JP3231203U - Air purifier and droplet diffusion prevention enclosure ventilation purifier - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air purifying device capable of efficiently ventilating clean air in a required small space with a simple configuration easy to maintain, and a droplet diffusion prevention enclosure ventilation purifying device. An air purifier in which an air purifying filter is attached to an axial fan type blower, and a circular intake port 12 provided on an inclined surface facing upward and forward, and the intake port 12 An axial fan box 10 having a built-in rotary blade 20 that rotates about an axial center passing through the center of the axial flow fan box 10 and an exhaust port provided on at least one of the back surface 15 and the bottom surface 16 of the axial flow fan box 10. A 13 and a sheet-shaped filter 31 arranged so as to be stretched on the exhaust port 13 are provided. [Selection diagram] Fig. 1

Description

The present invention relates to an air purifier in which an air purifying filter is attached to an axial fan type blower and a droplet diffusion prevention enclosure ventilation purifier.

As a conventional ventilation system, for example, an air supply port and an exhaust port provided in a living room in a building and an outside air introduction port provided on an outer wall of the building and capable of introducing outside air into the building are provided. It is provided with a ventilation means for sending the outside air introduced into the building from the air to the air supply port, an operation information storage means, and a control means, and the operation information storage means stores the operation information consisting of four operation modes and the control means. Has proposed a building ventilation system that controls the operation of the ventilation means based on the operation mode selected from the operation information stored in the operation information storage means (see Patent Document 1). According to this building ventilation system, it is possible to efficiently reduce the heat buildup in the living room at night with less energy and realize a comfortable indoor environment.

Further, as a conventional air purifying device, for example, an intermediate wall plate formed of punching metal between a support plate and a roof material coaxially forms a space surrounded by an outer wall plate between the support plate and the roof material. The inner wall plate is arranged so as to partition in a shape, and the inner wall plate formed of punching metal on the inner peripheral side of the intermediate wall plate coaxially partitions the space surrounded by the intermediate wall plate between the support plate and the roofing material. Hepa filters are arranged in a cylindrical shape between the intermediate wall plate and the inner wall plate, a motor is attached to the lower surface side of the central support portion of the support plate, and a disk-shaped fan is mounted on the rotating shaft of the motor. The one to which the center of is attached (see Patent Document 1) has been proposed.

Japanese Unexamined Patent Publication No. 2015-200437 (page 1) Japanese Unexamined Patent Publication No. 11-351623 (page 1)

The problem to be solved with air purifiers and splash-prevention enclosure ventilation purifiers is that conventional devices are designed to ventilate or purify the air in the entire room space, but with specific air purifier filters. It is necessary, and it is difficult to easily perform maintenance and management, and it is difficult to efficiently ventilate the clean air in the required small space in the local area.

Therefore, an object of the present invention is to provide an air purifier and a splash diffusion prevention enclosure ventilation purifier capable of efficiently ventilating the cleaned air in a required small space in a simple form that is easy to maintain. It is in.

The present invention includes the following configurations in order to achieve the above object.
According to one form of the air purifier according to the present invention, it is an air purifier in which an air purifying filter is attached to an axial fan type blower, and is circular provided on inclined surfaces facing upward and forward. An axial flow fan box having a built-in intake port and a rotary blade that rotates about an axial center passing through the center of the intake port, and provided on at least one surface of the back surface and the bottom surface of the axial flow fan box. It is provided with an exhaust port and a sheet-shaped non-woven fabric filter arranged so as to be stretched over the exhaust port.

According to one form of the air purifier according to the present invention, the exhaust port can be provided on both the back surface and the bottom surface of the axial fan box.

According to one form of the air purifier according to the present invention, the exhaust port can be provided on at least one of the left and right side surfaces of the axial fan box.

According to one form of the air purifying device according to the present invention, the sheet-shaped nonwoven fabric is arranged at the exhaust port as a configuration for arranging the sheet-shaped nonwoven fabric filter so as to be stretched at the exhaust port. The sheet-shaped non-woven fabric filter is provided with an exhaust port plate provided as a portion to receive a filter and provided with a plurality of ventilation holes, and a plurality of ventilation holes so as to overlap the plurality of ventilation holes of the exhaust port plate. It can be characterized by including a cover plate that is sandwiched and covered with the mouth plate.

According to one form of the droplet diffusion prevention enclosure ventilation cleaning device according to the present invention, the air cleaning device is arranged at least inside the droplet diffusion prevention enclosure surrounded by the front plate and both side plates. be able to.

According to the air purifier and the droplet diffusion prevention enclosure ventilation purifier according to the present invention, a special advantageous effect of efficiently ventilating the cleaned air in the required small space with a simple configuration that is easy to maintain can be obtained. Play.

