JP6903838B1 - UV sterilizer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an ultraviolet sterilizer capable of preventing ultraviolet rays from being radiated to the outside and preventing adverse effects on people and various members in the room even if they are arranged and used indoors. SOLUTION: A sterilization chamber 20 having an ultraviolet lamp 22 inside, an introduction unit 30 for introducing air into the sterilization chamber 20, a discharge unit 40 for discharging air from the sterilization chamber 20, and introduction by introducing air from the outside. A unit 30, a sterilization chamber 20, a fan 11 that flows into the sterilization chamber 20 and discharges to the outside, and an ultraviolet sterilizer 10 provided in the casing 12, and the introduction portion 30 is a partition wall 17 that partitions the sterilization chamber 20. A cap-shaped damper 33 that covers the protruding tubular portion 31, the end opening 31a of the tubular portion 31 and the end opening 31b in the vicinity of the end opening 31a, and partitions the introduction path 32 between the tubular portion 31. , And the ultraviolet rays of the ultraviolet lamp 22 are shielded by the partition wall 17, the tubular portion 31, and the damper 33. [Selection diagram] Fig. 1

Description

The present invention relates to an ultraviolet sterilizer that sterilizes and emits air introduced into a sterilization chamber having an ultraviolet light emitting unit.

Conventionally, there are various known ultraviolet sterilizers configured to introduce air from the outside into a sterilization chamber having an ultraviolet light emitting unit, sterilize by irradiating with ultraviolet rays, and emit the air to the outside.
For example, in Patent Document 1 below, an air supply fan is arranged at one end of an elongated housing and a filter is arranged at the other end, and ultraviolet rays are emitted between the fan and the filter in the housing. An ultraviolet sterilizer in which a light source is arranged has been proposed.
Such an ultraviolet sterilizer was placed indoors and sterilized by circulating the air in the room.

Utility Model Registration No. 322157

However, in the conventionally known ultraviolet sterilizer, although a light source that emits ultraviolet rays is housed and arranged in a casing of various housings or the like, the ultraviolet rays are externally emitted from a gap such as a part where air is introduced or discharged. It was easy to leak.

When such an ultraviolet sterilizer is installed indoors, the leaked ultraviolet rays irradiate structures such as ceilings, walls, and floors in the room and articles placed in the room for a long time. These various members were easily deteriorated by ultraviolet rays, and the plastic members were significantly deteriorated. In addition, the people in the room are also irradiated with ultraviolet rays, which may cause health problems.

Therefore, an object of the present invention is to provide an ultraviolet sterilizer capable of preventing ultraviolet rays from being radiated to the outside and preventing adverse effects on people and various members in the room even if they are arranged and used indoors.

In order to achieve the above object, the ultraviolet sterilizer of the present invention is used by arranging it indoors, and has a sterilization chamber having an ultraviolet light emitting portion inside, an introduction portion for introducing indoor air into the sterilization chamber, and a sterilization chamber. An ultraviolet sterilizer provided inside the casing, which is a release unit that discharges air from the outside, and a fan that introduces air from the outside room and flows it into the introduction unit, sterilization chamber, and discharge unit to discharge it to the outside. The sterilization chamber was separated from the introduction portion by a partition wall and communicated with the introduction portion by a long hole opening provided in the partition wall, and the introduction portion was projected through the distribution chamber communicating with the long hole opening in the partition wall. It has a tubular portion, a cap-shaped damper that covers the end opening of the tubular portion and the outer periphery in the vicinity of the end opening with a gap, and divides the introduction path between the tubular portion, and is introduced through the introduction path. The air to be sterilized can be supplied to the sterilization chamber through the elongated opening of the partition wall, and the ultraviolet rays of the ultraviolet light emitting portion are blocked by the partition wall, the cylinder portion and the damper.

