WO2022004351A1

WO2022004351A1 - Air curtain device and sterilization blower

Info

Publication number: WO2022004351A1
Application number: PCT/JP2021/022655
Authority: WO
Inventors: 敏子土屋
Original assignee: 未来を拓く合同会社
Priority date: 2020-07-01
Filing date: 2021-06-15
Publication date: 2022-01-06

Abstract

Provided is an air curtain device that does not require control, has no change in appearance, and can prevent droplet and airborne infections by blowing out sterilized air. An air curtain device (1) divides the interior of a predetermined target space with air. The air curtain device (1) comprises an air-blowing unit (30) that blows air into the target space to form an air curtain and an air sterilization unit that sterilizes the air of the air curtain blown from the air-blowing unit (30).

Description

Air curtain device and sterilization blower

The present invention relates to an air curtain device and a sterilizing blower device used for preventing droplet infection and airborne infection in a building such as a store or a restaurant.

Generally, an air curtain device is installed in an opening such as a door of a building, and by blowing air in a curtain shape along the opening, the outside and the room or the room are separated from each other to have a heat blocking effect. I am trying to get a bacteriostatic (dust) effect.

Such an air curtain device includes, for example, the ozone air curtain device described in Patent Document 1. This ozone air curtain device has an ozone generator, and the ozone generated by this ozone generator is sent to the outlet of the air curtain device by air to block heat, smoke, insects, and dust, as well as deodorize.・ I am trying to obtain a bactericidal effect.

By the way, in order to prevent droplet infection and airborne infection in a building such as a store or a restaurant, for example, between seats, between the inside and outside of a counter, a transparent acrylic plate, a transparent vinyl sheet, etc. By arranging the transparent shielding members of the above, it is possible to shield between each other.

Japanese Unexamined Patent Publication No. 2001-299891

However, in the ozone air curtain device described in Patent Document 1, the ozone concentration of the blown air is detected by the ozone concentration detector, and the ozone generation amount of the ozone generator is adjusted by the control device according to the ozone concentration. Therefore, an ozone concentration detector and a control device are required, and there is a problem that the structure and control become complicated.

Further, when the shielding member is provided, there is a problem that the appearance is deteriorated and the shielding member becomes an obstacle and hinders the user's behavior.

Therefore, the present invention has been made in view of the above circumstances, and is an air curtain device and a sterilizing blower device that do not require control, have no change in appearance, and can prevent droplet infection and air infection by blowing out sterilized air. The purpose is to provide.

In order to achieve such an object, the invention according to claim 1 is an air curtain device for partitioning a predetermined target space with air, and an air blowing unit that blows air into the target space to form an air curtain. The air sterilizing unit is provided with an air sterilizing unit that sterilizes the air of the air curtain blown from the air blowing unit.

Further, the invention according to claim 2 is characterized in that, in addition to the configuration according to claim 1, an ultraviolet lamp is installed in the air sterilizing section.

Further, the invention according to claim 3 comprises an air sterilizing unit that blows air so as to cover at least the entire head of the user with air, and an air sterilizing unit that sterilizes the air blown from the air blowing unit. It is characterized by being prepared.

Further, the invention according to claim 4 is characterized in that, in addition to the configuration according to claim 3, it is provided with an angle adjusting member capable of adjusting the blowing angle of the air blown from the air blowing unit. do.

The invention according to claim 5 includes an air suction unit provided around the target space to suck air in the target space, an air blower unit to blow the air to the entire target space, and the above-mentioned invention. It is characterized by including an air sterilizing unit that sterilizes the air blown from the air blowing unit.

Further, the invention according to claim 6 has a floor surface portion, a side wall portion that is erected from the floor surface portion and is provided with a door that can be opened and closed, and a ceiling portion that is provided so as to cover the upper end of the side wall portion. A sterilization blower in which a target space for sterilization is formed, and a space portion is formed from the side wall portion to the ceiling portion, and an air suction portion that sucks air from a suction port formed in the side wall portion is described above. An air sterilizing section installed in the space section and sterilizing the air sucked from the air suction section is provided in the space section, and the air sterilized by the air sterilizing section is blown by the air blowing section installed in the space section. It is characterized in that it is configured to blow out into the target space from the outlet provided in the ceiling portion.

Further, the invention according to claim 7 has a floor surface portion, a side wall portion that is erected from the floor surface portion and is provided with a door that can be opened and closed, and a ceiling portion that is provided so as to cover the upper end of the side wall portion. It is a sterilization blower in which a target space for sterilization is formed, and a space portion is formed from the floor surface portion to the ceiling portion via the side wall portion, and air is blown from a suction port formed in the floor surface portion. An air suction section for sucking air is installed in the space section, an air sterilization section for sterilizing the air sucked from the air suction section is provided in the space section, and air sterilized by the air sterilization section is provided on the ceiling section. It is characterized in that it is configured to blow out into the target space from the outlet.

According to the first aspect of the present invention, by sterilizing the air of the air curtain blown from the air blower unit by the air sterilizer unit, control is not required, the appearance does not change, and the sterilized air can be blown out. It will be possible. As a result, it is possible to prevent droplet infection and airborne infection of the user.

Further, according to the invention of claim 2, since the ultraviolet lamp is installed in the air sterilizing section, the structure is simplified and the sterilized air can be blown out.

Further, according to the third aspect of the present invention, the air blown from the air blowing unit is sterilized by the air sterilizing unit and blown so as to cover at least the head of the user, thereby eliminating the need for control and appearance. It is possible to blow out sterilized air without any change. As a result, it is possible to prevent droplet infection and airborne infection between the user and other people.

Further, according to the fourth aspect of the present invention, the air can be blown to a desired place by providing the angle adjusting member capable of adjusting the blowing angle of the air blown from the air blowing unit. , It is possible to further prevent droplet infection and airborne infection in the user or the target space.

