KR20120097673A - Air conditioning system - Google Patents

Abstract

PURPOSE: An air conditioner is provided to control the rotary speed of a blower fan so that the wind similar to natural wind is supplied for users. CONSTITUTION: An air conditioner comprises an indoor heat exchanger, a blower fan, a driving motor, and a control unit. The blower fan sucks the indoor air, and sends the air to the heat exchanger. The driving motor drives the blower fan. The control unit controls the driving motor in order that the blower fan is operated in an operation mode. The operation mode comprises a ventilation section, in which the rotary speed of the blower fan increases and decreases with a predetermined pattern.

Description

[0001] AIR CONDITIONING SYSTEM [0002]

The present invention relates to an air conditioner that can provide wind close to natural wind.

The present invention relates to an air conditioner and a control method of the air conditioner. The air conditioner may refer to a device for heating, cooling, purifying, and ventilating indoor air in an air conditioning space. In addition, it may also mean a narrow device having at least one indoor unit and at least one outdoor unit for cooling or heating the indoor air to cool or heat the room.

In the latter narrow air conditioner, the outdoor unit is separated from the indoor unit, and the indoor unit installed in the air conditioning space may be provided with an indoor heat exchanger and a blowing fan. The blowing fan sucks indoor air to heat-exchange the refrigerant and the indoor air in an indoor heat exchanger, and then blows the air back into the room to cool or heat the room.

The blowing fan may be driven by a motor, and the user may control the air conditioner so that the room is cooled or heated by a desired operating temperature and air volume. The air conditioner may include a control unit to control the angle of the vane or the like when the rotational speed or air volume of the blower fan and the wind direction adjusting unit are provided.

In general, the human body feels more comfortable with natural wind than the wind provided by an air conditioner or a blower. In some cases, continuous exposure to artificially created winds can cause side effects such as headaches.

This may be due to the fact that the air volume or wind speed of the air conditioner or the blower is constant, unlike the natural wind, or the pattern is artificial.

Of course, the air conditioner or the blower may be provided with a blowing mode that simulates the natural wind, but the characteristics of the natural wind could not be sufficiently reflected by changing the simple wind speed at predetermined time intervals.

Accordingly, there is a need for an air conditioner that provides wind close to natural wind by controlling the rotational speed of the blower fan of the air conditioner and the wind direction of the air conditioner.

The present invention can be made to solve the problem to provide an air conditioner that can provide a close wind and natural wind.

In order to solve the above problems, the present invention provides a plurality of heat exchangers, a blowing fan that sucks indoor air and blows them into the indoor heat exchanger, a driving motor for driving the blowing fan, and a rotation speed of the blowing fan in a predetermined pattern. And a control unit for controlling the driving motor to operate in an operation mode including a plurality of blowing sections that increase and decrease times.

In addition, in order to solve the above problems, the present invention is a blowing fan to suck the indoor air and blow it to the indoor heat exchanger, at least one vane for changing the direction of the wind blown by the blowing fan, the blowing fan and It provides an air conditioning apparatus including a control unit for controlling the blowing fan and the vanes are operated for a plurality of operating cycles so that the vanes each have a different operating cycle in a predetermined pattern.

According to the air conditioner according to the present invention, it is possible to blow wind similar to the natural wind.

In addition, according to the air conditioner according to the present invention, it is possible to blow wind similar to the natural wind, it is possible to minimize the fatigue caused by the use of the air conditioner to the user of the air conditioner.

In addition, the air conditioner according to the present invention does not require a separate configuration for blowing wind similar to the natural wind, it is possible to increase the merchandise at the same cost.

1 is a schematic configuration diagram of an air conditioner according to the present invention.
2 is a perspective view showing an operating state of the indoor unit of the air conditioner according to the present invention.
3 may show a cross-sectional view of the indoor unit near each discharge port.
Figure 4 may show a period associated with the wind speed and the wind direction of the air conditioner according to the present invention.
Figure 5 may show the relationship between the rotational speed (rpm) of the blower fan drive motor according to the operating time in a specific operating mode of the air conditioner according to the present invention.
Figure 6 may show the relationship with the angle of rotation of the horizontal vane according to the operating time in the specific operating mode of the air conditioner according to the present invention.
Figure 7 may show the relationship with the angle of rotation of the vertical vane according to the operating time in the specific operating mode of the air conditioner according to the present invention.
Figure 8 shows the rotational speed of the other blower fan motor, the angle of rotation of the horizontal vanes and the autoswing of the vertical vanes with respect to the same time axis during the time in the specific operating mode of the air conditioner according to the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments described herein but may be embodied in other forms. Rather, the embodiments disclosed herein are provided so that the disclosure can be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Like numbers refer to like elements throughout.

