JP2022129470A - Indoor sterilization device - Google Patents

Abstract

To provide an indoor sterilization device capable of sterilizing not only, a ceiling, a wall, a floor and furniture and the like in a room with which a human body comes in contacts, but also, air in the room, in an unmanned state.SOLUTION: An indoor sterilization device 1 is a device sterilizing a room in which people meet, in an unmanned state, the indoor sterilization device comprises: a housing 3 comprising, a top plate, a bottom plate 3b, a front plate 3c, a rear plate and side plates 3e; an ultraviolet generation unit 6 comprising an air exhaust hole on the top plate, a suction hole on the bottom plate, and extending from the top plate upward; an ozone generation unit 7 provided in the housing; and an air blower 8 provided on the housing. Air in the room is sucked from the suction hole, air is exposed to the ozone generation unit, then the exposed air is exhausted into the room from the air exhaust hole, then the ultraviolet generated from the ultraviolet generation unit is radiated into the room.SELECTED DRAWING: Figure 4

Description

The present invention is an indoor sterilization device that sterilizes the ceiling, walls, and floors of a space where people gather and keeps the air in the space clean when the space is unmanned. For example, it is an indoor sterilization device that sterilizes a room after a patient leaves the hospital, or sterilizes a space including walls, ceilings, floors, etc., such as a karaoke room after use.

As described in Patent Documents 1 and 2, inventions have been proposed that use ultraviolet light and ozone to sterilize air and decompose ozone.

The invention of Patent Document 1 provides an air purifier capable of sterilizing and deodorizing the air and significantly reducing leakage of ozone to the outside. In the housing having an air inlet and an air outlet, the first ultraviolet lamp is installed near the air inlet, the second ultraviolet lamp is installed near the air outlet, and the first ultraviolet lamp is installed. generates ultraviolet rays with a wavelength of 250-270 nm (for example, a wavelength of 254 nm) and ultraviolet rays with a wavelength of 100-220 nm (for example, a wavelength of 185 nm). , wavelength 254 nm).

The air purification device of Patent Document 2 has a vent. Openings are formed at both ends of the vent, and filters are provided in each of the openings. Air passes through the inside of the vent. A blower, a plurality of ultraviolet lamps, an ozone lamp, and a plurality of photocatalyst filters are arranged inside the vent.

JP 2013-153897 A Japanese Patent No. 6009585

However, the inventions of Patent Documents 1 and 2 are made as deodorizing equipment rather than as sterilizers, and although they can achieve the purpose of purifying indoor air, they can remove bacteria adhering to ceilings, walls, floors, etc. It was difficult to use for fungi. This is because the output of ozone itself is restricted, and it is not suitable for use in a wide range, and is used in a very limited space. If the output of ozone is improved, there is a risk that it will affect the human body and lead to the deterioration of resin products, etc. in the room. In addition, the irradiation range of the ultraviolet rays does not extend to the outside of the housing, and even if the ultraviolet rays are strengthened, the decomposition of ozone is limited.

An object of the present invention is to sterilize not only the ceiling, walls, floor, furniture, etc. in the room, but also the air, which are the parts that come into contact with the human body in an unmanned state.

The present invention provides an indoor sterilization device for sterilizing a room where people gather in an unmanned state, comprising a housing having a top plate, a bottom plate, and a side plate, and having an exhaust hole in the top plate and an intake hole in the bottom plate. , an ultraviolet generating part extending upward from the upper plate, an ozone generating part provided in the housing, and an air blower provided in the housing, sucking air in the room from the air intake hole, An indoor sterilization device characterized by exposing air to ozone generated from an ozone generator, discharging the exposed air into the room through the exhaust hole, and radiating ultraviolet rays generated from the ultraviolet generator into the room. is.