Further, according to the invention of claim 5, the air blown from the air blower section is sterilized by the air sterilizer section and the air is blown to the entire target space, thereby eliminating the need for control and changing the appearance. It is possible to blow out sterilized air to the entire target space. As a result, since it is isolated inside and outside the target space, it is possible to prevent droplet infection and airborne infection in the target space.

Further, according to the invention of claim 6, the air sucked by the air suction part is sterilized by the air sterilization part, and the sterilized air is sterilized by the air blower part installed in the space part, and the outlet of the ceiling part. By blowing out from the ceiling into the target space, control is not required, there is no change in appearance, and sterilized air can be blown out into the entire target space. As a result, since it is isolated inside and outside the target space, it is possible to prevent droplet infection and airborne infection in the target space.

Further, according to the invention of claim 7, an air suction portion for sucking air from a suction port formed on the floor surface portion is installed in the space portion, and the air sucked from the air suction portion is sterilized by the air sterilization section. By blowing this sterilized air into the target space from the outlet provided on the ceiling, it is possible to blow out the sterilized air to the entire target space without the need for control and without any change in appearance. Become. As a result, since it is isolated inside and outside the target space, it is possible to prevent droplet infection and airborne infection in the target space.

It is a perspective view which shows the air curtain unit in 1st Embodiment of the air curtain apparatus which concerns on this invention. It is a schematic perspective view which shows the internal structure of 1st Embodiment of the air curtain apparatus which concerns on this invention. It is explanatory drawing which shows the mechanism of blowing air of the air curtain apparatus of 1st Embodiment. It is a vertical sectional view which shows the internal structure of 1st Embodiment of the sterilization blower which concerns on this invention. 4 is a cross-sectional view taken along the line AA of FIG. It is sectional drawing by BB line of FIG. It is a schematic side view which shows the use state of 1st Embodiment of the sterilization blower which concerns on this invention. It is a schematic front view which shows the use state of 1st Embodiment of the sterilization blower which concerns on this invention. It is a schematic front view which shows the use state of the 2nd Embodiment of the sterilization blower which concerns on this invention. It is a schematic perspective view which shows the main part of the 2nd Embodiment of the sterilization blower which concerns on this invention. It is a schematic front view which shows the main part of the 2nd Embodiment of the sterilization blower which concerns on this invention. It is a front view which shows the example which applied the 3rd Embodiment of the sterilization blower which concerns on this invention to a space sterilization booth. It is a schematic front view which shows the opening and closing door of the space sterilization booth of FIG. It is a schematic front view which shows the modification of the opening and closing door of FIG. It is a front view which shows the 1st modification which applied the 3rd Embodiment of the sterilization blower which concerns on this invention to a private room office booth. It is a front view which shows the 2nd modification which applied the 3rd Embodiment of the sterilization blower which concerns on this invention to a private room bed booth. It is a front view which shows the example which applied the 4th Embodiment of the sterilization blower which concerns on this invention to a private room office booth. It is a front view which shows the example which applied the 5th Embodiment of the sterilization blower which concerns on this invention to the private room booth in a restaurant. It is a front view which shows the example which applied the 6th Embodiment of the sterilization blower which concerns on this invention to the private room booth in a restaurant.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

[First Embodiment of Air Curtain Device]
FIG. 1 is a perspective view showing an air curtain unit according to a first embodiment of the air curtain device according to the present invention. FIG. 2 is a schematic perspective view showing the internal structure of the first embodiment of the air curtain device according to the present invention. FIG. 3 is an explanatory diagram showing an air blowing mechanism of the air curtain device of the first embodiment.

Although only one of the air curtain units is shown in FIG. 1, in the present embodiment, they are continuously arranged side by side in a plane in the vertical and horizontal directions. In this case, only one of the air curtain units may be installed.

As shown in FIG. 1, in the air curtain device 1 of the present embodiment, for example, a large number of air curtain units 20 are continuously arranged vertically and horizontally in a plane from a ceiling (not shown) of a store or the like, and each air curtain unit 20 is arranged. It is suspended to a predetermined height by four suspension bolts 21. That is, the length of the suspension bolt 21 is set for each of the air curtain units 20 so as to have a predetermined height. This predetermined height is set to a height at which the cold air of the air conditioner or the warm air of the heating can be distributed throughout the store.

As shown in FIG. 1, the air curtain unit 20 is formed in a square frame shape in a plan view, and the length of one side thereof is set to 600 to 800 mm. By setting such a length, each customer can be partitioned from each other by the air curtain 11 blown out from the air curtain unit 20. A space is formed inside each side.

The air curtain unit 20 has a cross flow fan 30 installed in each of the four spaces. As shown in FIGS. 2 and 3, the cross flow fan 30 has a plurality of blades 31 supported by discs 32 on both sides and a support plate 33 at an intermediate portion. A plurality of impellers 34 in which these blades 31 are held at intervals of a predetermined time or more in the circumferential direction are connected with the same rotation axis in the rotation axis direction. A bearing for connecting the shaft of the motor 35 is attached to the center of the disk 32 at one end, and a rotating shaft also serving as a support plate is attached to the disk at the other end. In the vicinity of the blowout portion 28 of the cross flow fan 30, an ultraviolet lamp (hereinafter referred to as an LED ultraviolet lamp) made of an LED (light emission diode) as an air sterilization portion is arranged so as to be in the same direction as the blade 31. ing.

The LED ultraviolet lamp 7 generates, for example, a far ultraviolet C wave, and uses a lamp having a wavelength as short as 205 to 230 nanometers. Therefore, although it does not reach human cells and does not affect the human body, it can penetrate and disinfect bacteria and viruses existing in the air or on the surface of objects. Specifically, it is currently considered that the far-ultraviolet C wave has an inactivating effect on other coronaviruses including the new coronavirus.

The air curtain unit 20 is provided with a suction port 37 formed in a slit shape on the upper surface of each of the four sides. Each of these suction ports 37 communicates with the suction portion 27 of the cross flow fan 30.

