JP2019512078A - Air cleaner - Google Patents

Abstract

The present invention relates to an air cleaner. In the air cleaner according to the embodiment of the present invention, a cylindrical case having a suction portion capable of suctioning air in the radial direction; and a filter having a cylindrical shape which is detachably provided inside the case. A filter frame for containing or supporting the filter member, the filter frame including a lower frame provided below the filter member; an upper frame provided above the filter member; A plurality of support frames extending from the lower frame to the upper frame are included, and between the multiple support frames, a pull-in portion for drawing in the filter member is formed. [Selected figure] Figure 13

Description

  The present invention relates to an air cleaner.

  An air purifier is understood as a device for sucking in and purifying contaminated air and for discharging the purified air. As one example, the air purifier may include a blower for letting the outside air flow into the air purifier, and a filter capable of filtering dust, bacteria, and the like in the air.

  Generally, an air purifier is configured to clean indoor space, such as a home or office. According to the conventional air purifier, there is a problem that the capacity is limited and purification of air in the entire indoor space is restricted. Therefore, while the air around the air purifier can be purified, there is a problem that it is difficult to clean the air in the space far away from the air purifier.

  In order to solve this, there was an effort to improve the performance of the fan provided in the air purifier, but as the air flow rate of the fan increases, the noise generated from the fan increases and the reliability of the product decreases. Had the problem of

  After all, the limited capacity of the air purifier has the inconvenience that the user has to clean the air of the desired space while moving the air purifier.

  In the context of conventional air purifiers, the applicant has disclosed the following prior art:

  1. Publication number (release date): KR10-2012-0071992 (July 3, 2012)

  2. Title of the invention: Air cleaner

  According to the prior art, the main body of the air purifier is provided with an air cleaning component such as a fan and a filter inside a substantially rectangular case. And an air suction opening is formed in the side part and lower part of a main part of an air cleaner, and an air discharge opening is formed in the upper part of a main part.

  According to such a configuration, there is a problem that the suction capacity is reduced because the contaminated air is sucked from the restricted direction, that is, from the side and the lower side with respect to the air cleaner. Then, the corner of the case having a rectangular parallelepiped shape acts as a structural resistance that impedes the suction of air.

  In addition, while the air purified in the air purifier is discharged in only one direction, that is, the upper side, the air around the air purifier can be purified, but a space far from the air purifier Since the purified air can not flow until then, there is a problem that the air cleaning function is limited.

  In addition, since only one blower fan is provided inside the body of the air cleaner, there is a problem that the blower capacity is limited.

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

  Another object of the present invention is to provide an air cleaner that improves the position of the suction portion formed in the case and increases the flow rate of air sucked through the suction portion.

  Another object of the present invention is to provide an air cleaner that improves the shape of a fan housing that accommodates the fan of the air cleaner so that the air sucked through the suction portion can easily flow to the filter member. Do. In particular, the shape of the fan housing is improved so that the air flow toward the filter member can be smoothly performed so that the size of the air flow path from the suction portion to the filter member can be gradually increased. It aims at providing a purifier.

  Another object of the present invention is to provide an air cleaner that improves the structure of the case to facilitate separation of the case and to allow easy access to the internal parts of the air cleaner.

  Another object of the present invention is to provide an air purifier with an increased blowing capacity.

  In addition, the present embodiment aims to provide an air cleaner that improves the purification capacity of the filter and facilitates filter replacement. In particular, it is an object of the present invention to provide an air purifier in which a filter member that can be easily attached and detached is provided inside a cylindrical case.

  Another object of the present invention is to provide an air cleaner capable of stably supporting the filter member.

  Another object of the present invention is to provide an air cleaner capable of stably supporting a fan housing disposed on the outlet side of the filter member.

  In the air cleaner according to the embodiment of the present invention, a cylindrical case having a suction portion capable of suctioning air in the radial direction; and a filter having a cylindrical shape which is detachably provided inside the case. A filter frame for containing or supporting the filter member, the filter frame including a lower frame provided below the filter member; an upper portion of the filter member An upper frame provided on the lower frame; and a plurality of support frames extending from the lower frame toward the upper frame, and for retracting the filter member between the multiple support frames. The lead-in portion of the

  In the air cleaner according to another aspect, a case having a suction portion capable of suctioning air in the radial direction; a filter member removably provided inside the case; and disposed on the outlet side of the filter member A lower frame provided below the filter member; an upper frame provided above the filter member; and a support frame extending from the lower frame toward the upper frame The lower frame, the upper frame, and the support frame form a mounting space for the filter member, and the filter member is mounted to move radially toward the mounting space.

  According to the present embodiment, the suction portion is formed along the outer peripheral surface of the cylindrical case, and suction of air in the radial direction is possible via the suction portion, so the suction capacity can be improved. There is an effect that structural resistance of the case does not occur in the process of air suction.

  In particular, the suction portion includes a plurality of through holes, and the plurality of through holes can be uniformly formed over the entire outer peripheral surface of the case, so that the air cleaner can have a 360 ° direction with respect to the air cleaner. It becomes possible to form a suction flow path toward the inside. As a result, the suction area of air can be increased, and even if a person in the room is sitting or standing, the air around the person can be sufficiently sucked.

  Also, the filter member is stably supported by the filter frame, and has an advantage that it can be conveniently mounted in the mounting space formed inside the filter frame.

  In particular, the filter member may be moved radially and coupled to the mounting space, and may be moved radially away from the mounting space and separated from the mounting space, so that the user's convenience for attaching and detaching the filter can be achieved. Can be increased.

  Also, by providing the filter member in a cylindrical shape, air can flow into the interior of the filter member from all directions outside the filter member, so that the suction area can be increased, whereby the air cleaning ability of the filter can be increased. Has the advantage of being able to improve.

  Also, the filter frame includes a lower frame provided below the filter member, an upper frame provided above the filter member, and a support frame extending from the lower frame toward the upper frame. Since the mounting space of the filter member can be provided, space utilization of the air cleaner can be improved.

  Also, since a large number of support frames are provided, the upper and lower frames can be stably supported. And, the parts of the air purifier provided on the upper side of the filter frame can be stably supported.

  In detail, the plurality of support frames include two first frames and a second frame disposed at a rear part of a space between the two first frames, the two In the front part of the space between the first frames, a pull-in portion for pulling in or pulling out the filter member is formed, so that the filter member can be easily attached and detached, and a fan provided on the upper side of the filter member Stable support.

  In addition, since the circumferential length (or width) of the first frame is formed to be larger than the circumferential length (or width) of the second frame, between the two first frames There is an advantage that the supporting force in the front part of the space can be complemented.

  Further, a support device and a lever device provided with a handle are provided below the filter member, and the filter member can be easily moved to the attached position or the release position by the operation of the handle.

  In addition, since the support frame includes a flow guide portion (slit) for guiding the air sucked through the suction portion of the case to the filter member, there is an advantage that the flow of air can be smoothed. .

  Also, the first case or the second case is stably supported by the filter frame, and the suction portions formed in the first and second cases can be positioned relatively close to the filter member. As a result, it is possible to reduce the flow loss of the air flowing to the filter member via the suction portion.

  Also, since a large number of blowers are provided, there is an advantage that the blast capacity of the air purifier can be improved.

  In addition, since the centrifugal fan for increasing the blowing capacity of the air cleaner and the air guide device disposed on the outlet side of the centrifugal fan are provided, the air flowing in the radial direction through the centrifugal fan is discharged Can be easily guided upwards.

  In addition, the air flow independent of each other may be generated through the first and second air blowers to prevent the air flow from interfering with each other, thereby improving the air flowability. Is played.