With this configuration, since the entire space is sterilized, it is possible to sterilize the room with high-concentration ozone and at the same time deodorize it. This is the work of the ozone generator, and it is possible to sterilize and deodorize the intricate space in the room with ozone. Risk can be reduced and overall cleanliness in the space can be improved. Since ozone can be decomposed by the ultraviolet rays of the ultraviolet-ray generating part and the ozone that has been disinfected in the room can be detoxified by the ultraviolet rays, it is possible to provide an indoor sterilization device that can eliminate the need for indoor ventilation. Although it generates ozone in a concentration harmful to the human body, it has the advantage of being on par with its sterilization capacity. There is an advantage to say that it will be "High-concentration ozone" means that the ozone concentration is 1 ppm or more.

The ultraviolet ray generator is cylindrical and has a cross-sectional area smaller than that of the housing, and the ultraviolet ray is radiated at an angle of 360 degrees around the sides of the ultraviolet ray generator.

With this configuration, ultraviolet rays can be emitted over a wide range, so the time required for decomposing ozone in the room can be shortened. It is also possible to further sterilize the inner walls, ceilings, etc. of the room by the ultraviolet rays emitted over a wide range.

A plurality of the exhaust holes are provided in a region of the upper plate other than the area where the ultraviolet light generating section is provided.

With this configuration, indoor circulation of air can be effectively achieved.

The exhaust holes are scattered around the ultraviolet ray generator.

With this configuration, it is possible to effectively irradiate ozone with ultraviolet rays.

The ultraviolet ray generator includes a tubular portion, a lid detachably fitted to the tubular portion, and an ultraviolet ray generating lamp disposed therein.

This configuration facilitates maintenance of the ultraviolet generating section.

This device can be moved by casters.

Many conventional commercial sterilization equipment are equipped with a lot of equipment, and the space that can be used and the customer base that can be purchased are limited. There are advantages. Since it is mobile, it can be used anywhere as long as the target space is a space that can be sealed, and since the sterilization time and output can be adjusted according to the size, it can be used in many facilities.

It has a notification unit for notifying the end of operation of the ultraviolet generation unit and the ozone generation unit.

With this configuration, the worker who received the notification can enter the room with peace of mind.

INDUSTRIAL APPLICABILITY According to the present invention, it is possible to sterilize indoor air as well as indoor ceilings, walls, floors, furniture, etc. in an unattended state. By detoxifying the ozone used for sterilization with ultraviolet rays, it is possible to enter the sterilized room without ventilation. This ultraviolet light can also be used to further disinfect the room, and the overall cleanliness of the room can be further improved.

1 is a perspective view of an indoor sterilization device according to an embodiment of the present invention; FIG. It is a partial perspective view of the same. It is a partial perspective view of the same. It is an exploded perspective view of the same. It is an exploded perspective view of the same. It is an exploded perspective view of the same. FIG. 10 is an explanatory diagram of the state of use of the same.

As shown in FIGS. 1 to 7, an indoor sterilization apparatus 1 according to an embodiment of the present invention sterilizes an unmanned room 2. FIG. As shown in FIG. 7, the room 2 is composed of air 2a, ceiling 2b, walls 2c and 2d, and floor 2e.

As shown in FIGS. 1 to 6, an indoor sterilization device 1 (hereinafter referred to as device 1) is a device for sterilizing a room 2 where people gather in an unmanned state. 3c, a housing 3 having a rear plate 3d and side plates 3e and 3f. The housing 3 has an exhaust hole 4 in the upper plate 3a and an intake hole 5 in the bottom plate 3b. An ultraviolet ray generator 6 extending upward from the upper plate 3a, an ozone generator 7 provided in the housing 3, a blower 8 provided in the housing 3, and a control unit 11 for controlling electrical devices in the device 1. , is equipped with The device 1 sucks the air 2a in the room 2 from the intake hole 5, exposes the air 2a to the ozone generator 7, discharges the exposed air 2a from the exhaust hole 4 into the room 2, and emits the ultraviolet light from the ultraviolet generator 6. It is characterized by radiating ultraviolet rays into the room 2. - 特許庁Each element will be described in detail below.

