KR20180044131A - Air cleaning apparatus - Google Patents

Abstract

An embodiment of the present invention relates to an air purifier and a control method thereof. The air purifier according to the present embodiment includes a flow regulating device provided on the upper side of an air purifying module, and having a flow regulating fan for regulating the flow direction of the air passing through the air purifying module. The flow regulating device includes a sensor device for setting a reference point for the rotation of the flow regulating device.

Description

[0001]

The present invention relates to an air purifier.

The air purifier is understood to be an apparatus for sucking contaminated air to purify it, and then discharging the purified air. For example, the air cleaner may include a blowing device for introducing outside air into the interior of the air cleaner, and a filter capable of filtering dust and germs in the air.

Generally, an air purifier is configured to purify an interior space such as a home or office. According to the conventional air purifier, its capacity is limited, and there is a problem that purification of air in the entire indoor space is limited. Accordingly, the air around the air cleaner can be cleaned, while the air in the space far from the air cleaner is difficult to clean.

In order to solve this problem, there has been an effort to improve the performance of the fan provided in the air purifier. However, as the amount of air blown from the fan increases, the noise generated from the fan increases, thereby decreasing the reliability of the product.

Consequently, due to the limited capacity of the air cleaner, the user has to clean the air in the desired space while moving the air cleaner.

Regarding conventional air purifiers, the Applicant has disclosed the following prior art documents.

1. Public number (public date): KR10-2012-0071992 (July 3, 2012)

2. Title of the invention:

According to the above prior art, the main body of the air cleaner is provided with an air purifying part such as a fan and a filter inside a case having a substantially rectangular parallelepiped shape. The air intake port is formed in the side portion and the lower portion of the main body of the air cleaner, and the air outlet port is formed in the upper portion of the main body.

According to such a constitution, contaminated air is sucked from the air cleaner in a limited direction, that is, from the side and the lower side, so that the suction capacity is reduced. Further, the corner portion of the case having a rectangular parallelepiped shape acts as a structural resistance which hinders the suction of air.

In addition, since the purified air inside the air cleaner is discharged only in one direction, that is, upward, the air around the air cleaner can be purified, but the purified air can not flow from the air cleaner to a space far from the air cleaner, The air cleaning function is limited.

Further, since only one blowing fan is provided inside the main body of the air cleaner, there is a problem that the blowing capacity is limited.

An object of the present invention is to provide an air cleaner capable of improving the suction capacity of the air sucked into the air cleaner in order to solve the above problems.

Particularly, a suction flow path from the circumferential direction of the air purifier to the inside of the air purifier and a suction flow path through the upper and lower portions of the air purifier are included, so that even if the inner chamber is sitting or standing, And an object thereof is to provide an air purifier.

It is also an object of the present invention to provide an air cleaner that allows air discharged from an air cleaner to be discharged in various directions and reach a long distance. In particular, it is an object of the present invention to provide an air cleaner capable of easily discharging air toward the peripheral space even when the inside air chamber is seated or standing with the discharge air stream being easily generated upwardly, forwardly and laterally with respect to the air cleaner do.

Another object of the present invention is to provide an air cleaner having increased air flow capacity.

It is also an object of the present invention to provide an air cleaner that can be rotated right and left or up and down using a reference point for rotation of the flow control device.

The air purifier according to the present embodiment includes a flow regulating device provided on the upper side of the air purifying module and provided with a flow regulating fan for regulating the flow direction of the air passing through the air purifying module, The regulating device includes a sensor device for determining a reference point for the rotation of the flow regulating device.

The sensor device includes a first hall sensor for determining a first reference point for the upward and downward rotation of the flow control device.

The air cleaning module includes a first magnet member that works with the first hall sensor.

And a second Hall sensor for determining a second reference point for lateral rotation of the flow regulating device.

The air cleaning module includes a second magnet member that operates with the second hall sensor.

The flow control device includes: a first gear motor for generating a driving force; And a first gear interlocked with the first gear motor for guiding an axial reference of the flow regulating device in the left and right directions.

The air cleaning module includes: a first rack interlocked with the first gear; And a shaft guide groove provided at one side of the first rack and into which a gear shaft of the first gear is inserted.

The first hall sensor is located on the end side of the shaft guide groove.

The first magnet member is provided on the gear shaft.

The air cleaning module includes a second discharge guide device for supporting the flow control device, and the second hole sensor is mounted on one surface of the second discharge guide device.

The second magnet member is installed on the bottom surface of the flow regulating device, and when the flow regulating device rotates downward, the second magnet member approaches the second hall sensor.

According to another aspect of the present invention, there is provided a control method for an air cleaner, comprising the step of performing a centering operation of the flow control device when the air cleaner is powered on, wherein the centering operation of the flow control device includes: Recognizing a first reference point based on whether or not the hall sensor senses the second magnet member; And recognizing a second reference point based on whether or not the first hall sensor of the flow regulating device senses the first magnet member.

The step of recognizing the first reference point includes rotating the flow regulating device downward to approach the second magnet member to the second hall sensor.

The step of recognizing the first reference point includes rotating the flow regulating device clockwise or counterclockwise to approach the second magnet member to the hall sensor.

According to the present embodiment, since the suction portion is formed along the outer circumferential surface of the cylindrical case, the suction capacity can be improved, and structural resistance of the case is not generated during the suction of the air.

Particularly, the suction portion includes a plurality of through holes, and the plurality of through holes can be uniformly formed over the entire outer circumferential surface of the case. Therefore, a suction flow path toward the inside of the air cleaner in the direction of 360 degrees with respect to the air cleaner . As a result, the suction area of the air can be increased, and even if the inner chamber is sitting or standing, the air around the room can be sucked sufficiently.

Further, the upward discharge of air can be guided through the second blower, and the forward discharge of the air can be guided by the flow regulating device provided above the second blower. In particular, a flow regulating device may be provided to be rotatable in the vertical direction, and the flow regulating device may be configured such that the flow regulating device is rotated to the upper side of the second blowing device to forward the air passing through the second blowing device and the flow regulating device Can be discharged.

Further, in the course of the rotation of the flow regulating device, the discharge in the left and right direction of the air can be guided. As a result, air discharge is guided in various directions on the basis of the air cleaner, and a discharge airflow can be formed to a great distance from the air cleaner, so that the air cleaning function of the indoor space can be improved. Further, even if the inner chamber is sitting or standing, there is an advantage that the discharge airflow can be easily generated toward the peripheral space.

Further, the flow regulating device is provided with the first guide mechanism for guiding the rotation in the left-right direction and the second guide mechanism for guiding the rotation in the up-down direction, so that the flow regulating device, The discharge airflow can be adjusted while rotating in the left-right direction by the operation of the first guide mechanism in a state in which the discharge airflow is in the first position or the second position in which it is erected inclinedly.

Further, since the reference point is determined by using the hall sensor, and the flow control device can control the left-right rotation or the up-down rotation of the flow control device based on the determined reference point, There is an advantage that it can be easily rotated.

In addition, since the third fan is provided in the flow control device, the air flowing through the second fan is added to the third fan, thereby discharging the air. Therefore, a strong discharge airflow can be generated, so that an effect that an airflow can be reached to a position far from the air cleaner can be obtained.

In addition, since the first guide mechanism or the second guide mechanism includes the gear motor and the gear, respectively, the flow control device can be easily rotated in the vertical direction or in the lateral direction.

Further, since a plurality of air blowing devices are provided, there is an advantage that the air blowing capacity of the air cleaner can be improved.

Also, it is possible to prevent the phenomenon that independent air flows are generated through the first and second air blowing apparatuses to interfere with each other, thereby improving the air flow performance.

In addition, since the filter member is provided in a cylindrical shape, the air can be introduced into the interior of the filter member in all directions outside the filter member, so that the suction area can be increased and thus the air cleaning ability of the filter can be improved . Further, since the filter member can slide in the radial direction toward the filter frame, there is an advantage that the filter member can be easily engaged or detached.

Further, since the air blowing fan includes the turbo fan which sucks the air in the axial direction and discharges the air in the radial direction, the air flow rate can be increased.

1 is a perspective view showing an appearance of an air cleaner according to an embodiment of the present invention.
2 is a perspective view showing the internal structure of the air cleaner according to the embodiment of the present invention.
3 is a cross-sectional view taken along line III-III 'of FIG.
4 is an exploded perspective view showing a configuration of a third air guide device and a second discharge guide device according to an embodiment of the present invention.
5 is a view showing a configuration of a second discharge guide device according to an embodiment of the present invention.
6 is an exploded perspective view showing the configuration of a flow regulating device and an apparatus combined with the flow regulating device according to an embodiment of the present invention.
7 is a bottom perspective view showing a configuration of a flow control device according to an embodiment of the present invention.
8 is a bottom view of a second discharge guide device according to an embodiment of the present invention.
9 is a cross-sectional view showing a combination of a second discharge guide device and a flow control device according to an embodiment of the present invention.
10 is a view showing a state in which a first guide mechanism operates to rotate the flow regulating device in the left-right direction according to the embodiment of the present invention.
11 is an exploded perspective view showing a configuration of a flow control device according to an embodiment of the present invention.
12 is an exploded perspective view of a second discharge guide device according to the embodiment of the present invention and a second guide mechanism for vertically rotating the flow control device.
13 is a view showing a configuration of a rotation guide member according to an embodiment of the present invention.
14 is a view showing a configuration of a second guide mechanism according to an embodiment of the present invention.
15 and 16 are views showing the operation of the rotation guide member according to the embodiment of the present invention.
17 is an exploded perspective view showing a part of the configuration of the flow control device according to the embodiment of the present invention.
18 is a cross-sectional view showing a part of the configuration of the flow control device according to the embodiment of the present invention.
19 and 20 are views showing the flow regulating device according to the embodiment of the present invention being rotated in the lateral direction at the second position.
FIG. 21 is a flow chart showing a control method of the air purifier according to the embodiment of the present invention.
22 to 24 are views showing a state of air flow in an air cleaner according to an embodiment of the present invention.

