RU2667590C1 - Air conditioner and method for its control - Google Patents

Abstract

FIELD: ventilation.

SUBSTANCE: invention relates to an air conditioner and a method of controlling it. Air conditioner comprises a housing having an inlet and an outlet; the main fan, which is designed with possibility to suck air into the housing through the intake and discharge of air from the housing through the outlet; an auxiliary fan configured to suck air around the outlet into the housing to change the direction of the air emerging from the housing through the outlet; and a guiding channel configured to direct air sucked into the body by an auxiliary fan.

EFFECT: produced airflow is regulated without a blade construction.

14 cl, 75 dwg

Description

FIELD OF THE INVENTION

[1] The following description relates to an air conditioner and a method for controlling it, as a result of which the exhaust air flow is controlled without a blade structure.

BACKGROUND OF THE INVENTION

[2] The air conditioner is equipped with a compressor, a condenser, an expansion valve, an evaporator, a blower and the like for adjusting the indoor temperature, humidity, air flow, etc., using cooling cycles. Air conditioners can be divided into separate air conditioners having two separate parts: an indoor unit to be installed indoors, and an outdoor unit to be installed outdoors, and a stand-alone air conditioner having an indoor unit and an outdoor unit located in one housing.

The indoor unit of the air conditioner includes a heat exchanger for exchanging heat between refrigerants and air, a blower fan for circulating air, and an electric motor for driving a blower fan for cooling or heating the room in the room.

The indoor unit of the air conditioner may also have a device for controlling the exhaust air flow to exhaust air, cooled or heated by the heat exchanger, in various directions. The device for controlling the exhaust air flow may typically include a vertical or horizontal vane mounted in the outlet, and an actuation system for driving the vane. The indoor unit of the air conditioner adjusts the air flow direction by adjusting the angle of rotation of the blade.

Disclosure of invention

Technical problem

[5] In the case of a device for controlling the exhaust air flow using a blade, the amount of exhaust air can be reduced, since the blade interferes with the air flow, and the noise during circulation may increase due to turbulence created around the blade. In addition, since the axis of rotation of the blade is made straight, the shape of the release is limited to a straight shape.

Solution

[6] In accordance with an aspect of this disclosure, an air conditioner includes a housing having an inlet and an outlet, a main fan for sucking air from the inlet and outlet of air into the outlet, an auxiliary fan configured to suck in air around the outlet to change the direction of the discharged air discharged from the outlet, and a guide channel for directing air sucked in by the auxiliary fan.

[7] The housing may include a lower housing having an inlet and outlet, and a middle housing connected to the upper portion of the lower housing, and a guide channel may be formed between the middle housing and the lower housing.

[8] The housing may include a supply opening for drawing air around the outlet into the guide channel, and a discharge opening for letting air out of the guide channel.

[9] The inlet may be located farther from the center of the air conditioner compared to the outlet, and the discharge opening may be located closer to the center of the air conditioner than the outlet.

[10] The guide channel may include a first channel for directing air around the outlet in the first direction in which the exhaust passes, and a second channel for directing air from the first channel in a second direction other than the first direction.

[11] The housing may have another outlet, the outlets may be located separately from each other, and a second channel may be formed between the outlets of the enclosure.

[12] The air conditioner may include another auxiliary fan and another guide channel including another first channel and another second channel, and the first channels and second channels correspond to auxiliary fans, respectively.

[13] The housing may include a partition for separating the first channels.

[14] Each of the first channels may be symmetrical with respect to the corresponding auxiliary fan.

[15] The housing may include a guide portion located at a point where the first channel and the second channel are connected to change the direction of the air leaving the first channel to the second channel.

[16] The housing may include a jumper formed between the outlets to form a second channel.

[17] The air conditioner may further include a fan case for accommodating the auxiliary fan, and the fan case may be located on a jumper.

[18] The air conditioner may further include a display device for displaying information, and the display device may be mounted on a jumper.

[19] Each of the outlet and the air inlet may have an arcuate shape.

[20] In accordance with an aspect of the present disclosure, an air conditioner includes a housing having an inlet and an outlet, a heat exchanger located inside the housing, a main fan for sucking air from the inlet for heat exchange with the heat exchanger, and discharging the heat exchanged air from the outlet, and a tray for a drain configured to collect water condensed on a heat exchanger, the drain pan comprising an outlet through which air to be discharged into the outlet passes and an unloading guide rib is arranged information on the drain pan.

[21] The unloading guide rib may include a first unloading guide rib extending in a first direction in which the drain pan is discharged, and a second unloading guide rib extending in a radial second direction other than the first direction.

[22] The housing may include an unloading guide rib configured to extend in a second direction to correspond to a second unloading guide rib.

[23] In an aspect of the present disclosure, an air conditioner includes a housing having an inlet and an outlet, a heat exchanger located inside the housing, a main fan for sucking air from the inlet for heat exchange with the heat exchanger, and discharging the heat exchanged air from the outlet, a drain pan made with the possibility of collecting water condensed on the heat exchanger, and having a hole through which air is drawn in to the inlet, and a control unit housing located on the outside of the perimeter of the hole in the radial direction to accommodate electronic parts and having a curved part to match the perimeter of the hole.

[24] The air conditioner may further include a suction rail connected to the inlet and having a suction channel for directing air drawn in through the inlet to the main fan.

[25] The control unit housing may be located between the drain pan and the suction rail.

The positive results of the invention

[26] In accordance with embodiments of the present disclosure, an indoor unit of an air conditioner can control the exhaust air flow by suctioning air around the exhaust without a blade.

[27] Since the indoor unit of the air conditioner controls the exhaust air flow without the blade, the reduction in the amount of exhaust caused by the interference of the blade can be reduced.

[28] Since the indoor unit of the air conditioner controls the exhaust air flow without a blade, the circulation noise can be reduced.

[29] In addition, the release of the indoor unit of the air conditioner can be performed not only in the usual rectilinear form, but also in various other forms, such as round and curved shapes.

[30] The air conditioner may also prevent the suction of air discharged from the outlet back into the inlet.

[31] By preventing the suction of air discharged from the outlet back into the inlet, the air conditioner can prevent condensation from forming inside.

[32] An air conditioner can also increase the range of reach of the exhaust air, thereby increasing its effective operation as perceived by the user.

[33] Air conditioning can also increase cooling / heating efficiency.

[34] In addition, using the air conditioning intake guide, the path of the air drawn in by the intake intake guide is optimized, leading to an increase in air flow and a decrease in noise.

[35] In addition, in the case of the body of the air conditioning control unit to increase the air flow, the air flow increases, while the noise decreases.

Brief Description of the Drawings

[36] Figure 1 is a view of an indoor unit of an air conditioner in accordance with an embodiment of the present disclosure;

[37] figure 2 is a sectional side view of the indoor unit of the air conditioner in figure 1;

[38] figure 3 is an enlarged view of the part 'O' in figure 2;

[39] figure 4 is a sectional view from above along the line I-I in figure 2;

[40] figure 5 is a sectional view from above along the line II-II in figure 2;

[41] FIG. 6 is a block diagram of an air conditioning control system in accordance with an embodiment of the present disclosure;

[42] FIG. 7 is a sectional side view of an indoor unit of an air conditioner in accordance with an embodiment of the present disclosure;

[43] Fig. 8 is a sectional side view of an indoor unit of an air conditioner in accordance with an embodiment of the present disclosure;

[44] FIG. 9 is a top sectional view of an indoor unit of an air conditioner according to an embodiment of the present disclosure;

[45] FIG. 10 is a top sectional view of an indoor unit of an air conditioner according to an embodiment of the present disclosure;

[46] FIG. 11 is a view of an indoor unit of an air conditioner in accordance with an embodiment of the present disclosure;

[47] Fig. 12 is a sectional side view of the indoor unit of the air conditioner in Fig. 11;

[48] FIG. 13 is a perspective view of an indoor unit of an air conditioner in accordance with an embodiment of the present disclosure;

[49] Fig. 14 is a sectional side view of a portion of the indoor unit of the air conditioner in Fig. 13;

[50] FIG. 15 is an example of a supply opening of an air flow control device of the present disclosure compared to the example of FIG. 4, wherein the supply opening is formed of a plurality of openings;

[51] FIGS. 16 and 17 are an example of a supply opening of an air flow control device of the present disclosure compared to the example of FIG. 4, wherein the supply opening is formed with a variable width;

[52] FIG. 18 is an example of a supply opening of an air flow control device of the present disclosure as compared to the example of FIG. 4, wherein the supply opening is formed of a plurality of slots that extend radially;

[53] FIG. 19 is an example of a supply opening of an air flow control device of the present disclosure as compared to the example of FIG. 4, wherein the supply opening is formed of composite slots;

[54] FIG. 20 is a sectional view of a main part of an indoor unit of an air conditioner in accordance with an embodiment of the present disclosure, compared with a view in FIG. 7;

[55] FIG. 21 is a sectional view of a main part of an indoor unit of an air conditioner in accordance with an embodiment of the present disclosure, compared with a view in FIG.

[56] FIG. 22 is a cross-sectional view of a main part of an indoor unit of an air conditioner in accordance with an embodiment of the present disclosure, compared with a view in FIG.

[57] FIG. 23 is a cross-sectional view of a main part of an indoor unit of an air conditioner in accordance with an embodiment of the present disclosure, compared with a view in FIG.

[58] FIG. 24 is a cross-sectional view of a main part of an indoor unit of an air conditioner according to an embodiment of the present disclosure, compared with a view in FIG. and

[59] FIG. 25 is a cross-sectional view of a main part of an indoor unit of an air conditioner according to an embodiment of the present disclosure, compared with a view in FIG.

[60] FIG. 26 is a perspective view of an air conditioner in accordance with an embodiment of the present disclosure;

[61] Fig.27 is a bottom view of the air conditioner in Fig.26;

[62] Fig.28 is a perspective view with a spatial separation of the elements of the air conditioner in Fig.26;

[63] FIG. 29 is a cross-sectional side view along the line I-I as shown in FIG. 27;

[64] FIG. 30 is an embodiment of an air conditioner in FIG. 26;

[65] Fig. 31 is an embodiment of an air conditioner in Fig. 26;

[66] Fig. 32 is an embodiment of an air conditioner in Fig. 26;

[67] Fig. 33 is a perspective view of a drain pan in Fig. 28;

[68] Fig. 34 is an expanded view of the discharge guide rib in Fig. 33;

[69] FIG. 35 is an embodiment of an unloading guide rib in FIG. 34;

[70] FIG. 36 is an embodiment of a discharge guide rib in FIG. 33;

[71] FIG. 37 is an enlarged view of a part 'O' in FIG. 29;

[72] Fig. 38 is a perspective view with a spatial separation of the elements of the middle body and the lower body, as shown in Fig. 28;

[73] FIG. 39 shows air circulation by the air conditioning apparatus of the air conditioner of FIG. 26;

[74] FIG. 40 is a cross-sectional view of a part where an air conditioning display device of FIG. 26 is located;

[75] Fig. 41 shows the discharge opening of the air conditioner in Fig. 26;

[76] Fig. 42 is an embodiment of a discharge opening in Fig. 41 when viewed in the radial direction of discharge;

[77] Fig. 43 is an embodiment of a discharge opening in Fig. 41 when viewed in the radial direction of discharge;

[78] Fig. 44 is a perspective view of an embodiment of the discharge opening in Fig. 41;

[79] FIG. 45 is a perspective view of an embodiment of the discharge opening in FIG. 41;

[80] FIG. 46 is a bottom view of an air conditioner without the grill shown in FIG. 26;

[81] Fig. 47 is a view of a part 'A' indicated in Fig. 26, viewed from an angle from below;

[82] Fig. 48 is a view of a part 'B' shown in Fig. 26, viewed from an angle from below;

[83] Fig. 49 is an embodiment of a lower case in Fig. 48;

[84] Fig. 50 is an embodiment of a lower case in Fig. 48;

[85] Fig. 51 is a sectional view taken along line II-II in Fig. 29;

[86] FIG. 52 is a bottom view of the middle body shown in FIG. 28;

[87] FIG. 53 is an embodiment of the middle body of FIG. 51;

[88] FIG. 54 is an embodiment of the middle body of FIG. 51;

[89] FIG. 55 is an embodiment of the middle body of FIG. 51;

[90] Fig. 56 is an embodiment of a lower case in Fig. 51;

[91] FIG. 57 is an embodiment of an air conditioner in FIG. 26;

[92] FIG. 58 is an embodiment of an air conditioner in FIG. 26;

[93] Fig. 59 is a perspective view of an indoor unit of an air conditioner in accordance with an embodiment of the present disclosure;

[94] Fig. 60 is a side sectional view taken along line I-I in Fig. 59;

[95] Fig. 61 is a perspective view of a spatial separation of elements of an air conditioner in accordance with an embodiment of the present disclosure;

[96] FIG. 62 is an exploded perspective view of a lower case of an air conditioner according to an embodiment of the present disclosure;

[97] FIG. 63 is a bottom view of an air conditioner without a second lower case in accordance with an embodiment of the present disclosure;

[98] Fig. 64 is an enlarged view of the part that is shown in Fig. 60;

[99] FIG. 65 is a bottom perspective view of a separable suction panel of an air conditioner according to an embodiment of the present disclosure;

[100] FIG. 66 is a partial cross-sectional view of an air conditioning suction rail in accordance with an embodiment of the present disclosure;

[101] FIG. 67 is an exploded perspective view of some parts of an air conditioner in accordance with an embodiment of the present disclosure;

[102] FIG. 68 is a partial cross-sectional view of an air conditioning suction rail in accordance with an embodiment of the present disclosure;

[103] FIG. 69 is an exploded perspective view of a housing of a control unit in accordance with an embodiment of the present disclosure;

[104] FIG. 70 is a schematic layout of a printed circuit board in accordance with an embodiment of the present disclosure;

[105] FIG. 71 is a schematic layout of a printed circuit board assembled in a lower housing of a control unit housing in accordance with an embodiment of the present disclosure; and

[106] FIGS. 72, 73, 74, and 75 depict a wire held in a wire clip in accordance with an embodiment of the present disclosure.

