WO2019059686A1

WO2019059686A1 - Ceiling-type indoor unit of air conditioner

Info

Publication number: WO2019059686A1
Application number: PCT/KR2018/011181
Authority: WO
Inventors: 엄민진; 윤형남
Original assignee: 엘지전자 주식회사
Priority date: 2017-09-20
Filing date: 2018-09-20
Publication date: 2019-03-28
Also published as: AU2018334927B2; EP3686509B1; EP3686507B1; WO2019059685A1; CN111433525B; CN111433525A; EP3686508A4; AU2018337544B2; CN111373209A; AU2018337546B2; CN111373200A; CN111373200B; KR20190033030A; KR20190033032A; AU2018337541B2; CN111373209B; EP3686507A4; AU2018334927A1; AU2018337541A1; EP3686506A4

Abstract

The present invention is advantageous in that when indoor load is determined, if the indoor load is high, a dynamic cooling step or dynamic heating step is provided to converge indoor temperature to a target temperature; and if the indoor load is low, indirect wind is provided, thereby improving satisfaction of a person in a room.

Description

Ceiling type indoor unit of air conditioner

The present invention relates to a control method of a ceiling-type indoor unit of an air conditioner, and more particularly, to a control method of a ceiling-type indoor unit for first, second, third, and fourth vane modules during indoor cooling or heating.

Generally, an air conditioner is composed of a compressor, a condenser, an evaporator, and an inflator, and supplies air or warm air to a building or a room using an air conditioning cycle.

The air conditioner is structurally divided into a separable type in which the compressor is disposed outdoors and an integral type in which the compressor is integrally manufactured.

In the separate type, an indoor heat exchanger is installed in an indoor unit, an outdoor heat exchanger and a compressor are installed in an outdoor unit, and two devices separated from each other are connected to each other by a refrigerant pipe.

In the integrated type, the indoor heat exchanger, the outdoor heat exchanger and the compressor are installed in one case. The integrated type air conditioner includes a window type air conditioner for directly mounting the apparatus on a window, and a duct type air conditioner for connecting the suction duct and the discharge duct to the outside of the room.

The separate type air conditioner is generally classified according to the installation type of the indoor unit.

A stand-type air conditioner in which an indoor unit is vertically installed in an indoor space is referred to as a stand-type air conditioner. A wall-mounted type air conditioner in which an indoor unit is installed on a wall of the room is called a ceiling-type indoor unit.

There is also a system air conditioner which is capable of providing air-conditioned air in a plurality of spaces as one type of a separate type air conditioner.

In the case of a system air conditioner, there is a type in which a plurality of indoor units are provided to air-condition the room, and a type in which air-conditioned air is supplied to each space through the duct.

A plurality of indoor units provided in the system air conditioner may be equipped with a stand type, a wall type or a ceiling type.

The ceiling-type indoor unit according to the related art includes a case suspended from a ceiling wall, and a front panel covering a bottom surface of the case and installed on a ceiling-like surface.

A suction port is disposed at the center of the front panel, a plurality of discharge ports are disposed outside the suction port, and a discharge vane is provided for each discharge port.

The conventional ceiling-mounted indoor unit repeatedly rotated the discharge vane when the discharge vane was in the auto swing mode. When the ceiling type indoor unit was in the discharge vane fixed mode, the discharge vane was kept stationary at a specific position.

Conventionally, when the indoor ceiling type air conditioner is cooled, there is a problem that it is difficult to meet the needs of occupants because the discharge vane is simply controlled.

[Prior Art Literature]

[Patent Literature]

Korea Patent No. 10-0679838 B1

An object of the present invention is to provide a control method of a ceiling-type indoor unit capable of quickly air-conditioning indoor air or providing indirect air depending on an indoor load.

An object of the present invention is to provide a control method of a ceiling-type indoor unit which can operate in a dynamic mode when indoor load is large and can provide indirect air when the indoor load is small.

The present invention is characterized in that two of the four vane modules form a first discharge pair and the remaining two form a second discharge pair, and when the room load is large, the first discharge pair and the second discharge pair are at different angles And a control method of the ceiling-type indoor unit in which indoor air is quickly discharged by discharging air.

The present invention is characterized in that two of the four vane modules form a first discharge pair and the remaining two form a second discharge pair, and when the room load is large, the first discharge pair and the second discharge pair are arranged in different directions And a control method of the ceiling-type indoor unit in which indoor air is quickly discharged by discharging air.

The present invention is characterized in that two of the four vane modules face each other forming a first discharge pair and the remaining two form a second discharge pair and either one of the first discharge pair or the second discharge pair is indirectly And the other of the indoor units is provided with direct air to solve the indoor load promptly.

The present invention is characterized in that two of the four vane modules face each other forming a first discharge pair and the remaining two form a second discharge pair, and when the room load is large, the first discharge pair and the second discharge pair alternately And a control method of a ceiling-type indoor unit in which indoor air is provided by providing direct air.

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

In the present invention, when the indoor load is large, the dynamic cooling step or the dynamic heating step is provided to converge the room temperature to the target temperature, and when the indoor load is small, indirect satisfaction is provided to improve the satisfaction of the occupant.

The present invention is characterized in that two of the four vane modules form a first discharge pair and the remaining two form a second discharge pair, and when the room load is large, the first discharge pair and the second discharge pair are at different angles Air is discharged to quickly solve the load in the room.

The present invention is characterized in that two of the four vane modules form a first discharge pair and the remaining two form a second discharge pair, and when the room load is large, the first discharge pair and the second discharge pair are arranged in different directions Air is discharged to quickly solve the load in the room.

The present invention is characterized in that two of the four vane modules face each other forming a first discharge pair and the remaining two form a second discharge pair and either one of the first discharge pair or the second discharge pair is indirectly And the other provides direct air to quickly dissipate the indoor load.

The present invention is characterized in that two of the four vane modules face each other forming a first discharge pair and the remaining two form a second discharge pair, and when the room load is large, the first discharge pair and the second discharge pair alternately And direct wind.

The present invention relates to a case, which is suspended from a ceiling of a room, has a suction port formed on a bottom surface thereof, and has a first discharge port, a second discharge port, a third discharge port and a fourth discharge port formed at the edge of the suction port; A first vane module disposed at the first discharge port and disposed at 12 o'clock with respect to the suction port to constitute one of the first discharge pairs and to discharge air in a first discharge direction; A second vane module disposed at the second discharge port and disposed at 3 o'clock relative to the suction port to constitute one of the second discharge pairs and to discharge air in a second discharge direction; A third vane module disposed at the third discharge port, disposed at 6 o'clock with respect to the suction port, constituting the remaining one of the first discharge pairs and discharging air in a third discharge direction; And a fourth vane module disposed at the fourth outlet and arranged at 9 o'clock with respect to the inlet port to constitute the other one of the second outlet pairs and to discharge air in a fourth outlet direction,

Wherein each of the vane modules comprises: a module body installed at the case side and at least a part of which is exposed to the discharge port; A vane motor assembled to the module body and providing a driving force; A drive link body including a first drive link body and a second drive link body assembled to be relatively rotatable with the module body, coupled to the vane motor, rotated by a driving force of the vane motor, link; A first vane link located forward of the drive link and assembled to be rotatable relative to the module body; A second vane link assembled to be rotatable relative to the second driving link body; A first vane disposed in the discharge port and disposed in front of a discharge direction of air discharged from the discharge port and assembled to be rotatable relative to each of the first drive link body and the first vane link; And a second vane disposed at the discharge port and assembled to be rotatable relative to the module body by a second vane shaft and assembled to be relatively rotatable with a second vane link, The vane module, the third vane module, and the fourth vane module are set to one of the ejecting steps P1 to P6,

The first vane slope of the ejecting step P2 < the first vane slope of the ejecting step P3 < the first vane slope of the ejecting step P3 < The inclination of each second vane with respect to the horizontal satisfies a slope < the first vane inclination of the discharging step P5 < the first inclination of the vane of the discharging step P6 < <Second Vane Slope of Discharge Step P2 <Second Vane Slope of Discharge Step P3 <Second Vane Slope of Discharge Step P4 <Second Vane Slope of Discharge Step P5 <Second Vane Slope of the Discharge Step P6 < The inclination of the second vane in each of the ejecting steps is set to be always larger than the inclination of the first vane,

A step S12 in which the rapid indirect wind mode is turned ON; A load determination step (S15) of comparing the indoor load and the cooling load setting after step S12; A first dynamic cooling mode in which the first discharging pair is operated to the discharging step P2 and the second discharging pair is operated in the power cooling and discharging step when the indoor load is larger than the cooling setting load in the load determining step S15 Step S40; Determining whether the first dynamic cooling step (S40) exceeds a first dynamic time (S50); A second dynamic cooling step (S80) of operating the first discharge pair in the power cooling / discharging step and the second discharging pair in the discharging step P2 when the step S50 is satisfied; Determining whether the second dynamic cooling step (S80) exceeds a second dynamic time (S90); If the step S90 is satisfied, it is determined whether the rapid indirect wind mode is off (S120); Wherein when the indoor load is smaller than the cooling load, the controller determines that the first discharge pair and the second discharge An indirect wind providing step (S200) of operating the pair to the discharging step P2; (S210) of determining an indirect wind operation time after the indirect wind providing step (S200). If the step S210 is satisfied, the operation proceeds to the step S120.

If the step S 120 is not satisfied, the process may return to the load determination step S 15.

If the step S50 is not satisfied, the control flow returns to the first dynamic cooling step (S40). If the step S90 is not satisfied, the control flow returns to the second dynamic cooling step (S80).

The first dynamic time and the second dynamic time may be set to be the same.

In the load determination step S15, the indoor load is a temperature difference between the target temperature and the room temperature, and the cooling setting load may be set to 3 degrees.

The first discharge pair and the second discharge pair are operated at the same time when the step S50 and the second dynamic cooling step (S80) are satisfied, and when the step S50 is satisfied, the first discharge pair and the second discharge pair A first auto swing step (S60) for reciprocating a predetermined section; Further comprising: determining whether the first auto swing step (S60) exceeds a first auto time (S70); and if the step (S70) is satisfied, shifting to the second dynamic cooling step (S80) have.

The first discharge pair and the second discharge pair are operated at the same time and the first discharge pair and the second discharge pair are reciprocated for a predetermined interval A second auto swing step (SlOO); And determining whether the second auto swing step (S100) exceeds a second auto time (S110). If the step (S110) is satisfied, the step (S120) may be performed.

In the discharging step P2, the first vane forms a slope of 16 degrees to 29 degrees, and the second vane forms a slope of 57 degrees to 67 degrees. In the power cooling and discharging step, the first vane Forming a slope between 35 degrees and 44 degrees, and the second vane forming a slope between about 70 degrees and 72 degrees.

The rear end of the second vane is positioned above the discharge port, the front end of the second vane is located below the discharge port, and the rear end of the first vane is positioned at the rear end of the second vane, And the front side end of the first vane may be positioned lower than the rear side end of the first vane.

When providing the discharging step P2, the rear side end of the first vane may be positioned higher than the front side end of the second vane.

In the discharging step P1, the upper surface of the second vane may be positioned higher than the upper surface of the first vane.

A step S12 in which the rapid indirect wind mode is turned ON; A load determination step (S13) of comparing the indoor load and the heating setting load after step S12; And a second dynamic heating step of operating the first discharge pair to the discharging step P2 and operating the second discharging pair in the power heating discharging step when the indoor load is greater than the heating setting load in the load determining step S13 Step S43; Determining whether the first dynamic heating step (S43) exceeds a first dynamic time (S50); A second dynamic heating step (S83) of operating the first discharge pair in the power heating discharge step and the second discharge pair in the discharge step P2 when the step S50 is satisfied; Determining whether the second dynamic heating step (S83) exceeds a second dynamic time (S90); If the step S90 is satisfied, it is determined whether the rapid indirect wind mode is off (S120); And if the indoor load is smaller than the heating load setting in the load determination step (S13), stopping the operation of the first discharge fair and the second discharge An indirect wind providing step (S200) of operating the pair to the discharging step P2; (S210) of determining an indirect wind operation time after the indirect wind providing step (S210). If the step S210 is satisfied, the operation proceeds to the step S120.

If the step S 120 is not satisfied, the process may return to the load determination step S 13.

If the step S50 is not satisfied, the control flow returns to the first dynamic cooling step (S43). If the step S90 is not satisfied, the control flow returns to the second dynamic cooling step (S83).

In the load determining step S13, the indoor load is the temperature difference between the target temperature and the room temperature, and the heating setting load may be set to 3 degrees.

A horizontal wind unity step (S63) arranged between the step S50 and the second dynamic cooling step (S83), in which the first discharge pair and the second discharge pair are operated as the discharge step P2 when the step S50 is satisfied; The method further includes a step S73 of determining whether the horizontal wind unity step S63 exceeds a horizontal wind time, and if the step S73 is satisfied, the process may proceed to the second dynamic cooling step S83.

The rear end of the second vane is positioned above the discharge port, the front end of the second vane is located below the discharge port, and the rear end of the second vane is located on the rear side Wherein the end of the first vane is positioned lower than the front side of the second vane and the front side of the first vane is positioned lower than the rear side of the first vane.

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

First, the present invention judges an indoor load, and provides a dynamic cooling step or a dynamic heating step when the room load is large, converges the room temperature to a target temperature, provides an indirect air when the room load is small, Can be improved.

Second, the present invention is characterized in that two of the four vane modules form a first discharge pair and the remaining two form a second discharge pair, and when the indoor load is large, the first discharge pair and the second discharge pair are different from each other There is an advantage that the indoor load can be quickly dissipated by discharging air at different angles and directions.

Third, according to the present invention, when the indoor load is large, the first discharge pair and the second discharge pair alternately provide indirect wind and direct wind to quickly solve the indoor load, and provide indirect wind when the indoor load is small, It is possible to reduce the discomfort of the user.

Fourth, since the first discharge pair and the second discharge pair discharge air in different directions, the present invention has an advantage that a dead zone in which the discharged air does not reach can be minimized.

Fifth, since either one of the first discharge pair or the second discharge pair provides the indirect air and the other provides the direct air, it is possible to simultaneously supply the discharged air at a long distance and near to the indoor unit .

1 is a perspective view illustrating an indoor unit of an air conditioner according to an embodiment of the present invention.

2 is a cross-sectional view of Fig.

3 is an exploded perspective view showing the front panel of FIG.

4 is a perspective view showing the upper part of the front panel of Fig.

5 is a perspective view of the vane module shown in Fig.

Figure 6 is a perspective view from the other direction of Figure 5;

7 is a perspective view of the vane module viewed from the upper side of Fig.

8 is a front view of the vane module shown in Fig.

FIG. 9 is a rear view of the vane module shown in FIG. 3; FIG.

10 is a plan view of the vane module shown in Fig.

11 is a perspective view showing the operating structure of the vane module shown in Fig.

12 is a front view of the drive link shown in Fig.

13 is a front view of the first vane link shown in Fig.

14 is a front view of the second vane link shown in Fig.

Fig. 15 is a bottom view of the front panel in a state where the suction grille is separated in Fig. 1;

16 is a side cross-sectional view of the vane module shown in Fig.

Fig. 17 is an exemplary view of the discharging step P1 according to the first embodiment of the present invention. Fig.

Fig. 18 is an exemplary diagram of the discharging step P2 according to the first embodiment of the present invention. Fig.

Fig. 19 is an illustration of an ejection step P3 according to the first embodiment of the present invention.

Fig. 20 is an exemplary view of the discharging step P4 according to the first embodiment of the present invention.

Fig. 21 is an exemplary view of the discharging step P5 according to the first embodiment of the present invention.

Fig. 22 is an exemplary view of the discharging step P6 according to the first embodiment of the present invention.

23 is a flowchart showing a cooling control method according to the first embodiment of the present invention.

24 is a flowchart showing a cooling control method according to a second embodiment of the present invention.

25 is a flowchart showing a heating control method according to the third embodiment of the present invention.

26 is a flowchart showing a heating control method according to the fourth embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS 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. 2 is a cross-sectional view of Fig. 3 is an exploded perspective view showing the front panel of FIG. 4 is a perspective view showing the upper part of the front panel of Fig. 5 is a perspective view of the vane module shown in Fig. Figure 6 is a perspective view from the other direction of Figure 5; 7 is a perspective view of the vane module viewed from the upper side of Fig. 8 is a front view of the vane module shown in Fig. FIG. 9 is a rear view of the vane module shown in FIG. 3; FIG. 10 is a plan view of the vane module shown in Fig. 11 is a perspective view showing the operating structure of the vane module shown in Fig. 12 is a front view of the drive link shown in Fig. 13 is a front view of the first vane link shown in Fig. 14 is a front view of the second vane link shown in Fig. Fig. 15 is a bottom view of the front panel in a state where the suction grille is separated in Fig. 1; 16 is a side cross-sectional view of the vane module shown in Fig. Fig. 17 is an exemplary view of the discharging step P1 according to the first embodiment of the present invention. Fig. Fig. 18 is an exemplary diagram of the discharging step P2 according to the first embodiment of the present invention. Fig. Fig. 19 is an illustration of an ejection step P3 according to the first embodiment of the present invention. Fig. 20 is an exemplary view of the discharging step P4 according to the first embodiment of the present invention. Fig. 21 is an exemplary view of the discharging step P5 according to the first embodiment of the present invention. Fig. 22 is an exemplary view of the discharging step P6 according to the first embodiment of the present invention. 23 is a flowchart showing a cooling control method according to the first embodiment of the present invention.

The indoor unit of the air conditioner according to the present embodiment includes a case 100 having a suction port 101 and a discharge port 102, an indoor heat exchanger 130 disposed inside the case 100, And an indoor air blowing fan 140 for flowing air to the air inlet 101 and the air outlet 102.

In the present embodiment, the case 100 includes a case housing 110 and a front panel 300. The case housing 100 is hung from the ceiling of the room through a hanger (not shown), and the lower side is opened. The front panel 300 covers the opened face of the case housing 110 and is disposed toward the floor of the room and is exposed to the room and the inlet port 101 and the outlet port 102 are formed.

The case 100 may be variously formed in accordance with the production mode, and the configuration of the case 100 does not limit the idea of the present invention.

The suction port 101 is disposed at the center of the front panel 300 and the discharge port 102 is disposed outside the suction port 101. The number of the suction ports 101 or the number of the discharge ports 102 is irrelevant to the idea of the present invention. In this embodiment, one suction port 101 is formed, and a plurality of the discharge ports 102 are arranged.

In this embodiment, the suction port 101 is formed in a rectangular shape when viewed from the bottom, and the discharge port 102 is spaced apart from the edges of the suction port 101 by a predetermined distance.

The indoor heat exchanger 130 is disposed between the suction port 101 and the discharge port 102 and the indoor heat exchanger 130 divides the inside of the case 100 into the inside and outside. The indoor heat exchanger 130 is disposed vertically in this embodiment.

An indoor ventilation fan (140) is located inside the indoor heat exchanger (130).

When viewed in a top view or a bottom view, the overall shape of the indoor heat exchanger is formed as " ", and some sections can be separated.

The indoor heat exchanger 130 is arranged to vertically enter the air discharged from the indoor air blowing fan 140.

A drain pan 132 is installed inside the case 100 and the indoor heat exchanger 130 is mounted on the drain pan 132. The condensed water generated in the indoor heat exchanger 130 may flow into the drain pan 132 and then be stored. The drain pan 132 is provided with a drain pump (not shown) for discharging the collected condensed water to the outside.

The drain pan 132 may be formed with a sloping surface having a directionality for collecting and storing the condensed water flowing down from the indoor heat exchanger 130 to one side.

The indoor ventilation fan 140 is located inside the case 100 and above the air inlet 101. The indoor air blowing fan 140 uses a centrifugal air blower that sucks air into the center and discharges air in the circumferential direction.

The indoor ventilation fan 140 includes a bell mouth 142, a fan 144, and a fan motor 146.

The bell mouth 142 is disposed above the suction grille 320 and is positioned below the fan 144. [ The bell mouth 142 guides the air that has passed through the suction grill 320 to the fan 144.

The fan motor 146 rotates the fan 144. The fan motor 146 is fixed to the case housing 110. The fan motor 146 is disposed above the fan 144. At least a portion of the fan motor 146 is positioned higher than the fan 144.

