JP2023046703A - Desk-top sterilization system - Google Patents

Abstract

To provide a desk-top sterilization system capable of suppressing scattering of splash and capable of sterilizing an air containing the splash.SOLUTION: A desk-top sterilization system comprises: a support 10 installed on a table T and extending in a vertical direction; a fan device 2 provided on the support 10 above a lower end of the support 10 to suck in air and discharge the air from an outlet 21b opening upward; and an ultraviolet device 3 which is provided on the support 10 above the fan device 2 and irradiates the air flowing out from the outlet 21b with ultraviolet rays. Further, an air filter device 4 may be provided on the support 10 above the fan device 2 and through which the air flowing out from the outlet 21b passes.SELECTED DRAWING: Figure 1

Description

The present invention relates to a desktop sterilization system.

Conventionally, partitions are known that are provided on a table to prevent splashes from people seated. Such a partition is composed of a transparent panel and legs for supporting the panel in an upright state, as described in Patent Document 1, for example, and is placed on a table for use.

Utility Model Registration No. 3231849

However, with the above partition, although it is possible to block droplets between people seated facing each other, for example, droplets bounced back by the partition may scatter behind the seated person or may fly above the partition. There is a possibility of scattering. Furthermore, if the droplets contain a virus, the virus remains in the room, and there is still a risk of viral infection to other people in the room.

Accordingly, the present invention provides a tabletop sterilization system that suppresses the scattering of droplets on a tabletop and enables sterilization of air containing droplets.

A tabletop sterilization system according to an aspect of the present invention includes a support that is installed on a table and extends in a vertical direction, and an outlet that is provided on the support above the lower end of the support and opens upward by sucking air. and an ultraviolet device provided on the post above the fan device for irradiating the air flowing out from the outlet with ultraviolet rays.

In the tabletop sterilization system, at least part of the ultraviolet device may be arranged at a position overlapping with the outlet of the fan device when viewed from above.

In the tabletop sterilization system, the ultraviolet device has an ultraviolet light source that emits ultraviolet light, and a light source support that supports the ultraviolet light source from below and is fixed to the support, and the light source support includes: An air flow passage may be provided that penetrates in the vertical direction and allows the air flowing out from the outlet to flow.

In the tabletop sterilization system, the supports are provided in pairs on the tabletop at intervals in a direction that intersects the vertical direction, and the light source supports are arranged between the pairs of supports. , may be fixed to the struts at both ends.

In the tabletop sterilization system, the support columns are provided in pairs on the tabletop at intervals in a direction intersecting the vertical direction, and the fan device includes a rotating fan body and a fan body. and a fan case forming the outlet, wherein the fan case is arranged between the pair of the pillars and fixed to the pillars at both ends.

In the tabletop sterilization system, the pair of support columns and the fan device may form a lower opening on the tabletop and below the fan device.

The tabletop sterilization system may further include an air filter device provided on the column above the fan device and through which the air flowing out from the outlet passes.

In the tabletop sterilization system, the air filter device may be provided on the post above the ultraviolet device.

In the tabletop sterilization system, at least part of the air filter device may be arranged at a position overlapping the ultraviolet device when viewed from above.

In the tabletop sterilization system, the pillars are provided in pairs on the tabletop at intervals in a direction intersecting the vertical direction, and the air filter device includes a filter body for collecting air dust, and a filter case containing a filter body, wherein the filter case is disposed between the pair of pillars and fixed to the pillars at both ends.

In the tabletop sterilization system, the ultraviolet device and the air filter device may be arranged adjacent to each other in the vertical direction with an interval of 30 mm or less.

In the tabletop sterilization system, the fan device and the ultraviolet device may be arranged adjacent to each other in the vertical direction with an interval of 30 mm or less.

In the tabletop sterilization system, the lower end of the fan device may be arranged at a position separated from the lower end of the support by 500 mm or more in the vertical direction.