The best embodiment of the invention

[107] Reference will be made in detail to embodiments, examples of which are illustrated in the accompanying drawings, with like reference numerals denoting like elements. Embodiments are described below to explain the present disclosure according to the link in the drawings.

[108] Embodiments of the present disclosure will be described in detail.

[109] FIG. 1 is a view of an indoor unit of an air conditioner in accordance with an embodiment of the present disclosure; FIG. 2 is a sectional side view of an indoor unit of an air conditioner in FIG. 1; FIG. 3 is an enlarged view of a part 'O' in FIG. 2 FIG. 4 is a top sectional view along line II of FIG. 2; FIG. 5 is a top sectional view along line II-II of FIG. 2. Speaking from a technical point of view, a sectional side view of FIG. 2 is a rotated sectional view along line III-III of FIG. 3.

[110] As shown in FIGS. 1-5, an indoor unit of an air conditioner according to an embodiment of the present disclosure will be described.

[111] The indoor unit 1 of the air conditioner can be installed on the ceiling C. At least a portion of the indoor unit 1 of the air conditioner can be mounted in the ceiling C.

[112] The indoor unit 1 of the air conditioner may include a housing 10 having an inlet 20 and an outlet 21, a heat exchanger 30 located inside the housing 10, and a blower fan 40 for circulating air.

[113] When viewed in the vertical direction, the housing 10 may be approximately circular in shape. The housing 10 may include an upper housing 11, a middle housing 12 connected to the lower portion of the upper housing 11, and a lower housing 13 connected to the lower portion of the middle housing 12. At least portions of the upper housing 11 and the middle housing 12 may be mounted in ceiling C.

[114] An air inlet 20 may be formed in the center of the lower housing 13, and an air outlet 21 may be formed around the inlet 20 and on the outside of the inlet 20. When viewed in the vertical direction, the outlet 21 may have an approximately circular shape. Specifically, the outlet 21 may include a plurality of arcs separated from each other by jumpers 70d, as seen in the vertical direction.

[115] In this design, the indoor unit 1 of the air conditioner can suck in air through the lower part, cool or heat the air, and discharge cooled or heated air from the lower part.

[116] The lower housing 13 may have a curved portion 14 creating a flotation effect for directing the air discharged through the outlet 21. A curved portion 14 creating a flotation effect can direct the air flow exiting through the outlet 21 to be held close to the curved part 14 creating the effect of flotation, and pass through the curved part 14, creating the effect of flotation.

[117] The grill 15 may be connected to the lower part of the lower housing 13 to filter dust from the air drawn into the inlet 20.

[118] The heat exchanger 30 may include a pipe 32 in which refrigerants circulate, and a collector 31 connected to the outer refrigerant pipe to supply refrigerants to the pipe 32 or collect refrigerants from the pipe 32, as shown in FIG. 5. The tube 32 may have heat exchange pins to increase the area of thermal radiation.

[119] When viewed in the vertical direction, the heat exchanger 30 may have an approximately circular shape. Specifically, the tube 32 of the heat exchanger 30 may have a circular shape. The heat exchanger 30 may be located on the drain pan 16 for condensate formed in the heat exchanger 30 to be collected in the drain pan 16.

[120] The blower fan 40 may be located on the inner side in the radial direction of the heat exchanger 30. The blower fan 40 may be a centrifugal fan that draws in air in the axial direction and discharges air in the radial direction. The indoor unit 1 of the air conditioner may include a fan motor 41 for driving the blower fan 40. The blower fan 40 may be referred to as the main fan, and the flow control fan 60, which will be described later, may be called the auxiliary fan.

[121] In this design, the indoor unit 1 of the air conditioner can suck in air from a room, cool or heat the air, and then discharge cooled or heated air back into the room.

[122] The indoor unit 1 of the air conditioner may further include an air flow control device 50 for controlling the exhaust air flow.

[123] The airflow control device 50 may adjust the direction of the discharged airflow by suctioning air around the outlet 21 to change the pressure. In addition, the airflow control device 50 can adjust the amount of intake air around the outlet 21. In other words, the airflow control device 50 can adjust the direction of the exhaust air flow by adjusting the amount of intake air around the outlet 21.

[124] Adjusting the direction of the exhaust air flow herein refers to adjusting the angle of the exhaust air flow.

[125] When air is sucked around the outlet 21, the airflow control device 50 may suck in air from one side of the direction in which the discharged airflow passes.

[126] Specifically, as shown in FIG. 3, provided that the direction in which the discharged airflow passes when the airflow control device 50 is not actuated is indicated as direction A1, the airflow control device 50 when driven can change the direction of the discharged air flow for passage in the direction A2 by suction (S) of air from one side of the direction A1.

[127] In this case, the angle of change of direction can be adjusted based on the amount of intake air. For example, the smaller the amount of intake air, the smaller the angle of change of direction, and the larger the amount of intake air, the greater the angle of change of direction.

[128] The airflow control device 50 may exhaust (D) the air drawn in from one side of the direction A1 in which the exhausted air flows. In particular, the airflow control device 50 may discharge air in the opposite direction with respect to the direction in which air was sucked in. By doing this, it can increase the angle of the discharged air flow, thereby controlling the air flow more evenly.

[129] The airflow control device 50 may suck in the airflow from the outside in the radial direction of the outlet 21 (or on top of the discharged air flow). Similarly, since the airflow control device 50 draws in air from the outside in the radial direction of the outlet 21, the discharged air stream can spread widely from the center in the radial direction of the outlet 21 to the outside in the radial direction.

[130] The airflow control device 50 may include an airflow control fan 60 for generating a suction force for suctioning air around the outlet 21, an airflow control motor 61 for driving the airflow control fan 60, and guide channels 70 for the direction of the air drawn in by the fan 60 to control the air flow.

[131] An airflow control fan 60 may be housed in the fan housing 62. In an embodiment, three fans 60 may be installed to control air flow with an angular distance of 120 ° from each other. An airflow control fan 60 is not limited to this, and more or fewer airflow control fans 60 with different locations may be provided.

[132] Although the fan 60 for controlling the air flow corresponds to a centrifugal fan in the embodiment, it is not limited thereto, and various fans, such as axial flow fans, cross-flow fans, diagonal fans, etc., can also be used as a fan 60 for controlling air flow.

[133] A guide channel 70 connects the air inlet 71 for suctioning air around the outlet 21 with the discharge opening 72 for discharging intake air. When the channel for connecting the inlet 20 and the outlet 21 is called the main channel, the guide channel 70 can be said to be formed by branching from the main channel.

[134] The inlet opening 71 may be formed on the curved portion 14 producing the flotation effect of the lower housing 13. Accordingly, the discharged air flow bent to the supply opening 71 of the lower housing 13 in accordance with the suction force of the fan 60 to control the air flow through the surface of the curved portion 14, creating the effect of flotation.

[135] The supply opening 71 may be formed of a plurality of arcuate slots. A plurality of slots may be arranged in a circumferential direction at a predetermined distance from each other.

[136] A discharge opening 72 may be located around the outlet 21 on the opposite side of the supply opening 71. Specifically, a discharge opening 72 may be formed on the fan housing 62.

[137] As described above, with this structure, the airflow control device 50 can exhaust (D) air to one side of the direction A1 in which the discharged airflow passes. Especially, the airflow control device 50 can discharge air in a direction opposite to the suction direction, thereby increasing the angle of the airflow and controlling the airflow more evenly.

[138] The guide channel 70 may include a first channel 70a formed in a circumferential direction on the outside of the housing 10 and connected to the supply hole 71, a second channel 70b extending inward radially from the first channel 70a, and a third channel 70c, formed inside the fan casing 62. A second channel 70b may be formed within the jumper 70d that intersects the outlet 21.

[139] Accordingly, air drawn in through the inlet opening 71 can be discharged from the discharge opening 72 through the first channel 70a, the second channel 70b and the third channel 70c.

[140] However, the design of the guide channel 70 is given by way of example only, and there are no restrictions on the design, shape, and location of the guide channel 70, provided that the guide channel 70 connects the air inlet 71 and the discharge opening 72.

[141] In the case of this construction, the indoor air conditioning unit according to an embodiment of the present disclosure can control the exhaust air flow without using a blade structure compared to the known indoor air conditioning unit in which the blade is located in the outlet and the air flow is controlled by rotation of the blade. Accordingly, since there is no interference due to the blade, the amount of discharge may increase, and the noise during circulation can be reduced.

[142] In addition, in contrast to the known indoor unit of the air conditioner having an outlet that must be formed in a straight shape for rotating the blade, the indoor unit of the air conditioner in accordance with embodiments of the present disclosure has an outlet that can be formed in a round shape, and, accordingly, the housing and the heat exchanger can also be formed in a round shape, thereby improving the aesthetic appearance due to the modified design. Furthermore, provided that the shape of the conventional discharge fan is round, in the embodiments of the present disclosure, the air flows more naturally, the pressure loss is reduced, and as a result, the cooling or heating efficiency of the air conditioner can be improved.

[143] FIG. 6 is a block diagram of an air conditioning control system in accordance with an embodiment of the present disclosure.

[144] The air conditioner may include a controller 92 for controlling overall operation, an input device 90 for receiving operating commands, an outside temperature sensor 91a for detecting an outdoor temperature, a room temperature sensor 91b for detecting a room temperature, an evaporator temperature sensor 91c for detecting an evaporator temperature, an indicator unit 93 for indicating various information on the outside, a compressor drive 94 for driving a compressor 95, an electronic expansion valve 96, a discharge valve actuator 97 tilyatora for driving the blower 40 and fan drive 98 to control the air stream for driving the fan 60 to control air flow.

[145] The controller 92 may receive various operating commands from the input device 90, the outdoor temperature sensor 91a, the room temperature sensor 91b and the evaporator temperature sensor 91c and send control commands to the indicator unit, compressor drive 94, electronic expansion valve, charge fan drive 97 and a fan drive 98 for controlling air flow based on the received commands and / or information.

[146] The fan drive 98 for controlling the air flow can control whether the motor 61 for controlling the air flow is driven and the driving speed in accordance with the control command from the controller 92. Due to this, it can control the amount of air to be sucked around issue 21, and the direction of the exhaust air flow.

[147] FIG. 7 is a sectional side view of an indoor unit of an air conditioner in accordance with an embodiment of the present disclosure. Referring to FIG. 7, an indoor unit of an air conditioner according to an embodiment of the present disclosure will be described. The same elements as in the aforementioned embodiment are denoted by the same reference numerals, and a repeated description will be omitted herein.

[148] The air flow control device 250 of the indoor unit 200 of the air conditioner can suck (S) air around the outlet 21 and let out (D) air sucked into the interior of the housing 10.

[149] In an embodiment, the airflow control device 250 may exhaust air sucked around the outlet 21 to the upper zones of the heat exchanger 30 in accordance with the direction in which the airflow passes. The exhaust air is cooled or heated by the heat exchanger 30 and then finally released into the room through the outlet 21.

[150] A suction inlet 271 around the air outlet 21 for discharging air into the interior of the housing 10 is formed in the lower housing 13, and a discharge opening 272 for discharging intake air is formed inside the housing 10.

[151] A guide channel 270 is formed to connect the supply hole 271 and the discharge hole 272. The guide channel 270 may include a first channel 270a formed in a circumferential direction on the outside of the housing 10 and tapering at the supply hole 271, a second channel 270b passing radially inward from the first channel 270a, a third channel 270c formed inside the fan housing 62 and a fourth channel 270d extending from the third channel 270c to the inside of the housing 10 and connected to the discharge opening 272.

[152] Accordingly, air drawn in through the supply opening 271 can be discharged from the discharge opening 272 through the first channel 270a, the second channel 270b, the third channel 270c and the fourth channel 270d.

[153] However, the design of the guide channel 270 is given only as an example, and there are no restrictions on the design, shape, and location of the guide channel 270, provided that the guide channel 270 connects the inlet opening 271 and the discharge opening 272.

[154] FIG. 8 is a cross-sectional side view of an indoor unit of an air conditioner in accordance with an embodiment of the present disclosure. Referring to FIG. 8, an indoor unit of an air conditioner according to an embodiment of the present disclosure will be described. The same elements as in the aforementioned embodiment are denoted by the same reference numerals, and a duplicate description will be omitted herein.

[155] The airflow control device 350 of the indoor unit 300 of the air conditioner can be made without the possibility of sucking in air from the outside in the radial direction of the outlet 21 (or on top of the exhaust air stream), but with the possibility of sucking air from the inside in the radial direction of the outlet 21 (or bottom of the exhaust air flow). For this, a supply air inlet 371 for suctioning air around the outlet 21 can be formed on the inside in the radial direction of the outlet 21.

[156] The air drawn in through the air inlet 371 can be discharged (D) from the discharge port 372 through the guide channel 370.

[157] Similarly, since the airflow control device 350 draws (S) air from the inner side in the radial direction of the exhaust 21, the exhaust air flow can be concentrated in the central part in the radial direction from the outer side in the radial direction of the exhaust 21.