The housing 3 is a structure for protecting the built-in components of the device 1 and protecting them from external interference. In the illustration, it is a rectangular box with a hexahedral structure.

The upper plate 3a is a cover for maintenance on the upper part of the housing 3, and it is removed to replace or maintain the ultraviolet generating section 6, the ozone generating section 7, and the like.

The exhaust hole 4 is a hole for discharging ozone generated inside the device 1 to the outside of the device. A plurality of exhaust holes 4 are provided in a region of the upper plate 3a other than the area where the ultraviolet generating section 6 is provided. Exhaust holes 4 are scattered so as to surround the ultraviolet generating section 6 .

The intake hole 5 is provided in the bottom plate 3b and is a hole for sucking outside air into the inside of the apparatus 1 with the blower 8. As shown in FIG.

The ultraviolet light generating part 6 is cylindrical, and its cross-sectional area is set smaller than the cross-sectional area of the housing 3, and the ultraviolet light is emitted in a predetermined height range at an angle of 360 degrees around the side surface of the ultraviolet light generating part 6. . Since the output and operating time of the ultraviolet light generating section 6 are controlled by the control section 11, they can be appropriately set according to the place and situation in which the device 1 is used. The wavelength of ultraviolet rays is preferably 330-400 nm.

The ultraviolet ray generator 6 includes a cylindrical portion 61, a lid 62 detachably fitted to the upper portion of the cylindrical portion 61, a center pillar 63 hanging down from the lid 62, and fixed to the center pillar 63 and arranged therein. and an ultraviolet light generating lamp 64 .

The cylindrical portion 61 is made of a transparent material such as acrylic, and has a structure that allows ultraviolet rays to pass therethrough. The cylindrical portion 61 is a cover that protects the ultraviolet light generating lamp 64 from external shocks and the like and prevents the human body from coming into contact with the ultraviolet light generating lamp 64 that generates heat. The lid 62 and the center pillar 63 are parts for mounting, maintenance, wiring, etc. of the ultraviolet lamp 64 . The ultraviolet light generating lamp 64 irradiates ultraviolet rays from the upper part of the device 1 over the entire circumference of 360 degrees on the side surface, and decomposes the ozone that fills the room 2 .

The ozone generator 7 is a device that generates ozone necessary for sterilization and deodorization by creeping discharge, and generates ozone at a maximum of 5000 mg/h. Since the output and operating time of the ozone generating section 7 are controlled by the control section 11, they can be appropriately set according to the place and situation in which the apparatus 1 is used. As the ozone generator 7, it is possible to adopt a known device such as a device that generates ozone by silent discharge or ultraviolet radiation. When ozone is generated by radiating ultraviolet rays, the wavelength of the radiated ultraviolet rays is preferably 100 to 240 nm.

The blower 8 draws in the air 2a from the intake hole 5, discharges the ozone-containing air 2a inside the apparatus 1 to the outside of the apparatus 1, and takes in the air 2a outside the apparatus 1. FIG. Since the output and operating time of the blower 8 are controlled by the control unit 11, they can be appropriately set according to the location and situation in which the device 1 is used. Examples of the air blower 8 include a fan and a blower. The blower 8 is fixed above the intake hole 5 provided in the bottom plate 3b.

The casters 9 are parts for facilitating transportation and movement of the device 1 . The bottom plate 3b has casters 9 so that the device 1 can be moved.

The power switch 10 turns ON/OFF the main body operating power supply, and the apparatus 1 starts working when it is activated.

The control unit 11 is a device that interlocks with all the electrical devices in the device 1 and adjusts and manages the time and operating conditions. Examples of the control unit 11 include a PLC (programmable logic controller) and the like.

The grommet 12 is a component for preventing wear caused by rubbing against the housing 3 of the wiring coming out of the device 1 .

The notification unit 13 is a component for notifying the end of operation of the ultraviolet generation unit 6 and the ozone generation unit 7 . The notification unit 13 is exemplified by a buzzer that generates a notification sound or a display unit that displays a notification screen.

