JP2022028621A - Ductless blow-up type air curtain device - Google Patents

Abstract

To solve the problem in which: to prevent virus and germ due to splash, a method for partitioning between persons by a transparent resin plate or a resin sheet is currently a mainstream, but was unsuitable for places such as a restaurant and a theater where the atmosphere of the place was important, and for this reason, an air curtain which can partition between persons by air seems to be suitable, but a large air curtain device for air circulation via a dust was necessary to control blown-out air not to be scattered because it is fixedly installed in a gateway of a building in a gate shape and blows air from up to down.SOLUTION: A small ductless blow-up type air curtain device partitions persons by a wall of air ejected from the device by blowing up the wall of air from down to up and eliminating hoods and ducts. A usable range of the air curtain device in places with poor ventilation has been successfully expanded by guiding air ejected from the air curtain to a ventilation fan and an air cleaner in a ductless manner.SELECTED DRAWING: Figure 3

Description

A ductless blow-up air curtain device that separates people from each other by the air wall of the air curtain to prevent airborne infections.

Currently, the mainstream measures to prevent airborne infection of the new coronavirus are resin plates and partitioning of resin sheets.

There is an air curtain of Patent Document 1, Japanese Patent Application Laid-Open No. 5-106898, which is installed in a gate shape at the entrance and exit of a building and blows air upward or downward from a blower of an air curtain device to form an air wall.

There is also an air curtain of Patent Document 2, Japanese Patent Application Laid-Open No. 2007-10184, which is installed in a gate shape at the entrance / exit of a building and blows air in parallel from the floor surface from a blower of an air curtain device to form an air wall.

It is installed in a gate shape at the entrance and exit of the building, and air is blown out parallel to the floor from the blower of the air curtain device to make an air curtain, which is sucked in on the opposite side and blown out again through the duct. There is an air curtain device of Patent Document 3 and JP-A-2017-67440 for making a curtain.

Furthermore, it is installed at the entrance and exit of the building, and air is blown out parallel to the floor from the blower of the air curtain device, sucked in on the opposite side, passed through the duct, and the air curtain is again from the blower of the air curtain device. There is an air curtain device of Patent Document 4, Japanese Patent Application Laid-Open No. 2000-242932, which creates a wall of air by ejecting the air of the above.

There is also Patent Document 5, Japanese Patent Application Laid-Open No. 11-24823, which discharges the blown air to a ventilation fan in a ductless manner.

There are an air curtain of Patent Document 1, Japanese Patent Application Laid-Open No. 5-106898, an air curtain of Patent Document 2, an air curtain device of Patent Document 3, and an air curtain device of Patent Document 4. Alternatively, since air is blown out from the side by a blower of an air curtain device to create an air curtain on the air wall and installed for the purpose of air conditioning in the building, the device is installed and fixed at the entrance / exit of the building.

In addition, there are Patent Document 5, flat 11-248233 indoor air conditioning system, indoor air conditioning method using the system, and air conditioning unit that transport the blown air ductlessly, but this is to separate people from each other with an air curtain. Instead, there is something that circulates evenly in the room.

In some cases, the gas or smoke generated in the square tank of Japanese Patent Application Laid-Open No. 2004-309101 of Patent Document 6 is surrounded by air, sucked by a hood, and exhausted through a duct.

An air curtain is a wall of air ejected from an air curtain device in the shape of a curtain.

Japanese Unexamined Patent Publication No. 5-106898 Japanese Unexamined Patent Publication No. 2007-10184 JP-A-2017-67440 Japanese Unexamined Patent Publication No. 2000-242932 Japanese Unexamined Patent Publication No. 11-248237 Japanese Unexamined Patent Publication No. 2004-309101

Currently, there are partitions such as resin plates and resin sheets as a means to prevent viruses and bacteria caused by human droplets from being transmitted from person to person, but there was a problem in places such as restaurants and theaters where aesthetics and atmosphere are important. ..

