KR102419819B1 - Air Supply Apparatus With Easily Replaceable Filter - Google Patents

Abstract

The present invention relates to an air supply device that is easy to replace a filter that can smoothly replace the filter of the air supply device installed in a relatively high place on the ground. , a supply fan built in the casing to supply outside air to the indoor space by a fan driving motor, a filter assembly built in the casing to remove foreign substances contained in the outside air, and the filter assembly from the inside of the casing to the ground side and a filter lifting unit for raising and lowering.

Description

Air Supply Apparatus With Easily Replaceable Filter

The present invention relates to an air supply device that is easy to replace a filter, and to an air supply device that is easy to replace a filter that can smoothly replace the filter in the air supply device installed at a relatively high place on the ground.

In general, a supply/exhaust device is a device for creating a comfortable environment by forcibly supplying/exhausting air to a large space such as an indoor gym where ventilation is required as an indoor space ventilation device.

Such a supply/exhaust device may be divided into an exhaust device for discharging polluted air to the outside and an air supply device for supplying fresh air from the outside to the inside.

More specifically, the air supply device includes a filter for filtering out foreign substances such as fine dust and yellow sand contained in the external air in order to supply fresh air to the internal space.

In particular, the air supply device (S) installed in a relatively large indoor space, such as an indoor gym or auditorium, is preferably installed in a relatively high place as shown in FIG. 1 for smooth air circulation.

As described above, in order to replace the filter of the conventional air supply device installed at a relatively high place 5 m or more from the floor, the operator must move to the air supply device side through a ladder while carrying the new filter to be replaced to replace the filter. However, there is a problem that safety accidents such as being injured by falling from a previously used filter or related parts during filter replacement work or being injured by falling from a ladder, etc. often occur.

Meanwhile, in Korean Patent Laid-Open Publication No. 10-2006-0033296, as shown in FIG. 2 , a filter 10 is formed long on the front or rear side of a fan or the like, and one end of the filter 10 is wound and the filter is built-in. Disclosed is a filter replacement device including a supply unit 20 and a filter recovery unit 30 spaced apart from the filter supply unit 20 and wound around the other end of the filter 10 .

In this conventional filter replacement device, when the life of the filter 10 located between the filter supply unit 20 and the filter recovery unit 30 is completed, the filter is replaced by a motor built into the filter recovery unit side 30 . The used filter 10 is wound to the filter recovery unit 30 side, and the filter 10 wound on the filter supply unit 20 side is positioned between the filter supply unit 20 and the filter recovery unit 30 . It is possible to extend the period of use of the filter 10 by being positioned in the .

However, such a conventional filter replacement device only extends the replacement cycle of the filter, and when the use of the filter 10 is completed, in order to replace it, as described above, the operator still carries a ladder to replace the new filter. There is a problem with the risk of a safety accident such as a fall because the filter must be replaced by moving to the air supply device side.

Korean Patent Publication No. 10-2006-0033296 (published on September 19, 2006)

An object of the present invention was devised to solve the above-mentioned problems. When replacing a previously used and polluted filter in an air supply device installed at a relatively high place, the operator moves to the air supply device side through a ladder while carrying a new filter to be replaced. An object of the present invention is to provide an air supply device with easy filter replacement that can safely perform filter replacement work on the ground without the need for it.

The objects of the present invention are not limited to the objects mentioned above, and other objects and advantages of the present invention not mentioned may be understood by the following description, and will be more clearly understood by the embodiments of the present invention.

It will also be readily apparent that the objects and advantages of the present invention may be realized by the means and combinations thereof indicated in the appended claims.

In order to solve the above problems, the air supply device for easy filter replacement according to the present invention includes a casing in which the first louver faces the inner space and the second louver faces the outer space, and is built into the casing and is externally driven by a fan driving motor. and an air supply fan for supplying air to the indoor space, a filter assembly installed in the casing to remove foreign substances contained in external air, and a filter lifting unit for lifting and lowering the filter assembly from the inside of the casing to the ground side.

In addition, the air supply fan is formed on the first louver side, the filter assembly and the lifting frame are formed on the second louver side, and installed between the second louver and the filter lifting unit to face the inner space It may include a third louver.

More specifically, the filter lifting unit includes a lifting frame from which the filter assembly is detached, a strip having one end coupled to the lifting frame and the other end wound around a strip drum, and an elevator driving motor for rotating the strip drum in a forward or reverse direction. do.

