KR102280707B1 - Ceiling type air clean device and sysem using the same - Google Patents

Abstract

The present invention relates to an air purifier and an air purification system using the same. More specifically, the device and system can remove fine dust and harmful microorganisms by purifying indoor air of a commercial store and/or a school classroom in real time. The present invention comprises: a housing installed in an indoor space to form an inlet formed in an upper portion thereof and an outlet formed in a lower portion thereof; a blower fan disposed between the inlet and the outlet to be installed inside the housing and sucking indoor air of the indoor space through the inlet to discharge the air through the outlet; and a main filter installed between the blower fan the outlet to filter the indoor air introduced into the housing.

Description

Ceiling type air purifier and air purifying system using the same {CEILING TYPE AIR CLEAN DEVICE AND SYSEM USING THE SAME}

The present invention relates to an air purifying device and an air purifying system using the same, and specifically, to purify indoor air in commercial stores and/or school classrooms in real time to remove fine dust and harmful microorganisms (harmful bacteria or viruses, etc.) It relates to devices and systems that can do this.

In general, an air purifier is a device that maintains the cleanliness of the indoor air by sucking in the indoor air to maintain a comfortable condition of the indoor air, performing filtration, and then discharging it back into the room.

However, even when filtration is performed through a conventional air purifier, fine dust or microorganisms harmful to the human body are not effectively removed from the air, and the air quality is lowered through the circulation of polluted air by supplying it back to the room. there is a problem.

An object of the present invention relates to an air purifying device and an air purifying system using the same, and specifically, by purifying indoor air in commercial stores and/or school classrooms in real time, fine dust and harmful microorganisms such as harmful bacteria and viruses To provide a device and system capable of removing

In order to achieve the above object, the present invention is a hexahedron with an empty interior, the housing is installed indoors, the intake port is formed on the upper side of the side, the outlet is formed on the lower side of the side; a lighting lamp installed on the lower surface of the housing; a blower fan disposed between the inlet and the outlet, installed inside the housing, sucking the indoor air through the inlet and discharging it through the outlet; a main filter installed between the blower fan and the outlet to filter the internal air flowing into the housing; a plurality of sub-filters installed on the inner surface of the housing and sequentially disposed at the inlet in a flow direction of the internal air to face the inlet; Auxiliary fan installed on the outer surface of the housing to face the inlet; A fine dust sensor on the side of the auxiliary fan installed in the auxiliary fan; a filter arrangement unit installed on the side of the housing to transport the sub-filter; and an air conditioning control unit for selectively controlling the operation of the auxiliary fan or the filter arrangement unit based on the measured value of the auxiliary fan-side fine dust sensor, wherein the sub-filter includes: a mesh network through which internal air passes; and a support installed in the mesh network along the perimeter of the mesh network, the filter arrangement part being installed on the inner surface of the housing perpendicular to the height direction of the housing, and a plurality of seating grooves in which the lower end of the support is mounted to flow the internal air Rails formed sequentially spaced apart from each other at regular intervals along the direction; a stopper installed on both sides of the rail along the height direction of the housing, and having mounting grooves connected to the seating grooves formed along the height direction of the housing; a plurality of electric motors provided for each sub-filter, disposed on the outer surface of the housing, and having a motor shaft passing through the side of the housing; a plurality of feed gears provided for each sub-filter, installed on the motor shaft, disposed on the upper end of the support, and meshed with teeth formed on the upper surface of the support along the longitudinal direction of the rail; and a disk shape having a larger diameter than the transfer gear, and a transfer guider installed on both sides of the transfer gear to be in close contact with both sides of the support, and the air conditioning control unit when the measured value of the fine dust sensor on the auxiliary fan side exceeds a preset fine dust concentration , the auxiliary fan is driven, and when the measured value of the fine dust sensor on the auxiliary fan side is less than or equal to the preset fine dust concentration, the auxiliary fan is stopped, and the number of sub-filters disposed at the inlet is preset for each fine dust concentration, By driving an electric motor based on the measured value of the fine dust sensor on the auxiliary fan side, the sub-filters can be linearly moved along the rail as much as the preset number of sub-filters to be placed or removed at the inlet.
In the present invention, the filter member may be formed of a HEPA filter or an ULPA filter.

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The present invention may further include a germicidal lamp installed on the upper portion of the housing.

In order to achieve another object, the present invention is made of a plurality of ventilation holes spaced apart from each other by a predetermined distance disposed inside the room; an air purifier installed inside the room to suck in the inside air through the ventilation hole and filter it; a fine dust sensor installed in the vent to measure the indoor fine dust concentration; and a central control unit for selectively controlling the operation of the air purifier based on the measured value of the fine dust sensor on the vent side.