1 is a simplified configuration diagram of an air conditioner 1000 according to the present invention. In general, at least one indoor unit 100 may be connected to one outdoor unit 200 in a separate air conditioner. The air conditioner illustrated in FIG. 1 may describe an example in which one indoor unit 100 is connected to one outdoor unit 200 for convenience of description. The indoor unit 100 may cool or heat the room by heat-exchanging the indoor air and the refrigerant.

The indoor unit 100 constituting the air conditioner 1000 may be classified into a detachable type and an integrated type according to whether the indoor unit 100 is integrally formed with the outdoor unit, and the detachable type may be classified into a stationary type, a wall hanging type, and a ceiling embedded type. In FIG. 1, a stationary indoor unit 100 mounted vertically to an installation surface is shown.

The stationary indoor unit shown in FIG. 1 generally has a narrow and long form. Therefore, the suction port 130 in which the indoor air is sucked is provided in the lower part of the indoor unit, and the discharge port 130 in which the heat-exchanged air is discharged is provided in the lower part of the indoor unit.

When not in use, the suction port 130 and the discharge port 130 may be equipped with a cover for shielding the suction port and the discharge port in a slide or rotation manner.

The outdoor unit 200 constituting the air conditioner includes an outdoor heat exchanger (not shown) for heat exchange between outdoor air and a refrigerant, a compressor (not shown) for compressing the refrigerant, and outdoor air in the outdoor heat exchanger (not shown). A blower fan (not shown) may be provided to suck outdoor air to exchange heat and to blow air to the outdoor heat exchanger.

In addition, the indoor unit 100 constituting the air conditioner includes an indoor heat exchanger (not shown) for exchanging outdoor air and a refrigerant, and indoor air suctioned so that the indoor air is heat exchanged in the indoor heat exchanger (not shown). Blowing fan (not shown) may be provided to blow to the heat exchanger side.

In addition, the indoor unit 100 and the outdoor unit 200 may be connected by a refrigerant pipe 180. The refrigerant pipe 180 may include a refrigerant pipe and a communication cable for circulating the refrigerant.

The indoor unit 100 and the outdoor unit 200 of the separate air conditioner may be installed at spaced apart locations by the refrigerant pipe 180.

2 is a perspective view showing an operating state of the indoor unit of the air conditioner according to the present invention.

As shown in FIG. 2, the indoor unit of the air conditioner according to the present embodiment may be configured to include a housing 110 forming an appearance.

The housing 110 may include at least one suction port 130 through which air is sucked. In the embodiment shown in Figure 1, it is shown that the indoor unit has a suction port 130 under the indoor unit.

Indoor air may be sucked through the suction port 130. Of course, a plurality of suction ports may be provided at the same time.

The housing 110 may have vertical discharge holes 120a formed at both front surfaces of the upper portion thereof. The indoor unit of the separate air conditioner includes a wall-mounted or upright type, and is mainly used for cooling at home, and thus, the discharge port 120 may be provided on the upper portion of the housing 110 so that the cooled air can be easily spread. have.

In addition, the indoor unit illustrated in FIG. 2 may include a horizontal discharge port 120b on the upper portion of the housing 110. The horizontal discharge port 120b may be configured to be long in the horizontal direction.

Accordingly, the upright indoor unit of the air conditioner shown in FIG. 2 has two vertical discharge holes 120a on the upper side of the housing and one horizontal discharge hole 120b on the upper part of the indoor unit, and one on the bottom of the housing. The suction port 130 may be provided.

The outlet of the indoor unit 100 of the general air conditioner may be provided with a vane 140 for adjusting the wind direction. That is, it is provided inside the discharge port can be rotated in a predetermined manner to change the direction of the wind discharged through the discharge port.

Also in the embodiment shown in Figure 2 each discharge port is provided with a vane 140 for adjusting the wind direction. In the embodiment shown in Figure 2, each discharge port (120a, 120b) is provided with a vertical vane 140a and a horizontal vane 140b, respectively.

3 may show a cross-sectional view of the indoor unit near each discharge port.

As shown in FIG. 3, the vertical vane 140a and the horizontal vane 140b are formed by the wind blowing through the discharge port 120 in a state in which the covers 150a and 150b for shielding each discharge port open the discharge port. Direction can be determined. The covers 150a and 150b may open the discharge holes 120a and 120b in a rotation or slide manner.