In the present embodiment, since the suction port 37 is provided on the upper surface portion, as shown in FIG. 1, the air is sucked up from the frame of the air curtain unit 20 and the air is sucked from the suction port 37 on the upper surface portion. Has been done.

The outlets (not shown) of the outlet 28 are formed in a slit shape on each of the four sides of the bottom surface of the air curtain unit 20. The outlets on these four sides are configured to be able to drive and stop the outlet by controlling the drive of the cross flow fan 30. Therefore, when a plurality of air curtain units 20 are continuously installed in a plane in the vertical and horizontal directions, the outlets on the four sides of each air curtain unit 20 are blown out by controlling the drive of the cross flow fan 30 on and off. The size of the area and the shape of the square plane can be changed freely.

The opening / closing control of the blowout portions 28 on the four sides is performed by remotely controlling all the cross flow fans 30, and some patterns are stored in advance in the storage unit of the microcomputer which is the control means, and from these patterns. By selecting and reading one, it is possible to change the size and plane shape of various areas.

Next, the operation of the air curtain device 1 of the present embodiment will be described.

It is assumed that a large number of air curtain units 20 are continuously arranged side by side in a plane vertically and horizontally from the ceiling and suspended so as to have a predetermined height by four suspension bolts 21 each. Then, by driving the cross flow fans 30 on the four sides of each air curtain unit 20, the air blown from each cross flow fan 30 is sterilized by the LED ultraviolet lamp 7, and is sterilized from an outlet (not shown). The air is blown out in a square tube shape. The lower sides of the four sides of the outlet of each air curtain unit 20 are partitioned by the air curtain 11 by the air blown from the outlet. As a result, air is cut off from the other air curtain unit 20.

Since the cross-flow fans 30 on the four sides of each air curtain unit 20 are driven, the air in the air curtain 11 is sucked up from the central opening of the air curtain unit 20 and then sucked in from the suction port 37. .. This air is sterilized by the LED ultraviolet lamp 7 from the inside of the cross flow fan 30, and then the sterilized air is blown out again from the outlet of the outlet 28.

As described above, according to the present embodiment, for example, a plurality of air curtain units 20 installed in a store are formed so as to be continuously arranged side by side in a plane in a vertical and horizontal manner, and are installed on four sides of each air curtain unit 20. By controlling the drive of the cross-flow fan 30 on and off, the overall configuration can be extremely simplified and the usability is improved.

In this embodiment, an example in which a plurality of air curtain units 20 are continuously arranged side by side in a plane in the vertical and horizontal directions has been described, but the present invention is not limited to this, and the installation location is wide and narrow, such as a store. The number can be increased or decreased as appropriate. As a result, the versatility can be further improved.

[First Embodiment of sterilization blower]
FIG. 4 is a vertical cross-sectional view showing the internal structure of the first embodiment of the sterilization blower according to the present invention. FIG. 5 is a cross-sectional view taken along the line AA of FIG. FIG. 6 is a cross-sectional view taken along the line BB of FIG. FIG. 7 is a schematic side view showing a usage state of the first embodiment of the sterilization blower according to the present invention. FIG. 8 is a schematic front view showing a usage state of the first embodiment of the sterilization blower according to the present invention. In each of the following embodiments of the sterilization blower device, the same or corresponding portions as those of the embodiment of the air curtain device will be described with the same reference numerals.

As shown in FIGS. 7 and 8, the sterilization blower 60 of the present embodiment is a portable type and is used by being installed on, for example, a table 10. As shown in FIGS. 4 to 6, the sterilization blower device 60 has a main body case 61, and in the main body case 61, a cross flow fan 30 as an air blower unit and an LED ultraviolet lamp as an air sterilization unit are provided. 7 and are stored. As shown in FIGS. 7 and 8, the cross-flow fan 30 blows air so as to cover the upper body of the seated person who is the user with air. The LED ultraviolet lamp 7 sterilizes the air blown from the cross flow fan 30. The LED ultraviolet lamp 7 emits light by being supplied with a current from, for example, a commercial power source of AC100V. The cross-flow fan 30 has a fan shaft 30a, and the fan shaft 30a is connected to the output shaft of the motor 35. The motor 35 is connected to a plug 63 that is plugged into the outlet of the commercial power supply via the power cord 62. The cross-flow fan 30 is driven by supplying a current from the commercial power source to the motor 35 by turning on a power switch (not shown).

Here, the power switch of the motor 35 and the LED ultraviolet lamp 7 detects that the seated person is seated on the chair by a sensor such as a contact sensor provided on the chair or a motion sensor provided on the sterilization blower 60, and this detection is performed. Based on the result, the power switch may be configured to be turned on. In this case, when the seated person leaves the chair, the power switch is turned off.

As shown in FIG. 4, an air suction portion 64 is provided on one side of the main body case 61, and a filter 65 formed by bending inside the suction portion 64 is arranged. This filter 65 filters dust, pollen, etc. in the air sucked from the suction unit 64. An air blowing portion 66 is provided on the other side of the case 61, and air sterilized by the LED ultraviolet lamp 7 is blown from the blowing portion 66. The dimensions of the suction portion 64 and the blowout portion 66 are substantially the same as the length of the cross flow fan 30.

A louver 67 as an angle adjusting member is installed above the blowout portion 66, and the length of the louver 67 is substantially the same as the dimensions of the blowout portion 66. The louver 67 is configured to be tiltable about a rotation axis. An operation knob 68 is attached to one end of the rotation shaft of the louver 67, and when the operation knob 68 is rotated, the inclination angle of the louver 67 changes, and the air blown from the blowout portion 66 comes into contact with the louver 67. It is deflected and the air blowing angle is adjustable.

In the present embodiment, the operation knob 68 is rotated to change the inclination angle of the louver 67 to adjust the air blowing angle, but the louver 67 is configured by using the rotational driving force of a motor (not shown). The tilt angle of may be changed. In this case, the height of the seated person may be read by a sensor or image information, and the rotation of the motor may be controlled by a control unit (not shown) based on the reading result to change the tilt angle of the louver 67. .. With this configuration, the circumference of the seated person is filled with the clean air blown out from the blowing portion 66 regardless of the height of the seated person.