The air curtain described in Patent Document 1 and JP-A-5-106898 is designed for the purpose of preventing cold air and warm air in the room from flowing out of the room. There was a problem that it was not possible to prevent viruses and bacteria caused by droplets.

The same applies to Patent Document 2, Japanese Patent Application Laid-Open No. 2007-10184, Patent Document 3, Japanese Patent Application Laid-Open No. 2017-67440 Air Curtain Device, and Patent Document 4, Japanese Patent Application Laid-Open No. 2000-242932. Since the air is circulated, there is a problem that it is not possible to easily move and install or carry it to separate people.

In addition, the air ejected from the air curtain device must be transported to the outside or to the air purifier so that it will not be touched by other people, but the air curtain device becomes large and cannot be easily moved and installed because it goes through a duct. rice field. Therefore, Patent Document 5, JP-A-11-248237, which does not use a duct, includes an indoor air-conditioning system, an indoor air-conditioning method using the system, and a ductless air-conveying system of an air-conditioning unit method, but for the purpose of indoor air circulation. There was a problem that people could not be separated from each other by an air curtain on the air wall.

In restaurants, theaters, etc., the air curtain device that separates people from person to person without spoiling the aesthetics and atmosphere of the place must be small and easy to move and install so as not to destroy the aesthetics and atmosphere. There was a problem that did not become.

In order to solve the above problems, in order to realize an air curtain device that can separate people from each other without losing the atmosphere of restaurants, theaters, etc., the air curtain is made with the ductless blow-up type air curtain device 2 of FIG. I tried to blow out from the bottom to the top like 3.

As a result of blowing the air curtain from the bottom to the top with the ductless blow-up type air curtain device 2 as shown in 3 of FIG. 3, the duct of the air curtain device can be eliminated and the movement and installation can be easily performed. ..

The blower fan of the blower device of the ductless blow-up type air curtain device 2 is not limited, but a sirocco fan or a cross flow fan is preferable because it must be small, lightweight, and quiet.

If the distance between the ductless blow-up type air curtain device 2 and the ventilation fan 5 in FIG. 3 is long and the ventilation is insufficient, the blower 3 may appropriately guide the ventilation fan 5.

The air curtain ejected from the plurality of ductless blow-up type air curtain devices 2 of FIG. 7 may be guided to the ventilation fan as in the blower 3 of FIG. Further, it may be guided to an air purifier instead of a ventilation fan.

Further, the air curtain ejected from the plurality of ductless blow-up type air curtain devices 2 as shown in FIG. 8 may be guided to the ventilation fan 5 by a plurality of blowers such as the blower 3 and the second blower 4.

Portable ductless blow-up air curtain device of FIG. 9 A portable ductless blow-up air curtain device that is mounted on the front surface of a person to separate people from each other as shown in FIG. 9 may be used.

A propeller fan is preferable as the blower fan of the portable ductless blow-up air curtain device as shown in FIG. 9, but the air of the air curtain is blown by a portable air pump separately from the air curtain device. It may be sent to a curtain device to eject an air curtain.

As a large ductless blow-up type air curtain device that separates the stage from the audience, etc., the ductless blow-up type air curtain device 10 using the propeller fan may be used.

The ductless blow-up type air curtain device is not limited to the fan of the blower shown in FIG. 4, but a 2-1 sirocco fan with a quiet motor sound, a cross flow fan such as 2-2, or a propeller fan is preferable.

An air curtain is a wall of air ejected from a ductless blow-up type air curtain, and the purpose is to partition the air curtain between people by blowing up the air curtain between people. Therefore, the width 11 of the air curtain is longer than the length that can cover the entire face of a person, and the air curtain having a thickness of 12 in FIG. 12 that is between people and does not directly hit the person is preferable.