[158] FIG. 9 is a top sectional view of an indoor unit of an air conditioner according to an embodiment of the present disclosure. With reference to FIG. 9, an indoor unit of an air conditioner according to an embodiment of the present disclosure will be described. The same elements as in the aforementioned embodiment are denoted by the same reference numerals, and a duplicate description will be omitted herein.

[159] The indoor unit 400 of the air conditioner may include a housing 410 having an inlet and outlet 421, a heat exchanger 430 located inside the housing 410, and a blower fan 440 for air circulation.

[160] When viewed in the vertical direction, the housing 410 may be approximately square in shape. An air intake inlet may be formed in the lower center of the housing 410, and an air outlet 421 may be formed around and outside the inlet.

[161] The outlet 421 may be approximately square when viewed in the vertical direction with rounded corners 421a. Unlike a known indoor unit of an air conditioner having an outlet that must have a rectilinear shape for rotating the blade, the outlet 421 in accordance with this embodiment may have such rounded corners 421a, since it does not have a blade structure.

[162] Alternatively, release 421 may have a triangular, pentagonal, hexagonal shape or the like, as opposed to a square shape.

[163] The heat exchanger 430 may include a refrigerant circulation pipe 432 and a collector 431 connected to the external refrigerant pipe to supply refrigerant pipe 432 or collect refrigerants from the pipe 432, and a blower fan 440 may be located in within the radius of the heat exchanger 430.

[164] FIG. 10 is a top sectional view of an indoor unit of an air conditioner according to an embodiment of the present disclosure. With reference to FIG. 10, an indoor unit of an air conditioner according to an embodiment of the present disclosure will be described. The same elements as in the aforementioned embodiment are denoted by the same reference numerals, and a duplicate description will be omitted herein.

[165] The indoor unit 500 of the air conditioner may include a housing 510 having an inlet and outlet 521, a heat exchanger 530 located inside the housing 510, and a blower fan 540 for air circulation.

[166] When viewed in the vertical direction, the housing 510 may be approximately square in shape. An air suction inlet may be formed in the lower center of the housing 510, and an air outlet 521 may be formed on the outside in the radial direction of the lower part of the housing 510.

[167] Release 521 may be approximately square when viewed in the vertical direction, without straight sides, but with curved sides. Unlike a known indoor unit of an air conditioner having an outlet that must have a rectilinear shape for rotation of the blade, the outlet 521 in accordance with this embodiment may have such a curved shape because it does not have a blade structure.

[168] The heat exchanger 530 may include a refrigerant circulation pipe 532 and a manifold 531 connected to the external refrigerant pipe to supply refrigerant pipe 532 or collect refrigerants from the pipe 532, and a blower fan 540 may be located in within the radius of the heat exchanger 530.

[169] Fig. 11 is a view of an indoor unit of an air conditioner in accordance with an embodiment of the present disclosure; Fig. 12 is a sectional side view of an indoor unit of an air conditioner in Fig. 11.

[170] With reference to FIGS. 11 and 12, an indoor unit of an air conditioner according to an embodiment of the present disclosure will be described. The same elements as in the aforementioned embodiment are denoted by the same reference numerals, and a duplicate description will be omitted herein.

[171] The indoor air conditioning unit 600 may be mounted on the wall C. The indoor air conditioning unit 600 may include a housing 610 having an inlet 620 and an outlet 621, a heat exchanger 630 located within the housing 610, and a blower fan 640 for circulating air.

[172] The housing 610 may include a rear housing 612 mounted on a wall W, and a front housing 611 connected to the front side of the rear housing 612.

[173] An air intake inlet 620 may be formed on the upper front side of the front housing 611, and an air exhaust outlet 621 may be formed in the lower portion of the front housing 611. In this design, the indoor air conditioning unit 600 may suck in air in its upper front parts, to cool or heat the air and to release cooled or heated air from its lower part.

[174] Like the aforementioned embodiments, the outlet 621 may have various shapes, such as a round, polygonal, curved, etc., shape. The housing 610 may have a curvilinear portion 614 creating a flotation effect for directing air discharged through the outlet 621. A curvilinear part 614 producing a flotation effect can direct the air flow exiting through the outlet 621 to hold near the curvilinear portion 614 that creates a flotation effect, and pass through the curved portion 614, creating the effect of flotation. The blower fan 630 may be a cross-flow fan.

[175] The indoor unit 600 of the air conditioner further includes an air flow control device 650 for adjusting the direction of the exhaust air flow by drawing in air around the outlet 621 to change the air pressure.

[176] The airflow control device 650 may include an airflow control fan 660 for generating a suction force for suctioning air around the outlet 621, an airflow control motor 61 for driving the airflow control fan 660, and a guide channel 670 for the direction of the air drawn in by the fan 660 to control the air flow.

[177] A guide channel 70 connects the air inlet 671 for suctioning air around the outlet 621 with a discharge opening 672 for discharging intake air. The inlet 671 may be formed on the curved portion 614, creating the effect of flotation, the housing 610.

[178] Fig. 13 is a perspective view of an indoor unit of an air conditioner in accordance with an embodiment of the present disclosure, Fig. 14 is a side sectional view of a portion of an indoor unit of an air conditioner in Fig. 13.

[179] With reference to FIGS. 13 and 14, an indoor unit of an air conditioner according to an embodiment of the present disclosure will be described. The same elements as in the aforementioned embodiment are denoted by the same reference numerals, and a duplicate description will be omitted herein.

[180] The indoor air conditioning unit 700 may be installed on floor F. The indoor air conditioning unit 700 may include a housing 710 having inlets 720 and outlets 721, a heat exchanger 730 located within the housing 710, and blowers 740 for circulating air.

[181] The housing 710 may include a front housing 711, a middle housing 712, and a rear housing 713. Air intake ports 720 may be formed on the upper, side, and rear surfaces of the rear housing 713, and air exhaust ports 721 may be formed on the front side of the front housing 711. With this design, the indoor unit 700 of the air conditioner can suck in air from above, sides and back, cool or heat the air, and let out cooled or heated air forward.

[182] Like the aforementioned embodiments, the outlet 721 may have various shapes, such as a round, polygonal, curved, etc., shape. The housing 710 may have a curved portion 714 creating a flotation effect for directing air discharged through the outlet 721. A curved portion 714 that creates a flotation effect can direct the air flow exiting through the outlet 721 to hold near the curved portion 714 that creates a flotation effect , and pass through the curved portion 714, creating the effect of flotation. The blower fan 740 may be a cross-flow fan or an axial flow fan.

[183] The indoor unit 700 of the air conditioner further includes an air flow control device 750 for adjusting the direction of the exhaust air flow by suctioning air around the outlet 721 to change the air pressure.

[184] The airflow control device 750 may include an airflow control fan 760 for generating a suction force for drawing air around the outlet 721, an airflow control motor 761 to drive an airflow control fan 760, and a guide channel 770 for the direction of the air drawn in by the fan 760 to control the air flow.

[185] A guide channel 770 connects an air inlet 771 for suctioning air around the outlet 721 with a discharge opening 772 for discharging sucked air. The inlet opening 771 may be formed on the curved portion 714, creating the effect of flotation, the housing 710.

[186] FIG. 15 is an example of a supply opening of an air flow control device of the present disclosure compared to the example of FIG. 4, wherein the supply opening is formed of a plurality of openings.

[187] As shown in FIG. 15, the air inlet 171 of the airflow control device may include rows of a plurality of small holes 172. Specifically, a series of a plurality of small holes may form an arcuate slot, and a set of at least one of such the slots may form a supply opening 171.

[188] The design of the air inlet 171 formed from a plurality of small openings 172 can prevent the absorption of dust, foreign matter, etc., through the air inlet 171.

[189] FIGS. 16 and 17 are other examples of the air inlet of the airflow control device of the present disclosure compared to the example in FIG. 4, wherein the air inlet is formed with a variable width. In Fig. 16, the width of the air inlet becomes relatively wider, and in Fig. 17, the width of the air inlet becomes relatively narrower.

[190] As shown in FIGS. 16 and 17, the air inlet 173 of the airflow control device may include at least one arcuate slot 174, which may be made with a variable width W. In other words, the degree of opening of the slot 174 may be regulated.

[191] For this, the airflow control device may include a size-variable baffle 175 for adjusting the opening degree of the slot 174. As shown in FIG. 16, when the baffle 175 is compressed to a minimum size, the slot 174 may reach a maximum width W max, and as shown in FIG. 17, when the baffle 175 expands to a maximum size, the slot 174 may reach a minimum width W min.

[192] In the case of this design, for adjusting the degree of opening of the air inlet 173, the amount of intake air through the air inlet 173 can be adjusted, and accordingly, the direction of the discharged air flow can be adjusted.

[193] FIG. 18 is an example of a supply opening of an air flow control device of the present disclosure compared to the example of FIG. 4, wherein the supply opening is formed of a plurality of slots that extend in a radial direction.

[194] As shown in FIG. 18, the air inlet 176 of the airflow control device may be formed from a plurality of slots 177 that are formed to extend in the radial direction. The plurality of slots 177 may be arranged in a circumferential direction, separated from each other by a predetermined gap.

[195] This design can reduce the air suction resistance around the outlet 21, thereby reducing the power required for air suction, that is, the number of revolutions of the fan.

[196] FIG. 19 is an example of a supply opening of an air flow control device of the present disclosure as compared to the example of FIG. 4, wherein the supply opening is formed of composite slots.

[197] As shown in FIG. 19, the air inlet 178 of the airflow control device may be formed of a plurality of arched composite slots.

[198] Each composite slot may include an inner slot 179a located on the relatively inner side in the radial direction, and an outer slot 179b located on the relatively outer side in the radial direction. The inner slot 179a and the outer slot 179b may be separated from each other by a predetermined gap.

[199] This design can facilitate accurate or reliable adjustment of the amount of intake air.

[200] The inner slot 179a and the outer slot 179b may or may not have the same width. Alternatively, the composite slot may be formed of three or more slots.

[201] Essentially, the composite slot can be made with a different number of slots, different widths, different dividing gap, etc., as necessary.

[202] FIG. 20 is a sectional view of a main part of an indoor unit of an air conditioner in accordance with an embodiment of the present disclosure, compared with a view in FIG.

[203] With reference to FIG. 20, an indoor unit of an air conditioner according to an embodiment of the present disclosure will be described. The same elements as in the above embodiments are indicated by the same reference numerals, and a duplicate description will be omitted herein.

[204] In contrast to the aforementioned embodiments, the airflow control device 450 can adjust the direction of the discharged airflow by blowing air around the outlet 21 to change the pressure. Specifically, unlike the aforementioned embodiments, in which the airflow control device controls the direction of the exhaust air flow by creating negative pressure around the outlet 21, the airflow control device 450 in accordance with this embodiment can adjust the direction of the exhaust air flow by creating positive pressure around release 21.

[205] The airflow control device 450 can adjust the amount of blown air around the outlet 21. In other words, the airflow control device 450 can adjust the direction of the blown out airflow by adjusting the amount of blown air around the outlet 21.

[206] Adjusting the direction of the exhaust air flow herein refers to adjusting the angle of the exhaust air flow. In other words, this refers to adjusting what to constrict or expand the exhaust air flow.

[207] When blowing air around the outlet 21, the air flow control device 450 may blow air from the direction in which the exhaust air flows.

[208] Specifically, as shown in FIG. 20, provided that the direction in which the discharged air stream passes when the air flow control device 450 is not actuated is indicated as direction A1, the air flow control device 450 when driven can change direction so that the discharged air flow passes in direction A2 by blowing (B) air toward direction side A1.

[209] The airflow control device 450 may blow air from the inside in the radial direction of the outlet 21 (or from the bottom of the discharged airflow). That is, while the discharged airflow is relatively narrowed when the airflow control device 450 is not actuated, the discharged airflow can relatively expand outward in the radial direction when the airflow control device 450 is driven.

[210] The airflow control device 450 may include an airflow control fan 460 for generating a blowing force to blow air around the outlet 21, an airflow control motor 461 for driving the airflow control fan 460, and a guide channel 470 for the direction of the air moved by the fan 460 to control the air flow.

[211] A guide channel 470 connects the channel 472 for blowing air around the outlet 21 with the supply opening 471 for air intake.

[212] FIG. 21 is a cross-sectional view of a main part of an indoor unit of an air conditioner in accordance with an embodiment of the present disclosure, compared with a view in FIG.

[213] With reference to FIG. 21, an indoor unit of an air conditioner according to an embodiment of the present disclosure will be described. The same elements as in the above embodiments are indicated by the same reference numerals, and a duplicate description will be omitted herein.

[214] Like the aforementioned embodiment, the airflow control device 550 can adjust the direction of the discharged airflow by blowing air around the outlet 21 to change the pressure. However, unlike the previous embodiment, the airflow control device 550 can blow air from the outside in the radial direction of the outlet 21 (or above the discharged air stream).

[215] That is, while the discharged airflow is relatively expanded when the airflow control device 550 is not actuated, the discharged airflow can relatively narrow inward in the radial direction when the airflow control device 550 is activated.

[216] The airflow control device 5505 may include an airflow control fan 560 for generating a blowing force to blow air around the outlet 21, an airflow control motor 561 to drive an airflow control fan 560, and a guide channel 570 for the direction of the air moved by the fan 560 to control the air flow. A guide channel 570 connects the channel 572 for blowing air around the outlet 21 with the supply hole 571 for air intake.

[217] FIG. 22 is a sectional view of a main part of an indoor unit of an air conditioner in accordance with an embodiment of the present disclosure, compared with a view in FIG.

