KR101964903B1 - Air Cleaning Apparatus For Open Space - Google Patents

Abstract

The present invention relates to an air cleaning device for an open space. More specifically, the present invention relates to an air cleaning device for an open space which is installed in an open space, applied with a filter capable of being used continuously, and formed to automatically clean the filter, thereby enhancing convenience of maintenance and management of the air cleaning device, reducing costs, and reducing the concentration of dust in the vicinity of the air cleaning device.

Description

Air Cleaning Apparatus for Open Space

The present invention relates to an air purifying device for an open space, and more specifically, to be installed in an open space including an outdoor area, to apply a filter that can be used continuously, and to configure the filter to be automatically cleaned, thereby maintaining and maintaining the air purifying device. The present invention relates to an air purifier for an open space that can reduce dust concentration near the air purifier while improving management convenience and reducing costs.

Recently, as the concentration of fine dust or ultrafine dust continues to increase, indoor air cleaners are rapidly spreading.

In addition, when the fine dust or ultra-fine dust concentration is high, it is preferable to avoid outdoor activities, but in case of outdoor activities unavoidably, wearing a mask is recommended to protect the breathing breath from fine dust, etc. In addition, depending on the performance of the product, it is difficult to guarantee the filtering effect and the cost is disadvantageous.

There is no effective practical technology for removing air pollution or fine dust from the entire atmosphere of open spaces such as the open air, but recently, there have been attempts to develop air purifiers for air purification in a limited area of open spaces.

In general, however, air purifiers purify the air by capturing the fine dust into the filter using a blower fan and a permeable filter. However, when providing an air purifier using a permeable filter in an open space, it is very expensive to replace or maintain the filter. This takes and cannot be a realistic solution.

The present invention is installed in an open space including the outdoors, applying a filter that can be used continuously, and configured to automatically wash the filter, improve the convenience of maintenance and management of the air purifier, while reducing the cost of the air purifier An object of the present invention is to provide an air purifying device for an open space capable of reducing the concentration of dust in the vicinity.

In order to solve the above problems, the present invention is an air purification apparatus for an open space installed in an open space, the concave air of the open space is introduced through the lower portion of the columnar housing in which the purified air is discharged through the upper portion ; A blowing fan unit provided at an inner lower side of the housing to blow air sucked in an upper direction of the inner side of the housing; A filter unit disposed above the blowing fan unit and configured to have a brush-type filter member arranged in a spiral shape and filtering air blown by the blowing fan unit; And a control unit controlling the driving of the blower fan unit, wherein a part of the air introduced into the housing passes through the filter along the longitudinal direction of the housing, and the other flows along the helical flow path of the filter. It is possible to provide an air purifying device for an open space.

In addition, the filter unit may include a central axis, and the filter member may be helically disposed around the central axis.

In this case, a plurality of air inlet holes through which air is introduced is formed in the lower portion of the housing, and may further include a blowing guide unit for adjusting the air direction discharged to the open space in the upper portion of the housing.

In addition, it may include a washing water supply device for cleaning the filter by spraying the washing water from the upper inner side of the housing toward the lower.

In addition, the washing water supply apparatus may be provided with a washing valve formed on the housing to accommodate the washing water is accommodated and the supply of the washing water supplied toward the upper inside of the housing in the receiving space.

The accommodation space may accommodate rainwater.

Here, the washing water supply device may include a water supply connection pipe for supplying water to the inner upper portion of the housing and a cleaning valve for selectively opening and closing the water supply connection pipe.

In this case, the control unit may stop the blower fan unit in the washing process, and open the washing valve to control the washing water to be sprayed toward the filter unit.

The blower fan unit may include an inner housing having an upper portion open at an inner lower portion of the housing, an blowing fan provided inside the inner housing, and an upper portion of the inner housing for selectively opening an upper portion of the inner housing. A damper can be provided.

The controller may control the damper to open the upper portion of the inner housing when the blower fan is used to purify the air, and control the damper to shield the upper portion of the inner housing when the filter unit is washed. have.

According to the air purifying device for the open space of the present invention, despite the outdoor open space, it is possible to provide clean air to the people who stay by lowering the concentration of dust in the space in which people stay.

Furthermore, the present invention can apply the filter that can be continuously used and enable the water washing of the filter with the constant water provided in rainwater or tap water to reduce the cost and improve the convenience of maintenance.

 In addition, according to the present invention is equipped with a pollution degree sensor for measuring the air pollution of the outdoor, by controlling the output of the blowing fan according to the air pollution degree or by displaying the dust concentration with a lighting unit, etc., at the same time improve the efficiency and user convenience of the air purifier You can.

