KR101837621B1 - Air conditioner - Google Patents

Abstract

Disclosed is an air conditioner which ensures a large amount of air and a high flow velocity of the discharged air, and at the same time, enhances the design esthetic feeling of the product.
An air conditioning apparatus according to an embodiment of the present invention includes a housing; A blowing fan provided inside the housing; An annular first air discharge port constituting a passage through which the air inside the housing flows by the air blowing fan; A second air discharge port constituting a passage through which the air inside the housing flows by the blowing fan; And a flow path switching unit provided in the housing and guiding the air discharged by the blowing fan to at least one of the first air discharge port and the second air discharge port.

Description

AIR CONDITIONER

The present invention relates to an air conditioner, and more particularly, to an air conditioner capable of rapidly circulating room air.

Background Art [0002] An air conditioner according to a conventional art is a structure that blows air through a discharge opening that is opened in a circular or polygonal shape on the front or top of a product.

The air conditioner according to the related art is disadvantageous in that the air flow rate per unit time is large due to a wide opening area of the discharge port, but the flow velocity of the air to be discharged is slow and the rate at which the room air is circulated is slow. The number of revolutions of the fan must be increased. However, there is a disadvantage that noise is generated due to an increase in the number of revolutions of the fan.

On the other hand, when the area of the discharge port is narrowed to solve this disadvantage, there is a disadvantage that the air flow rate is lower because the air volume is small and the air is discharged in a narrow area.

SUMMARY OF THE INVENTION The present invention has been made to solve at least some of the problems of the prior art as described above, and it is an object of the present invention to be able to exhibit a large amount of airflow performance and a high flow rate performance of discharged air as one aspect.

The present invention also provides, as one aspect, an air conditioner having improved design aesthetic sensitivity of a product.

According to an aspect of the present invention, A blowing fan provided inside the housing; An annular first air discharge port constituting a passage through which the air inside the housing flows by the air blowing fan; A second air discharge port constituting a passage through which the air inside the housing flows by the blowing fan; And a flow path switching unit provided in the housing and guiding the air discharged by the blowing fan to at least one of the first air discharge port and the second air discharge port.

In one embodiment, the first air outlet may be formed on one side of the housing, and the second air outlet may be formed on the top of the housing.

In one embodiment, an annular discharge passage is formed in the housing such that the end constitutes the first air discharge opening and the first air discharge opening is disposed on one side of the housing. The air inlet end of the annular discharge passage and the second air discharge opening.

In one embodiment, the flow path switching portion is rotatably installed in the housing and opens and closes the air inlet of the annular discharge passage and selectively opens and closes the second air outlet, And a motor member for rotating the opening / closing door.

According to an embodiment of the present invention, the opening / closing door is formed in a flat plate shape having a rotary shaft at one end, and a magnet is provided in the body. The air inlet end of the second air discharge port and the annular discharge flow path are connected to a magnetic force of the magnet A magnetic body for receiving the attractive force by the magnetic field can be provided.

For example, the second air outlet may include a perforated member made of a magnetic material.

Also, in one embodiment, the annular discharge passage may be formed such that a cross-sectional area of the annular discharge passage decreases from the inside of the housing toward the first air discharge opening.

In one embodiment, the air processing unit may be provided in the housing and may include at least one of air purifying, dehumidifying, and humidifying.

Also, in one embodiment, the first air outlet may be provided with a grill member for guiding the discharged air.

For example, the grill member may be configured to be detachable from the first air discharge port, and the flow path switching portion may shield the first air discharge port when the grill member is separated from the first air discharge port.

Further, in one embodiment, an adjusting unit for adjusting the opening area of the first air outlet may be provided.

According to the embodiment of the present invention having such a configuration, it is possible to obtain a fast flow velocity of the discharged air and a large air flow rate.

In addition, according to the embodiment of the present invention, the flow rate and discharge mode of the discharged air can be adjusted by adjusting the area of the air discharge port.

