KR100728351B1 - Wall mounted style air-conditioner having going up and down type flow guide unit with double-flap and control method of the same - Google Patents

Abstract

A wall type air conditioner with a double-flap type lifting flow guide and a control method thereof are provided to control position of the double-flap type lifting flow guide properly according to situations, thereby exposing a cover panel but avoiding exposure of outlets in the case of non-use. A wall type air conditioner with a double-flap type lifting flow guide includes a main body(100) formed with an inlet at an upper part and a discharge duct opened downward. A guide frame has a flow path(133) formed long in the traverse direction. A lower main flap(140) is fixed to the guide frame rotatively and has a width in the to and fro direction for traversing a lower part of the flow path. A narrow front flap(145) is fixed to the guide frame rotatively and has a width in the to and fro direction for traversing the flow path in parallel to the lower main flap, wherein the front flap is positioned higher than the lower main flap by a predetermined height. A flow guide unit(130) has a pair of flap power supply elements such as stepping motors(147) mounted in receiving spaces(134) for supplying power for automatic control of the flaps and operating in association with the flaps. The flow guide unit is positioned in the discharge duct when the air conditioner is not in operation, and lowered down to be exposed at a front part of the main body for guiding discharged air when the air conditioner is in operation. A lifting unit(150) is connected to the flow guide unit and moves the flow guide unit in the vertical direction.

Description

Wall Mounted Style Air-Conditioner having Going Up and Down Type Flow Guide Unit with Double-Flap and Control Method of The Same}

1 is a perspective view showing an indoor unit of a conventional wall-mounted air conditioner according to the prior art,

2 is a view schematically showing an indoor unit of a general wall-mounted air conditioner according to the prior art,

Figure 2a is a cross-sectional view showing a non-operational state of the air conditioner closed air outlet by the flap,

Figure 2b is a cross-sectional view showing the operating state of the air conditioner opening the air discharge port by the flap,

Figure 3 is a partially exploded perspective view showing a wall-mounted air conditioner according to a preferred embodiment of the present invention,

Figure 4 is a perspective view of the main body of the wall-mounted air conditioner of Figure 3 from a different angle,

5 is a cross-sectional view schematically showing a wall-mounted air conditioner according to a preferred embodiment of the present invention.

5A is a cross-sectional view at the time of non-operation in which the flow guide unit is raised;

Figure 5b is a cross-sectional view when the flow guide unit is lowered operation;

Figure 6 is an exploded perspective view showing in detail the lifting device according to an embodiment of the present invention,

7 is a perspective view showing a wall-mounted air conditioner according to a preferred embodiment of the present invention.

Figure 7a is a perspective view of the non-moving when the flow guide unit is raised,

7B is a perspective view when the flow guide unit is lowered in operation;

8 is a cross-sectional view of a flow guide unit schematically showing a flow control method according to a preferred embodiment of the present invention for each mode;

8a shows a standard mode;

8b is a diagram illustrating a concentrated mode;

8c is a view showing a downward concentration mode;

8D illustrates an auto swing mode.

* Explanation of symbols for main parts of drawings *

100: main body 110: cover panel

130: flow guide unit 140: lower main flap

150: lifting device 160: lifting means

170: elevating member 180: elevating stepping motor

185: power transmission shaft 187: reduction gear

The present invention relates to a wall-mounted air conditioner, and more particularly, in consideration of the interior aspect, the double-flap-type lifting flow to expose only the cover panel used as a decorative element to the outside through the application of the design or color when not in operation A wall-mounted air conditioner having a guide unit and a control method thereof.

A general wall-mounted air conditioner is manufactured in a separate form between the indoor unit and the outdoor unit, and is connected to each other by a pipe for circulation of refrigerant and wiring for mutual transmission of power and control signals. That is, in the condenser provided in the outdoor unit, the refrigerant having a high temperature and high pressure is cooled by heat exchange with external air, and the cooled refrigerant is supplied to the evaporator provided in the indoor unit through an expansion valve to form a mist. As the refrigerant evaporates, the indoor air is cooled to supply cool air to the indoor space.

1 is a perspective view showing an indoor unit of a conventional wall-mounted air conditioner according to the prior art, Figure 2 is a view schematically showing an indoor unit of a conventional wall-mounted air conditioner according to the prior art, Figure 2a is a air outlet is closed by the flap It is sectional drawing which shows the non-operation state of the air conditioner, and FIG. 2B is sectional drawing which shows the operation state of the air conditioner with the air discharge opening opened by the flap.

