JP6775595B2 - Air cleaner - Google Patents

Description

The present invention relates to an air purifier.

An air purifier is understood as a device that sucks in polluted air, purifies it, and then discharges the purified air. As an example, the air purifier may include a blower for allowing external air to flow into the air purifier, and a filter capable of filtering dust, bacteria, etc. in the air.

Generally, air purifiers are configured to purify indoor spaces such as homes and offices. According to the conventional air purifier, there is a problem that the capacity is limited and the purification of the air in the entire indoor space is limited. Therefore, while the air around the air purifier can be purified, there is a problem that it is difficult to purify the air in a space far away from the air purifier.

In order to solve this, efforts have been made to improve the performance of the fan installed in the air purifier, but as the amount of air blown by the fan increases, the noise generated by the fan increases, and the reliability of the product decreases. There was a problem of doing.

After all, due to the limited capacity of the air purifier, the user had the inconvenience of having to purify the air in the desired space while moving the air purifier.

In connection with conventional air purifiers, Applicants have disclosed the following prior documents:

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

2. Title of invention: Air purifier

According to the above-mentioned prior literature, the main body of the air purifier is provided with air purifying parts such as a fan and a filter inside a case having a substantially rectangular parallelepiped shape. The air suction port is formed on the side and lower part of the main body of the air purifier, and the air discharge port is formed on the upper part of the main body.

According to such a configuration, there is a problem that the suction capacity is reduced because the contaminated air is sucked in from the restricted direction, that is, from the side and the lower side with the air purifier as a reference. Then, the corners of the case having a rectangular parallelepiped shape act as a structural resistance that hinders the suction of air.

Further, the air purified inside the air purifier can be purified only in one direction, that is, upward, so that the air around the air purifier can be purified, but the space far away from the air purifier. Until then, the purified air could not be flowed, so that there was a problem that the air purifying function was limited.

Further, there is a problem that the blowing capacity is limited by providing only one blowing fan inside the main body of the air purifier.

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

In particular, the inclusion of a suction flow path from the circumferential direction of the air purifier toward the inside of the air purifier and a suction flow path that flows in through the upper and lower parts of the air purifier allows a person in the room to sit down. It is an object of the present invention to provide an air purifier that can sufficiently suck in the air around it even when standing or standing.

Another object of the present embodiment is to provide an air purifier that enables the air discharged from the air purifier to be discharged in various directions and reach a long distance. In particular, discharge airflow is easily generated in the upward, forward, and horizontal directions centered on the air purifier, and even if a person in the room is sitting or standing, the air can be easily blown toward the surrounding space. It is an object of the present invention to provide an air purifier capable of discharging air.

Further, an air purifier capable of easily guiding the air discharged from the air purifier to the outside of the air purifier and preventing the discharged air from flowing into the air purifier again. The purpose is to provide.

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

Further, when a centrifugal fan is adopted to increase the ventilation capacity, an air purifier provided with an air guide device is provided so that the air passing through the centrifugal fan can easily flow upward toward the discharge portion. With the goal.

Another object of the present embodiment is to improve the purification capacity of the filter and to provide an air purifier in which the filter can be easily replaced.

Another object of the present invention is to provide an air purifier in which the filter can be easily installed without separately providing an installation space for installing the filter inside the air purifier.

The air purifier according to the present embodiment is formed with a cylindrical case and a suction portion formed along the outer peripheral surface of the case.

In addition, the air purifier includes a large number of blowers that generate air flow.

Further, the large number of blowers include first and second blowers arranged in the vertical direction, and the first and second blowers are interposed between the first and second blowers. A partition device is provided that blocks the air flow from each other.

Further, the partition device includes a leg capable of securing a discharge space of the first blower device and a blocking wall coupled to the leg.

In addition, the blower includes a filter member that is separably coupled, and the filter member can be slid and supported by a filter frame and switched to a coupled state by operating a handle.

Further, the filter member can be provided in a cylindrical shape.

In addition, the blower includes a turbofan for generating air flow.

Further, the blower includes an air guide device that guides the air that has passed through the turbofan to the discharge unit.

Further, the air guide device includes a large number of guide ribs arranged in the circumferential direction of the air guide device to guide the air passing through the turbofan so as to flow in the axial direction.

In addition, a protrusion provided on one surface of the guide rib is further included.

Further, the PCB assembly is provided in the partitioned space of the first and second blowers, or in the internal space of the base that supports the blowers.

Further included is a flow control device that is installed on one side of the blower and switches the air flow of at least a part of the air that has passed through the blower.

Further, the flow adjusting device includes an axial fan that sucks air in the axial direction and discharges air in the axial direction.

Further, the flow adjusting device includes a rotation guide device that rotates an axial fan in the vertical or horizontal direction.

The rotation guide device includes a first gear assembly that causes the axial fan to rotate in the left-right direction.

The rotation guide device includes a second gear assembly that causes the axial fan to rotate in the vertical direction.

Further, in the general operation mode of the air purifier, the flow adjusting device is moved to the first position, and the axial flow fan is lying down at the first position, that is, the axial direction of the axial flow fan is It will be in a vertical direction.

Further, in the flow switching mode of the air purifier, the flow adjusting device moves to the second position, and the axial fan is upright at the second position, that is, the axial direction of the axial fan is forward. It will be in a state of tilting toward.

According to this embodiment, since the suction portion is formed along the outer peripheral surface of the cylindrical case, the suction capacity can be improved, and the structural resistance of the case does not occur in the air suction process. There is.

In particular, the suction portion includes a large number of through holes, and since the large number of through holes can be uniformly formed over the entire outer peripheral surface of the case, the air purifier can be formed in the 360 ° direction with reference to the air purifier. It becomes possible to form a suction flow path toward the inside. As a result, the air suction area can be increased, and even if a person in the room is sitting or standing, the effect that the surrounding air can be sufficiently sucked is achieved.

The suction portion includes a first suction portion provided in the first case, a second suction portion provided in the second case, and a third suction portion provided on the base side, so that the lower part to the upper part of the case are included. Can be formed long in the axial direction up to. Therefore, with reference to the air purifier, the air existing in the lower part of the indoor space and the air in the indoor space existing at a relatively high position can be sucked into the air purifier, so that the suction capacity of the indoor space is increased. Can be made to.

Further, the upward discharge of air may be guided through the second blower device, and the forward discharge of air may be guided by the flow adjusting device provided on the upper side of the second blower device. Then, in the process of rotating the flow adjusting device, the discharge of air in the left-right direction can be guided. After all, the discharge of air is guided in various directions with the air purifier as a reference, and the discharge airflow can be formed to a long distance from the air purifier, so that the air purification function of the indoor space can be improved. Further, even if a person in the room is sitting or standing, there is an advantage that a discharge airflow can be easily generated toward the surrounding space.

Further, since the partition device that partitions the first and second blower devices is provided with a blocking wall extending in the lateral direction or the radial direction, the air discharged through the first blower device flows into the second blower device again. Can be prevented. Then, the effect that the air discharged through the first blower can be easily guided to the outside of the air purifier by the barrier wall is achieved.

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

Further, since a centrifugal fan for increasing the air blowing capacity of the air purifier and an air guide device arranged on the outlet side of the centrifugal fan are provided, the air flowing in the radial direction passing through the centrifugal fan is discharged. Can be easily guided upwards towards.

Further, it is possible to prevent a phenomenon in which air flows that are independent of each other are generated through the first and second blowers and interfere with each other between the air flows, thereby improving the air fluidity. Is played.

Further, since the filter member is provided in a cylindrical shape, air can flow into the inside 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.

Further, since the filter member can be slid in the radial direction toward the filter frame, there is an advantage that the filter member can be easily connected or separated.

Further, since the blower fan includes a turbofan that sucks air in the axial direction and discharges it in the radial direction, there is an advantage that the air volume can be increased.

Further, since the air guide device provided with the guide rib is included on the outlet side of the turbofan, there is an advantage that the flow loss can be reduced and the noise can be reduced.

Further, since the guide rib is provided with the protruding portion, the generation of eddy current is reduced, and the effect that the air flow toward the discharge portion becomes smooth is achieved.

Further, since the PCB assembly is provided in the partitioned space of the first and second blowers or the internal space of the base supporting the blowers, there is an advantage that the space utilization is improved.

Further, since a flow adjusting device for switching the air flow is provided on one side of the blower and the air can be discharged forward, the effect that the air discharged from the air purifier can be discharged to a long distance is achieved.

Further, since the movement of the flow adjusting device is guided by the first and second gear assemblies, there is an advantage that the flow adjusting device is smoothly operated.

In addition, since the position of the flow control device is changed according to the operation mode of the air purifier, the user can intuitively view the current operation mode of the air purifier without checking the display device of the air purifier. There is an advantage that it can be confirmed.