1 is a schematic diagram showing the flow of air passing through the filter portion of the air purifying device for an open space according to an embodiment of the present invention,
Figure 2 is a front view showing an air purifying device for an open space according to an embodiment of the present invention,
Figure 3 is a front view showing an air purifying device for an open space according to another embodiment of the present invention,
4 is a cross-sectional view of FIG.
5 is a block diagram showing the configuration of an air purifying apparatus for an open space according to FIG. 3;
6 is a cross-sectional view showing a process clean process of the air purifier for the open space according to FIG.
7 is a cross-sectional view showing a filter part washing process of the air purifying device for the open space according to FIG.
8 is a cross-sectional view of an air purifying device for an open space according to another embodiment of the present invention;
9 is a block diagram showing the configuration of the air purifying device for the open space according to FIG.
10 and 11 illustrate a configuration according to various embodiments of the filter unit.

Hereinafter, preferred embodiments of the present invention will be described in detail. However, the invention is not limited to the embodiments described herein but may be embodied in other forms. Rather, the embodiments introduced herein are provided so that the disclosure may be made thorough and complete, and to fully convey the spirit of the present invention to those skilled in the art. Like numbers refer to like elements throughout.

1 illustrates a flow of air passing through a filter unit 500 and a filter unit 500 applicable to an open space air purifying apparatus 1000 according to an embodiment of the present invention (see FIG. 2).

As shown in FIG. 1, the filter unit 500 applied to the air purifying apparatus 1000 for the open space of the present invention may be configured such that a brush type filter member 505 is disposed in a spiral shape. For example, the filter unit 500 may include a central axis 510 vertically disposed inside the housing 300 and a filter member 505 spirally along an outer circumferential surface of the central axis 510. Can be. If the filter member 505 is mounted in a spiral shape, the central axis may be omitted or may be configured in the form of a thin wire.

The filter member 505 may be made of a material such as resin so that it can be washed and used repeatedly as will be described later.

The filter unit illustrated in FIG. 1 removes dust included in air introduced into the housing 300 in the process of flowing along the flow path inside the housing.

A part of the air introduced to pass through the filter unit 500 of the present invention flows along the spiral flow path A upward from the lower portion of the housing 300, and the remaining air filters the filter unit 500. It may flow along the flow path B passing between the members 505.

In this case, the fine dust spreading force, the fine dust centrifugal force, and the electrostatic force by friction between the filter material and the housing are received according to the size or type of the dust particles, so that the fine dust is between the filter member 505 or the inner surface of the housing 300. Can be collected on.

Specifically, as shown in FIG. 1, the air introduced into the housing 300 includes dust of various particle sizes, and when the dust particles are large, centrifugal force or gravity acts in the flow process along the spiral flow path. The dust is collected in such a way that the dust is seated on the inner surface of the filter member 505 or the housing 300. When static electricity is present in the inner surface of the filter member 505 or the housing 300, adsorption is generated and removed. Can be.

In addition, since fine dust is spread on the flow path according to the concentration of dust, the dust contained in the inflowed air can be removed by being trapped by the filter member or being trapped by the filter member while repeatedly passing through the spiral flow path and the straight flow path. have.

Since the filter member 505 is provided with a plurality of times, for example, 10 times or more, it is possible to obtain dust collection efficiency comparable to that of a general transmission filter by centrifugal force (or gravity), static electricity, or diffusion.

As described above, a part of the contaminated air introduced into the lower portion of the housing 300 flows along the spiral flow path A, and the remaining air passes between the filter members 505 constituting the filter part 500. Flow along the flow path (B). In this case, the air introduced into the housing flows through the spiral flow path A and the flow path B through the method of adjusting the density of the filter member 505, the output of the blowing fan, or the inclination angle of the spiral flow path A. You can adjust the ratio.

Here, if the density of the filter member 505 is increased, the ratio of air flowing in the helical flow path A among the introduced air is increased, and if the density of the filter member 505 is decreased, the ratio of air flowing in the helical flow path A is reduced. This decreases. Therefore, in order to increase the amount of air purification per hour, the pressure loss should be minimized, and in order to reduce the pressure loss, it is preferable to select and apply a filter unit having a relatively low density of the filter member.

And, the filter unit 500 may have a structure that can be washed by the washing water, as will be described later. The washing water may be flushed and used to wash the filter member 505 constituting the filter unit 500 without using a separate pump or the like downward from the upper housing.

In addition, the contaminated air passing through the filter unit 500 is preferably configured to be introduced from the lower side, flow upward, purify and lead upward. This is because outdoor scattering dust considers the characteristics generated near the floor and the user's breathing height. Hereinafter, an air purifying apparatus 1000 for an open space provided with the filter unit 500 described with reference to FIG. 1 will be described.

2 is a front view showing an air purifying apparatus 1000 for an open space according to an embodiment of the present invention.

Referring to FIG. 2, the air purifying apparatus 1000 for the open space is installed in an open space such as a public transport stop, a park, a playground, a rest area, and contaminated air in the open space is introduced through a lower portion of the open space. It may be provided with a columnar housing 300 through which the purified air is discharged.

The housing 300 is illustrated as being configured in the form of a column, for example, a cylinder, but the shape thereof may be variously changed. Therefore, the air purifying device for the open space according to the present invention can be applied to replace the pillars of public structures of various open spaces, such as the existing shade film structure, the pillar of the stop.