Next, the operation of the sterilization blower 60 of the present embodiment will be described.

The sterilization blower 60 of the present embodiment is installed at a position facing the seat on the top plate 41 of the table 10. In this case, the description will be made on the assumption that the seated person has a conversation.

First, by turning on the power switch (not shown) of the sterilization blower 60, the current from the commercial power supply is supplied to the motor 35 and the LED ultraviolet lamp 7 to drive the cross flow fan 30, and air is blown from the blowout unit 66. At the same time as blowing out, the LED ultraviolet lamp 7 is made to emit light. Here, the operation knob 68 is rotated to adjust the inclination angle of the louver 67 in advance so as to cover the upper body of the seated person with air as shown in FIGS. 7 and 8, and adjust the air blowing angle. .. In this case, the larger the inclination angle of the louver 67, the wider the air blowing range.

Then, when the seated person is talking, in addition to the droplets contained in the exhaled breath, dust, pollen, etc. are sucked from the suction unit 64, and the dust, pollen, etc. are filtered through the filter 65. The fine droplets that have not been filtered are sterilized by the LED ultraviolet lamp 7 via the cross flow fan 30, and the sterilized and clean air after the dust, pollen and the like are filtered is blown out from the blowing portion 66.

Then, the clean air blown out from the blowout portion 66 covers at least the entire upper body of the seated person as shown in FIGS. 7 and 8. As a result, the periphery of the seated person is filled with the clean air blown from the blowing portion 66, and is partitioned from the surroundings. As a result, it is possible to prevent droplet infection and airborne infection between the seated person and other people.

As described above, according to the present embodiment, the air blown from the cross flow fan 30 is sterilized by the LED ultraviolet lamp 7 and blown so as to cover the entire upper body of the seated person, thereby eliminating the need for control and changing the appearance. It is possible to blow out sterilized clean air. As a result, it is possible to prevent droplet infection and airborne infection between the seated person and other people.

In the present embodiment, the air is blown so as to cover the entire upper body of the seated person, but the present invention is not limited to this, and at least the head of the seated person may be covered. Even in this case, it is possible to prevent droplet infection and airborne infection between the seated person and other people.

Further, in the present embodiment, a current is supplied from a commercial power source to the cross flow fan 30 and the LED ultraviolet lamp 7 to drive the cross flow fan 30, and the LED ultraviolet lamp 7 is emitted, but the present invention is not limited to this. A current may be supplied from a power source such as a battery to drive the battery, and the light may be emitted.

[Second Embodiment of Sterilization Blower]
FIG. 9 is a schematic front view showing a usage state of the second embodiment of the sterilization blower according to the present invention. FIG. 10 is a schematic perspective view showing a main part of a second embodiment of the sterilization blower according to the present invention. FIG. 11 is a schematic front view showing a main part of the second embodiment of the sterilization blower according to the present invention.

As shown in FIG. 9, the sterilization blower 80 of the present embodiment is installed on the upper part of the clothes processing device 81. The garment processing device 81 has a storage chamber 82 as a target space having a vertically long rectangular parallelepiped shape. The storage room 82 may include, for example, a closet of a hotel, a house, a store, or the like. Inside the storage chamber 82, various clothes such as suits, coats, ties, etc. to which droplets contained in the breath of other people are attached are stored in a suspended state, and bags to which droplets are attached are also stored. It is stored.

On the front of the storage room 82, two opening / closing doors 83 that can be opened / closed in a double-door shape for putting in / out clothes, bags, etc. are attached. Each opening / closing door 83 is attached to the left and right openings of the storage chamber 82 so as to be openable / closable via a hinge portion (not shown). A pole 84 extending in the left-right direction is provided near the top surface of the storage chamber 82. A hanger 85 on which clothes are hung is hung from the pole 84.

The sterilization blower 80 of the present embodiment is installed on the upper part of the top surface of the storage chamber 82. The sterilization blower 80 is formed in a rectangular shape in a plan view, and a cross flow fan 30 as an air blower is arranged in the vicinity of the long side portion and the short side portion facing each other. Air suction portions 87 formed in a slit shape are provided on the bottom surfaces of the sterilization blower 80 in the vicinity of the long side portions and the short side portions facing each other. When each cross-flow fan 30 is driven, air from the vicinity of each inner wall in the storage chamber 82 is configured to be sucked into each cross-flow fan 30 through the air suction portion 87 as shown by an arrow in FIG.

Inside these cross-flow fans 30, LED ultraviolet lamps 7 as air sterilizers are arranged. As shown in FIG. 10, a straightening vane 86 formed in a grid pattern in the vertical and horizontal directions is arranged on the inner lower surface of these LED ultraviolet lamps 7. The straightening vane 86 is formed in a rectangular shape and has a predetermined thickness, and the air blown from the cross flow fan 30 is passed through the LED ultraviolet lamp 7 into the storage chamber 82 as shown by an arrow in FIG. Guide them so that they are sprayed so as to cover from the upper end to the lower end of each suspended clothing.

Next, the operation of the sterilization blower 80 of the present embodiment will be described.

First, as shown in FIG. 9, a plurality of hangers 85 on which clothes having droplets contained in the exhaled breath of another person are hung on the pole 84 of the storage chamber 82 are suspended, and the opening / closing door 83 is kept closed. Then, the cross flow fan 30 arranged in the vicinity of the long side portion and the short side portion of the sterilization blower 80 is driven, respectively. Then, air containing pollen and bacteria attached to clothes suspended on the hanger 85 is sucked into each cross-flow fan 30 from the vicinity of each inner wall in the storage chamber 82 through the air suction portion 87.