It is a perspective view which shows the appearance of the air purifier which concerns on 1st Example of this invention. It is a perspective view which shows the internal structure of the air purifier which concerns on 1st Example of this invention. It is sectional drawing which cut along III-III' of FIG. It is an exploded perspective view which shows the structure of the 1st blower which concerns on 1st Example of this invention. It is an exploded perspective view which shows the structure of the 1st fan and 1st guide apparatus which concerns on 1st Example of this invention. It is a perspective view which shows the structure of the guide rib which concerns on 1st Example of this invention. It is sectional drawing which shows the structure of a part of the 1st blower which concerns on 1st Example of this invention. It is an exploded perspective view which shows the structure of a part of the partition device and the 1st blower device which concerns on 1st Example of this invention. It is an exploded perspective view which shows the structure of the 2nd blower which concerns on 1st Example of this invention. It is sectional drawing which shows the structure of the 2nd blower which concerns on 1st Example of this invention. It is an exploded perspective view which shows the structure of the flow control device which concerns on 1st Example of this invention, and the component which the flow control device is connected. It is a perspective view which shows the structure of the flow control apparatus which concerns on 1st Example of this invention. It is a figure which shows the coupling state of the 3rd air guide device and the 2nd discharge guide device which concerns on 1st Example of this invention. It is sectional drawing which shows the structure of the flow control apparatus which concerns on 1st Example of this invention. It is an exploded perspective view which shows the structure of the flow control apparatus which concerns on 1st Example of this invention. It is an exploded perspective view which shows the structure of the drive part and the fixed part of the flow adjustment device which concerns on 1st Example of this invention. It is a figure which shows the mode that the 2nd rack and the 2nd gear provided in the flow adjustment device which concerns on 1st Embodiment of this invention interlock. It is a figure which shows the state that the flow control apparatus which concerns on 1st Example of this invention is in a 2nd position. It is a figure which shows the state that the flow control apparatus which concerns on 1st Example of this invention is in a 2nd position. It is a figure which shows the state of the air flow in the air purifier which concerns on 1st Example of this invention. It is a figure which shows the structure of the air purifier which concerns on 2nd Example of this invention. It is a figure which shows the structure of the air purifier which concerns on 3rd Example of this invention. It is a figure which shows the structure of the air purifier which concerns on 4th Example of this invention.

Hereinafter, some examples of the present invention will be described in detail with reference to exemplary drawings. In adding reference codes to the components of each drawing, it should be noted that the same components have the same code as much as possible, even if they are displayed on other drawings. Must be. Further, in explaining the examples of the present invention, if it is determined that the specific description of the known configuration or function hinders the understanding of the examples of the present invention, the detailed description thereof will be omitted.

In addition, terms such as first, second, A, B, (a), and (b) can be used in explaining the components of the examples of the present invention. Such a term is merely for distinguishing a component from other components, and the term does not limit the essence, order, or order of the component. If one component is described as being "connected," "joined," or "connected" to another component, that component may be directly connected or connected to the other component. It should be understood that between each component and other components may be "connected", "joined" or "connected".

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

With reference to FIG. 1, in the air purifier 10 according to the first embodiment of the present invention, the blower devices 100 and 200 for generating air flow and the discharge direction of the air flow generated from the blower devices 100 and 200 are adjusted. The flow adjusting device 300 is included. The blower devices 100 and 200 include a first blower device 100 that generates a first air flow and a second blower device 200 that generates a second air flow.

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

The air purifier 10 includes cases 101 and 201 that form an appearance.

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

The first and second blower devices 100 and 200 may be named "first air cleaning module 100" and "second air cleaning module 200", respectively, from the viewpoint of performing a function of purifying the air in the clean space. it can. Then, the first blower 100 can be named "lower air purification module" or "lower module" from the point of being arranged in the lower part of the air purifier 10, and the second blower 200 can be referred to as a "lower module". From the point that it is arranged on the upper part of the air purifier 10, it can be named "upper air purifying module" or "upper module". Then, the flow control device 300 can be named the flow control module 300.

The first case 101 includes a first separation portion 101a in which two parts constituting the first case 101 are combined or separated. The first case 101 further includes a hinge portion provided on the opposite side of the first separation portion 101a. The two parts can rotate relative to each other around the hinge portion.

When at least one of the two parts rotates, the first case 101 can be opened and separated from the air purifier 10. A locking device can be provided on the portion where the two parts are joined, that is, on the opposite side of the hinge portion. The locking device may include a locking projection or a magnet member. The first case 101 can be opened to replace or repair the internal parts of the first blower device 100.

In the first case 101, a first suction portion 102 into which air is sucked is formed. The first suction portion 102 includes a through hole formed through at least a part of the first case 101. A large number of the first suction portions 102 are formed.

The large number of first suction portions 102 are uniformly formed in the circumferential direction along the outer peripheral surface of the first case 101 so that air can be sucked from any direction with reference to the first case 101. Will be done. That is, air can be sucked in from the 360 ° direction with reference to the vertical center line passing through the internal center of the first case 101.

In this way, the first case 101 is formed in a cylindrical shape, and a large number of the first suction portions 102 are formed along the outer peripheral surface of the first case 101, so that the amount of air sucked can be increased. .. Then, as in the case of a conventional air purifier, by avoiding the hexahedral shape having corners, the effect of reducing the flow resistance to the sucked air is achieved.

The air sucked through the first suction portion 102 can flow in the substantially radial direction from the outer peripheral surface of the first case 101. Define the direction. With reference to FIG. 1, the vertical direction is called the axial direction, and the horizontal direction is called the radial direction. The axial direction can correspond to the central 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. Then, the radial direction can be understood as a direction perpendicular to the axial direction.

The circumferential direction is understood as a virtual circular direction formed when rotating with the axial direction as the center and the radial distance as the turning radius.

The first blower 100 further includes a base 20 provided below the first case 101 and placed on the ground. The base 20 is located at a distance downward from the lower end of the first case 101. Then, a base suction portion 103 is formed in the separated space between the first case 101 and the base 20.

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

A first discharge portion 105 is formed on the upper portion of the first blower device 100. The first discharge unit 105 may be formed on the first discharge grill 195 of the first discharge guide device 190 (see FIG. 8) provided in the first blower device 100. The first discharge guide device 190 forms the appearance of the upper end portion of the first blower device 100. The air discharged through the first discharge portion 105 can flow upward in the axial direction.

The cases 101 and 201 include a second case 201 that forms the appearance of the second blower 200. The second case 201 can have a cylindrical shape. The upper portion of the second case 201 can be configured to have a diameter smaller than that of the lower portion. That is, the second case 201 can have a conical shape with the tip cut off.

The second case 201 includes two parts and a hinge portion that can be separated or coupled through the second separation portion 201a. The second case 201 can be configured to be openable like the first case 101. For the detailed description, the description regarding the first case 101 is incorporated. The second case 201 can be opened to replace or repair the internal parts of the second blower 200.

The diameter of the lower end of the second case 201 can be made smaller than the diameter of the upper end of the first case 101. Therefore, from the viewpoint of the overall shape of the cases 101 and 201, the lower cross-sectional area of the cases 101 and 201 is formed to be larger than the upper cross-sectional area, whereby the air purifier 10 is stably supported on the ground. obtain.

In the second case 201, a second suction portion 202 into which air is sucked is formed. The second suction portion 202 includes a through hole formed through at least a part of the second case 201. A large number of the second suction portions 202 are formed.

The large number of second suction portions 202 are uniformly formed in the circumferential direction along the outer peripheral surface of the second case 201 so that air can be sucked from any direction with reference to the second case 201. Will be done. That is, air can be sucked in from the 360 ° direction with reference to the vertical center line passing through the internal center of the second case 201.

In this way, the second case 201 is formed in a cylindrical shape, and a large number of the second suction portions 202 are formed along the outer peripheral surface of the second case 201, so that the amount of air sucked can be increased. .. Then, as in the case of a conventional air purifier, by avoiding the hexahedral shape having corners, the effect of reducing the flow resistance to the sucked air is achieved.

The air sucked through the second suction portion 202 can flow in the substantially radial direction from the outer peripheral surface of the second case 201.

The air purifier 10 includes a partition device 400 provided between the first blower 100 and the second blower 200. By the partition device 400, the second blower device 200 can be positioned at a distance above the first blower device 100. The description related to the partition device 400 will be described later with reference to the drawings.

The flow control device 300 can be installed above the second blower device 200. Based on the air flow, the air flow path of the second blower device 200 can communicate with the air flow path of the flow control device 300. The air that has passed through the second blower device 200 can be discharged to the outside via the air flow path of the flow control device 300 and the second discharge unit 305. The second discharge portion 305 is formed at the upper end portion of the flow adjusting device 300.

The flow adjusting device 300 can be provided so as to be movable. Specifically, the flow regulator 300 is either lying down (first position) as shown in FIG. 1 or tilted upright as shown in FIGS. 19-21. It may be in the state (second position). A description related to this will be described later.