1 is a front perspective view of an air conditioner according to a first embodiment of the present invention.
2 is a rear perspective view of the air conditioner according to the first embodiment of the present invention.
3 is an exploded perspective view of the air conditioner according to the first embodiment of the present invention.
4 is a side sectional view of the air conditioner according to the first embodiment of the present invention.
Figs. 5 to 7 are side cross-sectional views showing an operating state of the flow path switching portion included in the air conditioner according to the first embodiment of the present invention. Fig.
8 is a front perspective view of an air conditioner according to a second embodiment of the present invention.
9 is a front perspective view of an air conditioner according to a third embodiment of the present invention.
10 is a side sectional view of the air conditioner according to the third embodiment of the present invention.
11 is a front view and a side sectional view showing a state in which the first air outlet of the air conditioner according to the fourth embodiment of the present invention is fully opened.
12 is a front view and a side sectional view showing a state in which the first air outlet of the air conditioner according to the fourth embodiment of the present invention is partially closed.
FIG. 13 is a view showing a state in which the adjuster included in the air conditioner according to the fourth embodiment of the present invention is installed inside the housing.
FIG. 14 is a perspective view showing an operating state of an adjusting unit included in the air conditioner according to the fourth embodiment of the present invention. FIG.
FIG. 15 is an exploded perspective view of an adjusting unit included in the air conditioner according to the fourth embodiment of the present invention. FIG.
FIGS. 16 and 17 are diagrams showing an operating state of a closure plate included in an adjusting unit included in the air conditioner according to the fourth embodiment of the present invention.
18 is a front perspective view of an air conditioner according to a fifth embodiment of the present invention.
19 is a rear perspective view of an air conditioner according to a fifth embodiment of the present invention.
20 is a side view of an air conditioner according to a fifth embodiment of the present invention.
Figs. 21 and 22 are sectional views showing an operating state of a flow path switching portion included in an air conditioner according to Embodiment 5 of the present invention. Fig.
23 is a perspective view of a flow path switching portion included in an air conditioner according to Embodiment 5 of the present invention.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Furthermore, the singular forms "a", "an," and "the" include plural referents unless the context clearly dictates otherwise.

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

≪ Example 1 >

First, a first embodiment of the present invention will be described with reference to Figs. 1 to 7. Fig.

1 to 7, an air conditioning apparatus 100 according to an embodiment of the present invention includes a housing 110, a blowing fan 130, a guide frame 140, an air treatment unit 150, 1 air outlet 165, a second air outlet 175, and a flow path switching unit 180.

The housing 110 constitutes an appearance of the air conditioner 100 according to an embodiment of the present invention and includes a ventilation fan 130, a guide frame 140, an air processing unit 150, It is possible to provide an internal space in which the battery pack can be installed.

In one embodiment, the housing 110 may include a front cover 112 and a rear cover 114 as shown in FIG. 3, wherein the front cover 112 and the rear cover 114 are joined together And can constitute an internal space in which the blower fan 130, the guide frame 140, the air processing unit 150, and the flow path switching unit 180 can be installed.

In addition, the housing 110 may include an air intake part 117 through which external air is sucked into the housing 110.

In one embodiment, the air intake portion 117 may be provided on the rear surface of the housing 110, but is not limited thereto.

Also, in an embodiment, a contamination level sensor 120 may be further provided on the outer surface of the housing 110 to measure the degree of pollution of indoor air.

The air blowing fan 130 is provided inside the housing 110. When the air is sucked into the housing 110 during operation, the air is passed through the air processing unit 150 to be described later, 2 air outlets 175 to the outside.

In one embodiment, the blowing fan 130 is disposed below the annular discharge flow passage 160 and the second air discharge port 175, and can discharge air upward.

In the first embodiment of the present invention, the blowing fan 130 may be disposed directly below the annular discharge passage 160, which will be described later, as shown in FIG. 4. At this time, the air processing unit 150, But may be disposed directly below the air outlet 175, but is not limited thereto.

Meanwhile, in one embodiment, the blowing fan 130 may be configured as a centrifugal fan capable of exhibiting high suction static pressure and airflow performance.

At this time, the air blowing fan 130 may be configured to be a double suction type capable of sucking air in both directions, or a single suction type capable of sucking air in one direction.

The guide frame 140 is provided inside the housing 110 in the form of a partition wall to guide the air discharged from the air blowing fan 130 to the first air outlet 165 and the second air outlet 175 .

The guide frame 140 includes a scroll portion 141 surrounding the periphery of the blowing fan 130 and an annular discharge passage 160 provided at the upper end of the scroll portion 141, And a partition 144 for partitioning the partition wall 175.

Here, the scroll part 141 is configured to surround the periphery of the blowing fan 130, so that the air discharged in the circumferential direction of the blowing fan 130 can be guided.

The upper end of the scroll portion 141 may be provided with a blowing port 142 through which air guided by the scroll portion 141 is blown toward the partitioning portion 144.

An air inlet 143 through which the air is introduced into the air blowing fan 130 may be provided on one side of the scroll portion 141. A fan motor 143 for rotating the air blowing fan 130 may be provided at the center of the air inlet 143. [ But the present invention is not limited thereto.

The partitioning part 144 may have a partition wall 145 for partitioning a space forming the annular discharge passage 160 to be described later in the inner space of the housing 110.

Further, in one embodiment, the partition wall frame 145 may be provided with a through-hole 146 through which an air guide 167 to be described later is inserted.

The partition wall frame 145 may be provided with an enclosure 147 formed around the through opening 146 and protruding from one side of the partition wall frame 145 to form an annular discharge flow path 160 to be described later.

The enclosure 147 is formed so as to surround the remaining region of the annular discharge passage 160 excluding the air inlet end 161 in the periphery of the through opening 146 and has an annular discharge passage 160 .

The air processing unit 150 is provided inside the housing 110 and may have at least one function of air purification, dehumidification, and humidification.