  In addition, since the blower fan includes the turbo fan which sucks in the air in the axial direction and discharges the air in the radial direction, there is an advantage that the air volume can be increased.

It is a perspective view showing the appearance of the air cleaner concerning the example of the present invention. It is a perspective view showing the internal configuration of the air cleaner concerning the example of the present invention. It is sectional drawing cut | disconnected along III-III 'of FIG. It is an exploded perspective view showing the composition of the 1st air blower concerning the example of the present invention. It is a disassembled perspective view which shows the structure of the components with which the lower side of the filter member based on the Example of this invention is equipped. It is a bottom perspective view showing the composition of the support device concerning the example of the present invention. It is an exploded perspective view showing the composition of the filter member concerning the example of the present invention. It is a sectional view showing the composition of the filter member concerning the example of the present invention. It is the figure which expanded "A" part of FIG. It is the figure which expanded "B" part of FIG. It is a figure showing composition of a filter frame concerning an example of the present invention. It is a perspective view showing composition of a fan housing concerning an example of the present invention. It is a schematic diagram showing composition of a filter frame concerning an example of the present invention. It is a figure which shows a mode that the filter member based on the Example of this invention is installed and isolate | separated in mounting space. It is a figure which shows a mode that the filter member based on the Example of this invention is installed and isolate | separated in mounting space. It is a figure which shows the mode of the air flow in the air cleaner which concerns on the Example of this invention. It is a figure which shows the mode of the air flow in the air cleaner which concerns on the Example of this invention. It is a figure which shows the mode of the air flow in the air cleaner which concerns on the Example of this invention. It is a figure which shows the structure of the filter frame which concerns on 2nd Example of this invention.

  Hereinafter, some embodiments of the present invention will be described in detail with reference to the exemplary drawings. In adding reference symbols to components of each drawing, it is to be noted that the same components have the same reference numerals as possible, even if they are displayed on other drawings. You must. Further, in the description of the embodiments of the present invention, in the case where it is determined that the detailed description of the known configuration or function hinders the understanding of the embodiments of the present invention, the detailed description is omitted.

  Further, terms such as first, second, A, B, (a), (b) can be used in describing components of the embodiment of the present invention. Such a term is merely to distinguish the component from the other components, and the term is not intended to limit the nature, order, or order of the component. Where a component is described as "connected", "coupled" or "connected" to another component, that component may be directly connected or connected to the other component, It should be understood that other components may also be "connected", "coupled" or "connected" between each component.

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

  Referring to FIG. 1, in the air cleaner 10 according to an embodiment of the present invention, a blower 100, 200 for generating an air flow, and a flow control for switching the discharge direction of the air flow generated from the blower 100, 200. Apparatus 300 is included. The blowers 100 and 200 include a first blower 100 for generating a first air flow, and a second blower 200 for generating a second air flow.

  The first blower 100 and the second blower 200 may be arranged in the vertical direction. As an example, the second blower 200 may be disposed above the first blower 100. In this case, the first air flow forms a flow that sucks in the room air present on the lower side of the air cleaner 10, and the second air flow is a room air present on the upper side of the air cleaner 10. Form a fluid flow.

  The air cleaner 10 includes cases 101 and 201 forming an appearance.

  More specifically, the cases 101 and 201 include a first case 101 that forms an appearance of the first blower 100. The first case 101 may have a cylindrical shape. The upper portion of the first case 101 may be configured to have a smaller diameter than the lower portion. That is, the first case 101 may have a conical shape whose tip is cut off.

  The first and second blowers 100 and 200 may be respectively referred to as "first air cleaning module 100" and "second air cleaning module 200" from the point of performing the function of purifying the air in the clean space. it can. The first air blower 100 can be named as a “lower air purification module” or a “lower module” because the first air blower 100 is disposed under the air purifier 10. The second air blower 200 can From the point of being disposed on the upper side of the air purifier 10, it may be named "upper air cleaning module" or "upper module". And, the flow control device 300 can be named as a flow control module 300.

  The first case 101 includes a first separation part 101 a in which two parts of the first case 101 are combined or separated. The first case 101 may be opened when at least one of the two parts is separated. The first case 101 may be opened to replace or repair the internal components of the first blower 100.

  The first case 101 is formed with a first suction portion 102 for sucking air in the radial direction. The first suction portion 102 includes a through hole through which at least a portion of the first case 101 passes. A plurality of first suction portions 102 are formed.

  The plurality of first suction portions 102 are circumferentially uniformly formed along the outer peripheral surface of the first case 101 so that air can be sucked from any direction with respect to the first case 101. Be done. That is, air can be sucked from a 360 ° direction with reference to a vertical center line passing through the inner center of the first case 101.

  Thus, the suction amount of air can be increased by forming the first case 101 in a cylindrical shape and forming a large number of the first suction portions 102 along the outer peripheral surface of the first case 101. . And, as in the case of the conventional air purifier, by avoiding the hexahedral shape having the corner portion, the effect that the flow resistance to the sucked air can be reduced is exhibited.

  The air drawn in via the first suction portion 102 can flow in a substantially radial direction from the outer peripheral surface of the first case 101. Define the direction. The vertical direction is referred to as the axial direction and the lateral direction is referred to as the radial direction with reference to FIG. The axial direction may correspond to the central axial direction of the first fan 160 and the second fan 260 described later, that is, the motor axial direction of the fan. And, the radial direction can be understood as a direction perpendicular to the axial direction.

  And, the circumferential direction is understood as an imaginary circular direction formed when the radial direction is rotated around the axial direction as the radius of rotation.

  The first blower 100 further includes a base 20 provided under 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 portion 103 is formed in a space between the first case 101 and the base 20.

  The air sucked through the base suction unit 103 may flow 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 air blower 100 includes a plurality of suction parts 102 and 103. Air existing in the lower part of the indoor space can easily flow into the first blower 100 through the plurality of suction parts 102 and 103. Therefore, the suction amount of air can be increased.

  A first discharge unit 105 is formed on the top of the first air blower 100. The first discharge unit 105 may be formed on a first discharge grill 195 of a first discharge guide device 190 (see FIG. 2) provided in the first blower 100. The first discharge guide device 190 forms an appearance of an upper end portion of the first blower 100. The air discharged through the first discharge part 105 may flow upward.

  The second case 201 includes a second separation unit 201 a in which two parts of the second case 201 are combined or separated. The second case 201 may be opened when at least one of the two parts is separated. The second case 201 can be opened to replace or repair the internal components of the second blower 200.

  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 case 101, 201, the lower cross sectional area of the case 101, 201 is formed larger than the upper cross sectional area, whereby the air cleaner 10 is stably supported on the ground. obtain.

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

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

  Thus, the suction amount of air may be increased by forming the second case 201 in a cylindrical shape and forming a large number of the second suction portions 202 along the outer peripheral surface of the second case 201. . And, as in the case of the conventional air purifier, by avoiding the hexahedral shape having the corner portion, the effect that the flow resistance to the sucked air can be reduced is exhibited.

  The air drawn in via the second suction portion 202 can flow from the outer circumferential surface of the second case 201 in a substantially radial direction.

  The air purifier 10 includes a partitioning device 400 provided between the first blower 100 and the second blower 200. The partition device 400 includes a partition plate 430 for separating or blocking the air flow generated from the first blower 100 and the air flow generated from the second blower 200. The first and second blowers 100 and 200 may be spaced apart in the vertical direction by the partition plate 430.

  The flow control device 300 may be installed above the second blower 200. The air flow path of the second blower 200 may be in communication with the air flow path of the flow control device 300 based on the air flow. The air having passed through the second air blower 200 may be discharged to the outside through the second discharge part 305 via the air flow path of the flow control device 300. The second discharge unit 305 is formed at the upper end of the flow control device 300.