Hereinafter, some embodiments of the present invention will be described in detail with reference to exemplary drawings. It should be noted that, in adding reference numerals to the constituent elements of the drawings, the same constituent elements are denoted by the same reference symbols as possible even if they are shown in different drawings. In the following description of the embodiments of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the difference that the embodiments of the present invention are not conclusive.

In describing the components of the embodiment of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish the constituent elements from other constituent elements, and the terms do not limit the nature, order or order of the constituent elements. When a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected or connected to the other component, Quot; may be "connected," "coupled," or "connected. &Quot;

1 is a perspective view showing an appearance of an air cleaner according to an embodiment of the present invention.

1, an air purifier 10 according to an embodiment of the present invention includes an air flow device 100, 200 for generating an air flow and a flow control device 100 for switching the discharge direction of the air flow generated in the air flow devices 100, Apparatus 300 is included. The air blowing apparatuses 100 and 200 include a first air blowing apparatus 100 for generating a first air flow and a second air blowing apparatus 200 for generating a second air flow.

The first fan unit 100 and the second fan unit 200 may be arranged in the vertical direction. For example, the second fan unit 200 may be disposed above the first fan unit 100. In this case, the first air flow forms a flow for sucking the indoor air existing on the lower side of the air cleaner 10, and the second air flow is present on the upper side of the air cleaner 10 Thereby forming a flow for sucking indoor air.

The first and second air blowing apparatuses 100 and 200 may be referred to as "first air cleaning module 100" and second air cleaning module 200 "in that they function to purify the air in the clean space The first fan unit 100 may be referred to as a "lower air cleaning module" or a "lower module" in that it is disposed below the air cleaner 10, and the second fan unit 100 200 may be referred to as an " upper air cleaning module "or an" upper module "in that it is disposed above the air cleaner 10.

The air cleaner (10) includes cases (101, 201) forming an outer appearance.

Specifically, the case 101, 201 includes a first case 101 forming an outer appearance of the first fan unit 100. The first case 101 may have a cylindrical shape. The upper portion of the first case 101 may have a smaller diameter than the lower portion. That is, the first case 101 may have a truncated conical shape.

The first case 101 includes a first separator 101a to which two parts constituting the first case 101 are coupled or separated. The first separator 101a may be provided with a locking device such as a locking protrusion or a magnet member. The two parts may be releasably coupled to the first separator 101a by the latching device.

In the first case 101, a first suction part 102 through which air is sucked in a radial direction is formed. The first suction portion 102 includes a through hole formed through at least a portion of the first case 101. A plurality of the first suction portions 102 are formed.

The plurality of first suction portions 102 are uniformly formed in the circumferential direction along the outer circumferential surface of the first case 101 so that air can be sucked in any direction with respect to the first case 101. That is, air can be sucked in the direction of 360 degrees with respect to the vertical center line passing through the inner center of the first case 101.

As described above, the first case 101 is formed in a cylindrical shape and a plurality of the first suction portions 102 are formed along the outer circumferential surface of the first case 101, so that the suction amount of air can be increased. In addition, as in the case of the conventional air cleaner, the effect of avoiding the hexahedron shape having the corner portion can reduce the flow resistance to the air to be sucked.

The air sucked through the first suction portion 102 may flow in a substantially radial direction from the outer circumferential surface of the first case 101. [ Define the direction. 1, the vertical direction is referred to as an axial direction, and the horizontal direction is referred to as a radial direction. The axial direction may correspond to the center axial direction of the first fan 160 and the second fan 260, which will be described later, that is, the motor axial direction of the fan. The radial direction can be understood as a direction perpendicular to the axial direction. The circumferential direction is understood to be an imaginary circular direction formed when the radial distance is rotated around the axial direction as a turning radius.

The first fan unit 100 further includes a base 20 provided below the first case 101 and placed on the ground. The base 20 is spaced downward from the lower end of the first case 101. A base suction part 103 is formed in a space between the first case 101 and the base 20. The air sucked through the base suction unit 103 can be flowed upward through the suction port 112 of the suction grill 110 (see FIG. 2) provided on the upper side of the base 20.

That is, the first fan unit 100 includes a plurality of suction units 102 and 103. The air present in the lower portion of the indoor space can easily flow into the first fan unit 100 through the plurality of suction units 102 and 103. [ Therefore, the intake amount of air can be increased.

A first discharge portion 105 is formed in the upper portion of the first fan unit 100. The first discharge portion 105 may be formed in the first discharge grille 195 of the first discharge guide device 190 (see FIG. 2) provided in the first fan device 100. The first discharge guide device 190 forms an upper end outer appearance of the first fan unit 100. The air discharged through the first discharge portion 105 may flow upward in the axial direction.

The case (101, 201) includes a second case (201) forming an outer appearance of the second fan unit (200). The second case 201 may have a cylindrical shape. The upper portion of the second case 201 may have a smaller diameter than the lower portion. That is, the second case 201 may have a truncated conical shape.

The second case 201 includes two parts that can be separated or combined through the second separation part 201a. The second case 201 may be configured to be openable like the first case 101. For the detailed description, the description of the first case 101 is used.

The diameter of the lower end of the second case 201 may be smaller than the diameter of the upper end of the first case 101. Therefore, in view of the overall shape of the cases 101 and 201, the bottom cross-sectional areas of the cases 101 and 201 are formed larger than the upper cross-sectional area, so that the air cleaner 10 can be stably supported on the ground.

The second case 201 is formed with a second suction part 202 through which air is sucked in the radial direction. The second suction portion 202 includes a through hole formed through at least a portion of the second case 201. A plurality of the second suction portions 202 are formed.

The plurality of second suction portions 202 are uniformly formed in the circumferential direction along the outer circumferential surface of the second case 201 so that air can be sucked in any direction with respect to the second case 201. That is, air can be sucked in the direction of 360 degrees with respect to the vertical center line passing through the inner center of the second case 201.

As described above, the second case 201 is formed in a cylindrical shape, and a plurality of the second suction units 202 are formed along the outer circumferential surface of the second case 201, so that the suction amount of air can be increased. In addition, as in the case of the conventional air cleaner, the effect of avoiding the hexahedron shape having the corner portion can reduce the flow resistance to the air to be sucked. The air sucked through the second suction portion 202 can flow in a substantially radial direction from the outer circumferential surface of the second case 201. [

The air cleaner 10 includes a partitioning device 400 provided between the first fan unit 100 and the second fan unit 200. The partitioning device 400 includes a partition plate 430 for separating or blocking the air flow generated in the first fan unit 100 and the air flow generated in the second fan unit 200 .

The flow regulating device 300 may be installed above the second blower 200. The air flow path of the second fan unit 200 can communicate with the air flow path of the flow control unit 300 on the basis of the air flow. The air having passed through the second fan unit 200 passes through the air passage of the flow control unit 300 and can be discharged to the outside through the second discharge unit 305. The second discharge portion 305 is formed at the upper end of the flow regulating device 300.

The flow regulating device 300 may be movably provided. Specifically, the flow regulating device 300 may be in a lying position (first position), as shown in FIG. 1, or in a sloped position (second position), as shown in FIG. 24 have.

A display device 600 for displaying operation information of the air cleaner 10 is provided on the flow regulating device 300. The display device 600 may move with the flow regulating device 300.

FIG. 2 is a perspective view showing the internal structure of the air purifier according to the embodiment of the present invention, and FIG. 3 is a sectional view taken along line III-III 'of FIG.

2 and 3, the first fan unit 100 according to the embodiment of the present invention includes a base 20 and a suction grill 110 disposed on the upper side of the base 20.

The base 20 includes a base body 21 placed on the ground and a base protrusion 22 protruding upward from the base body 21 and on which the suction grill 110 is placed. The base protrusions 22 may be provided on both sides of the base 20.

By the base projection 22, the base body 21 and the suction grill 110 are spaced from each other. Between the base 20 and the suction grill 110, a base suction part 103 for forming an air suction space is formed.

The suction grill 110 includes a substantially ring-shaped grill body 111 and a rim protruding upward from the outer circumferential surface of the grill body 111. Due to the structure of the grill body 111 and the rim portion, the suction grill 110 may have a stepped configuration.

The suction grill 110 includes a suction portion 112 formed at the rim portion. The suction unit 112 may be configured to protrude upward along the circumference of the rim and may extend in the circumferential direction. In addition, a plurality of suction holes 112a are formed in the suction portion 112. The plurality of suction holes 112a may communicate with the base suction portion 103.