Examples of such open spaces can be installed in outdoor open spaces such as public transport stops, parks, playgrounds, and rest areas where people gather mainly, or in open spaces of relatively large indoor spaces such as airports and train waiting rooms. It does not specifically limit.

The housing 300 sucks the polluted air in the open space, for example, air contaminated with fine dust, yellow sand, and the like to discharge the purified air.

To this end, a flow path through which air flows is formed inside the housing 300, and the air is purged by the filter unit 500, which will be described later, by sucking air from the lower portion of the housing 300. The purified air is discharged from the upper part of the supply. Therefore, when looking at the flow direction of the air from the inside of the housing 300 will take the overall flow form from the bottom to the top.

A plurality of air inlet holes 302 through which contaminated air in the open space is introduced is formed below the housing 300, and may further include a blowing guide unit 350 for adjusting the air direction discharged into the open space. have.

A plurality of the air inlet hole 302 is provided in the lower portion of the housing and the purified air may be applied to the structure leading to the upper portion of the housing 300.

It is desirable to apply the top discharge method in consideration of the characteristics that outdoor scattering dust is generated near the floor and the user's breathing height.

The contaminated air in the open space introduced into the housing 300 through the air inlet hole 302 flows upward by the blowing fan unit 400 (see FIG. 4), which will be described later, and the filter unit 500. It is purified by the discharge from the upper portion of the housing 300 toward the open space.

As described above, the filter unit 500 may be configured such that the brush-type filter member 505 of a material which is not vulnerable to washing water (water or rain water) is arranged in a spiral shape. For example, the filter part 500 may include a central axis 510 vertically disposed inside the housing 300 and a brush type filter member spirally disposed along an outer circumferential surface of the central axis 510. 505).

The central axis 510 may extend vertically up and down along the inner center of the housing 300. In this case, the upper end of the central shaft 510 may be connected to the cleaning pipe 605 (see FIG. 4) for supplying the washing water for washing the filter unit 500. The cleaning pipe 605 will be described in detail later. In addition, the lower end of the central shaft 510 may be connected to the upper end of the inner housing 420 of the blowing fan unit 400.

In this case, a brush type filter member 505 that filters air along the circumference of the central axis 510 may be provided in a spiral shape.

Various pollutants, including fine dust, may be filtered by the filter member 505 while the contaminated air passes through the filter unit 500 by the above-described driving fan 430.

When the filter member 505 including the filter member is provided with static electricity, the filter member 505 may capture fine dust or foreign substances by electric charges to maximize the filtering effect. In this case, in order to generate static electricity by the filter member 505, the above-described central axis 510 may be rotated in one or both directions to induce friction. For example, although not shown in the drawings, a driving part such as a motor is provided inside or outside the housing 300, and the driving part and the central axis 510 are connected to rotate the central axis 510 to friction. It can try to generate static electricity by.

In this case, the air blown by the blowing fan unit 400 flows along the longitudinal direction of the housing 30 to penetrate the filter member 505 and the spiral of the filter member 505. It may flow upward along the spiral flow path A moving along the flow path.

In this case, when the air blown by the blowing fan unit 400 is blown along the flow path B passing through the filter member 505, relatively fine dust may be filtered out, and the filter member 505 may be used. When blowing along the spiral flow path A moving along the spiral flow path of the relatively large dust or foreign matters can be filtered.

The filter may be semi-permanently used because the filter is spirally configured with such a resin and the filter is washed and reused as described below.

The dust particles contained in the air passing through the filter pass through the helical flow path A and the flow path B passing through the filter, so that the filter surface is collected, the kinetic energy is reduced, or the adsorption or jamming occurs due to static electricity. Can be.

Specifically, the dust contained in the air introduced into the housing 300 by the blowing fan unit 400 is ultra fine dust diffusion force, fine dust centrifugal force, filter material in the flow of the air flows along the flow path inside the housing Fine dust removal efficiency corresponding to the conventional filter method can be obtained by the electrostatic force due to friction between the housing and the housing.

In addition, if the filter is formed in a spiral shape and further the filter is formed by planting fibers, dust may be removed from the contaminated air, and there is an advantage in that the filter may be easily washed by the washing water.

As such, when the air moves along various paths, the contact area with the filter member 505 increases during the movement, thereby improving the filtering effect by the filter member 505.

On the other hand, although not shown in the figure, the filter may be composed of a hermetic filter (not shown) through which air does not pass. In this case, the air blown by the blowing fan unit may be filtered by flowing upward along the spiral flow path of the filter.

On the other hand, the air purified by the filter unit 500 is discharged through the blowing guide unit 350 from the upper portion of the housing 300, the blowing guide unit 350 is a direction in which the purified air is discharged It is configured to adjust.

For example, the blowing guide unit 350 may include an opening 352 formed at an upper end of the housing 300 and purified air discharged through the opening 352 while opening or shielding the opening 352. It may be provided with a guide door 354 to guide the direction of.