The ultraviolet sterilizer of the present invention, the casing has between sky accommodating member is a part of the introduction part is housed, it is preferable damper is disposed in between the sky.
The ultraviolet sterilizer, the unit exits release, may include a discharge passage which is provided by bending up the discharge opening to the outside from the sterilization chamber.
Further, the sterilization chamber and the discharge path are partitioned by a front wall and a back wall, an upper partition wall having a long hole opening, a bottom wall, and a pair of side partition walls, and the sterilization chamber and the discharge path are partitioned by a common partition wall. It is preferable that the front wall, the back wall, the upper surface partition wall, the bottom surface wall, and the common partition wall are arranged in different directions and the adjacent walls are continuous via a concave curved surface.

Further, in the ultraviolet sterilizer of the present invention, the sterilization chamber and the discharge path are partitioned by a common partition wall arranged parallel to the upper surface partition wall between a pair of side walls arranged parallel to each other between the upper surface partition wall and the bottom surface wall. , The cross-sectional area of the sterilization chamber orthogonal to the flow direction of air may be provided wider than the discharge path.
In that case, an outlet for flowing the treated air from the sterilization chamber into the discharge path is provided at the tip of the common partition wall, and the outlet side tip of the sterilization chamber in the common partition wall is formed in a concave curved surface shape curved toward the sterilization chamber side. Is good.

According to the present invention, the air introduced from the introduction part is sterilized by the ultraviolet rays from the ultraviolet light emitting part in the sterilization chamber and discharged from the emission part, and the introduction part serves as a partition partition partitioning the sterilization chamber. It is provided with a protruding tubular portion and a cap-shaped damper that divides an introduction path between the tubular portion and the tubular portion by covering the end portion of the tubular portion. Therefore, by appropriately setting the gap between the cylinder and the damper, it is possible to introduce the air to be treated into the sterilization chamber at an appropriate flow rate and sufficiently sterilize with ultraviolet rays.
Moreover, since the damper not only covers the end opening of the tubular portion but also covers the end opening of the tubular portion and the outer periphery in the vicinity of the end opening, the introduction path can be bent and provided, and the introduction path can be provided as a partition wall. Can be opened towards. Therefore, it is possible to surely prevent the ultraviolet rays emitted in the sterilization room from being radiated to the outside through the introduction path, and even if the ultraviolet sterilizer is arranged and used indoors, there is a risk that the ultraviolet rays will be irradiated to people and members in the room. There is no.
Therefore, according to the present invention, it is possible to provide an ultraviolet sterilizer that can prevent ultraviolet rays from being radiated to the outside and can prevent adverse effects on people and various members in the room even if they are arranged and used indoors. is there.

In the present invention, if the casing has a storage space in which the storage member is housed and the damper is arranged in the storage space, it is not necessary to arrange the damper outside the casing, and the outer shape of the ultraviolet sterilizer can be changed. Since it can be formed slim without being bulky and the radiation of ultraviolet rays in the sterilization chamber can be prevented by a damper, it is possible to prevent the accommodation members housed in the storage space from being irradiated with ultraviolet rays.
Therefore, it is possible to accommodate even those that are easily affected by ultraviolet rays, such as resin members, in the accommodation space, and it is possible to accommodate various members in the accommodation space and make effective use of them. it can.

In the present invention, when the partition walls arranged in different directions and adjacent to each other in the air flow direction are continuous via a concave curved surface, the flow of air flowing along the partition walls in the sterilization chamber is caused by the adjacent partition walls. It is hard to be disturbed between them. Therefore, it is possible to irradiate ultraviolet rays while stably flowing the air flowing down from the sterilization chamber, the sterilization treatment of the flowing air is unlikely to occur, and the entire air flow can be stably and evenly sterilized.

Further, if the discharge portion has a discharge path provided by bending from the sterilization chamber to the discharge opening to the outside, it is possible to prevent the ultraviolet rays in the sterilization chamber from leaking to the outside from the discharge opening, and the ultraviolet rays can be more reliably emitted to the outside. Can be prevented from being radiated to.