For example, the air treatment unit 150 may include an air purification filter having various functions such as dust collection, deodorization, and virus removal when the air purification function is provided, and may include a dehumidifying filter or a heat exchanger And may include a humidifying filter, an ultrasonic humidifying unit, or a heating humidifying unit if the humidifying function is provided.

The air processing unit 150 may include an air purifying filter, a humidifying filter, or an air purifying filter and a heat exchanger, and may have a plurality of functions such as air purifying function, dehumidifying function, and humidifying function.

Accordingly, the air treatment apparatus according to an embodiment of the present invention can be implemented in products such as an air purifier, a dehumidifier, a humidifier, a dehumidifier purifier, a humidifier purifier, etc., according to the air treatment unit 150 employed.

In one embodiment, the air processing unit 150 is disposed on the air suction side of the blowing fan 130, and can treat the air sucked into the blowing fan 130.

For example, the air processing unit 150 may be disposed between the air inlet 143 formed in the scroll portion 141 of the guide frame 140 and the air inlet 117 of the housing 110, no.

The first air outlet 165 may constitute a passage through which the air in the housing 110 flowing by the blowing fan 130 is discharged to the outside. The first air outlet 165 may be formed in an annular shape.

In one embodiment, the first air outlet 165 may be formed on one side of the housing 110.

In order to form the first air outlet 165, the annular outlet passage 160 may be formed in the housing 110 in one embodiment.

The annular discharge passage 160 has a discharge side end at which the air is discharged and a first air discharge hole 165. The first air discharge hole 165 is formed at one side of the housing 110, .

The annular discharge passage 160 extends in the horizontal direction inside the housing 110 or in front of the housing 110 so that the first air discharge port 165 is disposed in the front cover 112 of the housing 110. [ As shown in FIG. Accordingly, the annular discharge passage 160 may be formed in a cylindrical shape which is generally horizontally or sloped in the interior of the housing 110.

The first air outlet 165 is annularly formed in the front cover 112 of the housing 110 according to the shape of the end of the annular discharge passage 160.

4, the annular discharge passage 160 may be formed to have a smaller sectional area from the inside of the housing 110 to the first air discharge port 165, as shown in the sectional view of FIG.

To this end, the air guide 167 may be provided in the housing 110 in one embodiment.

The air guide 167 may extend into the interior of the housing 110 to form an annular discharge passage 160.

The air guide 167 has one end disposed at the center of the discharge opening 113 and the other end disposed at the center of the discharge opening 113. The discharge opening 113 is formed at one side of the housing 110, So that the inner diameter and the inner diameter of the annular discharge passage 160 can be formed.

At this time, a distance between the rim of one end of the air guide 167 and the discharge opening 113 constitutes the first air discharge port 165 of the annular discharge passage 160.

The space between the outer surface of the air guide 167 and the enclosure 147 provided in the partition 144 of the guide frame 140 constitutes the annular discharge passage 160.

The air guide 167 may be installed through the through opening 146 formed in the partition wall frame 145 of the partition 144 of the guide frame 140. In this embodiment,

At this time, the annular discharge passage 160 may be a space surrounded by the air guide 167, the enclosure 147, and the partition frame 145.

In an embodiment, the lower end of the annular discharge passage 160 may be provided with an air inlet 161 communicating with the air outlet 142 of the scroll portion 141.

The air discharged from the air outlet 142 of the scroll portion 141 flows into the annular discharge flow passage 160 through the air inlet end 161 and then is discharged to the outside through the first air discharge opening 165 .

In addition, in order to form a shape in which the sectional area of the annular discharge passage 160 becomes narrower toward the first air discharge port 165, for example, the air guide 167 is configured to have a larger outer diameter from one end to the other end It is possible.

However, the present invention is not limited thereto. The air guide 167 may have any shape as long as the annular discharge passage 160 is formed so as to have a smaller cross-sectional area toward the first air discharge port 165 side.

For example, the air guide 167 may be formed in a cylindrical shape having the same diameter at both ends, and the shape of the enclosure 147 may be narrowed toward the first air discharge port 165 side, 1 air outlet port 165 and the shape of the enclosure 147 is formed to be smaller than the change amount of the outer diameter of the air guide 167 toward the first air discharge port 165 It is possible.

Meanwhile, in one embodiment, the air guide 167 may extend from one side of the housing 110 to the other side, and may be configured as a hollow trumpet shape.

At this time, an opening 115 corresponding to the hollow of the other end of the air guide 167 may be formed on the other surface of the housing 110, and the other end of the air guide 167 may be connected to the rim of the opening 115.

Through this structure, the housing 110 can be formed with a through-hole 168 penetrating through the air guide 167 from one surface to the other surface.

The air flowing along the annular discharge passage 160 increases in flow rate toward the first air discharge port 165 in the structure of the annular discharge passage 160 in which the sectional area becomes narrower toward the first air discharge port 165 And is discharged from the first air discharge port 165 at a high flow rate. For reference, Bernoulli's theorem shows that the flow rate increases as air passes through a narrow cross-sectional area.