[218] With reference to FIG. 22, an indoor unit of an air conditioner according to an embodiment of the present disclosure will be described. The same elements as in the above embodiments are indicated by the same reference numerals, and a duplicate description will be omitted herein.

[219] The airflow control device 650 may adjust the direction of the discharged airflow by blowing air around the outlet 21 to change the pressure. However, unlike the embodiments of FIGS. 20 and 21, in which the air flow control device controls the exhaust air flow by displacing the exhaust air flow, the air flow control device 650 can control the exhaust air flow by suction of the exhaust air flow.

[220] For this, a curvilinear flotation portion 614 is formed around the outlet 21, and the airflow control device 650 can discharge the auxiliary air flow X in a direction tangential to the curvilinear flotation portion 614.

[221] The curvilinear portion 614 producing the flotation effect can direct the auxiliary air stream X exiting through the discharge opening 672 to hold the curvilinear portion 614 producing the flotation effect near the surface and passing through the surface of the curvilinear portion 614 creating the flotation effect in according to the flotation effect. The curved portion 614, creating the flotation effect, can be formed as a whole with the housing 10, for example, the lower housing 13.

[222] The curvilinear portion 614 producing the flotation effect may have a shape that is approximately convex to the outlet 21. Accordingly, the speed of the auxiliary air flow X passing through the curvilinear portion 614 creating the flotation effect may increase and the pressure may decrease. Thus, the main air stream leaving the outlet 21, moves to the auxiliary air flow X to change its direction from A1 to A2.

[223] The direction of the auxiliary air stream X exiting through the discharge opening 672 may be tangent to the curved portion 614 producing the flotation effect, with approximately matching the direction of the main air stream.

[224] A guide channel 670 for directing the auxiliary air flow X connects the air inlet 671 for suctioning air with a discharge opening 672 for discharging sucked air. When the channel for connecting the inlet 20 and the outlet 21 is called the main channel, it can be said that the guide channel 70 is formed by branching from the main channel.

[225] A discharge opening 672 is formed adjacent to the curvilinear portion 614 producing the flotation effect, so that the auxiliary air flow X is discharged in a direction tangential to the curvilinear portion 614 creating the flotation effect. Specifically, a discharge opening 672 may be formed between the inner peripheral surface 22 of the outlet 21 and the curved portion 614 creating a flotation effect.

[226] The airflow control device 650 may blow auxiliary airflow X from the outside in the radial direction of the outlet 21 (or above the main airflow). That is, while the main exhaust air flow is relatively compressed when the air flow control device 650 is not actuated, the main exhaust air flow can relatively expand when the air flow control device 650 is activated.

[227] The airflow control device 650 may further include a fan 660 for controlling the air flow for blowing air to generate the auxiliary air flow X and an electric motor 661 for controlling the air flow for driving the fan 660 for controlling the air flow. An airflow control fan 660 is located separately from the main discharge fan 40, and a plurality of airflow control fans may be located as needed.

[228] In order to increase the force of the auxiliary air flow X sucked into the main air stream, the air flow control device 650 can increase the speed of the auxiliary air flow X. In other words, the higher the speed of the auxiliary air flow X, the greater the decrease in pressure, which can increase the suction force main stream. The secondary air flow rate X may be higher than at least the speed of the main air flow.

[229] A supply opening 671 of the guide channel 670 may be formed around the outlet 21. Accordingly, the airflow control device 650 can create an auxiliary airflow X by suctioning air around the outlet 21.

[230] FIG. 23 is a sectional view of a main part of an indoor unit of an air conditioner in accordance with an embodiment of the present disclosure, compared with a view in FIG.

[231] With reference to FIG. 23, an indoor unit of an air conditioner according to an embodiment of the present disclosure will be described. The same elements as in the above embodiments are indicated by the same reference numerals, and a duplicate description will be omitted herein.

[232] Similar to the airflow control device 650 in FIG. 22, the airflow control device 750 in this embodiment can control the exhaust air flow by blowing air around the outlet 21 to suck the exhaust air flow.

[233] However, unlike the airflow control device 650, the airflow control device 750 can blow the auxiliary airflow X from the inside in the radial direction of the outlet 21 (or from the bottom of the main air flow). That is, while the main exhaust air flow is relatively expanded when the airflow control device 750 is not actuated, the main exhaust airflow can be relatively narrowed when the airflow control device 750 is activated.

[234] A curvilinear portion 614 producing a flotation effect is formed around the outlet 21, and the airflow control device 750 can discharge the auxiliary airflow X in a direction tangential to the curvilinear portion 714 that creates the flotation effect.

[235] The curvilinear portion 614 producing the flotation effect may direct the auxiliary air stream X exiting through the discharge opening 772 to hold the curvilinear portion 714 producing the flotation effect near the surface and passing through the surface of the curvilinear portion 614 producing the flotation effect in according to the flotation effect.

[236] The curvilinear portion 614 producing the flotation effect may have a shape that is approximately convex to the outlet 21. Accordingly, the speed of the auxiliary air flow X passing through the curvilinear portion 614 creating the flotation effect may increase and the pressure may decrease. Thus, the main air stream leaving the outlet 21, moves to the auxiliary air flow X to change its direction from A1 to A2.

[237] The direction of the auxiliary air stream X exiting through the discharge opening 772 may be tangent to the curved portion 614 creating the flotation effect, with approximately matching the direction of the main air stream.

[238] A guide channel 770 for directing the auxiliary airflow X connects the supply air inlet 771 for sucking air into the discharge opening 772 for discharging sucked air.

[239] A discharge opening 772 is formed adjacent to the curvilinear portion 714 producing the flotation effect, so that the auxiliary air flow X is discharged in a direction tangential to the curvilinear portion 714 creating the flotation effect. Specifically, a discharge opening 772 may be formed between the inner peripheral surface 22 of the outlet 21 and the curved portion 714 creating a flotation effect.

[240] The airflow control device 750 may further include a fan 760 for controlling the airflow for blowing air to generate the auxiliary airflow X and an electric motor 761 for controlling the airflow for driving the fan 760 for controlling the airflow. An airflow control fan 760 is located separately from the main discharge fan 40, and a plurality of airflow control fans may be located as needed.

[241] FIG. 24 is a cross-sectional view of a main part of an indoor unit of an air conditioner in accordance with an embodiment of the present disclosure, compared with a view in FIG.

[242] With reference to FIG. 24, an indoor unit of an air conditioner according to an embodiment of the present disclosure will be described. The same elements as in the above embodiments are indicated by the same reference numerals, and a duplicate description will be omitted herein.

[243] Similar to the airflow control device 650 in FIG. 22, the airflow control device 850 in this embodiment can control the exhaust air flow by blowing air around the exhaust air exhaust port 21.

[244] However, unlike the airflow control device 650 in FIG. 22, the airflow control device 850 can generate secondary airflow X not by sucking air around the outlet 21, but by sucking air from the inside of the housing 10.

[245] Specifically, a portion of the air cooled by the heat exchanger 30 may be discharged from the discharge opening 872 through the guide channel 870 to create an auxiliary air flow X, while the rest of the air may be discharged from the outlet 21 to create the main air flow.

[246] A curvilinear flotation portion 814 is formed around the outlet 21, and the airflow control device 850 may release the auxiliary airflow X in a direction tangential to the flotation flush portion 714.

[247] A guide channel 870 for directing the auxiliary air flow X connects the air inlet 871 for suctioning air with the discharge opening 872 for discharging sucked air.

[248] The airflow control device 850 may further include a fan 860 for controlling the air flow for blowing air to generate the auxiliary air flow X and an electric motor 861 for controlling the air flow for driving the fan 860 for controlling the air flow.

[249] FIG. 25 is a sectional view of a main part of an indoor unit of an air conditioner in accordance with an embodiment of the present disclosure, compared with a view in FIG.

[250] With reference to FIG. 25, an indoor unit of an air conditioner according to an embodiment of the present disclosure will be described. The same elements as in the above embodiments are indicated by the same reference numerals, and a duplicate description will be omitted herein.

[251] Like the airflow control device 750 in FIG. 23, the airflow control device 950 in this embodiment can control the exhaust airflow by blowing air around the exhaust outlet 21 to suck out the exhaust airflow.

[252] However, unlike the airflow control device 750 in FIG. 23, the airflow control device 950 can generate an auxiliary airflow X not by sucking air around the outlet 21, but by sucking air from the inside of the housing 10.

[253] Specifically, a portion of the air in the upper regions of the heat exchanger 30 may be discharged from the discharge opening 972 through the guide channel 970 to create an auxiliary air flow X, while the rest of the air may be discharged from the outlet 21 to create the main air flow.

[254] A curvilinear flotation portion 914 is formed around the outlet 21, and the airflow control device 950 can release the auxiliary airflow X in a direction tangential to the flotation flush portion 914.

[255] A guide channel 970, which directs the auxiliary air flow X, connects the air inlet 971 for suctioning air with the discharge opening 972 for discharging sucked air.

[256] The airflow control device 950 may further include a fan 960 for controlling the airflow for blowing air to generate the auxiliary airflow X and an electric motor 961 for controlling the airflow for driving the airflow control fan 960.

[257]

[258] Fig. 26 is a perspective view of an air conditioner in accordance with an embodiment of the present disclosure, Fig. 27 is a bottom view of an air conditioner in Fig. 26, Fig. 28 is a perspective view with a spatial separation of air conditioning elements in Fig. 26, and Fig. 29 is a side sectional view taken along line II of FIG. 27.

[259] With reference to FIGS. 26-29, an air conditioner 1001 in accordance with an embodiment of the present disclosure will be described.

[260] Air conditioning 1001 may be installed on ceiling C. At least a portion of air conditioning 1001 may be integrated in ceiling C.

[261] The air conditioner 1001 may include a housing 1010 having an inlet 1020 and an outlet 1021, a heat exchanger 1030 located within the housing 1010, and a blower 1040 for circulating air.

[262] When viewed in the vertical direction, the housing 1010 may be approximately circular in shape. The housing 1010 may include an upper housing 1011 located within the ceiling, a middle housing 1012 connected to the lower portion of the upper housing 1011, and a lower housing 1013 connected to the lower portion of the middle housing 1012.

[263] An air inlet 1020 may be formed in the center of the lower housing 1013, and an air outlet 1021 may be formed around and outside the inlet 1020. When viewed in the vertical direction, the outlet 1021 may have an approximately circular shape.

[264] In this design, the air conditioner 1001 can suck in air through the bottom, cool or heat the air, and discharge cooled or heated air from the bottom.

[265] The lower housing 1013 may have a first guide plane 1014a and a second guide plane 1014b that form the outlet 1021. The first guide plane 1014a may be located adjacent to the inlet 1020, and the second guide plane 1014b may be located further from the inlet 1020 compared to the first guide plane 1014a. The first and / or second guide planes 1014a, 1014b may include a curvilinear part creating a flotation effect for directing air discharged through the outlet 1021. A curvilinear part creating a flotation effect can direct the air flow discharged through the outlet 1021 for holding nearby with a curved part creating a flotation effect, and passing through a curved part creating a flotation effect.

[266] The grill 1015 may be connected to the lower part of the lower housing 1013 to filter dust from the air drawn into the inlet 1020.

[267] A heat exchanger 1030 may be placed inside the housing and located in an air passage between the inlet 1020 and the outlet 1021. The heat exchanger 1030 may include a tube (not shown) in which refrigerants circulate, and a collector (not shown) connected to the outside tube for refrigerants, for supplying refrigerants to the tube or collecting refrigerants from the tube. The tube may have heat exchange pins to increase the heat radiation zone.

[268] When viewed in the vertical direction, the heat exchanger 1030 may have an approximately circular shape. The heat exchanger 1030 may be located on the drain pan 1016 formed in the heat exchanger 1030 to be collected in the drain pan 1016.

[269] The blower fan 1040 may be located on the inner side in the radial direction of the heat exchanger 1030. The blower fan 1040 may be a centrifugal fan that draws in air in the axial direction and discharges air in the radial direction. Air conditioning 1001 may include a fan motor 1041 for driving a blower fan 1040.

[270] In the case of this design, the air conditioner 1001 can suck in air from a room, cool or heat the air, and then discharge cooled or heated air back into the room.

[271] The air conditioning unit 1001 may further include a heat exchanger tube 1081 connected to a heat exchanger 1030 through which refrigerants pass, and a sump pump 1082 for discharging condensate collected in the drain pan 1016. A heat exchanger tube 1081 and a sump pump 1082 may be located on the upper side of the jumper 1100, which will be described below, so as not to block the inlet. Specifically, the heat exchanger tube 1081 can be reliably installed in a reliable receiving part 1016a for a sump pump located on a drain pan 1016 (see FIG. 33).

[272] As shown in FIG. 27, the air conditioner 1001 may further include jumpers 1100 that are located adjacent to the outlet 1021 and that extend no less than a predetermined length in the direction along the circumference of the outlet 1021. The jumpers 1100 may be separated by predetermined distances from each other in the direction along the circle and can be equal to three. Jumpers 1100 may be configured to connect a first guide plane 1014a and a second guide plane 1014b.

[273] If air is discharged in all directions from the outlet 1021, which has an annular shape, a relatively high pressure is created around the outlet 1021, and a relatively low pressure is created around the inlet 1020. In addition, since the air discharged in all directions from the outlet 1021 forms the air curtain, the air to be sucked in through the inlet 1020 cannot be supplied to the inlet side 1020. In this situation, the air discharged from the outlet 1021 is sucked back through the inlet 1020, which causes condensation inside the housing 10 10 and loss of exhaust air, thereby reducing the effective operation felt by the user.