As shown in Figures 1 and 2, the indoor unit of the wall-mounted air conditioner according to the prior art, which is installed on the front side of the main body 11 and the main body 11 to form an external appearance, and forms the external appearance with the main body, It includes an openable cover panel 10 having an air inlet 12, the heat exchanger 13 is provided in the inner space surrounded by the body and the cover panel 10, the air inside the heat exchanger (13) Blowing fan 14 is provided for the forced inflow of the, made of a configuration provided with an air discharge port 17 for discharging the air introduced into the lower portion of the blowing fan 14 back to the indoor space. The air discharge port 17 is provided with a flap 15 for adjusting the wind direction of the air up and down, the flap 15 can be automatically driven by an actuator such as a motor, as shown in FIG. The flap 15 opens and closes the air outlet 17 according to the operation of the air conditioner to maintain the appearance neatly during non-operation.

The indoor unit of the wall-mounted air conditioner according to the prior art is used to cool the object space by being installed on the selected wall surface of the space requiring cooling, and generally operating the blower fan 14 inside the indoor unit while the outdoor unit is operating. The hot indoor air forced into the air inlet 12 is cooled while the surface comes into contact with the indoor heat exchanger 13 cooled by the refrigerant, and the cooled air is supplied back to the indoor space through the air outlet 17. To keep the indoor temperature comfortable.

However, the wall-mounted air conditioner having the above-described configuration has an undesirable problem in terms of interior interior due to the complicated appearance because the cover panel 10 having the air intake 12 is projected in a round shape and exposed to the front. However, it does not meet the recent trend of emphasizing not only the original functional aspects of air conditioners but also the interior aspects in consideration of harmony with the installed interior space.

Invented to solve the problems of the prior art as described above,

An object of the present invention is to prevent the air discharge port is not exposed to the outside during non-operation, so that only the cover panel used as a decorative element through the application of the design or color in consideration of the interior interior side when the non-operation is exposed to the front, as a whole The present invention provides a wall-mounted air conditioner having a double-flap type liftable flow guide unit capable of controlling the flow direction appropriately according to circumstances, and a method of controlling the same.

The present invention for realizing this,

An air inlet for air inlet is formed at an upper portion thereof and has a discharge duct open to the lower portion; And

A guide frame having a flow path formed to be long from side to side,

A lower main flap having a relatively wider forward and backward width that is rotatably fixed to the guide frame so as to traverse a lower portion of the flow path;

A front flap having a relatively narrow front and rear width that is fixed to the guide frame so as to be rotatably disposed so as to cross the flow path in parallel with the lower main flap at an upper position of the upper side by a predetermined height than the lower main flap;

It consists of a configuration including a pair of flap power providing means that are installed to interlock with the lower main flap and the front flap respectively to provide power for automatic control of each flap,

A double-flap elevating flow guide unit, comprising: a flow guide unit positioned in an inner space of the discharge duct of the main body when not in operation and guided to discharge the harmonized air to the front lower part of the main body by descending during operation. It provides a wall-mounted air conditioner.

And, it is characterized in that it further comprises a lifting device which is fixed inside the main body is connected to the flow guide unit to lift the flow guide unit.

In addition, the lower main flap is characterized in that it has a front and rear width that can completely close the horizontal section of the flow path.

In addition, the lower main flap and the front flap is characterized in that it is formed of a gentle curved cross-section inclined gradually increases toward the rear.

In addition, the lower main flap has a flap projection jaw extending rearward in a state having a step from the rear end to the upper,

The guide frame extends forward from the bottom of the base plate, characterized in that it has a rotation limit jaw to limit the rotation range of the lower main flap through the interference with the flap projection.

On the other hand, the guide frame includes a base plate which is vertically disposed at the rear and extends to the left and right, and a pair of diaphragms extending forward from the base plate at regular intervals so that a flow path is formed to the left and right to the center portion. It is characterized by.

The guide frame has a frame protrusion jaw extending rearward from the top of the base plate,

The main body has a separation prevention jaw to prevent excessive falling of the flow guide unit by interfering with the frame projection jaw on the rear surface of the protruding duct.

In addition, the guide frame is characterized in that it has a lifting device accommodating space for connecting the lifting device is not exposed to the outside at both ends of the diaphragm, respectively.

In addition, the flap power supply means is characterized in that the reverse rotation stepping motor.

In addition, the stepping motor is characterized in that it is installed in the hoisting device receiving space of one side so as not to be exposed to the outside in a state connected to interlock with each one of the lower main flap and the front flap.