Meanwhile, the air supply device for easy filter replacement according to the present invention may further include a filter sterilizing means between the air supply fan and the filter lifting unit.

In addition, between the air supply fan and the filter lifting unit may further include a bell mouth having a smaller cross-sectional area toward the air supply fan.

As described above, in the air supply device with easy filter replacement according to the present invention, when replacing an already used and polluted filter, an operator can safely land on the ground without having to move to the air supply device through a ladder while carrying a new filter to be replaced. By performing filter replacement work, safety accidents such as falling can be fundamentally prevented.

In addition to the above-described effects, the specific effects of the present invention will be described together while describing specific details for carrying out the invention below.

1 is a photograph of an air supply device installed in a large indoor space.
2 is a perspective view of a conventional filter replacement device.
3 is a perspective view showing the main configuration of an air supply device that is easy to replace a filter according to an embodiment of the present invention.
4 is a side view illustrating an air supply operation state of an air supply device that facilitates filter replacement according to an embodiment of the present invention.
5 is a side view illustrating an operation state for a filter replacement operation of an air supply device that is easy to replace a filter according to an embodiment of the present invention.
6 is a side view illustrating an operation state for a filter replacement operation of an air supply device that is easy to replace a filter according to an embodiment of the present invention.
7A and 7B are front views showing the display and the control unit of the air supply device for easy filter replacement according to an embodiment of the present invention, respectively.
8 is a side view illustrating an installation state of the air supply device for easy filter replacement according to an embodiment of the present invention.
9 is a side view showing the installation state of the air supply device for easy filter replacement according to an embodiment of the present invention.

The above-described objects, features and advantages will be described below in detail with reference to the accompanying drawings, and accordingly, those of ordinary skill in the art to which the present invention pertains will be able to easily implement the technical idea of the present invention.

In describing the present invention, if it is determined that a detailed description of a known technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description will be omitted.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numerals are used to indicate the same or similar components.

In the following, that an arbitrary component is disposed on the "upper (or lower)" of a component or "upper (or below)" of a component means that any component is disposed in contact with the upper surface (or lower surface) of the component. Furthermore, it may mean that other components may be interposed between the component and any component disposed on (or under) the component.

In addition, when it is described that a component is “connected”, “coupled” or “connected” to another component, the components may be directly connected or connected to each other, but other components are “interposed” between each component. It should be understood that “or, each component may be “connected,” “coupled,” or “connected” through another component.

As used herein, the singular expression includes the plural expression unless the context clearly dictates otherwise.

In the present application, terms such as “consisting of” or “comprising” should not be construed as necessarily including all of the various components or various steps described in the specification, some of which components or some steps are It should be construed that it may not include, or may further include additional components or steps.

Throughout the specification, when “A and/or B” is used, it means A, B or A and B, unless otherwise stated, and when “C to D” is used, it means that there is no specific opposite description. Unless otherwise specified, it means that it is greater than or equal to C and less than or equal to D.

Hereinafter, an air supply device for easy filter replacement according to some embodiments of the present invention will be described.

3 is a perspective view showing the main configuration of the air supply device for easy filter replacement according to an embodiment of the present invention.

Also, FIG. 4 is a side view illustrating an air supply operation state of an air supply device that facilitates filter replacement according to an embodiment of the present invention.

Also, FIGS. 5 and 6 are side views illustrating an air supply operation state and an operation state for filter replacement operation of the air supply device for easy filter replacement according to an embodiment of the present invention, respectively.

3 to 6 , the air supply device for easy filter replacement according to the present invention includes a casing 100 , an air supply fan 200 , a filter assembly 300 , and a filter lifting unit 400 .

More specifically, the casing 100 includes a first louver 110 formed on the front surface and a second louver 120 formed on the rear surface.

In this case, the first louver 110 faces the indoor space, and the second louver 120 faces the outdoor space.

In addition, the casing 100 may further include a third louver 130 installed between the second louver 120 and the filter lifting unit 400 to face the indoor space as shown in FIG. 6 . can

In addition, the casing 100 includes an air purifying means 140 such as an anion generator between the air supply fan 200 and the filter lifting unit 400 and/or an LED for sterilizing the filter assembly 300 . It may further include a filter sterilization means 150 such as a UV sterilizer used.

At this time, the first louver 110, the second louver 120, and the third louver 130 are arranged horizontally with a predetermined interval at an angle to a narrow plate, so that the angle of the plate can be controlled wirelessly. It is preferable that there is an electric louver.