The motor shaft of the fan motor 146 is disposed downward, and the fan 144 is coupled to the motor shaft.

The indoor heat exchanger 130 is located outside the edge of the fan 144. At least a part of the fan 144 and the indoor heat exchanger 130 are arranged on the same horizontal line. And at least a portion of the bell mouth 142 is inserted into the fan 144. At least a portion of the bell mouth 142 overlaps the fan 144 in the up-and-down direction.

The indoor heat exchanger (130) is disposed inside the case housing (110), and divides the inner space of the case housing (110) inside and outside.

An inner space surrounded by the indoor heat exchanger 130 is defined as a suction passage 103 and an outer space of the indoor heat exchanger 130 is defined as a discharge passage 104. [

The indoor air blowing fan 140 is disposed in the suction passage 103. The discharge passage 104 is located between the outside of the indoor heat exchanger 130 and the side wall of the case housing 110.

In view of the top view or the bottom view, the suction passage 103 is the inside surrounded by "? &Quot; of the indoor heat exchanger, and the discharge passage 104 is outside the "? &Quot;

The suction passage 103 communicates with the suction port 101 and the discharge passage 104 communicates with the discharge port 103.

The air flows from the lower side of the suction passage 103 to the upper side and flows from the upper side to the lower side of the discharge passage 104. The flow direction of the air is switched 180 degrees with reference to the indoor heat exchanger 130.

The suction port (101) and the discharge port (102) are formed on the same surface of the front panel (300).

The suction port (101) and the discharge port (102) are arranged to face in the same direction. In this embodiment, the suction port 101 and the discharge port 102 are disposed to face the floor of the room.

When the front panel 300 is curved, the discharge port 102 may be formed to have a slight side inclination. However, the discharge port 102 connected to the discharge path 104 is formed to be directed downward.

A vane module 200 is disposed to control the direction of air discharged through the discharge port 102.

The front panel 300 is coupled to the case housing 110 and includes a front body 310 having the inlet 101 and the outlet 102 and a plurality of grill holes 321. The inlet 101 A suction grill 320 covering the suction grill 320 and a free filter 330 detachably assembled to the suction grill 320 and a suction fan 320 installed in the front body 310 to adjust the air flow direction of the discharge port 102 And a vane module 200 for controlling the vane module 200.

The suction grill 320 is detachably installed in the front body 310. The suction grill 320 may be vertically elevated from the front body 310. The suction grille 320 covers the entire suction port 101.

In the present embodiment, the suction grill 320 is formed with a plurality of grill holes 321 in a lattice shape. The grill hole 321 and the suction port 101 are communicated with each other.

A prefilter 330 is disposed above the suction grille 320. The pre-filter 330 filters the air sucked into the case 100. The pre-filter 330 is positioned above the grill hole 321 and filters the air that has passed through the suction grill 320.

The discharge port 102 is formed in the form of a long slit along the edge of the suction port 101. The vane module 200 is positioned on the discharge port 102 and is coupled to the front body 310.

In the present embodiment, the vane module 200 may be separated to the lower side of the front body 310. That is, the vane module 200 is disposed independently of the coupling structure of the front body 310, and can be independently separated from the front body 310. The structure will be described in more detail below.

The front body 310 is coupled to the lower side of the case housing 110 and is disposed toward the interior of the case. The front body 310 is installed on the ceiling of the room and is exposed to the room.

The front body 310 is coupled to the case housing 110 and the case housing 110 supports the load of the front body 310. The front body 310 supports loads of the suction grille 320 and the prefilter 330.

The front body 310 is formed in a rectangular shape when viewed from the top view. The shape of the front body 310 may be variously formed.

The upper surface of the front body 310 may be formed horizontally to be adhered to the ceiling, and the lower surface may have a curved surface at an edge.

A suction port 101 is disposed at the center of the front body 310 and a plurality of discharge ports 102 are disposed outside the suction port 101.

In the top view, the suction port 101 may be formed in a square shape, and the discharge port 102 may be formed in a rectangular shape. The discharge port 102 may be formed in a slit shape longer than the width.

The front body 310 includes a front frame 312, a side cover 314, and a corner cover 316.

The front frame 312 provides the load and rigidity of the front panel 300 and is fastened to the case housing 110. The suction port (101) and the four discharge ports (102) are formed in the front frame (312).

In the present embodiment, the front frame 312 includes a side frame 311 and a corner frame 313.

The corner frame 313 is disposed at each corner of the front panel 300. The side frames 311 are coupled to the two corner frames 313. The side frame 311 includes an inner side frame 311a and an outer side frame 311b.

The inner side frame 311a is disposed between the suction port 101 and the discharge port 102 and couples the two corner frames 313. The outer side frame 311b is disposed outside the discharge port 102. [

In this embodiment, four inner side frames 311a and four outer side frames 311b are provided.

The suction port (101) is located inside the four inner side frames (311a). The discharge port 102 is formed so as to be surrounded by two corner frames 313, an inner side frame 311a and an outer side frame 311b.

The side cover 314 and the corner cover 316 are coupled to the bottom surface of the front frame 312. The side cover 314 and the corner cover 316 are exposed to the user, and the front frame 312 is not visible to the user.

The side cover 314 is disposed at an edge of the front frame 312 and the corner cover 316 is disposed at an edge of the front frame 312.

The side cover 314 is made of a synthetic resin material and fastened to the front frame 312. Specifically, the side cover 314 is coupled to the side frame 311, and the corner cover 316 is coupled to the corner frame 313.

In the present embodiment, four side covers 314 and four corner covers 316 are provided. The side cover 314 and the corner cover 316 are coupled to the front frame 312 and connected to each other by a single structure. In the front panel 300, the four side covers 314 and the four corner covers 316 form one edge.

The side cover 314 is disposed below the side frame 311 and the corner cover 316 is disposed below the corner frame 313. [

The four side covers 314 and the four corner covers 316 are assembled to form a quadrangular rim. The four side covers 314 and the four corner covers 316 connected to each other are defined as the front decor 350. [

The front decor 350 forms a deco outer border 351 and an inner border 352.

When viewed in a top view or a bottom view, the deco outer border 351 is formed in a rectangular shape, and the decoror border 352 is also formed in a rectangular shape as a whole. However, the edge of the decorative border forms a predetermined curvature.

The suction grille 320 and the four vane modules 200 are disposed inside the decoror borders 352. Then, the suction grille 320 and the four vane modules 200 abut against the decoror borders 352.

In the present embodiment, four side covers 314 are disposed, and each side cover 314 is coupled to the front frame 312. The outer edge of the side cover 314 forms part of the deco outer border 351 and the inner edge forms part of the decoror border 352.

Particularly, the inner edge of the side cover 314 forms the outer boundary of the discharge port 102. The inner edge of the side cover 314 is defined as a side decoror border 315. [

In the present embodiment, four corner covers 316 are disposed, and each of the corner covers 316 is coupled to the front frame 312. The outer edge of the corner cover 316 forms a part of the deco outer border 351 and the inner edge forms a part of the decoror border 352.

The inner edge of the corner cover 316 is defined as a corner decoror border 317. [

The corner decorainer 317 may be disposed to abut the suction grille 320. In the present embodiment, the inner edge of the corner cover 316 is arranged to face the suction grille 320, and the gap is spaced by a predetermined distance to form a gap 317a.

The side decor inner border 315 is spaced apart from the vane module 200 by a predetermined distance to form a gap 315a and is arranged to face the outer edge of the vane module 200. [

Thus, the decor inner border 352 is spaced apart from the outer edges of the four vane modules 200 and the suction grille 320 and forms a continuous gap.

A continuous gap formed by the four side decoupling border gap 315a and the four corner decenter border gap 317a is defined as a front decoupling gap 350a.

The front decor gap 350a is formed at the inner edge of the front decor 350. [ Specifically, the front decor gap 350a is formed by separating the outer edge of the vane module 200 and the suction grill 320 from the inner edge of the front decor 350. [

When the vane module 200 is not operated (when the indoor unit is stopped), the front decoupling gap 350a makes the suction grille 320 and the vane module 200 appear as a single structure.

The suction grille 320 is positioned below the front body 310. The suction grille 320 may be moved up and down in a state in which it is 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 vertically penetrate the grill body 322.

The suction grill 320 includes a grill body 322 disposed below the suction port 101 and communicating with the suction port 101 by a plurality of grill holes 321 formed in a rectangular shape, And a grill corner portion 327 formed to extend diagonally from the edge of the body 322.

The bottom surface of the grill body 322 and the bottom surface of the first vane 210 may form a continuous surface. The bottom surface of the grill body 322 and the bottom surface of the corner cover 316 may form a continuous surface.

Inside the grill body 322, a plurality of grills 323 are arranged in a lattice form. The grid-shaped grill 323 forms a grill hole 321 having a rectangular shape. The portion where the grill 323 and the grill hole 321 are formed is defined as a suction portion.

The grill body 322 includes a suction portion through which air is communicated, and a grill body portion 324 disposed so as to surround the suction portion. When viewed in a top view or a bottom view, the suction portion is formed in a rectangular shape as a whole.

Each of the corners of the suction portion is disposed to face each corner of the front panel 300, and more specifically to the corner cover 316.

When viewed in the bottom view, the grill body 322 is formed in a rectangular shape.

The outer edge of the grill body portion 324 is arranged to face the discharge port 102 or the front decor 350.

The grill body 324 includes a grill corner bordering 326 disposed opposite the corner cover 316 and a grill 326 formed on the grill body 324 to form the discharge port 102, Side border < RTI ID = 0.0 > 325. < / RTI >

The grill corner borders 326 may be curved around the inside of the suction grille 320 and the grill side borders 325 may be curved around the outside of the suction grille 320.

The grill body portion 324 further includes a grill corner portion 327 wrapped by the grill corner borders 326 and the two grill side borders 325. The grill corner portion 327 is protruded from the grill body portion 324 toward the corner cover 316 side.

The grill corner portion 327 is disposed at each corner of the grill body 322. The grill corner portions 327 extend toward the respective corners of the front panel 300.

In this embodiment, four grill corner portions 327 are disposed. For convenience of explanation, four grill corner portions 327 are formed on the first grill corner portion 327-1, the second grill corner portion 327-2, the third grill corner portion 327-3, And is defined as a corner portion 327-4.

The grille side borders 325 are formed in a concave shape from the outside to the inside.

A discharge port 102 is formed between the side cover 314 and the suction grille 320. More specifically, one discharge port 102 is formed between the side decoror borders 315 of the side cover 314 and the grill side borders 325 of the grill body 322. Discharge openings 102 are formed between the side decoror borders 315 and the grill side borders 325 arranged in four directions of the suction grille 320. [

In the present embodiment, the length of the corner corner borders 326 and the length of the corner decoror borders 317 are formed to be equal. That is, the width of the corner cover 316 is equal to the width of the corner portion 327 of the grill.

The inside width of the side cover 314 and the width of the grill side borders 325 are formed to be the same.

The grille side borders 325 are further divided as follows.

The grille side borders 325 form an inner boundary of the discharge opening 102. The side decor inner borders 315 and the corner decor inner borders 317 form the bar boundary of the discharge opening 102.

The grill side borders 325 are elongated in the longitudinal direction of the discharge port 102 and are connected to one side of the long straight line section 325a and connected to the suction grille 320, A second curve section 325b connected to the other side of the long straight line section 325a and having a center of curvature formed outside the suction grille 320, A first short straight line section 325d connected to the first curve section 325b and a second short straight line section 325e connected to the second curve section 325c.

&Lt; Configuration of Vane Module >

The vane module 200 is installed in the discharge passage 104 and controls the flow direction of the air discharged through the discharge opening 102.

The vane module 200 includes a module body 400 and a first vane 210, a second vane 220, a vane motor 230, a drive link 240, a first vane link 250, And a vane link 260.

The first vane 210, the second vane 220, the vane motor 230, the drive link 240, the first vane link 250, and the second vane link 260 are all connected to the module body 400 Respectively. The module body 400 is installed integrally with the front panel 300. That is, all the components of the vane module 200 are modularized and installed in the front panel 300 at one time.

Since the vane module 200 is modularized, the assembly time can be shortened and replacement is easy when the vane module 200 is broken.

In this embodiment, the vane motor 230 uses a stepping motor.

The module body 400 may be composed of one body. In this embodiment, in order to minimize the installation space and minimize the manufacturing cost, the two parts are separately manufactured.

In the present embodiment, the module body 400 includes a first module body 410 and a second module body 420.

The first module body 410 and the second module body 420 are symmetrically formed. In this embodiment, a common structure will be described by taking the first module body 410 as an example.

The first module body 410 and the second module body 420 are fastened to the front body 310, respectively. Specifically, the first module body 410 and the second module body 420 are installed in the corner frame 313, respectively.

The first module body 410 is installed in a corner frame 313 disposed at one side of the discharge port 102 and the second module body 420 is installed at a corner And is installed in the frame 313.

The first module body 410 and the second module body 420 are closely attached to the bottom surface of the respective corner frames 313 and fastened through the fastening members 401 with respect to the vertical direction.

Therefore, the first module body 410 and the second module body 420 are disposed on the lower side of the front body 310. The first module body 410 and the corner frame 313 are arranged so as to face upward from the lower side and the second module body 420 and the corner frame 313 The fastening direction is also oriented from the lower side to the upper side.

With this structure, the entire vane module 200 can be easily separated from the front body 310 during the service process.

The vane module 200 is disposed at one side of the discharge port 102 and is located below the front body 310 and is connected to the first module body 310 detachably mounted to the front body 310 A second module body 420 disposed on the other side of the discharge port 102 and positioned below the front body 310 and detachably assembled to the front body 310 downwardly, One and the other of which are coupled to the first module body 410 and the second module body 420, respectively, and at least one of the first module body 410 and the second module body 420 is rotated relative to the first module body 410 and the second module body 420, A vane motor 230 installed in at least one of the first module body 410 and the second module body 420 to provide a driving force to the

vane

210 and 220, 1 module body 410 and is disposed to face downward, and is formed to penetrate the first module body 410 A first fastening member 401-1 fastened to the front body 310 through the first fastening hole 403-1 and a second fastening member 401-1 fastened to the front body 310. [ A second coupling hole 403-2 which is disposed on the front side of the first module body 420 so as to extend downward and penetrates the second module body 420 and a second coupling hole 403-2 which is disposed on the front side of the second module body 420 through the second coupling hole 403-2, And a second fastening member 401-2 fastened to the body.

Particularly, since the first module body 410 and the second module body 420 are positioned below the front body 310, when the front body 310 is installed in the

case housing

110, 200 can be separated from the front body 310. This is commonly applied to all four vane modules 200.

When the module body 400 is separated from the front body 310, the entire vane module 200 is separated to the lower side of the front body 310.

The first module body 410 includes a module body part 402 coupled to the front body 310 and a link mounting part 404 projecting upward from the module body part 402.

The module body 402 is fastened to the front body 310 by a fastening member 401 (not shown). The module body portion 402 may be coupled to the front body 310 through hook coupling or interference fit.

Vibration or noise caused by the first vane 210, the second vane 220, the vane motor 230, the drive link 240, the first vane link 250 and the second vane link 260, The module body portion 402 is tightly fastened to the front body 310 to minimize the occurrence of the shortage.

The fastening member 401 for fixing the module body part 402 is fastened in a direction from the lower side to the upper side and can be separated from the upper side to the lower side.

The module body 402 has a fastening hole 403 through which the fastening member 401 passes.

When it is necessary to distinguish the fastening holes formed in the first module body 410 and the fastening holes formed in the second module body 420 for convenience of explanation, And a fastening hole disposed in the second module body 420 is referred to as a second fastening hole 403-1.

When it is necessary to separate the fastening member 401, the fastening member 401 provided in the first fastening hole 403-1 is defined as a first fastening member 401-1, The fastening member 401 provided in the first fastening member 403-1 is defined as a second fastening member 401-2.

The first fastening member 401-1 passes through the first fastening hole and is fastened to the front body 310. [ The second fastening member 401-2 passes through the second fastening hole and is fastened to the front body 310. [

A module hook 405 for temporarily fixing the position of the module body 400 is disposed before the module body 400 is fastened and fixed.

The module hook 405 is combined with the front panel 300 (specifically, the front body 310). Specifically, the module hook 405 and the front body 310 form mutual engagement.

A plurality of module hooks 405 may be disposed in one module body. In the present embodiment, are disposed on the outer edge and the front edge of the module body portion 402, respectively. That is, the module hooks 405 are disposed outside the first module body 410 and the second module body 420, respectively, and the module hooks 405 are symmetrical with respect to the left-right direction.

The vane module 200 can be temporarily fixed to the frame body 310 by the module hooks 405 of the first module body 410 and the module hooks 405 of the second module body 420.

Fixation by the module hooks 405 may cause some clearance in the coupling structure. The fastening member 401 firmly fixes the module body 400 temporarily fixed to the front body 310.

The fastening hole 403 in which the fastening member 401 is installed can be positioned between the module hooks 405. [ The fastening holes 403 of the first module body 410 and the fastening holes 403 of the second module body 420 are disposed between the module hooks 405 on one side and the other side.

In this embodiment, the module hooks 405 and the fastening holes 403 are arranged in a line.

The module hooks 405 can maintain the state where the vane module 200 is coupled to the frame body 310 even if the fastening members 401 are disassembled.

The vane module 200 remains coupled to the front panel 300 even when the coupling member 401 is removed when the vane module 200 needs to be separated at the time of repair or failure. Therefore, the operator does not need to separately support the vane module 200 when the fastening member 401 is dismantled.

Since the vane module 200 is firstly fixed by the module hook 405 and secondarily fixed by the fastening member 401, the convenience of service during service can be greatly improved.

The module body portion 402 is arranged horizontally, and the link mounting portion 404 is arranged vertically. Particularly, the link mounting portion 404 protrudes upward from the module body portion 402 when the link mounting portion 404 is installed.

The link mounting portion 404 of the first module body 410 and the link mounting portion 404 of the second module body 420 are disposed to face each other. The first vane 210, the second vane 220 and the driving link 240 (see FIG. 4) are installed between the link mounting portion 404 of the first module body 410 and the link mounting portion 404 of the second module body 420, A first vane link 250, and a second vane link 260 are installed. The vane motor 230 is disposed outside the link mounting portion 404 of the first module body 410 or outside the link mounting portion 404 of the second module body 420.

The vane motor 230 may be installed in only one of the first module body 410 and the second module body 420. In this embodiment, the first module body 410 or the second module body 420 is disposed.

A first vane 210, a second vane 220, a drive link 240, a first vane link 250, and a second vane link 250 are interposed between the first module body 410 and the second module body 420. And the vane module 200 is integrated.

In order to install the vane motor 230, a vane motor mounting portion 406 protruding outward from the link mounting portion 404 is disposed. The vane motor 230 is fastened and fixed to the vane motor mounting portion 406. The vane motor mounting portion 406 is formed in a boss shape, and the vane motor 230 is fixed to the vane motor mounting portion 406. The link mounting portion 404 and the vane motor 230 are separated from each other by a predetermined distance by the vane motor mounting portion 406.

The link mounting portion 404 includes a driving link fitting portion 407 to which the driving link 240 is assembled and which provides a rotational center to the driving link 240, A first vane link engaging portion 408 providing a center of rotation for the first vane link 250 and a second vane link engaging portion 408 engaging the second vane 220 and providing a center of rotation to the second vane 220, A vane coupling portion 409 is disposed.

In this embodiment, the driving linkage portion 407, the first vane linkage portion 408, and the second vane coupling portion 409 are formed in a hole shape. Unlike the present embodiment, may be formed in a boss shape or may be implemented in various forms to provide a rotation axis.

A stopper 270 for limiting the rotation angle of the driving link 240 is disposed on the link mounting portion 404. The stopper 270 protrudes toward the opposite link mounting portion 404.

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

In this embodiment, the stopper 270 is integrally formed with the link mounting portion 404. The stopper 270 may be provided at a position where the drive link 240 is installed to maintain a contact state when the drive link 240 rotates, .

In this embodiment, the stopper 270 is formed in an arc shape.

&Lt; Configuration of driving link >

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 the rotation angle of the rotation axis of the vane motor 230.