Air sucked through the plurality of suction holes 112a and the base suction unit 103 may pass through the first fitter member 120. [ The first filter member 120 is provided in a cylindrical shape and may have a filter surface for filtering air. The air that has passed through the plurality of suction holes 112a may pass through the outer circumferential surface of the cylindrical first filter member 120 and may enter the interior thereof.

The first fan unit 100 further includes a first filter frame 130 that forms a mounting space for the first filter member 120. In detail, the first filter frame 130 includes a first frame 131 as a "lower frame" forming a lower portion of the first filter frame 130 and a second frame 131 as an upper portion of the first filter frame 130 And a second frame 132 as an "upper frame ". The first and second frames 131 and 132 may have a substantially ring shape.

The first filter frame 130 further includes a first filter support 135 as a "support frame " extending upward from the first frame 131 toward the second frame 132. A plurality of first filter supports 135 may be provided and the plurality of first filter supports 135 may be arranged in the circumferential direction and connected to the rims of the first and second frames 131 and 132.

The mounting space of the first filter member 120 is defined by the first and second frames 131 and 132 and the plurality of first filter supports 135. A first support cover 136 may be coupled to the outside of the first filter support 135.

In the mounting space, the first filter member 120 may be detachably mounted. The first filter member 120 has a cylindrical shape and air can be introduced through the outer peripheral surface of the first filter member 120. In the course of passing through the first filter member 120, impurities such as fine dust in the air can be filtered.

Since the first filter member 120 has a cylindrical shape, it is possible to introduce air in any direction with respect to the first filter member 120. Therefore, the filtering area of the air can be increased.

The mounting space may be formed in a cylindrical shape corresponding to the shape of the first filter member 120. The first filter member 120 may be slidably received in the mounting space during the mounting process. On the contrary, the first filter member 120 can be slidably drawn out from the mounting space in the separation process.

The first fan unit 100 further includes a first fan housing 150 installed at an outlet side of the first filter member 120. The first fan housing 150 is formed with a housing space 152 in which the first fan 160 is housed. The first fan housing 150 may be supported by the first filter frame 130.

A lower portion of the first fan housing 150 includes a first fan inlet 151 for guiding the inflow of air into the first fan housing 150. The first fan inlet 151 is provided with a grill so that when the first filter member 150 is detached, the user can prevent the user from putting his or her fingers into the first fan housing 150 have.

The first fan 160 is placed on the upper side of the first fan inlet 151. For example, the first fan 160 includes a centrifugal fan for introducing air in the axial direction and discharging air upward in the radial direction.

The first fan 160 includes a hub 161 to which a rotary shaft 165a of a first fan motor 165 as a centrifugal fan motor is coupled and a shroud 162 disposed to be spaced apart from the hub 161 And a plurality of blades 163 disposed between the hub 161 and the shroud 162. The first fan motor 165 may be coupled to the upper side of the first fan 160.

The shroud 162 includes a lower end formed with a shroud suction port through which air having passed through the first fan inlet 151 is sucked, and a second blade coupling portion extending upward from the lower end.

One side of the blade 163 is coupled to the first blade coupling portion of the hub 161 and the other side is coupled to the second blade coupling portion of the shroud 162. The plurality of blades 163 may be spaced apart from each other in the circumferential direction of the hub 161.

The first fan unit 100 further includes a first air guide unit 170 coupled to an upper side of the first fan 160 to guide the flow of air passing through the first fan 160 .

The first air guide device 170 includes an outer wall 171 having a cylindrical shape and an inner wall 172 having a cylindrical shape located inside the outer wall 171. The outer wall 171 is disposed so as to surround the inner wall 172. Between the inner circumferential surface of the outer wall 171 and the outer circumferential surface of the inner wall 172, a first air flow path through which air flows is formed.

The first air guide device 170 includes a guide rib 175 disposed in the first air passage. The guide ribs 175 extend from the outer circumferential surface of the inner wall 172 to the inner circumferential surface of the outer wall 171. A plurality of the guide ribs 175 may be spaced apart from each other. The plurality of guide ribs 175 guide the air introduced into the first air passage of the first air guide device 170 through the first fan 160 upward.

The first air guide device 170 further includes a motor receiving portion 173 extending downward from the inner wall 172 to receive the first fan motor 165. The motor receiving portion 173 may be inserted into the hub 161.

The first fan motor 165 can be supported on the upper side of the motor receiving portion 173. The rotary shaft 165a of the first fan motor 165 extends downward from the first fan motor 165 and extends through the bottom of the motor receiving portion 173, Or the like.

The first air guiding device 100 includes a first air guiding device 170 and a second air guiding device 170. The first air guiding device 170 is disposed above the first air guiding device 170, 2 air guide device 180 is further included.

The second air guide device 180 is provided with a first guide wall 181 having a substantially cylindrical shape and a second guide wall 182 located inside the first guide wall 181 and having a substantially cylindrical shape 182). The first guide wall 181 may be disposed to surround the second guide wall 182.

A second air passage through which air flows is formed between the inner circumferential surface of the first guide wall 181 and the outer circumferential surface of the second guide wall 182. Air flowing through the first air passage of the first air guide device 170 passes through the second air passage and flows upward. The second air flow path 185 may be referred to as a "discharge flow path ". A first discharge portion 105 is disposed above the second air flow path.

A first space portion in which at least a part of the PCB device 500 is received is formed inside the second guide wall 182 having a cylindrical shape.

The first air blowing apparatus 100 is disposed at an outlet side of an air flow passing through the second air guide apparatus 180 on the upper side of the second air guide apparatus 180, And a first discharge guide device 190 for guiding the air discharge to the outside of the air cleaner 10. The first discharge guide unit 190 is formed with a first discharge unit 105 through which air is discharged.

A partitioning device 400 is provided between the first fan unit 100 and the second fan unit 200. The partitioning device 400 includes a partition plate 430 for separating or blocking the air flow generated in the first fan unit 100 and the air flow generated in the second fan unit 200 . The first and second fan units 100 and 200 may be spaced apart in the vertical direction by the partition plate 430. That is, a spacing space in which the partition plate 430 is located is formed between the first and second fan units 100 and 200.

The air discharged from the first discharging unit 105 is guided by the partition plate 430 and flows to the outside of the air cleaner 10 and can be prevented from flowing into the second air blowing apparatus 200 have.

The second fan unit 220 includes a second filter unit 220, a second filter frame 230, a second fan housing 250, a second fan 260, and a second fan motor 265 do. The description of these components is made up of the first filter member 120, the filter frame 130, the first fan housing 150, the first fan 160, and the first fan motor 120 provided in the first fan unit 100 165). ≪ / RTI >

FIG. 4 is an exploded perspective view showing a configuration of a third air guide device and a second discharge guide device according to an embodiment of the present invention, FIG. 5 is a view showing a configuration of a second discharge guide device according to an embodiment of the present invention And FIG. 6 is an exploded perspective view showing a configuration of a flow control device and an apparatus combined with the flow control device according to an embodiment of the present invention, and FIG. 7 is a bottom perspective view showing a configuration of a flow control device according to an embodiment of the present invention. FIG. 9 is a cross-sectional view showing a combination of the second discharge guide device and the flow control device according to the embodiment of the present invention. FIG. And FIG. 10 is a view showing a state in which the first guide mechanism operates in the lateral direction rotation of the flow control device according to the embodiment of the present invention.

4 to 10, a second fan unit 200 according to an embodiment of the present invention is coupled to an upper portion of the second fan unit 260, And a third air guide device 270 for guiding the first air guide device 270. [

The third air guiding device 270 includes an outer wall 271 forming an outer circumferential surface of the third air guiding device 270 and an outer wall 271 located inside the outer wall 271, And an inner wall 272 forming an inner peripheral surface. A first air flow path 272a through which air flows is formed between the inner circumferential surface of the outer wall 271 and the outer circumferential surface of the inner wall 272.

The third air guide device 270 includes a guide rib 275 disposed in the first air passage 272a. The guide ribs 275 extend from the outer circumferential surface of the inner wall 272 to the inner circumferential surface of the outer wall 271.

The third air guide device 270 further includes a motor receiving portion 273 extending downward from the inner wall 272 to receive the second fan motor 265. The motor receiving portion 273 may have a bowl shape whose diameter decreases toward the lower portion.

The second fan motor 265 is coupled to the second fan 260 to provide a driving force to the second fan 260. A motor coupling part 266 is provided at one side of the second fan motor 265 and the motor coupling part 266 connects the second fan motor 265 to the third air guide device 270 Guide it to be fixed.

The third air guiding device 270 includes guide devices 276 and 277 for guiding the movement of the flow regulating device 300. The guide devices 276 and 277 include a first rack 276 and a shaft guide groove 277 provided in the motor accommodating portion 273.

The first rack 276 is understood as a structure for guiding the rotation of the flow regulating device 300 in the left-right direction in conjunction with the first gear 360 of the flow regulating device 300. The first rack 276 is provided on the inner circumferential surface of the motor receiving portion 273 and may extend in the circumferential direction according to a set curvature. The length of the first rack 276 may be set to a predetermined length based on a distance that is interlocked with the first gear 360.