In addition, the first louver 110, the second louver 120, and the third louver 130 may be opened or closed by adjusting the angle of a plurality of plates as described above.

In addition, the casing 100 may further include an outside air duct 160 as shown in FIG. 6 on the side of the second louver 120 .

On the other hand, the air supply fan 200 is installed inside the casing 100, including the fan driving motor 210 and the bell mouth 220, more preferably formed on the first louver 120 side.

In addition, the fan driving motor 210 may be installed in the central portion of the air supply fan 200 and controlled wirelessly to operate the air supply fan 200 .

In addition, the bell mouse 220 is a bell-shaped pipe whose cross-sectional area becomes smaller as it goes from the second louver 120 side toward the first louver 120 side. can be further increased.

Meanwhile, the filter assembly 300 includes a pre-filter 310 formed on the side of the second louver 120 and a HEPA filter 320 formed on the side of the first louver 110 to provide the air supply fan 200 . ) and the second louver 120 is embedded in the casing 100 to be formed.

More specifically, the filter assembly 300 may be installed so that the outer peripheral surface side is detachable from the elevating frame 440 to be described later.

The pre-filter 310 is a primary filter that removes relatively large particles of dust introduced from outside air or ventilation by a physical filtration method.

In addition, the HEPA filter 320 is a secondary filter that filters out ultra-fine dust not filtered by the pre-filter 310 .

On the other hand, the filter lifting unit 400 includes a strip drum 420 in which an elevator driving motor 410 and a strip 430 formed on the upper side of the casing 100 are wound and rotated by the elevator driving motor 410 . and an elevating frame 440 from which the filter assembly 300 is detached and coupled to one end of the strip 430 to elevate.

In this case, the driving motor 410 and the strip drum 420 may be installed in the casing 100 .

More specifically, when the strip drum 420 is rotated by the elevator driving motor 410 , the filter lifting unit 400 extends the strip 430 wound on the strip drum 420 to enable the lifting and lowering of the filter. When the frame 400 descends and the strip drum 420 rotates in the reverse direction, the elevating frame 440 rises while the extended strip 430 is wound around the strip drum 420 .

In addition, when the external air is supplied to the indoor side by the rotation of the air supply fan 200 , as shown in FIG. 4 , the lifting frame 440 on which the filter assembly 300 is mounted is located inside the casing 100 . is located in

On the other hand, when the filter assembly 300 is contaminated and a replacement operation is required, as shown in FIGS. 5 and 6 , the lifting frame 440 is discharged to the lower side of the casing 100 and transported to the ground.

Accordingly, the operator removes the contaminated filter assembly 300, which has been transferred to the ground by the filter lifting unit 400 from the lifting frame 440, from the lifting frame 440 without the need to move toward the air supply device using a ladder, and then removes the new filter assembly. 300 may be mounted on the elevating frame 440 .

More preferably, the filter elevator 400 may apply the structure of a multi-function elevator disclosed in Korean Patent Application Laid-Open No. 10-2015-0142339 (published on December 22, 2015) previously filed by the inventor of the present invention. .

Meanwhile, FIGS. 7A and 7B are front views showing the display and the control unit of the air supply device for easy filter replacement according to an embodiment of the present invention, respectively.

Referring to FIG. 7 , the air supply device for easy replacement of a filter according to the present invention includes a control unit 500 that can wirelessly control the air supply fan 200 and the filter elevator 400 and detects the pollution level of the indoor space. It may further include various sensors (not shown) and a display 600 for posting information sensed from the sensors.

More preferably, the control unit 500 includes a touch pad 510 and a detachable remote controller 520 and is installed on the ground side that can be easily accessed by a user.

In addition, the display 600 is installed on the ground side that can be easily accessed by the user to display the amount of fine dust, ultra-fine dust, carbon dioxide concentration, organic compound concentration, temperature, humidity, etc. of the indoor space measured from the sensors. do.

In addition, in the air supply device that is easy to replace a filter according to the present invention, when the environment of the indoor space measured by the sensors is out of a preset range, the replacement notification information of the filter assembly 300 is provided through the user's mobile device, etc. can also be transmitted.

Meanwhile, FIGS. 8 and 9 are side views illustrating an installation state of an air supply device that is easy to replace a filter according to an embodiment of the present invention, respectively.

The installation structure and operation method of the air supply device for easy filter replacement according to the present invention will be described with reference to FIGS. 8 and 9 .