The driving link 240 passes through the link mounting portion 404 and is assembled to the vane motor 230. In the present embodiment, the drive link 240 passes through the drive 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 mounting portion 404 (specifically, the driving link fitting portion 407) And a second drive link shaft 242 rotatably coupled with 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 243 is disposed in the core body 248 and the first drive link shaft 241 is disposed in the first drive link body 246. The second drive link body 247, 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. There is no particular limitation on the shape of the first drive link body 246 and the second drive link body 247. However, in this embodiment, the first drive link body 246 and the second drive link body 247 are formed in a generally linear shape.

The first driving link body 246 is longer than the second driving link body 247.

The core link shaft 243 is rotatably assembled with the link mounting portion 404. The core link shaft 243 is assembled to the drive link coupling portion 407 formed on the link mounting portion 404. The core link shaft 243 may be relatively rotated in a state of being coupled with the driving link coupling portion 407.

The first driving link shaft 241 is rotatably assembled with the first vane 210. The second drive link shaft 242 is rotatably assembled with the second vane link 260.

The first driving link shaft 241 and the second driving link shaft 242 protrude in the same direction. The core link shaft 243 protrudes in a direction opposite to the first drive link shaft 241 and the second drive link shaft 242.

The first driving link body 246 and the second driving link body 247 form a predetermined angle. A virtual straight line connecting the first driving link shaft 241 and the core link shaft 243 and a virtual straight line connecting the core link shaft 243 and the second driving link shaft 242 are set to a predetermined angle (E). The inter-angle (E) is formed to be greater than 0 degrees and less than 180 degrees.

The first driving link shaft 241 provides a structure in which the driving link body 245 and the first vane 210 can rotate relative to each other. In the present embodiment, the first driving link shaft 241 is formed integrally with the driving link body 245. The first drive link shaft 241 may be integrally formed with the first vane 210 or the joint rib 214. In this case,

The core link shaft 243 provides a structure in which the driving link body 245 and the module body (specifically, the link mounting portion 404) can be relatively rotated. In this embodiment, the core link shaft 243 is formed integrally 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 formed integrally with the driving link body 245. The second driving link shaft 242 may be integrally formed with the second vane link 260. [

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

A virtual straight line connecting the first driving link shaft 241 and the core link shaft 243 and a virtual straight line connecting the core link shaft 243 and the second driving link shaft 242 are set to a predetermined angle (E). The inter-angle (E) is formed to be greater than 0 degrees and less than 180 degrees.

&Lt; Configuration of First Vane Link >

In the present embodiment, the first vane link 250 is formed of a rigid material and is formed in a straight line shape. Unlike the present embodiment, the first vane link 250 may be formed as a curved line.

The first vane link 250 includes a first vane link body 255 and a second vane link body 255 disposed on the first vane link body 255 and assembled with the first vane 210, A first vane link shaft 251 relatively rotated with the first vane link body 255 and a second vane link body 252 disposed on the first vane link body 255 and assembled with the module body 400 And a first-second vane link shaft 252 that is relatively rotated with respect to the body 400.

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

The first-second vane link shaft 252 is assembled to the link mounting portion 404 of the module body 400. Specifically, the first-second vane link shaft 252 is assembled to the first vane link-engaging portion 408 and can be rotated relative to the first vane link-engaging portion 408.

&Lt; Configuration of second vane link >

In the present embodiment, the second vane link 260 is formed of a rigid material and extends in a straight line. Unlike the present embodiment, the first vane link 250 may be formed as a curved line.

The second vane link 260 is disposed on the second vane link body 265 and is assembled with the second vane 220. The second vane link body 260 includes a second vane link body 265, A second vane link shaft 261 relatively rotated with the first vane link body 265 and a second vane link body 265 disposed on the second vane link body 265 and assembled with the driving link 240, And a second 2-vane link shaft portion 262 relatively rotated with the driving link 240.

In this embodiment, the second-second vane link shaft portion 262 is formed in the form of a hole passing through the second vane link body 265. Since the second-2-vane link shaft portion 262 and the second drive link shaft 242 are relatively structured, one is formed in the shape of an axis, and the other is formed in the shape of a hole providing the center of rotation. Therefore, unlike the present embodiment, the second-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.

In such a configuration, it is possible to replace the driving link, the first vane link, and the second vane link with each other in such a manner as to be relatively rotatable with respect to each other, and a variant thereof will not be described in detail.

For the sake of explanation, the direction in which the air is discharged is defined as forward, and the opposite direction is defined as rearward. The ceiling side is defined as the upper side, and the floor is defined as the lower side.

In this embodiment, the first vane 210 and the second vane 220 are disposed to control the flow direction of the air discharged from the discharge port 102. The relative arrangement and relative angles of the first vane 210 and the second vane 220 are changed according to the respective steps of the vane motor 230. In this embodiment, the first vane 210 and the second vane 220 are paired to form six discharge steps P1, P2, P3, P4, P5, and P6 according to the respective steps of the vane motor 230, .

The first vane 2100 and the second vane 220 are fixed in a state in which they are not moved. In contrast to this, in the present embodiment, the discharge steps P1, P2, P3, P4, P5, The moving step may be a combination of six ejection steps P1, P2, P3, P4, P5, P6, and the first vane 210 and the second vane 220 may be actuated Air flow.

&Lt; Configuration of first vane >

The first vane 210 is disposed between the link mounting portion 404 of the first module body 410 and the link mounting portion 404 of the second module body 420.

When the indoor unit is not operated, the first vane 210 covers most of the discharge port 210. The first vane 210 may be formed so as to cover the entire discharge port 210, unlike the present embodiment.

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

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

The first vane 210 is rotated relative to the driving link 240 and the first vane link 250, respectively.

The drive link 240 coupled to the first module body 410 may be referred to as a first drive link and the first drive link may be coupled to the first module body 410. [ The first vane link 250 coupled to the first vane link 410 is defined as a 1-1 vane link. The driving link 240 connected 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 first- do.

The first vane 210 includes a first vane body 212 formed to extend in the longitudinal direction of the discharge port 102 and a second vane body 212 protruded upward from the first vane body 212, And a joint rib 214 to which the first vane link 250 is coupled.

The first vane body 212 may have a gently curved surface.

The first vane body 212 controls the direction of air discharged along the discharge passage 104. The discharged air may be struck on the upper or lower surface of the first vane body 212 to guide the flow direction.

The flow direction of the discharged air and the longitudinal direction of the first vane body 212 are orthogonal or intersecting.

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

The joint rib 214 protrudes upward from the upper surface of the first vane body 212. The joint rib 214 is formed along the flow direction of the air to be discharged, and minimizes the resistance with the discharge air. So that the joint ribs 214 are orthogonal or intersecting with respect to the longitudinal direction of the first vane body 212.

The joint rib 214 is formed such that a direction side (front side) in which air is discharged and a side (rear side) in which air enters is high. In the present embodiment, the joint rib 214 is formed at a side where the driving link 240 is coupled and at a side where the first vane link 250 is coupled.

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

The joint rib 214 may be integrally formed 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 penetrate the joint rib 214.

The first joint part 216 and the second joint part 217 are configured to be axially coupled or hinged to each other and can be modified into various shapes.

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

The second joint portion 217 is located on the rear side of the first joint portion 216. And the first drive link shaft 241 is assembled to the second joint portion 217. The second joint portion 217 and the first drive link shaft 241 are assembled to be relatively rotatable. In this embodiment, the first driving link shaft 241 passes through the second joint portion 217 and is assembled.

The first joint portion 216 is assembled with the first-vane link shaft 251.

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

The driving link 250 and the first vane link 250 are disposed between the joint rib 214 and the link mounting portion 404 when viewed from the top view.

The distance between the first joint part 216 and the second joint part 217 is narrower than the gap between the core link shaft 243 and the first vane link shaft 252 in this embodiment.

&Lt; Configuration of second vane >

The second vane 220 includes a second vane body 222 formed to extend in the longitudinal direction of the discharge port 102 and a second vane body 222 protruded upward from the second vane body 222, And a second vane shaft 221 formed on the second vane body 222 and rotatably coupled to the link mounting portion 404 so as to be rotatable relative to the second vane body 220. [ do.

The joint rib 224 has a structure capable of shaft coupling or hinge coupling and can be modified into various shapes. A hole formed in the second joint rib 224 and coupled to the second vane link 220 in a relatively rotatable manner is defined as a third joint portion 226.

In this embodiment, the third joint portion 226 is formed in the shape of a hole and penetrates the joint rib 224. The third joint part 226 can be axially coupled or hingedly coupled, and can be modified into various shapes.

When it is necessary to distinguish between the joint rib 214 of the first vane and the joint rib 224 of the second vane the joint of the first vane is defined as the first joint rib 214 and the joint of the second vane is defined as And is defined as a second joint rib 224.

The second vane 220 may be relatively rotated around the second joint rib 224 and relatively rotated about the second vane axis 221. That is, the second vane 220 can be relatively rotated at the second joint rib 224 and the second vane axis 221, respectively.

The second joint rib 224 is positioned forward of the second vane shaft 221 as viewed in the top view. The second joint rib 224 moves in a constant orbit around the second vane axis 221.

The second vane body 222 may have a gently curved surface.

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

The flow direction of the discharged air and the longitudinal direction of the second vane body 222 are orthogonal or intersecting.

At least a portion of the second vane body 222 may be positioned between the first joint portions 212 of the first vane 210 when viewed in top view.

This is a structure for preventing interference when the second vane 220 is positioned above the first vane 210. The front end of the second vane body 222 is positioned between the first joint portions 214. That is, the front side length of the second vane body 222 is smaller than the length between the first joint parts 214.

The second joint rib 224 is a mounting structure for assembling with the second vane link 260. The second joint ribs 224 are disposed on one side and the other side of the second vane body 222, respectively.

The second joint rib 224 is relatively rotatably coupled to the second vane link 260. In this embodiment, the third joint 226 and the second vane link 260 are relatively rotatable Axis.

The second joint rib 224 protrudes 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. Thus, the second joint rib 224 is disposed orthogonally or alternately with respect to the longitudinal direction of the second vane body 222.

The second vane 220 is rotated about the second vane axis 221. The second vane shaft 221 is formed on one side and the other side of the second vane body 222, respectively.

The second vane shaft 221 on one side projects toward the link mounting portion 404 disposed on one side and the second vane axis 221 on the other side projects toward the link mounting portion 404 disposed on the other side do.

The module body 400 is provided with a second vane coupling portion 411 rotatably coupled to the second vane shaft 221. In the present embodiment, the second vane coupling portion 411 is formed in a hole shape passing through the module body 400.

The second vane shaft 221 is located on the rear side of the second joint rib 224. A second vane link 260, a drive link 240, and a first vane link 250 are disposed in this order in front of the second vane axis 221. [

The driving linkage portion 407 and the first vane linkage portion 408 are disposed in this order in front of the second vane coupling portion 411 in this order.

&Lt; Arrangement of vane module and suction grill >

The joining structure and the separation structure of the vane module will be described in more detail with reference to Figs. 1 to 4 and Fig.

When the suction grille 320 is detached from the state shown in Fig. 1, the four vane modules 200 are exposed as shown in Fig. The suction grill 320 is detachably assembled to the front body 310.

The suction grill 320 can be separated from the front body 310 in various ways.

The suction grill 320 can be separated in a manner that the other side is separated and rotated with respect to one edge. Alternatively, the suction grille 320 may be released from the engagement with the front body 310 while being interlocked with each other. Alternatively, the suction grill 200 may be coupled to the front body 310 by a magnetic force.

In this embodiment, the suction grille 320 can be moved up and down by the elevator 500 installed on the front body 310. The elevator 500 is connected to the suction grill 320 through a wire (not shown). The wire 500 is unwound or wound by the operation of the elevator 500, and the suction grille 320 can be moved downward or upward.

A plurality of the elevators 500 are disposed, and each elevator 500 moves both sides of the suction grille 320 at the same time.

When the suction grille 320 is moved downward, the first module body 410 and the second module body 420, which were hidden by the suction grille 320, are exposed.

At least one of the first vane 210 and the second vane 220 of the vane module 200 may be exposed while the suction grille 320 is assembled to the front body 310.

When the indoor unit is not operating, only the first vane 210 is exposed to the user. The second vane 220 can be selectively exposed to the user when the indoor unit is operated to discharge the discharged air.

The first module body 410 and the second module body 420 of the vane module 200 are covered with the suction grill 320 while the suction grille 320 is assembled to the front body 310 Loses.

Since the fastening holes 403 are disposed in the first module body 410 and the second module body 420 respectively, the fastening holes 403 are hidden by the suction grille 320 and concealed to the user.

Since the first module body 410 and the second module body 420 are positioned above the grill corner portion 327 constituting the suction grill 320, 1 module body 410 and the second module body 420 from being exposed to the outside.

The grill corner portion 327 also cuts off the exposure of the coupling holes 403 formed in the first module body 410 and the second module body 420. Since the grill corner portion 327 is positioned below the fastening hole 403, the fastening hole 403 is concealed by the grill corner portion 327.

More specifically, the suction grill 320 is disposed below the suction port 101 and communicates with the suction port 101 by a plurality of grill holes 321, A first grill corner portion 327-1, a second grill corner portion 327-2, and a third grill corner portion 327. The first grill corner portion 327-1, the second grill corner portion 327-2, and the third grill corner portion 327 are formed to extend diagonally from the respective corners of the grill body 322. [ -3), and a fourth grill corner portion 327-4.

The vane module 200 is disposed outside each edge of the suction grill 320 and includes a first grill corner portion 327-1 and a first grill corner portion 327-2 disposed between the first grill corner portion 327-1 and the second grill corner portion 327-2. And a second vane disposed between the second grille corner portion 327-2 and the third grille corner portion 327-3 and disposed on an outer side of each edge of the suction grille 320, And a third vane module positioned between each of the third and fourth grill corner portions 327-3 and 327-4 and positioned outside the respective edges of the suction grill 320. The third vane module 327 includes a module 202, And a fourth vane module (204) disposed between the fourth grill corner portion (327-4) and the first grill corner portion (327-1) and disposed outside each edge of the suction grill (203) ).

The first module body 410 and the second module body 420 disposed between the first vane module 201 and the second vane module 202 are positioned above the first grill corner portion 327-1 And is concealed by the first grill corner portion 327-1. Specifically, the second module body of the first vane module and the first module body of the second vane module are disposed above the first grill corner portion.

The first module body and the second module body disposed between the second vane module 202 and the third vane module 203 are positioned above the second grill corner portion 327-2, And concealed by the corner portion 327-2. Specifically, the second module body of the second vane module and the first module body of the third vane module are disposed above the second grill corner portion.

The first module body and the second module body disposed between the third vane module 203 and the fourth vane module 204 are located above the third grill corner portion 327-3, And concealed by the corner portion 327-3. Specifically, the second module body of the third vane module and the first module body of the fourth vane module are disposed above the third grill corner portion.

The first module body and the second module body disposed between the fourth vane module 204 and the first vane module 201 are located above the fourth grill corner portion 327-4, And concealed by the corner portion 327-1. Specifically, the second module body of the fourth vane module and the first module body of the first vane module are disposed above the fourth grill corner portion.

15, a vane module 200 disposed at 12 o'clock direction is defined as a first vane module 201, and a vane module 200 disposed at a 3 o'clock direction is defined as a second vane module 202 The vane module 200 disposed at the 6 o'clock position is defined as the third vane module 203 and the vane module 200 disposed at the 9 o'clock position is defined as the fourth vane module 204. [

The first vane module 201, the second vane module 202, the third vane module 203 and the fourth vane module 204 are spaced at 90 degrees from the center C of the front panel 300 .

The first vane module 201 and the third vane module 203 are disposed in parallel and the second vane module 202 and the fourth vane module 204 are disposed in parallel.

In the front body 310, four side covers 314 are disposed. The side cover 314 disposed outside the first vane module 201 is defined as the first side cover 314-1 and the side cover 314 disposed outside the second vane module 202 is defined as the first side cover 314-1, The cover 314 is defined as a second side cover 314-2 and the side cover 314 disposed outside the third vane module 203 is defined as a third side cover 314-3, And the side cover 314 disposed outside the fourth vane module 204 is defined as a fourth side cover 314-4.

Each side cover 314 is assembled to the edge of the front frame 312 and is positioned below the front frame 312 and exposed to the outside and disposed outside each vane module 202.

The corner cover 316 disposed between the first vane module 201 and the second vane module 202 is defined as a first corner cover 316-1. A corner cover 316 disposed between the second vane module 202 and the third vane module 203 is defined as a second corner cover 316-2. The corner cover 316 disposed between the third vane module 203 and the fourth vane module 204 is defined as a third corner cover 316-3. A corner cover 316 disposed between the fourth vane module 204 and the first vane module 201 is defined as a fourth corner cover 316-4.

The first corner cover 316-1 is assembled to the corner of the front frame 312 and is positioned below the front frame 312. The first side cover 314-1 and the second side cover (314-2), and is exposed to the outside.

The second corner cover 316-2 is assembled to the edge of the front frame 312 and is positioned below the front frame 312. The second side cover 314-2 and the third side cover (314-3), and is exposed to the outside.

The third corner cover 316-3 is assembled to the edge of the front frame 312 and is positioned below the front frame 312. The third side cover 314-1 and the fourth side cover (314-4), and is exposed to the outside.

The fourth corner cover 316-4 is assembled to an edge of the front frame 312 and is positioned below the front frame 312. The fourth side cover 314-1 and the first side cover (314-1), and is exposed to the outside.

The first corner cover 316-1 and the third corner cover 316-3 are arranged in a diagonal direction with respect to the center C of the front panel 300 and are arranged to face each other. The second corner cover 316-2 and the fourth corner cover 316-4 are arranged in a diagonal direction with respect to the center C of the front panel 300 and arranged to face each other.

And virtual diagonal lines passing through the center of the front panel 300 are defined as P1 and P2. P1 is an imaginary line connecting the first corner cover 316-1 and the third corner cover 316-3 and P2 is a virtual line connecting the second corner cover 316-2 and the fourth corner cover 316- 4).

The suction panel 320 is provided with a first grill corner portion 327-1, a second grill corner portion 327-2, a third grill corner portion 327-3, and a fourth grill corner portion 327-3, (327-4).

The first vane module 201 is disposed outside each edge of the suction grill 320 with respect to the grill corner portions and the first grill corner portion 327-1 and the second grill corner portion 327- 2.

The second vane module 202 is disposed outside each edge of the suction grille and is disposed between the second grille corner portion 327-2 and the third grille corner portion 327-3.

The third vane module 203 is disposed outside each edge of the suction grille and disposed between the third and fourth grille corner portions 327-3 and 327-4.

The fourth vane module 204 is disposed outside each edge of the suction grill and disposed between the fourth grill corner portion 327-4 and the first grill corner portion 327-1.

The first grill corner portion 327-1 extends toward the first corner cover 316-1 and forms a continuous surface with the outer surface of the first corner cover 316-1.

The grill corner borders 326 of the first grill corner portions 327-1 are opposed to the corner decoror borders 317 of the first corner covers 316-1 and the corner decoror borders 317a .

The grill corner borders 326 of the remaining grill corner portions 327 and the corner decoror borders 317 of the corner covers 316 are also opposed to each other to form a corner decoror border gap 317a.

The first module body 410 and the second module body 420 are located inside the corner cover 316 (specifically, on the center C side of the front panel). In particular, the first module body 410 and the second module body 420 are disposed opposite to each other with respect to the virtual diagonal lines P1 and P2.

Specifically, the first module body 410 of the first vane module 201 and the second module body 420 of the fourth vane module 204 are disposed to face each other with respect to a virtual diagonal line P2 .

The first module body 410 of the second vane module 202 and the second module body 420 of the first vane module 201 are disposed opposite to each other with respect to a virtual diagonal line P1.

The first module body 410 of the third vane module 201 and the second module body 420 of the second vane module 202 are disposed to face each other with respect to a virtual diagonal line P2.

The first module body 410 of the fourth vane module 204 and the second module body 420 of the third vane module 203 are disposed opposite to each other with respect to a virtual diagonal line P1.

The suction grill 320 is positioned below the first module bodies 410 and the second module bodies 420 and the first module bodies 410 and the second module bodies 420 Hide to prevent exposure. That is, when the suction grill 320 is in close contact with the front body 310, the first module bodies 410 and the second module bodies 420 are covered by the suction grille 320 and are not exposed to the user.