In the tabletop sterilization system, the fan device may be arranged within a range of 1/2 or less of the length of the support in the vertical direction from the upper end of the support.

The tabletop sterilization system may further include a partition panel that protrudes from the column in the depth direction of the tabletop and partitions the space on the tabletop in a width direction that intersects the depth direction.

The tabletop sterilization system may further include a front cover that is provided on the post and covers the outlet of the fan device and the ultraviolet device from the depth direction on the tabletop.

According to the tabletop sterilization system described above, it is possible to suppress the scattering of droplets and to sterilize air containing droplets.

1 is an overall perspective view of a tabletop sterilization system according to an embodiment of the present invention; FIG. 1 is a front view of a tabletop sterilization system according to an embodiment of the present invention; FIG. FIG. 11 is an overall perspective view of a tabletop sterilization system according to a first modified example of the embodiment of the present invention; FIG. 11 is an overall perspective view of a tabletop sterilization system according to a second modified example of the embodiment of the present invention; FIG. 11 is an overall perspective view of a tabletop sterilization system according to a third modified example of the embodiment of the present invention;

(overall structure)
A tabletop sterilization system according to an embodiment of the present invention will be described below.
The desktop sterilization system 100 is installed on a desk T such as a table or a desk. As shown in FIG. 1, the tabletop sterilization system 100 includes a frame 1, and a fan device 2, an ultraviolet device 3, and an air filter device 4 provided on the frame 1. As shown in FIG.

(flame)
The frame 1 has a pair of struts 10 extending in the vertical direction D3 and a lower frame 11 connecting the struts 10 to each other at their lower ends.
A pair of pillars 10 are provided on the table T with an interval in a widthwise direction D1 which is a direction crossing the vertical direction D3. Each strut 10 has, for example, a square bar shape or a round bar shape. A power supply device (including a wiring board and the like) (not shown) for supplying electric power to the fan device 2 and the ultraviolet device 3, which will be described later in detail, is provided in the column 10 . This power supply device may be provided with wiring extending to the outside of the column 10 and connected to an indoor socket (outlet), or the power supply device itself may have a battery that supplies power to the fan device 2 and the ultraviolet device 3. You may have

The lower frame 11 has a plate shape extending in the width direction D1, and connects the pair of supports 10 to each other at the lower ends of the supports 10 . When the tabletop sterilization system 100 is placed on the table T, the lower surface of the lower frame 11 contacts the upper surface of the table T together with the lower surface of the support 10, so that the tabletop sterilization system 100 can stand on the table T. It has become.

(Fan device)
The fan device 2 is provided on the column 10 above the lower end of the column 10 . In this embodiment, the fan device 2 is a cross-flow fan, and extends in the width direction D1 so as to be sandwiched between a pair of struts 10 . Specifically, the fan device 2 has a rotating fan body 20 and a fan case 21 that houses the fan body 20 .

The fan main body 20 is rotatable around a rotation axis O extending in the width direction D1.
The fan case 21 has a box-like shape that accommodates the fan main body 20 inside, and is arranged between the pair of pillars 10 . Both ends of the fan case 21 in the width direction D1 are fixed to the supports 10, respectively. The lower end of the fan case 21 is located above the lower end of the column 10 , that is, the lower end of the lower frame 11 .

The fan case 21 is also formed with an air suction port 21a that opens downward and a blowout port 21b that opens upward. Therefore, the fan device 2 sucks air from the suction port 21a and blows air upward from the blowout port 21b.

The fan case 21 forms a lower opening X on the table T together with a frame 1 including a pair of pillars 10 and a lower frame 11 . That is, the lower opening X is surrounded by the fan case 21 and the frame 1, is arranged below the fan device 2, and opens in the depth direction D2. Here, the depth direction D2 indicates the direction away from the person when facing the table T, and indicates the direction perpendicular to the width direction D1.