The partition plate 14 is interposed between the ozone generator 7 and the blower 8, and is used to adjust the residence time of the air 2a taken into the apparatus 1 by the blower 8 and discharged to the outside of the apparatus 1 within the apparatus 1. is a member of By adjusting the convection time, the air 2a containing ozone at a high concentration can be discharged outside the apparatus. The concentration of ozone in the discharged air 2a is preferably 1 to 3 ppm. Within this concentration range, the room 2 can be sufficiently disinfected and deodorized safely. The fixing plate 15 is a component that fixes the ozone generating section 7 and the control section 11, and is erected on the bottom plate 3b. The guide plate 16 is a plate that serves as a guide when removing the remaining plate from the bottom plate 3b.

A handle 17 is provided on the rear plate 3d to facilitate movement.

The operation of the device 1 will be explained. The apparatus 1 is moved into the room 2, connected to the power supply, and the power switch 10 is turned on to operate the apparatus 1. - 特許庁After that, the device 1 automatically takes in the air 2a in the room 2 by the blower 8, self-produces ozone in the ozone generator 7, supplies the air 2a containing ozone to the room 2, and releases the air 2a into the room 2. and inside the apparatus 1, the air 2a containing ozone is filled in the room 2, and the room 2 is sterilized and disinfected with ozone. After that, the ozone existing in the room 2 is decomposed by the ultraviolet light from the ultraviolet light generator 6, and the room 2 is further disinfected by the irradiation of the ultraviolet light. Ozone generation is automatically terminated by the timer of the control unit 11, and after the ozone is decomposed by ultraviolet radiation and the room 2 is further sterilized, the notification unit 13 notifies the operator of the end of the work. , the operation of the device 1 is completed. Since the room 2 can be automatically sterilized simply by installing the device 1 and turning on the power switch 10, there is an advantage that the time required for workers to enter the target space is extremely short. Since the apparatus 1 decomposes ozone present in the room 2 by radiating ultraviolet rays, the operator can enter the room without ventilation after using the apparatus 1. - 特許庁When the apparatus 1 is operated in the room 2 with the ceiling 2b height of 3 m and the floor 2e area of 30 tatami mats, the sterilization of the room 2 by ozone is completed in 20 to 30 minutes, and the room 2 is disinfected by ultraviolet rays. The decomposition of ozone present in 2 is completed in 30-60 seconds.

With the configuration of the device 1, it is possible to sterilize the entire room including the complicated space of the room 2 with high-concentration ozone, and at the same time deodorize it. This is a function of the ozone generator 7, and is achieved by filling the room 2 with high-concentration ozone. Since the ultraviolet light from the ultraviolet light generator 6 is irradiated after the disinfection with ozone, bacteria and the like are further disinfected, the risk of infection is further reduced, and the overall cleanliness of the room 2 can be improved.

Since the ozone is decomposed by the ultraviolet rays of the ultraviolet ray generating part 6 and detoxified after disinfecting the room 2, the operator can enter the room 2 without ventilation after using the apparatus 1. - 特許庁

The ultraviolet ray generating part 6 is cylindrical, and its cross-sectional area is set smaller than that of the housing 3, and the ultraviolet ray is radiated at an angle of 360 degrees around the side surface of the ultraviolet ray generating part 6. - 特許庁Since ultraviolet rays can be emitted over a wide range, the time required for decomposition of the ozone in the room 2 used for sterilization can be shortened, and further sterilization can be performed over a wide range of the room 2. - 特許庁

Since a plurality of exhaust holes 4 are provided in the area of the upper plate 3a other than the area where the ultraviolet generating section 6 is provided, the circulation of the air 2a can be effectively achieved.

Since the exhaust holes 4 are scattered so as to surround the ultraviolet ray generating section 6, the ultraviolet rays can be effectively applied to the ozone, and the decomposition of the ozone can be promoted.