  The flow control device 300 may be movably provided. In detail, the flow control device 300 is in a lying state (first position) as shown in FIGS. 1 and 17 or inclined and standing as shown in FIG. It may be in the closed state (second position).

  A display device 600 for displaying operation information of the air purifier 10 is provided at an upper portion of the flow control device 300. The display device 600 can move with the flow control device 300.

  FIG. 2 is a perspective view showing the internal structure of the air cleaner according to the embodiment of the present invention, FIG. 3 is a cross-sectional view taken along the line III-III 'of FIG. 2, and FIG. It is a disassembled perspective view which shows the structure of the 1st air blower based on the Example of invention.

  Referring to FIGS. 2 and 3, the first air blower 100 according to an embodiment of the present invention includes a base 20 and a suction grill 110 disposed above the base 20.

  The base 20 includes a base body 21 placed on the ground and having a grill support 21 a for supporting the suction grille 110. The grille support 21a may have a substantially circular shape, and the lower protrusion 116 of the suction grille 110 may be supported inside the grille support 21a.

  The base body 21 and the suction grille 110 are disposed apart from each other in a state of being coupled to each other. A base suction portion 103 is formed between the base 20 and the suction grille 110 to form a suction space of air.

  The first blower 100 includes a lever device 142 provided on the upper side of the suction grille 110 and operable by the user. The lever device 142 can be provided to be rotatable in the circumferential direction. A handle 144 (see FIG. 5) is provided on the outer peripheral surface of the lever main body 143.

  A support device 140 for supporting the first filter member 120 is provided on the upper side of the lever device 142. The lever device 142 supports the lower surface of the support device 140. The support device 140 is disposed inside the lower frame 131 to support the lower side of the first filter member 120, and a plurality of first filter support parts 135 are arranged along the periphery of the support device 140. .

  A first filter member 120 is provided on the upper side of the support device 140 to filter foreign matter in the air sucked in via the first suction unit 102 or the base suction unit 103. The first filter member 120 has a cylindrical shape with an open upper portion, and air can flow in through the outer peripheral surface of the first filter member 120. In the process of passing through the first filter member 120, impurities such as fine dust in the air may be filtered.

  The cylindrical shape of the first filter member 120 allows air to flow from any direction with respect to the first filter member 120. Thus, the filtering area of air may be increased.

  Specifically, the first filter member 120 includes a filter body 121, 125 having a hollow cylindrical filter portion, and a filter hole 122 formed by opening at the upper end of the filter body 121, 125. Be The filter body 121, 125 includes a first filter unit 121 and a second filter unit 125 (see FIG. 7).

  The first filter member 120 further includes a filter handle 120 a provided on the upper or lower portion of the filter body 121 or 125. The air may flow into the inside of the filter body 121, 125 through the outer peripheral surface of the filter body 121, 125 and may be discharged from the first filter member 120 through the filter hole 122.

  The first air blower 100 further includes a first filter frame 130 that forms a mounting space of the first filter member 120. In detail, the first filter frame 130 includes a lower frame 131 forming a lower portion of the first filter frame 130 and an upper frame 132 forming an upper portion of the first filter frame 130.

  The lower frame 131 may have a ring shape to surround the lower portion of the first filter member 120. The lower frame 131 is formed with a locking portion 131b to which a locking protrusion (not shown) of the first case 101 is coupled. The locking portion 131 b may be formed outside the first filter support portion 135.

  The upper frame 132 may have a ring shape so as to surround the upper portion of the first filter member 120. The upper frame 132 is spaced upward from the lower frame 131.

  The ring-shaped internal space of the upper frame 132 forms a frame opening 132a. The frame opening 132 a may be configured to communicate with the filter hole 122 of the first filter member 120. That is, the frame opening 132a forms at least a part of an air flow path passing through the first filter frame 130, and the air discharged through the filter hole 122 of the first filter member 120 is the frame opening. It can flow into the first fan housing 150 via the portion 132a. That is, the first filter member 120 may be installed on the suction side of the first fan 160.

  An upper portion of the upper frame 132 may support the first fan housing 150. A first fan inlet 156 is formed at a lower portion of the first fan housing 150 to guide the flow of air into the first fan housing 150. The first fan inflow portion 156 is formed with a fan inflow hole 156a communicating with the frame opening 132a.

  In other words, the first fan housing 150 is coupled to the upper side of the upper frame 132, and the fan inlet hole 156a and the frame opening 132a are vertically aligned. According to such a configuration, the air having passed through the frame opening 132a can flow into the inside of the first fan housing 150 via the fan inlet hole 156a, and the outside of the first fan housing 150 can be obtained. Leakage can be prevented.

  A grill is provided to the first fan inlet portion 156 to prevent the user from putting a finger or the like inside the first fan housing 150 when the first filter member 120 is separated. can do.

  The first filter frame 130 further includes a first filter support 135 extending upward from the lower frame 131 toward the upper frame 132. The first and second frames 131 and 132 may be spaced apart from each other by the first filter support 135. A plurality of first filter support parts 135 may be provided, and the plurality of first filter support parts 135 may be circumferentially arranged and connected to peripheral parts of the first and second frames 131 and 132.

  A mounting space 130 a (see FIG. 11) of the first filter member 120 is defined by the first and second frames 131 and 132 and the plurality of first filter support portions 135.

  Meanwhile, a frame cover 136 may be coupled to the outer side of the first filter support portion 135. The frame cover 136 may perform a function of reinforcing the supporting force of the first filter support portion 135. A wire space may be formed between the first filter support 135 and the frame cover 136 in which a wire is positioned. The electric wires include electric wires connecting the fan motors 165, 265 and 335, the PCB device 500, the display device 600 and the like.

  A sensor device 137 may be installed on the first filter frame 130. The sensor device 137 may include a dust sensor 137a that senses the amount of dust in the air, and a gas sensor 137b that senses the amount of gas in the air. The sensor device 137 further includes a sensor cover 137 c that shields the dust sensor 137 a and the gas sensor 137 b.

  The dust sensor 137 a and the gas sensor 137 b may be disposed to be supported by the upper frame 132 of the first filter frame 130. The upper frame 132 may include a sensor mounting portion 138 on which the sensor device 137 may be installed. The sensor mounting portion 138 may be provided to protrude from the outer peripheral surface of the upper frame 132.

  The first blower 100 further includes an ionizer 158 for removing or sterilizing odorous particles in the air. The ionizer 158 may be coupled to the first fan housing 150 and act on air flowing in the first fan housing 150.

  The sensor device 137 and the ionizer 158 can also be installed in a second air blower 200 described later. As another example, the sensor device 137 and the ionizer 158 may be installed in one of the first blower 100 and the second blower 200.

  The first fan 160 may be mounted on the upper side of the first fan inlet 156 and may be accommodated in a housing space 150 a of the first fan housing 150. As an example, the first fan 160 may include a centrifugal fan that allows air to flow in axially and discharge air radially upward.

  In detail, a hub 161 to which a rotation shaft 165a of a first fan motor 165, which is a centrifugal fan motor, is connected to the first fan 160, a shroud 162 spaced apart from the hub 161, and the hub 161 And a plurality of blades 163 disposed between the two and the shroud 162. The first fan motor 165 may be coupled to the upper side of the first fan 160.

  The first air blower 100 further includes a first air guide device 170 coupled to the 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 located inside the outer wall 171 and having a cylindrical shape. The outer wall 171 is disposed to surround the inner wall 172. Between the inner peripheral surface of the outer wall 171 and the outer peripheral surface of the inner wall 172, a first air flow path 172a through which air flows is formed.