Next, the air sucked into each cross-flow fan 30 is sterilized and cleaned through the LED ultraviolet lamp 7 as shown in FIG. 11, and then passed through the rectifying plate 86 formed in a grid pattern in the vertical and horizontal directions. As shown in 9, the entire clothes suspended in the storage chamber 82 from the upper end to the lower end are sprayed so as to be covered with clean air.

As described above, according to the present embodiment, the air blown from each cross-flow fan 30 is sterilized by the LED ultraviolet lamp 7 and the air is blown to the entire inside of the storage chamber 82, thereby eliminating the need for control and appearing. There is no change, and the sterilized air can be blown out to the entire inside of the storage chamber 82. As a result, each piece of clothing suspended in the storage chamber 82 can be sterilized.

In the present embodiment, an example in which the straightening vane 86 is formed into a rectangular shape has been described, but the present invention is not limited to this, and any shape such as a square shape, a circular shape, an elliptical shape, or the like other than the rectangular shape may be used.

Further, in the present embodiment, the air in the storage chamber 82 is configured to be directly sucked into each cross flow fan 30 through the air suction portion 87. In addition to this configuration, a filter is arranged in the air suction portion 87, and the filter is arranged. A filter may be used to filter dust, pollen, etc. contained in the air in the storage chamber 82.

[Third Embodiment of sterilization blower]
FIG. 12 is a front view showing an example in which the third embodiment of the sterilization blower according to the present invention is applied to a space sterilization booth. FIG. 13 is a schematic front view showing the opening / closing door of the space sterilization booth of FIG. FIG. 14 is a schematic front view showing a modified example of the opening / closing door of FIG.

As shown in FIG. 12, the sterilization blower 90 of the present embodiment is applied to the space sterilization booth 91, and the entire space sterilization booth 91 is formed in the shape of a vertically long rectangular parallelepiped box, and is used as a target space inside the space sterilization booth 91. Has a storage room 92. The space sterilization booth 91 is assembled and installed in a building such as a hotel, a house, or a store. The space sterilization booth 91 is structurally easily disassembled, and is configured to be disassembled and compactly stored when not in use.

The space sterilization booth 91 has a floor surface portion 93 provided on the installation surface, four side wall portions 94 on the front, both sides, and the back surface erected above the four sides of the floor surface portion 93, and four side wall portions 94. A ceiling portion 95 provided above is provided, and a storage chamber 92 is formed inside these. Similar to the second embodiment, various clothes such as suits, coats, and ties to which droplets contained in the exhaled breath of another person are attached are stored in the storage chamber 92 in a suspended state. , Various items such as bags with splashes are also stored. A pole 96 spanned in the left-right direction is provided in the vicinity of the ceiling portion 95 of the storage chamber 92. A plurality of hangers 97 on which clothes are hung are hung on the pole 96.

An inner wall portion 94a and an outer wall portion 94b are provided on both side surfaces of the side wall portion 94 at predetermined intervals, and a space portion 94c is formed from between the inner wall portion 94a and the outer wall portion 94b to the ceiling portion 95. ing. At the lower portions of both side surfaces of the side wall portion 94, a suction machine 98 including a blower, a centrifugal fan, or the like for sucking air in the storage chamber 92 from the suction port 104 into the space portion 94c is installed. On both side surfaces of the side wall portion 94, LED ultraviolet lamps 7 as air sterilizing portions are arranged in space portions 94c substantially in the middle in the height direction. As shown in FIG. 13, an opening 99 serving as an entrance / exit for the user is provided on the front side of the side wall portion 94, and the single sliding door 100 is attached to the opening 99 so as to be openable / closable. The single sliding door 100 is provided with a transparent window 100a such as a transparent glass plate or an acrylic plate so that the inside of the storage chamber 92 can be visually recognized from the outside.

A blower chamber 101 as a space portion communicating with the space portion 94c is installed above the ceiling portion 95 of the storage chamber 92, and a cross flow fan 30 as an air blower portion is arranged in the blower chamber 101. On the ceiling of the storage chamber 92, an outlet 102 for blowing out the air blown from the cross flow fan 30 into the storage chamber 92 is provided. A straightening vane 86 may be installed in the outlet 102 as in the second embodiment.

Although not shown in FIG. 12, in the sterilization blower device 90 of the present embodiment, an air conditioner is installed in the blower chamber 101 to blow out cold air from the blowout port 102 in the summer, while the blowout port is blown out in the winter. Warm air may be blown out from 102.

Further, the sterilization blower 90 of the present embodiment is designed to sterilize by circulating air, but an outside air intake port (not shown) is provided on the upper surface of the blower chamber 101, and outside air is taken in from this outside air intake port as described above. It may be mixed with the air circulating in the air.

Further, the sterilization blower 90 of the present embodiment has described an example in which the space portions 94c are provided on both side surfaces of the side wall portion 94, but the present invention is not limited to this, and the space portions 94c may be provided on at least one side surface. ..

The sterilization blower 90 of the present embodiment has described an example in which the suction machine 98 is installed in the space 94c at the lower part of both side surfaces of the side wall portion 94, but the space is not limited to this and the space from the side wall portion 94 to the ceiling portion 95. As long as it is part 94c, it may be installed at any position.

Next, the operation of the sterilization blower 90 of the present embodiment will be described.

First, the user opens the single sliding door 100 shown in FIG. 13 and hangs a plurality of hangers 97 on which clothes having droplets contained in the exhaled breath of another person are hung on the pole 96 of the storage chamber 92 shown in FIG. After that, the single sliding door 100 is kept closed.

Then, the suction machine 98 and the cross flow fan 30 arranged above the ceiling portion 95 of the storage chamber 92 are driven by turning on switches (not shown). Then, the air in the storage chamber 92 is sucked from the suction port 104, sterilized through the LED ultraviolet lamp 7, and cleaned. This sterilized and purified air is blown out from the outlet 102 of the ceiling portion 95 through the cross flow fan 30, and pollen and bacteria attached to the clothes suspended on the hanger 97 are removed by this air. Then, the air containing pollen and bacteria is sucked from the suction port 104, then sterilized and cleaned through the LED ultraviolet lamp 7, and then the sterilized and cleaned air is again in the cross flow fan 30. Is sucked into.