Since the ultraviolet ray generator 6 includes a cylindrical portion 61, a lid 62 detachably fitted to the cylindrical portion 61, a center pillar 63, and an ultraviolet ray generating lamp 64 disposed therein, the ultraviolet ray generator 6 can be Easy maintenance.

Since the notification unit 13 for notifying the termination of the operation of the ultraviolet ray generating unit 6 and the ozone generating unit 7 is provided, the worker who receives the notification can enter the room 2 with peace of mind.

As an advantage in line with the sterilization ability, which is an advantage of the device 1, unlike the conventional equipped sterilization device, it does not require installation work such as installation to the inner wall or ceiling of the facility, installation of the discharge port, etc. mentioned. Since the device 1 has a mechanism necessary for sterilizing the space inside the device 1, installation work is unnecessary.

The device 1 can sterilize a highly contaminated space with bacteria that is not used by humans for a while, and sterilize and deodorize a space used by an infected person for which human intervention is limited. There is an advantage that the time to enter the space is extremely short.

The device 1 is a mobile type equipped with casters 9, unlike the built-in type that requires work such as installation to the inner wall or ceiling of the facility, installation of the discharge port, etc., and the stationary type that is portable but is portable. Therefore, it can be easily moved without imposing a burden on the worker. Many conventional commercial sterilization equipment are limited in the space that can be used and the customer base that can be purchased. You can use it anywhere. Since the device 1 can adjust the sterilization time and output according to the size of the room 2, it can be used in many facilities. Device 1 is a commercial ozone generator that can be used with a 100V power source because it uses only equipment that operates on a 100V power source. Can be used with everything.

The room 2 is sterilized with ozone from the ozone generator 7 . Since the room 2 is filled with the air 2a containing ozone, it is possible to completely disinfect the air 2a in the room 2 and disinfect every corner such as the gaps of complicated furniture. After the sterilization work of the room 2 with ozone, the highly exposed ozone space is detoxified unattended by the ultraviolet rays of the ultraviolet light generating lamp 64, so that the ozone can be decomposed and detoxified, and the effects of ozone exposure on the human body can be reduced. Unlike existing stationary products, it does not require ventilation after sterilization work, and can maintain clean air 2a. Since the ozone concentration can be adjusted in advance, it is possible to match the output to the space used. For example, by adjusting the output, it is possible to complete the sterilization and deodorization of the room 2 by the next day's business even at the end of business hours.

The specifications of the device 1 can be adjusted according to the scale of the room 2. It is possible by selecting the specifications in advance. No special maintenance is required outside the maintenance period.

A conventional ozone sterilization device requires ventilation after discharging ozone into a space and performing sterilization, but the device 1 does not require ventilation because ozone is decomposed by ultraviolet rays, and the human body is exposed to ozone. can avoid the risk of

Unlike the conventional switch type, the control unit 11 has a timer for sterilization work, and the power is automatically turned off by the timer of the control unit 11 when the work is completed, so exposure to ozone can be avoided.

Used karaoke rooms, used hotels, used hospital rooms, used domes, factories after work, closed spaces where epidemic pathogens have occurred (such as live houses where cluster infections are possible), etc. However, it can be used in a room that is not used for a while after that, or it can be used in a room that is considered to be highly contaminated with bacteria, and it can quickly disinfect the room, so it has great industrial applicability. is.