On the other hand, the present invention,

In the method for controlling the flow of a wall-mounted air conditioner having a double-flap lifting type guide unit,

A standard mode for controlling the lower main flap and the front flap to be arranged in parallel with each other to have a gentle slope;

A front concentration mode for controlling the lower main flap and the front flap to be arranged in parallel in a horizontal direction so that the wind direction is forward;

A lower concentration mode for controlling the lower main flap to be arranged to have a steep inclination and controlling the front flap to be disposed substantially vertically so that the wind direction is biased downward; And

The lower main flap is controlled to have a gentle inclination as in the standard mode, and the front flap is controlled to reciprocate within a certain angle range, so that the wind direction is continuously changed. Provided is a flow control method of a wall-mounted air conditioner having a double-flap type lifting type guide unit.

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

Figure 3 is a partially exploded perspective view showing a wall-mounted air conditioner according to a preferred embodiment of the present invention, Figure 4 is a perspective view showing the main body of the wall-mounted air conditioner of Figure 3 from another angle, Figure 5 is a preferred embodiment of the present invention Figure 5a is a cross-sectional view schematically showing a wall-mounted air conditioner according to an example, Figure 5a is a cross-sectional view when the flow guide unit is not up, Figure 5b is a cross-sectional view when the flow guide unit is moved down, Figure 6 is a preferred An exploded perspective view showing in detail the elevator apparatus according to the embodiment.

Wall-mounted air conditioner having a lifting type flow guide unit according to a preferred embodiment of the present invention, as shown in Figure 3, the main body 100 is built with a large number of parts including an evaporator, like the indoor unit of a large general wall-mounted air conditioner ), The cover panel 110 covering the front of the main body, and the lifting and lowering of the flow guide unit 130, which is located inside the main body when not in operation and descends to the lower part of the main body during operation, and is exposed to the outside. It consists of a configuration including the lifting device 150 to.

As shown in FIG. 5, the main body 100 has a grille-type air inlet 103 for inlet air and a discharge duct 105 open to the lower part, and exchanges heat with the air sucked therein. An evaporator 107 and a blowing fan 109 for introducing and discharging air are provided. In addition, the discharge duct 105, as shown in Figure 4, is formed long in the center of the lower portion of the main body 100 from left to right, and formed in the form of open to the lower side on both sides of the discharge duct 105 of the lower body Lifting means 160 of the lifting device 150 to be described later has a separate installation space 106 for installing in a form that is not exposed to the outside.

Cover panel 110 is installed to cover the front of the main body, to have a decorative element that can be expressed in a pattern or color on the front to maintain a clean and beautiful appearance to achieve harmony with the interior space is installed To help.

The flow guide unit 130 is in the state of being located in the discharge duct 105 of the main body 100 when not in operation, and is lowered by the elevating device 150 during operation to be exposed to the outside by blowing the evaporator 107 and the air blowing It serves to guide the harmonized air through the fan 109 to be discharged to the front lower portion of the main body 100, consisting of a guide frame 135, the lower main flap 140 and the front flap 145. It includes a pair of flaps.

As shown in FIGS. 3 and 5, the guide frame 135 is disposed vertically at the rear to extend the base plate 131 which extends from side to side, and a predetermined interval so that the flow path 133 is formed at the center portion. The elevating member constituting a pair of diaphragms 132 extending forward from the base plate 131 and the upper ends of the diaphragm 132 at both ends, respectively, to form an elevating means 160 to be described later. It consists of a configuration including a lifting device receiving space 134 on the left and right so that 170 is connected in an unexposed form. In addition, the lower main flap 140 and the front flap 145 are respectively disposed in parallel with each other so as to cross the flow path 133 is rotatably fixed at both ends to the guide frame 135.

In more detail, the lower main flap 140 is rotatably fixed at both ends to the guide frame 135 so as to cross the lower portion of the flow path 133, and completely closes the horizontal section of the flow path 133. It is formed to have a relatively wide front-back width so that it can. In addition, the lower main flap 140 is formed to have a gentle curved cross-section inclined gradually increases toward the rear.

On the other hand, the lower main flap 140 is formed to have a flap projection jaw 141 further extended to the rear in the state having a step from the rear end to the upper, correspondingly, the guide frame 135 is the bottom of the base plate 131 Extends forward and has a rotation limiting jaw 136 that limits the range of rotation of the lower main flap 140 through interference with the flap protrusion 141.

