KR20060119616A - Air conditioner and control method of the same - Google Patents

Abstract

An air conditioner and a control method of the same are provided to minimize the discomfort sensation by discharging the hot air to the lower side of the air conditioner according to the formation of the heating blowing unit in the heating operation mode. An air conditioner comprises a main chassis(12) formed with plural blowing unit receiving units(6,8); plural blowing units mounted at the main chassis; a heat exchanger(90) for heating and cooling the air blown by the plural blowing units; and a control unit selectively driving the plural blowing units according to the cooling and heating operation. The plural blowing units contain a cooling blowing unit installed at the main chassis and a cooling blowing unit installed at the main chassis.

Description

Air conditioner and control method {Air conditioner and Control method of the same}

1 is a perspective view of the air conditioner in one embodiment of the air conditioner according to the present invention;

2 is a perspective view of the heating operation of one embodiment of an air conditioner according to the present invention;

3 is an exploded perspective view of an embodiment of an air conditioner according to the present invention;

4 is a cross-sectional view during the cooling operation of an embodiment of an air conditioner according to the present invention;

5 is a cross-sectional view during the heating operation of the air conditioner according to the embodiment of the present invention;

6 is a control block diagram of an embodiment of an air conditioner according to the present invention;

7 is a flowchart illustrating one embodiment of a method for controlling an air conditioner according to the present invention;

8 is an exploded perspective view of an example of an air conditioner according to the prior art;

9 is a cross-sectional view of an example of an air conditioner according to the prior art.

<Explanation of symbols on main parts of the drawings>

2: upper side combined air inlet 4: lower side combined air inlet

6: upper blowing unit accommodation 8: lower blowing unit accommodation

12: main chassis 14: upper air guide

16: lower air guide 19: condensate

20: front panel assembly 22: front case

24: front panel 30: upper suction unit

36: upper wind direction adjusting member 38: upper wind direction adjusting motor

40: lower suction discharge unit 46: lower wind direction adjusting member

48: lower wind direction regulating motor 52: upper filter

54: upper filter holder 56: upper filter motor

62: lower filter 64: lower filter holder

66: lower filter motor 72: blower for cooling operation

74: cooling fan 76: cooling motor

82: blower for heating operation 84: blower fan for heating

86: heating motor 90: heat exchanger

94: input unit 97: control unit

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner and a control method thereof, and more particularly, to an air conditioner and a method of controlling the air blowing unit and the heating blowing unit that are separately installed / controlled.

In general, an air conditioner uses a refrigeration cycle of refrigerant consisting of a compressor, a four-way valve, an outdoor heat exchanger (condenser or evaporator), an expansion device, and an indoor heat exchanger (evaporator or condenser) to create a more comfortable indoor environment for the user. By cooling or heating, it is largely divided into a separate type and an integrated type.

The separation type and the integrated type are functionally the same, but the separation type has a cooling / heating device, an indoor fan and an indoor fan motor installed in the indoor unit, and a heat radiation / cooling device, a compression device, an outdoor fan and an outdoor fan motor installed in the outdoor unit. The indoor and outdoor units separated from each other are connected by a refrigerant pipe, and the integrated type integrates the function of cooling heat dissipation to drill holes in the walls of the houses or directly install the devices by hanging the windows.

8 is an exploded perspective view of an example of an air conditioner according to the prior art, and FIG. 9 is a cross-sectional view of an example of an air conditioner according to the prior art.

Conventional air conditioners, as shown in Figures 8 and 9, is coupled to the chassis 102, the front of the chassis 102, the air inlet 104 and the suction grill 106 is formed, the front lower or bottom A front grill (110) having an air outlet (108) formed therein, a suction grill (112) rotatably connected to the front surface of the front grill (110), a motor (114) mounted to the chassis (102), and And a heat exchanger 118 disposed between the blower fan 116 connected to the motor 114 and the blower fan 116, the air inlet 104, and the suction grill 106.

The front grill 110 has a front air inlet 104 is formed on the front surface, the top suction grill 106 is integrally formed on the upper surface.

The front grill 110 is disposed with a pre-filter 105 for filtering foreign matter in the air sucked into the front air inlet 104.