[274] Jumpers 1100 in accordance with an embodiment of the present disclosure are located on an outlet 1021 to block the outlet 1021 by a predetermined length. Accordingly, the outlet 1021 can be divided by jumpers into first part S1 from which air is discharged and a second part S2 from which air is almost not discharged due to blocking by jumpers 1100. That is, jumpers 1100 can form a second part S2 for supplying air to be sucked in through inlet 1020. In addition, jumpers 1100 can evenly supply air to inlet 1020 by reducing the difference between low pressure around inlet 1020 and high pressure around outlet 1021.

[275] Jumpers 1100 may include a pair of discharge guide planes 1101 that are closer when they are adjacent to a direction in which air is discharged to minimize a second portion S2 formed by jumpers 1100. The air discharged by discharge guide planes 1101 from the outlet 1021 may exit outlet 1021 due to unloading guide planes 1101.

[276] Although the air conditioner 1001 is shown in FIG. 27 with three jumpers 1100 equidistant from each other, that is, three jumpers 1100 at a distance of 120 ° from each other, it is not limited to this, and there can only be one jumper 1100a, as shown in FIG. Alternatively, there may be two jumpers 1100b at a distance of 180 ° from each other, as shown in FIG. 31, or there may be four jumpers 1100c at a distance of 90 ° from each other, as shown in FIG. 32. A plurality of jumpers 1100, 1100b, 1100c may also be located in the direction along the circumference of the outlet 1021 at different angles to each other. Alternatively, although not shown, five or more jumpers may be located. That is, there are no restrictions on the number of jumpers.

[277] However, in order to form the second part S2 and to ensure uniform supply of air to be sucked through the inlet 1020, the total sum of the lengths of the partitions 1100, 1100a, 1100b, 1100c can be set to 5% or more, but 40% or less of the entire length release circumference. In other words, the ratio of the length of the second part S2 to the sum of the lengths of the first and second parts S1 and S2 can be set to 5% or more, but up to 40% or less.

[278] Furthermore, if a plurality of partitions 1100, 1100b, 1100c are located, the display device 1120, 1120b, 1120c may be located on the lower side of one of the partitions 1100, 1100b, 1100c.

[279] In the case of jumpers 1100, 1100a, 1100b, 1100c, the air discharged from the outlet 1021 cannot be sucked back into the outlet 1020, but can exit to cool or heat the room.

[280] As shown in FIG. 33, the air conditioner may further include an unloading guide rib 1110 located in the outlet 1021 and extending vertically in the direction in which air is discharged. Specifically, a discharge guide rib 1110 may be formed on the drain pan 1016. The drain pan 1016 may include an outlet 1021a corresponding to the outlet 1021 of the housing 1010, and a discharge guide rib 1110 may be located in the outlet 1021a to reduce the area of the outlet of the drain pan 1021a, thereby increasing the flow rate of the exhaust air through the drain outlet 1021a for plum. The discharge guide rib 1110 can direct the exhaust air so that the air discharged from the exhaust 1021 can exit at the exhaust. The unloading Guide rib 1110 may be adapted to correspond to a first part S1 of the discharge 1021, in which a jumper 1100 is not formed.

[281] In addition, the discharge guide rib 1110 may be located in the drain pan outlet 1021a for hardening the housing 1010.

[282] The discharge guide rib 1110 may include a first discharge guide rib 1111 extending in a direction along the circumference of the drain pan outlet 1021a and a second discharge guide rib 1112 extending in the radial direction of the drain pan outlet 1021a.

[283] In the case of the first discharge guide rib 11101 formed in the circumferential direction of the drain pan outlet 1021a and the second discharge guide rib 1112 formed in the radial direction of the drain pan outlet 1021a, the discharge tray outlet area 1021a can be reduced, such thus, increasing the flow rate of air passing through the outlet 1021 of the drain pan. A plurality of second unloading guide ribs 1112 may be formed.

[284] Figs. 34 and 35 show portions of a widely branched unloading guide rib 1110 shown in Fig. 33.

[285] As shown in FIG. 34, the second discharge guide rib 1112a may be tilted down to the jumper 1100, as it is located closer to the jumper 1100 when viewed in the radial direction of the drain pan outlet 1021a. Specifically, the second discharge guide rib 1112a may be connected to the first discharge guide rib 1111a so that it is inclined in the direction in which the exhaust air exits, since it is closer to either end from the center. Accordingly, the second discharge guide rib 1112a can cause the air leaving the drain pan outlet 1021a to pass to the jumper 1100, thereby minimizing the second part S2. That is, it can cause air to flow in all directions of the air conditioner 1011, if possible.

[286] As shown in FIG. 35, the second discharge guide rib 1112b may be tilted downward from the bridge 1100, since it is located closer to the bridge 1100 when viewed in the radial direction of the drain pan outlet 1021a. Specifically, the second discharge guide rib 1112b may be connected to the first discharge guide rib 1111b for tilting in the direction in which the exhaust air tapers, since the second discharge guide rib 1112b is closer to either end from the center. Accordingly, the second discharge guide rib 1112b can generate a powerful airflow by collecting air discharged from the drain pan outlet 1021a.

[287] As shown in FIG. 36, the housing 1010 may include only a second unloading guide rib 112c without a first unloading guide rib 1111.

[288] Furthermore, although not shown, the first discharge guide rib 1111 can be tilted from the inlet 1020 in the radial direction of the drain pan outlet 1021a, so that the air exiting the drain pan outlet 1021a can exit the inlet 1020 in the radial direction of the release of the drain pan 1021a.

[289] As shown in FIG. 38, the middle body 1012 may include an outlet 1021b corresponding to the outlet 1021 of the lower body 1013 and the outlet 1021a of the drain pan 1016, and in the outlet 1012b of the middle body there may be an unloading guide rib 1113 of the body corresponding to the second unloading guide rib 1112 of the drain pan 1016. The unloading guide rib 1113 of the housing can be located in the same plane with the second unloading guide rib 1112 and connected to the second unloading guide rib 1112.

[290] Fig. 37 is an enlarged view of the part 'O' in Fig. 29, Fig. 38 is a view broken down into a middle body and a lower body, as shown in Fig. 28, Fig. 39 shows air circulation by means of an air control device flow conditioner in Fig.26.

[291] As shown in FIGS. 37-39, the air conditioner 1001 may further include an air flow control device 1050 for controlling the air flow.

[292] The airflow control device 1050 can adjust the direction of the discharged airflow by sucking air around the outlet 1021 to change the pressure. In addition, the airflow control device 1050 can adjust the amount of intake air around the outlet 1021. In other words, the airflow control device 1050 can adjust the direction of the exhaust air flow by adjusting the amount of intake air around the outlet 1021.

[293] The adjustment of the direction of the exhaust air flow herein refers to the adjustment of the angle of the exhaust air flow.

[294] When air is sucked in around the outlet 1021, the airflow control device 1050 can suck in air from the side in the direction in which the exhaust air flows.

[295] Specifically, as shown in FIG. 37, provided that the direction in which the discharged air flow passes when the air flow control device 1050 is not actuated is indicated as direction A1, the air flow control device 1050 can be brought into an action for changing the direction for the exhaust air flow to pass in the direction A2 by sucking air from the side in the direction A1.

[296] In this case, the angle of change of direction can be adjusted based on the amount of intake air. For example, the smaller the amount of intake air, the smaller the angle of change of direction, and the larger the amount of intake air, the greater the angle of change of direction.

[297] The airflow control device 1050 can suck in air from the outside of the exhaust 1021 in a radial direction. Similarly, since the airflow control device 1050 draws in air from the outside of the exhaust 1021 in the radial direction, the exhaust air flow can spread widely from the center of the radial direction of the exhaust 1021 to the outside in the radial direction.

[298] The airflow control device 1050 may include an airflow control fan 1060 for generating a suction force for suctioning air around the outlet 1021, an airflow control motor 1061 for driving the airflow control fan 1060, and a guide channel 1070 for the direction of the air drawn in by the fan 1060 to control the air flow.

[300] An airflow control device 1050 may be housed in a fan housing 1062 located at the end of a jumper 1100 adjacent to the inlet 1020. In an embodiment, three airflow control fans 1060 are installed to match the number of jumpers, but the number of fans is not limited thereto, and the number and location of fans 1060 for controlling air flow can be performed in various ways, as the number and location of jumpers 1100.

[301] Although the fan 1060 for controlling air flow corresponds to a centrifugal fan in the embodiment with respect to FIG. 37, it is not limited thereto, and various other fans, such as axial flow fans, cross-flow fans, diagonal fans, etc. can also be used as a fan 1060 for air flow control.

[301] A guide channel 1070 connects an air inlet 1071 for drawing air around the outlet 1021 with a discharge opening 1072 for discharging sucked air. A portion of the guide channel 1070 may be formed on a jumper 1100.

[302] A supply opening 1071 may be formed in a second guide plane 1014b of the lower housing 1013. A discharge opening 1072 may be formed adjacent to the outlet 1021 on the opposite side with respect to the supply opening 1071. Specifically, a discharge opening 1072 may be formed on the fan housing 1062 located at the bottom of the jumper 1100.

[303] As described above, this design can allow the intake air to be discharged by the air flow control device 1050 to the opposite side in the direction A1 in which the exhaust air flows, and can increase the angle of the exhaust air flow, thereby controlling more evenly the air flow.

[304] As shown in Figs. 37 and 38, the guide channel 1070 may include a first channel 1070a formed in a circumferential direction on the outer side of the housing 1010 and tapering at the air inlet 1071, a second channel 1070b extending inward in the radial direction from the first channel 1070a, and a third channel 1070c formed inside the fan housing 1062. A second channel 1070b may be formed at a jumper 1100.

[305] Accordingly, air drawn in through the supply port 1071 can be discharged from the discharge port 1072 through the first channel 1070a, the second channel 1070b and the third channel 1070c.

[306] However, the design of the guide channel 1070 is given by way of example only, and there is no restriction on the design, shape and location of the guide channel 1070, provided that the guide channel 1070 connects the inlet port 1071 and the discharge port 1072.

[307] As shown in Figs. 37 and 39, a discharge opening 1072 may be formed to discharge air toward the lower plane 1103 of the jumper 1100. An unloading hole 1072 may be formed under the jumper 1100.

[308] If the air passing through the air inlet 1071 is cooled air, condensation may occur on the outside of the jumper 1100, that is, the lower plane 1103 of the jumper 1100, due to the temperature difference between the inside through which the cooled air passes, and the outer side of the jumper 1100, while the cooled air passes through the jumper 1100.

[309] On the other hand, in the case of the air conditioner 1001 in accordance with an embodiment of the present disclosure, since cooled air drawn in through the inlet 1071 is discharged to the bottom plane 1103 of the jumper 1100 through the discharge opening 1072 formed under the jumper 1100, the temperature difference between the inner side and the outer side of the jumper 1100 can be reduced. This can prevent condensation.

[310] As shown in FIGS. 27 and 40, the air conditioner 1001 may further include a display device 1120 under one of the plurality of jumpers 1100.

[311] The display device 1120 may display the operation status of the air conditioner 1001 to a user. Specifically, the display device 1120 may display, but not exclusively, whether the air conditioner 1001 is operating, the directions of the discharged air stream, whether the air conditioner 1001 is currently in a cooling mode or a heating mode, or various information regarding the air conditioner 1001.

[312] The display device 1120 may include an unloading guide plane 1122 having almost the same shape as the shape of the unloading guide plane 1101 of the jumper 1100. Accordingly, even the air exiting the unloading hole 1021 is adjacent to the display device 1120. may exit on release of release 1021.

[313] Although not shown, in addition to the display device 1120, one of a remote control receiver (not shown), an input device (not shown) of the air conditioner 1001, and a communication device (not shown) for communicating with an external device may also be located under a jumper 1100.

[314] In the case where the display device 1120 is located under the jumper 1100, the discharge opening 1072 cannot release air to the lower plane 1103 of the jumper 1100. Accordingly, insulating material can be located between the display device 1120 and the jumper 1100 to prevent condensation problems, which otherwise may occur on the side of the display device 1120.

[315] As shown in Figs. 39 and 41, the discharge opening 1072 may further include a discharge opening rib 1073 that extends in a direction in which air is discharged from the discharge opening 1072. In other words, the discharge opening rib 1073 can be formed by passing in the radial direction of the outlet 1021. The rib 1073 of the discharge opening may extend horizontally and / or vertically. Although there is one rib 1073 of the discharge opening extending in the vertical direction and four ribs 1073 of the discharge opening extending in the horizontal direction, there are no restrictions on the number of ribs 1073 of the discharge opening.

[316] The discharge opening rib 1073 directs the air leaving the discharge opening 1072 so that the air leaving the discharge opening 1072 can come into contact with the lower plane 1103 of the jumper 1100 and then can be discharged in approximately the same direction as exhaust air flow from issue 1021.

[317] Furthermore, when the airflow control device 1050 is not actuated, that is, when a certain amount of air discharged from the outlet 1021 is not sucked through the air inlet 1071, this may prevent the passage of a certain amount of air exiting the outlet 1021, into discharge port 1072.

[318] Fig. 42 shows an embodiment of the discharge opening in Fig. 41 when viewed in the radial direction of the outlet. Fig. 43 shows an embodiment of the discharge opening in Fig. 41, viewed in the radial direction of the outlet, Fig. 44 is a perspective view of an embodiment of the discharge opening in Fig. 41, Fig. 45 is a perspective view of an embodiment of the discharge opening in Fig. 41 .