Further, in the present invention, the sterilization chamber and the discharge passage are separated by a common partition wall, the width of the sterilization chamber and the width of the discharge passage are equal, and the cross-sectional area of the sterilization chamber orthogonal to the air flow direction is from the discharge passage. If it is widely provided, it is possible to simply configure a discharge path that can prevent ultraviolet rays in the sterilization chamber from leaking to the outside. In addition, the residence time of air in the sterilization chamber can be secured for a long time, and sufficient sterilization treatment can be performed in the sterilization chamber.

In that case, if the outlet side tip of the sterilization chamber in the common partition wall is formed in a concave curved shape curved toward the sterilization chamber side, it is possible to make it more difficult for ultraviolet rays in the sterilization chamber to leak to the discharge path side.

It is sectional drawing of the ultraviolet irradiation apparatus which concerns on embodiment of this invention. FIG. 1 is a cross-sectional view taken along the line AA of FIG.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
As shown in FIGS. 1 and 2, the ultraviolet sterilizer 10 of the present embodiment introduces the sterilization chamber 20, the introduction unit 30 that introduces the air to be treated into the sterilization chamber 20, and the treated air from the sterilization chamber 20. A discharge unit 40 for discharging, a fan 11 for introducing air from the outside, flowing the air into the introduction unit 30, the sterilization chamber 20, and the discharge unit 40, and discharging the air to the outside again are provided, and these are integrally contained in the casing 12. It is installed.

The casing 12 is made of a hollow rigid housing. The shape is arbitrary, and openings, lids, windows, etc. may be provided, and accessory members such as various functional members of the ultraviolet sterilizer 10 and various functional members for purposes different from sterilization are provided outside or inside. You may.
The casing 12 of the present embodiment has, for example, a rectangular parallelepiped shape having a width of about 300 mm, a thickness of about 100 mm, and a height of about 150 mm. An air discharge opening 41 to the outside is provided. Further, a hanging plate 13 for hanging and mounting on a wall or the like in the room is mounted on the upper part.

The casing 12 of the present embodiment is further provided with a switch 14a for operating the ultraviolet sterilizer 10 and a display unit 14b such as a lamp indicating an operating state on the outside, which is necessary for driving the ultraviolet sterilizer 10. A casing 16 for accommodating various electrical components 15 is provided in the upper part of the interior. The accommodation space 16 is shared as a part of the introduction unit 30. Although detailed illustration is omitted, a connection portion with an external power supply is also provided.

The casing 12 can be formed of any material, and for example, resin or the like may be used.
In the present embodiment, since a part of the wall of the casing 12 is shared as a partition wall for partitioning the sterilization chamber 20 and the discharge unit 40, ultraviolet rays are emitted for a long period of time like the partition wall 17 of the sterilization chamber 20 and the discharge unit 40 described later. It is made of a material that does not deteriorate or is unlikely to deteriorate even when irradiated.

The sterilization chamber 20, the introduction portion 30, and the discharge portion 40 are formed by partitioning the inside of the casing 12 by various partition walls 17. These may be formed separately from the casing 12 and incorporated into the casing 12, or may be integrally formed with the casing 12.

In the present embodiment, by arranging a plurality of partition walls 17 in different directions in the casing 12, the accommodation space 16 and the introduction portion 30 are partitioned in the upper part, and the sterilization chamber 20 and the discharge portion 40 are partitioned in the lower part. ..
As each partition wall 17, a plate material made of, for example, a surface-treated steel plate, aluminum, stainless steel, etc., which does not or is unlikely to deteriorate even when irradiated with ultraviolet rays for a long period of time, may be used.

The sterilization chamber 20 is a pair of side partition walls 17a arranged in parallel facing each other on both sides in the width direction so as to partition the upper surface partition wall 17a partitioning the accommodation space 16 and the lower central portion of the upper surface partition wall 17a. It is composed of a space partitioned by a common partition wall 17c for partitioning from the emission unit 40 described later, and a front wall 12a and a back wall 12b of the casing 12, and an ultraviolet lamp 22 as an ultraviolet light emitting unit is arranged inside. ing.