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

  The guide rib 175 may extend obliquely upward from lower portions of the outer wall 171 and the inner wall 172. As one example, the guide rib 175 is formed in a round shape to guide the air to flow obliquely upward.

  The first air guide device 170 further includes a motor accommodating portion 173 extending downward from the inner wall 172 and accommodating the first fan motor 165. The motor housing portion 173 may have a bowl shape whose diameter decreases toward the bottom. The shape of the motor housing portion 173 may correspond to the shape of the hub 161. The motor housing portion 173 may be inserted into the hub 161.

  The first fan motor 165 may be supported on the upper side of the motor housing portion 173. The rotation shaft 165 a of the first fan motor 165 may extend downward from the first fan motor 165, and may be connected to the shaft coupling portion 161 a of the hub 161 through the bottom of the motor housing portion 173.

  A motor coupling portion 166 is provided on the upper side of the first fan motor 165, and the motor coupling portion 166 guides the first fan motor 165 to be fixed to the first air guide device 170.

  The second air guide device 180 is coupled to the upper side of the first air guide device 170 and guides the air having passed through the first air guide device 170 to the first discharge guide device 190. Further included. The second air guide device 180 includes 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. Be The first guide wall 181 may be disposed to surround the second guide wall 182. Between the inner circumferential surface of the first guide wall 181 and the outer circumferential surface of the second guide wall 182, a second air flow path is formed in which air flows.

  A PCB device 500 for controlling the operation of the air purifier 10 may be mounted inside the second guide wall 182 having a cylindrical shape.

  The second air blower 200 includes a second filter member 220, a second filter frame 230, a second fan housing 250, a second fan 260, and a second fan motor 265. These configurations are similar to the first filter member 120, the first filter frame 130, the first fan housing 150, the first fan 160, and the first fan motor 165 provided in the first blower 100, so The description on the first blowing device 100 is incorporated herein by reference.

  The second air blower 200 further includes a lever support device 560 for supporting the second filter member 220 of the second air blower 200. A support device 140 and a lever device 142 provided on the first blower 100 may be provided on the upper side of the lever support device 560. The description of the support device 140 and the lever device 142 can be applied to the second blower 200 as well.

  The second air blower 200 further includes a third air guide device 270 coupled to the upper side of the second fan 260 to guide the flow of air passing through the second fan 260. Since the third air guide device 270 is similar to the structure of the first air guide device 170, the description of the first air guide device 170 will be used.

  The second air blower 200 includes a second discharge guide device 280 installed on the upper side of the third air guide device 270 and guiding the flow of air having passed through the third air guide device 270.

  The flow control device 300 is movably provided on the upper side of the second discharge guide device 280. The flow control device 300 includes a third fan 330. The third fan 330 guides the air that has passed through the third air guiding device 270 to be discharged to the outside of the air purifier 10. A third fan motor 335 may be coupled to the third fan 330.

  The third fan 330 may include an axial fan. In detail, the third fan 330 may be operated to axially discharge the air which has flowed in the axial direction through the third air guiding device 270. The air having passed through the third fan 330 may be discharged to the outside through the second discharge part 305 positioned above the third fan 330.

  The air purifier 10 includes the second discharge unit 305 together with the first discharge unit 105 of the first blower 100. Therefore, the discharge air volume is improved, and the air is discharged in various directions. Be done.

  The top surface of the air purifier 10 may include a display device 600 on which operation information of the air purifier 10 is displayed.

  The first fan motor 165 and the second fan motor 265 may be arranged in a row based on the longitudinal direction of the air purifier 10. The second fan motor 265 and the third fan motor 335 may be arranged in a line based on the longitudinal direction of the air purifier 10. That is, the first fan 160, the second fan 260, and the third fan 330 may be disposed on the same axis.

  The flow control device 300 further includes a rotation guide device for guiding the rotation of the flow control device 300 in the lateral direction and the rotation in the vertical direction. The rotation in the left-right direction can be referred to as "first direction rotation", and the rotation in the up-down direction can be referred to as "second direction rotation".

  The rotation guide device includes a first guide mechanism for guiding the rotation of the flow control device 300 in the first direction, and a second guide mechanism for guiding the rotation of the flow control device 300 in the second direction. .

  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 and rotatable. As an example, the first gear motor 363 may include a step motor with easy control of the rotation angle.

  The second guide mechanism includes a rotation guide member 370 (see FIG. 18) for guiding the rotation of the flow control device 300 in the second direction. The rotation guide member 370 includes a rack 374.

  The second guide mechanism may include a second gear motor 367 generating a driving force, and a second gear 365 coupled to the second gear motor 367. As an example, the second gear motor 367 may include a step motor. When the second gear motor 367 is driven, the rotation guide member 370 may have a vertical rotational movement by interlocking the second gear 365 and the second rack 374. Therefore, the flow control device 300 can rotate in the second direction according to the movement of the rotary guide member 370.

  When the flow control device 300 is rotated in the second direction, it may be in the “second position” protruding from the top surface of the air purifier 10 (see FIG. 18). On the other hand, as shown in FIGS. 1 and 17, the position where the flow control device 300 is lying can be named as the “first position”.

  FIG. 5 is an exploded perspective view showing the configuration of parts provided below the filter member according to the embodiment of the present invention, and FIG. 6 is a bottom perspective view showing the configuration of the support apparatus according to the embodiment of the present invention It is.

  Referring to FIG. 5, the first air blower 100 according to an embodiment of the present invention includes a base 20, a suction grill 110, a lever device 142, and a support device 140.

  The base 20 includes a base body 21 having a substantially disc shape. The base body 21 includes a grill support 21 a that supports the lower protrusion 116 of the suction grill 110. The lower protrusion 116 may protrude downward from the bottom surface of the suction grill 110 and may be supported inside the grill support 21 a.

  The base 20 further includes a grille fastening portion 23 fastened to the suction grille 110. The grill fastening portion 23 may be coupled to the base fastening portion 111 b of the suction grill 110 by a predetermined fastening member. A plurality of the grill fastening portions 23 may be provided. As an example, as shown in the drawing, four grill fastening portions 23 may be provided at the peripheral edge of the base body 21.

  The base 20 further includes a support joint 22 coupled to the support device 140. The support coupling portion 22 is configured to project substantially in the center of the base body 21, and a fastening member 25 is coupled thereto. The support connection portion 22 and the fastening member 25 may support the member insertion portion 141 a of the support device 140 and guide the movement of the support device 140.

  The support device 140 may be movable upward or downward. The fastening member 25 may function as a stopper that limits further upward movement when the support device 140 is moved upward by a set distance. With the support device 140 moved upward, the first filter member 120 is in a state (first filter position) coupled to the mounting space 130a. On the other hand, in a state in which the support device 140 is moved downward, the first filter member 120 is in a release state (second filter position) which can be separated from the mounting space 130a.

  The suction grille 110 is fixed to the upper side of the base 20. Specifically, the suction grill 110 includes a substantially ring-shaped grill main body 111 and a frame portion 111 a provided outside the grill main body 111. The frame portion 111 a is provided with a grill suction portion 112 through which the air sucked through the base suction portion 103 passes. The grill suction portion 112 is formed along the periphery of the frame portion 111a.

  The air drawn in through the grille suction portion 112 may move upward and pass through the first filter member 120. The first filter member 120 may be cylindrical and have a filter surface for filtering air. The air having passed through the grille suction portion 112 may pass through the outer peripheral surface of the cylindrical first filter member 120 and flow into the inside thereof.