The intake grill 112 protects the front air intake 104 and the pre-filter 105, and an upper portion thereof is rotatably connected to an upper portion of the front grill 110.

A louver for forming a condensate receiver 119 for receiving condensate dropped from the indoor heat exchanger 118 and changing the left and right wind directions of the air discharged to the air outlet 108 at an inner lower portion of the front grill 110. The discharge grill 124 including the vanes 122 for changing the upper and lower wind directions 120 is mounted.

In the conventional air conditioner configured as described above, the blowing fan 116 is rotated by the driving of the motor 114 during the cooling operation and the heating operation.

When the blower fan 116 rotates, the indoor air in front of the suction grille 112 passes through the suction grille 112 and the front air inlet 104, and foreign matter is filtered by the filter 105. It is sucked into the space between the grill 110 and the chassis 102.

In addition, indoor air above the front grille 110 is sucked into the space between the front grille 110 and the chassis 102 through the upper suction grille 106.

The indoor air sucked as described above is cooled or heated by the refrigerant passing through the indoor heat exchanger 118 while passing through the indoor heat exchanger 118, and after passing through the blower fan 116, the louver 120. ) And the vanes 122 are discharged into the room through the air outlet 108.

However, since the air conditioner according to the related art controls the motor 114 for rotating the blower fan 116 in the cooling operation and the heating operation in the same manner, it is possible to provide efficient air conditioning suitable for the respective characteristics during the cooling operation and the heating operation. There is a problem in that there is a limit to the implementation.

In addition, the air conditioner according to the prior art is the air in the room is sucked through the front and upper surfaces and cooled / heated in the heat exchanger 118 and then discharged to the room through the lower surface, if the installation height is low, cooling operation When the time when the cold air is evenly spread throughout the room is long, the installation height is high, there is a problem in that the warmth is discharged to the user's face during heating operation increases discomfort.

The present invention has been made to solve the above problems of the prior art, an object of the present invention is to provide an air conditioner capable of performing efficient air conditioning suitable for the characteristics of the cooling operation and heating operation.

Another object of the present invention is to discharge cold air to the upper portion during the cooling operation so that the cold air evenly spread throughout the room, and discharge the warmth to the lower portion during the heating operation discomfort that the user can feel when the warmth is discharged to the user's face It is an object of the present invention to provide a control method of an air conditioner that is minimized.

Air conditioner according to the present invention for solving the above problems and the main chassis formed with a plurality of air blowing unit receiving portion; A plurality of blowing units installed in the main chassis; A heat exchanger for heat-exchanging air blown by the plurality of blower units; And a control unit for selectively driving the plurality of blower units in accordance with a cooling operation and a heating operation.

The plurality of blower units may be configured to include a cooling blower unit installed in the main chassis and a heating blower unit installed in the main chassis.

The cooling air blowing unit is installed on an upper portion of the main chassis.

The heating blowing unit is characterized in that installed in the lower portion of the main chassis.

The control unit drives the cooling blower unit during the cooling operation, and drives the heating blower unit during the heating operation.

The control method of the air conditioner according to the present invention includes a cooling / heating input step of inputting a cooling / heating operation of the air conditioner; And a blowing unit driving step for driving any one of a cooling blowing unit and a heating blowing unit according to the operation input in the cooling / heating input step.

The control method of the air conditioner according to the present invention drives a cooling blower unit installed in the upper portion of the air conditioner to discharge the cold air to the upper portion of the air conditioner during the cooling operation of the air conditioner, heating operation of the air conditioner It characterized in that for driving the air blowing unit installed in the inner lower portion of the air conditioner to discharge the warmth to the lower portion of the air conditioner.

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

1 is a perspective view during the cooling operation of one embodiment of the air conditioner according to the present invention, Figure 2 is a perspective view during the heating operation of an embodiment of the air conditioner according to the present invention.

As shown in FIG. 1, the air conditioner according to the present embodiment is discharged through the upper part after the air A is sucked through the lower part and heat-exchanged therein during the cooling operation, as shown in FIG. 2. The time air B is sucked through the upper part and heat exchanged, and then discharged through the lower part.