The first module bodies 410 and the second module bodies 420 are hidden so that the first module bodies 410 and the second module bodies 420 are inserted into the fastening holes formed in the suction grille 320 403) are also hidden to the user.

The suction grill 320 is formed with four grill corner portions 327 arranged to face the respective corner covers 316. Each of the grill corner portions 327 is arranged to face the corner covers 316.

The grill corner portion 327 disposed opposite to the first corner cover 316-1 is defined as a first grill corner portion 327-1 and the grill corner portion 327 is disposed so as to face the second corner cover 316-2 The grill corner portion 327 is defined as a first grill corner portion 327-2 and the grill corner portion 327 disposed opposite to the third corner cover 316-3 is defined as a third grill corner portion And a grill corner portion 327 disposed opposite to the fourth corner cover 316-4 is defined as a fourth grill corner portion 327-4.

As viewed in the bottom view, the plurality of module bodies 400 are located above the grill corner portion 327 and hidden by the grill corner portion 327. [

Particularly, the grill side borders 325 forming the edges of the grill corner portions 327 are arranged to face the corner decoror borders 317 forming the inner edges of the corner covers 316, Respectively.

Similarly, the grill corner borders 326 forming the edges of the grill corner portions 327 are arranged to face the inner edge of the first vane 210, and the shapes of the curved lines also correspond to each other.

In this embodiment, a permanent magnet 318 and a magnetic force fixing portion 328 are disposed to keep the suction grille 320 in close contact with the front body 310.

The permanent magnet 318 or the magnetic force fixing portion 328 may be disposed on the front body 310 and the magnetic force fixing portion 328 or the permanent magnet 328 may be disposed on the side surface of each of the grill corners 327 318 may be disposed.

The permanent magnet 318 and the magnetic force fixing portion 328 are located above each grill corner portion 327 and are hidden by the respective grill corner portions 327. The gap between the suction grill 320 and the front body 310 can be minimized because the permanent magnet 318 and the magnetic force fixing portion 328 are located outside the respective corners of the suction grille 320.

When the suction grille 320 and the front body 310 are separated from each other, a pressure inside the suction passage 103 is lowered.

In this embodiment, the permanent magnet 318 is disposed on the front body 310. Specifically, the permanent magnet is disposed on the corner frame 313.

The magnetic force fixing portion 328 is formed of a metal material which interacts with the permanent magnet 318 to form a pulling force. The magnetic force fixing portion 328 is disposed on the upper side of the suction grille 320. Specifically, the magnetic force fixing portion 328 is disposed on the side of the grill corner portion 327.

When the suction grill 320 is moved upward and comes close to the permanent magnet 318, the permanent magnet 318 attracts the magnetic force fixing portion 328 to fix the suction grill 320. The magnetic force of the permanent magnet 318 is formed to be smaller than the self weight of the suction grille 320. When the suction grille 320 is not pulled by the elevator 500, the combination of the permanent magnet 318 and the magnetic force fixing portion 328 is released.

When viewed in a top view or a bottom view, the permanent magnets 318 are disposed on the virtual diagonal lines P1 and P2. The permanent magnet 318 is positioned inside the corner cover 316.

One of the four permanent magnets 318 is positioned between the first module body 410 of the first vane module 201 and the second module body 420 of the fourth vane module 204, . The remaining three permanent magnets are also disposed between the first module body 410 and the second module body 420 of each vane module.

The permanent magnet 318 and the magnetic force fixing portion 328 are located above each grill corner portion 327 and are hidden by the respective grill corner portions 327.

&Lt; Discharging step according to operation of vane motor &

In the present embodiment, when the indoor unit is not operated (when the indoor blower is not operated), each vane module 200 is configured such that the second vane 220 is positioned above the first vane 210 And the first vane 210 covers the discharge port 102. The lower surface of the first vane 210 forms a continuous surface with the lower surface of the suction grille 320 and the lower surface of the side cover 314. [

When the indoor unit is not operated, since the second vane 220 is located above the first vane 210, the second vane 220 is concealed from the outside. The second vane 220 is exposed to the user only when the indoor unit is operated. Therefore, the second vane 220 is positioned on the discharge passage 104 when the indoor unit is not operated, and the first vane 210 covers most of the discharge port 102.

In this embodiment, the first vane 210 covers most of the discharge port 102, but the first vane 210 may cover the entire discharge port 210 according to the design.

The vane motor 230 is operated and the first vane 210 and the second vane 220 are driven by the six discharge steps P1, P2, and P2, respectively, when the indoor air blower is operated with the second vane 220 housed therein. P3, P4, P5, P6).

When the indoor unit is stopped and the vane module 200 is not operated, it is defined as a stopping step P0.

In the stop step P0, the vane module 200 is in a non-operating state. When the indoor unit is not operated, the vane module 200 maintains the stop step P0.

In the stop step P0, the vane module 200 causes the vane motor 230 to rotate the drive link 240 in the first direction (clockwise in the drawing of the present embodiment).

At this time, the second drive link body 247 constituting the drive link 240 is supported at one end 271 of the stopper 270, and further rotation in the first direction is restricted.

The second drive link body 247 and the other side end 270b of the stopper 270 interfere with each other in the stop step P0 in order to prevent the drive link 240 from over rotating. The second drive link body 247 is supported by the stopper 270, and further rotation is restricted.

The driving link 240 is rotated in the first direction about the core link shaft 243 and the first vane link 250 is rotated in the first direction about the first vane link shaft 252 .

The first vane 210 is rotated in a state constrained to the drive link 240 and the first vane link 250 and is positioned in the discharge port 102. The lower surface of the first vane 210 forms a continuous surface with the suction panel 320 and the side cover 314.

In the stop step P0, the second vane 220 is positioned above the first vane 210. [ The second vane 220 is located between the first joints 214 and is located above the first vane body 212 when viewed in plan.

The drive link 240, the first vane link 250, and the second vane link 260 are positioned above the first vane 210 in the stop step P0. The drive link 240, the first vane link 250 and the second vane link 260 are obscured by the first vane 210 and are not visible from the outside. That is, in the stop step P0, the first vane 210 covers the discharge port 102 and blocks the components constituting the vane module 200 from being exposed to the outside.

In the stop step P0, the drive link 240 is rotated in the clockwise direction as much as possible, and the second vane link 260 is maximally raised.

When the indoor unit is not operated, since the second vane 220 is located above the first vane 210, the second vane 220 is concealed from the outside. The second vane 220 is exposed to the user only when the indoor unit is operated.

In the stop step P0, the positional relationship of the axes forming the rotation center of each link will be described as follows.

First, the first joint portion 216 and the second joint portion 217 of the first vane 210 are arranged substantially horizontally. The second joint rib 224 of the second vane 220 is positioned above the first joint rib 214.

The second joint rib 224 is located on the upper side of the second joint part 217 and the first joint part 216 and the first joint part 216 and the second joint part 217).

Since the second-first vane link shaft 261 is coupled to the second joint rib 224, the second-first vane link shaft 261 is also coupled to the second joint portion 217 and the first joint- (216).

The first joint portion 216 and the second joint portion 217 are located above the first vane body 212 and below the second vane body 222.

When the indoor unit is stopped, the second vane 220 is positioned on the upper side of the first vane 210, and the second vane 220 is positioned above the first driving link shaft 241 and the first vane link shaft 251 The second -1 vane link shaft 261 is positioned.

The second vane link shaft 261 is positioned higher than the second vane link shaft 261 and the second vane link shaft 262 is positioned higher than the second vane link shaft 261, Is positioned higher.

The second vane link shaft portion 262 is located above the second vane link shaft portion 261 and above the core link shaft 243.

Next, at the stop step P0, the relative positions and directions of the links will be described as follows.

Meanwhile, the first vane link 250 and the second vane link 260 are disposed in the same direction. The upper end of the first vane link 250 and the second vane link 260 are located on the front side in the air discharge direction and the lower end is located on the rear side in the air discharge direction.

The first vane link shaft 252 of the first vane link 250 is positioned on the front side and the first vane link shaft 251 of the first vane link 250 is located on the rear side do. The first vane link shaft 252 of the first vane link 250 is positioned above the first vane link shaft 251. The first vane link 250 is disposed obliquely rearward and downward with respect to the first vane link shaft 252.

Similarly, the second-second vane link shaft portion 262 of the second vane link 260 is positioned on the front side and the second-first vane link shaft portion 261 of the second vane link 260 is positioned on the rear side do. The second vane link shaft portion 262 of the second vane link 260 is positioned above the second vane link shaft 261. The second vane link 260 is disposed obliquely rearward and downward with respect to the second vane link shaft portion 262.

The first drive link body 246 of the drive link 240 is disposed in the same direction as the first vane link 250 and the second vane link 260 and the second drive link body 247 is disposed in the same direction as the first drive link body 246, 1 vane link 250 and the second vane link 260, respectively.

In the stop step P0, the drive link 240 is rotated in a second direction opposite to the first direction (counterclockwise in this embodiment) to provide the ejection step P1.

In the discharging step P1, the vane module 200 can provide horizontal wind.

The air blown from the discharge port 102 may be guided by the first vane 210 and the second vane 220 to flow horizontally to the ceiling or the ground.

When the discharged air flows in a horizontal wind, the flow distance of the air can be maximized.

The discharging step P1 provides a horizontal air flow, the discharged air flows along the ceiling of the room, flows downward toward the floor after hitting the wall of the room, and flows back to the indoor unit after hitting the floor .

That is, the discharging step P1 does not provide direct air to the occupant but provides an indirect air to the occupant.

In the ejection step P1 state, the upper surfaces of the first vane 210 and the second vane 220 may form a continuous surface. In the discharging step P1, the first vane 210 and the second vane 220 are connected to each other as a single vane to guide the discharged air.

When the vane module 200 provides the discharging step P1 which is one of the plurality of discharging steps, the first vane 210 is positioned below the discharging port 102 and the front side of the second vane 220 The end 222a is positioned above the rear side end 212a of the first vane 210. [

The upper surface of the second vane 220 is positioned higher than the upper surface of the first vane 210.

In the present embodiment, the first vane 210 is disposed on the front side in the flow direction of the discharge air, and the second vane 220 is disposed on the rear side in the flow direction of the discharge air. The front side end 222a of the second vane 220 may be in proximity to or in contact with the rear side end 212b of the first vane 210. [ The interval S1 between the front side end 222a of the second vane 220 and the rear side end 212b of the first vane 210 can be minimized in the ejection step P1 state.

The rear side end 222b of the second vane is located on the upper side of the discharge port 102 and the front side end 222a of the second vane is located on the lower side of the discharge port 102, The rear side end 212b of the second vane is positioned lower than the front side end 222a of the second vane.

The front side end 222a of the second vane 220 is positioned above the rear side end 212b of the first vane 210 in the discharging step P1 state.

It is possible to minimize the leakage of the discharged air between the first vane 210 and the second vane 220 by bringing the front side end 222a and the rear side end 212b close to or in contact with each other.

In the present embodiment, the front side end 222a and the rear side end 212b are in close contact but not in contact with each other.

When the vane module 200 forms a horizontal wind in the discharging step P1, since the first vane 210 and the second vane 220 are connected and operated as one vane, the airflow intensity of the horizontal wind is increased . That is, since the discharged air is guided in the horizontal direction along the upper surface of the second vane 220 and the upper surface of the first vane 210, the direction of the discharged air is further strengthened .

When forming the horizontal wind, the second vane 220 is arranged to be inclined more vertically than the first vane 210.

In the case of the horizontal wind, it is advantageous that the first vane 210 is positioned below the discharge port 102 and the second vane 220 is disposed to overlap with the discharge port 102 .

In the ejection step P1 state, the second vane 220 is rotated in place about the second vane axis 221, but the first vane 210 is rotated about the driving link 240 and the first vane link 250 (Swing) in the air discharge direction because it is assembled.

The second vane 220 is rotated around the second vane axis 221 and the first vane 210 is moved downward while advancing in the air discharge direction, The front side end 212a is rotated in the first direction (clockwise direction in the drawing).

The first vane 210 can be moved downward by the rotation of the driving link 240 and the first vane link 250 and the first vane 210 can be moved substantially horizontally . Since the vane of the indoor unit is rotated in place, the same arrangement as the first vane 210 of the present embodiment can not be realized.

When the vane motor 230 rotates the driving link 240 in the second direction (counterclockwise direction) in the stopping step P0, the second vane link 260 coupled to the driving link 240 also rotates (240).

Specifically, when the driving link 240 is changed from the stop step P0 to the discharging step P1, the driving link 240 is rotated counterclockwise, and the first vane link 210 rotates counterclockwise And the second vane link 220 is lowered while relatively rotating.

Since the second vane 220 is assembled to be relatively rotatable with the second vane axis 221 and the second vane link 260, (220) is rotated clockwise around the second vane axis (221).

When changing from the stop step P0 to the discharge step P1 in order to form the horizontal wind, the direction of rotation of the first vane 210 and the second vane 220 is reversed.

In the discharging step P1, the vane motor 230 is rotated by 78 degrees (P1 rotation angle), and the rotation of the vane motor 230 causes the first vane 210 to rotate at an inclination of about 16 degrees (first vane P1 inclination) And the second vane 220 forms a slope of about 56.3 degrees (second vane P1 slope).

In the discharging step P1, the positional relationship of the axes forming the rotation center of each link will be described as follows.

First, unlike the P0, the second joint part 217 and the first joint part 216 of the first vane 210 are arranged to be inclined toward the front of the air discharge direction. The third joint portion 226 of the second vane 220 is disposed at the most rear side and the first joint portion 216 is disposed at the frontmost side and the second joint portion 217 is disposed at the front side, Is disposed between the first joint part (216) and the third joint part (226).

The second vane link shaft 261 is positioned lower than the second vane shaft 221 and the first drive link shaft 241 is positioned lower than the second vane link shaft 261 And the first 1-1 vane link shaft 251 is positioned lower than the first driving link shaft 241.

In the P1 state, the third joint portion 226, the second joint portion 217, and the first joint portion 216 are arranged in a line, and the arrangement direction is directed to the front lower side in the air discharge direction. The second vane link shaft 261, the first drive link shaft 241 and the first vane link shaft 251 are arranged in a row .

According to an embodiment, the third joint portion 226, the second joint portion 217, and the first joint portion 216 may not be arranged in a line.

In addition, the second vane shaft 221 may be disposed in a line with the third joint portion 226, the second joint portion 217, and the first joint portion 216. In this case, the second vane shaft 221 is positioned on the rear side of the third joint portion 226.

In the P1 state, the first vane 210 and the second vane 220 provide a horizontal wind. The horizontal wind does not mean that the discharge direction of the air is precisely horizontal. The horizontal vane 210 is connected to the first vane 210 and the second vane 220 in the form of a single vane and connected to the first vane 210 and the second vane 220, It means the angle that makes the most flow away.

The interval S1 between the front side end 222a of the second vane 220 and the rear side end 212b of the first vane 210 can be minimized in the ejection step P1 state.

When the air is horizontally blown, the air guided by the second vane 220 is guided to the first vane 210. When the discharged air flows in the horizontal wind through the P1 state, the air flowing distance can be maximized.

The inclination of the second vane 220 closer to the suction port 101 is formed to be steeper than the inclination of the first vane 210 because the discharge passage 104 is formed in the vertical direction.

In the ejection step P1, the first-vane link shaft 251 of the first vane link 250 is positioned below the first-second vane link shaft 252.

In the ejection step P1 state, the second-1 vane link shaft 261 of the second vane link 260 is positioned below the second 2-vane link shaft portion 262.

The first drive link shaft 241 of the drive link 240 is positioned below the second drive link shaft 242 and the core link shaft 243 in the ejection step P1 state.

The third joint portion 226 is located at the uppermost position and the first joint portion 216 is positioned at the lowest position and the second joint portion 217 is positioned at the uppermost position, And is positioned therebetween.

The first joint portion 216 and the second joint portion 217 are positioned between the core link shaft 243 and the first-second vane link shaft 252 in the ejection step P1 state. The first driving link shaft 241 and the first-vane link shaft 251 are positioned between the core link shaft 243 and the first-second vane link shaft 252, do.

In the ejection step P1 state, the first driving link shaft 241 and the first-vane link shaft 251 are positioned below the suction panel 320. [ In the ejection step P1 state, the first driving link shaft 241 and the first-vane link shaft 251 are positioned below the ejection opening 102. The second -1 vane link shaft 261 is positioned over the discharge port 102 boundary.

With this arrangement, in the state of the discharging step P1, the first vane 210 is positioned below the discharge port 102. [ The front side end 222a of the second vane 220 is positioned below the discharge port 102 and the rear side end 222b is positioned above the discharge port 102 in the discharge step P1 state.

Next, in the ejection step P1 state, the relative positions and directions of the respective links will be described as follows.

The longitudinal direction of the first drive link body 246 is defined as D-D '. The longitudinal direction of the first vane link 250 is defined as L1-L1 '. The longitudinal direction of the second vane link 260 is defined as L2-L2 '.

In the ejection step P1 state, the first vane link 250, the second vane link 260, and the first drive link body 246 are arranged in the same direction. In the present embodiment, the first vane link 250, the second vane link 260, and the first drive link body 246 are all arranged in the vertical direction in the ejection step P1 state.

Specifically, the L1-L1 'of the first vane link 250 is arranged substantially vertically and the L2-L2' of the second vane link 260 is arranged almost vertically. D-D 'of the first drive link body 246 is disposed so as to face downward in the air discharge direction.

The first vane 210 is positioned below the discharge port 102 and the front side end 222a of the second vane 220 is positioned below the discharge port 102 in the discharge step P1 state. That is, when the air is horizontally blown, only a part of the second vane 220 is located outside the discharge port 102, and the entire first vane 210 is located outside the discharge port 102.

In the state of the discharging step P1, the front side end 212a of the first vane 210 is positioned forward of the front side edge 102a of the discharging opening 102 with respect to the discharging opening 102. [

&Lt; Discharging step P2 &

In the horizontal wind state of the discharging step P1, the driving link 240 can be rotated in the second direction opposite to the first direction (counterclockwise in this embodiment) to form the discharging step P2.

The rear side end 212b of the first vane is located higher than the front side end 222a of the second vane when the vane module provides any one of P2 to P5, 1 < / RTI >

When the vane module provides any one of the P2 to P5 ejecting steps, a clockwise (D-D ') line connecting the core link shaft 243 and the first drive link shaft 241 The angle formed by the core link shaft 243, the first drive link shaft 241, and the first vane link shaft 251 is formed at an acute angle.

In the ejection step P2 state, the vane module 200 can provide an inclined wind. The inclined wind is defined as a discharging step between the horizontal wind and the vertical wind. In this embodiment, the oblique wind means the steps P2, P3, P4 and P5.

The inclined wind discharges air to a lower side than the horizontal wind in the discharging step P1. The discharging step P2 is adjusted so as to be directed to the lower side of both the first vane 210 and the second vane 220 from P1.

The discharging step P2 provides a wind similar to the horizontal wind, the discharged air flows along the ceiling of the room, flows downward toward the floor after hitting the wall of the room, flows back to the indoor unit after colliding with the floor .

The discharging step P2 provides an indirect air to the occupant.

The interval S2 between the front side end 222a of the second vane 220 and the rear side end 212b of the first vane 210 in the discharging step P2 is equal to the interval S1 in the discharging step P1, .

That is, the distance between the front side end 222a of the second vane 220 and the rear side end 212b of the first vane 210 is further distanced from the discharging step P1 to P2. In the discharging step P2, the first vane 210 and the second vane 220 are arranged more perpendicularly than P1.

The front side end 222a of the second vane 220 is lowered and the rear side end 212b of the first vane 210 is raised when the state is changed from the ejection step P1 to the ejection step P2 state.

In the ejection step P2 state, the front side end 222a of the second vane 220 and the rear side end 212b of the first vane 210 are located at similar heights.

The second vane 220 rotates about the second vane axis 221 in place while the first vane 210 is rotated about the drive link 240 and the first vane link 221. However, 250 to swing.

Particularly, when proceeding from P1 to P2, the first vane 210 advances further in the air discharge direction, and the front side end 212a of the first vane is further rotated in the first direction (clockwise direction in the drawing).

Since the second vane 220 is assembled to be rotatable relative to the second vane axis 221 and the second vane link 260, the second vane link 220 is rotated by the rotation of the second vane link 220, And is further rotated in the clockwise direction about the center axis 221.