  The first case 101 may be supported on the upper portion of the grille suction portion 112. Therefore, the air sucked in through the grill suction portion 112 can merge with the air sucked in through the first suction portion 102 and pass through the first filter member 120.

  The suction grille 110 further includes a guide protrusion 113 a for guiding the rotation of the lever device 142. The guide protrusion 113 a may be configured to protrude upward from the upper surface of the grill body 111, and may be disposed to be inserted into the protrusion penetration portion 145 of the lever device 142. The guide protrusion 113 a may move inside the protrusion penetrating portion 145 in the process of rotating the lever device 142. The plurality of protrusion penetrating portions 145 may be circumferentially spaced apart.

  The suction grille 110 further includes a lever support 113 b supporting the bottom of the lever unit 142. A plurality of lever support portions 113b may be provided circumferentially apart. The lever device 142 can be stably rotated in the state of being attached to the lever support portion 113b.

  The suction grill 110 is formed with a groove 115 which is recessed downward from the grill body 111 to guide the mounting position of the lever device 142. When the lever unit 142 is mounted on the upper side of the suction grille 110, the handle 144 of the lever unit 142 is disposed on the upper side of the groove 115, and at this time, the lever unit 142 It will be in position.

  The lever device 142 includes a lever body 143 having a substantially ring shape and rotatably provided.

  The lever device 142 further includes a movement guide portion 143a that protrudes upward from the top surface of the lever body 143 and guides the movement of the first filter member 120 in the upward or downward direction. The movement guide portion 143 a may be configured to have a shape that gradually protrudes in the circumferential direction from the upper surface of the lever main body 143. That is, the movement guide portion 143a may include an inclined surface 146 that gradually protrudes in the circumferential direction.

  A plurality of the movement guides 143a may be circumferentially spaced apart. As an example, as shown in the figure, four of the movement guide parts 143a can be provided. However, the number of movement guides 143a is not limited thereto.

  The lever device 142 is formed with a protrusion penetrating portion 145 into which the guide protrusion 113 a of the suction grill 110 is inserted. The protrusion penetrating portion 145 may be formed to penetrate at least a part of the lever body 143. The protrusion penetrating portion 145 may be formed in a round shape so as to have a predetermined curvature in the circumferential direction corresponding to the curvature of the outer peripheral surface or the inner peripheral surface of the lever main body 143.

  The plurality of protrusion penetrating portions 145 may be spaced apart from each other and arranged in the circumferential direction of the lever main body 143. The number of the protrusion penetrating portions 145 may be equal to the number of the guide protrusions 113a. As an example, as shown in the drawing, the protrusion penetrating portion 145 may be provided four in the circumferential direction.

  The guide protrusion 113 a may extend from the lower side of the lever body 143 to the upper side of the lever body 143 by penetrating the protrusion through portion 145. The guide protrusion 113 a may move inside the protrusion penetrating portion 145 in the process of rotating the lever device 142.

  Specifically, the protrusion penetration portion 145 includes a first end 147 a and a second end 147 b. The protrusion penetrating portion 145 can be understood as a through hole extending from the first end 147 a to the second end 147 b.

  When the lever device 142 is in the “filter release position”, the guide protrusion 113 a may be at a position where it is locked to the first end 147 a of the protrusion penetration portion 145. It is understood that the “filter release position” is a position where the support device 140 is guided to descend downward, and is a position where the first filter member 120 can be separated from the mounting space 130 a.

  On the other hand, when the lever device 142 is at the “filter mounting position”, the guide protrusion 113 a may be at a position where it is locked to the second end 147 b of the protrusion penetrating portion 145. It is understood that the “filter mounting position” is a position where the support device 140 is guided to rise upward, and is a position where the first filter member 120 is coupled to the mounting space 130 a. .

  The guide protrusion 113a may move from the first end 147a to the second end 147b in the process of rotating the lever device 142. That is, although the guide protrusion 113a is fixed to the suction grille 110, the guide protrusion 113a may have a relative movement inside the protrusion penetrating portion 145 when the lever device 142 rotates.

  The lever device 142 further includes a support plate 143 b extending radially inward from the inner circumferential surface of the lever body 143. The support plate 143 b may support the bottom surface of the support device 140. A plurality of support plates 143 b may be provided on both sides of the lever body 143.

  The outer peripheral surface of the lever device 142 further includes a handle 144 operable by the user for rotation of the lever device 142. The user can operate the handle 144 to rotate the lever device 142 clockwise or counterclockwise.

  The support device 140 may be movably supported on the upper side of the lever device 142. Specifically, when the lever device 142 rotates, the support device 140 interferes with the lever device 142 to move upward or downward.

  When the support device 140 moves upward, the support device 140 pushes up the first filter member 120 so that the first filter member 120 is supported by the first filter frame 130. . On the other hand, when the support device 140 moves downward, the support device 140 lowers the first filter member 120 so that the first filter member 120 can be separated from the first filter frame 130. To be in

  The support device 140 includes a substantially disc-shaped support body 140a. The support body 140 a has a filter support surface for supporting the first filter member 120. The support device 140 includes a member insertion portion 141a which is provided at a substantially central portion of the support body 140a and into which the fastening member 25 is inserted. The member insertion part 141a is understood as a through hole which penetrates up and down.

  The fastening member 25 may be inserted from the upper side of the support device 140 into the member insertion part 141 a and extend downward, and may be coupled to the support coupling part 22 of the base 20. By means of the fastening member 25, the support device 140 can move upward or downward with its center aligned with the base 20, the suction grill 110 and the lever device 142 without swinging left and right. As one example, the fastening member 25 may include a screw.

  The support device 140 may include a support protrusion 141b in contact with the movement guide portion 143a. The plurality of support protrusions may protrude downward from the bottom surface of the support body 140a and may be provided at a position corresponding to the movement guide portion 143a. The shape of the support protrusion 141b corresponds to the shape of the movement guide portion 143a, and includes an inclined surface formed to gradually protrude in the circumferential direction.

  The direction in which the movement guide part 143a is formed to gradually protrude may be opposite to the direction in which the support protrusion part 141b may be gradually protruded. For example, if the direction in which the movement guide portion 143a is configured to gradually protrude is counterclockwise, the direction in which the support protrusion 141b is configured to gradually protrude may be clockwise. On the other hand, if the direction in which the movement guide part 143a is configured to gradually protrude is clockwise, the direction in which the support protrusion 141b is gradually protruded may be counterclockwise.

  During the rotation of the lever device 142, the movement guide portion 143a and the support protrusion 141b interfere with each other, and the support device 140 can move upward or downward in this process.

  In detail, when the lever device 142 is in one position, when the lower portion of the support protrusion 141b and the upper portion of the movement guide portion 143a abut, the support device 140 is lifted upward. The first filter member 120 supported by the support device 140 is coupled to the first blower 100 while being moved upward.

  On the other hand, when the lever device 142 is rotated to the other position, the upper portion of the support protrusion 141b abuts against the lower portion of the movement guide portion 143a or interference between the support protrusion and the movement guide portion 143a Is released, the support device 140 descends downward. Then, the first filter member 120 supported by the support device 140 comes to be in a separable state (released state) from the first blower 100.

  FIG. 7 is an exploded perspective view showing the configuration of the filter member according to the embodiment of the present invention, FIG. 8 is a cross-sectional view showing the configuration of the filter member according to the embodiment of the present invention, and FIG. It is the figure which expanded "A" part of 8 and FIG. 10 is the figure which expanded "B" part of FIG.

  7 to 10, the first filter member 120 according to an embodiment of the present invention includes a first filter part 121 and a second filter part 125. The second filter unit 125 may be disposed to be inserted inside the first filter unit 121.