The lower opening X is preferably formed at a position overlapping at least part of the face of the person using the table T, for example. In this embodiment, the lower end of the fan case 21 is arranged at a position separated by 500 mm or more from the lower end of the support column 10, and the lower opening X is formed at least to a position higher than the mouth of the person using the table T while seated. . Further, the fan case 21 is preferably arranged within a range from the upper end of the column 10 to 1/2 or less of the length dimension of the column 10 in the vertical direction D3. That is, when looking at the tabletop sterilization system 100 as a whole, it is preferable that the fan device 2 is provided at a position higher than the central position in the vertical direction D3.

(Ultraviolet device)
The ultraviolet device 3 is provided on a post 10 above the fan device 2 . Further, the ultraviolet device 3 extends in the lateral width direction D1 so as to be sandwiched between the pair of struts 10 . Specifically, the ultraviolet device 3 has an ultraviolet light source 30 that emits ultraviolet light and a light source support 31 that supports the ultraviolet light source 30 from below.

The light source support 31 is arranged between the pair of supports 10 . Both ends of the light source support 31 in the width direction D1 are fixed to the supports 10, respectively. The light source support 31 is fixed to the column 10 above the fan device 2 . In this embodiment, the light source support 31 and the fan device 2 are arranged adjacent to each other in the vertical direction D3 with a spacing S1 of 30 mm or less, and more preferably, the spacing S1 is 5 mm or more ( See Figure 2).

The light source supporter 31 is provided with an air flow passage 31a through which the air flowing out from the outlet 21b of the fan device 2 can flow. At least a portion of the airflow passage 31a overlaps the outlet 21b when viewed from above. In this embodiment, the light source support 31 has a rectangular plate shape, and the air flow passage 31a penetrates the light source support 31 in the vertical direction D3 in a region including the center position of the light source support 31 in the width direction D1. It is an elongated hole extending in the width direction D1.

The ultraviolet light source 30 is, for example, an ultraviolet lamp that emits ultraviolet rays so as to irradiate the air with ultraviolet rays. A fluorescent lamp or an LED can be adopted as the ultraviolet light source 30 . The ultraviolet light source 30 preferably emits deep ultraviolet rays (UV-C) having a wavelength of 100 to 280 nm among ultraviolet rays.
The ultraviolet light source 30 is arranged above the light source support 31 and supported by the light source support 31 from below. At least a portion of the ultraviolet light source 30 overlaps the air flow passage 31 a in the light source support 31 when viewed from above.

Furthermore, at least part of the ultraviolet device 3 overlaps the outlet 21b of the fan device 2 when viewed from above. In particular, it is preferable that at least part of the ultraviolet light source 30 overlaps the outlet 21b. At least part of the ultraviolet light source 30 is preferably opposed to the outlet 21b in the vertical direction D3 via the air flow passage 31a.

The ultraviolet light source 30 irradiates the air flowing upward from the outlet 21b of the fan device 2 with ultraviolet rays to sterilize the air.

(air filter device)
The air filter device 4 is provided on the post 10 above the ultraviolet device 3 . Also, the air filter device 4 extends in the lateral width direction D1. Specifically, the air filter device 4 has a filter body 40 that collects air dust and a filter case 41 that houses the filter body 40 .

As the filter main body 40, for example, a HEPA filter (High Efficiency Particulate Air Filter) or the like can be adopted, which removes dirt, dust, and the like from the air.

The filter case 41 has a box shape that accommodates the filter body 40 inside, and is arranged between the pair of support columns 10 . Both ends of the filter case 41 in the width direction D1 are fixed to upper ends of the support columns 10 from above. The filter case 41 is fixed to the post 10 above the ultraviolet device 3 . In this embodiment, the filter case 41 and the ultraviolet device 3 are arranged adjacent to each other in the vertical direction D3 with an interval S2 of 30 mm or less, and more preferably, the interval S2 is 5 mm or more (FIG. 2). reference).

