CN111450280A - Table type ultraviolet sterilizer - Google Patents
Table type ultraviolet sterilizer Download PDFInfo
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- CN111450280A CN111450280A CN202010464349.6A CN202010464349A CN111450280A CN 111450280 A CN111450280 A CN 111450280A CN 202010464349 A CN202010464349 A CN 202010464349A CN 111450280 A CN111450280 A CN 111450280A
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- optical fiber
- light
- ultraviolet
- buncher
- coupler
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- 239000013307 optical fiber Substances 0.000 claims abstract description 73
- 230000001954 sterilising effect Effects 0.000 claims abstract description 22
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 20
- 239000000758 substrate Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 2
- 241000894006 Bacteria Species 0.000 description 13
- 230000003287 optical effect Effects 0.000 description 12
- 241000700605 Viruses Species 0.000 description 6
- 241000282414 Homo sapiens Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 230000036541 health Effects 0.000 description 2
- 244000000010 microbial pathogen Species 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002458 infectious effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—Ultraviolet radiation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/26—Accessories or devices or components used for biocidal treatment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/10—Apparatus features
- A61L2202/11—Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention discloses a table-type ultraviolet sterilization device, which comprises a coupler, an ultraviolet luminous source, at least one optical fiber, a buncher and a light uniformizer, wherein a reflection cavity is arranged in the coupler, and the front end of the reflection cavity is provided with a collimating lens; the ultraviolet light emitting source is arranged in the reflecting cavity, wherein the rear end of the reflecting cavity is provided with a substrate for mounting the ultraviolet light emitting source; the optical fiber is arranged at the front end of the coupler, and one end of the optical fiber is connected with the coupler; the buncher is arranged at the front end of the optical fiber and connected with the other end of the optical fiber; the light equalizer is arranged at the front end of the buncher. The whole sterilization device can perform two-dimensional scanning on the circular light spot or the linear light source in a scanning mode, so that the area to be sterilized can be completely processed, even if the processed surface has an uneven phenomenon, the sterilization can be completely performed, the sterilization can be effectively performed at a longer distance, and the sterilization device has very high application value and popularization value.
Description
Technical Field
The invention belongs to the technical field of sterilizing devices, and particularly relates to a table-type ultraviolet sterilizing device which can transmit a point light source emitted by an ultraviolet light source to a far place in a minimum attenuation mode, so that the ultraviolet dose at the place is strong enough to kill harmful substances such as bacteria or viruses.
Background
The environment in which people live has a large number of pathogenic microorganisms, which usually exist in the form of bacteria or viruses, and the pathogenic microorganisms can be transmitted to human beings through various routes and harm human health. People try to avoid touching the public switch in daily life for the sake of hygiene and health. It is known that hospital environment is filled with bacteria, and people wear a mask in the hospital to prevent the bacteria from infecting diseases with each other through the air. In addition, bacteria may be infected by contact, and particularly, when a finger directly touches a switch of a public device (e.g., an elevator, an information terminal, a touch panel, an automatic teller machine, etc.), viruses and bacteria are liable to enter a human body by the touch action of the finger, and at the same time, bacteria on the hand are also liable to be attached to the elevator switch when contacting the elevator switch, and when a next user uses the switch, bacteria are liable to be attached to the user's hand by contact to increase the chance of getting ill, so that the elevator button is one of places where bacteria are accumulated and are liable to infect diseases.
The existing ultraviolet sterilization device can be used for killing infectious microorganisms on the surface of an object, thereby preventing pathogen from spreading. However, the existing ultraviolet sterilization device has short ultraviolet beam range distance, and needs to sterilize and disinfect the adjacent objects, which is not only inconvenient to use, but also easy to be infected by the disease bacteria due to close contact.
Disclosure of Invention
The present invention is directed to a table-type ultraviolet sterilizer, which solves the above problems of the related art.
In order to achieve the purpose, the invention provides the following technical scheme: the bench type ultraviolet sterilization device has the structural key points that: the method comprises the following steps:
the coupler is internally provided with a reflecting cavity, and the front end of the reflecting cavity is provided with a collimating lens;
the ultraviolet light emitting source is arranged in the reflecting cavity, and the rear end of the reflecting cavity is provided with a substrate for mounting the ultraviolet light emitting source;
the optical fiber is arranged at the front end of the coupler, one end of the optical fiber is connected with the coupler, and the optical fiber is used for receiving ultraviolet rays and enabling the ultraviolet rays to be reflected forwards to the front end of the optical fiber;
the buncher is arranged at the front end of the optical fiber and connected with the other end of the optical fiber, and is used for combining ultraviolet rays passing through the optical fiber into a light spot with high density;
the light homogenizer is arranged at the front end of the buncher and is used for receiving the light spot and expanding the light spot into a uniform light source.