  The first filter unit 121 may be understood as a “foreign substance removal filter” that filters microorganisms such as fine dust and virus in the air. For example, the first filter unit 121 may include a HEPA filter.

  In detail, the first filter part 121 includes a first filter main body 121a having a hollow cylindrical shape, and fixed frames 122a and 122b for supporting the first filter main body 121a. The first filter body 121a provides a filter surface for filtering foreign matter.

  The fixed frames 122a and 122b may include a first fixed frame 122a supporting an upper portion of the first filter body 121a and a second fixed frame 122b supporting a lower portion of the first filter body 121a.

  In the first fixed frame 122a, a first outer surface support portion 122c for supporting the upper outer peripheral surface of the first filter body 121a, and a first inner surface support portion 122d for supporting the upper inner peripheral surface of the first filter body 121a. Is included. That is, the first fixed frame 122a may be coupled to the upper surface, the upper outer peripheral surface, and the upper inner peripheral surface of the first filter body 121a by the first outer surface support portion 122c and the first inner surface support portion 122d.

  A first outer surface support portion 122c supporting the lower outer peripheral surface of the first filter main body 121a and a first inner surface support portion 122d supporting the lower inner peripheral surface of the first filter main body 121a on the second fixed frame 122b. Is included. That is, the second fixed frame 122b may be coupled to the lower surface, the lower outer peripheral surface, and the lower inner peripheral surface of the first filter body 121a by the first outer surface support portion 122c and the first inner surface support portion 122d.

  The first filter portion 121 can stably maintain the cylindrical shape by the configuration of the first and second fixed frames 122a and 122b.

  The first filter unit 121 further includes a filter handle 120 a that can be held by the user. The filter handle 120a may be provided on at least one of the first fixed frame 122a and the second fixed frame 122b. The filter handle 120a may be provided so as to radially project from the outer peripheral surface of the first fixed frame 122a or the second fixed frame 122b.

  The second filter portion 125 is understood as a "deodorizing filter" that filters odorous particles in the air. In detail, the second filter portion 125 includes a second filter body 125a having a hollow cylindrical shape, and fixed frames 126a and 126b supporting the second filter body 125a. The second filter body 125a provides a filter surface for filtering foreign matter.

  The fixed frames 126a and 126b may include a third fixed frame 126a supporting an upper portion of the second filter body 125a and a fourth fixed frame 126b supporting a lower portion of the second filter body 125a.

  In the third fixed frame 126a, a second outer surface support portion 126c supporting the upper outer peripheral surface of the second filter main body 125a, and a second inner surface support portion 126d supporting the upper inner peripheral surface of the second filter main body 125a. Is included. That is, the third fixed frame 126a may be coupled to the upper surface, the upper outer peripheral surface, and the upper inner peripheral surface of the second filter body 125a by the second outer surface support portion 126c and the second inner surface support portion 126d.

  The third fixed frame 126a further includes a locking step 126e that is locked to the upper side of the first fixed frame 122a. When the second filter portion 125 is inserted into the first filter portion 121, the engagement step 126e may be supported on the top surface of the first fixed frame 122a. Thus, the second filter unit 125 may be stably supported by the first filter unit 121.

  In the fourth fixed frame 126b, a second outer surface support portion 126c supporting the lower outer peripheral surface of the second filter main body 125a, and a second inner surface support portion 126d supporting the lower inner peripheral surface of the second filter main body 125a. Is included. That is, the fourth fixed frame 126b may be coupled to the lower surface, the lower outer peripheral surface, and the lower inner peripheral surface of the second filter body 125a by the second outer surface support portion 126c and the second inner surface support portion 126d. With the configuration of the third and fourth fixed frames 126a and 126b, the second filter portion 125 can stably maintain a cylindrical shape.

  The second fixed frame 122b further includes a frame support part 122e that supports the lower side of the fourth fixed frame 126b. That is, the second fixed frame 122 b extends radially inward from the lower side of the first filter portion 121 to the lower side of the second filter portion 125, and the portion positioned below the second filter portion 125 is The frame support portion 122e is formed. Thus, the second filter unit 125 may be stably supported by the first filter unit 121.

  The air flowing to the outer peripheral surface side of the first filter member 120 through the first suction portion 102 or the base suction portion 103 is purified while passing through the first filter portion 121 and the second filter portion 125 in order. It can be done.

  The filter hole 122 is formed on the upper portion of the second filter portion 125. The air having passed through the first filter member 120 may flow upward through the filter hole 122 and may flow into the first fan 160.

  FIG. 11 is a view showing the configuration of a filter frame according to an embodiment of the present invention, FIG. 12 is a perspective view showing the configuration of a fan housing according to an embodiment of the present invention, and FIG. It is the schematic which shows the structure of the filter frame which concerns on an Example.

  Referring to FIGS. 11 to 13, the first filter frame 130 according to the embodiment of the present invention includes a lower frame 131 forming a lower portion of the first filter frame 130 and an upper portion of the first filter frame 130. And a first filter support portion 135 extending upward from the lower frame 131 toward the upper frame 132. A plurality of first filter supports 135 may be provided. The first filter support portion 135 may be named as a “support frame” from the point of supporting the outer surface of the first filter member 120.

  A mounting space 130 a in which the first filter member 120 is positioned is formed by the first and second frames 131 and 132 and the plurality of first filter support portions 135.

  In detail, the lower frame 131 may have a ring shape to surround the lower portion of the first filter member 120. The lower frame 131 includes a frame cutout 131a having a shape in which at least a part of the lower frame 131 is cut. The frame cutout 131 a may form a space in which the handle 144 of the lever device 142 is located, and may be formed to have a size corresponding to the rotation path of the handle 144. In other words, the frame cutout 131a provides a space in which the handle 144 can move.

  A frame fastening part 131 c is formed on the lower frame 131. The frame fastening part 131 c may be coupled to the grille fastening part 23 of the base 20 and the base fastening part 111 b of the suction grill 110 by a predetermined fastening member.

  The upper frame 132 may have a ring shape to surround the upper portion of the first filter member 120 and may be spaced upward from the lower frame 131. The ring-shaped internal space of the upper frame 132 forms a frame opening 132a. The frame opening 132 a may be configured to communicate with the filter hole 122 of the first filter member 120.

  The upper frame 132 includes a frame inner wall 133 and a frame outer wall 134 surrounding the frame inner wall 133. Each of the frame inner wall 133 and the frame outer wall 134 may have a ring shape. The frame opening 132 a can be understood as an inner space of the frame inner wall 133.

  An inner circumferential surface of the frame outer wall 134 may be separated from an outer circumferential surface of the frame inner wall 133. The upper frame 132 further includes a wall connecting portion 134 a extending from a lower portion of the frame outer wall 134 to a lower portion of the frame inner wall 133.

  A housing insertion portion 134b in which at least a portion of the first fan housing 150 is located is formed in an inner circumferential surface of the frame outer wall 134, an outer circumferential surface of the frame inner wall 133, and a space formed by the wall connection portion 134a. And, the wall connection part 134a is provided with a housing coupling part 134c coupled to the first fan housing 150. A plurality of housing connection parts 134c may be provided on both sides of the wall connection part 134a. The predetermined fastening member may be coupled to the housing coupling portion 134 c and the frame coupling portion 151 a of the first fan housing 150.

  The upper frame 132 further includes a housing mounting portion 133 a that protrudes from the inner circumferential surface of the frame inner wall 133 to support the first fan housing 150. An inner space of the housing mounting portion 133a forms the frame opening 132a.