As the ultraviolet lamp 22, for example, a straight tube type lamp having a double tube structure in which a linear inner valve that generates ultraviolet rays by discharge is housed in an outer tube valve such as glass, a U-shaped tube lamp, or the like is used. You may. The light emission preferably contains ultraviolet rays of 300 nm or less, more preferably ultraviolet rays of 200 nm to 280 nm.

Connection portions are provided at both ends of the ultraviolet lamp 22, and are provided on a pair of side partition walls 17b, respectively. The ultraviolet lamp 22 is arranged on the entire length in the width direction at the center of the sterilization chamber 20 when it is attached to the sterilization chamber 20 by using the connection portion.
The ultraviolet lamp 22 is arranged in a direction substantially orthogonal to the flow direction of the air flowing in the sterilization chamber 20, and the ultraviolet rays emitted from the ultraviolet lamp 22 uniformly irradiate the entire air flowing in the sterilization chamber 20. Arranged to be.

The upper partition wall 17a is provided with an elongated hole-shaped opening 23 having a width and length substantially equal to the diameter of the ultraviolet lamp 22 so as to communicate with the introduction portion 30 at a position facing the ultraviolet lamp 22. ing. A pair of guide fins 24 projecting toward the ultraviolet lamp 22 are provided on both measuring edges of the elongated hole opening 23 on the sterilization chamber 20 side.

The pair of side partition walls 17b are arranged between the top surface partition wall 17a and the bottom wall 12d of the casing 12 with a width corresponding to the length of the ultraviolet lamp 22. It prevents the entire width of the air particles flowing through the sterilization chamber 20 from being exposed to ultraviolet rays.
The common partition wall 17c is arranged between the pair of side partition walls 17b substantially parallel to the upper surface partition wall 17a, and separates the sterilization chamber 20 and the discharge path 42 of the discharge section 40. The space between the upper partition wall 17a and the common partition wall 17c is a range in which the ultraviolet rays from the ultraviolet lamp 22 can be irradiated with sufficient intensity to the air flowing through the sterilization chamber 20.

It is preferable that the cross-sectional area and volume are set so that the air to be treated can appropriately stay in the sterilization chamber 20. For example, the volume of the sterilization chamber 20 ensures a sufficient irradiation time of ultraviolet rays from the ultraviolet lamp 22. It is set so that it can be done. This volume can be set according to the emission intensity of the ultraviolet lamp, the flow rate of the air flow, and the like.

In the present embodiment, among the partition walls 17 that partition the sterilization chamber 20, the partition walls 17 that are arranged in different directions and are adjacent to each other in the air flow direction are continuous via the concave curved surface 17d. Specifically, between the upper surface partition wall 17a and the front wall 12a and the back wall 12b of the casing 12, and between the front wall 12a of the casing 12 and the common partition wall 17c are continuous by an R-shaped concave curved surface 17d.
Further, the tip of the common partition wall 17c on the outlet side of the sterilization chamber 20 is also an R-shaped concave curved surface 17d curved toward the sterilization chamber 20 side.

The introduction unit 30 includes an introduction opening 21 provided in the side wall 12c of the casing 12 surrounding the accommodation space 16, a fan 11 mounted on the introduction opening 21 to introduce external air, the accommodation space 16 and the sterilization chamber 20. The introduction path 32 is partitioned between the tubular portion 31 that is provided so as to project from the upper surface partition wall 17a that partitions the cylinder portion 31 and the end opening 31a of the tubular portion 31 and the end opening 31b in the vicinity of the end opening 31a. It has a cap-shaped damper 33 and a cap-shaped damper 33.

In this embodiment, in order to evenly supply the air introduced from the tubular portion 31, which is smaller than the width of the sterilization chamber 20 and the ultraviolet lamp 22, to the sterilization chamber 20 and the ultraviolet lamp 22 through the elongated hole opening 23 of the upper partition wall 17a. The upper partition wall 17a is provided with a retention distribution chamber 34 having a width equal to the width of the sterilization chamber 20, and a tubular portion 31 is provided so as to project through the retention distribution chamber 34.