The method of partitioning with resin plates or sheets was not suitable for places where the atmosphere of the place is important, such as restaurants and theaters, but the ductless blow-up type air curtain device is aesthetically pleasing because it is small and can be installed and carried. And no longer lose the atmosphere.

In the method of partitioning with a resin plate or a resin sheet, ventilation in the vicinity of the partition tends to be hindered by the partition plate or the partition sheet, but the present invention separates people from each other and at the same time an air curtain. Since it blows up the air, it can help ventilation with an effect like a circulator.

The conventional air curtain device is installed in a gate shape at the entrance and exit of the room, and the air curtain is ejected from the top to the bottom of the entrance to create an air wall, so the equipment is large and cannot be easily moved. There was a challenge. In the present invention, the duct for circulating air can be eliminated by blowing the air curtain from the bottom to the top, the size can be reduced, and the air curtain device can be appropriately moved and carried.

As a result of making the device that blows out the air curtain a blow-up type from the bottom to the top and guiding the blown air to the ventilation fan or the air purifier in a ductless manner, the cost for duct equipment and installation could be eliminated. ..

By blowing the air from the air curtain of the ductless blow-up type air curtain device of the present invention from the bottom to the top, it has become possible to reduce the weight and size so that it can be operated by a dry battery or a storage battery. As a result, it has become possible to carry it near the person who wants to partition it. As a result, it is no longer necessary to cover the face with a mask or face mask even when a salesperson explains the product to the customer at a store or the like.

In the case of a ductless blow-up type air curtain device that is placed and used in a place where many people gather as shown in FIG. 8, the air of the air curtain blown higher than the human face is blown up by the blower 3 or the second blower 4 to ventilate the fan 5. I was able to solve it with a system that guides me to.

Installation drawing of a ductless blow-up type air curtain device placed between people Installation drawing of a ductless blow-up type air curtain device combined with a blower Installation drawing of ductless blow-up type air curtain device, blower and ventilation fan Diagram of blower fan used in ductless blow-up air curtain device Location map of ductless air curtain device and ventilation fan Location map of ductless air curtain device, blower and ventilation fan Location map of multiple ductless blow-up air curtain devices and blowers Location map of multiple ductless blow-up air curtain devices and multiple blowers Portable ductless blow-up type air curtain device diagram Diagram of ductless blow-up type air curtain device using propeller fan Perspective view of ductless blow-up type air curtain device Cross-sectional view of ductless blow-up type air curtain device

Hereinafter, embodiments of the present invention will be described in detail.

FIG. 3-2 is a ductless blow-up type air curtain device according to the present invention. Since the conventional air curtain had a big goal of blocking the indoor and outdoor air, it was installed at the entrance and exit of the building, and many of them ejected air from above or from the side of the entrance. However, the present invention aims to prevent viruses and bacteria from droplets ejected from the mouth and nose of a person from floating in the air and infecting the person as much as possible. Therefore, the air curtain device 2 By blowing the air wall of the air curtain that erupts from, at least above the person's neck, an air wall of the air curtain is created between people, and ductless to prevent viruses and bacteria that are transmitted from person to person by droplets. It is a blow-up type air curtain device. The blower fan of the ductless blow-up type air curtain device 2 is not limited, but a sirocco fan, a cross flow fan, or a propeller fan is preferable because it must be small, lightweight, and quiet.

When the ventilation condition in the building is not good, the air of the air curtain ejected from the ductless blow-up type air curtain 2 of FIG. 3 is sucked up again by the blower 3 in a direction that is easy to ventilate and guided to the ventilation fan 5. The blower may be hung from the ceiling or the like. In that case, the fan of the blower of the ductless blow-up type air curtain device 2 in FIG. 3 is not limited, but a sirocco fan or a cross flow fan is preferable because it must be small, lightweight, and quiet.