The front side end 222a of the second vane 220 is further rotated in the second direction (clockwise in the drawing).

When changing from the discharging step P1 to the discharging step P2, the rotational directions of the first vane 210 and the second vane 220 are reversed.

In the discharging step P2, the vane motor 230 is rotated by 82 degrees (P2 rotation angle), and the rotation of the vane motor 230 causes the first vane 210 to rotate at a slope of about 18.6 degrees (first vane P2 slope) And the second vane 220 forms a slope of approximately 59.1 degrees (second vane P2 slope).

In the discharging step P2, the positional relationship of the axes forming the rotational center of each link will be described as follows.

The second joint portion 217 and the first joint portion 216 of the first vane 210 are disposed obliquely toward the front of the air discharge direction in the discharge step P2 similarly to the above P1.

The third joint portion 226 of the second vane 220 is disposed at the most rear side and the first joint portion 216 is disposed at the frontmost side and the second joint portion 217 is disposed at the front side, Is disposed between the first joint part (216) and the third joint part (226).

The third joint portion 226, the second joint portion 217 and the first joint portion 216 are disposed so as to face toward the front lower side in the air discharge direction, as viewed from the side of the vane module 200, do.

On the basis of the ejecting step P2, the third joint portion 226 is further moved downward, and the first joint portion 216 and the second joint portion 217 are further moved forward. That is, the interval between the second vane 220 and the first vane 210 is further increased.

Is similar to the discharging step P1 in which the first vane link 250, the second vane link 260 and the driving link 240 are disposed in the discharging step P2 state.

In the ejection step P2 state, the first-vane link shaft 251 of the first vane link 250 is positioned below the first-second vane link shaft 252. In the ejection step P2 state, the second-1 vane link shaft 261 of the second vane link 260 is positioned below the second 2-vane link shaft portion 262. The first drive link shaft 241 of the drive link 240 is positioned below the second drive link shaft 242 and the core link shaft 243 in the ejection step P2 state.

The second vane axis 221 is positioned at the uppermost position and the third joint portion 226 is positioned at the lower side of the second vane axis 221 and the second joint portion 217 is positioned at the third position And the first joint portion 216 is located below the second joint portion 217. The first joint portion 216 is located below the joint portion 226,

In the ejection step P2 state, the second joint portion 217 is further rotated to the first-second vane link shaft 252 about the core link shaft 243.

The entire first vane 210 is positioned below the discharge port 102 in the discharge step P2 state with respect to the suction panel 320 or the discharge port 102. [ The front side end 222a of the second vane 220 is positioned below the discharge port 102 and the rear side end 222b is positioned above the discharge port 102 in the discharge step P2 state.

Thus, in the ejection step P2 state, the first driving link shaft 241 and the first-vane link shaft 251 are positioned below the suction panel 320. [ In the ejection step P2 state, the first driving link shaft 241 and the first-vane link shaft 251 are positioned below the ejection opening 102. [ The second -1 vane link shaft 261 is positioned over the discharge port 102 boundary.

Next, in the ejection step P2 state, the relative positions and directions of the respective links will be described as follows.

In the ejection step P2 state, the first vane link 250 and the second vane link 260 are arranged substantially in the same direction, and the first drive link body 246 is disposed inclined toward the front lower side. Particularly, in the ejection step P2 state, the first vane link 250 and the second vane link 260 are arranged substantially vertically.

Specifically, when the state of the ejecting step P2 is changed from the state of the ejecting step P1 to the state of the ejecting step P2, L1-L1 'of the first vane link 250 is slightly rotated toward the air discharge direction side. When the state of the ejecting step P1 is changed to the state of the ejecting step P2, the L2-L2 'of the second vane link 260 is further rotated toward the side opposite to the air discharge direction. When the state of the ejecting step P1 is changed to the state of the ejecting step P2, D-D 'of the first driving link body 246 is further rotated toward the air discharging direction side.

In the discharging step P2 state, the entire first vane 210 is positioned below the discharge port 102, and the second vane 220 is positioned below the discharge port 102 with only the front end 222a.

The front side end 212a of the first vane 210 is moved further forward than the front side edge 102a of the discharge port 102 with respect to the discharge port 102 when the discharge port 102 is changed from the discharge step P1 to the discharge step P2 do.

&Lt; Discharging step P3 &

In the ejection step P2 state, the ejection step P3 can be formed by rotating the drive link 240 in a second direction opposite to the first direction (counterclockwise in this embodiment).

In the discharging step P3, the vane module 200 can provide the inclined air discharged downward from the discharging step P2. The discharging steps P3 to P5 are inclined winds that provide air directly to the occupant.

During the cooling, the discharged air is heavier than the room air and flows downward, and the discharged air at the time of heating flows to the upper side because it is lighter than the room air. Thus, the discharging step P3 is mainly used for cooling, and the discharging step P4 described later is mainly used for heating.

The inclined wind of the discharging step P3 discharges air to a lower side than the inclined wind of the P2 step. The discharging step P3 is adjusted so as to be directed to the lower side of both the first vane 210 and the second vane 220 from P2.

The interval S3 between the front side end 222a of the second vane 220 and the rear side end 212b of the first vane 210 is equal to the interval S2 in the discharging step P2 state in the discharging step P3, More widely spaced.

That is, the distance between the front side end 222a of the second vane 220 and the rear side end 212b of the first vane 210 is further distanced from the ejecting step P2 to P3. In the discharging step P3, the first vane 210 and the second vane 220 are disposed more perpendicularly than P2.

The front side end 222a of the second vane 220 is further lowered and the rear side end 212b of the first vane 210 is further raised when the state is changed from the ejection step P2 to the ejection step P3 state .

The front side end 222a of the second vane 220 is positioned below the rear side end 212b of the first vane 210 in the ejection step P3 state.

The second vane 220 rotates about the second vane axis 221 in place while the first vane 210 is rotated about the driving link 240 and the first vane link 221. In this case, 250 to swing.

When the ejecting step P2 advances to P3, the first vane 210 is almost in a position and is rotated in the first direction (clockwise direction). When the discharge step P2 is advanced to P3, the second vane 220 is further rotated in the first direction (clockwise direction).

When advancing from the discharging step P2 to P3, the first vane 210 is rotated in the first direction (clockwise direction) in place instead of being advanced in the discharging direction.

The forward side end 222a of the second vane 220 is further rotated in the first direction (clockwise direction) by the descent of the second vane link 220 when proceeding from the discharge step P2 to P3.

When changing from the discharging step P2 to the discharging step P3, the rotational directions of the first vane 210 and the second vane 220 are the same.

In the discharging step P3, the vane motor 230 is rotated by 95 degrees (P3 rotation angle), and the rotation of the vane motor 230 causes the first vane 210 to rotate at a slope of about 29.6 degrees (first vane P3 slope) And the second vane 220 forms a slope of about 67.3 degrees (second vane P3 slope).

In the discharging step P3, the positional relationship of the axes forming the rotational center of each link will be described as follows.

The second joint portion 217 and the first joint portion 216 of the first vane 210 are arranged to be inclined toward the front of the air discharge direction in the discharge step P3 similarly to the above P2.

On the basis of the discharging step P3, the third joint portion 226 is further moved downward. The first joint portion 216 and the second joint portion 217 are raised upward by the rotation of the first vane link 250 and the first drive link body 246 in the second direction on the basis of the ejection step P3 .

Since the length of the first drive link body 246 is shorter than the length of the first vane link 250, the height of the upper side of the second joint portion 217 is larger.

In the state of the discharging step P3, the arrangement of the axes in the driving link 240, the first vane link 250, and the second vane link 260 is similar to the discharging step P2 state.

The first drive link shaft 241, the first vane link shaft 251, and the second drive link shaft 251 are rotated by the operation of the drive link 240, the first vane link 250, the second vane link 260, 2-1 The relative height of the vane link shaft 261 is different.

In the ejection step P3 state, the first drive link shaft 241 is raised and the second-1 vane link shaft 261 is lowered and formed at a similar height with respect to the up-and-down direction.

The second joint portion 217 is further rotated to the first-second vane link shaft 252 about the core link shaft 243 and the second joint portion 217 Is further away from the second-1 vane link shaft 261. [

In the ejection step P3 state, the second-2-vane link shaft portion 262 is positioned lower than the core link shaft 243.

When the state of the ejection step P2 is changed to the state of the ejection step P3, the second-first vane link shaft 261 is moved rearward than the second-second vane link shaft part 262. [

The positions of the first vane 210 and the second vane 220 in the state of the discharge step P3 are similar to the discharge step P2 with reference to the suction panel 320 or the discharge port 102. [

The first drive link shaft 241 and the first-vane link shaft 251 are positioned below the suction panel 320 and the discharge port 102 in the state of the discharge step P3. The second -1 vane link shaft 261 is positioned over the discharge port 102 boundary.

Next, in the state of the ejecting step P3, the relative positions and directions of the respective links will be described as follows.

In the ejection step P3 state, the first vane link 250 and the second vane link 260 are disposed in directions opposite to each other.

In the state of the ejection step P3, the first drive link body 246 and the first vane link 250 are disposed inclined toward the front lower side. In the state of the ejecting step P3, the second drive link body 247 is disposed to face rearward, and the second vane link 260 is disposed to face the rear lower side.

Specifically, when the state of the ejection step P2 is changed to the state of the ejection step P3, the L1-L1 'of the first vane link 250 is further rotated toward the air discharge direction side. When the state of the ejecting step P2 is changed to the state of the ejecting step P3, L2-L2 'of the second vane link 260 is further rotated toward the side opposite to the air discharge direction. When the state of the ejecting step P2 is changed to the state of the ejecting step P3, D-D 'of the first driving link body 246 is further rotated toward the air discharge direction side.

Both of the first vane 210 and the second vane 220 are rotated or rotated more vertically downward with respect to the discharge port 102 when the discharge step P2 is changed to the discharge step P3.

&Lt; Discharging step P4 &

In the state of the discharging step P3, the driving link 240 can be rotated in the second direction opposite to the first direction (counterclockwise in this embodiment) to form the discharging step P4.

In the discharging step P4, the vane module 200 can provide the inclined air discharged downwardly from the discharging step P3. The inclined wind of the discharging step P4 discharges air to a lower side than the inclined wind of the step P3.

The discharging step P4 is adjusted so as to be directed to the lower side of both the first vane 210 and the second vane 220 from the discharging step P3.

The interval S4 between the front side end 222a of the second vane 220 and the rear side end 212b of the first vane 210 in the discharging step P4 is equal to the interval S3 in the discharging step P3 state, More widely spaced.

The distance between the front side end 222a of the second vane 220 and the rear side end 212b of the first vane 210 is further distanced from the discharging step P3 to P4. In the discharging step P4, the first vane 210 and the second vane 220 are arranged more perpendicularly than P3.

The front side end 222a of the second vane 220 is further lowered and the rear side end 212b of the first vane 210 is further raised when changing from the discharging step P3 to the discharging step P4 state .

In the discharging step P4, the front side end 222a of the second vane 220 is positioned lower than the discharging step P3 and the rear side end 212b of the first vane 210 is positioned higher than the discharging step P3 .

When proceeding from the discharge step P3 to P4, the second vane 220 is rotated in place around the second vane axis 221. [ The first joint portion 216 of the first vane 210 stays in a substantially fixed position and the second joint portion 217 of the first vane 210 stays at the first joint portion 216 about the first joint portion 216, (Clockwise) direction.

That is, when advancing from the ejecting step P3 to P4, the movement of the first vane 210 is hardly generated, and the movement is rotated in place. When proceeding from the ejecting step P3 to P4, the first vane 210 is rotated in the first direction (clockwise direction) about the first joint portion 216.

When the discharge step P3 is advanced to P4, the second vane 220 is further rotated in the first direction (clockwise direction).

The front side end 222a of the second vane 220 is further rotated in the first direction (clockwise direction) by the descent of the second vane link 220 when proceeding from the discharging step P3 to P4.

The rotational direction of the first vane 210 and the second vane 220 is the same when changing from the discharging step P3 to the discharging step P4.

When changing from the ejecting step P3 to the ejecting step P4, the first-first-vane link shaft 251 can be positioned further forward than the first-second vane link shaft 252.

In the discharging step P4, the vane motor 230 is rotated by 100 degrees (P4 rotational angle), and the rotation of the vane motor 230 causes the first vane 210 to rotate at a slope of about 35.8 degrees (first vane P4 slope) And the second vane 220 forms a slope of about 70 degrees (second vane P4 slope).

In the discharging step P4, the positional relationship of the axes forming the rotational center of each link will be described as follows.

The second joint portion 217 and the first joint portion 216 of the first vane 210 are disposed to be inclined toward the front of the air discharge direction in the discharge step P4 similar to the above P3.

The third joint portion 226 of the second vane 220 is disposed at the most rear side and the first joint portion 216 is disposed at the frontmost side and the second joint portion 217 is disposed at the front side, Is disposed between the first joint portion (216) and the third joint portion (226).

On the basis of the discharging step P4, the third joint portion 226 is further moved downward. The first joint portion 216 of the first vane link 250 is slightly raised or nearly in the second direction (counterclockwise) and the second joint portion 217 is positioned in the second direction 1 joint part 216 in the first direction (clockwise direction).

When the first vane 210 is rotated in the discharging step P4 or more, the first vane 210 is moved in the opposite direction to the previous traveling direction. The first vane 210 is moved in the air discharge direction from the discharge step P1 to the discharge step P4 and is rotated in the first direction (clockwise direction) about the second joint part 217. [

In the state of the discharge step P4, the arrangement of the axes in the drive link 240, the first vane link 250, and the second vane link 260 is similar to the state of the discharge step P3. However, in the state of the ejection step P4, the longitudinal direction of the first drive link body 246 and the second joint portion 217 and the first joint portion 216 are arranged in a line.

The first driving link shaft 241 rotated by the operation of the driving link 240, the first vane link 250 and the second vane link 260, the first vane link shaft 251, The relative height of the one-vane link shaft 261 is changed.

The first drive link shaft 241 is lifted and the second -1 vane link shaft 261 is lowered so that the first drive link shaft 241 is moved to the second -1 vane link shaft 261 ). &Lt; / RTI >

The second joint portion 217 is further rotated by the first-second vane link shaft 252 about the core link shaft 243 and the core link shaft 243 is further rotated by the first- The first drive link shaft 241 and the first vane link shaft 251 are in the form of a straight line and can be arranged in a line.

In the ejection step P4 state, the second-2-vane link shaft portion 262 is positioned lower than the core link shaft 243.

When the state of the ejection step P3 is changed to the state of the ejection step P4, the second-first vane link shaft 261 is further moved rearward than the second-second vane link shaft portion 262. [

The positions of the first vane 210 and the second vane 220 in the state of the discharge step P4 are similar to the discharge step P3 with respect to the suction panel 320 or the discharge port 102. [

Next, in the state of the ejection step P4, the relative positions and directions of the respective links will be described as follows.

The first vane link 250 and the second vane link 260 are disposed to face each other when they are changed from the ejection step P3 to the ejection step P4 state. When the state of the ejection step P4 is changed from the ejection step P3 to the ejection step P4 state, the first vane link 250 is not rotated but only the second vane link 260 can be rotated backward.

In the present embodiment, there is no separate structure for restricting the movement of the first vane link 250. The movement of the first vane link 250 may be restricted through the coupling relationship of the first vane link 250, the first vane 210, and the first driving link body 246 in this embodiment.

In the state of the ejection step P4, the first drive link body 246 and the first vane link 250 are disposed inclined toward the front lower side. In the state of the ejection step P4, the second drive link body 247 is disposed to face rearward, and the second vane link 260 is disposed to face rearwardly downward.

In this embodiment, when the state of the ejection step P3 is changed to the state of the ejection step P4, L1-L1 'of the first vane link 250 can be further rotated toward the air discharge direction side. When the state of the discharge step P3 is changed to the state of the discharge step P4, the L2-L2 'of the second vane link 260 is further rotated toward the side opposite to the air discharge direction. When the state of the discharge step P3 is changed to the state of the discharge step P4, D-D 'of the first drive link body 246 is further rotated toward the air discharge direction side. A virtual straight line connecting the first joint part 216 and the second joint part 217 is defined as B-B '.

In the discharging step P4, D-D 'and B-B' are connected by a straight line to form an angle of 180 degrees.

DD 'and B-B' from the discharging step P1 to the discharging step P3 form an angle of 180 degrees or less, forming an angle of 180 degrees in the discharging step P4, and an angle of 180 degrees or more in the discharging steps P5 and P6 .

&Lt; Discharging step P5 &

In the ejection step P4 state, the ejection step P5 can be formed by rotating the drive link 240 in a second direction opposite to the first direction (counterclockwise in this embodiment).

In the discharging step P5, the vane module 200 can provide the inclined air discharged downward from the discharging step P4. The inclined wind of the discharging step P5 discharges the air to a lower side than the inclined wind of the discharging step P4.

The discharging step P5 is adjusted such that both the first vane 210 and the second vane 220 are directed slightly lower than the discharging step P4.

The interval S5 between the front side end 222a of the second vane 220 and the rear side end 212b of the first vane 210 in the discharging step P5 is equal to the interval S4 in the discharging step P4 state, More widely spaced.

The distance between the front side end 222a of the second vane 220 and the rear side end 212b of the first vane 210 is further distanced from the discharging step P4 to P5. In the discharging step P5, the first vane 210 and the second vane 220 are arranged more vertically than P4.

The front side end 222a of the second vane 220 is further lowered and the rear side end 212b of the first vane 210 is further raised when the state is changed from the ejection step P4 to the ejection step P5 state .

In the discharging step P5, the front side end 222a of the second vane 220 is positioned lower than the discharging step P4 and the rear side end 212b of the first vane 210 is positioned higher than the discharging step P4 .

When proceeding from the discharge step P4 to P5, the second vane 220 is rotated in place around the second vane axis 221. [ The first joint portion 216 of the first vane 210 remains substantially in place and the second joint portion 217 is positioned at the first joint portion 216 about the first joint portion 216, Direction (clockwise).

That is, when the flow advances from the discharge step P4 to P5, the movement of the first vane 210 hardly occurs, and the first vane 210 is rotated around the first joint portion 216 in place.

The first vane 210 is slightly rotated in the first direction (clockwise direction) about the first joint portion 216 when proceeding from the discharge step P4 to P5. When advancing from the discharging step P4 to P5, the second vane 220 is slightly rotated in the first direction (clockwise direction).

The forward side end 222a of the second vane 220 is slightly rotated in the first direction (clockwise direction) by the descent of the second vane link 220 when proceeding from the discharge step P4 to P5.

When changing from the discharging step P4 to the discharging step P5, the rotational directions of the first vane 210 and the second vane 220 are the same.

The first-first-vane link shaft 251 can be positioned further forward than the first-second vane link shaft 252 when changing from the ejection step P4 to the ejection step P5.

In the discharging step P5, the vane motor 230 is rotated by 105 degrees (P5 rotation angle), and the rotation of the vane motor 230 causes the first vane 210 to rotate at a slope of about 44.1 degrees (first vane P5 inclination) And the second vane 220 forms a slope of about 72.3 degrees (second vane P5 slope).

In the discharging step P5, the positional relationship of the axes forming the rotation center of each link will be described as follows.

The second joint portion 217 and the first joint portion 216 of the first vane 210 are disposed obliquely toward the front of the air discharge direction in the discharge step P5 similar to the discharge step P4.

The third joint portion 226 is moved further downward and the second joint portion 217 of the first vane link 250 is moved from the first joint portion 216 to the first joint portion 216 (Clockwise) direction.

In the discharging step P5, the second joint portion 217 protrudes toward the first-second vane link shaft 252 with reference to a virtual straight line connecting the core link shaft 243 and the first joint portion 216 .

In the state of the discharging step P5, the arrangement of the axes in the driving link 240, the first vane link 250, and the second vane link 260 is similar to the state of the discharging step P4.

When the state of the ejection step P4 is changed to the state of the ejection step P5, the first drive link shaft 241 is lifted and the second -1 vane link shaft 261 is lowered. Thus, in the ejecting step P5, the first driving link shaft 241 is positioned slightly higher than the second-1 vane link shaft 261. [

The second joint portion 217 is rotated about the core link shaft 243 and the second joint portion 217 is rotated about the first link link shaft 217 when the second joint portion 217 is changed from the discharge step P4 to the discharge step P5 state. 252).