Further, the retention distribution chamber 34 temporarily retains air at a position in contact with the upper surface partition wall 17a of the sterilization chamber 20 irradiated with ultraviolet rays, so that the air is preheated by the heat from the sterilization chamber 20 and introduced into the sterilization chamber. It is possible. When sterilizing the air to be treated by irradiating it with ultraviolet rays, the sterilization effect can be improved by irradiating the air to be treated in the range of, for example, about room temperature ± 2 ° C.

The tubular portion 31 is provided so as to project into the accommodation space 16 from the upper wall 34a of the retention distribution chamber 34. The shape of the tubular portion 31 is not particularly limited, and any end opening 31a may be provided so as to project into the accommodation space 16.
On the other hand, the damper 33 is formed in a cap shape so as to cover the end opening 31a of the tubular portion 31 and the end opening 31b in the vicinity of the end opening 31a. The damper 33 is arranged in the accommodation space 16 and is fixed by adjusting the position by the bracket 35 fixed to the end opening 31a and the end opening 31b in the vicinity of the end opening 31a.

An introduction for introducing the air in the accommodation space 16 introduced by the fan 11 into the sterilization chamber 20 between the end opening 31a of the tubular portion 31 and the end opening 31b near the end opening 31a and the damper 33. A road 32 is provided. By adjusting the position of the damper 33, an introduction path 32 having an appropriate cross-sectional area is formed.
Further, by covering the end opening 31a and the end opening 31b in the vicinity thereof with such a damper 33, the introduction path 32 formed around the outer circumference of the tubular portion 31 is placed on the upper partition wall 17a and the retention distribution chamber 34. It can be opened toward the wall 34a. Therefore, even if ultraviolet rays leak from the sterilization chamber 20 to the introduction portion 30, it is difficult for them to diffuse into the accommodation space 16.

The discharge portion 40 opens at a discharge path 42 formed on the bottom wall 12d side of the casing 12 and a lower portion of the front wall 12a of the casing 12 by partitioning the pair of side partition walls 17b from the sterilization chamber 20 by a common partition wall 17c. It has a discharge opening 41 provided in the above.

The discharge path 42 is provided so that the path to the release opening 41 is bent with respect to the sterilization chamber 20. Further, since the discharge path 42 is provided in the entire width between the pair of side partition walls 17b, it has a width equivalent to that of the sterilization chamber 20, and the cross-sectional area orthogonal to the air flow direction is provided narrower than that of the sterilization chamber 20. ing.
Further, the discharge opening 41 is provided with a filter, a mesh, or the like.

The ultraviolet sterilizer 10 of the present embodiment is used by being placed in a room such as a tabletop or hung on a wall surface or the like.
When operating, the air in the room is continuously sucked from the introduction portion 30 by the fan 11 and introduced into the accommodation space 16, and this air is introduced between the cylinder portion 31 of the introduction portion 30 and the damper 33. It is introduced into the retention distribution chamber 34 through.
At this time, since the opening amount is adjusted by the damper 33, air can be introduced into the retention distribution chamber 34 at a preset flow rate.

In the retention distribution chamber 34, the air introduced from the tubular portion 31 is in contact with the upper surface partition wall 17a and stays there, so that the temperature is raised to an appropriate temperature and diffused throughout, from the elongated hole opening 23 to the sterilization chamber 20. It is introduced uniformly in the width direction.
In the sterilization chamber 20, the introduced air to be treated flows on both sides of the ultraviolet lamp 22 at an appropriate flow velocity while staying appropriately.
At this time, by continuing to irradiate ultraviolet rays from the ultraviolet lamp 22, bacteria and fungi contained in the air to be treated can be killed and viruses can be inactivated. Then, in a state where sufficient sterilization treatment is performed, the treated air reaches the outlet 25 of the sterilization chamber 20.

After that, the treated air flows down from the discharge passage 42 of the discharge portion 40 provided by bending from the outlet 25 of the sterilization chamber 20, and is discharged to the outside again from the discharge opening 41.
Then, the air sequentially introduced from the introduction unit 30 is sequentially sterilized by the ultraviolet rays from the ultraviolet lamp 22 in the sterilization chamber 20, and is continuously discharged from the emission unit 40, whereby the ultraviolet sterilizer 10 is arranged. The air in the entire room can be sterilized.