In the embodiment shown in Figure 3, the cover (150a, 150b) for shielding each discharge port (120a, 120b) is opened, when the blowing fan is rotated, it is blown through the respective discharge port (120a, 120b), where When the vanes 140a and 140b provided inside the respective discharge ports 120a and 120b are rotated, the wind direction of the wind provided from the respective discharge ports 120a and 120b may be varied.

For example, the horizontal vane 140b provided in the horizontal discharge port 120b may provide a rotation angle of about +15 degrees to -15 degrees based on the horizontal state, and the horizontal vane 140b provided in the vertical discharge port 120a. In the case of the vane 140a, when the front surface is 0 degrees, the vane 140a may rotate in the maximum range of 30 degrees.

The range of angle of rotation of each vane may mean that the direction of the wind blowing in the end can be controlled as the angle.

The wind provided by the indoor unit of the air conditioner is generated using the rotational force of the electric motor. Therefore, the wind speed or the air volume can be determined in proportion to the rotation speed of the motor. In general, the natural winds that can be felt in nature vary so much that the wind volume, wind speed, or wind direction cannot be predicted. Thus, the user may not feel a regular pattern.

Artificially controlled air volume, wind speed, or wind direction may cause fatigue or headache to the user and cause inconvenience to use the air conditioner for a long time. Of course, there is a case in which the air volume, wind speed or direction of the wind provided by the air conditioner may be controlled to be artificially variable, but from the wind provided by the air conditioner simply by varying the wind volume, wind speed or direction of the wind is not the same. You cannot feel the naturalness or comfort that you can feel in the natural wind.

This is because it is not a simulation of natural wind based on the measurement result of the objective characteristics of natural wind. Therefore, the air conditioner according to the present invention measures the wind speed or the wind direction of the actual natural wind, and can reproduce it with the wind provided by the indoor unit of the air conditioner.

4 is a view illustrating a blow cycle related to wind speed and wind direction of the air conditioner according to the present invention. In order to grasp the characteristics of the natural wind speed or direction, the wind speed and direction of the natural wind were observed at the location where the natural wind was supplied. Specifically, the wind direction was measured in the vertical direction change and the horizontal direction change.

Specifically, FIG. 4 (a) shows a correlation diagram of a blowing cycle with respect to a change in wind speed at a specific position where natural wind is supplied, and FIG. 4 (b) shows a horizontal (left and right) direction of wind direction at a specific position where natural wind is supplied. FIG. 4 (c) may show a correlation of the period with respect to the change in the vertical (up and down) wind direction at a specific location to which the natural wind is supplied.

As a result, the wind strength, that is, the wind speed, was observed at a constant periodicity in approximately 600 seconds (see P1, FIG. 4A), and the horizontal wind direction was observed at a constant periodicity in approximately 240 seconds (see P2, FIG. 4B). In the horizontal wind direction, a certain periodicity was observed in approximately 120 seconds (see P3, FIG. 4C).

Therefore, the one time operation time of the natural wind operation mode of the air conditioner according to the present invention can be set to 1200 seconds (20 minutes) the minimum drain period of each cycle of the wind speed, vertical wind direction and horizontal wind direction.

That is, if one 1200 second (20 minutes) operating mode (2 * P1 = 5 * P2 = 10 * P3 = 1200 seconds (20 minutes)) is performed, the wind speed provided by the air conditioner, the vertical direction The wind direction and the horizontal direction can be operated in the same combination, and may be the operating time condition that the user can feel the closest to the natural wind.

Of course, one operation time of one operation mode can be increased longer, but it can be seen that the minimum operation time that can simplify the control algorithm as much as 1200 seconds (20 minutes) once.

And, if the wind speed, the horizontal wind direction, and the vertical wind direction provided by the air conditioner are measured at different measurement positions, each cycle time may be lengthened or shortened so that the minimum drain cycle of each cycle may vary.

Therefore, each cycle is different, and when the period for the wind direction is set longer than the period for the wind speed to set the operating time of the operation mode to the minimum drain cycle of each cycle, the range of the air conditioner according to the invention Can be interpreted.

Figure 5 may show the relationship between the rotational speed (rpm) of the blower fan drive motor according to the operating time in a specific operating mode of the air conditioner according to the present invention.