In the discharging step P4, the core link shaft 243, the first driving link shaft 241 and the 1-1 vane link shaft 251 are arranged in a line, and in the discharging step P5, the core link shaft 243, 1 drive link shaft 241 and the 1-1 vane link shaft 251 form an obtuse angle (based on D-D ') of 180 degrees or more.

In the state of the ejection step P5, the second-2-vane link shaft portion 262 is positioned lower than the core link shaft 243. The angle formed by the core link shaft 243, the second-second vane link shaft portion 262, and the third joint portion 226 increases gradually as the process proceeds from the ejecting step P1 to the ejecting step P6.

However, when proceeding from the discharging step P1 to the discharging step P6, the angle formed by the core link shaft 243, the second-second vane link shaft portion 262 and the third joint portion 226 is formed within 180 degrees.

The second-first vane link shaft 261 is further moved toward the rear side than the second-second vane link shaft portion 262, and the third joint portion 226 is moved further toward the rear side than the second- And the core link shaft 243.

The positions of the first vane 210 and the second vane 220 in the state of the discharge step P5 are similar to the discharge step P4 with reference to the suction panel 320 or the discharge port 102. [

Next, in the state of the ejection step P5, the relative positions and directions of the respective links will be described as follows.

When the state is changed from the discharge step P4 to the discharge step P5, the first vane link 250 and the second vane link 260 are disposed to face each other. When changing from the discharge step P4 to the discharge step P5 state, the first vane link 250 is not rotated substantially but only the second vane link 260 can be further rotated toward the rear side.

In the state of the discharge step P5, the arrangement of the first drive link body 246, the first vane link 250, and the second vane link 260 is similar to the state of the discharge step P4.

In this embodiment, when the state of the ejection step P4 is changed to the state of the ejection step P5, L1-L1 'of the first vane link 250 can be rotated to the side opposite to the air discharge direction. When the state of the discharge step P4 is changed to the state of the discharge step P5, the L2-L2 'of the second vane link 260 is further rotated toward the side opposite to the air discharge direction. When the state of the discharge step P4 is changed to the state of the discharge step P5, D-D 'of the first drive link body 246 is rotated toward the air discharge direction side.

In the ejecting step P5, the angle between D-D 'and B-B' forms an obtuse angle.

The front side end 212a of the first vane is moved to the air discharge direction (front side) when proceeding from the discharge step P1 state to the discharge step P4. However, when proceeding from the discharge step P4 state to the discharge step P6, The front side end 212a is moved to the side opposite to the air discharge direction (rear side).

Thus, when proceeding from the discharge step P4 state to the discharge step P6, the first vane 210 can be arranged more vertically.

&Lt; Discharging step P6 &

The state of the module vane 200 in the discharging step P6 is defined as vertical wind in this embodiment.

The vertical wind does not mean that the first vane 210 and the second vane 220 constituting the module vane 200 are arranged vertically. Means that the air discharged from the discharge port 102 is discharged to the lower side of the discharge port 102.

In the ejection step P5, the ejection step P6 can be formed by rotating the drive link 240 in a second direction opposite to the first direction (counterclockwise in this embodiment). In the discharge step P6, the flow of the discharge air in the horizontal direction is minimized, and the flow in the vertical direction is maximized. The vertical wind in the discharging step P6 discharges air to the lower side than the inclined wind in the discharging step P5.

The discharging step P6 is adjusted so that both the first vane 210 and the second vane 220 are directed slightly lower than the discharging step P5.

The rear side end 222b of the second vane is positioned above the discharge port and the front side end 222a of the second vane is positioned below the discharge port when the discharge step P6 is provided, The rear side end 212b of the one vane is located higher than the front side end 222a of the second vane and higher than the discharge opening. In addition, the front side end 212a of the first vane is positioned lower than the front side end 222a of the second vane.

When providing the discharging step P6, the rear side end 212b of the first vane is arranged to face the discharge port 102. [

The interval S6 between the front side end 222a of the second vane 220 and the rear side end 212b of the first vane 210 in the discharging step P6 is equal to the interval S5 in the discharging step P5 state, More widely spaced.

The distance between the front side end 222a of the second vane 220 and the rear side end 212b of the first vane 210 is further distanced from the discharging step P5 to P6. In the discharging step P6, the first vane 210 and the second vane 220 are arranged more perpendicularly than P5.

The front side end 222a of the second vane 220 is further lowered and the rear side end 212b of the first vane 210 is further raised when changing from the discharging step P5 to the discharging step P6 state .

In the discharging step P6, the front side end 222a of the second vane 220 is positioned lower than the discharging step P5 and the rear side end 212b of the first vane 210 is positioned higher than the discharging step P5 .

When proceeding from the discharging step P5 to P6, the second vane 220 is rotated in place around the second vane axis 221. The first joint portion 216 of the first vane 210 remains substantially in place and the second joint portion 217 is positioned at the first joint portion 216 about the first joint portion 216, Direction (clockwise).

That is, when proceeding from the discharging step P5 to P6, the first vane 210 can be moved to the rear side. Since the first vane 210 is rotated a little more in the first direction (clockwise direction) about the first joint portion 216 when the discharge step P5 is advanced to P6, The front end portion 212a is moved to the rear side.

When advancing from the discharging step P5 to P6, the second vane 220 is slightly rotated in the first direction (clockwise direction). The front side end 222a of the second vane 220 is slightly rotated in the first direction (clockwise direction) by the descent of the second vane link 220 when the process proceeds from the discharging step P5 to P6.

When changing from the discharging step P5 to the discharging step P6, the rotational directions of the first vane 210 and the second vane 220 are the same.

In the discharging step P6, the vane motor 230 is rotated by 110 degrees (P6 rotation angle), and the rotation of the vane motor 230 causes the first vane 210 to rotate at a gradient of about 56.7 degrees (first vane P6 inclination) And the second vane 220 forms a slope of about 74 degrees (second vane P6 slope).

In the discharging step P6, the positional relationship of the axes forming the rotation center of each link will be described as follows.

The second joint portion 217 and the first joint portion 216 of the first vane 210 are arranged to be inclined toward the front of the air discharge direction in the discharge step P6 similarly to the discharge step P5.

The third joint portion 226 is further moved downward and the second joint portion 217 of the first vane link 250 is moved toward the first joint portion 216 around the first joint portion 216, (Clockwise) direction.

In the discharging step P6, the second joint portion 217 is moved toward the first vane link shaft 252 side by a little more than a virtual straight line connecting the core link shaft 243 and the first joint portion 216 Respectively.

In the state of the discharge step P6, the arrangement of the axes in the drive link 240, the first vane link 250, and the second vane link 260 is similar to the state of the discharge step P5.

The rear side end 212b of the first vane is located below the core link shaft 243 and is located forward of the core link shaft 243. [ In providing the discharging step P6, the front side end 212a of the first vane is located on the rear side of the front side edge 102a of the discharge port.

When the state of the ejection step P5 is changed to the state of the ejection step P6, the first drive link shaft 241 is lifted and the second -1 vane link shaft 261 is lowered. Thus, in the ejecting step P6, the first driving link shaft 241 is positioned higher than the second-1 vane link shaft 261. [

The second-2-vane link shaft portion 262 is positioned lower than the core link shaft 243 and the second-2-vane link shaft portion 262 is positioned lower than the second- And the second-first vane link shaft 261 is positioned lower than the first drive link shaft 241 and the second-first vane link shaft 261 is positioned lower than the second- The first 1-1 vane link shaft 251 is positioned lower.

The second joint portion 217 is rotated about the core link shaft 243 and the second joint portion 217 is rotated about the first link link shaft 217 when the injection step P5 is changed to the discharge step P6 state. 252).

At least a part of the second joint portion 217 may overlap with the first vane link body 255 in the ejecting step P6 as viewed from the side. Since the second joint portion 217 is moved to a position where it overlaps with the first vane link body 255, the first vane 210 can be disposed more vertically.

However, in the ejecting step P6, the second joint portion 217 does not move forward beyond L1-L1 '. The second joint portion 217 does not move forward than the first vane link body 255. [ When the second joint portion 217 is excessively moved forward, the vane motor may not return to the original position even if the vane motor is rotated in the first direction (clockwise direction).

The first drive link body 246 and the one end 270a of the stopper 270 interfere with each other in the ejection step P6 in order to prevent the drive link 240 from over rotating. The first drive link body 246 is supported on the stopper 270, and further rotation is restricted.

In the discharging step P6, the core link shaft 243, the first driving link shaft 241 and the first-vane link shaft 251 form an obtuse angle (clockwise with respect to D-D ') of 180 degrees or more .

When changing from the ejecting step P5 to the ejecting step P6, the first-first-vane link shaft 251 may be positioned forward of the first-second vane link shaft 252.

The second-second vane link shaft portion 262 is positioned below the core link shaft 243 and the second joint portion 217 is positioned below the second-second vane link shaft portion 262 in the ejection step P6 state The third joint portion 226 is positioned below the second joint portion 217 and the first joint portion 216 is located below the third joint portion 226. [

The second-first vane link shaft 261 is further moved rearward than the second-2-vane link shaft portion 262, and the third joint portion 226 is moved further toward the rear side than the second- And the core link shaft 243.

Next, in the state of the ejection step P6, the relative positions and directions of the respective links will be described as follows.

When changing from the ejection step P5 to the ejection step P6, the first vane link 250 and the second vane link 260 are disposed to face each other. When changing from the ejection step P5 to the ejection step P6 state, the first vane link 250 is not rotated substantially but only the second vane link 260 can be further rotated to the rear side.

In the state of the discharge step P6, the arrangement of the first drive link body 246, the first vane link 250, and the second vane link 260 is similar to the state of the discharge step P5.

The second vane link shaft 261 is positioned further forward than the second vane axis 221 and the second vane link shaft 261 is positioned further forward than the second vane link shaft 261, 2 vane link shaft portion 262 is positioned further forward and the core link shaft 243 is positioned further forward than the second 2-vane link shaft portion 262, The first driving link shaft 241 is positioned further forward and the first 1-1 vane link shaft 251 is positioned further forward than the first driving link shaft 241.

In this embodiment, when the state of the discharge step P5 is changed to the state of the discharge step P6, L1-L1 'of the first vane link 250 can be further rotated toward the side opposite to the air discharge direction. When the state of the discharge step P5 is changed to the state of the discharge step P6, the L2-L2 'of the second vane link 260 is further rotated toward the side opposite to the air discharge direction. When the state of the ejecting step P5 is changed to the state of the ejecting step P6, D-D 'of the first driving link body 246 can be further rotated toward the side opposite to the air discharge direction.

In the discharging step P6, the angle between D-D 'and B-B' is the obtuse angle in the discharging step P5, and the angle between D-D 'and B-B' is larger than the obtuse angle.

When advancing from the discharge step P1 state to the discharge step P4, the front side end 212a of the first vane is moved to the air discharge direction (front side).

The first vane link 250 is rotated in the second direction (counterclockwise direction) when proceeding from the discharge step P1 state to the discharge step P4. However, when proceeding from the discharge step P4 state to the discharge step P6, Is rotated in the first direction (clockwise direction).

Thus, when proceeding from the discharge step P1 state to the discharge step P4, the front side end 212a of the first vane is rotated and raised in the second direction. However, when proceeding to the discharge step P6 in the state of the discharge step P4, the front side end 212a of the first vane is rotated in the first direction and is lowered. That is, the movement of the first vane 210 is changed on the basis of the ejection step P4.

The first vane 210 can be arranged more vertically when proceeding from the discharging step P4 to the discharging step P6. The rear side end 212b of the first vane 210 is positioned forward of the core link shaft 243 in the discharge step P6 state.

When the vane module 200 forms a vertical wind in the discharge step P6, the first vane 210 and the second vane 220 are spaced apart from each other to a maximum extent.

At least one of the second joint portion 217 or the first drive link shaft 241 overlaps with the first vane link 250 when viewed from the side of the vane module 200 at the discharge step P6.

At least one of the second joint part 217 or the first drive link shaft 241 is positioned at a position L1-L1 of the first vane link 250, 'Or on the back.

The rear side end 212b of the first vane 210 is located inside the discharge port 102 and is positioned higher than the outer side of the side cover 314 in the discharge step P6, do. Since the rear side end 212b of the first vane 210 is located inside the discharge opening 102, the air in the discharge opening 102 can be guided in a more vertical direction.

Referring to FIGS. 1 to 4, 15, and 23, the rapid-on indirect air-conditioning mode in cooling of the ceiling-mounted indoor unit according to the present embodiment will be described.

The indoor unit according to the present embodiment includes a first vane module 201 disposed at an edge of the suction port 101 with respect to the suction port 101 and a second vane module 201 disposed at an edge of the suction port 101, A third vane module 203 disposed on the opposite side of the first vane module 201 with respect to the first vane module 201 on the basis of the suction port 101, A third vane module 202 arranged to form an angle between the third vane module 203 and the third vane module 203 at an angle of 90 degrees with respect to the first vane module 203, And a fourth vane module 204 disposed on the opposite side of the vane module 202.

The indoor unit includes a first vane module 201 disposed at the edge of the suction port 101 when viewed in the bottom view and disposed at a 12 o'clock position with respect to the suction port 101, A second vane module 202 disposed at the 3 o'clock position with respect to the suction port 101 and disposed at an edge of the suction port 101 and disposed at 6 o'clock position with respect to the suction port 101 And a fourth vane module 204 disposed at an edge of the suction port 101 and disposed at 9 o'clock relative to the suction port 101. The third vane module 203 includes a second vane module 203,

The discharge port in which the first vane module 201 is disposed is defined as the first discharge port 102-1 and the discharge port in which the second vane module 202 is disposed is defined as the second discharge port 102-2, The discharge port in which the third vane module 203 is disposed is defined as the third discharge port 102-3 and the discharge port in which the fourth vane module 204 is disposed is defined as the fourth discharge port 102-4 do.

In the bottom view, the first vane module 201 is disposed at 12 o'clock and discharges air at 12 o'clock, the second vane module 202 is disposed at 3 o'clock, The third vane module 203 is disposed at 6 o'clock, and air is discharged at 6 o'clock, the fourth vane module 204 is disposed at 9 o'clock, and air is discharged at 9 o'clock .

In the bottom view, the air discharge directions of the first vane module 201 and the third vane module 203 are opposite to each other. The air discharge directions of the second vane module 202 and the fourth vane module 204 are opposite to each other.

When viewed in the bottom view, the air discharge direction of the first vane module 201 is orthogonal to the air discharge direction of the second vane module 202 and the fourth vane module 204. The air discharge direction of the third vane module 203 is orthogonal to the air discharge direction of the second vane module 202 and the fourth vane module 204.

The air discharge direction of the first vane module 201 is defined as a first discharge direction 291 and the air discharge direction of the second vane module 202 is defined as a second discharge direction 292, The air discharge direction of the fourth vane module 203 is defined as the third discharge direction 293 and the air discharge direction of the fourth vane module 204 is defined as the fourth discharge direction 294. [

The rapid indirect wind mode quickly dissolves the indoor load when the indoor load is large, and provides the indirect air when the indoor load is small.

Conventionally, when operating in the power mode, the target temperature is set to the lowest temperature (generally 18 degrees), and the indoor air blowing fan is operated to the maximum to supply the discharged air to the room at the maximum wind speed. Conventionally, since the direct air is supplied even when the indoor load is eliminated, it is possible to cause discomfort to the occupant.

In the rapid indirect wind mode in the present embodiment, when the indoor load is large, the target temperature is set to the minimum temperature (generally 18 degrees), the indoor ventilation fan is operated to the maximum, Thereby allowing the room temperature to be lowered more quickly.

In the instant embodiment, when the room load is small, the rapid indirect wind mode switches to an indirect wind in which the occupant does not directly meet the wind.

The control method of the ceiling-type indoor unit according to the present embodiment controls the pair of vane modules to discharge air in a direction different from each other.

Particularly, a pair of the first vane module 201 and the third vane module 203 arranged opposite to each other and the other pair of the second vane module 202 and the fourth vane module 204 are arranged in different directions Air is discharged.

The first vane module 201, the second vane module 202, the third vane module 203 and the fourth vane module 204 are arranged at intervals of 90 degrees with respect to the suction port 101 .

When viewed from the bottom view, the discharge direction of the first vane module 201 and the discharge direction of the second vane module 202 form an angle of 90 degrees around the suction port 101, and the second vane module 202, And the discharge direction of the third vane module 203 and the discharge direction of the third vane module 203 form an angle of 90 degrees with respect to the discharge direction of the third vane module 203 and the discharge direction of the third vane module 203, And the discharge direction of the fourth vane module 204 and the discharge direction of the first vane module 201 form an angle of 90 degrees.

As viewed in the bottom view, the first vane module 201 and the third vane module 203 are positioned opposite to each other with respect to the inlet port 101. With respect to the bottom portion, the second vane module 202 and the third vane module 204 are located opposite to each other with respect to the suction port 101. [

In the present embodiment, the first vane module 201 and the third vane module 203 disposed opposite to each other with respect to the suction port 101 are defined as a first discharge pair, and the second vane module 202 and the third vane module 203 4 vane module 204 is defined as a second discharge pair.

Hereinafter, the rapid indirect wind mode will be described taking cooling operation as an example.

The control method of the ceiling-type indoor unit according to the present embodiment includes a step S12 in which the rapid indirect wind mode is turned on, a load determination step S15 in which the indoor load and the cooling load are compared after the step S12, A first dynamic cooling step (S40) of operating the first discharge pair to the discharging step P2 and operating the second discharging pair in the power cooling / discharging step when the load determining step (S15) is satisfied; And a step (S50) of determining whether the dynamic cooling step (S40) exceeds the first dynamic time (5 minutes in the present embodiment).

The control method of the ceiling-type indoor unit according to the present embodiment may further include a first auto swing step (S60) for simultaneously operating the first discharge pair and the second discharge pair when the step S50 is satisfied, The step S60 further includes a step (S70) of judging whether or not the step S60 exceeds the first auto time (five minutes in this embodiment).

If the step S70 is satisfied, the control method of the ceiling-type indoor unit according to the present embodiment operates the first discharge pair in the power cooling / discharging step and the second discharging pair in the discharging step P2 And a step (S90) of determining whether the second dynamic cooling step (S80) exceeds a second dynamic time (five minutes in the present embodiment).

The control method of the ceiling-type indoor unit according to the present embodiment may further include a second auto swing step (S100) for simultaneously operating the first discharge pair and the second discharge pair when the step S90 is satisfied, A step (S110) of judging whether the swing step (S100) exceeds a second auto time (5 minutes in the present embodiment); and a step (S110) of judging whether the rapid indirect wind mode is off (S120); and when the step S120 is satisfied, terminating the rapid indirect wind mode.

The user can select the rapid indirect wind mode through a wireless remote controller (not shown) or a wired remote controller (not shown). (S12) In the present embodiment, the rapid indirect wind mode is selected by the user, The rapid indirect wind mode can be automatically executed under certain conditions. For example, when the indoor unit is switched from the OFF state to the ON state, the rapid indirect wind mode can be automatically executed.

In the load determination step S15, the controller determines the indoor load and the cooling load. In the present embodiment, the indoor load is calculated by the temperature difference between the target temperature and the room temperature, and the cooling setting load is 3 degrees.

That is, when the temperature difference between the target temperature set by the user and the room temperature is 3 degrees or more, it is determined that the load determination step S15 is satisfied.

If the temperature difference is less than 3 degrees, it is determined that the load determination step S15 is not satisfied. In this embodiment, the temperature difference is set to 3 degrees, but the temperature difference may be 2 degrees, and may be variously changed depending on the situation.

If the load determination step S15 is satisfied, the process proceeds to step S40. If the load determination step S15 is not satisfied, the process proceeds to step S200.

Step S200 is an indirect wind-providing step. If the load determination step S15 is not satisfied, it is determined that the room load is not large. If the room load is not large, it is desirable to provide indirect air to the occupant rather than providing direct air.

If the cold wind is supplied directly to the occupant, the occupant can feel the cold. The step S200 is for providing an indirect air to the occupant, and in this embodiment, the discharging step P2 is set.

