CN212308479U

CN212308479U - Table type ultraviolet sterilizer

Info

Publication number: CN212308479U
Application number: CN202020923071.XU
Authority: CN
Inventors: 梁旭东; 张世易
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-01-08
Anticipated expiration: 2030-05-27

Abstract

The utility model discloses a desk-type ultraviolet sterilization device, which comprises a coupler, an ultraviolet luminous source, at least one optical fiber, a buncher and a light uniformizing device, wherein a reflecting cavity is arranged in the coupler, 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, 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 utility model discloses well whole sterilizing equipment sees through the mode of scanning and carries out two-dimensional scanning with circle light spot or line source, alright carry out complete face processing with the region of treating disinfecting, even there is unevenness's phenomenon in the surface of handling still can be complete sterilization, can effectively carry out effectual disinfecting to distance far away, has very high using value, has spreading value.

Description

Table type ultraviolet sterilizer

Technical Field

The utility model belongs to the technical field of sterilizing equipment, concretely relates to can convey the pointolite that ultraviolet source sent to far away department with the mode of minimum decay, make the ultraviolet dose of this department strong to the bench type ultraviolet germicidal device that can kill harmful material such as bacterium or virus.

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 attached to an elevator switch when the elevator switch is touched, and when a next user uses the switch, bacteria are attached to the user's hand by contact to increase the chance of getting ill, so that an 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.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a platform type ultraviolet germicidal device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a 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 utility model discloses well whole sterilizing equipment sees through the mode of scanning and carries out two-dimensional scanning with circle light spot or line source, alright carry out complete face processing with the region of treating disinfecting, even there is unevenness's phenomenon in the surface of handling still can be complete sterilization, can effectively carry out effectual disinfecting to distance far away, has very high using value, has spreading 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

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection 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 or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed 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 limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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 the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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 technical solution, a table-type ultraviolet 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 technical solution, a table-type ultraviolet sterilizer, comprising:

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 technical solution, a table-type ultraviolet sterilizer, comprising:

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 utility model discloses well whole sterilizing equipment sees through the mode of scanning and carries out two-dimensional scanning with circle light spot or line source, alright carry out complete face processing with the region of treating disinfecting, even there is unevenness's phenomenon in the surface of handling still can be complete sterilization, can effectively carry out effectual disinfecting to distance far away, has very high using value, has spreading value.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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

1. The bench-type ultraviolet sterilization device is characterized in that: the method comprises the following steps:

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 is connected with the other end of the optical fiber;

and the light evener is arranged at the front end of the buncher.

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.