FIG. 2 is a perspective view showing the internal configuration of the air purifier according to the first embodiment of the present invention, FIG. 3 is a sectional view cut along III-III'of FIG. 2, and FIG. 4 is a cross-sectional view. , Is an exploded perspective view showing the configuration of the first blower device according to the first embodiment of the present invention, and FIG. 5 is an exploded view showing the configuration of the first fan and the first guide device according to the first embodiment of the present invention. It is a perspective view, FIG. 6 is a perspective view showing the configuration of the guide rib according to the first embodiment of the present invention, and FIG. 7 is a partial configuration of a first blower according to the first embodiment of the present invention. It is a cross-sectional view which shows.

Referring to FIGS. 2 to 4, the first blower 100 according to the first embodiment of the present invention includes a base 20 and a suction grill 110 arranged above the base 20.

The base 20 includes a base main body 21 that is placed on the ground, and a base protruding portion 22 that projects upward from the base main body 21 and on which the suction grill 110 is placed.

The base main body 21 and the suction grill 110 are separated from each other by the base protrusion 22. A base suction portion 103 that forms an air suction space is included between the base 20 and the suction grill 110.

The suction grill 110 includes a substantially ring-shaped grill main body 111 and a suction port 112 formed on the peripheral edge of the grill main body 111. A large number of the suction ports 112 may be provided apart from each other along the peripheral edge portion. Then, the large number of suction ports 112 can communicate with the base suction portion 103.

The air sucked through the suction port 112 and the base suction portion 103 can pass through the first filter member 120. That is, air can pass through the outer peripheral surface of the cylindrical first filter member 120 and flow into the inside thereof. That is, the first filter member 120 can be provided in a cylindrical shape and have a filter surface for filtering air.

The suction grill 110 is further provided with a lever support portion 113 that forms the upper surface of the grill body 111 and supports the lever device 142, and a groove portion 114 that is recessed in the inner radial direction from the outer peripheral surface of the grill body 111. included. The groove 114 can provide a space in which the handle 144, which will be described later, can move.

The first blower device 100 is provided with a lever device 142 provided on the upper side of the suction grill 110 and can be operated by the user.

The lever device 142 includes a lever body 143 that has a substantially ring shape and is rotatably provided.

The lever body 143 includes a lever protrusion 145 provided on the peripheral edge of the lever body 143. A large number of the lever projecting portions 145 may be provided so as to project upward from the upper surface of the peripheral edge portion of the lever body 143 and separated from each other. The large number of lever protrusions 145 are understood as having an inclined surface in order to move the support device 140 described later upward or downward.

A handle 144 is provided on the outer peripheral surface of the lever body 143. The user can grasp the handle 144 and rotate the lever body 143 clockwise or counterclockwise.

On the upper side of the lever device 142, a support device 140 for supporting the first filter member 120 is provided. The lever device 142 supports the lower surface of the support device 140. The support device 140 may be provided with a support protrusion (not shown) that comes into contact with the lever protrusion 145. The support protrusions project downward from the lower surface of the support device 140, and a large number of the support protrusions can be provided in a number corresponding to the lever protrusions 145. The support protrusion includes an inclined surface.

In the process of rotating the lever body 143, the lever protrusion 145 can rotate together with the lever body 143. At this time, when the upper part of the lever protrusion 145 comes into contact with the lower part of the support protrusion, the lever body 143 pushes up the support device 140 upward. When the support device 140 moves upward, the first filter member 120 is in a state of being coupled to the first blower device 100.

On the other hand, when the lower part of the lever protrusion 145 comes into contact with the upper part of the support protrusion, the support device 140 descends downward. Then, when the support device 140 descends downward, the first filter member 120 is in a state (released state) in which it can be separated from the first blower device 100.

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

The first frame 131 has a ring shape that is substantially partially incised. The ring-shaped internal space of the first frame 131 forms at least a part of the air flow path passing through the first filter frame 130.

The lever device 142 and the support device 140 may be located on the inner peripheral surface side of the first frame 131. The upper surface of the support device 140 includes a mounting surface on which the first filter member 120 is placed. Then, in a part of the incised space of the first frame 131, a handle space 131a that allows the handle 144 of the lever device 142 to be operated is defined. The handle 144 is located in the handle space 131a and can be operated clockwise or counterclockwise.

The second frame 132 is located above the first frame 131. The second frame 132 has a substantially ring shape. The ring-shaped internal space of the second frame 132 forms at least a part of the air flow path passing through the first filter frame 130. The upper portion of the second frame 132 can support the first fan housing 150, which will be described later.

The first filter frame 130 further includes a first filter support portion 135 extending upward from the first frame 131 toward the second frame 132. The first filter support 135 allows the first and second frames 131, 132 to be separated from each other. A large number of the first filter support portions 135 are provided, and the large number of the first filter support portions 135 may be arranged in the circumferential direction and connected to the peripheral portions 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 large number of first filter support portions 135.

The first filter member 120 can be detachably mounted in the mounting space. The first filter member 120 has a cylindrical shape, 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 can be filtered.

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

The mounting space can be provided in a cylindrical shape corresponding to the shape of the first filter member 120. The first filter member 120 may be slidably pulled into the mounting space during the mounting process. On the contrary, the first filter member 120 can be slidably pulled out of the mounting space during the separation process.

In other words, when the handle 144 is operated with the first filter member 120 mounted on the upper surface of the support device 140, the first filter member 120 is in the release position while moving downward. Become. Then, the first filter member 120 can be slid outward in the radial direction and separated from the mounting space.

On the other hand, in a state of being separated from the mounting space, the first filter member 120 is slid inward in the radial direction toward the mounting space and supported on the upper surface of the support device 140, and is moved upward by operating the handle 144. Can adhere to. At this time, the first filter member 120 is in the coupling position.

On the other hand, the first support portion cover 136 can be coupled to the outside of the first filter support portion 135.

The first blower 100 further includes a first fan housing 150 installed on the outlet side of the first filter member 120. The first fan 160 is housed in the first fan housing 150. Then, the first fan housing 150 can be supported by the first filter frame 130.

The lower portion of the first fan housing 150 includes a first fan inflow portion 151 that guides the inflow of air into the inside of the first fan housing 150. A grill is provided to the first fan inflow portion 151 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 be done.

The first fan 160 is placed on the upper side of the first fan inflow portion 151. As an example, the first fan 160 includes a centrifugal fan that inflows air in the axial direction and discharges air upward in the radial direction.

Specifically, the first fan 160 has a hub 161 to which the rotation shaft 165a of the first fan motor 165, which is a centrifugal fan motor, is coupled, a shroud 162 arranged apart from the hub 161 and the hub 161. A large number of blades 163 arranged between the shroud 162 and the shroud 162 are included. The first fan motor 165 may be coupled to the upper side of the first fan 160.

The hub 161 can have a bowl shape in which the diameter decreases toward the bottom. The hub 161 includes a shaft coupling portion to which the rotation shaft 165a is coupled, and a first blade coupling portion extending upward from the shaft coupling portion.

The shroud 162 includes a lower end portion where a shroud suction port 162a for sucking air that has passed through the first fan inflow portion 151 is formed, and a second blade coupling portion extending upward from the lower end portion.

One surface of the blade 163 may be coupled to the first blade coupling of the hub 161 and the other surface may be coupled to the second blade coupling of the shroud 162. Then, the large number of blades 163 may be arranged apart from each other in the circumferential direction of the hub 161.

The blade 163 includes a leading edge 163a that forms a side end where air flows in, and a trailing edge 163b that forms a side end where air flows out.

The air that has passed through the first filter member 120 flows upward into the first fan housing 150 through the first fan inflow portion 151. Then, the air flows in the axial direction of the first fan 160, flows into the leading edge 163a, and flows out to the trailing edge 163b via the blade 163.

At this time, the trailing edge 163b is inclined outward and upward with respect to the axial direction so that the air flowing out through the trailing edge 163b can flow upward in the radial direction. Can be extended.

Referring to FIG. 5, the first blower 100 further includes a first air guide device 170 that is coupled above the first fan 160 and guides the flow of air that has passed 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 arranged so as to surround the inner wall 172. A first air flow path 172a through which air flows is formed between the inner peripheral surface of the outer wall 171 and the outer peripheral surface of the inner wall 172.

The first air guide device 170 includes a guide rib 175 arranged in the first air flow path 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 large number of the guide ribs 175 may be arranged apart from each other. The large number of guide ribs 175 function to guide the air that has flowed into the first air flow path 172a of the first air guide device 170 through the first fan 160 upward.

The guide rib 175 can be inclined upward from the lower part of the outer wall 171 and the inner wall 172. As an example, the guide rib 175 is formed in a round shape to guide the air so that it can be inclined upward and flow.

More specifically, referring to FIG. 6, the guide rib 175 includes a rib body 175a extending upward in a round shape. The rib body 175a includes a positive pressure surface 175b that forms a surface in the direction in which air flows, and a negative pressure surface 175c that forms an opposite surface to the positive pressure surface 175b. The positive pressure surface 175b is formed in a concave shape, and the negative pressure surface 175c is formed in a convex shape.