The flow regulating device 300 may be rotated in the left-right direction. Here, the "rotation in the horizontal direction" may mean that the rotation in the vertical direction or the axial direction is clockwise or counterclockwise. In this process, the first gear 360 can rotate with a rotation radius set around the rotation axis 354 of the flow control device 300.

The shaft guide groove 277 is a groove that guides the rotation of the first gear 360, and is conceived as a configuration that rounds to a predetermined curvature. For example, the shaft guide groove 277 may be formed to be rounded in the circumferential direction. That is, the shaft guide groove 277 may have a circular arc shape.

The first gear shaft 362 of the first gear 360 may be inserted into the shaft guide groove 277. The first gear shaft 362 may be moved along the shaft guide groove 277 in the course of the rotation of the first gear 360.

The air cleaner 10 may include a first sensor device for sensing a reference point of rotation of the air cleaner 10 in the left-right direction. The first sensor device may include a Hall sensor.

In detail, the third air guiding device 270 includes a first hall sensor 273a for sensing the rotation of the flow regulating device 300 in the left-right direction. For example, the first hall sensor 273a may be installed on the inner surface of the motor receiving portion 273. The first hall sensor 273a may sense the first magnet member 362a provided in the flow control device 300. [

When the first hall sensor 273a senses the magnetic field generated by the first magnet member 362a, it can be recognized that the flow regulating device 300 is located at the reference point. The first magnet member 362a may be provided on the first gear shaft 362 of the flow regulating device 300.

The first hall sensor 273a may be installed at a position where the first magnet member 362a can be sensed when the flow regulating device 300 rotates clockwise or counterclockwise by a maximum angle.

For example, the first Hall sensor 273a may be positioned at the end of the shaft guide groove 277. When the first gear shaft 362 is positioned on the end side of the shaft guide groove 277, the flow regulating device 300 is rotated by a maximum angle in one direction, 273a can act on the first magnet member 362a provided on the first gear shaft 362. [

The second air blowing device 200 is provided with a second air discharge guide device 280 installed at the upper side of the third air guide device 270 for guiding the flow of air passing through the third air guide device 270 . The second discharge guide device 280 supports the flow regulating device 300.

The second discharge guide device 280 may have a substantially annular shape. In detail, the second discharge guide device 280 is provided with a discharge outer wall 281 having a cylindrical shape and forming an outer peripheral surface of the second discharge guide device 280, and a second discharge guide wall 280 located inside the discharge outer wall 281, And a discharge inner wall 282 having a cylindrical shape and forming the inner circumferential surface of the second discharge guide device 280.

The discharge outer wall 281 is disposed so as to surround the discharge inner wall 282. A second air passage 282a is formed between the inner peripheral surface of the discharge outer wall 281 and the outer peripheral surface of the discharge inner wall 282 to allow air to flow through the third air guide device 270, That is, a discharge path is formed. The discharge passage may be located above the first air passage 272a in which the guide ribs 275 are provided.

The second discharge guide device 280 further includes a second discharge grill 288 disposed in the discharge passage 282a. The second discharge grill 288 extends from the outer peripheral surface of the discharge inner wall 282 to the inner peripheral surface of the discharge outer wall 281. By the second discharge grill 288, it is possible to prevent the user from putting the finger under the discharge passage 282a.

The second discharge guide device 280 further includes a rotation guide plate 283 coupled to the discharge inner wall 282. The rotation guide plate 283 may extend from a part of the inner circumferential surface of the discharge inner wall 282 toward the inner center of the second discharge guide device 280.

The rotation guide plate 283 is provided with a cutout portion 286 penetrating in the vertical direction. According to the structure of the cut-out portion 286, the rotation guide plate 283 can be configured not to completely cover the inner space of the discharge inner wall 282.

The cutout 286 is positioned on the upper side of the first rack 276 and guides the first rack 276 to be exposed to the outside. That is, when the third air guide device 270 and the second discharge guide device 280 are coupled, the first rack 276 is exposed upward through the cutout 286, The first gear 360 may be coupled to the first gear 360 provided in the second gear 300.

The rotation guide plate 283 includes an axis inserting portion 284 for providing the rotation center of the flow regulating device 300 in the left and right direction. The shaft insertion portion 284 is provided with a shaft insertion hole 284a into which the rotation shaft 354 is inserted and a reinforcing rib 284 extending outside the shaft insertion hole 284 and coupled to the rotation guide plate 283. [ (284b).

The reinforcing rib 284b may perform a function of dispersing a load transmitted to the rotation guide plate 283 when the rotation shaft 354 is coupled to the shaft insertion portion 284 and rotates. That is, the reinforcing rib 284b can reinforce the strength of the rotation guide plate 283. For example, the plurality of reinforcing ribs 284b may be provided and extend from the shaft insertion hole 284a in a plurality of outward directions.

 The shaft insertion portion 284 may be located at an inner center portion of the second discharge guide device 280. The rotation guide plate 283 may be understood as a support plate for supporting the shaft insertion portion 284.

The rotation guide plate 283 further includes a bearing groove 285. In the bearing groove 285, a first bearing 353 provided in the flow regulating device 300 may be inserted. The bearing groove 285 is understood to be a configuration which is rounded to a curvature set as a groove for guiding the movement of the first bearing 353. For example, the bearing groove 285 may be formed to be rounded in the circumferential direction. That is, the bearing groove 285 may have a circular arc shape.

The first bearing 353 can be inserted into the bearing groove 285 to move in the rotation direction of the flow regulating device 300, The frictional force can be reduced.

The flow regulating device 300 includes a third fan housing 310 in which a third fan 330 is accommodated. The third fan housing 310 has a substantially annular shape. In detail, the third fan housing 310 includes a housing body 311 having an annular shape and a housing cover 312 coupled to the outer peripheral surface of the housing body 311 and supported by the housing body 311 . The housing cover 312 forms an outer appearance of the third fan housing 310.

The first fan 160 and the second fan 260 may be referred to as a "main fan", and the third fan 330 may be referred to as a "sub-fan". In other words, the first and second fans 160 and 260 may be referred to as a blowing fan, and the third fan 330 may be referred to as a flow control fan.

The housing cover 312 is disposed to surround the housing body 311, and the housing body 311 and the housing cover 312 can be rotated or moved together. The third fan 330 is accommodated in the housing body 311. In the inner space of the housing main body 311, a flow path through which air flows by the driving of the third fan 330 is formed. The third fan 330 includes a blade 333 disposed in the flow path of the housing main body 311. The air flowing by the rotation of the blade 333 is discharged to the second discharge portion 305 through the inner space of the housing main body 311.

A discharge grill 315 is formed on the third fan housing 310 to form a second discharge portion 305 through which air having passed through the third fan 330 is discharged.

The air cleaner 10 is provided with the second discharging portion 305 together with the first discharging portion 105 of the first air blowing apparatus 100 so that the discharged air amount is improved and air is discharged in various directions Effect appears.

The discharge grille 315 further includes a depressed portion 318 having a shape recessed in a substantially central portion of the discharge grille 315 and supporting the display device 600. The display device 600 may be seated on the depression 318.

The third fan 330 may include an axial flow fan. In detail, the third fan 330 may be operated to discharge the axially introduced air axially. That is, the third fan (330) passes through the second fan (260), the first air passage (272a) of the third air guide device (270) and the discharge passage (282a) of the second discharge guide device May be discharged from the third fan 330 and discharged to the outside through the second discharge portion 305 located on the upper side of the third fan 330. [

The third fan 330 includes a hub 331 having a shaft coupling portion to which a rotary shaft 336 of a third fan motor 335 that is an axial fan motor is coupled and a plurality of The blade 333 is included. The third fan motor 335 is coupled to the lower side of the third fan 330 and may be disposed inside the third motor housing 335a (see FIG. 17).

The first fan motor 165 and the second fan motor 265 may be arranged in a line with respect to the longitudinal direction of the air cleaner 10. The second fan motor 265 and the third fan motor 335 may be arranged in a line with respect to the longitudinal direction of the air cleaner 10. That is, the first fan motor 165, the second fan motor 265, and the third fan motor 335 may be positioned on the same axis line.

The flow regulating device 300 is provided with a flow guide part coupled to a lower side of the third fan housing 310 and guiding the air passing through the second discharge guide device 280 to the third fan housing 310 320). The flow guide part 320 includes an inlet grill 325 for guiding the inflow of air into the third fan housing 310. The inlet grill 325 may have a concave shape downward.

The shape of the second discharge grill 288 of the second discharge guide device 280 is concave downwardly corresponding to the shape of the inflow grill 325. The inflow grill 325 may be seated above the second discharge grill 288. With such a construction, the inflow grill 325 can be stably supported on the second discharge grill 288.

The flow regulating device 300 includes a rotation guide device 350 installed below the flow guide part 320 and guiding the rotation of the flow regulating device 300 in the lateral direction or the upward and downward directions . The rotation in the left and right direction may mean rotation in the clockwise or counterclockwise direction with respect to the axial direction. The rotation in the left-right direction may be referred to as "rotation in the first direction ", and the rotation in the up-down direction may be referred to as the" rotation in the second direction ".