Therefore, the guide door 354 is controlled according to the expected position of the occupant according to the characteristics of the installation space to adjust the direction of purified air, or the direction in which the purified air is drawn is continuously changed by controlling the guide door 354. It can be configured to.

In this case, whether the guide door 354 is opened or shielded, and in addition, the opening angle or the supply angle of the purified air when the guide door 343 is opened, is described in the controller 200 (see FIG. 5). Can be controlled.

On the other hand, the housing 300 may be provided with a pollution degree sensor 320 for measuring the pollution degree of the outdoor air. The pollution degree sensor 320 may include, for example, a sensor for measuring at least one of fine dust, ultrafine dust, nitrogen dioxide, ozone, carbon monoxide, and sulfur dioxide.

In this case, the pollution measurement value measured by the pollution degree sensor 320 is transmitted to the control unit 200 of the air purification apparatus 1000 for the open space, and the control unit 200 determines that the pollution measurement value of the pollution degree sensor 320 is determined. When the preset reference value is exceeded, the blower fan unit 400 to be described later is driven or the output of the blower fan unit 400 is controlled to purify the air.

In this case, the reference value may be predetermined and stored in the control unit 200. For example, the reference value for the pollution level of the entire air may be set or stored, or fine dust, ultrafine dust, nitrogen dioxide, ozone, carbon monoxide, sulfite Individual reference values may be set for individual pollutants such as gas. In this case, the number of contamination factors for driving the blowing fan unit 400 may be predetermined and stored in the controller.

For example, the blower fan unit 400 is driven even when the reference value for any one of the individual contaminants such as fine dust, ultra fine dust, nitrogen dioxide, ozone, carbon monoxide, and sulfur dioxide is exceeded. The blower fan unit 400 may be set to be driven when the reference value for two or more pollution factors is exceeded. As such, the number of the pollution factors for driving the blower fan unit 400 is merely described, for example, and may be appropriately adjusted.

On the other hand, in recent years, since the air pollution caused by fine dust, ultrafine dust or yellow dust is very serious, the value measured by the pollution degree sensor 320 is at least one reference value among the fine dust and ultrafine dust among the above-described pollution factors. When exceeding, it is preferable to control the blowing fan unit 400 to be driven.

In addition, a wireless or wired communication module (not shown) may be further provided to update or adjust the reference values for the various pollution factors described above. Accordingly, the controller may transmit and receive various information including an update of a reference value through the communication module.

In addition, when the communication module is provided as described above, a driving command may be transmitted and driven through the communication module in the central control room. That is, in the case where a plurality of the air purifying apparatuses 1000 for the open space are installed, the purifier is automatically driven by the pollution degree sensor 320 as described above, or by the drive command transmitted from the external control room. May be driven.

On the other hand, the housing 300 may be further provided with a lighting unit 340. The lighting unit 340 is provided on the housing 300 may be controlled by the controller 200 to drive over time.

For example, the control unit 200 may be controlled to turn off the lighting unit 340 during the day time and turn on the lighting unit 340 during the evening or night time. .

In addition, the controller 200 may control the lighting unit 340 by the pollution measurement value measured by the pollution degree sensor 320.

That is, when the pollution measurement value of the pollution sensor 320 exceeds a preset reference value, especially when the measurement value such as fine dust or ultrafine dust exceeds the reference value, the controller 200 operates the lighting unit 340. The pollution level can be informed by lighting or by changing the color of the light.

The lighting unit 340 may be made of LED (Light Emitting Diode) lighting and the like, but is not particularly limited.

Meanwhile, the housing 300 may further include an information providing display unit 310 displaying weather information, advertisements, or traffic information including air pollution.

The display unit 310 may be located at an approximately upper portion of the housing 300 in consideration of a user's gaze height.

3 is a front view illustrating an air purifying apparatus 1000 ′ for an open space according to another embodiment of the present invention, FIG. 4 is a cross-sectional view of FIG. 3, and FIG. 5 is an air purifying apparatus for an open space according to FIG. 1000 ') is a block diagram showing the configuration.

3 to 5, the open air purifier 1000 ′ according to the present exemplary embodiment may have a structure similar to the open air purifier 1000 of FIGS. 1 and 2 described above.

That is, the open air purifier 1000 ′ has a columnar housing 300 through which contaminated air in the open space is introduced and a purged air is discharged through an upper portion thereof, and the housing 300. It is provided on the inner lower portion, the blowing fan unit 400 for blowing the air sucked in the upper direction toward the housing 300, the blowing fan unit 400 is provided on the upper, the brush type filter member 505 is provided It is disposed in a spiral configuration, it may be provided with a filter unit 500 for filtering the air blown by the blowing fan unit 400 and a control unit 200 for controlling the driving of the blowing fan unit 400. In this case, a part of the air introduced into the housing 300 passes through the filter member 505 along the longitudinal direction of the housing 300, and the rest flows along the spiral flow path of the filter member 505. .