As shown in FIG. 8, the air supply device for easy filter replacement according to the present invention is mounted and fixed to an installation anchor (A) fixed by a wire extending from the ceiling to the ground, or the outer wall as shown in FIG. It can be mounted and fixed to the installation frame (F) fixed to (W).

At this time, the second louver 120 is coupled to be in close contact with the opening formed in the outer wall (W), the outer grill (G) may be installed on the outer side of the opening of the outer wall (W).

External air is introduced into the casing 100 by sequentially passing through the external grill (G) and the second louver (120) by the air supply fan (200).

Thereafter, the outside air passes through the pre-filter 310 to filter out dust with relatively large particles, and passes through the HEPA filter 320 to filter out dust with relatively small particles, and in the negative ion generator 140 . The generated negative ions are included and supplied to the indoor space through the first louver 110 .

On the other hand, when the filter assembly 300 is contaminated by the air supply operation being performed for a long time as described above, when the strip drum 420 is rotated by the elevator driving motor 410, the As the strip 430 extends, the lifting frame 400 descends toward the ground.

Thereafter, the operator removes the contaminated filter assembly 300 , which has been transferred to the ground by the filter lifting unit 400 , from the lifting frame 440 , and mounting the new filter assembly 300 to the lifting frame 440 . do.

Thereafter, when the strip drum 420 is rotated in the reverse direction by the elevator driving motor 410 , the strip 430 is wound around the strip drum 420 so that the new filter assembly 300 is formed in the casing 100 . inserted inside.

Accordingly, when the air supply device for easy replacement of a filter according to the present invention is installed in a relatively high place in a large indoor space such as an indoor gymnasium, an operator can replace the contaminated filter through a ladder while holding a new filter to be replaced. Since it is possible to safely replace the filter on the ground without the need to move to the air supply side, safety accidents such as falls can be fundamentally prevented and maintenance costs are not incurred.

On the other hand, in the air supply device for easy filter replacement according to the present invention, when the second louver 120 is closed and the third louver 130 is opened, the inflow of outdoor air into the room is blocked, and the indoor air flows into the air supply fan ( 200), it is introduced into the third louver 130 side, is sterilized and purified as it passes through the filter assembly 300, and is supplied to the first louver 110 side.

At this time, since the air purification efficiency by the air purification means 140 between the air supply fan 200 and the filter assembly 300 decreases due to the relatively high flow rate, various bacteria or contamination by the filter sterilization means 150 are reduced. It is more preferable to sterilize the filter assembly 300 in which substances, mold, and the like are collected.

As described above, the present invention has been described with reference to the illustrated drawings, but the present invention is not limited by the embodiments and drawings disclosed in the present specification. It is obvious that variations can be made.

In addition, although the effects according to the configuration of the present invention have not been explicitly described and described while describing the embodiments of the present invention, it is natural that the effects predictable by the configuration should also be recognized.

A. Installation angle
G. External Grill
F. Installation frame
W. Outer wall
100. Casing
110. First Louver
120. Second Louver
130. Third Louver
140. Air purification means
150. Filter sterilization means
160. Outside air duct
200. Air supply fan
210. Fan drive motor
220. Bell Mouse
300. Filter assembly
310. Pre-Filter
320. HEPA filter
400. Filter lifting unit
410. Elevator drive motor
420. Strip Drum
430. Strip
440. Elevating frame
500. Control unit
510. Touchpad
520. Remote Control
600. Display

Claims (5)

The second louver 120 and the filter elevating unit ( 400) the casing 100 is installed between;
A bell mouth 220 that is integrated with the fan driving motor 210 of the casing 100 and is built into the first louver 110 inner space to increase the flow rate of external air and has a smaller cross-sectional area is formed, an air supply fan 200 for supplying the outside air to the indoor space by the fan driving motor 210;
a filter assembly 300 built in the casing 100 to remove foreign substances contained in external air; and
The lifting frame 440 from which the filter assembly 300 is detached and one end are coupled to the lifting frame 440 so as to raise and lower the filter assembly 300 from the inside of the casing 100 to the ground side, and the other end is a strip. Filter replacement unit 400 comprising a strip 430 wound on the drum 420 and an elevator driving motor 410 for rotating the strip drum 420 in a forward or reverse direction; Device.
delete delete The method of claim 1,
The air supply device for easy filter replacement further comprising an air purifying means 140 and a filter sterilizing means 150 between the air supply fan 200 and the filter lifting unit 400 . delete

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