The air discharged from the first air discharge port 165 at a high flow rate is caused to flow in the air existing in the through hole 168 and in the air existing in the outside of the first air discharge port 165, The air volume of the air discharged from the discharge port 165 increases.

Specifically, since the air discharged from the first air discharge port 165 is relatively lower in pressure than the ambient air, that is, the air inside the through hole 168 and the air outside the first air discharge port 165, The air inside the through hole 168 and the air outside the first air discharge port 165 flow toward the discharge air having a relatively low pressure.

The second air outlet 175 may form a passage through which the air in the housing 110 flowing by the blowing fan 130 is discharged to the outside.

The second air discharge port 175 is formed at the upper end of the housing 110 so that the air discharged upward from the blowing fan 130 flows almost linearly and is discharged to the upper end of the housing 110 can do.

The passage switching unit 180 is provided inside the housing 110 and can guide the air discharged from the blowing fan 130 to at least one of the first air discharge port 165 and the second air discharge port 175 . That is, the flow path switching unit 180 may switch the flow path of the air inside the housing 110 so that the air is discharged to the first air discharge port 165 or the second air discharge port 175, And may be simultaneously discharged to the discharge port 165 and the second air discharge port 175.

The flow path switching unit 180 may be configured to open and close the air inlet end 161 and the second air outlet 175 of the annular discharge flow path 160.

In one embodiment, the flow path switching portion 180 may include an opening / closing door 182 and a motor member 186.

The opening and closing door 182 is rotatably installed in the housing 110 and rotates to selectively open and close the air inlet end 161 of the annular discharge flow passage 160 and the second air discharge opening 175 .

4 to 7, the opening and closing door 182 is formed in a curved shape provided at a branch point between the air inlet end 161 of the annular discharging flow passage 160 and the second air discharging opening 175 side, Shaped plate.

The motor member 186 may be coupled to the rotation shaft 222 of the opening and closing door 182 to adjust the rotation angle of the opening and closing door 182.

5, when the air inlet end 161 of the annular discharge flow passage 160 is shielded, the air blown from the air blowing fan 130 flows only through the second air And can be discharged to the discharge port 175.

6, when the air inlet end 161 of the annular discharge flow passage 160 is opened and the flow passage of the second air discharge port 175 is shielded, the air blowing fan 130, The air blown out from the first air outlet 165 can be discharged to the first air outlet 165 only through the annular discharge passage 160.

7, when the opening / closing door 182 is rotated to a position where it opens both the air inlet end 161 of the annular discharge flow passage 160 and the second air discharge opening 175 side, A part of the air blown from the first air discharge port 130 can be discharged to the first air discharge port 165 and a part of the air can be discharged to the second air discharge port 175.

The air conditioner 100 according to the first embodiment of the present invention as described above can exhibit fast flow rate performance and a large amount of airflow performance of the discharged air through the annular first air discharge port 165 having a narrow cross- There are advantages.

The air conditioner 100 according to the first embodiment of the present invention is configured to selectively open at least one of the first air discharge port 165 and the second air discharge port 175 through the flow path switching unit 180 Air can be discharged to the first air discharge port 165 when a concentrated air flow is required in a narrow range and air can be discharged to the second air discharge port 175 when air circulation in the entire room is required, It is possible to generate various types of blowers according to need by using the blower 130.

≪ Example 2 >

Next, the air conditioner 100 according to the second embodiment of the present invention will be described with reference to FIG. Here, FIG. 8 is a front perspective view of the air conditioner 100 according to the second embodiment of the present invention.

As shown in FIG. 8, the air conditioner 100 according to the second embodiment of the present invention may include a grill member 190 for guiding the discharged air to the first air outlet 165.

In one embodiment, the grill member 190 may include a plurality of guide vanes 186 that are provided at regular intervals in the annular first air outlet 165 and extend along the discharge direction of the discharged air.

This grill member 190 can increase the linear reach of the discharged air by adding straightness to the air flow of the discharged air or making the discharged air swirl through the form of the plurality of guide vanes 186.

Alternatively, in the case where the first air discharge port 165 is simply annularly opened without the grill member 190, the air discharged from the first air discharge port 165 flows in the radial direction of the first air discharge port 165 There is a disadvantage in that the straight line reach distance of the discharge air is short.

Meanwhile, the grill member 190 can be assembled and separated from the front cover 112 so as to be easily separated from the housing 110 and cleaned.

The grill member 190 may be integrally formed with the air guide 167 or may be separated from the air guide 167 so as to be independently detachable from the air guide 167 in the housing 110 .

When the grill member 190 and the air guide 167 are integrally formed and the assembly in which the grill member 190 and the air guide 167 are assembled is separated from the housing 110, And the blowing fan 130 is exposed through the air inlet end 161.

The structure in which the air blowing fan 130 is exposed in this way may be such that external foreign matter may flow into the air blowing fan 130 through the first air discharging port 165 and the air inflow end 161, 130).