Preferably, the wavelength of the ultraviolet light-emitting source is 200nm to 280 nm.
Preferably, the dodging device comprises a rotating table, a collimator, a powell prism and a cylindrical lens, wherein a support rod for fixing the collimator, the powell prism and the cylindrical lens is arranged on the rotating table, and the collimator, the powell prism and the cylindrical lens can rotate to the position corresponding to the buncher along with the rotating table.
Compared with the prior art, the whole sterilization device can perform two-dimensional scanning on the circular light spot or the linear light source in a scanning mode, complete surface treatment can be performed on the area to be sterilized, even if the treated surface has an uneven phenomenon, complete sterilization can be performed, effective sterilization can be performed at a long distance, and the sterilization device has very high application value and popularization value.
Drawings
FIG. 1 is a schematic structural diagram according to a first embodiment;
FIG. 2 is a schematic structural diagram of the second embodiment;
FIG. 3 is a schematic structural diagram according to a third embodiment;
in the figure: the device comprises a coupler 1, a reflecting cavity 2, a collimating lens 3, an ultraviolet light source 4, a substrate 5, an optical fiber 6, a buncher 7, a light homogenizer 8, a rotating table 9, a collimator 10, a Bawell prism 11 and a supporting rod 12.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Example one
Referring to fig. 1, the present invention provides a desk-type uv sterilizer, comprising:
the coupler 1 is internally provided with a reflecting cavity 2, and the front end of the reflecting cavity 2 is provided with a collimating lens 3;
the ultraviolet light emitting source 4 is arranged in the reflecting cavity 2, wherein the rear end of the reflecting cavity 2 is provided with a substrate 5 for mounting the ultraviolet light emitting source 4;
the optical fiber 6 is arranged at the front end of the coupler 1, one end of the optical fiber 6 is connected with the coupler 1, and the optical fiber 6 is used for receiving ultraviolet rays and reflecting the ultraviolet rays to the front end of the optical fiber 6;
the buncher 7 is arranged at the front end of the optical fiber 6, the buncher 7 is connected with the other end of the optical fiber 6, and the buncher 7 is used for combining ultraviolet rays passing through the optical fiber 6 into a light spot with high density;
the light uniformizer 8 is arranged at the front end of the buncher 7, and the light uniformizer 8 is used for receiving the light spot and expanding the light spot into a uniform light source.
In this embodiment, the wavelength of the ultraviolet light emitting source 4 is 200nm to 280 nm.
In this embodiment, the light homogenizer 8 includes a rotating table 9, a collimator 10, a powell prism 11, and a cylindrical lens, wherein a support rod 12 for fixing the collimator 10, the powell prism 11, and the cylindrical lens is disposed on the rotating table 9, and the collimator 10, the powell prism 11, and the cylindrical lens can rotate to a position corresponding to the buncher 7 along with the rotating table 9.
The ultraviolet light source 4 can emit large-angle ultraviolet light with the wavelength of 200nm-280nm, and the ultraviolet light source 4 is reflected to the collimating lens 3 through the reflecting surface of the internal reflection cavity 2 of the coupler 1, so that the ultraviolet light is collimated into a beam of parallel light by the collimating lens 3 and output, the diameter of the parallel light is D1, in this embodiment, an optical fiber beam composed of a plurality of optical fibers 6 is adopted, and the diameter D2 of the optical fiber 6 is much smaller than D1, when the parallel light is collimated, the ultraviolet ray can be led into the optical fiber bundle, the ultraviolet ray entering the optical fiber 6 can be continuously and totally reflected forwards in the optical fiber 6 with maximum power, and finally reaches the front end of the optical fiber 6, the length of the optical fiber 6 can be changed according to actual requirements, the buncher 7 is arranged at the front end of the optical fiber 6, for combining ultraviolet rays passing through the optical fiber 6 to make the original multiple light spots combined into one or a light spot with a large diameter further become a light spot with a small diameter and an extremely high optical density.
Bacteria or viruses can be killed in a very short instant via a very high optical density of the light spot. However, when the light source is applied to a large-area embodiment, the light spot with extremely high optical density needs to be enlarged to meet the sterilization function of a large area. Therefore, the front end of the buncher 7 is provided with the light evener 8, the light evener 8 comprises a rotating platform 9, a collimator 10, a Bawell prism 11 and a cylindrical lens, the rotating platform 9 is provided with the switchable collimator 10, the Bawell prism 11 and the cylindrical lens, and the collimator 10, the Bawell prism 11 and the cylindrical lens all have the functions of receiving light spots and expanding the light spots into uniform light sources. In the present embodiment, a powell prism 11 is used, and the optical fiber bundle passes through the powell prism 11 to expand the light spot with extremely high optical density into a uniform linear light source (large area) required for practical application, and the light in the expanded linear light source is distributed very uniformly.