The filter case 41 is formed with an air inlet 41a opening downward and an air outlet 41b opening upward. The air flows into the filter main body 40 through the inlet 41a, passes through the filter main body 40, and then flows upward through the outlet 41b.

Here, at least part of the air filter device 4 overlaps the UV device 3 as seen from above. In particular, it is preferable that at least a part of the inlet 41 a of the air filter device 4 overlaps with the ultraviolet light source 30 . Furthermore, at least part of the inlet 41a may face the outlet 21b in the vertical direction D3 via the air flow passage 31a.

(Effect)
With respect to the tabletop sterilization system 100 described above, droplets from a person facing the depth direction D2 are directed toward the depth side (forward) and upward in the depth direction D2. Then, the droplets are sucked into the fan device 2 together with the air, and are blown upward from the outlet 21b. After that, the air containing the droplets is irradiated with ultraviolet rays by the ultraviolet device 3 and is sterilized. After the sterilization, the air moves upward again, is collected by the air filter device 4, and flows out from the outlet 41b to the upper side of the desktop sterilization system 100 (see FIG. 2).

As a result, even if the droplets contain a virus, it is possible to prevent the virus from scattering and remaining in the room. Therefore, virus infection by droplets can be suppressed.

Furthermore, since at least a part of the ultraviolet device 3 overlaps the air outlet 21b of the fan device 2 when viewed from above, the air is blown out from the air outlet 21b toward the ultraviolet device 3, and flows out from the air outlet 21b. It becomes possible to irradiate more ultraviolet rays to the air that has been treated, and the sterilization effect can be enhanced. In addition, in this embodiment, the ultraviolet ray device 3 and the fan device 2 are arranged in the vertical direction D3 with a space S1 of 30 mm or less between them. there is Therefore, most of the air flowing out from the blower outlet 21b can be sent around the ultraviolet device 3, and the sterilization effect can be further enhanced.

Further, since the light source support 31 in the ultraviolet device 3 is provided with the air flow path 31a, it is possible to prevent the light source support 31 from blocking the upward flow of the air flowing out from the outlet 21b. That is, even if the light source support 31 is arranged above and adjacent to the fan device 2 and the ultraviolet light source 30 is arranged further above the light source support 31, the air from the fan device 2 can flow smoothly to the ultraviolet light source 30. can lead. Therefore, the sterilization effect of the ultraviolet device 3 can be further enhanced.

Furthermore, since the fan device 2 is provided between the pair of pillars 10, the frame 1 and the fan device 2 form a frame shape. That is, the pair of struts 10 and the fan device 2 form a portal structure. Therefore, the tabletop sterilization system 100 can be made self-supporting on the table T, and the strength of the tabletop sterilization system 100 can be improved.

Similarly, since the ultraviolet device 3 and the air filter device 4 are provided between the pair of supports 10, the strength of the tabletop sterilization system 100 can be further improved.

The fan device 2 is arranged at the lower end of the column 10, that is, at a position away from the table T in the vertical direction D3, and is arranged at a position closer to the top of the tabletop sterilization system 100 as a whole. In particular, in this embodiment, the lower end of the fan case 21 is arranged at a position 500 mm or more away from the lower end of the column 10, and is within a range of 1/2 or less of the length dimension of the column 10 in the vertical direction D3 from the upper end of the column 10. are placed. Therefore, the fan device 2 can suck in the upward droplets coming out of the person in the flow direction of the droplets. Therefore, smooth suction of droplets is possible.

Since a lower opening X surrounded by the frame 1 and the fan device 2 is formed on the table T below the fan device 2, a person facing the depth direction D2 across the tabletop sterilization system 100 When they talk to each other, it becomes easier for their voices to pass through.

Further, since the ultraviolet device 3 is arranged above the fan device 2 and the air filter device 4 is arranged above the ultraviolet device 3, the ultraviolet device 3 can be arranged close to the fan device 2, and the position close to the outlet 21b. can irradiate the air with UV light. Therefore, the sterilization effect can be enhanced.