The rotation guide unit 350 includes a guide body 351 coupled to the flow guide unit 320. The guide body 351 includes a lower face portion 351a on which the first and second guide mechanisms are installed and a frame portion 351b provided on an edge of the lower face portion 351a and protruding downward.

The rotation guide device 350 is provided with a first guide mechanism for guiding rotation of the flow regulating device 300 in the first direction and a second guide mechanism for guiding rotation of the flow regulating device 300 in the second direction And a guide mechanism.

In detail, the first guide mechanism includes a first gear motor 363 for generating a driving force and a first gear 360 coupled to the first gear motor 363 for rotation. For example, the first gear motor 363 may include a step motor that can easily control the rotation angle. The first gear motor 363 may include a motor capable of rotating in both directions.

The first gear 360 is coupled to the motor shaft of the first gear motor 363. The first guide mechanism is provided with a first gear shaft 362 extending downward from the first gear 360, that is, toward the third air guide device 270 or the second discharge guide device 280 .

The first gear shaft 362 is provided with a first magnet member 362a that is sensed by the first Hall sensor 273a. As another example, the first gear shaft 362 itself may be constituted by a magnet member.

When the first magnet member 362a approaches the first hall sensor 273a, the first hall sensor 273a recognizes a voltage change due to a change in magnetic field. In detail, when the first gear 360 and the first gear shaft 362 rotate clockwise or counterclockwise by a maximum angle, that is, when the flow regulating device 300 rotates clockwise or counterclockwise, When rotated by an angle, the first hall sensor 273a can sense the first magnet member 362a.

According to this configuration, the flow regulating device 300 can be continuously rotated clockwise or counterclockwise until the first hall sensor 273a senses the first magnet member 362a, When the first hall sensor 273a senses the first magnet member 362a, the flow regulating device 300 can be recognized as being located at the "starting point" or "datum point" .

The first gear 360 is gear-engaged with the first rack 276 of the third air guide device 270 and can be interlocked with the first gear 360. A plurality of gears are formed in the first gear 360 and the first rack 276. When the first gear motor 363 is driven, the first gear 360 rotates and interlocks with the first rack 276. At this time, since the third air guide device 270 has a fixed structure, the first gear 360 can be moved along the first rack 276.

The shaft guide groove 277 of the third air guide device 270 can guide the movement of the first gear 360. In detail, the first gear shaft 362 can be inserted into the shaft guide groove 277. The first gear shaft 362 may be moved in the circumferential direction along the shaft guide groove 277 during the rotation of the first gear 360.

The first guide mechanism further includes a rotation shaft (354) constituting a rotation center of the flow regulating device (300). The rotation shaft 354 may be provided below the fixed guide member 352 to be described later. The first gear 360 and the first gear shaft 362 may be rotated with a rotation radius set around the rotation axis 354. At this time, the set turning radius is called "first turning radius ".

The guide body 351 is provided with a penetration portion 351d penetrating in the vertical direction. The rotating shaft 354 may be disposed above the penetrating portion 351d. The shaft insertion portion 284 of the second discharge guide device 280 extends toward the rotation shaft 354 through the penetration portion 351d. The rotation shaft 354 may be coupled to a coupling member 289a provided on the shaft insertion portion 284. [

The first guide mechanism further includes a coupling member 289a and center bearings 289b and 289c provided in the shaft insertion portion 284 for stable rotation of the flow regulating device 300. [

At least a part of the rotation shaft 354 is inserted into the shaft insertion hole 284a and the coupling member 289a moves upward from the lower side of the rotation guide plate 283 to be engaged with the rotation shaft 354. [ . For example, the rotation shaft 354 and the fastening member 289a may be screwed.

The fastening member 289a includes a fastening portion 289d inserted into the rotation shaft 354 and a head portion 289e provided below the fastening portion 289d. During the rotation of the rotary shaft 354, the coupling member 289a may be rotated together with the rotary shaft 354.

The center bearings 289b and 289c are provided on the outer side of the rotary shaft 354 or on the outer side of the coupling member 289a and are understood to be components that support the rotary shaft 354 and the coupling member 289a. The center bearings 289b and 289c may be positioned inside the shaft insertion hole 284a.

In detail, the center bearings 289b and 289c include a first center bearing 289b coupled to the outer circumferential surface of the rotation shaft 354. [ The first center bearing 289b is disposed between the lower outer circumferential surface of the rotary shaft 354 and the upper inner circumferential surface of the shaft insertion hole 284a to reduce the frictional force generated by the movement of the rotary shaft 354 .

The center bearings 289b and 289c further include a second center bearing 289c coupled to the outer circumferential surface of the coupling member 289a. The second center bearing 289c is disposed between the lower end of the rotary shaft 354 and the head portion 289e to reduce the frictional force generated by the movement of the coupling member 289a.

The first rack 276 and the shaft guide groove 277 may have a length corresponding to the rotation amount or the rotation angle of the flow regulating device 300. In detail, the circumferential length of the first rack 276 and the shaft guide groove 277 may be formed to be slightly larger than a circumferential distance in which the flow regulating device 300 rotates. Accordingly, it is possible to prevent the first gear 360 from being detached from the first rack 276 while the first gear 360 is moving. In addition, it is possible to prevent the first gear shaft 362 from interfering with the end of the shaft guide groove 277 during the movement of the first gear shaft 362.

When the first gear 360 rotates, the first gear shaft 362 and the first gear 360 rotate in the circumferential direction around the rotation shaft 354. The rotation shaft 354 is rotated in the shaft insertion portion 284. Accordingly, the flow regulating device 300 can be rotated in the first direction, that is, clockwise or counterclockwise, with the longitudinal direction as the axial direction.

The first guide mechanism further includes bearings (353, 355) for facilitating rotation of the flow regulating device (300) in the first direction. The bearings 353 and 355 can reduce the frictional force generated during the rotation process of the flow regulating device 300.

The bearings 353 and 355 include a first bearing 353 provided on a lower surface 351a of the guide body 351. For example, the first bearing 353 may include a ball bearing. The first guide mechanism further includes a bearing support portion 353a protruding downward from the lower surface portion 351a to support the first bearing 353. The bearing support portion 353a is formed to have a predetermined length and guides the first bearing 353 to be disposed at a position where the first bearing 353 can contact the rotation guide plate 283.

The rotation guide plate 283 includes a bearing groove 285 into which the first bearing 353 is inserted. In the course of the flow regulating device 300 rotating in the first direction, the first bearing 353 may be inserted into the bearing groove 285 and moved.

At this time, the first bearing 353 may be rotated at a predetermined rotation radius around the rotation shaft 354. At this time, the set turning radius is referred to as "second turning radius ". The second rotation radius may be smaller than the first rotation radius. That is, the distance from the rotation shaft 354 to the first bearing 353 may be shorter than the distance from the rotation shaft 354 to the first gear shaft 362. With such a configuration, the lower surface portion 351a can be stably supported on the third air guide device 270 and the second discharge guide device 280 and can be rotated evenly over the entire area.

When the first gear shaft 362 moves along the shaft guide groove 277, the first bearing 353 can be moved along the bearing groove 285. In order to smoothly move the first gear shaft 362 and the first bearing 353, a set curvature of the shaft guide groove 277 and a predetermined curvature of the bearing groove 285 may be the same.

The bearings 353 and 355 further include the second bearings 355. The second bearing 355 may be rotatably installed on the rim 351b. A bearing insertion portion 351c to which the second bearing 355 is coupled may be formed in the rim portion 351b. The bearing insertion portion 351c may be recessed upward from the bottom surface of the rim 351b. A plurality of the second bearings 355 may be provided.

The second bearing 355 may be provided so as to be capable of contacting the discharge inner wall 282 of the second discharge guide device 280. In other words, the inner peripheral surface of the discharge inner wall 282 may be provided on the second bearing 355 Can be formed. The rotation of the flow regulating device 300 in the first direction can be facilitated by rotating the second bearing 355 along the inner circumferential surface of the discharge inner wall 282 with the rotation shaft 354 as the center.

Referring to Fig. 10, the rotation of the flow regulating device 300 in the first direction will be briefly described.

When the first gear motor 363 is operated, the first gear 360 can be rotated. The first gear motor 363 rotates clockwise or counterclockwise when viewed from above, and the first gear 360 can rotate clockwise or counterclockwise correspondingly.

For example, when the first gear motor 363 rotates clockwise, the first gear 360 and the first gear shaft 362 can move counterclockwise along the shaft guide groove 277 . On the other hand, when the first gear motor 363 rotates counterclockwise, the first gear 360 and the first gear shaft 362 can move clockwise along the shaft guide groove 277 .

According to the movement of the first gear 360 in the clockwise or counterclockwise direction, the flow regulating device 300 can rotate in the same direction as the moving direction of the first gear 360. In this process, the first bearing 353 moves along the bearing groove 285, and the second bearing 355 moves along the inner peripheral surface of the discharge inner wall 282. The flow regulating device 300 can be rotated along the predetermined path in the left and right directions while being stably supported by the third air guide device 270 and the second discharge guide device 280. [ have.