Thus, in one embodiment, the flow path switching portion 180 can be operated to automatically shield the first air outlet 165 when the grill member 190 and the air guide 167 are separated from the housing 110 have.

That is, when the grill member 190 and the air guide 167 are separated from the housing 110, the flow path switching unit 180 can be operated so that the opening / closing door 182 is disposed at a position closing the air inflow end 161 have.

The housing 110 may be provided with a mounting detection sensor (not shown) for detecting whether the grill member 190 or the air guide 167 is mounted. The motor member 186 of the flow- When the grill member 190 or the air guide 167 is separated from the housing 110 by receiving the signal of the mounting detection sensor, the opening / closing door 182 may be rotated so as to close the air inlet end 161.

≪ Example 3 >

Next, the air conditioner 100 according to the third embodiment of the present invention will be described with reference to Figs. 9 and 10. Fig. 9 and 10 are a front perspective view and a side sectional view of the air conditioner 100 according to the third embodiment of the present invention.

9 and 10, the air conditioner 100 according to the third embodiment of the present invention is provided to cover the hollow of the air guide 167 and displays the operation state of the air conditioner 100 Or a display unit 300 having a control button.

That is, unlike the air conditioner 100 according to the first embodiment of the present invention shown in FIGS. 1 to 7, the air conditioner 100 according to the third embodiment of the present invention has a through hole The display unit 300 may include a circular display unit 300 that covers the through hole 168 instead of the circular display unit 168.

In the air conditioner 100 according to the third embodiment of the present invention, a through hole 168 formed as an empty space is used as a display and a control panel, so that it is unnecessary to provide a separate display unit and a control button in the housing 110 A simple appearance of the product is formed, and the design aesthetic sense of the device is improved.

9 and 10, the display unit 300 covers the entire through hole 168, but the present invention is not limited thereto. The display unit 300 may include a display unit 300, And may be configured such that an air flow gap is formed between the outer surface of the display unit 300 and the inner surface between the air guides 167. [

<Example 4>

Next, the air conditioner 100 according to the fourth embodiment of the present invention will be described with reference to Figs. 11 to 17. Fig.

11 is a front view and a side sectional view showing a state in which the first air discharge port 165 of the air conditioner 100 according to the fourth embodiment of the present invention is completely opened. Is a partially closed state. 13 shows a state in which the adjusting unit 200 is installed inside the housing 110, and FIG. 14 shows an operating state of the adjusting unit 200. As shown in FIG. FIG. 15 is an exploded perspective view of the adjusting unit 200, and FIGS. 16 and 17 are views showing an operating state of the covering plate 220 provided in the adjusting unit 200. As shown in FIG.

11 to 17, the air conditioner 100 according to the fourth embodiment of the present invention adjusts the opening area of the first air outlet 165 or controls the opening of the first air outlet 165 (200). &Lt; / RTI &gt;

In one embodiment, the regulating portion 200 may be configured to adjust the outer diameter (outer diameter) of the first air outlet 165. That is, the adjusting unit 200 may be configured to adjust the opening area of the annular first air outlet 165 by reducing or increasing the outer diameter of the first air outlet 165.

In order to implement this operation, in one embodiment, the adjuster 200 includes a case 210, a plurality of shielding plates 220, a rotating frame 230, a fixed frame 240 and a frame driving member 250 .

The case 210 may house a plurality of shielding plates 220, a rotating frame 230, a fixed frame 240 and a frame driving member 250 and may be supported inside the housing 110. The shape and structure of the case 210 are not particularly limited and a plurality of shielding plates 220, a rotating frame 230, a fixed frame 240 and a frame driving member 250 are supported inside the housing 110 It can be any shape and structure.

The casing 210 is provided with a hole 212 opened to a diameter larger than the first air discharge port 165 so as to extend the annular discharge passage to the discharge opening 113 formed in the front cover 112 can do.

In one embodiment, a limit guide 214 may be provided inside the case 210 to limit a movement distance of the limit protrusion 234 provided in the rotation frame 230, which will be described later.

The plurality of shielding plates 220 may be disposed inside the case 210 and provided at the outer periphery of the first air outlet 165 so as to be movable in a radial direction of the first air outlet 165.

The plurality of shielding plates 220 can control the outer diameter of the first air outlet 165 by covering a portion of the first air outlet 165 while moving in the radial direction of the first air outlet 165.

In one embodiment, the plurality of closure plates 220 may be arranged at regular intervals along the outer perimeter of the first air outlet 165 to form a generally annular shape.

To this end, in one embodiment, the shielding plate 220 may be configured as a flat, curved bar shape, and a plurality of shielding plates 220 may be arranged such that a portion thereof overlaps with each other as shown in FIG. 15 .

The shielding plate 220 may have a rotation axis 222 at one end and a guide protrusion 224 at the other end. The rotation axis 222 may be formed as a protrusion protruding from one surface of the shielding plate 220 and the guide protrusion 224 may be formed as a protrusion protruding from the other surface of the shielding plate 220.