The air purifying device and the air purifying system using the same according to the present invention can measure the indoor fine dust concentration in real time through the fine dust sensor, and quickly suck the internal air of the contaminated area through the blower fan to clean the main filter. Filtration may be carried out through

In addition, it is possible to increase the filtration efficiency by first removing large particles of dust by using a sub-filter separately from the main filter.

In addition, the sterilization lamp can sterilize viruses and bacteria that may be included in the filtered air, thereby further improving air quality.

1 is a block diagram of an air purification system according to an embodiment of the present invention.
FIG. 2 is a view showing a state in which the air purification system shown in FIG. 1 is installed in a commercial store.
3 and 4 are perspective views and cross-sectional views of the air purifier shown in FIG. 1 sequentially;
5 and 6 are front views of the filter arrangement part shown in FIG. 4 sequentially.
7 is a perspective view of the conveying roller shown in FIG.
8A and 8B are operational state diagrams of the filter arrangement unit shown in FIG. 4, showing a sequentially opened and closed state of the inlet.

In order to explain in detail enough that a person of ordinary skill in the art to which the present invention pertains can easily implement the technical idea of the present invention, the most preferred embodiment of the present invention will be described with reference to the accompanying drawings.

First, in adding reference numerals to the components of each drawing, it should be noted that the same components are given the same reference numerals as possible even though they are indicated in different drawings.

In addition, in describing the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

In the direction expressed in the content to be described below prior to the specific description of the present invention, the upper (upper) of the "upper" is a direction toward the inlet 111 side with respect to the outlet shown in FIG. 4, and the lower (下) is defined in the direction toward the outlet 112 side with respect to the inlet.

Hereinafter, an air conditioning system according to an embodiment of the present invention will be described with reference to FIGS. 1 to 8 .

1 is a block diagram of an air purification system according to an embodiment of the present invention, and FIG. 2 is a diagram illustrating a state in which the air purification system shown in FIG. 1 is installed in a commercial store.

Referring to FIGS. 1 and 2 , the air purification system 10 includes a plurality of ventilation holes 11 spaced apart from each other and disposed inside the room, and installed inside the room through the ventilation holes 11 . It may include an air purifier 100 that sucks and filters the internal air.

In addition, the air purifying system 10 selectively selects the driving of the air purifying device 100 based on the fine dust sensor 12 that measures the indoor fine dust concentration and the measured value of the fine dust sensor 12 . It may include a central control unit 13 for adjusting the .

The ventilation holes 11 and the air purifier 100 are interconnected via a (ventilation) duct 14, and the ventilation holes 11 are evenly arranged throughout the room, so that the polluted air does not spread in the room and purifies it immediately. This ensures that comfortable air quality can be maintained.

As shown in FIG. 2, commercial stores such as coffee shops, movie theaters, and restaurants are generally used by a large number of customers, and many other equipment are placed indoors, so that the ventilation holes 11, ducts 14, and air purifiers ( 100) is preferably placed on the ceiling of the room in consideration of the efficiency of the indoor space arrangement and air circulation.

The fine dust sensor 12 may be installed directly on the ventilation hole 11 or disposed in the vicinity of the ventilation hole 11 to measure fine dust contained in the internal air, and the central control unit 13 may control the fine dust When the measured value of the sensor 12 exceeds a preset fine dust concentration, the air purifier 100 may be driven.

And, when the measured value of the fine dust sensor 12 is less than or equal to a preset fine dust concentration, the central control unit 13 may stop the operation of the air purifier 100 .

That is, it is possible to measure the indoor fine dust concentration in real time through the air purification system 10 , and based on this, it is possible to purify the fine dust in real time, thereby maintaining a pleasant indoor air quality.

3 and 4 are perspective views and cross-sectional views of the air purifier shown in FIG. 1 sequentially;

Referring to FIGS. 3 and 4 , the air purifier 100 is installed indoors and includes a housing 110 having an intake port 111 formed at an upper portion and an outlet port 112 formed at a lower portion thereof, and the intake port 111 . and a blower fan 120 disposed between the outlet 112 and installed inside the housing 110, sucking the indoor air through the inlet 111 and discharging it through the outlet 112. can

In addition, the air purifier 100 may include a main filter 130 installed between the blowing fan 120 and the outlet 112 to filter the internal air flowing into the housing 110 .