Meanwhile, when the first gear 360 rotates clockwise or counterclockwise, the first magnet member 362a may be positioned so as to be close to the first hall sensor 273a. In FIG. 10, for example, the first magnet member 362a approaches the first Hall sensor 273a when the first gear 360 rotates counterclockwise.

As the first magnet member 362a approaches, the first Hall sensor 273a can sense that the flow regulating device 300 is located at the origin through the change of the magnetic field.

FIG. 11 is an exploded perspective view showing a configuration of a flow control device according to an embodiment of the present invention, FIG. 12 is a sectional view of a second discharge guide device according to an embodiment of the present invention, FIG. 13 is a view showing a configuration of a rotation guide member according to an embodiment of the present invention, and FIG. 14 is a view showing a configuration of a second guide mechanism according to an embodiment of the present invention.

Referring to FIGS. 11 to 14, the flow regulating device 300 according to the embodiment of the present invention includes a second guide mechanism for guiding the flow regulating device 300 to rotate in a vertical direction.

In detail, the second guide mechanism includes a fixing guide member 352 fixed to the guide body 351. The guide body 351 supports the lower side of the fixed guide member 352. The center shaft 354 may be provided on a lower surface of the fixed guide member 352.

The second guide mechanism includes a fixed support portion 356 provided on the guide body 351 and supporting the fixed guide member 352. The fixed support portion 356 is configured to extend upward from the guide body 351.

The stationary support 356 includes a side support 356a for supporting both sides of the stationary guide member 352 and a rear support 356b for supporting the rear side of the stationary guide member 352. [ Two side support portions 356a are provided, and the rear support portion 356b is connected between the two side support portions 356a. Here, the "rearward" may refer to a direction in which the rotation guide member 370 moves when the flow regulating device 300 rotates upward. Conversely, "forward" may mean a direction in which the rotation guide member 370 moves when the flow regulating device 300 rotates downward.

A mounting space portion 356c in which the second gear motor 367 is mounted is formed in the fixed support portion 356. The mounting space portion 356c is defined by the two side support portions 356a and the rear support portion 356b and forms an inner space of the two side support portions 356a and the rear support portion 356b.

A first guide bearing 359 which is provided to be able to contact the rotation guide member 370 and is capable of reducing the frictional force generated when the rotation guide member 370 is rotated, . The first guide bearings 359 may be provided on the two side support portions 356a.

The first guide bearing 359 includes a top bearing 359a contacting the top surface of the rotation guide member 370 and a bottom bearing 359b contacting the bottom surface of the rotation guide member 370 . The first guide bearing 359 may include two upper surface bearings 359a and two lower surface bearings 359b since the two side surface support portions 356a are provided.

The upper surface bearing 359a and the lower surface bearing 359b are spaced forward and backward and the rotation guide member 370 is guided by the first guide bearing 359 and can be moved in the spaced space.

The stationary guide member 352 includes a stationary guide body 352a that supports the lower side of the rotation guide member 370 and guides the rotation of the rotation guide member 370 in the second direction. The fixed guide body 352a may include a first guide surface 352f extending upwardly or downwardly corresponding to the rotation path of the rotation guide member 370. [

The stationary guide member 352 further includes a second gear insertion portion 352b through which the second gear 365 can be inserted for rotation of the rotation guide member 370. [ For example, the second gear insertion portion 352b may be formed by cutting at least a portion of the fixed guide body 352a. The second gear 365 is positioned below the fixed guide body 352a and at least a portion of the second gear 365 passes through the second gear insertion portion 352b, And may protrude upward from the upper surface 352b.

The second guide mechanism further includes a second gear motor (367) coupled to the second gear (365) to provide a driving force. For example, the second gear motor 367 may include a step motor. The second gear motor 367 may include a motor capable of bi-directional rotation. The second gear shaft 366 (see FIG. 23) of the second gear motor 367 may be connected to the second gear motor 367. When the second gear motor 367 is driven, the second gear shaft and the second gear 365 may be rotated together.

The fixing guide member 352 further includes a first conduit tube portion 352c through which electric wires can pass. For example, the first conduit tube portion 352c may be formed by cutting at least a portion of the fixed guide body 352a. The electric wire may be configured to connect the second gear motor 367 and a PCB device (not shown) of the flow control device 300.

The second guide mechanism further includes a rotation guide member 370 disposed on the upper side of the fixed guide member 352 and rotatable in the vertical direction. The rotation guide member 370 may be coupled to the lower portion of the flow guide unit 320.

In detail, the rotation guide member 370 includes a rotation guide body 371 supported by the fixed guide member 352. The rotation guide body 371 includes a second guide surface 372 that moves along the first guide surface 352f of the fixed guide body 352a. The second guide surface 372 constitutes the bottom surface of the rotation guide main body 371 and may be formed to be rounded upward or downward corresponding to the curvature of the first guide surface 352f. The second rack 374 provided on the second guide surface 372 may also be rounded so as to have a curvature corresponding to the radius of rotation of the flow regulating device 300.

The rotation guide member 370 is provided with a second guide bearing 375 which is provided so as to be able to contact with the fixed guide member 352 and can reduce the frictional force generated when the rotation guide member 370 rotates . The second guide bearing 375 is located on both sides of the second guide surface 372 and can move along the first guide surface 352f in the course of rotation of the rotation guide member 370. [ The second guide surface 372 may be slightly spaced upward from the first guide surface 352f by the second guide bearing 375. [

The rotation guide body 371 further includes a second conduit tube portion 378 through which electric wires can pass. For example, the second conduit tube portion 378 may be formed by cutting at least a portion of the rotation guide body 371. The electric wire may extend through the first conduit tube portion 352c and the second conduit tube portion 378.

In order to prevent the electric wire from interfering with the first conduit tube portion 352c or the second conduit tube portion 378 during the movement of the rotation guide member 370, the first and second conduit tube portions 352c, 378 may be formed to be sufficiently large. The first and second conduit pipe sections 352c and 378 may be moved upward and downward in a state in which the rotation guide member 370 is moved upward to the maximum or the rotation guide member 370 is moved to the maximum extent . That is, at least a part of the first and second conduit tubes 352c and 378 may be arranged to overlap in the vertical direction.

The rotation guide member 370 further includes a support portion 376 protruding upward from the rotation guide body 371 to support the guide supporter 380 (see FIG. 18). The support portion 376 may be elongated in the forward and backward directions at a substantially central portion of the rotation guide body 371.

The rotation guide member 370 includes fastening portions 377a, 377b, and 377c coupled to the guide supporter 380 or the third fan housing 310. The fastening portions 377a, 377b, and 377c include first fastening portions 377a coupled to the guide supporter 380. The first fastening part 377a is provided on the support part 376 and may be coupled to the supporter fastening part 383 of the guide supporter 380. [

The coupling portions 377a, 377b, and 377c include second and third coupling portions 377b and 377c coupled to the third fan housing 310, respectively. The second fastening portion 377b is provided at a front portion of the rotation guide member 370 and may be coupled to the first housing fastening portion 339a of the third fan housing 310. [ The third fastening portion 377c is provided at a rear portion of the rotation guide member 370 and may be coupled to the second housing fastening portion 339b of the third fan housing 310. [ The first housing coupling portion 339a may be provided on a lower side of the third fan housing 310 and the second housing coupling portion 339b may be provided on the other side of the lower portion of the third fan housing 310. [ have.

The coupling portions 377a, 377b, and 377c may be coupled to the guide supporter 380 and the third fan housing 310, respectively, by a predetermined fastening member.

The rotation guide member 370 further includes a second rack 374 interlocked with the second gear 365. A plurality of gears are formed in the second gear 365 and the second rack 374 and the second gear 365 and the second rack 374 are gear- .

When the second gear motor 367 is driven, the rotation guide member 370 can move in the vertical direction by interlocking the second gear 365 and the second rack 374 have. Accordingly, the flow regulating device 300 can perform the second direction rotation according to the movement of the rotation guide member 370.

Meanwhile, the air cleaner 10 may include a second sensor device for sensing a reference point of rotation of the air cleaner 10 in the up and down direction. The second sensor device may include a Hall sensor.

In detail, the second discharge guide device 280 includes a second hall sensor 281a for sensing the rotation of the flow regulating device 300 in the up and down direction. For example, the first hall sensor 281a may be installed on the inner surface of the discharge outer wall 281. [ The second hall sensor 281a may sense the second magnet member 311a (see FIG. 7) provided in the flow regulating device 300. As shown in FIG.

The second magnet member 311a may be positioned on the bottom surface of the housing main body 311. [ When the flow regulating device 300 is in the first position lying in the transverse direction, the second magnet member 311 comes close to the second hall sensor 281a and the second hall sensor 281a Senses a change in the magnetic field due to the approach of the second magnet member 311.

When the second hall sensor 281a senses the second magnet member 311, the flow regulating device 300 is recognized as being located at the reference point of the upward / downward rotation. As described above, the reference point of the rotation of the flow regulating device 300 in the longitudinal direction may be referred to as a " first reference point "and the reference point of lateral rotation may be referred to as a" second reference point ".

15 and 16 are views showing the operation of the rotation guide member according to the embodiment of the present invention.

Referring to Figs. 15 and 16, the rotation of the flow regulating device 300 in the second direction will be briefly described.