Next, the air sucked into the cross flow fan 30 is blown out again from the outlet 102 of the ceiling portion 95, and pollen and bacteria adhering to the clothes suspended on the hanger 97 are removed by this air. After that, the sterilization treatment is repeated in the same order.

As described above, according to the present embodiment, the air sucked from the suction port 104 is sterilized by the LED ultraviolet lamp 7, and the air is blown from the outlet 102 to each clothing in the storage chamber 92 through the cross flow fan 30. No control is required, there is no change in appearance, and sterilized air can be blown out to the clothes in the storage chamber 92. As a result, each piece of clothing suspended in the storage chamber 92 can be sterilized.

In the present embodiment, an example in which the single sliding door 100 shown in FIG. 13 is provided as the opening / closing door has been described, but the present invention is not limited to this, and for example, as shown in FIG. 14, the front opening 99 of the four side wall portions 94. Both sliding doors 103 may be provided in the. Both sliding doors 103 are also provided with transparent windows 103a such as transparent glass plates and acrylic plates for each sliding door so that the inside of the storage chamber 92 can be visually recognized from the outside. When the double sliding door 103 is used, the hangers 97 suspended on both sides can be easily taken out, and the usability is improved.

[First modification of the third embodiment of the sterilization blower]
FIG. 15 is a front view showing a first modification in which the third embodiment of the sterilization blower according to the present invention is applied to a private room office booth. The same parts as those in the third embodiment of the sterilization blower are designated by the same reference numerals, and different configurations and operations will be described. The same applies to other modifications.

As shown in FIG. 15, the sterilization blower 90A of this modified example is applied to the private room office booth 105 instead of the space sterilization booth 91. A desk 106 and a chair 107 are installed on the floor surface portion 93 in the private room office booth 105. The user of the private room office booth 105 is configured to sit on a chair 107 and work at a desk 106. At a height below the desk 106 on both side surfaces of the side wall portion 94, a suction machine 98 for sucking air in the storage chamber 92 from the suction port 104 into the space portion 94c is installed.

Therefore, the sterilization blower 90A of the present modification does not show the suction machine 98 and the cross flow fan 30 arranged on the upper part of the ceiling portion 95 when the user sits on the chair 107 and works toward the desk 106. Turn on the switch to drive. Then, the air in the private room office booth 105 is sucked from the suction port 104, sterilized through the LED ultraviolet lamp 7, and cleaned. This sterilized and purified air is blown out from the outlet 102 of the ceiling portion 95 through the cross flow fan 30, and the air removes pollen and bacteria adhering to the user's clothing and breathes the user. The air containing the contained droplets is sucked from the suction port 104, sterilized and cleaned through the LED ultraviolet lamp 7, and then sucked into the cross flow fan 30 again.

Next, the sterilized and purified air sucked into the cross flow fan 30 is blown out again from the outlet 102 of the ceiling portion 95, and the air droplets contained in the exhaled breath of the user are removed by this air. After that, the sterilization treatment is repeated in the same order.

As described above, according to this modification, the air sucked from the suction port 104 is sterilized by the LED ultraviolet lamp 7, and the air is blown from the outlet 102 to the user in the private room office 105 through the cross flow fan 30. It is possible to blow out sterilized air to the user in the private room office booth 105 without the need for control and no change in appearance. As a result, the user in the private room office booth 105 can be sterilized.

[Second modification of the third embodiment of the sterilization blower]
FIG. 16 is a front view showing a second modification in which the third embodiment of the sterilization blower according to the present invention is applied to a private room bed booth.

As shown in FIG. 16, the sterilization blower 90B of this modified example is applied to the private room bed booth 110 instead of the space sterilization booth 91. The private room bed booth 110 is installed in, for example, a school or nursery center infirmary. On the floor surface 93 of the private room bed booth 110, a bed 112 used for, for example, a student suffering from an infectious disease or a patient who is a kindergarten child is installed. At a height below the bed 112 on both side surfaces of the side wall portion 94, a suction machine 98 for sucking air in the storage chamber 92 from the suction port 104 into the space portion 94c is installed.

Therefore, the sterilization blower 90B of this modification drives the suction machine 98 and the cross-flow fan 30 arranged at the upper part of the ceiling when the patient is lying on the bed 112. Then, the air in the private room bed booth 110 is sucked from the suction port 104, sterilized and cleaned through the LED ultraviolet lamp 7. This sterilized and purified air was blown out from the outlet 102 of the ceiling portion 95 through the cross flow fan 30, and the air containing the infected droplets contained in the exhaled breath of the patient was sucked from the suction machine 98. After that, it is sterilized and cleaned through the LED ultraviolet lamp 7, and then sucked into the cross flow fan 30 again.

Next, the sterilized and purified air sucked into the cross flow fan 30 is blown out again from the outlet 102 of the ceiling portion 95, and the infected droplets contained in the patient's exhaled breath are removed by this air. After that, the sterilization treatment is repeated in the same order.

As described above, according to this modification, the air sucked from the suction port 104 is sterilized by the LED ultraviolet lamp 7, and the air is blown from the outlet 102 to the patient in the private room bed booth 110 through the cross flow fan 30. It is possible to blow out sterilized air to the patient in the private room bed booth 110 without the need for control and without any change in appearance. As a result, the exhaled breath emitted from the patient in the private room bed booth 110 can be sterilized.

Further, according to the third embodiment, the first modification example, and the second modification example, large-scale construction work is not required, and it can be installed later in the facility. Similar effects can be obtained in the following embodiments.

The sterilization blower 90B of this modified example has described an example in which a private room bed booth 110 is installed in, for example, a health room of a school or a nursery school, but the present invention is not limited to this and can be applied to evacuation shelters in the event of a disaster. ..