Example two
Referring to fig. 2, the present invention provides a desk-type uv sterilizer, comprising:
the coupler 1 is internally provided with a reflecting cavity 2, and the front end of the reflecting cavity 2 is provided with a collimating lens 3;
the ultraviolet light emitting source 4 is arranged in the reflecting cavity 2, wherein the rear end of the reflecting cavity 2 is provided with a substrate 5 for mounting the ultraviolet light emitting source 4;
the optical fiber 6 is arranged at the front end of the coupler 1, one end of the optical fiber 6 is connected with the coupler 1, and the optical fiber 6 is used for receiving ultraviolet rays and reflecting the ultraviolet rays to the front end of the optical fiber 6;
the buncher 7 is arranged at the front end of the optical fiber 6, the buncher 7 is connected with the other end of the optical fiber 6, and the buncher 7 is used for combining ultraviolet rays passing through the optical fiber 6 into a light spot with high density;
the light uniformizer 8 is arranged at the front end of the buncher 7, and the light uniformizer 8 is used for receiving the light spot and expanding the light spot into a uniform light source.
In this embodiment, the wavelength of the ultraviolet light emitting source 4 is 200nm to 280 nm.
In this embodiment, the light homogenizer 8 includes a rotating table 9, a collimator 10, a powell prism 11, and a cylindrical lens, wherein a support rod 12 for fixing the collimator 10, the powell prism 11, and the cylindrical lens is disposed on the rotating table 9, and the collimator 10, the powell prism 11, and the cylindrical lens can rotate to a position corresponding to the buncher 7 along with the rotating table 9.
The ultraviolet light source 4 can emit large-angle ultraviolet light with the wavelength of 200nm-280nm, and the ultraviolet light source 4 is reflected to the collimating lens 3 through the reflecting surface of the internal reflection cavity 2 of the coupler 1, so that the ultraviolet light is collimated into a beam of parallel light by the collimating lens 3 and output, the diameter of the parallel light is D1, in this embodiment, an optical fiber 6 is adopted, and the diameter D3 of the optical fiber 6 is slightly larger than D1, when the parallel light is collimated, the ultraviolet ray can be led into the optical fiber 6, the ultraviolet ray entering the optical fiber 6 can be continuously and totally reflected forwards in the optical fiber 6 with maximum power, and finally reaches the front end of the optical fiber 6, the length of the optical fiber 6 can be changed according to actual requirements, the buncher 7 is arranged at the front end of the optical fiber 6, for combining ultraviolet rays passing through the optical fiber 6 to make the original multiple light spots combined into one or a light spot with a large diameter further become a light spot with a small diameter and an extremely high optical density.
Bacteria or viruses can be killed in a very short instant via a very high optical density of the light spot. However, when the light source is applied to a large-area embodiment, the light spot with extremely high optical density needs to be enlarged to meet the sterilization function of a large area. Therefore, the front end of the buncher 7 is provided with the light evener 8, the light evener 8 comprises a rotating platform 9, a collimator 10, a Bawell prism 11 and a cylindrical lens, the rotating platform 9 is provided with the switchable collimator 10, the Bawell prism 11 and the cylindrical lens, and the collimator 10, the Bawell prism 11 and the cylindrical lens all have the functions of receiving light spots and expanding the light spots into uniform light sources. In the present embodiment, a powell prism 11 is used, and the optical fiber 6 expands the light spot with extremely high optical density into a uniform linear light source (large area) required for practical application through the powell prism 11, and the light in the expanded linear light source is distributed very uniformly.
EXAMPLE III
Referring to fig. 3, the present invention provides a desk-type uv sterilizer, comprising:
the coupler 1 is internally provided with a reflecting cavity 2, and the front end of the reflecting cavity 2 is provided with a collimating lens 3;
the ultraviolet light emitting source 4 is arranged in the reflecting cavity 2, wherein the rear end of the reflecting cavity 2 is provided with a substrate 5 for mounting the ultraviolet light emitting source 4;
the optical fiber 6 is arranged at the front end of the coupler 1, one end of the optical fiber 6 is connected with the coupler 1, and the optical fiber 6 is used for receiving ultraviolet rays and reflecting the ultraviolet rays to the front end of the optical fiber 6;
the buncher 7 is arranged at the front end of the optical fiber 6, the buncher 7 is connected with the other end of the optical fiber 6, and the buncher 7 is used for combining ultraviolet rays passing through the optical fiber 6 into a light spot with high density;
the light uniformizer 8 is arranged at the front end of the buncher 7, and the light uniformizer 8 is used for receiving the light spot and expanding the light spot into a uniform light source.
In this embodiment, the wavelength of the ultraviolet light emitting source 4 is 200nm to 280 nm.