The housing 110 may be formed in the form of a hexahedron or cylinder with an empty interior, and may be manufactured using a known material having a certain rigidity such as iron or plastic, and the upper surface of the housing 110 is installed on the ceiling in the room. and is fixed

The inlet 111 and the outlet 112 are formed on the side of the housing 110 , and a plurality of them may be formed along the periphery of the housing 110 , and the inlet 111 is in the duct 14 . connected so that internal air may be introduced into the housing 110 .

The blower fan 120 is disposed inside the housing 110 perpendicular to the height direction of the housing 110 , and is driven by the control of the central control unit 13 as described above for the housing 110 . The inside air can be sucked into the inside of the

The air purifier 100 may further include a fan holder 140 installed on the inner surface of the housing 110 to which the blowing fan 120 is fixed.

The fan holder 140 has a through hole 141 formed in the center so that the blowing fan 120 is disposed, and an inclined surface 142 on the upper surface and the lower surface of the fan holder 140 along the circumference of the through hole 141 . this is formed

That is, when the blowing fan 120 is driven, internal air flows along the inclined surface 142 to reduce flow resistance, so that the load on the blowing fan 120 can be reduced, and the It can also reduce noise caused by shaking.

The main filter 130 may be, for example, a HEPA filter or a Wolfa filter. The HEPA filter or Wolfa filter is a high-performance filter developed to remove harmful microorganisms and radioactive fine dust, and the HEPA filter has a thickness of 0.3 μm (microns). It is a filter that has a collection ability of 99.97% or more for particles, and the Wolfa filter is an ultra-high performance filter with a collection efficiency of 99.99% or more for 0.1㎛ particles.

The air purifier 100 may further include a sub-filter 150 installed on a side surface of the housing 110 and disposed at the suction port 111 .

The sub-filter 150 is a filter for removing dust particles larger than fine dust. For example, a mesh material may be used, and a plurality of sub-filters 150 are formed to face the suction port 111 to increase filtration efficiency. They may be sequentially arranged along the flow direction.

That is, large particles of dust may be removed through the sub-filter 150 to perform primary filtration, and fine dust as fine particles may be removed through the main filter 130 to perform secondary filtration. It can improve air quality and extend the life of the filter.

The air purifier 100 includes an auxiliary fan 160 installed on the outer surface of the housing 110 to face the suction port 111 , and an air conditioning control unit for selectively controlling the operation of the auxiliary fan 160 . 170) may be further included.

The auxiliary fan 160 may be provided with the fine dust sensor 12 , and the air conditioning control unit 170 controls the operation of the auxiliary fan 160 based on the measured value of the fine dust sensor 12 . can

The air conditioning control unit 170 measures the fine dust concentration of the internal air adjacent to the auxiliary fan 160, and when the measured value of the fine dust sensor 12 exceeds a preset fine dust concentration, the auxiliary fan 160 ) can be driven.

In addition, the air conditioning control unit 170 may stop the operation of the auxiliary fan 160 when the measured value of the fine dust sensor 12 is less than or equal to a preset fine dust concentration.

That is, the fine dust sensor 12 first measures the fine dust concentration near the ventilation hole 11, and when the measured value exceeds the preset fine dust concentration, the blowing fan 120 is driven to flows to the auxiliary fan 160 through the ventilation hole 11 .

Thereafter, the fine dust sensor 12 measures the fine dust concentration in the vicinity of the auxiliary fan 160 secondarily, and when the measured value exceeds the preset fine dust concentration, the auxiliary fan 160 is driven and the Since the suction power of the blowing fan 120 can be supported, the load of the blowing fan 120 can be reduced, and internal air purification of the contaminated area can be performed more quickly.

The air purifier 100 may further include a rotation plate 180 installed on the side surface of the housing 110 and disposed at the outlet 112 , and a rotation shaft along the longitudinal direction of the rotation plate 180 . 181 is installed on the rotation plate 180 and is hinged to the housing 110 .

In addition, the rotation plate 180 is rotated by an electric motor installed on the rotation shaft 181 so that the flow direction of the filtered air discharged through the outlet 112 can be adjusted.

The air purifier 100 may further include a sterilization lamp (not shown) installed on the upper portion of the housing 110 .

The sterilization lamp may be a UV lamp or a UV-C lamp, and is installed on the upper portion of the housing 110 to sterilize viruses and bacteria that may be included in the filtered air discharged through the outlet 112 . It can further improve air quality.

5 and 6 are sequential front views of the filter arrangement shown in FIG. 4 , and FIG. 7 is a perspective view of the conveying roller shown in FIG. 5 .