The blowing fan unit 400 is provided inside the housing 300. In this case, the blowing fan unit 400 may be located inside the housing 300. That is, the air introduced into the housing 300 through the air inlet hole 302 formed in the lower portion of the housing 300 is disposed in the upper portion of the housing 300 by the blowing fan unit 400. Flow toward the filter unit 500 is located.

In this case, the blower fan unit 400 is provided at an inner lower portion of the housing 300 to open an upper portion thereof, and is provided at an inner housing 420 through which the contaminated air flows, and inside the inner housing 420. A blower fan 430 for flowing the contaminated air toward an upper portion thereof, and a damper 410 rotatably provided at an upper portion of the inner housing 420 to selectively open an open upper portion of the inner housing 420. It can be provided.

The inner housing 420 is located below the inside of the housing 300. In this case, the inner housing 420 may have a shape corresponding to the inner shape of the housing 300. That is, in the case of the circular housing of the housing 300, the inner housing 420 may also have a conical shape.

That is, the upper portion of the inner housing 420 may have a conical shape that converges. In this case, the converged upper end of the inner housing 420 may be connected to the central axis 510 of the filter unit 500 to be described later.

A lower portion of the inner housing 420 may include an air inlet 422 for introducing contaminated air introduced into the housing 300 through the air inlet hole 302 into the inner housing 420. Can be. The air inlet 422 is configured as an opening to allow contaminated air to flow into the inner housing 420 when the blower fan 430 is driven.

On the other hand, a blowing fan 430 is provided inside the inner housing 420. The blower fan 430 is driven in accordance with a control command of the controller 200 to open an air space introduced through the air inlet hole 302 of the housing 300 and the air inlet 422 of the inner housing 420. The air of the to flow toward the upper filter portion 500.

In this case, the blowing fan 430 may be configured as an axial fan. Therefore, the contaminated air flows upward along the axial direction of the blower fan 430 to move the air upwardly vertically in the interior of the housing 300.

On the other hand, the upper portion of the inner housing 420 has an open shape, it is provided with a plurality of dampers 410 rotatable to selectively seal the upper portion of the open inner housing 420.

In this case, as shown in the figure, a portion of the upper portion of the inner housing 420 is opened, and the open area may be sealed by the damper 410. Alternatively, although not shown in the drawing, the upper part of the inner housing 420 is fully open, and the open upper part of the inner housing 420 may be sealed by the damper.

The damper 410 may be rotatably connected to an upper end of the inner housing 420 or a central axis 510 of the filter part 500 connected to the inner housing 420.

In this case, the rotation driving of the damper 410 may be driven according to the control signal of the controller 200. When the damper 410 rotates upward from the upper portion of the inner housing 420 (indicated by hidden lines in FIG. 3), at least a portion of the upper portion of the inner housing 420 is opened, and the damper 410 is opened. Rotating toward the bottom seals the upper portion of the inner housing 420.

When the air purifying device 1000 for the open space according to the present invention is driven for a predetermined time or more, it is necessary to wash the filter part 500. In this case, the filter unit 500 is washed by supplying the washing water from the upper part of the housing 300 to the inner side. If the upper part of the inner housing 420 is continuously opened, the filter part 500 is removed. The cleaned wash water may flow into the inner housing 420.

That is, the contaminated air in the open space may be sucked through the blower fan 430 to be transported upward and purified, and the washing water in the washing process may flow downward to wash the contaminated filter.

In this case, the washing water is supplied to the blowing fan 430 located inside the inner housing 420, which may cause failure or breakage of the blowing fan 430.

Therefore, the controller 200 controls the damper 410 to open to open the upper portion of the inner housing 420 when the blower fan 430 is driven, and stops the blower fan 430. When the filter unit 500 is washed, the damper 410 is controlled to seal the upper portion of the inner housing 420.

On the other hand, when the air is purified by the air purifying apparatus 1000 ′ for the open space according to the present invention, contaminants such as dust may be attached to the filter member 505, which lowers the filtering effect by the filter. Let's go. Therefore, it is necessary to clean the filter unit 500 of the air purifier 1000 ′ for the open space periodically or according to the manager's choice.

In the open space air purifying apparatus 1000 ′ according to the present invention, when the filter unit 500 is washed, a method of washing the filter unit 500 by flowing washing water from the top is applied.

That is, a washing water supply device 600 for washing the filter member 505 may be provided by spraying the washing water from the upper inner side of the housing 300 toward the lower side.

In this case, when the washing water is dropped from the upper portion of the inside of the housing 300, the washing water may fall by its own weight, so that the filter unit 500 may be easily washed.

To this end, it may be provided with an accommodation space 110 is formed on the housing 300 to accommodate the water.

The accommodation space 110 is in communication with the upper end of the housing 300 through the supply hole 112 to supply the washing water toward the lower portion to wash the filter unit 500.

In this case, rainwater due to precipitation may accumulate in the accommodation space 110, and water accumulated in the accommodation space 110 is supplied toward the lower housing 300 through the supply hole 112.