That is, if the load determination step S15 is not satisfied, all of the first vane module, the second vane module, the third vane module, and the fourth vane module are set to the ejection step P2. (S200) In this embodiment, The discharge step P2 is set to provide the indirect wind, but the discharge step P1 may be set differently from the present embodiment.

Both the ejecting steps P1 and P2 provide a wind that is close to the horizontal wind. The discharged air flows along the ceiling of the room, hits the wall of the room, flows downward toward the floor, bumps against the floor, and then returns to the indoor unit.

After the indirect air providing step S200, a step S210 of judging the indirect air running time is further arranged. If the step S210 is satisfied, the process proceeds to step S120. If the step S210 is not satisfied, the process returns to step S200.

The air volume of the indirect air providing step S200 is different from the air volume of the steps S40 to S110.

Since the steps S40 to S110 are executed when the indoor load is large, the indoor fan is operated with a strong wind or a maximum wind volume.

However, since the indirect air providing step S200 is operated when the room load is small, it is not necessary to operate the air supplying unit in the same air volume as the steps S40 to S110. The indirect air providing step (S200) may be operated by the air volume set by the user previously. The default air volume in the indirect air supply step S200 may be set to one of the strong, middle, and weak.

On the other hand, in the present embodiment, the first discharge pair and the second discharge pair proceed in the order of "different operation -> same operation -> different operation -> same operation".

In the present embodiment, the first discharge pair proceeds to "the discharging step P2 (S40) -> the first auto swing (S60) -> the power cooling / discharging step P4.5 (S80) -> the second auto swing S100" .

In the present embodiment, the second discharge pair proceeds to "power cooling / discharging step P4.5 (S40) -> first auto swing (S60) -> discharging step P2 (S80) -> second auto swing S100" .

The first vane module, the second vane module, the third vane module and the fourth vane module may be set to any one of the ejecting steps P1 to P6.

The first vane slope of the ejecting step P2 < the first vane slope of the ejecting step P3 < the first vane slope of the ejecting step P3 < The slope <the first vane slope of the discharging step P5 <the first vane slope of the discharging step P6 <90 deg.

The inclination of each second vane with respect to the horizontal is "0 <second vane inclination of ejecting step P1 <second vane inclination of ejecting step P2 <second vane inclination of ejecting step P3 <second vane inclination of ejecting step P4 &Lt; the second vane inclination of the discharging step P5 < the second vane inclination of the discharging step P6 < 90 deg.

And the inclination of the second vane in each of the ejection steps is set to be always larger than the inclination of the first vane.

The user can select the rapid indirect wind mode through a wireless remote controller (not shown) or a wired remote controller (not shown). (S10) In the present embodiment, the rapid indirect wind mode is selected by the user, The rapid indirect wind mode can be automatically executed under certain conditions. For example, when the indoor unit is switched from the OFF state to the ON state, the rapid indirect wind mode can be automatically executed.

In the present embodiment, in the case of the wireless remote controller, when the user selects the power mode, the rapid indirect wind mode can be set. In the case of the wired remote controller, when the power cooling is selected, the rapid indirect wind mode can be set.

Step S40 is a first dynamic cooling step.

The first dynamic cooling step (S40) operates the first discharge pair and the second discharge pair in different ways. In the first dynamic cooling step (S40) in this embodiment, the first discharge pair is set to the discharge step P2, and the second discharge pair is set to the power cooling and discharging step.

In the first dynamic cooling step (S40), the first discharge pair is changed to the discharge step P2, and then the state is maintained. In the first dynamic cooling step (S40), the second discharge pair is changed to the power cooling / discharging step, and then the state is maintained.

The ejecting step P2 can send the ejected air to the farthest away from the horizontal wind (ejecting step P1). The ejecting step P2 can provide the user with indirect air.

While the second delivery pair provides direct air to provide air that is directly cooled to the user. The power cooling / discharging step may be any one of the discharging step P3 to the discharging step P6 arranged vertically than the discharging step P2.

The power cooling / discharging step is preferably between the discharging steps P4 to P6. In order to cool the indoor air quickly, it is preferable that the discharge air is provided in an inclined wind rather than being discharged in a horizontal wind or a vertical wind. Particularly, since the first discharge pair provides the indirect air close to the horizontal wind, it provides the discharge air at a long distance, and the second discharge pair provides the discharge air at a place closer thereto.

In the power cooling / discharging step, the inclination of the first vane may be between 35 degrees and 57 degrees.

In this embodiment, instead of selecting the power cooling / discharging step as one of the discharging steps P1 to P6, a separate discharging step is arranged in the middle of the discharging steps P4 to P6. Thus, the discharge step P4.5 is arranged between the discharge steps P4 to P5, and this is defined as the power cooling / discharging step.

Unlike the present embodiment, the above-described discharge step P4 or P5 can be selected in the power cooling / discharging step. The reason why the discharging step P4 or P5 is selected is that it is a discharging step having a large difference in air discharging direction from P2 in the discharging step, not the horizontal wind and the vertical wind.

In the power cooling / discharging step P4.5, the vane motor 230 is rotated by 102 degrees (P4.5 rotation angle). By the rotation of the vane motor 230, the first vane 210 and the second vane 220 form a slope in the middle of the discharge steps P4 to P5. Thus, the first vane 210 forms a slope between 35 degrees and 44 degrees, and the second vane 220 forms a slope between approximately 70 degrees and 72 degrees.

In the first dynamic cooling step S40, the vane motor 230 of the first discharge pair is rotated by 78 degrees (P2 rotation angle), and the vane motor of the second discharge pair is rotated by 102 degrees (P4.5 rotation angle).

In step S40, the first discharge pair provides an inclined wind close to the horizontal wind, thereby providing the discharge air at a long distance. The second discharge pair, which is arranged orthogonally to the discharge direction of the first discharge pair, provides an inclined wind, thereby providing the discharge air at a close distance.

For example, in the first dynamic cooling step (S40), when the first discharge pair supplies air to the farther side from the indoor unit through the discharge step P2, the cooled air is discharged at a gentle angle, As shown in FIG. When the air discharged from the first discharge pair is gradually lowered and reaches the remote place from the indoor unit, the room air is pushed by the cooled discharge air and flows to the periphery.

In the first dynamic cooling step (S40), when the first discharge pair supplies the discharged air to the discharge step P2 indirectly, the second discharge pair is cooled through the power cooling / discharging step P4.5 to the far side of the indoor unit . At this time, since the air discharged from the second discharge pair is directed to the ground surface rather than the first discharge pair, the air flows to the far side along the bottom after reaching the floor at the near side of the indoor unit. When the air discharged from the second discharge pair is gradually lowered and reaches a position far from the indoor unit, the room air is pushed by the cooled discharge air and flows around.

In this manner, when the first discharge pair provides the discharge air at a long distance and the second discharge pair arranged at an orthogonal position provides the discharge air in the vicinity, the circulation of the indoor air can be promoted. That is, when the discharge air is discharged in different directions, when the distance difference and the height difference are formed, the cooled air and the room air can be mixed more quickly.

Therefore, when the cooled discharged air is supplied in the first dynamic cooling step (S40), a temperature deviation may occur around the indoor unit. Particularly, not only the temperature deviation according to the horizontal distance based on the indoor unit but also the temperature variation according to the vertical direction height can be largely generated. Also, the temperature deviation with respect to the first discharge-pair direction and the second discharge-pair direction can be largely formed.

This is a natural phenomenon that occurs because the targets of the first discharge pair and the second discharge pair are different in the first dynamic cooling step (S40). In order to solve this problem, a first auto swing step (S60) is arranged.

In step S50, the operation time of step S40 is determined. If the step S50 is satisfied, the process proceeds to step S60. If the step S50 is not satisfied, the process returns to the step S40.

The step S60 is a first auto swing step. The first auto swing step (S60) is operated in the auto swing cycle.

In the first auto swing step S60, the first vane module 201, the second vane module 202, the third vane module 203 and the fourth vane module 204 operate the vane motor 230,

"Discharge step P 2 -> discharge step P 3 -> discharge step P 4 -> discharge step P 5", and then in the order of "discharge step P 5 -> discharge step P 6 -> discharge step P 3 -> discharge step P 2" Sequentially change.

The auto swing cycle of the first auto swing step S60 is also excluded from the ejection step P1 and the ejection step P6. The operating time of the first auto swing step (S60) is set to the first auto time (5 minutes in this embodiment). In this embodiment, the operation time of the first auto swing step (S60) is equal to the first dynamic time.

In the first auto swing step (S60), air circulated around the indoor unit is discharged while reciprocating between the discharge step P2 and the discharge step P5, and the room air and the cooled air are mixed at random. The first auto swing step (S60) has the effect of randomly mixing the indoor air and the cooled discharge air, thereby making the temperature of the entire indoor air uniform.

The first auto swing step (S60) eliminates the temperature deviation formed by the first dynamic cooling step (S40).

If the step S70 is satisfied, the process goes to the step S80. If the step S70 is not satisfied, the process returns to the step S60.

Step S80 is a second dynamic cooling step.

The second dynamic cooling step (S80) operates the first discharge pair and the second discharge pair opposite to the first dynamic cooling step (S40). Thus, in the second dynamic cooling step (S80), the first discharge pair is set to the power cooling / discharge step and the second discharge pair is set to the discharge step P2.

In the second dynamic cooling step (S80), the first discharge pair is changed to the power cooling / discharging step, and then the state is maintained. In the second dynamic cooling step (S80), the second discharge pair is changed to the discharge step P2, and then the state is maintained.

In contrast to the first dynamic cooling step (S40), the second dynamic cooling step (S80) provides direct air through the first discharge pair and provides indirect air through the second discharge pair.

In this embodiment, the power cooling / discharging step of the second dynamic cooling step (S80) is the discharging step P4.5.

In the second dynamic cooling step S80, the vane motor of the first discharge pair is rotated by 102 degrees (P4.5 rotation angle), and the vane motor 230 of the second discharge pair is rotated by 78 degrees (P2 rotation angle).

By alternately operating the first dynamic cooling step (S40) and the second dynamic cooling step (S80), the air in the indoor space can be mixed more effectively. By alternately operating the first dynamic cooling step (S40) and the second dynamic cooling step (S80), it is possible to minimize the dead zone in which room air does not reach.

Particularly, since the first dynamic cooling step (S40) and the second dynamic cooling step (S80) alternately provide the indirect wind and the direct wind, it is possible to minimize the dead zone where the room air does not reach.

With the first discharge pair as an example, air is discharged from the indoor unit through the discharge step P2 in the first dynamic cooling step (S40). Then, in the second dynamic cooling step (S80), the air is discharged to the vicinity of the indoor unit through the power cooling / discharging step P4.5. When the air is discharged in this way, the dead zone for the discharge directions of the first vane module 201 and the third vane module 203 can be minimized.

In addition, when the first discharge pair is operated, the second discharge pair is operated in the opposite direction, and the second discharge pair discharges air close to the indoor unit in the first dynamic cooling step (S40), and the second dynamic cooling step (S80), air is discharged far away from the indoor unit. When the air is discharged in this way, the dead zone for the discharge direction of the second vane module 202 and the fourth vane module 204 can be minimized.

For example, in the second dynamic cooling step (S80), the first discharge pair flows the cooled air away from the near side of the indoor unit through the discharge step P4.5. At this time, since the air discharged from the first discharge pair is directed toward the ground, the air flows to a far side along the floor after reaching the floor at the near side of the indoor unit. When the air discharged from the first discharge pair is gradually lowered and reaches the remote place from the indoor unit, the room air is pushed by the cooled discharge air and flows to the periphery.

When the second discharge pair supplies air to the farther side from the indoor unit through the discharging step P2, the cooled air is discharged at a gentle angle, and the discharged air is gradually lowered due to the density difference with the room air. When the air discharged from the second discharge pair is gradually lowered and reaches a position far from the indoor unit, the room air is pushed by the cooled discharge air and flows around.

As described above, since the first dynamic cooling step (S40) and the second dynamic cooling step (S80) supply alternately cooled air near and away from the horizontal direction in the indoor unit, the indoor air can be effectively mixed .

In addition, since the first and second dynamic cooling steps (S40 and S80) alternately supply the cooled air to the higher and lower sides with respect to the vertical height, the indoor air can be effectively mixed.

In step S90, it is determined whether it exceeds the second dynamic time (five minutes in the present embodiment). If the step S90 is satisfied, the process proceeds to step S100. If the step S90 is not satisfied, the process returns to the step S80.

Since the second auto swing step S100 is the same as the first auto swing step S60, the detailed description will be omitted. Since step S110 is also the same as step S70, a detailed description will be omitted. In this embodiment, the first auto time of S70 and the second auto time of S110 are the same.

The first dynamics time and the second dynamics time are set to be the same and the air temperature around the indoor unit can be uniformly formed. When the first dynamic time and the second dynamic time are arranged differently, there is a possibility that the temperature in either one of the first discharge pair or the second discharge pair is formed to be lower. In addition, the first auto time and the second auto time can be similarly set, and the ambient temperature around the indoor unit can be formed more uniformly.

In step S120, it is determined whether the rapid indirect wind mode is OFF. In the present embodiment, the operation S10 is performed in response to a user's operation signal, so that the operation 120 determines whether the user inputs a rapid-blow-by-air mode OFF signal.

In this embodiment, even if the user inputs the rapid indirect wind mode off (OFF) before step S120, step S120 is followed by step S120. Unlike the present embodiment, the step S120 may be arranged between the steps S10 and S110, respectively, and may be followed by the step S120 after the steps are completed. In this case, if the user inputs the rapid indirect wind mode OFF, the rapid indirect wind mode can be immediately terminated after the completion of the step in progress.

If the step S120 is not satisfied (the user does not input the rapid indirect wind mode OFF, the process returns to step S15).

Referring to Fig. 24, a cooling method control method of a ceiling type indoor unit according to a second embodiment of the present invention will be described.

When the step S50 is satisfied, the control method of the ceiling-type indoor unit according to the present embodiment operates the first discharge pair in the power cooling / discharging step and operates the second discharging pair in the discharging step P2 And a step (S90) of determining whether the second dynamic cooling step (S80) exceeds a second dynamic time (five minutes in the present embodiment).

The control method of the ceiling-type indoor unit according to the present embodiment may further include a step (S120) of determining whether the rapid indirect wind mode is off (S120) when the step S90 is satisfied, And ending the rapid indirect wind mode.

The first discharge pair and the second discharge pair proceed in the order of " another operation-> another operation ".

Thus, in the present embodiment, the first discharge pair proceeds to "discharge step P2 (S40) -> power cooling / discharge step P4.5 (S80)". In the present embodiment, the second discharge pair proceeds to " power cooling / discharging step P4.5 (S40) -> discharging step P2 (S80) ".

Unlike the first embodiment, steps S60, S70, S100, and S110 are omitted in this embodiment.

In this embodiment, steps S60, S70, S100, and S110 are omitted, thereby shortening the driving time of at least one cycle of the rapid indirect wind mode. In the present embodiment, the dynamic cooling step (S40) and (80) are alternately repeated when the rapid indirect wind mode is started in a state where the room load is large.

The rest of the configuration is the same as that of the first embodiment, and a detailed description thereof will be omitted.

A control method of a ceiling-type indoor unit for heating according to a third embodiment of the present invention will be described with reference to FIG.

The control method of the ceiling-type indoor unit according to the present embodiment includes a step S12 in which the rapid indirect wind mode is turned on, a load determination step S13 in which the indoor load and the heating setting load are compared after the step S12, A first dynamic heating step (S43) of operating the first discharge pair to the discharging step P2 and the second discharging pair to operate in the power heating discharging step when the load determining step (S13) is satisfied, and And determining whether the first dynamic heating step S43 exceeds a first dynamic time (5 minutes in the present embodiment) (S50).

A second dynamic heating step (S83) for operating the first discharge pair in the power heating discharge step and the second discharge pair in the discharge step P2 when the step S50 is satisfied, and the second dynamic heating step S83) is greater than a second dynamic time (5 minutes in the present embodiment) (S90).

If the step S90 is satisfied, it is determined whether the rapid indirect wind force mode is off (S120). If the fast indirect wind force mode is satisfied (S120), the fast indirect wind wind mode is terminated.

Thus, in the present embodiment, the first discharge pair proceeds to "discharge step P2 (S43) -> power heating discharge step P4.5 (S83)". In the present embodiment, the second discharge pair proceeds to "power heating discharge step P4.5 (S43) -> discharge step P2 (S83)".

In the present embodiment, the dynamic heating step (S43) and (83) are repeatedly carried out alternately when the rapid indirect wind mode is started at the time of heating.

In the load determining step S13, the controller compares the indoor load with the heating load to determine the load. In the present embodiment, the indoor load is calculated by the temperature difference between the target temperature and the room temperature, and the heating setting load is 3 degrees.

That is, when the temperature difference between the target temperature set by the user and the room temperature is 3 degrees or more, it is determined that the load determination step S13 is satisfied.

When the temperature difference is less than 3 degrees, it is determined that the load determination step S13 is not satisfied. In this embodiment, the temperature difference is set to 3 degrees, but the temperature difference may be 2 degrees, and may be variously changed depending on the situation.

If the load determination step S13 is satisfied, the process proceeds to step S43. If the load determination step S15 is not satisfied, the process proceeds to step S200.

Step S200 is an indirect wind-providing step. If the load determination step S13 is not satisfied, it is determined that the room load is not large. If the room load is not large, it is desirable to provide indirect air to the occupant rather than providing direct air.

This is because when the direct wind is directly fed to the occupant, the occupant can feel hot or dry. The step S200 is for providing an indirect air to the occupant, and in this embodiment, the discharging step P2 is set.

That is, if the load determination step S13 is not satisfied, all of the first vane module, the second vane module, the third vane module, and the fourth vane module are set to the ejection step P2 (S200)

In this embodiment, the discharge step P2 is set to provide indirect air, but the discharge step P3 may be set differently from the present embodiment. Since the cold air is discharged during the cooling operation, the discharged air can slowly flow toward the floor of the room even if the discharging step P1 is set. However, if the discharging step P1 is set during the heating operation, Do not. Therefore, in the heating operation, the discharge step P3 may be set when indirect wind is to be provided.

The air discharged in the indirect air providing step (S200) flows along the ceiling of the room, hits the wall of the room, flows downward toward the floor, collides with the floor, and then returns to the indoor unit.

Step S40 is a first dynamic heating step. The dynamic heating step is similar to the dynamic cooling step described above.

In the first dynamic heating step (S43), the first discharge pair and the second discharge pair form different discharge steps.

In the first dynamic heating step (S43), the supply target or the supply objective of the first discharge pair and the second discharge pair are different. The first dynamic heating step S43 operates the first discharge pair and the second discharge pair in different ways.

In the first dynamic heating step (S43) in this embodiment, the first discharge pair is set to the discharge step P2 and the second discharge pair is set to the power heating discharge step.

In the first dynamic heating step S43, the first discharge pair is changed to the discharging step P2, and then the state is maintained. In the first dynamic heating step (S43), the second discharge pair is changed to the power heating discharge step, and then the state is maintained.

While the second delivery pair provides direct air to the user to provide direct heated air. The power heating / discharging step may be any one of the discharging step P3 to the discharging step P6 arranged vertically than the discharging step P2.

In the power heating / discharging step, the slope of the first vane may be between 35 degrees and 57 degrees.

It is preferable that the power heating and discharging step is between the discharging steps P4 to P6. In order to rapidly heat the indoor air, it is preferable that the discharge air is provided in an inclined wind rather than a horizontal wind or a vertical wind. Particularly, since the first discharge pair provides the indirect air close to the horizontal wind, it provides the discharge air at a long distance, and the second discharge pair provides the discharge air at a place closer thereto.

In this embodiment, instead of selecting the power heating discharge step as one of the discharge steps P1 to P6, a separate discharge step is arranged in the middle of the discharge steps P4 to P6. Therefore, the discharge step P4.5 is arranged between the discharge steps P4 to P5, and this is defined as the power heating discharge step.

Unlike the present embodiment, the above-described discharge step P5 can be selected in the power heating discharge step. The reason why the discharging step P5 is selected is that it is a discharging step having a large difference in air discharging direction from P2 in the discharging step, not the horizontal wind and the vertical wind.