  An upper portion of the upper frame 132 may support the first fan housing 150. The first fan housing 150 may be installed at the outlet side of the first filter member 120. In more detail, the first fan housing 150 includes housing bodies 151, 152 and 153 which form a housing space 150a in which the first fan 160 is accommodated. The housing bodies 151, 152, 153 may be supported by the first filter frame 130.

  The housing main bodies 151, 152, 153 can be configured with a level difference so that their diameters are different. In detail, the housing main bodies 151, 152, 153 include a first main body 151 having a set first diameter (hereinafter, referred to as a first set diameter) and having a substantially cylindrical shape. The first body 151 forms an upper portion of the housing bodies 151, 152, 153.

  The housing main bodies 151, 152, 153 may include housing cutouts 154a, 154b. The housing cutouts 154 a and 154 b may be formed by cutting at least a part of the third main body 153. As an example, the housing cutouts 154 a and 154 b may be formed to be cut upward from the lower end of the third main body 153 by a predetermined height.

  The housing cutouts 154 a and 154 b may include a first cutout 154 a formed at a position corresponding to the first filter support 135 and supporting the first filter support 135. The first filter support 135 or the frame cover 136 may be positioned at the first cutout 154a.

  The housing cutouts 154 a and 154 b include a second cutout 154 b formed at a position corresponding to the sensor mounting unit 138 and supporting the sensor mounting unit 138. The sensor mounting portion 138 may be positioned at the second cutout 154b. A sensor support portion 155 supported by the sensor mounting portion 138 is included on the upper side of the second cutout 154b. The sensor mounting portion 138 and the sensor support portion 155 can define an installation space portion in which the sensor device 137 is installed.

  The third body 153 may be positioned to be inserted into a housing insertion part 134 b formed in the upper frame 132. In summary, the third main body 153 is inserted into the housing insertion part, and the housing cutout parts 154a and 154b support the first filter frame 135 and the upper part of the sensor mounting part 138 to thereby form the first main body. The filter frame 130 and the first fan housing 150 may be stably coupled.

  The plurality of first filter support portions 135 may be circumferentially arranged along the peripheral portions of the first and second frames 131 and 132 to support the outer peripheral surface of the first filter member 120. it can. As one example, the plurality of first filter supports 135 may be disposed at the rear of the first filter frame 130. A pull-in portion 130b is formed at a front portion of the first filter frame 130 to provide a space into which the first filter member 120 is pulled or drawn.

  Define the direction. The direction in which the first filter member 120 is pulled out may be referred to as "front" of the first filter frame 130, and the direction in which the first filter member 120 is drawn may be defined as "rear" of the first filter frame 130. The frame cutout 131 a may be formed at the front of the lower frame 131 based on the shape of the lower frame 131.

  In other words, of the space between any two first filter supports 135 of the plurality of first filter supports 135, the space formed in front of the first filter frame 130 is the lead-in part. 130b is formed. The two first filter supports 135 include first frames 135a and 135b. The first frames 135a and 135b may be disposed to face each other.

  In the space between the first frames 135a and 135b, the second frames 135c and 135d may be circumferentially disposed in a space formed behind the first filter frame 130. A plurality of second frames 135c and 135d may be provided.

  FIG. 13 is a schematic view showing the arrangement of the lower frame 131 and the plurality of first filter support parts 135 in the first filter frame 130. As shown in FIG.

The two first frames 135a and 135b are disposed to face each other with respect to the center C of the lower frame 131. In other words, the center line l ₁ passing through the center C, the two first frame 135a, it is possible through 135b.

  Of the space between the two first frames 135a and 135b, a pull-in portion 130b is formed in the front space, in which the first filter member 120 is pulled or drawn, and in the rear space, the second frame 135c, 135 d may be arranged.

  When considering the support force of the first filter frame 130, the support force of the front portion side of the first filter frame 130 where the pull-in portion 130b is formed is the rear portion side where the second frames 135c and 135d are disposed. May be less than the bearing capacity of the In the present embodiment, the first frames 135a and 135b are formed to be larger than the second frames 135c and 135d in order to reinforce a relatively small front portion side supporting force.

Specifically, the first frame 135a, circumferential 135b length L _1, the second frame 135c, can be formed longer than the circumferential length L ₂ of 135d. According to this configuration, the supporting force of the first frames 135a and 135b may be greater than the supporting force of the second frames 135c and 135d. Therefore, insufficient supporting force due to the absence of a separate frame on the front side of the first filter frame 130 can be reinforced.

The angle θ formed by the rear side of the center C out of two angles formed by the two extension lines l ₂ and l ₃ extending from the center C to the front ends of the two first frames 135a and 135b is It can be 180 ° or more. That is, the front end portions of the first frames 135a and 135b may further extend forward with respect to the center C of the lower frame 131 to reinforce the support force on the front side of the first filter frame 130. it can.

  The first frames 135a and 135b include a facing portion 135e and a curved portion 135f, respectively. The facing portion 135 e extends rearward from the front end of the first frames 135 a and 135 b to guide the retraction of the first filter member 120. The curved portion 135 f may extend in a round shape rearward from the facing portion 135 e to support the first filter member 120. The round curvature of the curved portion 135 f may correspond to the curvature of the lower frame 131.

  That is, by providing the facing portion 135e and the curved portion 135f, when the first filter member 120 is drawn toward the mounting space 130a, the first filter 135 does not interfere with the first frames 135a and 135b. When the member 120 is completely mounted in the mounting space 130a, the first frames 135a and 135b can easily support the outer peripheral surface of the first filter member 120.

  Meanwhile, the first case 101 is provided outside the lower frame 131. In other words, the first case 101 is disposed to surround the lower frame 131. When the first fan 160 is driven, suction in the radial direction is performed via the first suction portion 102 of the first case 101, and the first filter member 120 supported by the first filter frame 130 is used. It flows. According to such a configuration, suction of air is performed from the circumferential direction of the air cleaner 10, that is, from the direction of 360 °, so that there is an advantage that the suction capacity of the air cleaner can be increased.

  FIGS. 14 and 15 are views showing how the filter member according to the embodiment of the present invention is installed and separated in the mounting space.

  Referring to FIGS. 14 and 15, the first filter member 120 may be detachably mounted in a mounting space 130a formed in the first filter frame 130 according to an embodiment of the present invention.

  The mounting space may have a cylindrical shape corresponding to the shape of the first filter member 120. The first filter member 120 may be slidable radially toward the mounting space in the mounting process. On the contrary, the first filter member 120 may be radially slidable out of the mounting space in the separation process.

  In detail, FIG. 14 shows the state in which the first filter member 120 is separated. At this time, the handle 144 of the lever device 142 may be located at the release position of the first filter member 120, for example, at one end of the frame cutout 131a. The position of the handle 144 at this time can be named "first position" or "release position".

  When the handle 144 is in the first position, the support device 140 is lowered. Accordingly, the mounting space 130a forms a space large enough to allow the first filter member 120 to be pulled in.

  In the state of FIG. 14, the first filter member 120 may be moved backward through the lead-in portion 130 b and mounted in the mounting space 130 a. The handle 144 may be rotated in one direction to move the support device 140 upward. As one example, the handle 144 may rotate clockwise with reference to FIGS. 14 and 15.

  When the support device 140 moves upward, the first filter member 120 may move upward to be in close contact with the upper portion of the first filter frame 130, ie, the upper frame 132. Thus, the first filter member 120 is in the coupled position.

  With the first filter member 120 mounted in the mounting space 130a, the handle 144 may be rotated in the other direction to move the support device 140 downward. As one example, the handle 144 may rotate counterclockwise with reference to FIGS. 14 and 15. When the support device 140 moves downward, the first filter member 120 is positioned so as to be separable from the mounting space 130a.