The air conditioner (1) has an upper side combined air inlet (2) through which the cooled air (A ') is discharged during the cooling operation in the upper part and the indoor air (B) is sucked during the heating operation is formed, The lower side combined air inlet 4 through which heated air B 'is discharged during operation and air A in the room is sucked during cooling operation is formed.

Figure 3 is an exploded perspective view of one embodiment of the air conditioner according to the present invention, Figure 4 is a cross-sectional view of the air conditioner according to one embodiment of the air conditioner according to the present invention, Figure 5 is a heating of one embodiment of the air conditioner according to the present invention Sectional view when driving,

The air conditioner includes: a main chassis 12 in which a plurality of air blowing unit accommodating parts 6 and 8 are formed; A plurality of blower units (72) (82) installed in the main chassis (12); It comprises a heat exchanger 90 for heating or cooling the air (A) (B) blown by the plurality of blower units (72, 82) by heat exchange with the refrigerant.

The main chassis 12 is mounted on a mounting plate (not shown) mounted on the wall of the room.

As shown in FIGS. 4 and 5, the main chassis 12 has an upper blowing unit accommodating portion 6 formed at an upper portion thereof, and a lower blowing unit receiving portion 8 formed at a lower portion thereof.

The main chassis 12 is provided with air guides 14 and 16 to help blow air (A) and (B).

The air guides 14 and 16 may include an upper air guide 14 formed in the upper blowing unit accommodating part 6 of the main chassis 12 and a lower blowing unit accommodating part 8 of the main chassis 12. It is configured to include a lower air guide 16 formed in.

The upper air guide 14 is rounded to serve as a scroll housing of a cooling blower fan 74 to be described later.

The lower air guide 16 is rounded to serve as a scroll housing of a heating blower fan 84 to be described later.

The main chassis 12 has a condensate receiving portion 19 which receives the condensed water dropped from the heat exchanger 90 to protrude from the rear end side of the heat exchanger 90.

The air conditioner further includes a front panel assembly 20 covering the front surface of the main chassis 12.

The front panel assembly 20 forms a ventilation passage P between the main chassis 12 and the front case 22 having the front blocked, and the front panel 24 at the front of the front case 22. It is configured to include.

The front panel 24 may be attached to or detached from the front surface of the front case 22, or may be integrally formed on the front surface of the front case 22.

The front panel 24 may be configured as a display panel such as LED, LCD, organic EL, etc. that can display a variety of information of the air conditioner, and may be configured as a picture frame, etc. can be put a picture, etc. In addition, the transparent window is provided, it is also possible that the display panel is mounted on the back.

The air conditioner includes an upper suction discharging unit 30 installed above the main chassis 12 to suck or discharge air; It is configured to further include a lower suction discharging unit 40 is installed in the lower portion of the main chassis 12 to discharge or suck air.

The upper intake and discharge unit 30 is an upper wind direction control for guiding / winding the air passing through the upper stabilizer 32, the upper side combined air inlet (2) and the upper side combined air inlet (2) The member 36 is comprised.

The upper intake and discharge unit 30 is configured to include an upper wind direction control motor 38 for rotating the upper wind direction control member 36.

The upper wind direction control motor 38 is controlled to the wind direction control mode during the cooling operation, so that the wind direction of the air (A ') discharged through the upper side combined air inlet (2) is adjusted / diffused ( 4, as shown in FIG. 4, rotated between the fully open position (C) and the minimum open position (D), and controlled in the open mode during heating operation, so that as much indoor air (B) as possible is combined with the upper side As shown in FIG. 5, the upper wind direction adjusting member 36 is rotated to a fully open position C to be fixed so as to be guided to be sucked through the air entrance 2, and is controlled in a closed mode when the operation stops. In order to seal the upper side combined air inlet 2, the upper wind direction adjusting member 36 is rotated to a fully closed position E and then fixed.

The lower suction discharge unit 40 includes a lower stabilizer 42 having a condensate receiver 41 receiving the condensed water dropped from the indoor heat exchanger 90 and having the lower side combined air inlet 4 formed therein. And a lower wind direction control member 46 for guiding / winding the air passing through the lower side combined air inlet 4.

The lower suction discharging unit 40 includes a lower wind direction adjusting motor 48 for rotating the lower wind direction adjusting member 46.