The front flap 145 is rotatably fixed to both ends of the guide frame 135 so that the flow path 133 in parallel with the lower main flap 140 at the front side of the upper side by a predetermined height than the lower main flap 140. It is disposed to traverse, and is formed to have a front and rear width that is relatively narrower than the lower main flap 140. In addition, the front flap 145 is also formed to have a gentle curved cross-section inclined gradually increases toward the rear.

The flow guide unit 130 as described above is a pair of forward and reverse rotation that is installed in one lifting device receiving space to be interlocked with each flap 140, 145 as a flap power providing means to provide power for automatic control of the flap. By including the type stepping motor 147, it is possible to control the flow direction automatically by independently controlling the direction of each flap 140,145.

The pair of stepping motors 147 are installed in the lifting device accommodation space 134 on one side so as not to be exposed to the outside in a state connected to interlock with one ends of the lower main flap 140 and the front flap 145, respectively. It provides power for the automatic control of the flaps 140 and 145, thus allowing to control the direction of the discharged flow in various ways.

In addition, the guide frame 135 has a frame protrusion 137 extending rearward from the top of the base plate 131, the main body 100 interferes with the frame protrusion 137 on the rear of the protruding duct 105 Having a departure stop 108, it is structurally prevented from excessively falling of the flow guide unit 130.

The elevating device 150 is connected to both ends of the flow guide unit 130 and serves to elevate the flow guide unit 130. As shown in FIGS. 3 and 6, the elevating unit 160 is largely provided. , Lifting power providing means, and power transmission means.

Lifting means 160 is composed of a pair of left and right, respectively fixed fixing bracket 165 is fixed in a form that is not exposed to the inside inside each installation space 106 open to the lower formed on both side ends of the main body 100 and The upper and lower lifting members are constrained to be movable up and down in each fixing bracket 165 and the lower is coupled to the corresponding one lifting device accommodation space 134 of the flow guide unit 130 without being exposed to the outside ( 170). Each of the fixing brackets 165 has a restraining protrusion 167 protruding toward the corresponding lifting member 170, and each lifting member 170 has a restraining protrusion 167 to be restrained by the restraining protrusion 167. The guide slot 173 is formed to have a left and right width and a predetermined vertical length corresponding to the diameter of the. In addition, each elevating member 170 has a rack gear portion 174 consisting of a plurality of teeth each successive up and down, and thus can be moved up and down by receiving power in a gear driving method.

Lifting power providing means is to provide power for the Shanghai East to a pair of left and right lifting means 160, as shown in Figures 3 and 6, one pinion 183 is provided on the output shaft 181 It consists of a stepping motor 180 for the positive and negative rotation type lifting. The elevating stepping motor 180 provides uniform rotational power to both the left and right elevating members 170 by the power transmission means to be described later in a state where it is mounted on the fixed bracket 165 on one side.

The power transmission means is for transmitting the rotational force of the elevating stepping motor 180 to the elevating member 170, and the power transmission shaft 185 of a predetermined length to which both ends are rotatably fixed to each of the fixing brackets 165, respectively. , Power transmission to mesh with the gear reduction gear 187 having a larger diameter than the pinion 183 installed on the power transmission shaft 185 to engage with the pinion 183 and the rack gear portion 174 of each elevating member 170. It includes a pair of feed gear (189) having a diameter smaller than the reduction gear 187, respectively provided on both ends of the shaft 185 and having the same number of teeth. The pinion 183 and the reduction gear 187 may be manufactured to have a gear ratio such as, for example, 1: 2, so that the torque can be increased instead of reducing the rotational speed, and thus a relatively small one for lifting Even through the stepping motor, it is possible to provide sufficient rotational force to the two transfer gears 189 engaged with each elevating member 170. In addition, by providing the same rotational power to the elevating member 170 on both sides by one power transmission shaft 185 to enable precise horizontal maintenance control during the rise or fall of the flow guide unit 130.

On the other hand, as another embodiment related to the lifting power providing means, the lifting power providing means is configured in the form including a pair of forward and reverse rotatable stepping motor to provide power to each of the lifting members 170 independently It is also possible to do. At this time, the stepping motor 180 is provided in a form that does not include the power transmission means to directly engage with the rack gear portion 174 through the pinion 183, even if the power transmission means are included both lifting members It is provided in a form that does not include a power transmission shaft 185 for transmitting a rotational force to each lifting stepping motor 180 is directly engaged with the transfer gear (189) engaged with the rack gear portion 174 through the pinion (183). It can be done.