That is, the accommodation space 110 may have a structure in which rain water flows in and is stored when there is an open structure or there is precipitation.

Meanwhile, in the present embodiment, as described above, the air blowing guide unit 1350 is provided together with the accommodation space 110 in which water is accommodated in the upper portion of the housing 300.

Therefore, in order to secure a space in which the purified air flows inside the housing 300 together with the accommodation space 110, the diameter of the upper portion of the housing 300 is larger than that of other regions, or the internal volume is increased. It may have a larger extension 1356.

In this case, a plurality of openings 1352 described above are formed along the side surface of the expansion unit 1356, and may include a guide door 1354 that selectively shields each opening 1352 and guides the air blowing direction. have.

That is, the upper part of the housing 300 has an extension 1356 having a larger diameter or larger internal volume than other areas, and the opening 1352 described above is disposed in the extension 1356. Can be.

The expansion unit 1356 has a relatively larger internal volume than other portions of the housing 300, so that the air purified by the filter unit 500 is discharged toward the outside of the housing 300. In this case, the flow resistance can be reduced. In addition, a receiving space 110 in which water is stored may be provided inside the extension 1356.

Therefore, in the present embodiment, when the washing water for washing the filter unit 500 is supplied, the filter unit 500 may be washed by using rainwater due to precipitation without needing to supply water separately. Therefore, a separate structure for supplying water for washing the filter unit 500 is not required, and thus, the cost of water supply and the like can be saved, so that the filter unit 500 can be economically washed.

In detail, a washing pipe 605 extending from the lower portion of the accommodating space 110 into the housing 300 to supply the washing water toward the filter unit 500, the accommodating space 110, and the washing pipe. Between the 605 may be further provided with a first washing valve 700 for selectively passing water.

The cleaning pipe 605 may extend downward from the center lower portion of the loop 100, for example. That is, the cleaning pipe 605 is connected to the supply hole 112 of the accommodation space 110 formed in the center of the loop 100 and extends toward the inside of the housing 300.

At this time, the lower end of the cleaning pipe 605 may be connected to the upper end of the central axis 510 of the filter unit 500 described above.

Meanwhile, a first washing valve 700 is provided between the accommodation space 110 and the washing pipe 605 to selectively pass water. That is, the flow path between the accommodation space 110 and the cleaning pipe 605 may be opened or closed by the first cleaning valve 700. The driving of the first washing valve 700 may be controlled by the controller 200 described above.

If the first cleaning valve 700 is omitted, since the flow path between the accommodation space 110 and the cleaning pipe 605 is always open, when the precipitation occurs, the water is washed with the cleaning pipe ( 605 may be supplied continuously. In this case, when the blowing fan 430 is driven, water may flow into the blowing fan 430 as described above.

Therefore, in the present embodiment, the first cleaning valve 700 for selectively opening the flow path between the accommodation space 110 and the cleaning pipe 605 is provided to clean the filter unit 500 only. 1 The washing valve 700 may be opened.

That is, the controller 200 controls the first washing valve 700 when driving the blowing fan 430 to purify the air flow path between the accommodation space 110 and the washing pipe 605. When closing the blower fan 430 to wash the filter unit 500 to control the first washing valve 700 between the receiving space 110 and the cleaning pipe 605 It is controlled to open the flow path.

On the other hand, the cleaning pipe 605 may be further provided with cleaning nozzles (610, 620) to be inclined downward at a predetermined angle along the outer surface to be supplied toward the filter unit 500.

The cleaning nozzles 610 and 620 may be disposed along the outer circumferential surface of the cleaning pipe 605, and may be stacked in an upper and lower part.

The washing nozzles 610 and 620 are formed to protrude to the outside from the washing pipe 605 at a predetermined length, and in this case, the washing nozzles 610 and 620 may be formed to be inclined downward at a predetermined angle.

If the cleaning nozzles 610 and 620 are omitted and water is directly supplied through a hole (not shown) of the cleaning pipe 605, the water does not fall toward the filter unit 500. It may flow along the outer wall of the cleaning pipe 605. In this case, the efficiency of cleaning the filter member 505 of the filter unit 500 is extremely low and the cleaning is not made smoothly.

Accordingly, in the present embodiment, the cleaning pipe 605 is formed to protrude, and further includes washing nozzles 610 and 620 inclined downward to supply water directly to the filter member 505 for washing efficiency. Can be maximized.

In this case, although not shown in the drawings, the protruding lengths of the cleaning nozzles 610 and 620 may be configured differently. That is, the protruding lengths of the cleaning nozzles 610 and 620 may vary according to the height of the housing 300.

Further, the sizes of the holes 612 and 622 through which water is supplied from the cleaning nozzles 610 and 620 may also vary according to the heights installed in the housing 300. For example, the diameter of the hole 612 of the washing nozzle 610 located in the upper portion of the housing 300 is increased, and the hole of the washing nozzle 620 located in the lower portion of the housing 300 is increased. The diameter of 622 can be made small.