The rib body 175a includes a leading edge 175d that forms a side end portion on which air flows in, and a trailing edge 175e that forms a side end portion on which air is discharged.

The leading edge 175d is formed so as to bend in a round shape from the positive pressure surface 175b toward the negative pressure surface 175c. With such a configuration, a part of the air in the air flowing in through the leading edge 175d can be guided by the positive pressure surface 175b, and the remaining air can be guided by the negative pressure surface 175c. The air flowing on the negative pressure surface 175c passes through a large number of protrusions 175f.

The large number of protrusions 175f can protrude from the negative pressure surface 175c and extend from the leading edge 175d toward the trailing edge 175e. The protruding portion 175f has an airfoil shape in which the height of protrusion decreases from the leading edge 175d toward the trailing edge 175e.

The configuration in which the large number of protrusions 175f are formed on the negative pressure surface 175c prevents the generation of eddy currents on the negative pressure surface 175c, and air can easily flow upward.

On the other hand, the trailing edge 175e can have a sawtooth shape in which peaks and valleys are repeated in the radial direction. With such a configuration, the air flowing out from the trailing edge 175e, that is, the time difference in which the air flows out from the peaks and valleys is generated, and the effect of reducing the generation of noise is achieved.

The first air guide device 170 further includes a motor accommodating portion 173 that extends downward from the inner wall 172 and accommodates the first fan motor 165. The motor accommodating portion 173 can have a bowl shape in which the diameter becomes smaller toward the lower part. A motor coupling portion 166 is provided on one side of the first fan motor 165, and the motor coupling portion 166 guides the first fan motor 165 so as to be fixed to the first air guide device 170.

The shape of the motor accommodating portion 173 can correspond to the shape of the hub 161. Then, the motor accommodating portion 173 can be inserted inside the hub 161.

The first fan motor 165 may be supported on the upper side of the motor accommodating portion 173. Then, the rotating shaft 165a of the first fan motor 165 may extend downward from the first fan motor 165, penetrate the bottom surface portion of the motor accommodating portion 173, and be coupled to the shaft coupling portion 161a of the hub 161.

FIG. 8 is an exploded perspective view showing a configuration of a part of the partition device and the first blower according to the first embodiment of the present invention.

With reference to FIGS. 2, 3 and 8, the first air guide device 100 according to the first embodiment of the present invention is coupled to the upper side of the first air guide device 170, and the first air guide device 170 is attached. A second air guide device 180 that guides the passed air to the first discharge guide device 190 is 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. Is done. The first guide wall 181 can be arranged so as to surround the second guide wall 182.

A second air flow path 185 through which air flows is formed between the inner peripheral surface of the first guide wall 181 and the outer peripheral surface of the second guide wall 182. The air flowing through the first air flow path 172a of the first air guide device 170 passes through the second air flow path 185 and flows upward.

A fastening guide 183 that is coupled to the first air guide device 170 is provided below the second guide wall 182. The fastening guide 183 can extend below the second guide wall 182.

A predetermined fastening member may be coupled to the fastening guide 183, and the fastening member may be coupled to the fastening rib 178 of the first air guide device 170. The fastening rib 178 can be provided so as to project upward from the upper surface of the motor accommodating portion 173. A plurality of the fastening guides 183 and the fastening ribs 178 can be provided.

The second air guide device 180 further includes a leg support portion 187 that extends from the inner peripheral surface of the first guide wall 181 to the outer peripheral surface of the second guide wall 182 and supports the leg 410 described later. The leg support portion 187 includes an upper surface that supports the lower surface of the leg 410. A large number of the leg support portions 187 can be provided.

Inside the second guide wall 182, which has a cylindrical shape, a first space portion 184 in which at least a part of the PCB device 500 is housed is formed. At least a part of the PCB drive unit 520 in the PCB device 500 may be located in the first space unit 184.

The first blower 100 is arranged on the upper side of the second air guide device 180, that is, on the outlet side of the air flow with reference to the air flow path, and guides the discharge of air to the outside of the air purifier 10. A first discharge guide device 190 is further included.

The first discharge guide device 190 includes a first discharge main body 191 that forms a second space portion 194 in a substantially central portion. As an example, the first discharge main body 191 can have an annular shape.

At least a part of the PCB device 500 may be accommodated in the second space portion 194. As an example, at least a part of the PCB drive unit 520 in the PCB device 500 may be located in the second space unit 194. The second space portion 194 is formed on the upper side of the first space portion 184, and together with the first space portion 184, forms an installation space portion in which the PCB device 500 is installed.

The first discharge main body 191 includes a first discharge grill 195. A large number of the first discharge grills 195 are provided, and a first discharge portion 105 capable of discharging air to the outside is formed between the large number of the first discharge grills 195. The large number of first discharge grills 195 are arranged above the second air flow path 185, and the air that has passed through the second air flow path 185 flows to the first discharge grill 195 side, and the first It can be discharged via the discharge unit 105.

The first discharge main body 191 includes a leg insertion portion 196 to be inserted into the leg 410. The leg insertion portion 196 can be formed between the first discharge grill 195 of any one of a large number of first discharge grills 195 and the other first discharge grill 195. A large number of the leg insertion portions 196 can be provided corresponding to the number of the legs 410. The leg 410 may be inserted into the leg insertion section 196, extend downward, and rest on the leg support section 187.

A PCB device 500 is installed above the first discharge guide device 190. The PCB device 500 includes a main PCB 510 and a PCB drive unit 520 that supplies power for driving the main PCB 510. The main PCB 510 and the PCB drive unit 520 can be electrically connected by wiring. Then, the main PCB 510 may be located above the PCB drive unit 520.

The PCB device 500 further includes a case assembly 531, 533, 535 for protecting the PCB drive unit 520. The case assembly 531, 533, 535 includes a first case 531 to which the PCB drive unit 520 is mounted, a second case 535 that covers the upper side of the PCB drive unit 520, and the PCB drive unit 520 and the first case. Includes an insulating member 533 installed between the two cases 535.

The first case 531 and the second case 535 protect the PCB drive unit 520, and the heat generated from the PCB drive unit 520 causes a fire in other parts provided inside the air purifier 10. Can be constructed of non-combustible material to prevent. As an example, the first case 531 or the second case 535 may be made of a steel material.

The insulating member 533 is provided on the upper surface of the PCB drive unit 520. The insulating member 533 can perform a function of protecting the PCB drive unit 520 and preventing a current leaking from the PCB drive unit 520 from being transmitted to other parts, that is, an insulating function. As an example, the insulating member 533 may be made of ABS resin (acrylonitrile-butadiene-styrene copolymer).

The PCB device 500 further includes a PCB cover 540 provided on the upper side of the second case 535. The PCB cover 540 can cover the upper side of the second space portion 194 to prevent the first and second space portions 184, 194 and the first discharge portion 105 from communicating with each other. Therefore, the air discharged from the first discharge portion 105 can be prevented from flowing into the first and second space portions 184 and 194 by the PCB cover 540.

The PCB cover 540 includes a cap-shaped cover body 541. Due to the cap shape, the cover body 541 can easily shield the upper space of the first and second space portions 184 and 194.

The cover body 541 is formed with a first through hole 544 through which wiring or a harness provided inside the air purifier 10 passes. The first through hole 544 can be formed in a substantially central portion of the upper surface portion of the cover main body 541.

The harness is understood as a bundle of wires. The wiring or harness may include wiring for connecting the main PCB 510 and the PCB drive unit 520, or wiring for connecting a fan motor and a component such as a display device that requires electrical connection.

A first leg groove 546 is formed on the outer peripheral surface of the cover body 541. The first leg groove 546 has a shape recessed from the outer peripheral surface of the cover main body 541, and can be configured so that at least a part of the leg 410 is inserted. A large number of the first leg grooves 546 can be provided corresponding to the number of the legs 410.

The PCB device 500 further includes a PCB support portion 550 provided above the PCB cover 540 to which the main PCB 510 is coupled. The PCB support portion 550 has a substantially disk shape, and can be configured so that the cross-sectional area becomes narrower toward the lower part. The main PCB 510 may be supported on the upper surface of the PCB support portion 550.

The upper surface of the PCB support portion 550 includes a fixing protrusion 555 for fixing the PCB support portion 550. A predetermined fastening member may be coupled to the fixing protrusion 555. The fastening member connects the main PCB 510 and the fixing protrusion 555.

A second through hole 554 that communicates with the first through hole 544 and allows the wiring or harness to pass through is formed in a substantially central portion of the PCB support portion 550. When the PCB support portion 550 and the PCB cover 540 are combined, the second through hole 554 and the first through hole 544 can be aligned in the vertical direction. The wiring or harness can pass through the aligned first and second through holes 544,554.