[319] As shown in FIG. 42, the ribs 1073a of the discharge opening 1072 can only extend vertically.

[320] As shown in FIG. 43, the ribs 1073b of the discharge opening 1072 can only extend horizontally.

[321] As shown in FIG. 44, the ribs 1073c of the discharge opening 1072 that extend vertically can be slanted at predetermined angles with respect to the direction in which air is discharged, so that air discharged from the discharge opening 1072 can pass .

[322] As shown in FIG. 45, the ribs 1073d of the discharge opening 1072, which extend horizontally, can be sloped downward in a direction in which air is discharged from the discharge opening 1072, so that air discharged from the discharge opening 1072, may have approximately the same angle of inclination as the angle of inclination of the lower plane 1103 of the jumper 1100. Accordingly, air discharged from the discharge opening 1072 can evenly exit through the lower plane 1103 of the jumper 1100, thereby reducing loss air caused by a collision with the lower plane 1103 of the jumper 1100.

[323] Fig. 46 is a bottom view of the air conditioner without the grill shown in Fig. 26, Fig. 47 is a view of the part 'A' shown in Fig. 46, viewed from an angle from below, Fig. 48 is a view of the part 'B' shown in Fig. 46, when viewed from an angle from below, Fig. 49 is an embodiment of a lower case in Fig. 48, Fig. 50 is an embodiment of a lower case in Fig. 48.

[324] As shown in FIGS. 46 and 47, a fan 1060 for controlling the air flow of the air conditioner 1001 may be located under a jumper 1100 and may discharge air sucked from the inlet 1071 to the outside of the outlet 1021 in a radial direction through the discharge opening 1072. The discharge opening 1072 may be located on the opposite side with respect to the outlet 1021, on which a supply opening 1071 is formed.

[325] As shown in FIGS. 46 and 48, in the case where the display device 1120 is located under the jumper 1100, the airflow control fan 1060a is located at the end adjacent to the inlet 1020 of the jumper 110 located above the display device 1120 and is located on the inside the side of the outlet 1021 in a radial direction relative to the display device 1120.

[326] The discharge opening 1072a through which air is discharged from the fan 1060a for controlling the air flow can be located in a first guide plane 1014a to the left of the display device 1120. Specifically, in contrast to the fan case 1062 located adjacent to the jumper 1100, which does not have a display device 1120 below, the fan case 1062a containing the air flow control fan 1060a may have an opening 1063a through which air is discharged from the air control fan 1060a a flow located to the left of the display device 1120, and an extension channel 1064a configured to connect the aperture 1063a of the fan 1060a for controlling the air flow with the discharge port 1072a, about azovannym 1014a in the first guide plane. Accordingly, air drawn in through the air inlet 1071 can be discharged through the discharge opening 1072a formed to the left of the display device 1120, without interference from the display device 1120.

[327] On the other hand, as shown in FIG. 49, a discharge opening 1072b may be formed to the right of the display device 1120. In this case, the fan casing 1062b comprising the airflow control fan 1060b may have an opening 1063b through which air is discharged from the airflow control fan 1060b formed to the right of the display device 1120 and an extension channel 1064b configured to connect the aperture 1063b a fan 1060b for controlling air flow with a discharge opening 1072b formed in the first guide plane 1014a. Accordingly, air drawn in through the air inlet 1071 can be discharged through the discharge opening 1072b formed to the right of the display device 1120 without interference from the display device 1120.

[328] Alternatively, as shown in FIG. 50, a discharge opening (not shown) may be formed behind the display device 1120. In this case, air drawn in from the air inlet 1071 may be discharged into the interior of the housing 1010.

[329] Specifically, the fan case 1062c comprising the airflow control fan 1060c may have an opening 1063c through which air is discharged from the airflow control fan 1060c formed behind the display device 1120, i.e., on the inside of the case 1010 and a fourth channel (not shown) configured to connect the airflow opening 1063c of the fan 1060c to the discharge opening 1072c formed inside the housing 1010. Accordingly, the air passing through the supply air outlet TIFA 1071 may sequentially pass through the fan 1060c for controlling air flow hole 1063c 1060c fan for controlling air flow and a fourth channel and then can be discharged through the outlet.

[330] Fig. 51 is a sectional view taken along line II-II in Fig. 29; Fig. 52 is a bottom view of the middle body shown in Fig. 28; Fig. 53 is an embodiment of the middle body in Fig. 51; 54 is an embodiment of the middle case in FIG. 51, FIG. 55 is an embodiment of the middle case in FIG. 51, and FIG. 56 is an embodiment of the lower case in FIG. 51.

[331] As shown in FIGS. 51 and 52, the middle body 1012 may further include partitions 1012a dividing the guide channel 1070.

[332] Specifically, the middle body 1012 may include partitions 1012a dividing a first channel 1070a tapering at the inlet 1071. Partitions 1012a may be configured to match the number of jumpers 1100. Partitions 1012a may be located at midpoints between a plurality of jumpers 1100 in a first channel 1070a for symmetrically separating the first channel 1070a with respect to each jumper 1100. Partitions 1012a may divide a guide channel 1070 formed between a plurality of fans 1060 for controlling air flow.

[333] Specifically, as shown in FIG. 51, in the case where three jumpers 1100 ′, 1100ʺ, 1100 ″ ″ are located, partitions 1012a may be located at midpoints between the jumpers 1100 ′, 1100ʺ, 1100 ″. Accordingly, the first channel 1070a can be divided by partitions into the first part P1, the second part P2 and the third part P3, so that the air passing through the air inlet 1071 passes into the part in accordance with the state of actuation of the airflow control fans 1060 located at one end of the respective jumpers 1100 ', 1100ʺ, 1100' ''.

[334] Specifically, if the airflow control fan 1060 located at the end of the first jumper 1100 ′ is actuated, only a portion of the air discharged through the outlet 1021 corresponding to the first part P1 passes into the first duct 1070a through the air inlet 1071. If an airflow control fan 1060 located at the end of the second jumper 1100ʺ is activated, only part of the air discharged through the outlet 1021 corresponding to the second part P2 passes into the first channel 1070a through the inlet 1071. If the valve An airflow regulator 1060 located at the end of the third jumper 1100 ″ is activated, only a portion of the air discharged through the outlet 1021 corresponding to the third part P3 passes into the first duct 1070a through the air inlet 1071. Fans 1060 for controlling the air flow, located next to the corresponding jumpers 1100 ', 1100ʺ, 1100 "", can be driven independently of each other. Accordingly, as shown in FIG. 26, discharged air streams can be generated independently in three directions relative to jumpers 1100.

[335] Similarly, in the case of the embodiment depicted in FIG. 51, as many different air streams can be formed as a predetermined number of parts separated by partitions relative to the bridges 1100 ', 1100ʺ, 1100' ''.

[336] The middle body 1012 may include guiding parts 1017 formed at other ends of jumpers 1100 that are opposite one ends at which fans 1060 for controlling air flow are located. The guide parts 1017 may be located at other ends of the webs 1100 into which air drawn in around the outlet 1021 can pass. The guide parts 1017 may be formed at the point where the first and second channels 1070a and 1070b are connected. The guide parts 1017 direct air moving from the first channels 1070a to the jumper 1100 to eliminate the loss of airflow leaving the first channels 1070a located to the left and right of the jumper 1100 by preventing collision when connecting the air flows. In other words, the guide portions 1017 can direct air passing through the air inlet 1071 for uniform passage from the first channel 1070a to the second channel 1070b. The guide parts 1017 protrude to form a curved plane having a symmetrical shape with the outer peripheral surface of the middle body 1012.

[337] As shown in FIG. 53, each of the baffles 1012b may also be located at a predetermined distance from a midpoint on the first channel 1070a between the bridges 1100. In other words, the baffle 1012b may be closer to one of the bridges 1100.

[338] As shown in FIG. 54, each partition 1012c may also be located at the point where the jumper 1100 and the first channel 1070a are connected. Specifically, partitions 1012c may be located at the right ends of the webs 1100. In this case, each of the guide parts 1017c projects to form a curved plane at the right end from the webs 1100, so that air passing from the first channel 1070a formed to the left of the webs 1100 is guided to jumper 1100.

[339] In the case of the embodiment shown in FIG. 54, different air flows may be generated relative to the outlet 1021 between the plurality of jumpers 1100.

[340] As shown in FIG. 55, partitions 1012d can also be located on the left ends of the jumpers 1100. In this case, each of the guide parts 1017d projects to form a curved plane at the left end of the jumpers 1100, so that air passing from the first channel 1070a formed to the right of the jumper 1100 is sent to the jumper 1100.

[341] In the case of the embodiment shown in FIG. 55, different air currents may be generated relative to the outlet 1021 between the plurality of jumpers 1100.

[342] As shown in FIG. 56, the partitions 1012e and the guide parts 1017e may be located on the lower case 1013. In this case, the locations of the partitions 1012e and the shape of the guide parts 1017e can be determined as described above with respect to FIGS. 51-55.

[343] Fig. 57 is an embodiment of an air conditioner 1001 in Fig. 26. As for the embodiment shown in Fig. 57, similar reference numerals are used for similar elements of the air conditioner 1001 in Fig. 26, so the description will be omitted below.

[344] An air flow control device 1050 for controlling the air flow of the exhaust air by sucking air exiting the exhaust 1021 may be omitted from the air conditioner 1002 shown in FIG. 57. Accordingly, the air conditioner 1002 shown in FIG. 57 may exclude the supply opening 1071 and the discharge opening 1072.

[345] Fig. 58 is an embodiment of an air conditioner in Fig. 26. As for the embodiment shown in FIG. 58, similar reference numerals are used for similar elements of the air conditioner 1001 in FIG. 26, so a description will be omitted below.

[346] The air conditioner 1003 shown in FIG. 58 may further include an auxiliary inlet 1083 for drawing in external air in addition to the inlet 1020. The auxiliary inlet 1083 may be located on the outer peripheral surface of the upper housing 1011. The auxiliary inlet 1083 may be integrated to ceiling C. Auxiliary inlet 1083 may be located on the outside of ceiling C. External air drawn through auxiliary inlet 1083 may pass through heat exchanger 1030 and then may be discharged through outlet 10 21.

[347] Essentially, the air conditioner 1001 in accordance with the present disclosure can prevent the suction of air discharged from the exhaust 1021 back into the inlet 1020, thereby preventing condensation from forming inside the housing 1010 and increasing the effective operation of the air conditioner 1001 experienced by the user by reducing loss of exhaust air flow.

[348] Fig. 59 is a perspective view of an indoor unit of an air conditioner in accordance with an embodiment of the present disclosure ;, Fig. 60 is a sectional side view along line II of Fig. 59, Fig. 61 is a perspective view with a spatial separation of elements of an air conditioner in accordance with an embodiment of the present disclosure ;, Fig. 62 is a perspective view with a spatial separation of elements of the lower case of an air conditioner in accordance with an embodiment of the present disclosure, Fig. 63 is a bottom view of an air conditioner without a second lower case, respectively obstacle to an embodiment of the present disclosure, and 64 is - enlarged view of the part shown in fig.60.

[349] As shown in FIGS. 59-64, schematic features of an air conditioner in accordance with an embodiment of the present disclosure will be described.

[350] The indoor unit 2001 can be mounted on the ceiling C. At least a portion of the indoor unit 2001 of the air conditioner can be mounted on the ceiling C.

[351] The air conditioning indoor unit 2001 may include a housing 2010 having an inlet 2011 and an outlet 2033, a heat exchanger 2080 located within the housing 2010, and a blower fan 2040 for circulating air.

[352] When viewed in the vertical direction, the housing 2010 may be approximately circular in shape. The housing 2010 may include an upper housing 2020 located within the ceiling of C, a middle housing 2021 connected to the lower portion of the upper housing 2020, and a lower housing 2030 connected to the lower portion of the middle housing 2021.

[353] The lower housing 2030 may include a first lower outer housing 2031a located around and below the middle housing and having an annular shape, a first lower inner housing 2031b located on the inner side of the first lower outer housing 2031a in a radial direction and having an annular shape, and a second lower case 2032 connected to the lower side of the first lower inner case 2031b to close the lower side of the first lower inner case 2031b (see FIG. 62). Alternatively, the first lower inner housing 2031b and the second lower housing 2032 may be integrally formed.

[354] In the central part of the lower housing 2030, an inlet 2011 may be disposed in the form of an opening tapering from the outside to the blower fan 2040 for drawing in external air. Specifically, the central portion of the second lower housing 2032 is open, and the region tapering from the opening of the second lower housing 2032 to the blower fan 2040 allows the intake of outside air into the interior of the housing 2010.

[355] A suction panel 2015, including a suction grill 2016 formed of a plurality of openings, for closing the inlet 2011 and sucking air into the inlet 2011, may be located under the inlet 2011, and the air outlet 2033 may be formed on the outside of the suction panels 2015 in the radial direction. Seen in the vertical direction, the outlet 2033 may have an approximately circular shape.

[356] The outlet 2033 may be formed in the form of a gap formed between the first lower outer case 2031a and the first lower inner case 2031b, that is, between the first lower outer case 2031a and the first lower inner case 2031b in the radial direction. In other words, the outlet 2033 can be formed as a region formed between the inner peripheral surface of the first lower outer case 2031a and the outer peripheral surface of the first lower inner case 2031b, from the opening of the middle case 2021.

[357] However, the outlet 2033 is not limited to this, and may be any region, an opening formed on the lower body 2030, tapering from the outside so that the heat-exchanged air from the heat exchanger 2080 is discharged from the lower body 2030.