The lower wind direction control motor 48 is controlled in the open mode during the cooling operation, so that the lower wind direction control member 46 is guided to suck as much indoor air A as possible through the lower side combined air inlet 4. As shown in FIG. 4, the wind direction of the air B discharged through the lower side combined air inlet 4 is controlled by the wind direction control mode during the heating operation after the rotation to the fully open position C is fixed. As shown in FIG. 5, the lower wind direction adjusting member 46 is rotated between the fully open position C and the minimum open position D so as to be adjusted / diffused, and the lower side is controlled in a closed mode when the operation stops. The lower wind direction adjusting member 46 is rotated to the fully closed position E and fixed so that the combined air inlet 4 is sealed.

As shown in FIGS. 4 and 5, the air conditioner includes an upper purifying mechanism 50 for purifying air passing through the upper side combined air inlet 2, and the lower side combined air inlet 4. And a lower purifying mechanism 60 for purifying the air passing therethrough.

The upper purifying mechanism 50 includes an upper filter 52 that filters foreign matter in the air B sucked into the upper side combined air inlet 2, and the upper filter 52 is detached from the upper side combined air inlet. And an upper filter holder 54 rotatably positioned at (2).

The upper purifying mechanism further includes an upper filter motor 56 for rotating the upper filter holder 54.

The upper filter motor 56 is mounted to the upper suction unit 30.

The upper filter motor 56 is controlled in an unpurified mode during the cooling operation of the air conditioner, so that the upper filter 52 is parallel to the upper side combined air inlet 2 as shown in FIG. 4. The upper filter holder 54 is rotated, and is controlled in a purification mode during heating operation of the air conditioner so that the upper filter 52 is orthogonal to the upper side combined air inlet 2 as shown in FIG. 5. Rotate the upper filter holder 54.

The lower purifying mechanism 60 includes a lower filter 62 that filters foreign matter in the air A sucked into the lower side combined air inlet 4, and the lower filter 62 is detached and the lower side combined air inlet. And a lower filter holder 64 rotatably positioned at (4).

The lower purifying mechanism further includes a lower filter motor 66 for rotating the lower filter holder 64.

The lower filter motor 66 is mounted to the lower suction discharge unit 40.

The lower filter motor 66 is controlled in the purification mode during the cooling operation of the air conditioner, so that the lower filter 62 is perpendicular to the lower side combined air inlet 4 as shown in FIG. 4. The filter holder 64 is rotated and controlled in an unpurified mode during heating operation of the air conditioner, so that the lower filter 62 is parallel to the lower side combined air inlet 4 as shown in FIG. 5. Rotate the lower filter holder 64.

The plurality of blower units 72 and 82 are configured to include a cooling blower unit 72 installed in the main chassis 12 and a heating blower unit 82 provided in the main chassis 12.

The cooling air blowing unit 72 is installed above the main chassis 12.

The cooling operation blower 72 rotates the cooling blower fan 74 arranged horizontally in the upper blower unit accommodating part 6 of the main chassis 12, and rotates the cooling blower fan 74. It is arranged on one side of the left and right sides of the cooling blower fan 74, and consists of a cooling motor 76 provided in the main chassis 12.

The cooling blowing fan 74 is a cross flow fan (blade flow fan) is formed so that the blades to feed the air below the upper side.

The cooling fan 74 for cooling has a left rotating shaft 74a protruding from the left end and a right rotating shaft 74b protruding from the right end.

The cooling fan 74 is one of the left side of the rotating shaft (74a) and the right side of the rotating shaft (74b) is connected to the rotating shaft (76a) of the cooling motor 76, the other side of the upper heat exchanger supporter 92 which will be described later It is inserted into the upper bearing (74c) installed in the rotatably supported by the upper bearing (74c).

The cooling motor 76 rotates the cooling blower fan 74 during the cooling operation of the air conditioner, and stops the cooling blower fan 74 during the heating operation of the air conditioner.

The cooling motor 76 is mounted to the cooling motor mounting part 12a formed in the main chassis 12.

The heating blowing unit 82 is installed below the main chassis 12.