  16 to 18 are views showing the flow of air in the air cleaner according to the embodiment of the present invention. The air flow according to the embodiment of the present invention will be briefly described with reference to FIGS. 16 to 18.

  First, the flow of air due to the driving of the first air blower 100 will be described. When the first fan 160 is driven, room air is drawn into the first case 101 via the first suction portion 102 and the base suction portion 103. The sucked air passes through the first filter member 120, and foreign matter in the air may be filtered in the process. Then, in the process of the air passing through the first filter member 120, the air is sucked in the radial direction of the first filter member 120 and filtered, and then flows upward.

  In detail, the air sucked through the lower suction portion 102 a of the first suction portion 102 passes through the first filter member 120 while flowing in the inner radial direction. Then, the air sucked through the upper suction portion 102 b flows downward along the housing suction passage 159, flows to the outer peripheral surface side of the first filter member 120, and flows through the first filter member 120. I will pass. The air sucked through the base suction unit 103 flows to the outer peripheral surface side of the first filter member 120 and passes through the first filter member 120.

  After the air sucked in through the first suction portion 102 and the base suction portion 103 passes through the first filter member 120, the air is sucked in the radial direction of the first filter member 120 and filtered, and then the air is drawn upward. Flow to

  The air having passed through the first filter member 120 flows radially upward while passing through the first fan 160, and a stable upward flow is performed while passing through the first and second air guide devices 170 and 180. The air having passed through the first and second air guide devices 170 and 180 flows upward through the first discharge unit 105 via the first discharge guide device 190. The air discharged through the first discharge unit 105 is guided by a partition plate 430 positioned above the first discharge guide device 190 and discharged out of the air cleaner 10.

  On the other hand, when the second fan 260 is driven, room air is sucked into the second case 201 via the second suction portion 202. The sucked air passes through the second filter member 220, and foreign matter in the air may be filtered in the process. Then, in the process of the air passing through the second filter member 220, the air is sucked in the radial direction of the second filter member 220 and filtered, and then flows upward.

  In detail, the air sucked through the lower suction portion 202a of the second suction portion 202 passes the second filter member 220 while flowing in the inner radial direction. Then, the air sucked through the upper suction portion 202 b flows downward along the housing suction flow path 259, flows to the outer peripheral surface side of the second filter member 220, and flows in the second filter member 220. I will pass.

  Then, in the process of the air passing through the second filter member 220, the air is sucked in the radial direction of the second filter member 220 and filtered, and then flows upward.

  The air having passed through the second filter member 220 flows upward in the radial direction while passing through the second fan 260, and the upward flow is stabilized while passing through the third air guide device 270 and the second discharge guide device 280. It will be. The air having passed through the third air guide device 270 and the second discharge guide device 280 may be discharged through the flow control device 300 through the second discharge part 305.

  At this time, when the flow control device 300 is in the first position which is horizontal as shown in FIG. 17, the air discharged from the flow control device 300 flows upward. On the other hand, when the flow control device 300 is in the second position where it is erected as shown in FIG. 18, the air discharged from the flow control device 300 can flow forward and upward. The flow control device 300 increases the air volume of the air discharged from the air purifier 10 and has an advantage that the purified air can be supplied to a position far away from the air purifier 10.

  FIG. 19 is a view showing the structure of a filter frame according to a second embodiment of the present invention.

  Referring to FIG. 19, in the first filter frame 130 according to the second embodiment of the present invention, the air sucked through the first suction portion 102 or the base suction portion 103 is on the first filter member 120 side. And flow guides 135g and 136a for guiding the flow of air.

  The flow guide portions 135g and 136a include a first flow guide portion 135g provided on the first filter support portion 135. The first flow guide portion 135g may be formed on the first frames 135a and 135b and the second frames 135c and 135d, respectively. The flow guide portions 135g and 136a further include a second flow guide portion 136a provided on the first support portion cover 136.

  The flow guides 135g and 136a may include slits through which air can pass. By providing the flow guide portions 135g and 136a, air can flow into the first filter member 120 through the first support portion cover 136 and the first filter support portion 135. That is, there is an advantage that the phenomenon in which the first support cover 136 and the first filter support 135 act as a resistance to the flow of air can be reduced.

  According to the embodiment of the present invention, the filter member is stably supported by the filter frame and can be conveniently mounted in the mounting space formed inside the filter frame, so that the industrial applicability is remarkable. .

Claims (20)

An air cleaner,
A cylindrical case having a suction portion capable of suctioning air radially;
A filter member having a cylindrical shape and removably provided inside the case;
And a filter frame for housing or supporting the filter member,
The filter frame is
A lower frame provided below the filter member;
An upper frame provided on an upper portion of the filter member;
A plurality of support frames extending from the lower frame to the upper frame;
An air cleaner as claimed in any preceding claim, wherein a lead-in portion for drawing in the filter member is formed between the plurality of support frames.   The air purifier of claim 1, wherein the plurality of support frames are circumferentially arranged. The multiple support frames are:
With two first frames,
The air purifier according to claim 2, further comprising: a second frame disposed in a space between the two first frames. The lead-in unit is
The air purifier according to claim 3, wherein a front space is formed in the space between the two first frames.   The air purifier according to claim 4, wherein the second frame is disposed in a rear space of the space between the two first frames. The circumferential length of the first frame is
The air cleaner according to claim 3, wherein the air purifier is formed to be longer than a circumferential length of the second frame. In the first frame or the second frame,
The air purifier according to claim 3, further comprising: a flow guide unit configured to guide air sucked through the suction unit to the filter member.   The air purifier according to claim 7, wherein the flow guide portion is provided with a slit.   The air purifier according to claim 3, wherein the two first frames and the second frame are arranged to support an outer circumferential surface of the filter member. In the first frame,
A facing portion for guiding attachment of the filter member;
The air purifier according to claim 3, further comprising: a curved portion extending from the facing portion toward the second frame to support the filter member.   The air purifier according to claim 3, wherein a plurality of the second frames are provided. A frame cover coupled to the outside of the support frame;
The air purifier according to claim 1, further comprising a wire space formed between the support frame and the frame cover and in which a wire is located.   The apparatus of claim 1, further comprising a support member disposed inside the lower frame to support the lower side of the filter member, wherein the plurality of support frames are arranged along the periphery of the support member. Air cleaner.   The air purifier according to claim 13, further comprising an operable handle disposed below the support member and for moving the filter member upward or downward. When the handle rotates in one direction, the filter member moves upward and is mounted in the mounting space,
The air purifier according to claim 14, wherein upon rotation in the other direction of the handle, the filter member moves downward to be separable from the mounting space. A case having a suction portion capable of suctioning air radially;
A filter member which is detachably provided inside the case;
A blower fan disposed on the outlet side of the filter member;
A lower frame provided below the filter member;
An upper frame provided on an upper portion of the filter member;
And a support frame extending from the lower frame to the upper frame,
The lower frame, the upper frame, and the support frame form a mounting space for the filter member,
The air purifier, wherein the filter member is mounted so as to move radially toward the mounting space. The case is provided in a cylindrical shape,
The air purifier according to claim 16, wherein the suction portion is formed on an outer circumferential surface of the case to guide suction of air in a radial direction. The support frame is provided with a plurality of first frames,
The air purifier according to claim 16, wherein a lead-in portion of the mounting space is formed in a front part of a space between the plurality of first frames. The supporting frame is
The air purifier according to claim 18, further comprising a second frame disposed at the rear of the space between the plurality of first frames. And a fan housing for housing the blower fan.
The air purifier of claim 19, wherein the upper frame supports the fan housing.