The rotation axis 222 of the cover plate 220 may be rotatably coupled to the shaft hole 232 of the rotation frame 230 and the guide protrusion 224 of the cover plate 220 may be fixed to the fixed frame 240 in the longitudinal direction of the guide groove 242. The guide grooves 242 of the guide grooves 242 can be slidably engaged with the guide grooves 242 of the guide grooves 241,

The rotation frame 230 may be formed in an annular shape and may be rotatable in a circumferential direction inside the case 210.

The rotary frame 230 is disposed on one side of the plurality of the flushing plates 220. The plurality of flushing plates 220 are arranged at regular intervals along the outer edge of the first air discharge port 165, Can be rotatably supported in the radial direction of the first air discharge port 165. [

In one embodiment, the rotating frame 230 may have a shaft hole 232 through which the rotating shaft 222 of the plurality of shielding plates 220 can be coupled.

Further, in one embodiment, a frame gear 236 for receiving the rotational force of the frame driving member 250 may be provided on the rim of the rotating frame 230.

The limit protrusion 234 may be provided on the rim of the rotary frame 230 to limit the rotation angle of the rotary frame 230 by the limit guide 214 of the case 210. In this case, The limit protrusion 234 is engaged with both ends of the limit guide 214 to limit the rotation angle of the rotation frame 230 so that the rotation frame 230 can be rotated only within the range of the limit guide 214. [

The fixed frame 240 is disposed on the other surface of the plurality of shielding plates 220 and can rotate the plurality of shielding plates 220 with respect to the respective rotation shafts 222 in accordance with the rotation of the rotating frame 230 .

To this end, the fixed frame 240 may be formed with a guide groove 242 into which the guide protrusion 224 of the cover plate 220 is slidably inserted. The guide groove 242 may be formed as a long groove extending in the radial direction of the fixed frame 240.

In this configuration, when the rotating frame 230 is rotated, a plurality of shielding plates 220 fastened to the rotating frame 230 through the rotating shaft 222 moves in accordance with the rotating direction of the rotating frame 230 .

Since the guide protrusions 224 of the plurality of closure plates 220 are fastened to the guide grooves 242 of the stationary frame 240 by the rotation of the rotation frame 230, The guide protrusions 224 are engaged with the guide grooves 242 in order to compensate for a change in distance between the guide protrusions 232 and the guide protrusions 224, So that the air can be rotated in the radial direction of the first air discharge port 165.

When the plurality of closure plates 220 are rotated in the radial direction of the first air discharge port 165, the outer diameter of the first air discharge port 165 is larger than the outer diameter of the circular opening formed by the inner edges of the plurality of closure plates 220 It is adjusted according to the diameter.

For example, when the rotary frame 230 is rotated in one direction, a plurality of the shielding plates 220 may be arranged as shown in FIG. 16 to enlarge the outer diameter of the first air discharge port 165, The plurality of shielding plates 220 may be arranged as shown in FIG. 17 so that the outer diameter of the first air outlet 165 may be reduced.

In one embodiment, the plurality of shielding plates 220 are configured so that the diameter of the circular opening formed by the inner edge can be adjusted to a size smaller than or equal to the inner diameter of the first air discharge port 165, 165) It may be shielded in secret.

The frame driving member 250 is provided inside the case 210 and can adjust the rotation angle of the rotation frame 230 by rotating the rotation frame 230.

The frame driving member 250 includes a rotary gear 252 engaged with the frame gear 236 of the rotary frame 230 and a stepping motor 254 rotating the rotary gear 252 However, the present invention is not limited thereto, and may be constructed by any mechanical element capable of rotating the rotating frame 230.

Meanwhile, in the air conditioner 100 according to the fourth embodiment of the present invention, the opening area of the first air discharge port 165 is adjusted through the regulating unit 200 to change the flow characteristics of the discharged air .

12, when a part of the first air discharge port 165 is closed, as shown in FIG. 11, a narrower flow path is formed than when the first air discharge port 165 is completely opened The flow velocity of the discharged air can be relatively increased.

12, when the first air discharge port 165 is partially closed, the discharge mode of the air is narrower than in the case where the first air discharge port 165 is completely opened as shown in FIG. 11 So that it is more effective when air is blown away in a narrow range.

&Lt; Example 5 >

Lastly, the air conditioner 100 according to the fifth embodiment of the present invention will be described with reference to Figs. 18 to 23. Fig.

18 is a front perspective view of the air conditioner 100 according to the fifth embodiment of the present invention. FIG. 19 is a rear perspective view of the air conditioner 100, FIG. 20 is a side view of the air conditioner 100, Figs. 21 and 22 are side cross-sectional views showing the operating state of the flow path switching unit 180, and Fig. 23 is a perspective view of the flow path switching unit 180. Fig.

18 to 22, in the air conditioner 100 according to the fifth embodiment of the present invention, the blowing fan 130 is disposed directly below the second air outlet 175, (150) may be disposed in front of the blowing fan (130).