In this embodiment, the light homogenizer 8 includes a rotating table 9, a collimator 10, a powell prism 11, and a cylindrical lens, wherein a support rod 12 for fixing the collimator 10, the powell prism 11, and the cylindrical lens is disposed on the rotating table 9, and the collimator 10, the powell prism 11, and the cylindrical lens can rotate to a position corresponding to the buncher 7 along with the rotating table 9.
The ultraviolet light source 4 can emit large-angle ultraviolet light with the wavelength of 200nm-280nm, and the ultraviolet light source 4 is reflected to the collimating lens 3 through the reflecting surface of the internal reflection cavity 2 of the coupler 1, so that the ultraviolet light is collimated into a beam of parallel light by the collimating lens 3 and output, the diameter of the parallel light is D1, in this embodiment, an optical fiber beam composed of a plurality of optical fibers 6 is adopted, and the diameter D2 of the optical fiber 6 is much smaller than D1, when the parallel light is collimated, the ultraviolet ray can be led into the optical fiber bundle, the ultraviolet ray entering the optical fiber 6 can be continuously and totally reflected forwards in the optical fiber 6 with maximum power, and finally reaches the front end of the optical fiber 6, the length of the optical fiber 6 can be changed according to actual requirements, the buncher 7 is arranged at the front end of the optical fiber 6, for combining ultraviolet rays passing through the optical fiber 6 to make the original multiple light spots combined into one or a light spot with a large diameter further become a light spot with a small diameter and an extremely high optical density.
Bacteria or viruses can be killed in a very short instant via a very high optical density of the light spot. However, when the light source is applied to a large-area embodiment, the light spot with extremely high optical density needs to be enlarged to meet the sterilization function of a large area. Therefore, the front end of the buncher 7 is provided with the light evener 8, the light evener 8 comprises a rotating platform 9, a collimator 10, a Bawell prism 11 and a cylindrical lens, the rotating platform 9 is provided with the switchable collimator 10, the Bawell prism 11 and the cylindrical lens, and the collimator 10, the Bawell prism 11 and the cylindrical lens all have the functions of receiving light spots and expanding the light spots into uniform light sources. In the present embodiment, the collimator 10 is used, and the optical fiber bundle passes through the collimator 10 to expand the light spot with extremely high optical density into a circular light spot with diameter D4 required by practical application, while the light in the circular light spot with diameter D4 is very uniformly distributed.
The working principle of the cylindrical lens and the collimator 10 is the same, and therefore, the description thereof is omitted.
The whole sterilization device can perform two-dimensional scanning on the circular light spot or the linear light source in a scanning mode, so that the area to be sterilized can be completely processed, even if the processed surface has an uneven phenomenon, the sterilization can be completely performed, the sterilization can be effectively performed at a longer distance, and the sterilization device has very high application value and popularization value.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. The bench-type ultraviolet sterilization device is characterized in that: the method comprises the following steps:
the coupler is internally provided with a reflecting cavity, and the front end of the reflecting cavity is provided with a collimating lens;
the ultraviolet light emitting source is arranged in the reflecting cavity, and the rear end of the reflecting cavity is provided with a substrate for mounting the ultraviolet light emitting source;
the optical fiber is arranged at the front end of the coupler, one end of the optical fiber is connected with the coupler, and the optical fiber is used for receiving ultraviolet rays and enabling the ultraviolet rays to be reflected forwards to the front end of the optical fiber;
the buncher is arranged at the front end of the optical fiber and connected with the other end of the optical fiber, and is used for combining ultraviolet rays passing through the optical fiber into a light spot with high density;
the light uniformizer is arranged at the front end of the buncher and is used for receiving the light spot and expanding the light spot into a uniform light source.
2. The desk-type ultraviolet sterilizer according to claim 1, wherein: the wavelength of the ultraviolet light source is 200nm-280 nm.
3. The desk-type ultraviolet sterilizer according to claim 1, wherein: the dodging device comprises a rotating table, a collimator, a Bawell prism and a cylindrical lens, wherein a supporting rod used for fixing the collimator, the Bawell prism and the cylindrical lens is arranged on the rotating table, and the collimator, the Bawell prism and the cylindrical lens can rotate to positions corresponding to the buncher along with the rotating table.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010464349.6A CN111450280A (en) | 2020-05-27 | 2020-05-27 | Table type ultraviolet sterilizer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010464349.6A CN111450280A (en) | 2020-05-27 | 2020-05-27 | Table type ultraviolet sterilizer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023084669A1 (en) * | 2021-11-11 | 2023-05-19 | 日本電信電話株式会社 | Ultraviolet light radiation system and radiation method |
| WO2023084677A1 (en) * | 2021-11-11 | 2023-05-19 | 日本電信電話株式会社 | Ultraviolet light emission system |
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