As described in the description with reference to FIG. 4, the strength of the wind, that is, the wind speed according to the present invention may be based on the assumption that a certain periodicity having a change period of about 600 seconds is observed. In addition, it can be assumed that the strength of the wind, that is, the wind speed is proportional to the rotational speed of the driving motor which eventually rotates the blowing fan.

In addition, by simulating the rotational speed of the driving motor of the blowing fan, similar to the pattern of variation of the measured wind speed, the rotational speed pattern of the driving motor as shown in FIG. 5 may be obtained.

An air conditioner according to the present invention includes an indoor heat exchanger, a blower fan that sucks indoor air and blows it to the indoor heat exchanger, a driving motor for driving the blower fan, and a rotational speed of the blower fan increases a plurality of times in a predetermined pattern. And a control unit for controlling the drive motor to operate in an operation mode including a plurality of reduced blowing sections.

That is, the controller of the air conditioner may include a variable blowing section in which the wind speed provided from the blowing fan or the rotational speed of the driving motor of the blowing fan is increased or decreased a plurality of times in a predetermined pattern in a specific operation mode, for example, a natural wind operating mode. Blower fan drive motor can be controlled to have a WP).

The blowing section WP is repeated a plurality of times, and the predetermined pattern of each blowing section may be different. The specific operation mode may include the blow section 2 to 10 times.

As shown in FIG. 5, the change period of the wind speed of the natural wind is 600 seconds, and includes three blowing sections in one change cycle, and one operation mode includes two wind change cycles of the natural wind. It may include the blowing section.

The operation mode shown in FIG. 5 is shown to consist of a total of three blowing sections WP1 to WP3. Each blowing section WP1 to WP3 may repeat the increase and decrease a plurality of times in a predetermined pattern.

The predetermined pattern of each blowing section WP1 to WP3 may not be the same.

Even in the operation mode shown in Fig. 5, the predetermined pattern of each blowing section WP1 to WP3 is common in that it repeats increasing and decreasing, but the detailed patterns have differences. That is, the predetermined pattern of each blowing section WP1 to WP3 is characterized in that the rotational speed of the blowing fan is increased and decreased a plurality of times.

In addition, the rotation speed of the blowing fan according to the predetermined pattern of each blowing section may be repeated three times to increase and decrease.

In the operation mode shown in FIG. 5, the rotation speed of the blower fan driving motor in each blowing section WP1 to WP3 may be repeated six times. That is, the trend of increasing and decreasing the rotational speed of the drive motor of the blowing fan in each blowing section is repeated to increase and decrease in a pattern to form a plurality of peaks, respectively.

In the embodiment shown in Figure 5, respectively, the rotational speed of the blower fan driving motor is shown to have a pattern of repeating the increase and decrease six times, the number of increase and decrease of each blowing section of the natural wind is about 3 to 10 times It is preferable to have the range of.

In addition, in a predetermined pattern of the plurality of blowing sections, the rotational speed of the blowing fan may be controlled to be increased to be a plurality of different rotational speeds and then to be reduced to be a plurality of different rotational speeds.

For example, in the case of the first blowing section, the rotational speed of the blowing fan drive motor may be the first maximum value R1 to the sixth maximum value R6 from the first minimum value r1 to the sixth minimum value r6, respectively. Is increased. Here, at least one of the first minimum value r1 to the sixth minimum value r6 is different from each other, and at least one of the first maximum value R1 to the sixth maximum value R6 is different from each other. Has

In the first blowing section shown in FIG. 5, most of the maximum and minimum values are shown to have different values. This is because the nature of the natural wind has a high probability that the maximum and minimum values of the wind speed differ from each other except by chance. The same applies to the second and third blowing sections.

Each of the blowing sections is between a predetermined first rotational speed (1st RPM) and a predetermined second rotational speed (2nd RPM) (second rotational speed (2nd RPM)> first rotational speed (1st RPM)). The rotation speed of the blowing fan can be increased and decreased.

That is, as the rotational speed of the blowing fan drive motor for partitioning the blowing section, the plurality of maximum rotational speeds of each blowing section are between the first predetermined rotational speed (1st RPM) and the second predetermined rotational speed (2nd RPM). It can have a size.

In the embodiment shown in Figure 5, the second rotational speed (2nd RPM) is more than 550 Alp (rpm), the first rotational speed (1st RPM) is less than 500 Alp (rpm) more than 550 Alp (rpm) It can have a value.

In addition, when each blowing section is finished, the rotation speed of the blowing fan may be reduced below a predetermined first rotation speed (1st RPM) to partition each blowing section.