In the power heating and discharging step P4.5, the vane motor 230 is rotated by 102 degrees (P4.5 rotation angle). By the rotation of the vane motor 230, the first vane 210 and the second vane 220 form a slope in the middle of the discharge steps P4 to P5. Thus, the first vane 210 forms a slope between 35 degrees and 44 degrees, and the second vane 220 forms a slope between approximately 70 degrees and 72 degrees.

In the first dynamic heating step S43, the vane motor 230 of the first discharge pair is rotated by 78 degrees (P2 rotation angle), and the vane motor of the second discharge pair is rotated by 102 degrees (P4.5 rotation angle).

For example, in the first dynamic heating step (S43), when the first discharge pair supplies air to the farther side from the indoor unit through the discharge step P2, the heated air is discharged at a gentle angle, As shown in FIG.

In the first dynamic heating step S43, when the first discharge pair supplies the discharge air to the discharge step P2 indirectly, the second discharge pair is discharged through the power heating discharge step P4.5 to the air heated to the far side from the near side of the indoor unit . At this time, since the air discharged from the second discharge pair is directed to the ground surface rather than the first discharge pair, the air flows to the far side along the bottom after reaching the floor at the near side of the indoor unit. Since the air discharged from the second discharge pair is warmer than the room air, it is discharged toward the bottom and then flows upward.

Convection of air is promoted by the air ejected from the second ejection pair in the ejection direction (second ejection direction and fourth ejection direction) of the second ejection pair.

When the air discharged from the second discharge pair gradually rises and reaches a position far from the indoor unit, the indoor air is pushed by the heated discharge air and flows around.

In this manner, when the first discharge pair provides the discharge air at a long distance and the second discharge pair arranged at an orthogonal position provides the discharge air in the vicinity, the circulation of the indoor air can be promoted. That is, when the discharged air is discharged in different directions, when the difference in distance and height is formed, the heated air and the room air can be mixed more quickly.

Thus, when the discharged air heated in the first dynamic heating step (S43) is supplied, a temperature deviation may occur around the indoor unit. Particularly, not only the temperature deviation according to the horizontal distance based on the indoor unit but also the temperature variation according to the vertical direction height can be largely generated. Also, the temperature deviation with respect to the first discharge-pair direction and the second discharge-pair direction can be largely formed.

This is a natural phenomenon that occurs because the targets of the first discharge pair and the second discharge pair are different in the first dynamic heating step (S43).

In step S50, the operation time of step S43 is determined. If the step S50 is satisfied, the process goes to the step S83. If the step S50 is not satisfied, the process returns to the step S43.

The second dynamic heating step S83 operates the first discharge pair and the second discharge pair opposite to the first dynamic heating step S43. Thus, in the second dynamic heating step (S83), the first discharge pair is set to the power heating discharge step, and the second discharge pair is set to the discharge step P2.

In the second dynamic heating step (S83), the first discharge pair is changed to the power heating discharge step, and then remains in the state during the second dynamic time. In the second dynamic heating step S83, the second discharge pair is changed to the discharging step P2, and then remains in the state during the second dynamic time.

In contrast to the first dynamic heating step (S43), the second dynamic heating step (S83) provides direct air through the first discharge pair and indirect air through the second discharge pair.

In this embodiment, the power heating and discharging step of the second dynamic heating step (S83) is the discharging step P4.5.

In the second dynamic heating step S83, the vane motor of the first discharge pair is rotated by 102 degrees (P4.5 rotation angle), and the vane motor 230 of the second discharge pair is rotated by 78 degrees (P2 rotation angle).

By alternately operating the first dynamic heating step (S43) and the second dynamic heating step (S83), the air in the indoor space can be mixed more effectively. By alternately operating the first dynamic heating step (S43) and the second dynamic heating step (S83), it is possible to minimize the dead zone where room air does not reach.

Particularly, since the first dynamic heating step (S43) and the second dynamic heating step (S83) alternately provide the indirect wind and the direct wind, it is possible to minimize the dead zone where the room air does not reach.

With the first discharge pair as an example, air is discharged from the indoor unit through the discharge step P2 in the first dynamic heating step (S43). Thereafter, in the second dynamic heating step (S83), air is discharged to the vicinity of the indoor unit through the power heating / discharging step P4.5. When the air is discharged in this way, the dead zone for the discharge directions of the first vane module 201 and the third vane module 203 can be minimized.

In addition, when the first discharge pair is operated, the second discharge pair is operated in the opposite direction, the second discharge pair discharging air close to the indoor unit in the first dynamic heating step (S43), and the second dynamic heating step (S83), air is discharged far away from the indoor unit. When the air is discharged in this way, the dead zone for the discharge direction of the second vane module 202 and the fourth vane module 204 can be minimized.

For example, in the second dynamic heating step (S83), the first discharge pair flows the heated air away from the near side of the indoor unit through the discharge step P4.5. At this time, since the air discharged from the first discharge pair is directed toward the ground, the air flows toward the floor near the bottom of the indoor unit, then flows to the far side along the floor, have.

When the air discharged from the first discharge pair descends and then rises and reaches a position far from the indoor unit, the room air is pushed by the heated discharge air and flows around.

When the second discharge pair supplies air to the farther side from the indoor unit through the discharge step P2, the heated air is discharged at a gentle angle, and the discharged air stays on the upper side due to the density difference with the room air. The air discharged from the second discharge pair can reach far from the indoor unit with the descent being minimized. The air discharged from the second discharge pair in the horizontal wind shape is minimized in descent and flows away, and can be struck against the wall of the room and flow to the floor.

In the first dynamic heating step (S43) and the second dynamic heating step (S83), the air supplied at a distance from the indoor unit in the horizontal wind shape is lowered by colliding against the wall of the room, The indoor air can be flowed toward the indoor unit by the air that is lowered by colliding against the wall.

As described above, since the first dynamic heating step (S43) and the second dynamic heating step (S83) supply alternately heated air near and away from the horizontal direction in the indoor unit, the indoor air can be effectively mixed .

In addition, since the first dynamic heating step (S43) and the second dynamic heating step (S83) supply alternately heated air to the higher and lower sides with respect to the vertical height, the indoor air can be effectively mixed.

Referring to FIG. 26, a method of controlling a ceiling-type indoor unit according to the fourth embodiment of the present invention will be described.

The control method for the ceiling-type indoor unit according to the present embodiment may further include a horizontal wind unity step (S63) for operating the first discharge pair and the second discharge pair in the discharge step P2 when the step S50 is satisfied, The step S73 of judging whether the horizontal wind unity step S63 exceeds the horizontal wind time (5 minutes in this embodiment).

The control method of the ceiling-type indoor unit according to the present embodiment is characterized in that when the step S73 is satisfied, the first discharge pair is operated in the power heating discharge step and the second discharge pair is operated in the discharge step P2 (S90) of determining whether the dynamic heating step (S83) and the second dynamic heating step (S83) exceed a second dynamic time (five minutes in the present embodiment).

The first discharge pair and the second discharge pair proceed in the order of "different operation -> same operation -> different operation".

Thus, in the present embodiment, the first discharge pair proceeds to "discharge step P2 (S43) -> discharge step P2 (S63) -> power heating discharge step P4.5 (S83)". In the present embodiment, the second discharge pair proceeds to " power heating / discharging step P4.5 (S43) -> discharging step P2 (S63) -> discharging step P2 (S83) ".

In this embodiment, steps S63 and S73 are added, unlike the first embodiment.

The step S63 is a horizontal wind unity step. The horizontal wind unity phase sets all four vane modules to the same ejection step. However, in the horizontal wind unity step (S63), the four vane modules are set to the discharge step P2 close to the horizontal wind.

The operating time of the horizontal wind unity step S63 is set to the horizontal wind time (five minutes in this embodiment). In this embodiment, the operating time of the horizontal wind unity step S63 is equal to the first dynamic time.

Since the horizontal wind unity step S63 is set to the discharge step P2, the first discharge pair is maintained in the discharge step P2 from the first dynamic heating step S43 to the horizontal wind unity step S63. Since the horizontal wind unity step S63 is set to the discharge step P2, the second discharge pair is changed from the power heating discharge step P4.5 to the discharge step P2.

Since the horizontal wind unity step S63 is set to the discharge step P2, it is possible to provide air in a horizontal wind-shaped form away from the indoor unit. In the horizontal wind unity step S60, the air provided in the horizontal wind shape is lowered by colliding against the wall of the room, and then the flow direction can be switched 180 degrees. The room air flows to the indoor unit side by the air dropped by colliding with the wall .

That is, the air discharged in the horizontal wind unity step (S63) can send hot air away and collect indoor air having a low temperature to the indoor unit side.

In the present embodiment, the horizontal wind unity step (S63) is set to the discharge step P2 close to the horizontal wind, but the horizontal wind unity step (S63) can eliminate the temperature deviation formed by the first dynamic heating step (S43).

The rest of the configuration is the same as that of the third embodiment, and a detailed description thereof will be omitted.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It is to be understood that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

[Description of Symbols]

100: Case 101: Suction port

102: discharge port 103:

104: Discharge channel 110: Case housing

120: front panel 130: indoor heat exchanger

140: indoor ventilation fan 200: vane module

210: first vane 212a: front side of the first vane

212b: the rear side of the first vane

216: first joint part 217: second joint part

220: second vane 222a: front side of the second vane

222b: rear side of the second vane

226: Third joint 230: Vane motor

240: drive link 241: first drive link shaft

242: second drive link shaft 243: core link shaft

245: drive link body 246: first drive link body

247: second drive link body 248: core body

250: first vane link 260: second vane link

251: 1-1 vane link shaft 252: 1-2 vane link shaft

261: 2-1 vane link shaft 262: 2-2 vane link shaft

300: front panel 310: front body

320: suction grille 330: prefilter

400: Module body 410: First module body

420: second module body 500: elevator

Claims

A casing having a first outlet, a second outlet, a third outlet, and a fourth outlet formed at an edge of the inlet;

A first vane module disposed at the first discharge port and disposed at 12 o'clock with respect to the suction port to constitute one of the first discharge pairs and to discharge air in a first discharge direction; A second vane module disposed at the second discharge port and disposed at 3 o'clock relative to the suction port to constitute one of the second discharge pairs and to discharge air in a second discharge direction; A third vane module disposed at the third discharge port, disposed at 6 o'clock with respect to the suction port, constituting the remaining one of the first discharge pairs and discharging air in a third discharge direction; And a fourth vane module disposed at the fourth outlet and arranged at 9 o'clock with respect to the inlet port to constitute the other one of the second outlet pairs and to discharge air in a fourth outlet direction,

Each of the vane modules includes:

A module body installed on the case side and at least a part of which is exposed to the discharge port; A vane motor assembled to the module body and providing a driving force; A drive link body including a first drive link body and a second drive link body assembled to be relatively rotatable with the module body, coupled to the vane motor, rotated by a driving force of the vane motor, link; A first vane link located forward of the drive link and assembled to be rotatable relative to the module body; A second vane link assembled to be rotatable relative to the second driving link body; A first vane disposed in the discharge port and disposed in front of a discharge direction of air discharged from the discharge port and assembled to be rotatable relative to each of the first drive link body and the first vane link; And a second vane disposed at the discharge port and assembled to be rotatable relative to the module body by a second vane shaft and assembled to be rotatable relative to the second vane link,

The first vane module, the second vane module, the third vane module and the fourth vane module are set to any one of the ejecting steps P1 to P6,

The first vane slope of the ejecting step P2 < the first vane slope of the ejecting step P3 < the first vane slope of the ejecting step P3 < The inclination <the first vane inclination of the discharging step P5 <the first inclination of the vane of the discharging step P6 <90 degrees,

The inclination of each second vane with respect to the horizontal is "0 <second vane inclination of ejecting step P1 <second vane inclination of ejecting step P2 <second vane inclination of ejecting step P3 <second vane inclination of ejecting step P4 &Lt; the second vane inclination of the ejection step P5 < the second vane inclination of the ejection step P6 < 90 degrees &

The inclination of the second vane in each of the ejecting steps is always set larger than the inclination of the first vane,

A step S12 in which the rapid indirect wind mode is turned ON,

A load determination step (S15) of comparing the indoor load and the cooling load setting after step S12;

A first dynamic cooling mode in which the first discharging pair is operated to the discharging step P2 and the second discharging pair is operated in the power cooling and discharging step when the indoor load is larger than the cooling setting load in the load determining step S15 Step S40;

Determining whether the first dynamic cooling step (S40) exceeds a first dynamic time (S50);

A second dynamic cooling step (S80) of operating the first discharge pair in the power cooling / discharging step and the second discharging pair in the discharging step P2 when the step S50 is satisfied;

Determining whether the second dynamic cooling step (S80) exceeds a second dynamic time (S90);

If the step S90 is satisfied, it is determined whether the rapid indirect wind mode is off (S120);

And terminating the rapid indirect wind mode if the step S120 is satisfied,

(S200) of operating the first discharge pair and the second discharge pair in the discharging step P2 when the indoor load is smaller than the cooling setting load in the load determination step (S15);

(S210) of determining an indirect wind operation time after the indirect wind providing step (S200)

If the step S210 is satisfied, the step of S120 is performed.
The method according to claim 1,

And if the step S 120 is not satisfied, returns to the load determination step (S 15).
The method according to claim 1,

If the step S50 is not satisfied, the control returns to the first dynamic cooling step (S40)

And returning to the second dynamic cooling step (S80) if the step S90 is not satisfied.
The method according to claim 1,

Wherein the first dynamic time and the second dynamic time are set to be the same.
The method according to claim 1,

Wherein the indoor load is a temperature difference between a target temperature and an indoor temperature in the load determination step (S15), and the cooling setting load is set to 3 degrees.
The method according to claim 1,

Is disposed between step S50 and the second dynamic cooling step (S80)

A first auto swing step (S60) in which the first discharge pair and the second discharge pair are simultaneously operated and the first discharge pair and the second discharge pair are reciprocated for a predetermined interval when the step S50 is satisfied;

(S70) of determining whether the first auto swing step (S60) exceeds a first auto time,

And if the step S70 is satisfied, proceeding to the second dynamic cooling step (S80).
The method according to claim 1,

And is disposed between steps S90 and S120,

A second auto swing step (S100) in which the first discharge pair and the second discharge pair are simultaneously operated and the first discharge pair and the second discharge pair are reciprocated for a predetermined interval when the step S90 is satisfied; (S110) of determining whether the second auto swing step (S100) exceeds a second auto time,

If the step S110 is satisfied, the step S120 is performed.
The method according to claim 1,

In the discharging step P2,

Wherein the first vane forms a slope between 16 degrees and 29 degrees and the second vane forms a slope between 57 degrees and 67 degrees,

In the power cooling / discharging step,

Wherein the first vane forms a slope between 35 degrees and 44 degrees and the second vane forms a slope between approximately 70 degrees and 72 degrees.
The method according to claim 1,

In the discharging step P1,

Wherein the rear side end of the second vane is located on the upper side of the discharge port and the front side end of the second vane is located on the lower side of the discharge port and the rear side end of the first vane is located on the front side of the second vane And the front side end of the first vane is positioned lower than the rear side end of the first vane.
The method of claim 9,

When providing the discharging step P2,

Wherein the rear end of the first vane is positioned higher than the front end of the second vane.
The method according to claim 1,

In the discharging step P1,

Wherein the upper surface of the second vane is positioned higher than the upper surface of the first vane.
A casing having a first outlet, a second outlet, a third outlet, and a fourth outlet formed at an edge of the inlet;

A first vane module disposed at the first discharge port and disposed at 12 o'clock with respect to the suction port to constitute one of the first discharge pairs and to discharge air in a first discharge direction; A second vane module disposed at the second discharge port and disposed at 3 o'clock relative to the suction port to constitute one of the second discharge pairs and to discharge air in a second discharge direction; A third vane module disposed at the third discharge port, disposed at 6 o'clock with respect to the suction port, constituting the remaining one of the first discharge pairs and discharging air in a third discharge direction; And a fourth vane module disposed at the fourth outlet and arranged at 9 o'clock with respect to the inlet port to constitute the other one of the second outlet pairs and to discharge air in a fourth outlet direction,

Each of the vane modules includes:

A module body installed on the case side and at least a part of which is exposed to the discharge port; A vane motor assembled to the module body and providing a driving force; A drive link body including a first drive link body and a second drive link body assembled to be relatively rotatable with the module body, coupled to the vane motor, rotated by a driving force of the vane motor, link; A first vane link located forward of the drive link and assembled to be rotatable relative to the module body; A second vane link assembled to be rotatable relative to the second driving link body; A first vane disposed in the discharge port and disposed in front of a discharge direction of air discharged from the discharge port and assembled to be rotatable relative to each of the first drive link body and the first vane link; And a second vane disposed at the discharge port and assembled to be rotatable relative to the module body by a second vane shaft and assembled to be rotatable relative to the second vane link,

The first vane module, the second vane module, the third vane module and the fourth vane module are set to any one of the ejecting steps P1 to P6,

The first vane slope of the ejecting step P2 < the first vane slope of the ejecting step P3 < the first vane slope of the ejecting step P3 < The inclination <the first vane inclination of the discharging step P5 <the first inclination of the vane of the discharging step P6 <90 degrees,

The inclination of each second vane with respect to the horizontal is "0 <second vane inclination of ejecting step P1 <second vane inclination of ejecting step P2 <second vane inclination of ejecting step P3 <second vane inclination of ejecting step P4 &Lt; the second vane inclination of the ejection step P5 < the second vane inclination of the ejection step P6 < 90 degrees &

The inclination of the second vane in each of the ejecting steps is always set larger than the inclination of the first vane,

A step S12 in which the rapid indirect wind mode is turned ON;

A load determination step (S13) of comparing the indoor load and the heating setting load after step S12;

And a second dynamic heating step of operating the first discharge pair to the discharging step P2 and operating the second discharging pair in the power heating discharging step when the indoor load is greater than the heating setting load in the load determining step S13 Step S43;

Determining whether the first dynamic heating step (S43) exceeds a first dynamic time (S50);

A second dynamic heating step (S83) of operating the first discharge pair in the power heating discharge step and the second discharge pair in the discharge step P2 when the step S50 is satisfied;

Determining whether the second dynamic heating step (S83) exceeds a second dynamic time (S90);

If the step S90 is satisfied, it is determined whether the rapid indirect wind mode is off (S120);

And terminating the rapid indirect wind mode if the step S120 is satisfied,

An indirect air providing step (S200) of operating the first discharge pair and the second discharge pair to the discharge step P2 if the indoor load is smaller than the heating setting load in the load determination step (S13);

And a step (S210) of determining an indirect wind operation time after the indirect wind providing step (S210)

If the step S210 is satisfied, the step of S120 is performed.
The method of claim 12,

And if the step S 120 is not satisfied, returning to the load determination step (S 13).
The method of claim 12,

If the step S50 is not satisfied, the control returns to the first dynamic cooling step (S43)

And returning to the second dynamic cooling step (S83) when the step S90 is not satisfied.
The method of claim 12,

Wherein the indoor load is a temperature difference between a target temperature and an indoor temperature in the load determination step (S13), and the heating load is set to 3 degrees.
The method of claim 12,

Is disposed between step S50 and the second dynamic cooling step (S83)

A horizontal wind unity step (S63) of operating the first discharge pair and the second discharge pair in the discharge step P2 when the step S50 is satisfied;

Further comprising a step (S73) of determining whether the horizontal wind unity step (S63) exceeds a horizontal wind time,

And if the step S73 is satisfied, proceeding to the second dynamic cooling step (S83).
The method of claim 12,

In the discharging step P2,

Wherein the first vane forms a slope between 16 degrees and 29 degrees and the second vane forms a slope between 57 degrees and 67 degrees,

In the power cooling / discharging step,

Wherein the first vane forms a slope between 35 degrees and 44 degrees and the second vane forms a slope between approximately 70 degrees and 72 degrees.
The method of claim 12,

When providing the discharging step P1,

Wherein the rear side end of the second vane is located on the upper side of the discharge port and the front side end of the second vane is located on the lower side of the discharge port and the rear side end of the first vane is located on the front side of the second vane And the front side end of the first vane is positioned lower than the rear side end of the first vane.
19. The method of claim 18,

When providing the discharging step P2,

Wherein the rear end of the first vane is positioned higher than the front end of the second vane.
The method of claim 12,

In the discharging step P1,

Wherein the upper surface of the second vane is positioned higher than the upper surface of the first vane.