Here, the air suction part 117 may be provided on the front surface of the housing 110.

In this configuration, the air flow path from the blowing fan 130 to the second air discharge port 175 can be formed in a substantially linear shape, and the flow path from the air blowing fan 130 to the first air discharge port 165 The air flow path may be formed in an inclined or bent shape.

In the air conditioner 100 according to the fifth embodiment of the present invention, the shape of the flow path of the air discharged to the second air discharge port 175 is substantially linear. Therefore, in the present invention It is possible to discharge air having a higher pressure at the second air outlet 175 than the air conditioner 100 according to the first embodiment. The higher the discharge wind pressure of the second air discharge port 175, the better the air circulation performance of the room.

The air conditioner 100 according to the fifth embodiment of the present invention is configured to maintain the structure of the through hole 168 formed in the housing 110 while maintaining the high air pressure of the second air outlet 175, The second air outlet port 175 may be positioned below the through hole 168 unlike the housing 110 of the air conditioner 100 according to the first embodiment of the present invention.

18 to 20, the air guide 167 is accommodated in the inside of the rear cover 114 of the housing 110 so as to extend upward from the upper portion of the front end of the upper second air discharge port 175, And an extension casing portion 118 in which the discharge passage 160 is formed.

The extension casing portion 118 can constitute a rear portion of the housing 110 and the extension casing portion 118 of the front cover 112 and the rear cover 114 can be inserted through the air guide 167 A hole 168 may be formed.

The structure of the housing 110 of the air conditioner 100 according to the fifth embodiment of the present invention is similar to the structure of the housing 110 of the air conditioner 100 according to the first embodiment of the present invention, Since the length of the air flow path connected to the second air discharge port 175 from the discharge side of the second air discharge port 175 is short, the pressure loss of the air discharged from the second air discharge port 175 is small.

The air conditioner 100 according to the first embodiment of the present invention has a structure in which a long flow is generated in the air flowing in the flow path between the discharge side of the blowing fan 130 formed inside the housing 110 and the second air discharge port 175, Pressure loss due to distance may occur.

In the fifth embodiment of the present invention, the opening and closing door 182 of the flow path switching unit 180 may be formed in a flat plate shape having a rotary shaft 222 at one end as shown in FIGS. 21 to 23.

The opening and closing door 182 is provided with a rotation shaft 222 between the air inlet end 161 of the annular discharge flow passage 160 and the second air discharge port 175 and rotates while the air inlet end of the annular discharge flow passage 160 161 or shield the second air outlet 175.

On the other hand, when the flat plate-like opening / closing door 182 is arranged to shield the air inlet end 161 and the second air outlet 175 of the annular discharge passage 160, It may cause noise due to fluctuations due to pressure.

Particularly, as in the fifth embodiment of the present invention, the opening / closing door 182 disposed so as to cover the second air discharge port 175 in the structure in which the second air discharge port 175 is located in the upper-right room of the blowing fan 130 Since the air blown from the air blowing fan 130 resists in a planar shape, it receives a lot of air pressure.

Therefore, in the case where the opening and closing door 182 is arranged to shield the air inlet end 161 and the second air outlet 175, a structure is required to fix the opening and closing door 182 so as not to shake.

To this end, in one embodiment, the opening and closing door 182 may have a magnet 184 on its body, and the air inlet end 161 of the annular discharge flow passage 160 and the second air discharge opening 175 are provided with an opening / (For example, iron) receiving the attraction force by the magnetic force of the magnet 184 provided in the magnet 182 may be provided.

In such a configuration, when the opening / closing door 182 is disposed so as to cover the air inlet end 161 and the second air outlet 175, the opening / closing door 182 is attracted to the magnetic body through the suction force by the magnetic force of the magnet 184, Even when pressure is applied, it can be fixed without being shaken.

The magnetic body provided at the air inlet end 161 of the annular discharge passage 160 may be coupled to the frame inside the housing 110 forming the air inlet end 161 and the second air outlet 175 may be coupled to the frame, The magnetic substance provided in the second air discharge port 175 may be composed of an iron perforated mesh member 177 mounted to cover the second air discharge port 175.

The perforated mesh member 177 is mounted so as to cover the second air discharge port 175 so as to pass air therethrough while preventing foreign matter from entering the second air discharge port 175.

Although the first to fifth embodiments of the present invention have been described above, the air conditioner 100 of the present invention is different from the first to fifth embodiments, As shown in FIG.

While the present invention has been particularly shown and described with reference to particular embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention as defined by the following claims I would like to make it clear.