Furthermore, since at least part of the air filter device 4 overlaps the ultraviolet device 3 when viewed from above, the air that has been sterilized by the ultraviolet device 3 easily flows toward the air filter device 4 . Therefore, the dust collection effect of the air after sterilization can be enhanced. Further, in the present embodiment, the air filter device 4 is arranged in the vertical direction D3 with an interval S2 of 30 mm or less between it and the ultraviolet device 3, so that the air filter device 4 and the ultraviolet device 3 are close to each other. are placed. Therefore, it becomes easier for the air that has been sterilized to flow into the air filter device 4 .

The present invention is not limited to the above-described embodiments, and it goes without saying that various modifications can be made without departing from the gist of the present invention.

For example, the air filter device 4 may be omitted. Alternatively, the air filter device 4 may be provided above and adjacent to the fan device 2 , and the ultraviolet device 3 may be provided above and adjacent to the air filter device 4 . The fan device 2 is not limited to a cross-flow fan, and may be a centrifugal fan, an axial-flow fan, a diagonal-flow fan, or the like.

Also, a blocking plate (for example, a transparent resin plate) that blocks the lower opening X may be provided.

Further, as shown in FIG. 3, the tabletop sterilization system 100 may further include a partition panel 6 . The partition panel 6 is provided on the tabletop so as to protrude from the post 10 in the depth direction D2, and partitions the space above the table T in the width direction D1. The partition panel 6 is made of, for example, a transparent resin plate. The partition panel 6 is detachably attached to the strut 10, for example, from the outside in the width direction D1. For example, the partition panel 6 may be attached to the column 10 so as to be sandwiched in the width direction D1 between the column 10 and a column cover 10x attached to the column 10 from the outside in the width direction D1. Also, the partition panel 6 may be provided only on the front side or only on the back side in the depth direction D2. In this case, the partition panel 6 may be divided into a front side and a back side with respect to the column 10 . Also, the partition panel 6 may be provided only on one of the columns 10 in the width direction D1.

Further, as shown in FIG. 4 , a front cover 7 that covers the air outlet 21 b of the fan device 2 and the ultraviolet device 3 may be provided on the column 10 . The front cover 7 is arranged between the pair of pillars 10, and is provided on the near side and the far side in the depth direction D2 with respect to the pillars 10 so as to overlap the fan device 2 and the ultraviolet device 3 when viewed in the depth direction D2. It is a plate-shaped member. The front cover 7 is preferably made of, for example, a metallic material that reflects ultraviolet rays. In this case, the strut 10 and the front cover 7 form sealed spaces between the outlet 21b and the air flow path 31a and between the air flow path 31a and the inlet 41a. The outflowing air is guided by the inner surface of the front cover 7 and circulates upward toward the ultraviolet device 3 in the closed space, so that the air can be irradiated with more ultraviolet rays and the sterilization effect can be improved. Further, the air irradiated with the ultraviolet rays is guided by the front cover 7 and circulates upward in the sealed space, and the air can flow into the air filter device 4 as it is, so that the dust collection effect can be improved.

A rotation speed adjusting device for the fan main body 20 may be installed at the end of the front cover 7 in the width direction D1 (for example, on the right side of the front cover 7). Such an adjustment device is, for example, a dial, and the user of the table T adjusts the rotational speed of the fan according to his/her preference, thereby adjusting the amount of air sucked in and reducing the noise from the fan main body 20. It becomes possible to The installation position of such a rotation speed adjusting device is not particularly limited, and it may be installed on the column 10, for example.

Alternatively, as shown in FIG. 5, the frame 1 may be composed of only one strut 10. In addition, as shown in FIG. In this case, the support 10 is fixed on the table T, and the support 10 supports the fan device 2, the ultraviolet device 3, and the air filter device 4 in a cantilever manner.

According to the desktop sterilization system of the present invention, it is possible to suppress the scattering of droplets and to sterilize air containing droplets.