6 is a cross-sectional view illustrating a state in which the blower fan 430 of the open space air purifier 1000 'is driven, and FIG. 7 is a blower fan 430 of the open space air purifier 1000'. It is sectional drawing which shows the state which stops and washes the filter part 500. FIG.

In detail, the control unit 200 drives the blower fan 430 as shown in FIG. 6 when the pollution measurement value measured by the pollution degree sensor 320 exceeds a preset reference value and air purification is required. The damper 410 is rotated upward to open the upper portion of the inner housing 420.

Therefore, the air in the open space introduced through the air inlet hole 302 of the housing 300 and the air inlet 422 of the inner housing 420 by the driving of the blower fan 430 is an upper filter part. Flow toward 500 may be filtered by the filter unit 500.

On the other hand, when the filter unit 500 needs cleaning, the control unit 200 stops the blower fan 430 and rotates the damper 410 downward as shown in FIG. The open top of 420 is sealed.

Therefore, since the upper portion of the inner housing 420 is sealed by the damper 410, the washing water that has washed the filter unit 500 does not flow into the inner housing 420, but the inner housing 420. Falls downward through the space between the outer wall of the) and the inner wall of the housing 300.

The water dropped to the lower portion of the housing 300 may be immediately discharged to the outside of the housing 300 or may be discharged to the sewer pipe (not shown) through the drain pipe 800 connected to the lower portion of the housing 300. have.

On the other hand, in the case of the above-described embodiment, when washing the filter unit 500 can be economically washed using rainwater due to precipitation, etc., depending on the season or time may be less precipitation, in this case Sufficient water may not be stored to clean the filter unit 500.

FIG. 8 is a cross-sectional view illustrating an open space air purifier 1000 ″ according to another embodiment for solving the above problem, and FIG. 9 is a cross-sectional view of the open space air purifier 1000 ″ according to FIG. 8. It is a block diagram which shows a structure.

8 and 9, the washing water supply device 600 of the air purifier 1000 ″ for the open space includes a tap water connection pipe 910 through which water for washing the filter unit 500 is supplied. A second washing valve 920 may be further provided to selectively block water supply by the water supply connection pipe 910.

That is, in the present embodiment, the water supply connection pipe 910 for supplying water for washing the filter unit 500 may be separately provided, and the water supply connection pipe 910 is installed inside the housing 300. It may be installed on the outer surface of the housing 300 or as shown in the figure.

For example, a plurality of connection holes 912 are formed at the upper part of the filter part 500 in the housing 300, and the water supply connection pipe 910 is connected to the connection hole 912 to clean the filter part. It is possible to supply the washing water.

At this time, the water supply connection pipe 910 may be connected to the water supply pipe and the like to supply water.

In this case, the connection hole 912 may be provided with a second washing valve 920 to selectively block the water supply. That is, when water is continuously supplied through the connection hole 912, water may flow into the blowing fan 430, and thus, a second washing valve 920 may be provided to prevent the water from flowing into the blowing fan 430.

Therefore, the controller 200 controls the second washing valve 920 to close the connection hole 912 when the blowing fan 430 is driven to purify the air, thereby closing the blowing fan 430. When the filter unit 500 is stopped and the filter unit 500 is stopped, the second washing valve 920 is controlled to open the connection hole 912.

On the other hand, the inner wall of the housing 300 may further include a guide portion 914 which is formed to be inclined at a predetermined angle downward to supply water toward the filter member 505.

That is, the guide part 914 is formed to protrude from the inner wall of the housing 300 toward the inside, and is formed by inclining at a predetermined angle downward. Therefore, the water supplied through the water supply connection pipe 910 is supplied toward the filter unit 500 without flowing along the inner wall of the housing 300 to increase the washing efficiency of the filter unit 500. have.

Meanwhile, the air purifying apparatus 1000 ″ for the open space according to the present embodiment may further include a loop 100 at an upper end of the housing 300.

The loop 100 may be configured to have a shape extending radially about the housing 300 as shown in the figure, in addition to the function of guiding the purified air downward to provide a shade or the like thereunder. It can also provide an effect.

The loop 100 may be selected to have a suitable strength and material, for example, may be made of synthetic resin, waterproof cloth, waterproof membrane, etc., and is not particularly limited.

In addition, when the roof 100 is provided at the upper end of the housing 300, the accommodation space 110 for accommodating the aforementioned water may be formed in the roof 100.

On the other hand, the above-described filter unit 500 is provided in the form of a module to improve the convenience of manufacturing or assembly, it can be easily performed in the case of maintenance.

In addition to controlling the washing water such as rain water or water in the washing process and the like by using a washing valve, it is possible to control a blowing fan and a damper so that washing is automatically performed in the rain.

That is, if a rain water sensor (not shown) and the like or more than a predetermined amount of rainfall is detected by the rain water sensor, the damper 410 shielding the upper portion of the inner housing 420 is operated to stop the blower fan 430 automatically It is also possible to configure a method for the filter cleaning to be performed. In this case, a washing valve for supplying the washing water may be omitted.