A second leg groove 556 into which at least a part of the leg 410 can be inserted is formed at the peripheral edge of the PCB support portion 550. The leg 410 is coupled to the PCB cover 540 and the PCB support portion 550 via the first and second leg grooves 546 and 556, penetrates the leg insertion portion 196 of the first discharge guide device 190, and the said. It can be supported by the leg support 187 of the second air guide device 180.

The PCB device 500 further includes a lever support device 560 that is coupled above the leg 410 and supports the lever device 242 of the second blower 200. The lever support device 560 has a substantially annular shape. The lever support device 560 includes a third space portion 564 that defines an installation space in which the PCB support portion 550 and the main PCB 510 can be located. The third space portion 564 is formed at a substantially central portion of the lever support device 560.

The lever support device 560 further includes a leg coupling portion 562 that is coupled to the top of the leg 410. The leg coupling portion 562 is provided on the peripheral portion of the lever support device 560, and a large number of the leg coupling portions 562 can be provided according to the number of the legs 410. That is, the upper end portion of the leg 410 is coupled to the leg coupling portion 562, and the lower end portion thereof can be supported by the leg support portion 187 of the second air guide device 180.

The lever support device 560 further includes a blocking unit 561 that blocks the air discharged through the first discharging unit 105 from flowing into the second blowing device 200. The blocking portion 561 can be understood as a main body portion of the lever support device 560 having an annular shape.

A partition device 400 is provided between the first blower device 100 and the second blower device 200. The partition device 400 includes a leg 410 for separating the first and second blower devices 100 and 200.

The leg 410 may define a separation space between the first and second blowers 100,200. A large number of the legs 410 can be provided apart from each other in the circumferential direction. Then, the leg 410 can extend from the lower part to the upper part of the separated space, that is, in the axial direction.

The air discharged from the first blower device 100, that is, the air discharged from the first discharge unit 105 of the first discharge guide device 190 can easily flow through the separated space.

The partitioning device 400 further includes a barrier 430 that is installed between the numerous legs 410 and extends radially, i.e., laterally. The separation space can be divided into an upper space and a lower space by the blocking wall 430.

The air discharged from the first discharge unit 105 can be discharged to the outside of the air purifier 10 via the lower space below the barrier wall 430. The blocking wall 430 can prevent the air discharged from the first discharge unit 105 from flowing into the second blower 200 side.

Since the PCB device 500 can be arranged in a separated space partitioned by the partitioning device 400, it can be understood as one configuration of the partitioning device 400.

9 and 10 are exploded perspective views showing the configuration of the second blower according to the first embodiment of the present invention, and FIG. 11 shows the configuration of the second blower according to the first embodiment of the present invention. It is sectional drawing which shows.

With reference to FIGS. 2, 3 and 9 to 11, the second blower 200 according to the first embodiment of the present invention includes a support device 240, a lever device 242, a second filter member 220, and a second. A filter frame 230, a second fan housing 250, and a second fan 260 are included. These configurations are similar to the parts provided in the first blower 100. In the following, a brief description will be given, and it will be clarified in advance that the description of the first embodiment can be applied to the same part.

The support device 240 is provided so as to be movable upward or downward by operating a handle provided in the lever device 242, and supports the second filter member 220. When the support device 240 moves upward, the second filter member 220 is in a state of being coupled to the second blower device 200. On the other hand, when the support device 240 moves downward, the second filter member 220 is in a state where it can be separated from the second blower device 200, that is, in a released state.

As described in the lever device 142 and the support device 140 of the first blower device 100, the lever device 242 is provided with a lever protrusion, and the support device 240 is provided with a support protrusion. The support device 240 can be moved upward or downward by the interaction between the lever protrusion and the support protrusion. For the detailed description, the description regarding the first blower device 100 is incorporated.

The second filter member 220 is provided in a cylindrical shape. The air sucked through the second suction portion 202 of the second case 201 can pass through the outer peripheral surface of the second filter member 220 and flow inside the second filter member 220. That is, the second filter member 220 can be provided in a cylindrical shape and have a filter surface for filtering air.

The second filter frame 230 includes a first frame 231 that forms a lower portion of the second filter frame 230 and forms a handle space portion 231a, a second frame 232 that forms an upper portion of the second filter frame 230, and the above. A second filter support portion 235 extending upward from the first frame 231 toward the second frame 232, and a second support portion cover 236 covering the second filter support portion 235 are included. The description of the second filter member 220 and the second filter frame 230 is based on the description of the first filter member 120 and the first filter frame 130 of the first blower device 100.

The second blower 200 further includes a sensor device 290. The sensor device 290 may include a dust sensor 291a that senses the amount of dust in the air and a gas sensor 291b that senses the amount of gas in the air. The sensor device 290 further includes a sensor cover 295 capable of covering at least one side of the sensors 291a and 291b. As an example, the sensors 291a and 291b can be arranged so as to be supported by the second frame 232 of the second filter frame 230.

The second fan housing 250 includes a second fan accommodating portion 252 in which the second fan 260 is accommodated. The second fan housing 250 includes a second fan inflow portion 251 provided below the second fan housing 250 and guiding the inflow of air into the inside of the second fan housing 250.

The second fan 260 includes a hub 261 to which the rotation shaft 265a of the second fan motor 265, which is a centrifugal fan motor, is coupled, a shroud 262 arranged apart from the hub 261, and the hub 261 and the shroud 262. Includes a number of blades 263 arranged between and. The description of the second fan housing 250 and the second fan 260 is based on the description of the first fan housing 150 and the first fan 160 of the first blower 100.

The second blower 200 further includes an ionizer 258 for removing or sterilizing odorous particles in the air. The ionizer 258 is coupled to the second fan housing 250 and can act on the air flowing inside the second fan housing 250.

In this embodiment, the sensor device 290 and the ionizer 258 are described as being provided only in the second blower device 200, but unlike this, the sensor device and the ionizer are also installed in the first blower device. You may. As an example, the sensor device may be installed in the first filter frame 130 of the first blower device, and the ionizer may be installed in the first fan housing 150 of the first blower device.

The second blower 200 further includes a third air guide device 270 that is coupled to the upper side of the second fan 260 and guides the flow of air that has passed through the second fan 260.

The third air guide device 270 includes an outer wall 271 having a cylindrical shape and an inner wall 272 located inside the outer wall 271 and having a cylindrical shape. A first air flow path 272a through which air flows is formed between the inner peripheral surface of the outer wall 271 and the outer peripheral surface of the inner wall 272.

The third air guide device 270 includes a guide rib 275 arranged in the first air flow path 272a. The guide rib 275 extends from the outer peripheral surface of the inner wall 272 to the inner peripheral surface of the outer wall 271.

The third air guide device 270 further includes a motor accommodating portion 273 extending downward from the inner wall 272 and accommodating the second fan motor 265. The motor accommodating portion 273 can have a bowl shape in which the diameter becomes smaller toward the lower part.

The second fan motor 265 is coupled to the upper side of the second fan 260 to provide a driving force to the second fan 260. A motor coupling portion 266 is provided on one side of the second fan motor 265, and the motor coupling portion 266 guides the second fan motor 265 so as to be fixed to the third air guide device 270. ..

Of the configurations of the third air guide device 270, the description of the outer wall 271, the inner wall 272, the guide rib 275, and the motor accommodating portion 273 incorporates the description of the corresponding configuration of the first air guide device 170. The description of the second fan motor 265 and the motor coupling portion 266 is based on the description of the first fan motor 165 and the motor coupling portion 166.

The third air guide device 270 includes guide devices 276 and 277 for guiding the movement of the flow adjustment 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 configuration interlocking with the first gear 360 of the flow adjusting device 300. The first rack 276 is provided on the inner peripheral surface of the motor accommodating portion 273, and can be provided in the circumferential direction according to a set curvature. Then, the length of the first rack 276 can be formed to a length set based on the distance linked to the first gear 360.

The flow control device 300 can rotate in the left-right direction, that is, in the clockwise direction or the counterclockwise direction. In this process, the first gear 360 can rotate around the rotation shaft 354 of the flow adjusting device 300 with a predetermined radius of gyration.

The shaft guide groove 277 is a groove that guides the rotation of the first gear 360, and is understood as a configuration that extends in a round shape with a predetermined curvature. As an example, the shaft guide groove 277 can be formed so as to be round in the circumferential direction. That is, the shaft guide groove 277 can have an arc shape.

The first gear shaft 362 of the first gear 360 may be inserted into the shaft guide groove 277. In the process of rotating the first gear 360, the first gear shaft 362 can move along the shaft guide groove 277.

The second blower device 200 is provided with a second discharge guide device 280 that is provided above the third air guide device 270 and guides the flow of air that has passed through the third air guide device 270.