When the second gear motor 367 is operated, the second gear 365 can be rotated. The second gear motor 367 rotates clockwise or counterclockwise with respect to the radial direction, and the second gear 365 can rotate clockwise or counterclockwise correspondingly.

For example, when the second gear motor 367 rotates clockwise, the second gear 365 rotates in a clockwise direction and the second rack 374 rotates counterclockwise with the second gear 365, The rotation in the clockwise direction, that is, the downward movement can be performed. As the second rack 374 rotates, the rotation guide member 370 and the flow guide part 320 can rotate together. As a result, the fan housing 310 rotates counterclockwise, and the flow regulating device 300 can be moved to a lying position as shown in FIG.

On the other hand, when the second gear motor 367 rotates counterclockwise, the second gear 365 rotates in a counterclockwise direction and the second rack 374 is coupled to the second gear 365 So that it is possible to perform the rotation in the clockwise direction, that is, the upward movement. As the second rack 374 rotates, the rotation guide member 370 and the flow guide unit 320 can rotate together. As a result, the fan housing 310 rotates in a clockwise direction, and the flow regulating device 300 can be moved to an inclined position as shown in FIG. By such an action, the flow regulating device 300 can be stably rotated along a predetermined path in the vertical direction.

FIG. 17 is an exploded perspective view showing a part of the flow regulating apparatus according to the embodiment of the present invention, and FIG. 18 is a sectional view showing a part of the flow regulating apparatus according to the embodiment of the present invention.

17 and 18, the flow control device 300 according to the embodiment of the present invention includes a fixed guide member 352, a rotation guide member (not shown) movably provided on the upper side of the fixed guide member 352, A guide supporter 380 coupled to an upper side of the rotation guide member 370 and a third fan housing 310 coupled to an upper side of the guide supporter 380.

When the flow regulating device 300 rotates in the clockwise direction or the counterclockwise direction based on the imaginary center axis in the radial direction, the rotation guide member 370, the guide supporter 370, The third fan housing 310 and the third fan housing 310 may be rotated together.

As described above, the rotation guide member 370 may be coupled to the guide supporter 380 and the third fan housing 310 through a plurality of fastening portions 377a, 377b, and 377c.

The guide supporter 380 includes a supporter support portion 381 extending in a round shape so as to have a shape corresponding to the second guide surface 372 of the rotation guide member 370. The supporter supporting portion 381 is placed on the second guide surface 372 and can be configured to support the third fan motor 335. [

The third fan housing 310 is provided with a third fan 330. The third fan 330 includes a hub 331 coupled to the third fan motor 335 and a plurality of blades 333 coupled to the hub 331 in the circumferential direction.

The third fan motor 335 having the rotation shaft 336 is coupled to the lower side of the third fan 330 and may be disposed inside the third motor housing 335a. The rotation shaft 336 protrudes to the upper side of the third motor housing 335a and the third fan 330 can be coupled to the rotation shaft 336. [ The first housing coupling portion 339a and the second housing coupling portion 339b may be formed on both sides of the third motor housing 335a.

A motor coupling portion 266 is provided on the third fan 330 and the motor coupling portion 266 is configured to fix the third fan motor 335 to the third motor housing 335a .

19 and 20 are views showing a flow regulating device according to an embodiment of the present invention in a second position. FIG. 19 shows a state in which the flow regulating device 300 is rotated by a maximum angle in the left direction, and FIG. 20 shows a state in which the flow regulating device 300 is rotated in the right direction by a maximum angle. The flow regulating device 300 may have a rotation angle of 90 degrees in order to rotate from the position of FIG. 19 to the position of FIG.

19, the first hall sensor 372a senses the first magnet member 362a, and this position is detected by the flow regulating device 300, As shown in FIG. After the second reference point is recognized, the flow regulating device 300 may be positioned so that it is rotated forward by 45 degrees to look forward. Here, the forward direction can be understood as a direction in which the first filter member 120 slides out and enters.

19 and 20, the flow regulating device 300 according to the embodiment of the present invention is configured such that the rotation guide member 370 protrudes upward from the second discharge guide device 280, (Second position) in which the fan housing 310 is raised upward. On the other hand, Figs. 1 and 2 show a state in which the flow regulating device 300 is lying (first position).

That is, the flow regulating device 300 operates to be able to rotate up and down in the direction of "B ", and can be in the first position or the second position. When the flow regulating device 300 is in the first position, the inlet grill 325 is seated on the upper surface of the second discharge grill 288. On the other hand, when the flow regulating device 300 is in the second position, the inflow grill 325 may be spaced upward from the upper surface of the second discharge grill 288.

The third fan 330 may selectively operate depending on whether the flow regulating device 300 is in the first position or the second position.

In detail, in a state where the flow regulating device 300 is in the first position, the first and second fans 160 and 260 may rotate to generate an air flow. Air suction and discharge (first flow) at the lower portion of the air cleaner 10 can be generated by operation of the first fan 160. Air suction and discharge (second flow) at the upper portion of the air cleaner 10 can be generated by operation of the second fan 260. The first flow and the second flow may be separated by the partitioning device (400).

The third fan 330 may be selectively operated. When the third fan 330 is operated, the second flow can be generated more strongly. That is, the second fan (260) and the third fan (330) generate a strong discharge airflow in the upper portion of the air cleaner (10) and can be discharged through the second discharge portion (305). Of course, the third fan 330 may not operate.

Meanwhile, the flow regulating device 300 can be moved from the first position to the second position. In one example, the flow regulating device 300 may be in the second position by rotating 60 degrees upward in the first position.

Specifically, the first position forms a first reference point for the vertical rotation of the flow regulating device 300. That is, the flow regulating device 300 is arranged to be laid so that when the second hall sensor 281a senses the second magnet member 311a, It can be a reference point. After the first reference point is recognized, the flow regulating device 300 may be slanted upward toward the upper side of the upper module 200 by an angle of 60 degrees upward.

In a state where the flow regulating device 300 is in the second position, the first and second fans 160 and 260 may rotate to generate the first and second flows. The third fan 330 may operate.

At least part of the air discharged through the discharge passage 282a of the second discharge guide unit 280 flows into the third fan housing 310 through the operation of the third fan 330, And may be discharged from the second discharge portion 305 through the third fan 330. [ By this action, the purified air can reach a position far from the air cleaner 10 (see FIG. 24).

The flow regulating device 300 can be rotated in the left-right direction with respect to the axial direction (the A direction) in the second position. For example, the flow regulating device 300 can be rotated repeatedly from the left 45 degrees to the right 45 degrees about the front of the air cleaner 10. That is, the rotation angle of the flow regulating device 300 may be about 90 degrees.

As described above, since the flow regulating device 300 can be rotated in the lateral direction with respect to the axial direction, the effect of discharging the discharge air stream to various distances in various directions around the air cleaner 10 can be obtained.

FIG. 21 is a flow chart showing a control method of the air purifier according to the embodiment of the present invention. A control method of the air cleaner according to the embodiment of the present invention will be described with reference to FIG.

When the power of the air cleaner 10 is turned on, the flow regulating device 300 can perform an operation of recognizing a reference point, that is, a "centering operation" (S11) using a Hall sensor and a magnet member.

Specifically, the second hall sensor 281a of the flow regulating device 300 recognizes whether or not it senses the second magnet member 311a. If the second hall sensor 281a senses the second magnet member 311a, the flow regulating device 300 can be recognized as being located at the first reference point for the vertical rotation.

On the other hand, if the second hall sensor 281a does not sense the second magnet member 311a, the flow regulating device 300 is recognized as not being located at the first reference point, and the flow regulating device 300 May be rotated downward until the second hall sensor 281a senses the second magnet member 311a.

If the flow regulating device 300 is recognized as being located at the first reference point, the flow regulating device 300 may be rotated upward by a first set angle. For example, the setting angle is 60 degrees. When the flow regulating device 300 is rotated upward, the flow regulating device 300 is located in a position inclined upward from the upper module 200.

In this state, the flow regulating device 300 can rotate clockwise or counterclockwise until the first hall sensor 273a senses the first magnet member 362a. When the first hall sensor 273a senses the first magnet member 362a, the flow regulating device 300 can be recognized as being located at the second reference point.

When the second reference point is recognized, the flow regulating device 300 may be positioned to face the air cleaner 10 in the opposite direction by a second set angle. For example, the second set angle may be 45 degrees. The opposite direction refers to a direction opposite to the direction in which the flow regulating device 300 rotates, that is, counterclockwise or clockwise to recognize the second reference point.

When the flow regulating device 300 rotates by the second set angle, the flow regulating device 300 may be rotated downward to move to the laid position. At this time, the flow regulating device 300 may be rotated downward to a position where the second hall sensor 281a senses the second magnet member 311a.

When both of these operations are performed, the flow regulating device 300 is in the "operation start position" using the first and second reference points (S12).

The display device 600 may include an input unit for inputting an operation mode. The user can input one of the plurality of operation modes using the input unit. The plurality of operation modes include a "single mode" in which the lower module 100 is operated singly, a "dual mode" in which a combination operation of the upper and lower modules 100 and 200 is performed, And the circulation mode in which the combined operation of the flow regulating device 300 is performed. Here, the operation of the flow regulating device 300 in the "circulation mode " means that the flow regulating device 300 is operated in the state of the second position projecting obliquely upward to the upper module 200 do.