In addition, as another embodiment related to the power transmission means, except for the reduction gear 187 included in the power transmission means in the above embodiment, the stepping motor 180 for direct elevating via the pinion 183 transfer gear ( It is also possible to provide rotational power by connecting 189).

Figure 7 is a perspective view showing a wall-mounted air conditioner according to a preferred embodiment of the present invention, Figure 7a is a perspective view of the non-moving movement of the flow guide unit, Figure 7b is a perspective view of the operation when the flow guide unit is lowered.

As shown in FIG. 7, the wall-mounted air conditioner according to the present invention is more neat and beautiful as the flow guide unit 130 is located inside the discharge duct 105 and is not exposed to the front when not in operation. It is preferable in terms of interior by providing an exterior, and during operation, the flow guide unit 130 is exposed to the lower portion of the main body 100 while being discharged to discharge air in harmony to the front lower portion, thereby smoothly performing the original function of the air conditioner. Done. In other words, it is not only desirable in terms of functionality, but also has a very desirable appearance in terms of interior that enables the viewer to provide visual and comfort in harmony with the interior space.

8 is a cross-sectional view of a flow guide unit schematically illustrating a flow control method according to a preferred embodiment of the present invention, in which FIG. 8A illustrates a standard mode, and FIG. 8B illustrates a forward concentration mode. 8C is a view showing a downward concentration mode, and FIG. 8D is a diagram illustrating an auto swing mode.

The wall-mounted air conditioner according to the present invention as described above, by using the lower main flap 140 and the front flap 145 included in the flow guide unit 130 to control the flow direction in a variety of ways.

That is, the standard mode for controlling the lower main flap 140 and the front flap 145 to be disposed parallel to each other to have a gentle inclination, the lower main flap 140 and the front flap 145 to be arranged in parallel to the horizontal Front concentration mode to direct the wind direction to the front, the lower main flap 140 is controlled to be arranged to have a steep inclination and the front flap 145 is controlled to be arranged roughly vertically downward direction so that the wind direction is biased downward Mode, and the lower main flap 140 is controlled so as to have a gentle slope as in the standard mode, and the front flap 145 to control the reciprocating rotation within a certain angle range to the automatic swing mode to continuously change the wind direction It can be controlled in a way that includes.

In more detail, as shown in FIG. 8A, generally, when operation starts, the discharged air starts to be discharged in the standard mode. In the standard mode, the flow guide unit 130 is lowered to the lower part of the main body. In the lower main flap 140 and the front flap 145 is controlled to be parallel to each other to have a gentle inclination, so that the flow is directed in a direction having a gentle inclination toward the front lower portion.

And, as shown in Figure 8b, if the front focus mode is selected as necessary, the lower main flap 140 completely blocks the downward flow and the front flap 145 does not obstruct the forward flow as much as possible So as to be parallel to the lower main flap 140 so that the flow can be concentrated forward. Such a forward concentration mode, in particular, in the case of a combined air-conditioning and air conditioning, cold air can be used as a cooling concentrated mode in consideration of the high density properties.

In addition, as shown in FIG. 8C, when the downward concentration mode is selected as necessary, the front flap 145 is controlled to be disposed substantially vertically to block the flow toward the front and the lower main flap 140 is urgently inclined. Control to be arranged so that the wind direction can be concentrated in the downward direction. Such a downward concentration mode, in particular in the case of a combined air conditioning and heating, hot air can be used in the heating concentrated mode in consideration of the low density properties.

In addition, as shown in FIG. 8D, when the downward concentration mode is selected as necessary, the lower main flap 140 is controlled to have a gentle inclination as in the standard mode, and the front flap 145 is in a predetermined angle range. By controlling the reciprocating rotation in accordance with a predetermined pattern within the wind direction to change continuously, it is possible to control to supply the discharge air evenly to the indoor space.

By providing a wall-mounted air conditioner with a double-flap-type lift-type flow guide unit according to the present invention as described above, only the cover panel used as a decorative element through the application of the design or color in consideration of the interior interior side when not in operation By exposing it to the front so that the exterior can be finished neatly and luxuriously as a whole, it is to provide satisfaction not only to the functional aspect but also to the interior aspect to the person living in the installed interior space.

In addition, by using the front flap and the lower main flap to control the flow in a variety of ways to be able to efficiently control the flow direction according to the user's taste.