The second discharge guide device 280 can have a substantially annular shape with an open interior. Specifically, the second discharge guide device 280 forms the outer peripheral surface of the second discharge guide device 280 and is located inside the discharge outer wall 281 having a cylindrical shape and the discharge outer wall 281. A discharge inner wall 282 that forms an inner peripheral surface of the second discharge guide device 280 and has a cylindrical shape is included.

The discharge outer wall 281 is arranged so as to surround the discharge inner wall 282. Between the inner peripheral surface of the discharge outer wall 281 and the outer peripheral surface of the discharge inner wall 282, a discharge flow path is formed in which air flows through the third air guide device 270 through which air flows. .. The discharge flow path may be located above the air flow path provided with the guide rib 275.

The second discharge guide device 280 further includes a second discharge grill 288 arranged in the discharge flow path. 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.

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

The rotation guide plate 283 includes a shaft insertion portion 284 that provides a center of rotation in the left-right direction of the flow adjustment device 300. The rotating shaft 354 can be inserted into the shaft inserting portion 284. The shaft insertion portion 284 may be located at the internal central 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. A first bearing 353 provided in the flow adjusting device 300 may be inserted into the bearing groove 285. The bearing groove 285 is a groove that guides the movement of the first bearing 353, and is understood as a configuration that extends in a round shape with a predetermined curvature. As an example, the bearing groove 285 can be formed so as to be round in the circumferential direction. That is, the bearing groove 285 can have an arc shape.

In the left-right rotation process of the flow control device 300, the first bearing 353 can be inserted into the bearing groove 285 and move, thereby reducing the frictional force generated in the rotation process of the flow control device 300. Can be made to.

FIG. 12 is an exploded perspective view showing the configuration of the flow control device according to the first embodiment of the present invention and the components to which the flow control device is connected, and FIG. 13 is a flow according to the first embodiment of the present invention. It is a perspective view which shows the structure of the adjustment device, FIG. 14 is a figure which shows the coupling state of the 3rd air guide device and the 2nd discharge guide device which concerns on 1st Embodiment of this invention, and FIG. It is sectional drawing which shows the structure of the flow control apparatus which concerns on 1st Example of.

12 to 15 show a configuration for guiding the left-right rotation of the flow control device 300 according to the first embodiment of the present invention.

The flow control device 300 includes a third fan housing 310 in which the third fan 330 is housed. The third fan housing 310 has a substantially annular shape.

The third fan housing 310 includes a housing case 310a that forms the appearance. The housing case 310a has a fixed configuration. Inside the housing case 310a, housing bodies 311, 312 that are rotatably provided are provided. That is, the housing case 310a is configured to surround the housing bodies 311, 312.

Specifically, the housing main body 311, 312 has a housing outer wall 311 having an outer peripheral surface and having a cylindrical shape, and a housing inner wall 312 having a cylindrical shape located inside the housing outer wall 311. included. The housing outer wall 311 is arranged so as to surround the housing inner wall 312. A housing flow path 314 through which air flows is formed between the inner peripheral surface of the housing outer wall 311 and the outer peripheral surface of the housing inner wall 312.

A shielding portion 313 that covers the upper side of the third fan 330 and blocks the flow of air is provided in the lower portion of the housing inner wall 312. The housing inner wall 312 and the shielding portion 313 are coupled to each other and have a substantially U shape.

An installation space in which the third fan 330 is installed is formed inside the third fan housing 310.

The third fan housing 310 is provided with a discharge grill 315 forming a second discharge portion 305 from which air that has passed through the third fan 330 is discharged. The discharge grill 315 has a substantially annular shape and can be coupled to the upper side of the housing flow path 314. The air that has passed through the housing flow path 314 can be discharged to the outside of the air purifier 10 via the second discharge portion 305 of the discharge grill 315.

Since the air purifier 10 is provided with the second discharge unit 305 together with the first discharge unit 105 of the first blower 100, the discharge air volume is improved and the effect of discharging air in various directions is achieved. Will be done.

A top cover 395 is installed on the upper side of the housing inner wall 312. The top cover 395 can be provided with a display device that displays operation information of the air purifier 10. Then, the display PCB 318 can be installed in the space under the top cover 395. That is, the housing inner wall 312, the shielding portion 313, and the top cover 395 form a closed space, and the display PCB 318 can be installed in the closed space.

The third fan 330 installed inside the third fan housing 310 may include an axial fan. Specifically, the third fan 330 can be operated so as to discharge the air flowing in the axial direction in the axial direction. That is, the air that has flowed upward toward the third fan 330 through the second fan 260, the first air flow path 272a of the third air guide device 270, and the discharge flow path of the second discharge guide device 280. , It can be discharged from the third fan 330 and discharged to the outside through the second discharge portion 305 located above the third fan 330.

The third fan 330 has a hub 331 having a shaft coupling portion to which the rotating shaft 336 of the third fan motor 335, which is an axial flow fan motor, is coupled, and a large number of blades coupled to the hub 331 in the circumferential direction. 333 is included. The third fan motor 335 may be coupled to the underside of the third fan 330 and disposed inside the third motor housing 337.

The first fan motor 165 and the second fan motor 265 can be arranged in a row with reference to the vertical direction of the air purifier 10. Then, the second fan motor 265 and the third fan motor 335 can be arranged in a row with reference to the vertical direction of the air purifier 10. In summary, the rotation axes of the first to third fan motors 165, 265, 335 or the first to third fans 160, 260, 330 may be located on the same axis in the vertical direction.

The flow adjusting device 300 further includes a flow guide unit 320 that is coupled to the lower side of the third fan housing 310 and guides the air that has passed through the second discharge guide device 280 to the third fan housing 310. ..

The flow guide unit 320 includes an inflow grill 325 that guides the inflow of air into the third fan housing 310. The inflow grill 325 can have a downwardly recessed shape.

The shape of the second discharge grill 288 of the second discharge guide device 280 is formed so as to be recessed downward corresponding to the shape of the inflow grill 325. The inflow grill 325 may be mounted on the upper side of the second discharge grill 288. With such a configuration, the inflow grill 325 can be stably supported by the second discharge grill 288.

The flow adjusting device 300 further includes a rotation guide device 350 which is installed below the flow guide unit 320 and guides the rotation of the flow adjusting device 300 in the left-right direction and the rotation in the up-down direction. The rotation in the left-right direction can be called "first direction rotation", and the rotation in the up-down direction can be called "second direction rotation".

The rotation guide device 350 includes a guide main body 351 coupled to the flow guide unit 320, a first guide mechanism for guiding the rotation of the flow adjustment device 300 in the first direction, and a second of the flow adjustment device 300. A second guide mechanism for guiding the directional rotation is included.

The guide main body 351 includes a lower surface portion 351a on which the first and second guide mechanisms are installed, and a frame portion 351b provided on the peripheral edge of the lower surface portion 351a and configured to project downward.

The first guide mechanism includes a first gear motor 363 that generates a driving force, and a first gear 360 that can rotate by being coupled to the first gear motor 363. As an example, the first gear motor 363 may include a step motor in which the rotation angle can be easily controlled.

The first gear 360 is coupled to the motor shaft 363a of the first gear motor 363. The first guide mechanism includes 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 360 is gear-coupled to the first rack 276 of the third air guide device 270. A large number of gear teeth are formed on the first gear 360 and the first rack 276. Then, 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 configuration, the first gear 360 can move.

Then, the shaft guide groove 277 of the third air guide device 270 can guide the movement of the first gear 360. Specifically, the first gear shaft 362 can be inserted into the shaft guide groove 277. Then, the first gear shaft 362 can move along the shaft guide groove 277 in the process of rotating the first gear 360.

The first guide mechanism further includes a rotation shaft 354 that constitutes a rotation center of the flow adjustment device 300. The first gear 360 and the first gear shaft 362 can rotate with a turning radius set around the rotating shaft 354. At this time, the set turning radius is referred to as a "first turning radius".

The first rack 276 and the shaft guide groove 277 can be formed to have a length corresponding to the rotation amount or rotation angle of the flow adjusting device 300.

The rotating shaft 354 can be provided on the lower surface portion 351a of the guide main body 351. Specifically, the rotating shaft 354 may project downward from the lower surface portion 351a. The rotation shaft 354 is inserted into the shaft insertion portion 284 of the second discharge guide device 280, and can rotate in the shaft insertion portion 284.

That is, 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. Then, the rotating shaft 354 rotates in the shaft inserting portion 284. Therefore, the flow adjusting device 300 can rotate in the first direction, that is, in the clockwise direction or the counterclockwise direction with the vertical direction as the axial direction.

The first guide mechanism further includes bearings 353 and 355 for facilitating the first direction rotation of the flow regulator 300. The bearings 353 and 355 can reduce the frictional force generated in the rotation process of the flow adjusting device 300.

The bearings 353 and 355 include a first bearing 353 provided on the lower surface portion 351a of the guide main body 351. As an example, the first bearing 353 may include a ball bearing. The first guide mechanism further includes a bearing support portion 354 that projects downward from the lower surface portion 351a and supports the first bearing 353.