The heating operation blower 82 is a heating blowing fan 84 arranged horizontally in the lower blowing unit receiving portion 8 of the main chassis 12 so as to be parallel to the cooling blowing fan 74, and It is comprised by the heating motor 86 arrange | positioned at one side of the left and right sides of the said heating blower fan 84, and installed in the said main chassis 12 so that the heating blower fan 84 may rotate.

The heating blower fan 84 is a cross flow fan formed so that the blades feed air above the lower side thereof.

The heating blowing fan 84 has a left rotating shaft 84a protruding from the left end and a right rotating shaft 84b protruding from the right end.

The heating blowing fan 84 has one side of the left rotating shaft 84a and the right rotating shaft 84b connected to the rotating shaft 86a of the heating motor 86, and the other side is installed at the lower heat exchanger supporter 93 described later. It is inserted into the lower bearing 84c and rotatably supported by the lower bearing 84c.

The heating motor 86 stops the heating blower fan 84 during the cooling operation of the air conditioner, and rotates the heating blower fan 72 during the heating operation of the air conditioner.

The heating motor 86 is mounted to the heating motor mounting portion 12b formed in the main chassis 12.

The heat exchanger 90 is disposed between the front of the cooling blower fan 62 and the upper side of the heating blower fan 72.

6 is a control block diagram of an embodiment of an air conditioner according to the present invention.

As shown in FIG. 6, the air conditioner includes an input unit 94 for inputting a cooling operation / heating operation of the air conditioner, and the plurality of air conditioners according to a cooling operation and a heating operation input to the input unit 98. And a control unit 97 for selectively driving the blowing units 72 and 82.

In addition, the control unit 97 is the upper wind direction control motor 38, the lower wind direction control motor 48, the upper filter motor 56, in accordance with the cooling operation and heating operation input to the input unit 94, The lower filter motor 66 is controlled, and the compressor 95 and the outdoor fan motor 96 are also controlled.

The input unit 94 may be formed on one side of the air conditioner, or may be configured as a remote control.

As shown in FIG. 4, the controller 97 turns on the cooling motor 76 of the cooling blower unit 72 and turns off the heating motor 86 of the heating blower 82 as shown in FIG. 4. In the heating operation, as shown in FIG. 5, the heating motor 86 of the heating blower unit 82 is turned on, and the cooling motor 76 of the cooling blower 72 is turned off.

Looking at the operation of the present invention configured as described above are as follows.

7 is a flowchart illustrating an embodiment of a control method of an air conditioner according to the present invention.

First, when a cooling operation or a heating operation is input through the input unit 94, the controller 97 checks the input operation.

When the cooling operation is input, the controller 97 drives the cooling blower unit 72 among the cooling blower unit 72 and the heating blower unit 72. (S1)

That is, the control unit 97 turns on the cooling motor 76 (S2).

In addition, the controller 97 controls the upper wind direction control motor 38 in a wind direction control mode, controls the lower wind direction control motor 48 in an open mode, and sets the upper filter motor 56 in an unpurified mode. Control, and the lower filter motor 66 is controlled in a purification mode.

When the cooling motor 76 is turned on, the cooling blowing fan 74 is rotated in one of a clockwise direction and a counterclockwise direction (counterclockwise direction shown in FIG. 4), and the cooling blowing fan 74 The air at the lower side of the upper side) is pumped upward by the cooling blower fan 74.

At this time, the indoor air (A) is gathered to the lower portion of the air conditioner by the negative pressure formed by the rotation of the cooling blower fan 74, and is sucked upward through the lower combined air inlet (4) Foreign substances such as dust are filtered by the lower filter 62 and are sucked between the main chassis 12 and the front panel assembly 20.

The sucked air (A) is cooled by depriving heat to the refrigerant passing through the heat exchanger (90) while passing through the blowing passage (P), and then is blown upward through the cooling blowing fan (74).

The cold air A ′ blown upward is controlled by the upper wind direction adjusting member 36 while passing through the upper side combined air inlet 2, and as shown in FIGS. 1 and 4, the air It is discharged to the front upper side of the conditioner.

The cold air A ′ discharged to the front upper side of the air conditioner is spread like a shower while spreading widely in the upper part of the room, and the room is cooled down evenly to a part far from the air conditioner.