DESCRIPTION OF SYMBOLS 1... Indoor sterilization apparatus 2... Indoor 2a... Air 2b... Ceiling 2c, 2d... Wall 2e... Floor 3... Case 3a... Upper plate 3b... Bottom plate 3c Front plate 3d Rear plate 3e, 3f Side plate 4 Exhaust hole 5 Air intake hole 6 Ultraviolet ray generator 7 Ozone generator 8 Blower 9 Caster 10 Power switch 11 Control unit 12 Grommet 13 Notification unit 14 Partition plate 15 Fixed plate 16 Guide plate 17. Handle 61 Cylindrical portion 62 Lid 63 Center pillar 64 Ultraviolet lamp

The present invention provides an indoor sterilization device for sterilizing a room where people gather in an unmanned state, comprising a housing having a top plate, a bottom plate, and a side plate, and having an exhaust hole in the top plate and an intake hole in the bottom plate. , an ultraviolet generating part extending upward from the upper plate, an ozone generating part provided in the housing, and an air blower provided in the housing, sucking air in the room from the air intake hole, exposing air to ozone generated from an ozone generator, wherein the ultraviolet generator comprises a long transparent tubular portion that transmits ultraviolet rays, a lid detachably fitted to the tubular portion, and the lid. A hanging center pillar and an elongated ultraviolet light generating lamp fixed to the center pillar and vertically arranged inside the cylindrical part, wherein the ultraviolet light is emitted at an angle of 360 degrees around the side surface of the ultraviolet light generating part. and a plurality of exhaust holes are provided in a region of the upper plate other than the area where the ultraviolet ray generating section is provided, and the exhaust holes are scattered so as to surround the ultraviolet ray generating section. and discharging the exposed air into the room from the exhaust hole , filling the room with air containing ozone, sterilizing the room with ozone, and sterilizing the room with the ultraviolet rays and filling the room. This indoor sterilization device is characterized by decomposing ozone and circulating air through the intake holes .

The ultraviolet light generating part is cylindrical, and its cross-sectional area is set smaller than the cross-sectional area of the housing. can radiate ultraviolet rays, shortening the time required to decompose the ozone in the room. It is also possible to further sterilize the inner walls, ceilings, etc. of the room by the ultraviolet rays emitted over a wide range.

Since a plurality of the exhaust holes are provided in the area of the upper plate other than the area where the ultraviolet light generating section is provided, indoor circulation of air can be effectively achieved .

Since the exhaust holes are scattered so as to surround the ultraviolet ray generating portion, it is possible to effectively irradiate the ozone with the ultraviolet ray .

Since the ultraviolet ray generating section includes a cylindrical section, a lid detachably fitted to the cylindrical section, and an ultraviolet ray generating lamp disposed therein , maintenance of the ultraviolet ray generating section can be facilitated .

Claims (7)

In an indoor sterilization device that sterilizes a room where people gather in an unmanned state,
a housing having a top plate, a bottom plate and a side plate, wherein the top plate has an exhaust hole and the bottom plate has an air intake hole;
an ultraviolet light generating portion extending upward from the upper plate;
an ozone generator provided in the housing;
a blower provided in the housing;
with
sucking the air in the room from the air intake hole and exposing the air to ozone generated from the ozone generator;
An indoor sterilization apparatus, wherein the exposed air is discharged into the room through the exhaust hole, and the ultraviolet rays generated from the ultraviolet ray generating section are radiated into the room. 2. According to claim 1, wherein said ultraviolet ray generating section is cylindrical and its cross-sectional area is set smaller than the cross-sectional area of said housing, and said ultraviolet ray is radiated at an angle of 360 degrees around the side surface of said ultraviolet ray generating section. Indoor sterilization device as described. 3. The indoor sterilization device according to claim 1, wherein a plurality of said exhaust holes are provided in a region of said upper plate other than said ultraviolet generating part. The indoor sterilization device according to any one of claims 1 to 3, wherein the exhaust holes are scattered so as to surround the ultraviolet light generating section. 5. The indoor exclusion according to any one of claims 1 to 4, wherein the ultraviolet ray generating unit comprises a cylindrical portion, a lid detachably fitted to the cylindrical portion, and an ultraviolet ray generating lamp disposed inside. fungus device. The indoor sterilization device according to any one of claims 1 to 5, which can be moved by casters. The indoor sterilization device according to any one of claims 1 to 6, further comprising a notification unit that notifies completion of operation of the ultraviolet generation unit and the ozone generation unit.

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