The bearing support portion 354 is formed to have a set length so that the first bearing 353 can be arranged at a position where it can come into contact with 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 process of rotating the flow adjusting device 300 in the first direction, the first bearing 353 can be inserted into the bearing groove 285 and moved.

At this time, the first bearing 353 can rotate to a turning radius set around the rotating shaft 354. At this time, the set turning radius is referred to as a "second turning radius". The second turning radius can be formed smaller than the first turning radius. That is, the distance from the rotating shaft 354 to the first bearing 353 can be formed shorter than the distance from the rotating shaft 354 to the first gear shaft 362.

In summary, when the first gear shaft 362 moves along the shaft guide groove 277, the first bearing 353 can move along the bearing groove 285. For the smooth movement of the first gear shaft 362 and the first bearing 353, the set curvature of the shaft guide groove 277 and the set curvature of the bearing groove 285 can be the same.

The bearings 353 and 355 further include the second bearing 355. The second bearing 355 can be rotatably installed on the frame portion 351b. A bearing insertion portion 351c to which the second bearing 355 is coupled can be formed in the frame portion 351b. A large number of the second bearings 355 can be provided.

The second bearing 355 can be provided so as to be in contact with the discharge inner wall 282 of the second discharge guide device 280. That is, the inner peripheral surface of the discharge inner wall 282 can form a contact surface of the second bearing 355. By rotating the second bearing 355 around the rotation shaft 354 along the inner peripheral surface of the discharge inner wall 282, the flow adjusting device 300 can be easily rotated in the first direction.

FIG. 16 is an exploded perspective view showing the configuration of the flow control device according to the first embodiment of the present invention, and FIG. 17 is a configuration of a drive unit and a fixed portion of the flow control device according to the first embodiment of the present invention. FIG. 18 is an exploded perspective view showing how the second rack and the second gear provided in the flow adjusting device according to the first embodiment of the present invention are interlocked, and FIGS. 19 to 21 are shown. It is a figure which shows the state that the flow control apparatus which concerns on 1st Embodiment of this invention is in a 2nd position.

With reference to FIGS. 16 to 18, the second guide mechanism according to the second embodiment of the present invention includes a fixed guide member 352 fixed to the guide main body 351. The central shaft 354 can be provided on the lower surface of the fixed guide member 352.

The fixed guide member 352 includes a first guide surface 352a that guides the rotation of the rotation guide member 370 in the second direction. The first guide surface 352a can extend upward in a round shape corresponding to the rotation path of the rotation guide member 370.

The fixed guide member 352 further includes a first guide bearing 359 that is provided in contact with the rotation guide member 370 and can reduce the frictional force generated during the rotational movement of the rotation guide member 370. The first guide bearing 359 may be located lateral to the first guide surface 352a.

The fixed guide member 352 further includes a second gear insertion portion 352b into which the second gear 365 can be inserted for the rotation of the rotation guide member 370. The second gear insertion portion 352b is formed on one side of the first guide surface 352a. As an example, the second gear insertion portion 352b can have a shape in which at least a part of the first guide surface 352a is incised.

The second gear 365 is located below the first guide surface 352a, and at least a part of the second gear 365 penetrates the second gear insertion portion 352b and is above the second gear insertion portion 352b. It can be configured to protrude into.

The second guide mechanism further includes a second gear motor 367 that is coupled to the second gear 365 to provide driving force. As an example, the second gear motor 367 may include a step motor. The second guide mechanism further includes a second gear shaft 366 extending from the second gear motor 367 to the second gear 365. When the second gear motor 367 is driven, the second gear shaft 366 and the second gear 365 can both rotate.

The second guide mechanism further includes a rotation guide member 370 rotatably provided above the fixed guide member 352. The rotation guide member 370 may be coupled to the underside of the flow guide portion 320.

Specifically, the rotation guide member 370 includes a main body portion 371 supported by the fixed guide member 352. The main body portion 371 includes a second guide surface 372 that moves along the first guide surface 352a. The second guide surface 372 can be formed in a round shape corresponding to the curvature of the first guide surface 352a.

The rotation guide member 370 further includes a second guide bearing 375 that is provided in contact with the fixed guide member 352 and can reduce the frictional force generated during the rotational movement of the rotation guide member 370. The second guide bearing 375 may be located lateral to the second guide surface 372.

The rotation guide member 370 further includes a second rack 374 that is interlocked with the second gear 365. A large number of gear teeth are formed in the second gear 365 and the second rack 374, and the second gear 365 and the second rack 374 can be gear-coupled via the large number of gear teeth.

With reference to FIGS. 19 to 21, it is shown that the flow adjusting device 300 is rotated in the second direction and is in the "second position" protruding upward from the housing case 310a. On the other hand, in the state of FIG. 15, the position where the housing main body 311, 312 of the flow adjusting device 300 lies down, that is, the upper portion of the housing main body 311, 312 has a height corresponding to the upper portion of the housing case 310a. A certain position can be called a "first position".

When the second gear motor 367 is driven, the rotation guide member 370 can have a motion of rotating in the vertical direction by interlocking the second gear 365 and the second rack 374. Therefore, the flow adjusting device 300 can rotate in the second direction according to the movement of the rotation guide member 370. 19 to 21 show a state when the flow adjusting device 300 is rotated upward.

Then, when the third fan motor 335 is driven, the third fan 330 is driven, and at least a part of the air discharged from the second discharge guide device 280 flows into the inside of the third fan housing 310. can do. Then, the inflowing air can pass through the third fan 330 and be discharged to the outside through the second discharge unit 305. At this time, the air discharged through the second discharge portion 305 tends toward the front upper side. Here, "forward" can be understood as the direction in which the second discharge portion 305 is directed.

Then, the first direction rotation can be performed with the flow adjusting device 300 in the second position. As described above, the first direction rotation can be performed by interlocking the first gear 360 and the first rack 276.

According to such an action, the air discharged from the air purifier 10 does not simply go upward, but can go forward, so that the airflow toward a space relatively far from the air purifier 10 flows. Can occur. Then, since the flow adjusting device 300 is provided with a separate third fan 330, the wind force of the discharged air can be increased.

Further, since the flow adjusting device 300 can rotate in the first direction, air can be discharged to both front sides of the air purifier 10, thereby causing an air flow toward a relatively large indoor space. The effect of being able to provide is achieved.

The flow adjusting device 300 can selectively operate according to the operation mode of the air purifier 10.

When the air purifier 10 is operated in the general operation mode (first operation mode), the flow control device 300 is in the first position lying down, as shown in FIGS. 1 and 15. .. Then, the first and second blower devices 100 and 200 can be driven to form a large number of independent airflows.

That is, when the first blower device 100 is driven, air is sucked through the first suction portion 102 and the base suction portion 103, passes through the first filter member 120 and the first fan 160, and the first It can be discharged via the discharge unit 105.

Then, when the second blower 200 is driven, air is sucked through the second suction portion 202, passes through the second filter member 220 and the second fan 260, and the third fan 330 is passed through. You can go through. Then, it can be discharged upward through the second discharge unit 305. At this time, the third fan 330 may be turned off. Of course, the third fan 330 may be driven in order to strongly form the discharge airflow toward the second discharge portion 305.

On the other hand, when the air purifier 10 is operated in the flow switching mode (second operation mode), the housing bodies 311, 312 of the flow adjusting device 300 project upward as shown in FIGS. 19 to 21. The upper portion of the housing main body 311, 312 is located higher than the upper portion of the housing case 310a. On the other hand, the driving of the first and second blowers 100 and 200 in the flow switching mode may be the same as the driving state of the first and second blowers 100 and 200 in the general operation mode.

On the other hand, the third fan 330 is driven, whereby at least a part of the air that has passed through the second fan 260 flows into the third fan housing 310. Then, at least a part of the inflowing air can be discharged toward the front of the air purifier 10 while passing through the third fan 330.

Then, the flow adjusting device 300 can change the air flow in the directions of both front sides of the air purifier 10 while rotating in the first direction while being in the first position.

For convenience of explanation, the above components are defined as follows.

The first filter member 120 and the second filter member 220 are combined to form a "filter member", the first filter frame 130 and the second filter frame 230 are combined to form a "filter frame", the first fan housing 150 and the above. The second fan housing 250 can be collectively referred to as a "fan housing", and the first fan 160 and the second fan 260 can be collectively referred to as a "fan".

22 to 24 are views showing the state of air flow in the air purifier according to the first embodiment of the present invention.

First, the flow of air driven by the first blower 100 will be described. When the first fan 160 is driven, indoor air is sucked into the inside of 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 can be filtered in this process. Then, in the process of passing the air through the first filter member 120, 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 first filter member 120 flows upward in the radial direction 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 that has passed through the first and second air guide devices 170 and 180 flows upward through the first discharge guide device 190 and the first discharge unit 105. The air discharged through the first discharge unit 105 is guided by a blocking wall 430 located above the first discharge guide device 190 and discharged to the outside of the air purifier 10.