5 to 7 , the air purifier 100 may further include a filter arrangement unit 200 installed on a side surface of the housing 110 to transport the sub-filter 150 .

As described above, when a plurality of sub-filters 150 are sequentially arranged along the flow direction of the internal air, the filtration efficiency of air can be increased, but as the number of filters increases, the flow of air is hindered and the blower fan (120) overload and driving noise may occur.

Accordingly, in consideration of the filtration efficiency and the capacity of the blowing fan 120 , an appropriate number of filters are preferably disposed outside the sub-fan of the suction port 111 sequentially along the flow direction of the internal air.

Hereinafter, for ease of description, as shown in the drawings, the sub-filter 150 of the present invention will be described with reference to two filters.

The filter arrangement unit 200 includes a rail 210 on which the sub-filter 150 is mounted, and a transfer gear 220 installed on the inner surface of the housing 110 to linearly move the sub-filter 150 . may include

The rail 210 is installed on the inner surface of the housing 110 perpendicular to the height direction of the housing 110, and a seating groove 211 in which the sub-filter 150 is mounted controls the flow direction of the internal air. Accordingly, they may be sequentially spaced apart from each other at a predetermined interval and formed inside the rail 210 .

The transfer gear 220 is installed on the motor shaft 221 of the electric motor and rotates, the motor shaft 221 passes through the side surface of the housing 110 so that the electric motor is installed on the outer surface of the housing 110 . can be placed in

The transfer gear 220 , the motor shaft 221 , and the electric motor are arranged and installed for each sub-filter 150 , and are sequentially installed on the side surface of the housing 110 along the moving direction of the sub-filter 150 . can be

The sub-filter 150 is provided with a support 152 along the circumference of the mesh network 151, and a plurality of teeth 153 are formed on the upper surface of the support 152 along the moving direction of the sub-filter 150. formed at a certain interval.

The transfer gear 220 is disposed on the upper surface of the support 152 and meshed with the teeth 153 , and the sub-filter 150 linearly moves left and right in synchronization with the rotation of the transfer gear 220 . It may be disposed in the suction port 111 or may be removed.

The filter arrangement unit 200 may further include stoppers 230 installed on both sides of the rail 210 along the height direction of the housing 110 , and the seating groove is inside the stopper 230 . A holding groove 231 connected to the 211 may be formed, and the linear movement of the sub-filter 150 may be restricted by inserting the linearly moved sub-filter 150 into the holding groove 231 and being caught. can

That is, the sub-filter 150 is disposed on the rail 210 and moved to limit the movement range by the stopper 230, thereby reducing the fluctuation of the sub-filter 150 due to the flow of internal air. At the same time, a stable movement can be performed.

Here, in order to further reduce the fluctuation of the sub-filter 150, the filter arrangement unit 200 is disposed on both sides of the support 152 and transfer guiders 240 installed on both sides of the transfer gear 220. may include more.

The transfer guider 240 has a plate shape and is in close contact with both sides of the support 152 to reduce fluctuations of the sub-filter 150 due to the flow of internal air, so that the sub-filter 150 is more stably linear. can be moved

8A and 8B are operational state diagrams of the filter arrangement unit shown in FIG. 4, showing a sequentially opened and closed state of the inlet.

Referring to FIGS. 8A and 8B , the fine dust sensor 12 measures the fine dust concentration near the auxiliary fan 160 , and the air conditioning control unit 170 is based on the measured value of the fine dust sensor 12 . Thus, the sub-filter 150 is disposed or removed in the suction port 111 .

Here, in the air conditioning control unit 170, the number of arrangement of the sub-filters 150 may be preset for each fine dust concentration, and the sub-filter 150 is preset based on the measurement value of the fine dust sensor 12 . By disposing or removing the sub-filter 150 in the inlet 111 as many as the number of , overload and driving noise of the blower fan 120 can be reduced.

On the other hand, the air purifying device of the present invention may further include a downward-facing lighting lamp 190 at the bottom of the device. The lighting lamp 190 is responsible for the lighting of the room, it is preferable that the LED lighting. According to an embodiment of the present invention, the lighting lamp 190 may be integral with or detachable from the air purifier. In the case of the removable type, there is an advantage that the user can replace it with an appropriate lighting according to the needs of the surrounding environment. In addition, in the case of the air purifier having such a lighting lamp, it is not necessary to add a separate lighting facility, so that it is possible to use economically limited space for interior decoration.