2 Fan device 3 Ultraviolet device 4 Air filter device 6 Partition panel 7 Front cover 10 Strut 20 Fan body 21 Fan case 21a Suction port 21b Air outlet 30 Ultraviolet light source 31 Light source support 31a ... Air flow passage 40 ... Filter body 41 ... Filter case 100 ... Tabletop sterilization system D1 ... Width direction D2 ... Depth direction S1 ... Spacing S2 ... Spacing T ... Table X ... Lower opening

Claims (16)

A pillar that is installed on a table and extends vertically,
a fan device provided on the support above the lower end of the support for sucking in air and discharging the air from an air outlet opening upward;
an ultraviolet device that is provided on the support above the fan device and that irradiates the air flowing out from the air outlet with ultraviolet rays;
Equipped with a tabletop disinfection system. 2. The tabletop sterilization system according to claim 1, wherein at least part of said ultraviolet device is arranged at a position overlapping said outlet of said fan device when viewed from above. The ultraviolet device is
an ultraviolet light source that emits ultraviolet light;
a light source support that supports the ultraviolet light source below and is fixed to the support;
3. The tabletop sterilization system according to claim 2, wherein the light source support is provided with an air flow passage penetrating in the vertical direction and through which the air flowing out from the outlet can flow. The posts are provided in pairs on the tabletop at intervals in a direction intersecting the vertical direction,
4. The tabletop sterilization system according to claim 3, wherein the light source support is arranged between the pair of pillars and fixed to the pillars at both ends. The posts are provided in pairs on the tabletop at intervals in a direction intersecting the vertical direction,
The fan device is
a rotating fan body;
a fan case that houses the fan body and forms the outlet;
has
5. The tabletop sterilization system according to any one of claims 1 to 4, wherein the fan case is arranged between the pair of pillars and fixed to the pillars at both ends. 6. The tabletop sterilization system according to any one of claims 1 to 5, wherein the supporting column and the fan device that form a pair form a lower opening on the tabletop and below the fan device. 7. The tabletop sterilization system according to any one of claims 1 to 6, further comprising an air filter device provided on the support above the fan device and through which the air flowing out from the outlet passes. 8. The tabletop sterilization system according to claim 7, wherein the air filter device is provided on the post above the ultraviolet device. 9. The tabletop sterilization system according to claim 7 or 8, wherein at least part of said air filter device is arranged in a position overlapping said ultraviolet device when viewed from above. The posts are provided in pairs on the tabletop at intervals in a direction intersecting the vertical direction,
The air filter device is
a filter body that collects air dust;
a filter case that houses the filter body;
has
10. The tabletop sterilization system according to any one of claims 7 to 9, wherein the filter case is arranged between the pair of pillars and fixed to the pillars at both ends. The tabletop sterilization system according to any one of claims 7 to 10, wherein the ultraviolet ray device and the air filter device are arranged adjacent to each other in the vertical direction with an interval of 30 mm or less. The tabletop sterilization system according to any one of claims 1 to 11, wherein the fan device and the ultraviolet device are arranged adjacent to each other in the vertical direction with an interval of 30 mm or less. 13. The tabletop sterilization system according to any one of claims 1 to 12, wherein the lower end of the fan device is arranged at a position separated from the lower end of the support by 500 mm or more in the vertical direction. The tabletop sterilization according to any one of claims 1 to 13, wherein the fan device is arranged within a range of 1/2 or less of the vertical length of the support from the upper end of the support. system. The tabletop sterilization according to any one of claims 1 to 14, further comprising a partition panel that protrudes from the support in the depth direction of the tabletop and partitions the space on the tabletop in a width direction that intersects the depth direction. system. 16. The tabletop sterilization system according to any one of claims 1 to 15, further comprising a front cover provided on the support and covering the outlet of the fan device and the ultraviolet device from the depth direction of the tabletop.

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