10 and 11 are views illustrating a configuration according to an embodiment in which the filter unit is provided in a module form. In FIG. 10 and FIG. 11, the above-mentioned center axis is comprised with the filter part abbreviate | omitted.

FIG. 10A is a side view of the coupling, and FIG. 10B is an exploded view. Referring to FIG. 10, the filter unit 1500 may include a pipe housing 1510 having an outer shape, a spring member 1530 that is compressed and inserted into an inside of the pipe unit 1510, and the filter unit 1500. The filter 1520 may be inserted into the five part 1510 and may receive an elastic force by the spring member 1530.

The pipe part 1510 may be provided in a circular housing shape in which upper and lower portions are opened, and a spring member 1530 and a filter 1520 are disposed therein.

In this case, the filter 1520 may be assembled to the spring member 1530, and then inserted into the pipe part 1510, and the upper and lower parts of the pipe part 1510 may be covered by the upper cover 1514 and the lower cover ( 1512) to squeeze. Therefore, the filter 1520 may be extended by receiving the elastic force up and down by the spring member 1530 inside the pipe part 1510.

On the other hand, the upper cover 1514 and the lower cover 1512 is to be formed with a member (not shown), such as mesh or wire mesh, so as to compress the spring member 1530 and enable the flow of air and water at the same time Can be. That is, the air or water flows freely by the mesh or wire mesh, but the spring member 1530 may be compressed.

11A is a side view of the engagement, and FIG. 11B is an exploded view. Referring to FIG. 11, the filter part 2500 includes a filter 2520 inside the pipe part 2510, wherein the filter 2520 includes a plurality of individual filters 2520A to 2520I to the central axis 510. It may be disposed along the form.

That is, in the above-described embodiment of FIG. 10, the filter 1520 is formed of one single member, but in the embodiment of FIG. 11, the filter 2520 may be composed of a plurality of individual filters 2520A to 2520I. have.

In this case, when damage or breakage occurs in any one of the individual filters 2520A to 2520I, there is an advantage that the maintenance can be easily and quickly performed by replacing or repairing only the individual filters.

Although the present specification has been described with reference to preferred embodiments of the invention, those skilled in the art may variously modify and change the invention without departing from the spirit and scope of the invention as set forth in the claims set forth below. It could be done. Therefore, it should be seen that all modifications included in the technical scope of the present invention are basically included in the scope of the claims of the present invention.

100: loop
200: control unit
300: housing
310: display unit
340: lighting unit
320: pollution degree sensor
400: blower fan unit
500 filter unit
700: first cleaning valve
920: second cleaning valve

Claims (11)

In the air purification device for the open space installed in the open space
A pillar-shaped housing through which a contaminated air in the open space is introduced and a purified air is discharged through the upper portion;
A blowing fan unit provided at an inner lower side of the housing to blow air sucked in an upper direction of the inner side of the housing;
A filter unit provided on the blower fan unit and configured to have a brush-type filter member disposed in a spiral shape and filtering air blown by the blower fan unit; And
And a controller for controlling the driving of the blower fan unit.
A part of the air introduced into the housing passes through the filter along the longitudinal direction of the housing, and the other flows along the spiral flow path of the filter,
And a washing water supply device for washing the filter by spraying the washing water from the upper inner side of the housing to the lower side, wherein the washing water supply device includes the washing water in the upper part of the housing and the receiving space in which the upper part is open. And a washing valve for controlling a supply of washing water supplied toward the upper inner side of the housing. The method of claim 1,
The filter unit includes a central axis, the air purifying device for the open space, characterized in that the filter member is arranged in a spiral around the central axis. The method of claim 1,
A plurality of air inlet holes through which air is introduced is formed in the lower portion of the housing, and further comprises a blowing guide unit for adjusting the air direction discharged to the open space in the upper portion of the housing Device. The method of claim 3,
An air purifier for open spaces, further comprising a loop at an upper end of the housing. delete delete The method of claim 1,
The accommodation space is an air purification device for open spaces, characterized in that the rain water can be accommodated. The method of claim 1,
The washing water supply device is an air purifying device for an open space, characterized in that it comprises a water supply connection pipe for supplying water to the inner upper portion of the housing and a cleaning valve for selectively opening and closing the water supply connection pipe. The method according to claim 1 or 8,
The control unit stops the blower fan unit in the cleaning process, the air cleaning device for the open space, characterized in that to control the washing water is sprayed toward the filter unit by opening the washing valve. The method of claim 1,
The blower fan unit is provided at an inner lower portion of the housing and has an open upper portion, a blower fan provided at an inner side of the inner housing, and a damper provided at an upper portion of the inner housing to selectively open the upper portion of the inner housing. Air purification device for open spaces, characterized in that it comprises a. The method of claim 10,
The control unit controls the damper to open the upper portion of the inner housing when the fan is driven to purify the air, and controls the damper to shield the upper portion of the inner housing when the filter unit is cleaned. Air purification device for open space.

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