On the other hand, when the second fan 260 is driven, the indoor air is sucked into the inside of 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 can be filtered in this process. Then, in the process of passing the air through the second filter member 220, the air is sucked in the radial direction of the second filter member 220, 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 260, and a stable upward flow is performed while passing through the third air guide device 270 and the second discharge guide device 280. Be told. The air that has passed through the third air guide device 270 and the second discharge guide device 280 can be discharged via the flow adjusting device 300 and the second discharge unit 305.

The flow adjusting device 300 may be provided so as to be rotatable in the vertical direction by a second guide mechanism. As an example, as shown in FIGS. 22 and 23, when the flow control device 300 is in the first position, the air discharged from the flow control device 300 flows upward.

On the other hand, when the flow adjusting device 300 is in the second position, the air discharged from the flow adjusting device 300 can flow toward the front upper side. The flow adjusting device 300 has an advantage that the air volume of the air discharged from the air purifier 10 is increased and the purified air can be supplied to a position far away from the air purifier 10.

Specifically, when the third fan 330 of the flow control device 300 is driven, at least a part of the air discharged from the second discharge guide device 280 can flow into the inside of the third fan housing 310. Then, the inflowing air can pass through the third fan 330 and be discharged to the outside through the second discharge unit 305.

On the other hand, the flow adjusting device 300 can be rotated in the left-right direction by the first guide mechanism while being in the second position. As an example, when the flow adjusting device 300 goes to the front upper side, the air discharged through the second discharge unit 305 can flow to the front upper side. On the other hand, when the flow adjusting device 300 goes to the rear upper side, the air discharged through the second discharge portion 305 can flow to the rear upper side.

According to such an action, the air discharged from the air purifier 10 does not simply go upward, but can go forward, so that the airflow toward a space relatively far from the air purifier 10 flows. Can occur. Then, since the flow adjusting device 300 is provided with a separate third fan 330, the wind force of the discharged air can be increased.

25 and 26 are views showing the configuration of the air purifier according to the second embodiment of the present invention.

Referring to FIGS. 25 and 26, the air purifier 10a according to the second embodiment of the present invention includes one blower 200'and a flow control device 300'. When compared with the first embodiment, it can be understood that the air purifier 10a is composed of the second blower 200 and the flow control device 300 by removing the first blower 100.

The one blower 200'includes a base 20' mounted on the ground and a suction grill 110' installed above the base 20 and having a suction port 112'. The description of the base 20'and the suction grill 110'incorporates the description of the first blower 100 of the first embodiment.

The one blower 200' includes a filter member 220', a fan 260', a fan motor 265', a fan housing 250', an air guide device 270', and a discharge guide device installed above the suction grill 110'. 280'is included. The air purifier 10a includes a flow control device 300'having a discharge unit 305'. The flow control device 300'includes a third fan 330' and a third fan motor 335'.

The description of the one blower 200'and the flow control device 300'incorporates the description of the second blower 200 and the flow control device 300 described in the first embodiment. When the size of the indoor space is not large, a sufficient air cleaning capacity can be achieved by operating an air purifier including one blower and a flow control device.

On the other hand, the PCB device described in the first embodiment can be installed inside the base 20'. In this case, a separate space for installing the PCB device becomes unnecessary, which has the effect of improving the space utilization of the air purifier.

27 and 28 are views showing the configuration of the air purifier according to the third embodiment of the present invention.

With reference to FIGS. 27 and 28, the air purifier 10b according to the third embodiment of the present invention includes one blower 100'. When compared with the first embodiment, the air purifier 10b can be understood as being composed of the first blower 100 by removing the second blower 200 and the flow control device 300.

The one blower 100' includes a base 20, a suction grill 110' having a suction port 112', a filter member 120', a fan 160', a fan housing 150', an air guide device 170', and a discharge portion 105'. Includes a discharge guide device 190'with.

The description of the one blower 100'refers to the description of the first blower 100 of the first embodiment. When the size of the indoor space is not large, a sufficient air cleaning capacity can be achieved by operating an air purifier including one blower.

On the other hand, the PCB device described in the first embodiment can be installed inside the base 20. In this case, a separate space for installing the PCB device becomes unnecessary, which has the effect of improving the space utilization of the air purifier.

29 and 30 are views showing the configuration of the air purifier according to the fourth embodiment of the present invention.

With reference to FIGS. 29 and 30, the air purifier 10c according to the fourth embodiment of the present invention includes the first and second blower devices 100 ", 200". When compared with the first embodiment, the air purifier 10c can be understood as being composed of the first and second blower devices 100 by removing the flow control device 300.

A partition plate 430 "for separating the airflow generated from the first and second blower devices 100" and 200 "is provided between the first and second blower devices 100" and 200 ". The air purifier 10c is provided on the lower side of the partition plate 430 "and is provided on the upper side of the first round portion 431" which extends radially outward in a round shape and the partition plate 430 "inward in the radial direction. A second round portion 432 "extending in a round shape is included.

The first round portion 431 "guides the air discharged from the first blower 100" to the outside in the radial direction. Then, in the space between the second blower 200 "and the second round portion 432", a gripping space portion that the user can grip to move the air purifier 10c is formed.

According to this embodiment, since the suction portion is formed along the outer peripheral surface of the cylindrical case, the suction capacity can be improved, and there is an effect that structural resistance of the case does not occur in the air suction process. Therefore, the industrial applicability is remarkable.

Claims (17)

It ’s an air purifier,
A first air purifying module provided with a first suction portion, a first fan, and a first filter member for sucking air in the radial direction.
A second air cleaning module arranged above the first air cleaning module and provided with a second suction portion, a second fan, and a second filter member for sucking air in the radial direction.
A partition device provided between the first air purifying module and the second air purifying module and separating the first air purifying module and the second air purifying module.
It comprises a flow control module, which is coupled to the second air purifying module and is provided with a third fan to regulate the flow of air discharged from the second air purifying module.
A first discharge portion for discharging the air that has passed through the first fan upward is formed on the upper portion of the first air purification module.
The partition device includes a blocking wall arranged between the first discharge portion and the lower end portion of the second air purification module so as to guide the air discharged from the first discharge portion in the radial direction. An air purifier. The first air purifying module and the second air purifying module are arranged so as to be stacked in the vertical direction.
The air purifier according to claim 1, wherein the air discharged from the first air purifying module and the air discharged from the second air purifying module have independent flows. The air purifier according to claim 2, further comprising a second discharge unit provided in the flow control module and guiding an upward discharge of air passing through the third fan. The first fan or the second fan is provided with a centrifugal fan.
The air purifier according to claim 1, wherein the third fan is provided with an axial fan. The air purifier according to claim 1, wherein the rotation axes of the first fan to the third fan extend on the same axis. The air purifier according to claim 5, wherein each fan motor coupled to the first fan to the third fan extends on the same axis. The partition device
Extending from the upper part of the first air cleaning module to the lower part of the second air cleaning module,
The air purifier according to claim 1, further comprising a leg that separates the first and second blowers. A first filter frame provided in the first air purification module and supporting the first filter member, and
The air purifier according to claim 1, further comprising a second filter frame provided in the second air purifying module and supporting the second filter member. The first filter frame has
A first frame that supports the lower part of the first filter member and
A second frame that supports the upper part of the first filter member and
A first filter support portion extending from the first frame that supports the first filter member by the second frame that supports the first filter member is provided.
The second filter frame has
The first frame that supports the lower part of the second filter member and
A second frame that supports the upper part of the second filter member and
The air purifier according to claim 8, further comprising a second filter support portion extending from the first frame supporting the second filter member to the second frame supporting the second filter member . A large number of the first filter support portion and the second filter support portion are provided.
The air purifier according to claim 9, wherein the large number of first filter support portions and the second filter support portion are arranged in the circumferential direction. The air purifier according to claim 10, wherein the first filter member or the second filter member has a cylindrical shape. A support device that supports the lower side of the first filter member or the second filter member, and
The air purifier according to claim 1, further comprising a lever device for moving the support device upward or downward. The first air purifying module comprises a first case forming the first suction portion.
The air purifier according to claim 1, wherein the second air purifying module includes a second case forming the second suction portion. The first case or the second case has a cylindrical shape and has a cylindrical shape.
The air purifier according to claim 13, wherein the first suction portion or the second suction portion is formed in the circumferential direction along the outer peripheral surface of the case. A base that supports the underside of the first air purification module,
The air purifier according to claim 13, further comprising a base suction portion formed in a space separated from the base and the first case to suck air. A separated space is formed between the first air purifying module and the second air purifying module.
The air purifier according to claim 1, wherein the blocking wall is arranged in the separated space so as to block the air discharged from the first discharging portion from flowing to the second suction portion. The air purifier according to claim 16, wherein the barrier wall extends in the radial direction to partition the separated space into an upper space and a lower space.