It is sectional drawing which shows the form example of the air purifier which concerns on this invention. It is a perspective view which shows the form example of FIG. It is a perspective view which shows the other form example of the air purifier which concerns on this invention. It is an exploded view which shows the form example of the air purification filter unit which concerns on this invention. It is a perspective view which shows the form example of the droplet diffusion prevention enclosure ventilation cleaning apparatus which concerns on this invention.

Hereinafter, morphological examples of the air purifier and the droplet diffusion prevention enclosure ventilation purifier according to the present invention will be described in detail with reference to the accompanying drawings (FIGS. 1 to 5).
As a basic structure, the air purifier according to the present invention has an axial fan type blower equipped with an air purifying filter, and circulates and purifies the air in the room.

The air purifier according to the present invention includes a circular intake port 12 provided on an inclined surface 11 facing upward and forward. The intake port 12 is, for example, a ventilation port for sucking air contaminated with droplets, which is a problem in the new coronavirus infection, and fine particles, which is a problem in pollinosis. Reference numeral 19 denotes a suction port cover, which is provided with vents in a grid pattern in which a plurality of slits are formed, and is a safety cover for preventing the user from coming into contact with the rotary blade 20 described later.

Reference numeral 10 denotes an axial flow fan box, which is a casing having a built-in rotary vane 20 that rotates about an axial center passing through the center of the intake port 12. The rotary blade 20 is a propeller type blower blade, and one that can reduce noise (wind noise) used in a ventilation fan or a fan can be diverted. Reference numeral 21 denotes a motor, which is a power device for rotating the rotary blade 20, and is arranged in the axial fan box 10 by a support member (not shown).

Reference numeral 13 denotes an exhaust port, which is provided on at least one of the back surface 15 and the bottom surface 16 of the axial fan box 10. In this embodiment, as shown in FIGS. 1 and 2, exhaust ports 13 are provided on both the back surface 15 and the bottom surface 16 of the axial fan box 10.

Reference numeral 31 denotes a sheet-shaped non-woven fabric filter, which is arranged so as to be stretched on the exhaust port 13. As the sheet-shaped non-woven fabric filter 31 of this embodiment, a commercially available mask is widely used, and for example, an electrostatic filter capable of capturing fine particles with high efficiency is used.

According to this, since the non-woven fabric filter 31 in the form of a sheet can be used with a simple structure, maintenance can be easily performed. For example, by attaching a commercially available mask to the exhaust port 13, it can be used as a substitute for a sheet-shaped non-woven fabric filter 31 of a specific form, and the above-mentioned droplets and fine particles are removed to effectively purify the air. it can.

Further, as in the example of the present embodiment, the exhaust ports 13 are provided on both the back surface 15 and the bottom surface 16 of the axial flow fan box 10, and the sheet-shaped non-woven fabric filter 31 is arranged in each surface to prevent ventilation. And the flow velocity of air passing through the sheet-shaped non-woven fabric filter 31 can be reduced. Therefore, the amount of air for cleaning treatment can be increased, and the efficiency of cleaning air can be improved. Especially, in a required small space, the cleaned air can be efficiently ventilated, which is a special advantageous effect.

Further, as in the embodiment shown in FIG. 3, the exhaust port 13 is provided on the left and right side surfaces (left side surface 17, right side surface) of the axial flow fan box 10 in addition to the back surface 15 and bottom surface 16 of the axial flow fan box 10 described above. It can also be provided on at least one surface of 18). According to this, since the filtration area of the sheet-shaped non-woven fabric filter 31 can be further increased, the flow velocity of air passing through the sheet-shaped non-woven fabric filter 31 can be further reduced, and the air flow rate passes through the sheet-shaped non-woven fabric filter 31. The air ventilation resistance can be further reduced. Therefore, the cleaning treatment air volume can be further increased, the air cleaning efficiency can be further increased, and the purified air can be more efficiently ventilated particularly in a required small space.

Further, in this embodiment, as shown in FIG. 4, the sheet-shaped non-woven fabric filter 31 is arranged in the exhaust port 13 so as to be stretched over the exhaust port 13. A sheet-shaped non-woven fabric filter 31 provided with an exhaust port plate 32 that serves as a portion to receive the 31 and is provided with a plurality of ventilation holes, and a plurality of ventilation holes 33a so as to overlap the plurality of ventilation holes 32a of the exhaust port plate 32. A cover plate 33 is provided so as to sandwich and cover the surface with the exhaust port plate 32.

According to this, the sheet-shaped non-woven fabric filter 31 can be appropriately arranged so as to be stretched on the exhaust port 13. According to this configuration, the structure is simple and maintenance is easy. That is, according to this embodiment, the exhaust port plate 32 is fixed to the exhaust port 13, and a sheet-shaped non-woven fabric filter 31 is placed on the surface of the exhaust port plate 32 and arranged in a stretched state. The cover plate 33 can be superposed on the non-woven fabric filter 31 in the shape of a shape, and the sheet-shaped non-woven fabric filter 31 can be held by the cover plate 33.