FIG. 5 is a diagram in which a ductless blow-up type air curtain device 2 is installed while each other is sitting through a table such as a restaurant, a conference room, or a drawing room. It is a figure in which a person and a person are separated by an air wall of an air curtain and discharged to a ventilation fan 5 so as not to be infected by each other's droplets when sitting through a table and having a dinner or a meeting.

FIG. 6 is a diagram in which the ventilation fan 5 guides the ventilation fan 5 to the ventilation fan 5 when the air of the air curtain discharged from the ductless blow-up type air curtain device 2 cannot be exhausted in good condition.

FIG. 7 is a diagram in which the air of the air curtain ejected from the plurality of ductless blow-up type air curtain devices 2 of FIG. 7 is guided to the ventilation fan 5 by the blower 3 in a restaurant, a conference room, or the like.

FIG. 8 is a diagram of a relatively large restaurant, conference room, etc., and when there is a distance from the ductless blow-up type air curtain device 2 of FIG. 8 to the ventilation fan 5 or when the ventilation is poor, the ductless blow-up type air curtain device 2 It is a figure which receives the air curtain blown up by a blower 3 and further guides it to a ventilation fan 5 through a second blower 4.

FIG. 9 is a diagram of a portable ductless blow-up type air curtain device.
FIG. 9 is a diagram when the ductless blow-up type air curtain device 2 in FIG. 9 is made portable so that a person can directly carry it to separate people from each other. By carrying the ductless blow-up type air curtain device directly to the body, the infection of the droplet 8 from the person's mouth or nose is prevented. In this case, the air curtain of the ductless blow-up type air curtain device may be sent by an air pump from a place other than the ductless blow-up type air curtain device 2 and ejected as an air curtain.

As described above, by appropriately installing the ductless blow-up air curtain of the present invention between people, between the stage and the audience, or between people at a dinner at a restaurant or restaurant. It is possible to reduce the transmission of a person infected with a virus or a bacterium to another person through the air.

By making the ductless blow-up air curtain as small as possible and making it movable, it has become possible to easily install it without damaging the atmosphere of restaurants, restaurants, theaters, and theatrical performances.

As shown in FIG. 9, the ductless blow-up type air curtain device 9 of FIG. 9 which is downsized and attached to a person can be used.

Further, as a method of improving the atmosphere of the place, lighting or a display may be attached to the blower 4 or the like shown in FIG.

In addition, if there is no person and there is no possibility of infection in the direction of the air of the air curtain ejected from the ductless blow-up type air curtain device, the air curtain of the ductless blow-up type air curtain device is ejected sideways. May be.

Since the air curtain ejected from the ductless blow-up type air curtain device is for partitioning between people, the width of the blown air is as large as possible, and the ejected air curtain is larger than the width of the human face. It is better to use an air curtain that does not touch the person who handles the partition directly.

FIG. 11 is a perspective view of a ductless blow-up type air curtain device. It is a figure which takes in air from the air intake port for the air curtain of 12-2, and blows up the air of an air curtain which is blown up by the rectifying plate of 12-4 and 12-5.

FIG. 12 is a cross-sectional view of a ductus blow-up type air curtain device. The air of the air curtain that has entered from the air intake of 12-2 is guided by a fan to be ejected upward by the straightening vanes 12-4 and 12-5 of the ejection port to form an air curtain that is blown up.

The 12-4 and 12-5 straightening vanes guide the air in the air curtain, but in particular, the 12-4 straightening vane is installed far from the fan, and the 12-5 straightening vane extends close to the fan. By doing so, the air from the air curtain generated by the fan is blown up as efficiently as possible.

The air curtain is a wall of air ejected in a curtain shape from a ductless blow-up type air curtain device.

Currently, as a method of preventing virus and bacterial infections caused by human droplets, it is blocked by a resin plate or a sheet partition, but in places where the aesthetics and atmosphere of the place are important, such as restaurants and theaters, the aesthetics and atmosphere. There was a problem to break. Therefore, the present invention, in which people can be easily separated from each other by an invisible air curtain instead of a resin plate or a resin sheet, is effective as an infection control measure that separates people from each other without losing their aesthetics and atmosphere. be.