[Fourth Embodiment of sterilization blower]
FIG. 17 is a front configuration view showing an example in which the fourth embodiment of the sterilization blower according to the present invention is applied to a private room office booth. The same parts as those of the first modification of the third embodiment of the sterilization blower are designated by the same reference numerals, and different configurations and operations will be described.

As shown in FIG. 17, in the sterilization blower 90C of the present embodiment, the suction machine 98 is removed from the private room office booth 105 of the first modification of the third embodiment, and the cross flow fan 30 as an air suction portion is on the floor. It is installed on the lower side of the face portion 93. Specifically, on the lower side of the floor surface portion 93, a blower chamber 101 as a space portion communicating with the space portion 94c of the side wall portion 94 is provided, and a cross flow fan 30 is installed in the blower chamber 101. .. The floor surface portion 93 is formed with a plurality of suction ports 115 that communicate the storage chamber 92 and the blower chamber 101. The ventilation chamber 101 of the floor surface portion 93 is communicated to the space portion of the ceiling portion 95 via the space portion 94c of the side wall portion 94.

Four casters 116 are fixed to the lower surface of the floor surface portion 93, and by using these casters 116, the sterilization blower 90C itself is configured to be easily movable. Since other configurations are the same as those of the first modification of the third embodiment of the sterilization blower, the description thereof will be omitted.

Therefore, the sterilization blower 90C of the present modification drives the cross flow fan 30 arranged under the floor surface portion 93 when the user sits on the chair 107 and works toward the desk 106. Then, the air in the private room office booth 105 is sucked from the plurality of suction ports 115, and is sterilized and cleaned through the cross flow fan 30 on the floor surface portion 93 and the LED ultraviolet lamp 7 on the side wall portion 94. This sterilized and purified air is blown out from the outlet 102 through the space of the ceiling portion 95, and this air removes pollen and bacteria adhering to the user's clothing and is included in the user's exhaled breath. The air containing the droplets is sucked in from the plurality of suction ports 115 again, sterilized and cleaned through the cross flow fan 30 and the LED ultraviolet lamp 7, and then blown out again from the outlet 102 of the ceiling portion 95. Ru. This air removes the droplets contained in the user's breath. After that, the sterilization treatment is repeated in the same order.

As described above, according to the present embodiment, the air sucked from the suction port 115 is sterilized by the LED ultraviolet lamp 7, and the air is blown from the outlet 102 to the user in the private room office booth 105, so that control is unnecessary. Therefore, there is no change in appearance, and the sterilized air can be blown out to the user in the private room office 101. As a result, the user in the private room office booth 105 can be sterilized.

Further, according to the present embodiment, since a plurality of casters 116 are fixed to the lower surface of the floor surface portion 93, the sterilization blower 90C can be easily moved to a desired place by these casters 116.

In the present embodiment, an example in which the cross flow fan 30 as the air suction portion is installed on the lower side of the floor surface portion 93 has been described, but the present invention is not limited to this, and the cross flow fan 30 may be installed in the space portion 94c of the side wall portion 94. good.

[Fifth Embodiment of sterilization blower]
FIG. 18 is a front view showing an example in which the fifth embodiment of the sterilization blower according to the present invention is applied to a private room booth in a restaurant. The same parts as those of the first modification of the third embodiment of the sterilization blower are designated by the same reference numerals, and different configurations and operations will be described.

As shown in FIG. 18, the sterilization blower 90D of the present embodiment is applied to the restaurant booth 120, and the cross-flow fan 30 is installed as an air blower from the first modification of the third embodiment. Is omitted. The sterilization blower 90D of the present embodiment is configured such that the suction machines 98 of the third and fourth embodiments of the sterilization blower suck air and blow air from the outlet 102 of the ceiling portion 95. The suction machine 98 is installed slightly below each chair 107 in the two side wall portions 94, respectively.

Therefore, the sterilization blower 90D of the present embodiment drives the suction machine 98 by turning on a switch (not shown) when a plurality of customers sit on the chair 107 and eat and drink toward the table 108. Then, the air in the restaurant booth 120 is sucked from the suction port 104, sterilized through the LED ultraviolet lamp 7, and cleaned. This sterilized and purified air is blown out from the outlet 102 of the ceiling portion 95. Next, the air blown out from the outlet 102 is removed by sucking the droplets contained in the exhaled air of the customer from the suction port 104 again. After that, the sterilization treatment is repeated in the same order.

As described above, according to the present embodiment, the air sucked from the suction port 104 is sterilized by the LED ultraviolet lamp 7, and the air is blown from the outlet 102 to the customer in the restaurant booth 120, thereby eliminating the need for control. There is no change in appearance, and it is possible to blow sterilized air to customers in the restaurant booth. As a result, it is possible to sterilize the droplets generated from the exhaled breath of the customer in the restaurant booth 120.

Further, according to the present embodiment, the installation of the cross flow fan 30 can be omitted by blowing the air sucked by the suction machine 98, so that the structure can be simplified.

[Sixth Embodiment of sterilization blower]
FIG. 19 is a front view showing an example in which the sixth embodiment of the sterilization blower according to the present invention is applied to a private room booth in a restaurant. The same parts as those in the fifth embodiment of the sterilization blower are designated by the same reference numerals, and different configurations and operations will be described.

As shown in FIG. 19, the sterilization blower 90E of the present embodiment is applied to the restaurant booth 120, and the suction machine 98 similar to that of the fifth embodiment is attached to each table 108 on the two side wall portions 94. It is installed slightly below each. The LED ultraviolet lamp 7 as an air sterilizing unit is installed in the ventilation chamber 121 of the ceiling portion 95.

Therefore, in the sterilization blower 90E of the present embodiment, as in the fifth embodiment, when a plurality of customers sit on the chair 107 and eat and drink toward the table 108, the suction machine 98 is turned on by a switch (not shown). Drive. Then, the air in the restaurant booth 120 is sucked from the suction port 104, sterilized through the LED ultraviolet lamp 7, and cleaned. This sterilized and purified air is blown out from the outlet 102 of the ceiling portion 95, and the droplets contained in the exhaled air of the customer are sucked in again from the suction port 104, and then sterilized and cleaned through the LED ultraviolet lamp 7. After that, it is blown out again from the outlet 102 of the ceiling.

