formed; an indoor fan disposed inside the case and forming an airflow; an indoor heat exchanger that exchanges heat between air and refrigerant inside the case; It may include a grill detachably coupled to the front of the intake port.

According to another aspect of the present disclosure, the front plate: extends in a vertical direction and may include a partition rib that partitions the intake port and the discharge port.

According to another aspect of the present disclosure, the front plate includes: a first plate on which the intake port is formed; And it may include a second plate on which the discharge port is formed.

According to another aspect of the present disclosure, the partition rib may be located between the first plate and the second plate.

According to another aspect of the present disclosure, the first plate may include a grill engaging portion recessed from the front surface so that the grill is disposed.

According to another aspect of the present disclosure, the partition rib may form a perimeter of one side of the grill engaging portion.

According to another aspect of the present disclosure, the intake port may be open at the grill engaging portion.

According to another aspect of the present disclosure, the partition rib may be located between the grill disposed in the grill coupling portion and the discharge port.

According to another aspect of the present disclosure, a step may be formed between the partition rib and the grill engaging portion.

According to another aspect of the present disclosure, the front plate may further include a front body disposed at the discharge port and coupled to the partition rib.

According to another aspect of the present disclosure, the partition rib may border the front body and the grill.

According to another aspect of the present disclosure, the front body may be spaced rearward from the front of the front plate, and a step may be formed between the front body and the partition rib.

According to another aspect of the present disclosure, it further includes a discharge vane rotatably disposed at the discharge port and opening or closing the discharge port, wherein the vane moves the front body of the front body when the discharge port is closed. It can be deployed forward.

According to another aspect of the present disclosure, the partition rib may be located between the vane closing the discharge port and the grill disposed on the grill engaging portion.

According to another aspect of the present disclosure, the vane may contact the front body when closing the discharge port.

According to another aspect of the present disclosure, the front plate may include: a rear rib extending rearward from the circumference of the intake port.

According to another aspect of the present disclosure, a step may be formed between the rear rib and the grill engaging portion.

According to another aspect of the present disclosure, a support plate for fixing the indoor heat exchanger to the inside of the case may be further included.

According to another aspect of the present disclosure, the support plate may be seated on a step formed between the rear rib and the grill engaging portion.

According to another aspect of the present disclosure, the case may include: a discharge side wall that guides a discharge airflow blowing out from the indoor fan.

According to another aspect of the present disclosure, the separation distance between the partition rib and the discharge side wall may be greater than the separation distance between the front body and the discharge side wall.

According to another aspect of the present disclosure, it may further include a stabilizer disposed at the rear of the front body and guiding the discharge airflow blown out from the indoor fan to the discharge port.

In the above, preferred embodiments of the present invention have been shown and described, but the present invention is not limited to the specific embodiments described above, and can be used in the technical field to which the invention pertains without departing from the gist of the present invention as claimed in the patent claims. Of course, various modifications can be made by those skilled in the art, and these modifications should not be understood individually from the technical idea or perspective of the present invention.

The present disclosure may be modified and implemented in various forms, and its scope is not limited to the above-described embodiments. Therefore, if the modified embodiment includes elements of the claims of the present disclosure, it should be regarded as falling within the scope of the present disclosure.

Any or other embodiments of the present disclosure described above are not exclusive or distinct from each other. In certain embodiments or other embodiments of the present disclosure described above, each configuration or function may be used in combination or combined.

For example, this means that configuration A described in a particular embodiment and/or drawing may be combined with configuration B described in other embodiments and/or drawings. In other words, even if the combination between components is not directly explained, it means that combination is possible, except in cases where it is explained that combination is impossible.

The above detailed description should not be construed as restrictive in any respect and should be considered illustrative. The scope of the present invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalent scope of the present invention are included in the scope of the present invention.

1: Air conditioner 10: Case
11: Inlet 12: Discharge port
20: vane 22: protrusion
70: Discharge guide 73: Guide part

Claims (15)

A case facing the indoor side and having a front plate formed with an inlet and an outlet;
an indoor fan disposed inside the case and forming an airflow;
an indoor heat exchanger that exchanges heat between air and refrigerant inside the case;
It includes a grill detachably coupled to the front of the intake port,
The front plate is:
An air conditioner extending in a vertical direction and including a partition rib that partitions the intake port and the discharge port. According to claim 1,
The front plate is:
a first plate on which the suction port is formed; and
It includes a second plate on which the discharge port is formed,
The partition rib is,
An air conditioner located between the first plate and the second plate. According to clause 2,
The first plate:
An air conditioner including a grill coupling portion recessed from the front so that the grill is disposed. According to clause 3,
The partition rib is,
An air conditioner forming a perimeter of one side of the grill joint. According to clause 3,
The intake port is,
An air conditioner that opens at the grill joint. According to clause 4,
The partition rib is,
An air conditioner located between the grill disposed in the grill coupling portion and the discharge port. According to clause 3,
An air conditioner in which a step is formed between the partition rib and the grill engaging portion. According to claim 1,
The front plate is:
Further comprising a front body disposed at the discharge port and coupled to the partition rib,
The partition rib is,
An air conditioner bordering the front body and the grill. According to clause 8,
The front body is,
Spaced rearward from the front of the front plate,
An air conditioner in which a step is formed between the front body and the partition rib. According to clause 9,
Further comprising a discharge vane rotatably disposed at the discharge port and opening or closing the discharge port,
The vane is,
An air conditioner disposed in front of the front body when the discharge port is closed. According to claim 1,
The partition rib is,
An air conditioner located between the vane that closes the discharge port and the grill. According to claim 10,
The vane is,
An air conditioner that contacts the front body when the discharge port is closed. According to clause 5,
The front plate is:
It includes a rear rib extending rearward from the circumference of the intake port,
An air conditioner in which a step is formed between the rear rib and the grill engaging portion. According to clause 9,
The above case is:
It includes a discharge side wall that guides the discharge airflow blowing out from the indoor fan,
The separation distance between the partition rib and the discharge side wall is,
An air conditioner larger than the separation distance between the front body and the discharge side wall. According to clause 8,
The air conditioner further includes a stabilizer disposed at the rear of the front body and guiding the discharge airflow blown out from the indoor fan to the discharge port.

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