As described above, the air purifying apparatus and the air purifying system using the same according to an embodiment of the present invention can measure the indoor fine dust concentration in real time through the fine dust sensor, and the inside of the contaminated area through the blowing fan. Filtration can proceed through the main filter by rapidly sucking air.

In addition, it is possible to increase the filtration efficiency by first removing large particles of dust by using a sub-filter separately from the main filter.

In addition, the sterilization lamp can sterilize viruses and bacteria that may be included in the filtered air, thereby further improving air quality.

Furthermore, according to the air purification system of the present invention, by arranging the unit consisting of the ventilation hole and the air purification device as far apart as possible, the airflow in the room can be maintained at a laminar flow, effectively preventing the spread of virus by droplets and facilitating the discharge. It has the advantage of being able to do it.

As described above, the best embodiment has been disclosed in the drawings and the specification. Although specific terms are used herein, they are used only for the purpose of describing the present invention and are not used to limit the meaning or the scope of the present invention described in the claims. Therefore, it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible therefrom. Accordingly, the true technical protection scope of the present invention should be defined by the technical spirit of the appended claims.

10: air purification system 11: ventilation port
12: fine dust sensor 13: central control unit
100: air purifier 110: housing
120: blow fan 130: main filter
140: fan holder 150: sub filter
160: auxiliary fan 170: air conditioning control unit
180: rotating plate 190: (light) lamp
200: filter arrangement part

Claims (5)

a housing having a hollow hexahedron interior, installed indoors, an intake port is formed on the upper side of the side, and an outlet port is formed on the lower side of the side;
a lighting lamp installed on a lower surface of the housing;
a blower fan disposed between the inlet and the outlet, installed inside the housing, sucking the internal air of the room through the inlet and discharging it through the outlet;
a main filter installed between the blower fan and the outlet to filter the internal air flowing into the housing;
a plurality of sub-filters installed on the inner surface of the housing and sequentially disposed at the inlet in a flow direction of the internal air to face the inlet;
an auxiliary fan installed on an outer surface of the housing to face the suction port;
an auxiliary fan-side fine dust sensor installed in the auxiliary fan;
a filter arrangement unit installed on a side surface of the housing to transport the sub-filter; and
an air conditioning control unit for selectively controlling the driving of the auxiliary fan or the filter arrangement unit based on the measured value of the auxiliary fan-side fine dust sensor;
including,
The sub-filter is
a mesh network through which the internal air passes; and
a support installed on the mesh network along the perimeter of the mesh network;
including,
The filter arrangement unit,
a rail installed on the inner surface of the housing perpendicular to the height direction of the housing, and in which a plurality of seating grooves in which the lower end of the support is mounted are sequentially spaced apart from each other at predetermined intervals along the flow direction of the internal air;
a stopper installed on both sides of the rail along the height direction of the housing, and having mounting grooves connected to the seating grooves formed along the height direction of the housing;
a plurality of electric motors provided for each sub-filter, disposed on the outer surface of the housing, and having a motor shaft passing through the side surface of the housing;
a plurality of transfer gears provided for each sub-filter, installed on the motor shaft, disposed on the upper end of the support, and engaged with teeth formed on the upper surface of the support along the longitudinal direction of the rail; and
a transfer guider in the form of a disk having a larger diameter than the transfer gear, installed on both sides of the transfer gear, and closely attached to both sides of the support;
including,
The air conditioning control unit,
When the measured value of the fine dust sensor on the auxiliary fan side exceeds a preset fine dust concentration, the auxiliary fan is driven,
When the measured value of the fine dust sensor on the auxiliary fan side is less than or equal to a preset fine dust concentration, stopping the operation of the auxiliary fan,
The number of batches of the sub-filters disposed in the inlet is preset for each fine dust concentration,
An air purifier that drives the electric motor based on the measured value of the auxiliary fan-side fine dust sensor to linearly move the sub-filters along the rail as much as a preset number of sub-filters to arrange or remove the sub-filters at the inlet.
The method of claim 1,
The main filter is
An air purifier consisting of a HEPA filter or a Wolfa filter.
delete The method of claim 1,
The air purifier further comprising a sterilization lamp installed on the upper portion of the housing.
a plurality of ventilation holes spaced apart from each other at regular intervals and disposed inside the room;
The air purifying device of claim 1, which is installed inside the room and sucks and filters the inside air of the room through the ventilation hole;
a vent-side fine dust sensor installed in the vent to measure the concentration of fine dust in the room; and
a central control unit selectively controlling the operation of the air purifier based on the measured value of the fine dust sensor on the vent side;
An air purification system comprising a.

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