Next, the air blown out from the outlet 102 is removed by sucking the droplets contained in the exhaled breath of the customer from the suction port 104 again. After that, the sterilization treatment is repeated in the same order.

As described above, according to the present embodiment, as in the fifth embodiment, the air sucked from the suction port 104 is sterilized by the LED ultraviolet lamp 7, and the air is sent from the outlet 102 to the customers in the restaurant booth 120. By blowing air, control is not required, there is no change in appearance, and sterilized air can be blown out to customers in the restaurant booth. As a result, it is possible to sterilize the droplets generated from the exhaled breath of the customer in the restaurant booth.

Further, according to the present embodiment, the installation of the cross flow fan 30 can be omitted by blowing the air sucked by the suction machine 98 as in the fifth embodiment, so that the structure is simplified. It becomes possible.

[Other embodiments]
Although each embodiment of the present invention has been described, these embodiments are presented as examples and are not intended to limit the scope of the invention. These embodiments can be implemented in various other embodiments, and various omissions, replacements, changes, and combinations can be made without departing from the gist of the invention. These embodiments and variations thereof are included in the scope and the gist of the invention as well as the invention described in the claims and the equivalent scope thereof.

For example, in each embodiment of the above-mentioned air curtain device, an example in which the air curtain device of the present invention is installed in a building such as a store or a restaurant as a predetermined target space has been described, but the present invention is not limited to these. Closed spaces in buildings such as pavilions, theaters, karaoke boxes, theme parks, large commercial facilities, schools, trains, buses, live houses, stations, and other places where people are crowded, as well as indoors or outdoors. It can be applied to any place where people gather or where people meet each other. In particular, if the cross-flow fan 30 having the LED ultraviolet lamp 7 provided inside and configured to be movable is used, it can be installed in any place regardless of whether it is indoors or outdoors.

Further, in each embodiment of the above-mentioned air curtain device, when the air of the air curtain 11 is blown between each person and the mutual voices are blocked and it is difficult to hear each other, Bluetooth (registered trademark) and WiFi (registered trademark) are stored on the table 10A. Various short-range wireless communication functions such as Trademark), EnOcean, and Wi-SUN (Wireless Smart Utility Network) may be provided. Various short-range wireless communication functions are particularly effective at concert halls.

1 Air curtain device 7 LED UV lamp (air sterilizer)
10 Table 20 Air curtain unit 21 Suspended bolt 22 Suction part 27 Suction part 28 Blow-out part 30 Cross flow fan (air blower part)
30a Fan shaft 31 Blade 32 Disk 33 Support plate 34 Impeller 35 Motor 37 Suction port 60 Sterilization blower 61 Main body case 62 Power cord 63 Brag 64 Suction part 65 Filter 66 Blow-out part 67 Louver (angle adjustment member)
68 Operation knob 80 Sterilization blower 81 Clothes processing device 82 Storage room (target space)
83 Opening and closing door 84 Pole 85 Hanger 86 Rectifying plate 87 Suction part 90 Sterilization blower 91 Space sterilization booth 92 Storage room (target space)
93 Floor part 94 Side wall part 94a Inner wall part 94b Outer wall part 94c Space part 95 Ceiling part 96 Pole 97 Hanger 98 Suction machine 99 Opening 100 Single sliding door 100a Translucent window 101 Blower room (space part)
102 Blowout 103 Double sliding door 103a Translucent window 104 Suction port 105 Private room Office booth 106 Desk 107 Chair 108 Table 110 Private room Bed booth 112 Bed 115 Suction port 116 Caster 120 Restaurant booth 121 Blower room

Claims

An air curtain device that partitions a predetermined target space with air.
An air blower that blows air into the target space to form an air curtain,
An air sterilizing unit that sterilizes the air of the air curtain blown from the air blowing unit,
An air curtain device characterized by being provided with.
The air curtain device according to claim 1, wherein an ultraviolet lamp is installed in the air sterilizing unit.
An air blower that blows air so that at least the entire head of the user is covered with air,
An air sterilizer that sterilizes the air blown from the air blower, and an air sterilizer.
A sterilization blower characterized by being equipped with.
The sterilization blower according to claim 3, further comprising an angle adjusting member capable of adjusting the blowing angle of the air blown from the air blower unit.
An air suction unit provided around the target space and sucking air in the target space,
An air blower that blows the air over the entire target space,
An air sterilizer that sterilizes the air blown from the air blower, and an air sterilizer.
A sterilization blower characterized by being equipped with.
A target space for sterilization was formed by a floor surface portion, a side wall portion erected from the floor surface portion and provided with a door that can be opened and closed, and a ceiling portion provided so as to cover the upper end of the side wall portion. It is a sterilization blower
A space is formed from the side wall to the ceiling.
An air suction portion for sucking air from a suction port formed in the side wall portion is installed in the space portion.
An air sterilizing section for sterilizing the air sucked from the air sucking section is provided in the space section.
The sterilized air blown by the air blower installed in the space portion is configured to blow out the air sterilized by the air sterilizer portion into the target space from the outlet provided in the ceiling portion. Device.
A target space for sterilization was formed by a floor surface portion, a side wall portion erected from the floor surface portion and provided with a door that can be opened and closed, and a ceiling portion provided so as to cover the upper end of the side wall portion. It is a sterilization blower
A space portion is formed from the floor surface portion to the ceiling portion via the side wall portion.
An air suction portion for sucking air from a suction port formed on the floor surface portion is installed in the space portion.
An air sterilizing section for sterilizing the air sucked from the air sucking section is provided in the space section.
A sterilizing air blower configured to blow air sterilized by the air sterilizing unit into the target space from an outlet provided on the ceiling portion.