According to the ultraviolet sterilizer 10 of the present embodiment as described above, the introduction portion 30 covers the tubular portion 31 projecting from the partition wall 17 partitioning the sterilization chamber 20 and the end portion of the tubular portion 31 to cover the tubular portion 31. A cap-shaped damper 33 for partitioning the introduction path 32 is provided between the two. Therefore, by appropriately setting the gap between the cylinder portion 31 and the damper 33, it is possible to introduce the air to be treated into the sterilization chamber 20 at an appropriate flow rate and sufficiently sterilize with ultraviolet rays.

Moreover, the damper 33 not only covers the end opening 31a of the tubular portion 31, but also covers the end opening 31a of the tubular portion 31 and the end opening 31b in the vicinity of the end opening 31a, so that the introduction path 32 is bent. It can be provided and the introduction path 32 can be opened toward the partition wall 17.
Therefore, it is possible to reliably prevent the ultraviolet rays emitted in the sterilization chamber 20 from being radiated to the outside through the introduction path 32, and even if the ultraviolet sterilizer 10 is arranged and used indoors, the ultraviolet rays are emitted to people and members in the room. There is no risk of being irradiated. This makes it possible to prevent adverse effects on people and various members in the room even if they are arranged and used indoors.

The ultraviolet sterilizer 10 has a storage space 16 in which a storage member such as an electric component 15 is housed in the casing 12, and a damper 33 is arranged in the storage space 16.
Therefore, it is not necessary to dispose the damper 33 outside the casing 12, the outer shape of the ultraviolet sterilizer 10 can be formed slim without being bulky, and the radiation of ultraviolet rays in the sterilization chamber 20 can be prevented by the damper, and the damper can be accommodated in the accommodation space 16. It is possible to prevent the accommodating member such as the electric component 15 from being irradiated with ultraviolet rays.
As a result, even those that are easily affected by ultraviolet rays, such as resin members, can be accommodated in the accommodation space 16, and various members can be accommodated in the accommodation space 16 and effectively utilized. can do.

Further, in the ultraviolet sterilizer 10, the partition walls 17 which are arranged in different directions and are adjacent to each other in the air flow direction are continuous via the concave curved surface 17d.
Therefore, the flow of air flowing along the partition wall 17 in the sterilization chamber 20 is unlikely to be disturbed between the adjacent partition walls 17. Therefore, it is possible to irradiate ultraviolet rays while stably flowing the air flowing down from the sterilization chamber 20, the sterilization treatment of the flowing air is unlikely to occur, and the entire air flow can be stably and evenly sterilized. ..

Further, the ultraviolet sterilizer 10 has a discharge path 42 in which the discharge unit 40 is bent from the sterilization chamber 20 to the discharge opening 41 to the outside. Therefore, it is possible to prevent the ultraviolet rays of the sterilization chamber 20 from leaking to the outside through the emission opening 41, and it is possible to more reliably prevent the ultraviolet rays from being radiated to the outside.

In the ultraviolet sterilizer 10 of this embodiment, the sterilization chamber 20 and the discharge path 42 are partitioned by a common partition wall 17c, and the width of the sterilization chamber 20 and the width of the discharge path 42 are equal and orthogonal to the air flow direction. The cross-sectional area of the sterilization chamber 20 is provided wider than the discharge path 42.
Therefore, the discharge path 42 that can prevent the ultraviolet rays of the sterilization chamber 20 from leaking to the outside can be simply configured. Further, the residence time of air in the sterilization chamber 20 can be secured for a long time, and sufficient sterilization treatment can be performed in the sterilization chamber 20.

Further, in the ultraviolet sterilizer 10, the tip of the common partition wall 17c on the outlet 25 side of the sterilization chamber 20 is formed on a concave curved surface 17d curved toward the sterilization chamber 20. Therefore, it is possible to make it more difficult for the ultraviolet rays in the sterilization chamber 20 to leak to the discharge path 42 side.