That is, in the embodiment shown in Figure 5, the boundary between each blowing section is a case where the rotational speed of the drive motor of the blowing fan falls below 500rpm. Thus, the predetermined rotation speed may be 500 rpm or less.

Figure 6 may show the relationship with the angle of rotation of the horizontal vane according to the operating time in the specific operating mode of the air conditioner according to the present invention.

As described in the description with reference to FIG. 4, the operating period of the horizontal vane with the operating time in the specific operating mode was observed at 120 seconds, and the specific vertical wind direction change has a predetermined pattern as shown in FIG. 6. . The meaning of this pattern may mean that the direction of the wind is changed to each other upward or downward in the horizontal state of the wind provided from the air conditioner.

In more detail, the rotation angle of the vane to rotate to have a positive rotation angle in the horizontal direction may mean that the angle of the wind discharged from the discharge port of the air conditioner is discharged at an angle corresponding to the positive rotation angle. .

That is, as described above, since the rotation angle of the horizontal vane has a size in the range of +15 degrees to -15 degrees, it may mean that the discharge angle of the discharged wind also has a range of +15 degrees to -15 degrees in the horizontal state. Can be.

Of course, since the wind is bound to the ceiling surface of the indoor unit installation space of the air conditioner, the vertical blowing angle of the wind actually felt by the user may be different.

However, when the horizontal vane is rotated in the pattern as shown in FIG. 6, the user may feel the vertical change of the wind similar to the vertical wind change of the natural wind in response to the rotation.

As shown in FIG. 6, the change in the vertical wind direction of the natural wind repeats the increase and the decrease, but the maximum value of the rotation angle of each region (based on the absolute value of the negative case) has a different value.

Therefore, the vertical wind direction of the wind provided by the air conditioner may have a size proportional to the rotation angle of the horizontal vane.

By this method, the air conditioner according to the present invention can provide a wind in which the wind direction is changed in a vertical direction similar to the natural wind in a specific operation mode.

Figure 7 may show the relationship with the angle of rotation of the vertical vane according to the operating time in the specific operating mode of the air conditioner according to the present invention. As shown in FIG. 7, the horizontal wind direction change allows a blowing similar to the natural wind at a period of 240 seconds.

In the case of the vertical vane, as shown in Figure 2, a pair (140b) is provided on the upper both sides of the indoor unit main body of the air conditioner.

In addition, in the case of each vertical vane 140b, each vane may be controlled independently of each other.

If it is assumed that the user is located in the front direction of the air conditioner, the direction of the wind that reaches the user may vary in accordance with the rotation direction of each vertical vane 140b.

However, even if the vertical vanes rotate in the horizontal direction, the blowing direction felt by the user may not be exactly matched according to the rotation direction. There is a practical difficulty in varying the wind direction by accurately reflecting the measured horizontal wind direction angle. This is because the characteristics of the space are expanded in the horizontal direction, and two vertical vanes are independently controlled.

Therefore, based on the measured results, it was confirmed that the left and right wind direction can be similarly simulated at intervals of 240 seconds in the pattern shown in FIG. 7. In the graph of the operation mode illustrated in FIG. 7, one vertical straight line means one reciprocating rotation operation of one vane, and a portion in which the vertical straight lines are continuously connected in parallel means a section for rotating the continuous vertical vanes. Can be.

That is, the region A means a section in which only one vertical vane (first vane) is autoswing among two vertical vanes, and the region B is in a section in which only the vertical vane (second vane) of the two vertical vanes is autoswinged. The C region may mean a section in which two vertical vanes are autoswinged.

An area in which the vertical bars indicating the swing motions are repeated in parallel may mean that each vertical vane is an area in which the swing motions are repeated repeatedly. That is, one vertical bar can be considered to mean one swing motion.

As shown in Fig. 7, each vertical vane is controlled to be driven independently in a predetermined pattern, respectively, and is not affected by the operation of the other vertical vanes. However, the C region is a section in which two vertical vanes accidentally autoswing together, but each vertical vane does not need to operate at the same time.

That is, even in the C region in which the two vertical vanes are autoswing together, the time of rotation of each vertical vane is not the same.

Figure 8 shows the rotational speed of the other blower fan motor, the angle of rotation of the horizontal vanes and the autoswing of the vertical vanes with respect to the same time axis during the time in the specific operating mode of the air conditioner according to the present invention.