The form of the filter unit (air cleaning filter unit 30) formed by sandwiching the sheet-shaped non-woven fabric filter 31 between the exhaust port plate 32 and the cover plate 33 is integrally formed. , It may be provided so that it can be slid and attached to the surface of the exhaust port 13. That is, as shown in FIG. 4, since each of them can be disassembled separately, only the sheet-shaped non-woven fabric filter 31 may be replaced, but as the air cleaning filter unit 30. By integrally forming the exhaust port 13, the exhaust port 13 may be slid onto the surface of the exhaust port 13 so that it can be attached and detached.

Further, the ventilation holes 32a and 33a of this embodiment are provided in circular openings. According to this, the rigidity and strength of the exhaust port plate 32 can be appropriately obtained and a large area can be obtained so that the sheet-shaped non-woven fabric filter 31 is arranged in a state of being appropriately stretched on the exhaust port plate 32. An opening can be obtained. The ventilation holes 32a and 33a are not limited to this form, and may have other shapes such as a lattice shape as long as they have a strength higher than required and an aperture ratio higher than required. Of course.

According to the air purifier described above, by arranging it on the inside 55 of a partition formed of an acrylic plate or the like so as to prevent the spread of droplets, which is a problem in the new coronavirus infection, the inside 55 The air in the space can be efficiently purified. That is, for example, the air purifier (axial flow fan box 10) is placed inside at least the droplet diffusion prevention enclosure 50 surrounded by the front plate 51 and the side plates 52, 52 so as to surround the podium 60 (see FIG. 5). By arranging them, it is possible to prevent the diffusion of droplets and efficiently purify the air. Further, the present invention can be suitably applied to a facility such as a restaurant where infection prevention measures are taken, such as a site provided with a booth-shaped partitioned space.

Further, as in the form example shown in FIG. 5, since the top plate 53 is provided on the droplet diffusion prevention enclosure 50, the space to be cleaned can be further limited, so that the air can be circulated efficiently. It can be cleaned. In the embodiment shown in FIG. 5, when an axial fan equipped with a propeller-shaped rotating blade having a diameter of about 20 cm is used as an example, ^{ventilation of about 1 m 3} / min can be performed to prevent droplet diffusion. It has been demonstrated that the small space inside the enclosure 50 can be cleaned more efficiently.

Further, according to the air purifier of the present embodiment, air is sucked from the inclined surfaces 11 facing the upper surface and the front surface, and the purified air is discharged from the back surface 15 and the bottom surface 16 and the left side surface 17 and the right side surface 18. Since air flows, proper ventilation is provided and clean air can be circulated efficiently. Therefore, it is suitable for a relatively small space formed by the droplet diffusion prevention enclosure 50 shown in FIG. 5, and it is possible to prevent the diffusion of droplets and efficiently clean the space inside the droplet diffusion prevention enclosure 50.

Although various examples of the present invention have been described above, the present invention is not limited to this example of the present invention, and it goes without saying that many modifications can be made without departing from the spirit of the present invention. That is.

10 Axial flow fan box 11 Inclined surface 12 Intake port 13 Exhaust port 15 Back 16 Bottom surface 17 Left side 18 Right side 19 Suction port cover 20 Rotating blade 21 Motor 30 Air cleaning filter unit 31 Sheet-shaped non-woven fabric filter 32 Exhaust port plate 32a Vent 33 Cover plate 33a Vent 50 Splash diffusion prevention enclosure 51 Front plate 52 Side plate 53 Top plate 55 Inside 60 Podium

Claims (5)

An air purifier with an air purifying filter attached to an axial fan type blower.
Circular air intakes on the slopes facing upwards and forwards,
An axial fan box with a built-in rotary blade that rotates around the axis passing through the center of the intake port, and
Exhaust ports provided on at least one of the back surface and the bottom surface of the axial fan box, and
An air purifying device including a sheet-shaped non-woven fabric filter arranged so as to be stretched on the exhaust port. The air purifying device according to claim 1, wherein the exhaust port is provided on both the back surface and the bottom surface of the axial flow fan box. The air purifying device according to claim 1 or 2, wherein the exhaust port is provided on at least one of the left and right side surfaces of the axial fan box. As a configuration for arranging the sheet-shaped non-woven fabric filter so as to be stretched on the exhaust port,
An exhaust port plate arranged at the exhaust port to receive the sheet-shaped non-woven fabric filter and provided with a plurality of ventilation holes.
A plurality of ventilation holes are provided so as to overlap the plurality of ventilation holes of the exhaust port plate, and a cover plate for sandwiching and covering the sheet-shaped non-woven fabric filter with the exhaust port plate is provided. The air purifying device according to any one of claims 1 to 3. The air purifying device according to any one of claims 1 to 4, wherein the air purifying device according to any one of claims 1 to 4 is arranged inside the droplet diffusion preventing enclosure surrounded by at least the front plate and both side surface plates.

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