The above embodiment can be appropriately modified within the scope of the present invention.
For example, in the above embodiment, an example in which the accommodation space 16 is provided in the casing 12 and the accommodation space 16 is shared as a part of the introduction unit 30 has been described, but it is possible to provide the introduction unit 30 separately from the accommodation space. is there.
Further, in the above, the fan 11 is provided in the introduction opening 21 of the introduction unit 30 so that the air is allowed to flow in the ultraviolet sterilizer 10 to discharge the treated air, but it is also possible to provide a fan in the discharge unit 40. Yes, there is no limit to the location and number of fans to be installed.
Further, although the example in which the tubular portion 31 of the introduction portion 30 is provided so as to project from the upper surface partition wall 17a via the retention distribution chamber 34 has been described above, the cylinder portion 31 is directly provided on the upper surface partition wall 17a without providing the retention distribution chamber 34. It is also possible to provide. By doing so, the configuration can be further simplified.

10 Ultraviolet sterilizer 11 Fan 12 Casing 12a Front wall 12b Back wall 12c Side wall 12d Bottom wall 13 Suspended plate 14a Switch 14b Display 15 Electrical parts 16 Storage space 17 Partition 17a Top partition 17b Side partition 17c Common partition 17d Concave curved surface 20 Sterilization chamber 21 Introductory opening 22 Ultraviolet lamp 23 Long hole opening 24 Guide fin 25 Outlet 30 Introducing part 31 Cylindrical part 31a End opening 31b End opening 32 Introducing path 33 Damper 34 Retention distribution chamber 34a Upper wall 35 Bracket 40 Discharge part 41 Discharge Opening 42 Release path

Claims (6)

A sterilization chamber that is arranged and used indoors and has an ultraviolet light emitting portion inside, an introduction portion that introduces the air in the room into the sterilization chamber, a discharge portion that discharges the air from the sterilization chamber, and an outside . the introducing section to introduce the air from the chamber, a fan to release the by flowing into the sterilization chamber and the discharge portion to the outside, but an ultraviolet sterilizer provided in the casing,
The sterilization chamber is separated from the introduction portion by a partition wall and communicates with the introduction portion by an elongated hole opening provided in the partition wall.
The introduction portion is provided with a gap between a tubular portion projecting from the partition wall via a distribution chamber communicating with the elongated hole opening, an end opening of the tubular portion, and an outer periphery in the vicinity of the end opening. It has a cap-shaped damper for partitioning the introduction path between the cover and the tubular portion, and the air introduced through the introduction path can be supplied to the sterilization chamber through the elongated hole opening of the partition wall.
An ultraviolet sterilizer in which ultraviolet rays in the ultraviolet emitting portion are shielded by the partition wall, the cylinder portion, and the damper. Wherein the casing has an inter-sky accommodating member is a part of the introduction portion is accommodated, the damper is disposed in the inter prior Kisora, UV disinfection device according to claim 1 .. The ultraviolet sterilizer according to claim 1 or 2, wherein the release unit has a release path bent from the sterilization chamber to the release opening to the outside. The sterilization chamber and the discharge path are partitioned by a front wall and a back wall, an upper partition wall having the elongated hole opening, a bottom wall, and a pair of side partition walls, and the sterilization chamber and the release path are common. are partitioned by a partition wall, said front wall, said rear wall, said top surface partition wall, said bottom wall, said walls adjacent are placed in different orientations of said common partition wall are continuous through the concave surface The ultraviolet sterilizer according to claim 3. The ultraviolet sterilizer according to claim 4 , wherein the cross-sectional area of the sterilization chamber orthogonal to the flow direction of the air is wider than the discharge path. An outlet for flowing treated air from the sterilization chamber into the discharge path is provided at the tip of the common partition wall, and the outlet side tip of the sterilization chamber in the common partition wall is formed in a concave curved shape curved toward the sterilization chamber side. The ultraviolet sterilizer according to claim 5.

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