[358] With this design, the air conditioner indoor unit 2001 can suck in air through the bottom, cool or heat the air, and discharge cooled or heated air from the bottom.

[359] A curved portion creating a flotation effect for directing air discharged through the outlet 2033 may be formed on the inner peripheral surface of the first lower outer case 2031a. The curvilinear portion 2034 creating the flotation effect can direct the air flow exiting through the outlet 2033 to hold next to the curvilinear part 2034 creating the flotation effect and passing through the curvilinear part 2034 creating the flotation effect.

[360] The filter 2017 can be connected to the upper side of the suction panel 2015 to filter dust from the air sucked into the suction grill 2016.

[361] In the central part of the second lower housing 2032, a suction guide 2100 may be formed to direct air passing through the suction panel 2015 to move to the blower fan 2040. As described above, an opening is formed in the central part of the second lower housing 2032, and a suction guide 2100 may be located in the opening of the second lower housing 2032 to direct air passing into the opening to move to the blower fan 2040.

[362] When viewed in the vertical direction, the heat exchanger 2080 may have an approximately circular shape.

[363] The heat exchanger 2030 may be located on the drain pan 2090 for collecting condensate formed in the heat exchanger 2080 in the drain pan 2090.

[364] The blower fan 2040 may be located on the inner side in the radial direction of the heat exchanger 2080. The blower fan 2040 may be a centrifugal fan that draws in air in the axial direction and discharges air in the radial direction. The air conditioner indoor unit 2001 may include a blower motor 2041 for driving the blower fan 2040. It may also include a blower inlet 2042 through which air drawn in from the inlet 2011 is conveyed to the blower fan 2040.

[365] In this design, the air conditioner indoor unit 2001 can suck in air from a room, cool or heat the air, and discharge cooled or heated air back into the room.

[366] The air conditioning indoor unit 2001 may further include an air flow control device 2050 for controlling exhaust air flow.

[367] The airflow control device 2050 can adjust the direction of the discharged airflow by sucking air around the outlet 2033 to change the pressure. In addition, the airflow control device 2050 can adjust the amount of intake air around the outlet 2033. In other words, the airflow control device 2050 can adjust the direction of the exhaust air flow by adjusting the amount of intake air around the outlet 2033.

[368] The adjustment of the direction of the exhaust air flow herein refers to the adjustment of the angle of the exhaust air flow.

[369] When air is drawn in around the outlet 2033, the airflow control device 2050 can suck in air from one side of the direction in which the discharged airflow passes.

[370] Specifically, as shown in FIG. 64, provided that the direction in which the discharged air flow passes when the air flow control device 2050 is not actuated is indicated as direction A1, the air flow control device 2050 can be driven to change the direction so that the discharged air flow passes in the direction A2 by suctioning air from one side in the direction A1.

[371] In this case, the angle of change of direction can be adjusted based on the amount of intake air. For example, the smaller the amount of intake air, the smaller the angle of change of direction, and the larger the amount of intake air, the greater the angle of change of direction.

[372] The airflow control device 2050 may exhaust intake air to the opposite side with respect to a direction A1 in which the exhaust air flows. By doing this, it can increase the angle of the exhaust air flow, thereby regulating the air flow more evenly.

[373] The airflow control device 2050 may suck in air from the outside of the exhaust 2033 in a radial direction. Similarly, since the airflow control device 2050 draws in air from the outer side of the outlet 21 in the radial direction 2033, the discharged air stream can spread widely from the central part of the outlet 2033 in the radial direction to the outside in the radial direction.

[374] The airflow control device 2050 may include an airflow control fan 2060 for generating a suction force for suctioning air around the outlet 2033, an airflow control motor 2061 for driving the airflow control fan 2060, a fan housing 2062 for air flow control, which closes a fan 2060 for controlling air flow and an electric motor 2061 for controlling air flow, and a guide channel 2070 for directing air ha, the intake fan 2060 for controlling the air flow.

[375] An air flow control fan 2060 may be located inside the lower housing 2030. Specifically, the air flow control fan housing 2062 may be located in an area formed in the first lower outer housing 2031a. However, this is not limited to this, and the airflow control fan 2060 may be located inside the lower case 2030, and also be located in an area formed in the first lower inner case 2031b or the second lower case 2032, as well as the first lower outer case 2031a.

[376] In an embodiment, three fans 2060 may be installed to control airflow with an angular distance of 120 ° from each other. The airflow control fan 2060 is not limited to this, and more or less airflow control fans 60 can be installed in various locations.

[377] Although the airflow control fan 2060 corresponds to a centrifugal fan, it is not limited thereto, and various fans, such as axial flow fans, cross-flow fans, diagonal fans, etc., can also be used as a fan 60 for airflow control.

[378] A guide channel 2070 connects the air inlet 2071 for suctioning air around the outlet 2033 with the discharge opening 2072 for discharging sucked air.

[379] The supply opening 2071 may be formed on a curved portion creating a flotation effect of the first lower housing 2031.

[380] A discharge opening 2072 may be located around the outlet 2033 on the opposite side with respect to the supply opening 2071. Specifically, a discharge opening 2071 may be formed on the second lower housing 2032.

[381] As described above, this design can allow the intake air flow control device 2050 to discharge intake air to the opposite side in the direction A1 in which the exhaust air flows, and can increase the angle of the exhaust air flow, thereby controlling more evenly the air flow.

[382] The guide channel 2070 may include a first channel 2070a formed in the circumferential direction of the housing 2010 and tapering at the air inlet 2071, a second channel 2070b extending inward radially from the first channel 2070a, and a third channel 2070c formed in the region in which the fan 2060 is reliably installed to control air flow.

[383] Accordingly, air drawn in through the supply port 2071 can be discharged from the discharge port 2072 through the first channel 2070a, the second channel 2070b and the third channel 2070c.

[384] The guide channel 2070 may be formed by the middle housing 2021, the first lower housing 2031a, 2031b and the second lower housing 2032. Specifically, the first and second channels 2070a and 2070b may be formed in an inner region defined by the middle housing 2021 and the first lower housing 2031a , 2031b, and a third channel 2070c may be formed in an inner region defined by a second lower housing 2032 and a fan housing 2062 for controlling air flow.

[385] However, the design of the guide channel 2070 is given by way of example only, and there is no restriction on the design, shape, and location of the guide channel 2070, provided that the guide channel 2070 connects the air inlet 1071 and the discharge opening 2072.

[386] In the first lower outer case 2031a, jumpers 2074 may be arranged to separate the outlet 2033 and form a second channel 2070b. In an embodiment, there are three jumpers.

[387] With such a structure, the indoor air conditioner unit according to the embodiments of the present disclosure can control the exhaust air flow without a blade structure compared to the known indoor air conditioner unit in which the blade is located in the outlet and the air flow is controlled by rotation of the blade. Accordingly, since there is no interference with the blade, the amount of discharge may increase, and the noise during circulation can be reduced.

[388] In addition, in contrast to the known indoor unit of the air conditioner having an outlet that must be made in a rectilinear shape to rotate the blade, the indoor unit of an air conditioner in accordance with embodiments of the present disclosure has an outlet that can be made in a round shape, and accordingly, the casing and the heat exchanger can also be made in a circular shape, thereby improving the aesthetic appearance due to the modified design. In addition, provided that the shape of the conventional discharge fan is round, in the embodiments of the present disclosure, the air flows more naturally, the pressure loss is reduced, and as a result, the cooling or heating efficiency of the air conditioner can be increased. In the following, a suction guide 2100 will be described in detail for directing air to be sucked into the indoor unit of the air conditioner.

[389] Fig. 65 is a perspective view from below of a detachable suction panel of an air conditioner in accordance with an embodiment of the present disclosure, Fig. 66 is a partial sectional view of a suction guide of an air conditioner in accordance with an embodiment of the present disclosure, and Fig. 67 is a perspective view with a spatial separating elements of certain parts of an air conditioner in accordance with an embodiment of the present disclosure.

[390] As shown in FIG. 65, a suction guide 2100 for directing outside air passing into the housing 2010 may be located between the inlet 2011 and the blower inlet 2042.

[391] The suction guide 2100 can be made in the form of a tube between the inlet 2011 and the blower fan 2040 by passing from the inlet 2011 and the blower inlet 2042, so that outside air can pass through the inlet 2011 and pass to the blower fan 2040.

[392] The suction guide 2100 may include a guide plane 2110 extending from the inlet 2011 to the blower inlet 2042 and having a curved shape.

[393] The guide plane 2110 is part of the inner peripheral surface of the suction rail 2100 and can be formed in an annular shape that surrounds the outer peripheral surface of the inlet 2011 and extends to the inlet opening 2042 of the blower fan. In addition, the guide plane 2110 may extend through an opening 2091 formed in the central portion of the drain pan 2090 and extend from the inlet 2011 to the blower inlet 2042.

[394] The air drawn in through the inlet 2011 is guided by the guide plane 2110 to pass to the blower fan 2040 and then can be heat exchanged by the heat exchanger 2080. That is, the region formed by the guide plane 2110 may be a suction channel 2120 through which air passes.

[395] The suction guide 2100 may include a circular portion 2111 formed by a rounded and curved between the inlet 2011 and the inlet opening 2042 of the blower fan. Specifically, as shown in FIG. 65, a circular portion 2111 may be formed rounded to the inside of the housing 2010 from the inlet 2011 to the drain pan 2090.

[396] The guide plane 2110 may include a circular portion 2111 and may extend to a side adjacent to the blower fan inlet 2042. Specifically, the guide plane 2110 may be formed as an inner peripheral surface of the suction guide 2100 extending from the circular portion 2111 to the air inlet 2042 of the blower fan.

[397] The suction duct 2120 may be formed by a streamlined circular portion 2111 to ensure uniform air circulation from the inlet 2011 to the blower inlet 2042.

[398] The circular portion 2111 may be formed so that the cross-sectional area of the suction channel 2120 formed adjacent to the inlet 2011 is wider than the cross-sectional area of the suction channel 2120 formed on the side of the drain pan 2090.

[399] Specifically, the suction channel 2120 may have a curved plane in which the circular portion 2111 is convex to the inner side of the housing 2010 relative to the axis of rotation of the blower fan 2040, so that the radius of the guide plane 2110 formed adjacent to the blower inlet 2042 is smaller than the radius a guide plane 2110 formed adjacent to the inlet 2011.

[400] The circular portion 2111 is not limited to this and can be formed in a circular shape that extends from the inlet 2011 in which the inlet opening 2042 of the blower fan is located, and may include a curved plane concave to the inner side of the housing 2100 with respect to the axis of rotation of the blower fan 2040.

[401] The circular portion 2111 may begin to bend from a side adjacent to the inlet 2011 and cease to bend between the inlet 2011 and the drain pan 2090.

[402] Specifically, one side of the circular portion 2111 may be in an area located on the upper side compared to the inlet 2011, and the other side of the circular portion 2111 may be between the inlet 2011 and the drain pan 2090, the other side being bent 90 ° from one side of the round part 2111.

[403] However, the round portion 2111 is not limited to this. For example, the circular portion 2111 may begin to bend from the inlet 2011, and the other side of the circular portion 2111 may be located in the blower inlet 2042 while passing through the drain pan 2090, so that the bulge may pass to the blower inlet 2042 from the inlet 2011.

[404] Due to the circular portion 211, the guide plane 2110 does not have a plane vertical to the axis of rotation of the blower fan 2040, thereby providing uniform air flow.

[405] Since the suction rail 2100 passes through the drain pan 2090 and passes from the inlet 2011 to the blower fan inlet 2042, the drain pan 2090 cannot be opened to the outside by closing the suction rail 2100.

[406] Specifically, the outer peripheral surface of the suction rail 2100 can be formed in a direction facing the inner peripheral surface of the housing 2010 so as not to be open to the outside, and the inner peripheral surface of the suction rail 2100 can be made in a shape that tapers towards the discharge to the fan from the outside and thus cannot be opened to the outside. Accordingly, the drain pan 2090 may be located on the outer side of the outer peripheral surface of the suction rail 2100, which should not be open on the outside.

[407] In other words, the drain pan 2090 may be located in the suction channel 2120 defined by the guide plane 2110 located on the inner peripheral surface of the suction guide 2100. That is, the guide plane 2110 can be formed to separate the location of the suction channel 2120 and the pallet 2090 to drain.

[408] In the case of the known air conditioner, a portion of the drain pan is located in the suction channel 2120, which interferes with the air flow. In particular, in the case of a portion of the drain pan located vertically to the axis of rotation of the blower fan, it blocks the intake air flow, thereby reducing the amount of air passing to the blower fan and causing significant noise as a result of collision with the drain pan.

[409] In contrast, in accordance with an embodiment of the present disclosure, since the suction rail 2100 separates the drain pan 2090 from the suction channel 2120, the aforementioned problems encountered in the known air conditioner can be solved.

[410] Especially, in addition to separating the drain pan 2090, the circular portion 2111 may be located in a portion covering the drain pan 2090 so as not to block the air flow, but to provide uniform air flow to the blower fan 2040.

[411] In addition, as will be described below, the integrated parts of the indoor unit of the air conditioner 2001, such as the control unit housing 2200, can be located on the edge of the opening 2091 and closed by the suction rail 2100 so as not to be located in the suction channel 2120.

[412] Since the built-in parts, such as the drain pan 2090 and the control unit housing 2200, are closed by the suction rail 2100 and exclude a plane formed in the suction channel 2120 that is vertical to the axis of rotation of the blower fan 2040, air mobility may increase while friction noise can be minimized.