100: air conditioner 110: housing
112: front cover 113: discharge opening
114: rear cover 115: opening
117: air suction part 118: extension casing part
120: Pollution degree sensor 130: Ventilation fan
135: Fan motor 140: Guide frame
141: scroll part 142:
143: air inlet 144:
145: partition wall frame 146: through opening
147: Enclosure 150:
160: annular discharge passage 161: air inlet end
165: first air outlet 167: air guide
168: Through hole 175: Second air outlet
177: Perforation member 180: Flow path switching part
182: opening / closing door 184: magnet
186: motor member 190: grill member
192: guide wing 200:
210: Case 212:
214: limit guide 220:
222: rotation shaft 224: guide projection
230: rotation frame 232: shaft hole
234: Limit projection 236: Frame gear
240: fixed frame 242: guide groove
250: frame drive member 252: rotary gear
254: step motor 300:

Claims (24)

delete A housing having a discharge opening formed in a circular shape on a front surface thereof;
A blowing fan provided inside the housing;
An annular first air discharge port disposed on one side of the housing, the air discharge passage being configured to discharge air in the housing through the air blowing fan;
A second air discharge port constituting a passage through which the air inside the housing flows by the blowing fan;
An annular discharge flow path formed at an inner end of the housing, the end of which forms the first air discharge port;
Wherein at least one of the air inlet end of the annular discharge passage and the second air discharge opening is provided in the housing to open and close at least one of the first air discharge port and the second air discharge port A flow path switching part for guiding the flow path to one side; And
An air guide disposed at the center of the discharge opening and extending to the inside of the housing to extend from one surface of the housing to the other surface and form one surface of the annular discharge passage;
Lt; / RTI &gt;
The housing includes:
And an enclosure for enclosing the air guide around the air guide except for the air inlet end of the annular discharge passage is provided on the other side of the air guide and an opening corresponding to the hollow of the air guide is formed on the other surface, Through holes are formed,
Wherein the annular discharge passage is formed by being surrounded by the air guide and the enclosure which are spaced apart from each other toward the discharge opening and discharging air to a first air discharge port disposed on a front surface of the housing, And forms an exhaust flow together with the air located outside the first air outlet.
3. The method of claim 2,
And the second air outlet is formed at an upper end of the housing.
3. The method of claim 2,
Wherein the flow-
An opening / closing door rotatably installed in the housing and rotating to selectively open / close the air inlet of the annular discharge passage and the second air outlet; And
And a motor member for rotating the opening / closing door.
5. The method of claim 4,
Wherein the opening / closing door is formed in a flat plate shape having a rotary shaft at one end thereof, a magnet is provided in the body,
And a magnetic body for receiving a suction force by the magnetic force of the magnet is provided at an air inlet end of the second air discharge port and the annular discharge passage.
6. The method of claim 5,
Wherein the second air outlet comprises a perforated member made of a magnetic material.
3. The method of claim 2,
Wherein the blowing fan is disposed below the annular discharge flow passage and the second air discharge port and discharges air upward.
8. The method of claim 7,
Wherein the air blowing fan is disposed directly below the second air outlet.
delete 3. The method of claim 2,
A discharge opening formed in a circular shape is formed on one surface of the housing,
And an air guide disposed at the center of the discharge opening and extending into the interior of the housing to form the annular discharge passage.
11. The method of claim 10,
Wherein the air guide has an outer diameter that increases from the inside of the housing to the discharge opening side.
The method according to claim 2 or 11,
Wherein the air guide has an inner hollow formed in a trumpet shape.
delete 13. The method of claim 12,
Further comprising a display unit which covers the hollow of the air guide and displays a driving state or a control button.
3. The method of claim 2,
And an air treatment unit provided in the housing and having at least one function of air purification, dehumidification, and humidification.
16. The method of claim 15,
And the air processing unit is disposed on the air suction side of the blowing fan.
3. The method of claim 2,
Further comprising: a grill member provided at the first air outlet and guiding the discharged air.
18. The method of claim 17,
Wherein the grill member is configured to be detachable from the first air discharge port,
Wherein the flow path switching portion shields the first air outlet when the grill member is separated from the first air outlet.
3. The method of claim 2,
And an adjusting unit adjusting an opening area of the first air outlet.
20. The method of claim 19,
Wherein the controller adjusts an outer diameter and an outer diameter of the first air outlet.
20. The method of claim 19,
Wherein the adjusting portion includes a plurality of shielding plates provided at an outer periphery of the first air discharging opening and movable in a radial direction of the first air discharging opening.
22. The method of claim 21,
The control unit includes:
An annular rotatable frame disposed at equal intervals along an outer periphery of the first air discharge port and supporting each of the shield plates so that each of the shield plates can rotate in a radial direction of the first air discharge port; And
And an annular fixed frame for rotating the plurality of shield plates according to the rotation of the rotating frame.
23. The method of claim 22,
A rotary shaft rotatably coupled to the rotary frame is provided at one end of the cover plate, a guide protrusion is provided at the other end of the cover plate,
The air conditioner according to any one of claims 1 to 5, wherein the fixing frame is slidable with the guide protrusion inserted therein, and the guide groove is elongated in the radial direction of the stationary frame.
23. The method of claim 22,
Wherein the controller further includes a frame driving member that rotates the rotating frame to adjust a rotating angle of the rotating frame.

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