If one of the three operation modes is selected, the operation of the air cleaner 10 is performed according to the selected operation mode (S13).

During the operation of the air cleaner 10, it is recognized whether or not the electric supply is stopped and then restarted. Here, when the electricity supply is interrupted, it may include a sudden power failure, or a case where the power line is suddenly disconnected during the operation of the air cleaner 10. When the electricity supply is interrupted, the movement of the flow regulating device 300 may be abruptly stopped.

Thereafter, when the air supply is again performed and the air purifier 10 is re-operated, the air purifier 10 performs the centering operation of the flow regulating device 300, and then continues the operation. The description of the centering operation is based on the description of step S12 (S14, S15). The control method in steps S13 to S15 can be continued until the power of the air cleaner 10 is turned off.

According to this control method, when the air purifier 10 is operated for the first time after the power is turned on, or when the unexpected electric supply is stopped again, the flow regulating device is rotated in the vertical direction, Since the operation can be performed after recognizing the position using the reference point for the reference position, the reliability of the drawing can be improved.

22 to 24 are views showing a state of air flow in an air cleaner according to an embodiment of the present invention.

First, the flow of air in accordance with the driving of the first fan unit 100 will be described. When the first fan 160 is driven, indoor air is sucked into the first case 101 through the first suction unit 102 and the base suction unit 103. The sucked air passes through the first filter member 120, and the foreign matter in the air can be filtered during this process. In the course of air passing through the first filter member 120, air is sucked in the radial direction of the first filter member 120, filtered, and then flows upward.

The air that has passed through the first filter member 120 flows upward in the radial direction while passing through the first fan 160 and passes through the first and second air guide devices 170 and 180 to provide a stable upward flow. Air that has passed through the first and second air guide apparatuses 170 and 180 passes through the first discharge guide unit 190 and flows upward through the first discharge unit 105.

The air discharged through the first discharging unit 105 is guided by the partition plate 430 located above the first discharging guide unit 190 and discharged to the outside of the air purifier 10.

On the other hand, when the second fan (260) is driven, indoor air is sucked into the second case (201) through the second suction part (202). The sucked air passes through the second filter member 220, and the foreign matter in the air can be filtered during this process. In the course of air passing through the second filter member 220, the air is sucked in the radial direction of the first filter member 120, filtered, and then flows upward.

The air that has passed through the second filter member 220 flows upward in the radial direction while passing through the second fan 160 and passes through the third air guide device 270 and the second discharge guide device 280, An upward flow is achieved. The air that has passed through the third air guide device 270 and the second discharge guide device 280 can be discharged through the second discharge portion 305 via the flow control device 300.

The flow regulating device 300 may be vertically rotatable by a second guide mechanism. 22 and 23, when the flow regulating device 300 is in the first position, the air discharged from the flow regulating device 300 flows upward.

On the other hand, if the flow regulating device 300 is in the second position, the air discharged from the flow regulating device 300 may flow toward the front upper side. The air flow rate of the air discharged from the air purifier 10 is increased by the flow regulating device 300 and the purified air can be supplied to a position far from the air purifier 10.

More specifically, when the third fan 330 of the flow regulating device 300 is driven, at least a part of the air discharged from the second discharge guide unit 280 flows into the third fan housing 310 Can be introduced. The introduced air may pass through the third fan 330 and may be discharged to the outside through the second discharging unit 305.

On the other hand, the flow regulating device 300 can be rotated in the left-right direction by the first guide mechanism in the second position. For example, when the flow regulating device 300 faces upward, the air discharged through the second discharging portion 305 may flow upward. On the other hand, when the flow regulating device 300 is directed to the rear upper side, the air discharged through the second discharging portion 305 may flow upward toward the rear side.

According to such an operation, the air discharged from the air cleaner 10 can be directed to the front, not merely upward, so that an airflow directed toward the space relatively far from the air cleaner 10 can be generated. In addition, since the third flow fan 330 is provided in the flow regulating device 300, the blowing force of the discharged air can be increased.

In addition, since the flow regulating device 300 can perform the first direction rotation, it is possible to discharge air to both sides of the front side of the air cleaner 10, thereby providing airflow toward a relatively large indoor space The effect can be seen.

Depending on the mode of operation of the air purifier 10, the flow regulating device 300 may selectively operate. When the air cleaner 10 is operated in the single mode or the dual mode, the first and second fan units 100 and 200 are driven to form a plurality of independent airflows.

That is, when the first fan unit 100 is driven, air is sucked through the first suction unit 102 and the base suction unit 103, and the first filter member 120 and the first fan 160 and may be discharged through the first discharge portion 105. [ When the second fan unit 200 is driven, air is sucked through the second suction unit 202, passes through the second filter unit 220 and the second fan 260, The third fan 330 can be operated. Then, it can be discharged upward through the second discharge portion 305. At this time, the third fan (330) may be driven with a rotation number corresponding to the rotation number of the second fan (260).

On the other hand, when the air cleaner 10 is operated in the circulation mode, as shown in FIG. 23, the flow regulating device 300 may be rotated upward to protrude from the upper end of the air purifier 10 . In the flow control mode, the driving of the first and second fan units 100 and 200 may be the same as that of the first and second fan units 100 and 200 in the normal operation mode.

The third fan 330 is driven so that at least a portion of the air that has passed through the discharge passage 282a of the second fan 260 and the second discharge guide device 280 is discharged to the outside 3 fan housing 310 as shown in FIG. At least a portion of the introduced air may pass through the third fan 330. The flow regulating device 300 may discharge the air toward the front upper side or the rear upper side of the air cleaner 10 while rotating in the lateral direction.

10: air cleaner 20: base
100: blower device 100: first blower device
101: first case 110: suction grill
120: first filter member 130: first filter frame
150: first fan housing 160: first fan
170: first air guide device 180: second air guide device
190: first discharge guide device 200: second blower
201: second case 220: second filter member
230: second filter frame 250: second fan housing
260: second fan 270: third air guide device
273a: first Hall sensor 280: second discharge guide device
281a: second hall sensor 300: flow regulating device
310: third fan housing 311a: second magnet member
320: flow guide part 330: third fan
350: rotation guide device 362a: first magnet member
400: Blocking device 430:
600: display device

Claims (15)

An air cleaning module including a blowing fan for generating an air flow and a filter member for purifying the air; And
And a flow regulating device rotatably provided on the air cleaning module and having a flow regulating fan for regulating a flow direction of the air passing through the air cleaning module,
In the flow regulating device,
And a sensor device for determining a reference point for rotation of the flow regulating device. The method according to claim 1,
In the sensor device,
And a first hall sensor for determining a first reference point for up-and-down rotation of the flow regulating device. 3. The method of claim 2,
In the air cleaning module,
And a first magnet member acting on the first hall sensor. The method according to claim 1,
And a second hall sensor for determining a second reference point for lateral rotation of the flow regulating device. 5. The method of claim 4,
In the air cleaning module,
And a second magnet member acting on the second hall sensor. 6. The method of claim 5,
In the flow regulating device,
A first gear motor for generating a driving force; And
And a first gear interlocked with the first gear motor for guiding axial reference and lateral rotation of the flow regulating device. The method according to claim 6,
In the air cleaning module,
A first rack interlocked with the first gear; And
And a shaft guide groove provided at one side of the first rack and into which a gear shaft of the first gear is inserted. The method of claim 3,
And the first hall sensor is located on an end side of the shaft guide groove. 9. The method of claim 8,
Wherein the first magnet member is provided on the gear shaft. The method of claim 3,
The air cleaning module includes a second discharge guide device for supporting the flow control device,
And the second hall sensor is mounted on one surface of the second discharge guide device. 11. The method of claim 10,
The second magnet member is installed on the bottom surface of the flow regulating device,
And the second magnet member approaches the second hall sensor when the flow regulating device is rotated downward. An upper air cleaning module having a first blowing fan, a first suction portion, and a first discharge portion, a second air cleaning module having a second suction portion and a second blowing fan, 2. A control method for an air cleaner provided with a flow regulating device having a discharge portion and a circulating fan,
Performing a centering operation of the flow regulating device when the air cleaner is powered on,
In the centering operation of the flow regulating device,
Recognizing a first reference point based on whether or not a second hall sensor of the flow regulating device senses the second magnet member; And
And recognizing a second reference point based on whether or not the first hall sensor of the flow regulating device senses the first magnet member. 13. The method of claim 12,
In the step of recognizing the first reference point,
And rotating the flow regulating device downward to approach the second magnet member to the second hall sensor. 13. The method of claim 12,
In the step of recognizing the first reference point,
And rotating the flow regulating device clockwise or counterclockwise to approach the second magnet member to the hall sensor. 13. The method of claim 12,
Further comprising performing an operation of the air cleaner according to an operation mode after a centering operation of the flow control device is performed,
In the operation mode,
A single mode in which the lower air cleaning module is independently operated;
A dual mode in which a combined operation of the lower air cleaning module and the upper air cleaning module is performed; And
And a circulation mode in which a combination operation of the lower air cleaning module, the upper air cleaning module, and the flow control device is performed.

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