[413] In particular, in an embodiment of the present disclosure, noise generated in the suction channel 2120 can be reduced by about 1.5 dB when the indoor unit 2001 of the air conditioner is driven with the suction channel 2120 installed compared to when the indoor unit 2001 air conditioner powered without suction channel 2120.

[414] To explain the suction guide 2100 in perspective, the side opening of the blower fan 2040 formed to allow air to be sucked into the blower fan 2040 may be formed as a first inlet 2042a, a hole formed on the housing 2010 to allow air to pass to the inside of the housing 2010, may be formed as a third inlet 2011a, and an opening formed on the drain pan 2090 to allow passage of air drawn in through the third inlet 2011a may be formed as a second first inlet 2091a.

[415] The suction guide 2100 may be configured to extend from the side of the first inlet 2042a to the side of the third inlet 2011a and pass through the second inlet 2091a formed between the first and third inlets 2042a and 2011a (see FIG. 61).

[416] Since the suction guide 2100 passes through the second inlet 2091a, the suction guide 2100 separates the drain pan 2090 located on the outside of the outer peripheral surface of the suction guide 2100 from the suction channel 2120 formed by the inner peripheral surface of the suction guide 2100.

[417] In addition, the third inlet 2011a may be formed by a circular portion 2111 with a larger radius than the first inlet 2042a, and the second inlet 2091a formed between them has a smaller radius than the third inlet 2011a.

[418] An embodiment of the suction rail 2100 'will be described. The remaining elements other than the suction guide 2100 'and the drain pan 2090', as will be described below, are the same as the elements in the above embodiment, so the description will be omitted.

[419] FIG. 68 is a cross-sectional view of a portion of a suction rail of an air conditioner in accordance with an embodiment of the present disclosure.

[420] The suction guide 2100 'can be made in the form of a tube between the inlet 2011 and the drain pan 2090' by passing from one side on which the inlet 2011 is formed to the other side on which the drain pan 2090 'is located to allow passage external air through the inlet 2100 to the discharge fan 2040 through the suction rail 2100 'and the drain pan 2090'.

[421] The other side of the suction rail 2100 'can be connected to the drain hole 2091' of the drain pan 2090 'and form a tubular shape connected to the guide plane 2100' and the hole 2091 'on the inside of the housing 2010.

[422] In other words, unlike the suction channel, as described with respect to the aforementioned embodiment, the suction channel 2120 ′ may be formed by parts of the suction rail 2100 ′ and the drain pan 2090 ′. Specifically, since the guide plane 2110 'extends from the circular portion 2111 to one side of the inner peripheral surface of the drain hole 2091' of the drain pan 2090 ', the suction channel 2120' can be formed by a part extending along the guide plane 2110 'to the other side of the inner peripheral surface of the hole 2091 '2090' drain pan.

[423] The suction guide 2100 'may be configured to contact one side of the inner peripheral surface of the opening 2091' of the drip tray 2090 'without clearance. Accordingly, air can be directed and moved from the inlet 2011 to the discharge fan 2040 through the suction channel 2120 '.

[424] Since one side of the inner peripheral surface of the hole 2091 'is in contact with the guide plane 2110' without a gap, the side of the guide plane 2110 'in contact with the hole 2091' and one side of the inner peripheral surface of the hole 2091 'can have a radius one size. Accordingly, since there is no structure formed in the suction channel 2120 ′ vertically to the axis of rotation of the blower fan 2040, air can pass to the blower fan 2040 without limiting mobility.

[425] The other side of the inner peripheral surface of the opening 2091 ′ extends to the side of the supply opening 2042 of the blower fan, thereby directing air for passage to the blower fan 2040.

[426] Accordingly, in contrast to the aforementioned embodiment, even if part of the drain pan 2090 ′ is open to the suction channel 2120 ′, air can be directed to the blower fan without restricting air mobility.

[427] In other words, in the case of the known air conditioner, the portion of the drain pan located in the suction channel interferes with air mobility, but according to an embodiment of the present disclosure, the problem encountered in the known air conditioner can be solved with the help of the 2090 ′ pallet a drain forming a suction channel 2120 'including a streamlined element with a suction guide 2100' that does not interfere with air mobility.

[428] In the following, the control unit body 200 will be described in detail.

[429] Fig. 69 is an exploded perspective view of a housing of a control unit according to an embodiment of the present disclosure; Fig. 70 is a schematic layout of a printed circuit board in accordance with an embodiment of the present disclosure; Fig. 71 is a schematic layout of a printed circuit board assembled in the lower housing of the control unit housing in accordance with an embodiment of the present disclosure, and Figs. 72-75 depict a wire held in a wire clip in accordance with an embodiment of the present invention. covering.

[430] As shown in FIGS. 66-69, the control unit housing 2200 may be located on the edge side of the opening 2091 of the drain pan 2090.

[431] The control unit housing 2200 may include a curved portion 2250 corresponding to the outer peripheral surface of the opening 2091. This is to prevent the control unit housing 2200 from being located in the suction channel 2120 when the opening 2091 is located on the outer peripheral surface.

[432] Specifically, the curved portion 2250 of the control unit body 2200 can be adapted to fit the edge of the hole 2091, so that there cannot be a part of the control unit body 2200 located on the outside of the drain pan 2090, especially on the inside of the hole 2091 .

[433] In the case of the known air conditioner, the control unit body may be located on the drain pan similar to the embodiment of the present disclosure, but the control unit body is box-shaped, part of which is exposed to the outside by the guide plane 2110 of the drain pan and is located in the suction channel 2120, thus interfering with air mobility, creating noise and reducing the amount of fluid.

[434] Such problems can be solved in an embodiment of the present disclosure in which the control unit body is not open to the outside of the drain pan 2090 and thus is not located in the suction channel 2120.

[435] Furthermore, since the control unit housing 2200 includes a curved portion 2250, it may be closed by a suction guide 2100. Specifically, a curved portion 2250 may be formed to correspond to the outer peripheral surface of the hole 2091, and also to match the outer peripheral surface suction rail 2100.

[436] The outer peripheral surface of the suction rail 2100 may have a radius of curvature corresponding to the inner peripheral surface of the hole 2091, since it passes through the hole 2091, and since the curved portion 2250 includes a curved plane having a radius of curvature corresponding to the outer peripheral surface of the hole 2091, the outer peripheral surface of the suction guide 2100 and the curved portion 2250 may include their respective curved planes respectively guide shape.

[437] In the case of the curved portion 2250, the suction guide 2100 can be formed with the inner peripheral surface of the streamlined shape as a whole without further changing the shape, since the control unit housing 2200 does not have a part protruding to the inside of the suction guide 2100.

[438] The control unit housing 2200 may be located on the outside of the outlet 2091 in the radial direction to be located on the drain pan 2090 and may be located between the inlet 2011 and the drain pan 2090 with respect to the vertical direction of the indoor unit 2001 of the air conditioner.

[439] As described above, since the circular portion 2111 of the suction rail 2100 is formed between the inlet 2011 and the drain pan 2090, the housing 2200 of the housing control unit may further include a curved portion 2250 corresponding to the circular portion 2111 in the vertical direction.

[440] Specifically, when the curved portion 2250 corresponding to the hole 2091 is called the first curved portion 2251, the control unit housing 2200 may include a second curved portion 2252 that has a curved plane corresponding to the circular portion 2111 in the vertical direction.

[441] The control unit housing 2200 may be closed by a second curved portion 2252 with a suction guide 2100. Since the second curved portion 2252 has a curved plane corresponding to the circular portion 2111, the control unit housing 2200 may be located adjacent to the outer peripheral surface of the suction guide 2100.

[442] Accordingly, the suction guide 2100 can be made with the inner peripheral surface of the streamlined shape as a whole without further changing the shape, since the control unit housing 2200 does not have a part protruding to the inside of the suction guide 2100 even in the vertical direction.

[443] As shown in FIG. 69, the control unit housing 2200 may include an upper housing 2210 that has a first and second curved portion 2251 and 2252, a lower housing 2220 that has a first curved portion 2251, and a printed circuit board 2230 located between the upper and lower bodies 2210 and 2220.

[444] As shown in FIG. 70, the printed circuit board 2230 may include a first curved portion 2251. This is provided to maintain the shape of the entire housing 2200 of the control unit when the printed circuit board 2230 is installed inside the housings 2210, 2220.

[445] However, if, in contrast to the embodiment of the present disclosure, the printed circuit board 2230 is located only on part of the internal area of the housings 2210, 2220, since the printed circuit board 2230 has a smaller area than the housings 2210, 2220, the printed circuit board 2230 may not include the first curved part 2251.

[446] As shown in FIG. 71, a wire clip 2260 for holding a wire 2231 extending from the printed circuit board 2230 may be formed in the lower case 2220.

[447] The printed circuit board 2230 may be electrically connected by a wire 2231 to the internal elements of the indoor unit 2001 of the air conditioner to control the internal elements. Otherwise, if the wire 2231 is randomly located inside the housings 2210, 2220, there is a possibility that it will be damaged. The wire clip 2260 may thus be configured to arrange the wire 2231 in the proper order.

[448] The wire clamp 2260 may be located on one side or both sides of an area in which the printed circuit board 2230 is located in the lower case 2220. Along with all of the wire 2231 extending to both sides of the printed circuit board 2230, some portion may be held by the terminal 2260 for wires, while the remaining parts can extend to the outside of the housings 2210, 2220.

[449] A wire clip 2260 may be formed using three hooks 2261, 2262, and 2263 arranged in a triangle shape. However, it is not limited to this embodiment and can be formed with two hooks or four or more hooks.

[450] Provided that there is a first hook 2261 located at the top, a second hook 2262 located at the bottom left and a third hook located at the bottom right of the location of the triangle shape, the protrusions of the respective hooks 2261, 2262, 2263 can be located at the center of the location of the form the triangle.

[451] There are passage regions 2264, 2265, 2266 formed between hooks 2261, 2262, 2263 through which wire 2231 passes.

[452] When the region between the first and second hooks 2261 and 2262 is defined as the first passage region 2265, the region between the second and third hooks 2262 and 2263 is defined as the second passage region 2266, the region between the third and first hooks 2263 and 2261 is defined as the third passage region 2266, wire 2231 may extend through at least two different regions of the three passage regions 2264, 2265, 2266 and extend to the inside of the housings 2210, 2220.

[453] As shown in FIGS. 72-75, if the wire 2231 extends from the bottom of the circuit board 2230 with respect to the plane of the lower case 2220, the wire 2231 can pass through the first and second passage regions 2264 and 2265 and extend to the outside of the cases 2210, 2220 .

[454] Furthermore, if it is necessary to adjust the length of the wire 2231, since the wire 2231 is too long, the length can be adjusted by passing a portion of the wire 2231 into the third passage region 2266.

[455] If the wire 2231 extends from the top of the printed circuit board 2230, the wire 2231 can pass through the first and third passage regions 2264 and 2266 and extend to the outside of the housings 2210, 2220.

[456] Furthermore, if it is necessary to adjust the length of the wire 2231, since the wire 2231 is too long, the length can be adjusted by passing a portion of the wire 2231 into the second passage region 2265.

Claims (18)

1. An air conditioner containing a housing having an inlet and outlet; a main fan configured to suck air into the housing through the inlet and exhaust air from the housing through the exhaust; an auxiliary fan configured to draw air around the outlet into the housing to change the direction of the air leaving the housing through the outlet; and a guide channel configured to direct air drawn into the housing by an auxiliary fan. 2. The air conditioner according to claim 1, in which the housing includes a lower housing having an inlet and outlet, and a middle housing located adjacent to the lower housing, the guide channel being formed between the middle housing and the lower housing. 3. The air conditioner according to claim 1, wherein the casing includes a supply opening through which, in order to suck in air around the outlet into the guide channel, and a discharge opening through which, in order to exhaust air from the guide channel. 4. The air conditioner according to claim 3, wherein the supply opening is located farther from the center of the air conditioner than the outlet, and the discharge opening is located closer to the center of the air conditioner than the outlet. 5. The air conditioner according to claim 1, in which the guide channel includes a first channel for directing air around the outlet in the first direction in which the exhaust passes, and a second channel for directing air from the first channel in a second direction different from the first direction. 6. The air conditioner according to claim 5, in which the housing has a different outlet, and the outlets of the enclosure are separated from each other, and wherein the second channel is formed between the outlets of the enclosure. 7. The air conditioner according to claim 5, including another auxiliary fan and another guide channel including another first channel and another second channel, wherein the first channel and the second channel correspond to the auxiliary fan, and the other first channel and the other second channel correspond to another auxiliary fan. 8. The air conditioner according to claim 7, in which the housing includes a partition made with the possibility of separation of the first channel and another first channel. 9. The air conditioner according to claim 7, in which the first channel of the guide channel is symmetrical with respect to the auxiliary fan, and the other first channel of the other guide channel is symmetric with respect to the other auxiliary fan. 10. The air conditioner according to claim 5, in which the housing includes a guide part connecting the first channel and the second channel, and the direction of the air leaving the first channel to the second channel changes in the guide part. 11. The air conditioner according to claim 6, in which the housing includes a jumper located between the outlets and forming a second channel. 12. The air conditioner according to claim 11, further comprising a fan housing for accommodating the auxiliary fan, the fan housing being located on a jumper. 13. The air conditioner according to claim 11, further comprising a display device that is configured to display information and is located on a jumper. 14. The air conditioner according to claim 3, in which each of the outlet and the air inlet has an arcuate shape.

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