As described above, the air conditioner according to the present invention is a blowing fan for sucking indoor air and blowing it to the indoor heat exchanger, at least one vane for changing the direction of the wind blown by the blowing fan, the blowing fan And a control unit for controlling the blowing fan and the vanes to be operated for a plurality of operating cycles so that the vanes have different operating cycles in predetermined patterns, respectively.

In this case, the blowing fan and the vane are operated for a plurality of operating cycles, respectively, means that each of the blower fan and the vane is operated in one specific operation mode.

The specific operation mode illustrated in FIG. 8 may be the natural wind mode described above, and the one operation time of the operation mode is 1200 seconds.

The reason why the one operation time of the operation mode is configured as 1200 seconds is as described with reference to FIGS. 4 to 7, that is, the wind speed has a constant periodicity in approximately 600 seconds, and the horizontal wind direction is in approximately 240 seconds. It has a constant periodicity, and the vertical wind direction has a constant periodicity in approximately 120 seconds, so the one operation time of the natural wind operation mode is 1200 seconds for the minimum draining period of each of the wind speed, the horizontal wind direction, and the vertical wind direction. (20 minutes).

Therefore, the wind speed change is composed of 2 change cycles (2 * P1), the horizontal wind change is 5 change cycles (5 * P2), and the vertical wind change is 10 change cycles (10 * P3). Certain operating modes can be activated once with different combinations of wind speed, horizontal wind direction and vertical wind direction.

While the present invention has been particularly shown and described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims. . Therefore, if the modified implementation basically includes the components of the claims of the present invention, it can be seen that all fall within the technical scope of the present invention.

100: indoor unit
200: outdoor unit
1000: air conditioner

Claims (17)

Indoor heat exchanger;
A blowing fan that sucks indoor air and blows the air to the indoor heat exchanger;
A driving motor for driving the blowing fan; And,
And a control unit for controlling the driving motor to operate in an operation mode including a plurality of blowing sections in which a rotational speed of the blowing fan is increased and decreased a plurality of times in a predetermined pattern. The method of claim 1,
The operation mode is an air conditioner, characterized in that it comprises a blow section of 2 to 10 times. The method of claim 2,
And a rotation speed of the blowing fan according to a predetermined pattern of each blowing section is increased and decreased three times to ten times. The method of claim 1,
The air blowing section is repeated a plurality of times, the air conditioning apparatus, characterized in that the predetermined pattern of each blowing section is different. The method of claim 4, wherein
And the rotational speed of the blowing fan in a predetermined pattern of each blowing section is increased and decreased a plurality of times. The method of claim 5,
The air conditioning apparatus, characterized in that the rotational speed of the blowing fan in the predetermined pattern is increased to be a plurality of different rotational speeds and then reduced to be a plurality of different rotational speeds. The method of claim 5,
Each air blowing section is characterized in that the rotational speed of the blowing fan is increased and decreased between a predetermined first rotational speed and a predetermined second rotational speed (second rotational speed> first rotational speed). The method of claim 7, wherein
When each blowing section is finished, the rotational speed of the blowing fan is reduced to less than a second predetermined rotational speed. 9. The method according to claim 7 or 8,
And said second rotational speed is greater than about 550 rpm. 9. The method according to claim 7 or 8,
And the first rotational speed is about 500 alpha rpm or more and 550 alpha rpm or less. The method of claim 1,
The blowing section is an air conditioner, characterized in that repeated once to 5 times in 10 minutes. A blowing fan that sucks indoor air and blows the air to the indoor heat exchanger;
At least one vane for changing a direction of wind blown by the blowing fan;
And a control unit for controlling the blowing fan and the vanes to be operated for a plurality of operating cycles, respectively, such that the blowing fan and the vanes have different operating cycles in predetermined patterns. The method of claim 12,
The predetermined pattern is an air conditioner, characterized in that the pattern similar to the pattern of the change in the wind speed and direction of the natural wind. The method of claim 12,
The predetermined pattern of the blower fan is characterized in that it comprises a variable blowing section in which the rotational speed of the blower fan is increased and decreased a plurality of times. The method of claim 12,
The vane includes at least one horizontal vane and at least one vertical vane, wherein the predetermined pattern and the operating cycle of the vertical vane are different from each other. The method of claim 12,
The operating period of the vertical vane is shorter than the operating period of the blower fan, characterized in that longer than the operating period of the horizontal vane. The method of claim 16,
And the control unit controls each of the blowing fan, the vertical vane and the horizontal vane during a minimum drainage operation period of each operating period of the blowing fan, the vertical vane and the horizontal vane.

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