 On the other hand, if the heating operation is input, the control unit 97 drives the heating blowing unit 82 of the cooling blowing unit 72 and the heating blowing unit 72 (S3).

That is, the control unit 97 turns on the heating motor 76 (S4).

In addition, the controller 97 controls the upper wind direction control motor 38 in an open mode, controls the lower wind direction control motor 48 in a wind direction control mode, and controls the upper filter motor 56 in a purification mode. The lower filter motor 66 is controlled in an unpurified mode.

When the heating motor 86 is turned on, the heating blowing fan 84 is rotated in a direction opposite to the direction in which the cooling blowing fan 84 is rotated (clockwise shown in FIG. 5) during the cooling operation. The air above the blowing fan 84 is pumped downward by the heating blowing fan 84.

The indoor air (B) is collected at the upper part of the air conditioner by the negative pressure formed by the rotation of the heating blower (84), and is sucked downward through the upper combined air inlet (2) and the upper filter ( 52, foreign matter such as dust is filtered out and sucked between the main chassis 12 and the front panel assembly 20.

The sucked air B is heated by depriving heat of the refrigerant passing through the heat exchanger 90 while passing through the blowing passage P, and is then blown downward through the heating blower fan 84.

The warm air B 'blown downward is controlled by the lower wind direction adjusting member 46 while passing through the lower side combined air inlet 4 and discharged to the front lower side of the air conditioner.

The warmth B ′ discharged to the front lower side of the air conditioner is widened to the lower part of the room and then raised, and the room is heated evenly to a part far from the air conditioner.

On the other hand, the air conditioner and the control method according to the present invention is a case where the combined air inlet is formed on the left and right of the air conditioner, respectively, and the cooling blower and the heating blower are installed on the left and right inside the air conditioner Of course, the present invention can be applied to, and of course, various implementations are possible within the technical scope of the present invention.

The air conditioner of the present invention configured as described above is provided with a plurality of blowing units in the main chassis, and the control unit selectively drives the plurality of blowing units according to the cooling operation and the heating operation. There is an advantage of being able to perform a suitable efficient air conditioning.

The air conditioner of the present invention has the advantage that the cooling air blowing unit is installed on the upper part of the main chassis, and can efficiently discharge cold air to the upper part of the air conditioner.

The air conditioner of the present invention has the advantage that the blowing unit for heating is installed in the lower portion of the main chassis, it can efficiently discharge the warmth to the lower portion of the air conditioner.

In the control method of the air conditioner of the present invention, the cooling unit is driven during the cooling operation to discharge cold air to the upper part of the air conditioner.

The control method of the air conditioner of the present invention is to drive the heating blower unit during heating operation to discharge the warmth to the lower part of the air conditioner, there is an advantage that the user's discomfort that the user can feel when the warmth is discharged to the face have.

Claims (7)

A main chassis in which a plurality of blowing unit accommodation portions are formed; A plurality of blowing units installed in the main chassis; A heat exchanger for heating or cooling the air blown by the plurality of blower units; And a control unit for selectively driving the plurality of blower units in accordance with a cooling operation and a heating operation. The method of claim 1, And the plurality of air blowing units comprise a cooling air blowing unit installed in the main chassis and a heating air blowing unit installed in the main chassis. The method of claim 2, The air cooling unit is an air conditioner, characterized in that installed on top of the main chassis. The method of claim 2, The air blowing unit is air conditioning, characterized in that installed in the lower portion of the main chassis. The method of claim 2, The control unit drives the cooling air blowing unit during the cooling operation, and the air conditioner characterized in that for driving the heating blowing unit during the heating operation. A cooling / heating input step of inputting cooling / heating operation of the air conditioner; And a blowing unit driving step of driving any one of a cooling blowing unit and a heating blowing unit according to the operation input in the cooling / heating input step. In the cooling operation of the air conditioner to drive a cooling blower unit installed on the upper inside of the air conditioner to discharge cold air to the upper portion of the air conditioner, A control method of an air conditioner, characterized in that for driving the air blowing unit installed in the inner lower portion of the air conditioner to discharge the warmth to the lower portion of the air conditioner during the heating operation of the air conditioner.

Images