Claims (14)

An air inlet for air inlet is formed at an upper portion thereof and has a discharge duct open to the lower portion; And A guide frame having a flow path formed to be long from side to side, A lower main flap having a relatively wider forward and backward width that is rotatably fixed to the guide frame so as to traverse a lower portion of the flow path; A front flap having a relatively narrow front and rear width that is rotatably fixed to the guide frame so as to traverse the flow path parallel to the lower main flop at a position above the lower main flop by a predetermined height, It consists of a configuration including a pair of flap power providing means that are installed to interlock with the lower main flap and the front flap respectively to provide power for automatic control of each flap, A double-flap elevating flow guide unit, comprising: a flow guide unit positioned in an inner space of the discharge duct of the main body when not in operation and guided to discharge the harmonized air to the front lower part of the main body by descending during operation. Wall-mounted air conditioner. The method of claim 1, And a lifting device fixed to the inside of the main body and connected to the flow guide unit to lift and lower the flow guide unit. The method of claim 2, The lower main flap is a wall-mounted air conditioner having a double-flap lifting type flow guide unit, characterized in that it has a front and rear width that can completely close the horizontal section of the flow path. The method of claim 3, wherein The lower main flap and the front flap is a wall-mounted air conditioner having a double-flap elevating flow guide unit, characterized in that formed in a gentle curved cross-section inclined gradually increases toward the rear. The method of claim 4, wherein The lower main flap has a flap protrusion jaw extending rearward in a state having a step from the rear end to the upper end, The guide frame is provided with a double-flap elevating flow guide unit which extends forward from the bottom of the base plate and has a rotation limit jaw for limiting the rotation range of the lower main flap through interference with the flap projection jaw. Wall-mounted air conditioner. The method according to any one of claims 1 to 5, The guide frame includes a base plate which is vertically disposed at the rear and extends from side to side, and a pair of diaphragms extending forward from the base plate at regular intervals to form a flow path extending from side to side in the center portion. Wall-mounted air conditioner with a double-flap lifting type guide unit. The method of claim 6, The guide frame has a frame protrusion jaw extending rearward from the top of the base plate, The main body is a wall-mounted air conditioner having a double-flap lifting type flow guide unit having a release prevention jaw to prevent excessive falling of the flow guide unit in the rear of the protruding duct interference with the frame protrusion. The method of claim 7, wherein The guide frame is a wall-mounted air conditioner having a double-flap elevating flow guide unit, characterized in that it has a lifting device accommodating space for connecting the elevating device in a form not exposed to the outside at both ends of the diaphragm. The method according to any one of claims 1 to 5, The flap power providing means is a wall-mounted air conditioner having a double-flap lifting and lowering guide unit, characterized in that the stepping motor capable of reverse rotation. The method of claim 9, The guide frame includes a base plate which is vertically disposed at the rear and extends from side to side, and a pair of diaphragms extending forward from the base plate at regular intervals to form a flow path extending from side to side in the center portion. Wall-mounted air conditioner with a double-flap lifting type guide unit. The method of claim 10, The guide frame has a double-flap type lifting type guide unit, characterized in that it has a left and right lifting device receiving space for connecting the lifting device in the form that is not exposed to the outside at both ends of the diaphragm, respectively. Type air conditioner. The method of claim 11, The stepping motor is provided with a double-flap elevating flow guide unit, characterized in that it is installed in the lifting device receiving space of one side so as not to be exposed to the outside in a state connected to interlock with one end of each of the lower main flap and the front flap. One wall-mounted air conditioner. The method of claim 12, The guide frame has a base protruding jaw extending from the top of the base plate to the rear, The main body is a wall-mounted air conditioner having a double-flap lifting type flow guide unit having a release prevention jaw to prevent excessive falling of the flow guide unit in the rear of the protruding duct interference with the frame protrusion. In the method of controlling the flow of a wall-mounted air conditioner having a double-flap type lifting flow guide unit, A standard mode for controlling the lower main flap and the front flap to be arranged in parallel with each other to have a gentle slope; A front concentration mode for controlling the lower main flap and the front flap to be arranged in parallel in a horizontal direction so that the wind direction is forward; A lower concentration mode for controlling the lower main flap to be arranged to have a steep inclination and controlling the front flap to be disposed substantially vertically so that the wind direction is biased downward; And The lower main flap is controlled to have a gentle inclination as in the standard mode, and the front flap is controlled to reciprocate within a certain angle range, so that the wind direction is continuously changed. A flow control method for a wall-mounted air conditioner having a double-flap lifting type guide unit.

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