By making the ductless blow-up type of the present invention smaller and lighter, the ductless blow-up type air curtain device can be made smaller and lighter so that a person can carry it. You can explain the product to the customer while moving by equipping and installing it. In the case of a portable type, it is recommended to use it together with a rechargeable battery or a dry battery.

Even in the television and other industries, it may be used as an air curtain to prevent virus and bacterial infections caused by splashes between performers. Install a ductless blow-up type air curtain device under the floor or under the table so that it is not visible to people, and make a hole in the floor or table for the air curtain to pass so as not to block the air curtain that blows out. The air from the air curtain may be blown out.

It can also be used as an air curtain to prevent the staining of viruses and bacteria caused by human droplets in conference rooms and drawing rooms. A ductless blow-up type air curtain device is installed under the table, a hole is made in the table so as not to block the blown air, and the air of the air curtain is blown out from the hole in the table to make the ductless blow-up type air curtain device human eyes. You may not enter.

If the air discharged from the ductless blow-up type air curtain device does not come into contact with other people and become infected, the air of the air curtain ejected from the ductless blow-up type air curtain device may be ejected from the side surface of the person.

The air curtain is a wall of air ejected from a ductless blow-up type air curtain device.

1 person 2 ductless blow-up air curtain device 2-1 sirocco fan 2-2 cross-flow fan 3 blower 4 second blower 5 ventilation fan 8 splashes from the mouth and nose of 8 people 9 portable ductless blow-up air curtain device 10 propeller Fan ductless blow-up air curtain device 10-1 Propeller fan 11 An arrow indicating the width of the air curtain ejected from the ductless blow-up air curtain device.
12 Arrow indicating the length of the thickness of the air curtain ejected from the ductless blow-up type air curtain device 12-1 Exterior of the ductless blow-up type air curtain device 12-2 Air intake port of the ductless blow-up type air curtain device 12-3 Ductless blow-up Cross-flow fan 12-4 of the type air curtain device A rectifying plate 1 that controls the air flow of the air curtain ejected from the ductless blow-up type air curtain device.
12-5 Rectifying plate 2 that controls the flow of air in the air curtain ejected from the ductless blow-up type air curtain device.

Claims (11)

As a means to prevent airborne infection of viruses and bacteria discharged from humans, it is a device that ejects the air wall of the air curtain from the bottom to the top from the air curtain ejection device. A ductless blow-up type air curtain device that partitions people and prevents viruses and bacteria that are transmitted from person to person through the air from contacting people. The ductless blow-up type air curtain device according to claim 1, wherein a sirocco fan is used as a blower. The ductless blow-up type air curtain device according to claim 1, wherein a cross-flow fan is used as a blower in the ductless blow-up type air curtain device. The ductless blow-up type air curtain device according to claim 1, wherein a propeller fan is used as a blower. The ductless blow-up type air curtain device according to claim 1, wherein a diagonal flow fan is used as a blower. In the ductless blow-up type air curtain device according to claim 1, the ductless blow-up type air curtain device using a turbo fan as a blower. In the ductless blow-up type air curtain device according to claim 1, the ductless blow-up type air curtain device that sends air for blowing air curtain from an air pump. The portable ductless blow-up air curtain device according to claim 1, wherein the portable ductless blow-up air curtain device is worn and used by a person to be partitioned. In the ductless blow-up type air curtain device of claim 1, the ductless blow-up type air curtain device in which the air curtain ejected between a person and a person is ejected sideways. In the ductless blow-up type air curtain device of claim 1, the ductless blow-up type air curtain operated by a portable rechargeable battery or a dry battery. The ductless blow-up type air curtain device according to claim 1, wherein the air intake port for ejecting the air curtain is provided with an air purifying function.

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