CN212439448U

CN212439448U - Ultraviolet light photocatalyst sterilizer

Info

Publication number: CN212439448U
Application number: CN202020507461.9U
Authority: CN
Inventors: 蔡纶
Original assignee: SHANGHONG TECHNOLOGY CO LTD
Current assignee: SHANGHONG TECHNOLOGY CO LTD
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2021-02-02
Anticipated expiration: 2030-04-09

Abstract

The application provides an ultraviolet light photocatalyst sterilizer, contains a resonance chamber, a light source sets up the intermediate position in this resonance chamber to and at least one photocatalyst subassembly sets up in this resonance chamber, this photocatalyst subassembly has a carrier in order to carry a photocatalyst material, wherein this resonance chamber surface is the smooth surface and has the light reflection characteristic and make photon shake in this resonance chamber back and forth, makes the light source can effectively be utilized.

Description

Ultraviolet light photocatalyst sterilizer

Technical Field

The present application relates to sterilizers, and more particularly to an ultraviolet photocatalyst sterilizer.

Background

Ultraviolet rays have good sterilization and disinfection effects, and ultraviolet ray disinfection lamps are widely used at present and are the best method for sterilizing and disinfecting infectious viruses, and a photocatalyst (photocatalytic) is a catalyst which utilizes light energy to perform catalytic reaction.

A common combination of ultraviolet light and photocatalyst is described in taiwan patent application No. TWI511768B, which is to cover a metal mesh with a photocatalyst material to increase the area of the photocatalyst irradiated by the ultraviolet light and improve the filtering effect. However, in this configuration, the metal mesh with saw-tooth or arc-shaped protrusions can make the energy emitted by the ultraviolet light not be utilized effectively.

SUMMERY OF THE UTILITY MODEL

The purpose of this application is to provide one kind and effectively combines ultraviolet sterilization and photocatalyst sterilization, makes the light source can be effectively utilized.

In view of the above, the present application provides an ultraviolet photo-catalytic sterilizer, which includes a resonant chamber, a light source disposed at a middle position in the resonant chamber, and at least one photo-catalytic component disposed in the resonant chamber, wherein the photo-catalytic component has a carrier for carrying a photo-catalytic material. The surface of the resonant cavity has light reflection characteristics to enable photons to oscillate back and forth in the resonant cavity, so that a light source can be effectively utilized.

Further, the light source has a single wavelength light source or a continuous light source with a wavelength less than 450 nm, and the light source can be a point light source, a line light source and a surface light source.

Further, the photocatalyst material is a single metal oxide with semiconductor characteristics, a composite metal oxide or a metal oxide doped metal element with semiconductor characteristics.

Further, the resonance chamber may be a cylinder or a polyhedron having reflecting planes.

Furthermore, the photocatalyst component has three parts, wherein two parts of the photocatalyst component are respectively arranged at two ends of the resonant cavity, and one or more than one of the parts are arranged in the resonant cavity at intervals.

Other features and embodiments of the present application will be described in detail below with reference to the drawings.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of a first embodiment;

fig. 2 is a schematic view of a second embodiment.

Description of the symbols

10: resonance chamber 20: light source 30: photocatalyst component

Detailed Description

The positional relationship described in the following embodiments includes: the top, bottom, left and right, unless otherwise indicated, are based on the orientation of the elements in the drawings.

Referring to fig. 1 to 2, an ultraviolet photocatalyst sterilizer is shown, which includes a resonant chamber 10, a light source 20 disposed at a middle position in the resonant chamber 10, and at least one photocatalyst element 30 disposed in the resonant chamber 10 at intervals, wherein the photocatalyst element 30 has a carrier for carrying a photocatalyst material.

In the present embodiment, the inner surface of the resonant cavity 10 is a smooth surface and has light reflection characteristics so that photons can oscillate back and forth in the resonant cavity 10, thereby enabling the light source 20 to be effectively utilized. The light source 20 may be a single wavelength light source or a continuous light source with a wavelength less than 450 nm, and the light source may be a point light source, a line light source or a surface light source.

In this embodiment, the carrier may be any solid material, and the carrier itself has holes for allowing fluid to pass through. The photocatalyst material is a single metal oxide with semiconductor characteristics, a composite metal oxide or a metal oxide doped metal element with semiconductor characteristics. Single metal oxides with semiconductor properties such as: zinc oxide (ZnO), titanium dioxide (TiO2), tin dioxide (SnO2), cadmium sulfide (CdS), zirconium oxide (ZrO2), tungsten oxide (WO)₃) The composite metal oxide having semiconductor characteristics is a mixture of two or more single metal oxides having semiconductor characteristics at an arbitrary ratio. The metal oxide mixed metal element with semiconductor property is metal oxide mixed metal element with semiconductor property, such as goldThe metal element is gold, silver, platinum, palladium, etc.

In the present embodiment, the fluid flowing direction is the fluid inlet, the other end is the fluid outlet, the resonant chamber 10 is a cylinder and has four photocatalyst elements 30, wherein the photocatalyst elements 30 can be disposed in the resonant chamber 10 at intervals (as shown in fig. 1), two of the photocatalyst elements 30 are disposed close to the fluid inlet and the fluid outlet, and the other two photocatalyst elements 30 are disposed on the light source 20 at intervals. In addition, in other embodiments, the resonance chamber 10 may be a square (as shown in fig. 2), the photocatalyst element 30 is disposed near the fluid outlet, in other embodiments, the resonance chamber 10 may be a cylinder, a polygonal cylinder or other geometric shape, and the photocatalyst element 30 may be disposed at any position in the resonance chamber 10 in any form, and after the light source 20 emits light, photons oscillate back and forth between the surfaces of the resonance chamber 10 and excite the photocatalyst element 30, so that not only can the light source 20 achieve the best use efficiency, but also the sterilization and disinfection effects can be achieved at the same time.

The above-described embodiments and/or implementations are only for illustrating the preferred embodiments and/or implementations of the technology of the present application, and are not intended to limit the implementations of the technology of the present application in any way, and those skilled in the art can make modifications or changes to other equivalent embodiments without departing from the scope of the technology disclosed in the present application, but should be construed as technology or implementations substantially the same as the present application.

Claims

1. An ultraviolet photocatalyst sterilizer, comprising:

a resonant cavity, the inner surface of the resonant cavity is a smooth surface and has light reflection characteristics;

a light source disposed in the resonant cavity; and

at least one photocatalyst component is arranged in the resonant cavity and is provided with a carrier for carrying a photocatalyst material.

2. The UV-photocatalytic sterilizer of claim 1, wherein the light source has a single wavelength light source or a continuous light source with a wavelength of less than 450 nm.

3. The UV photo-catalytic sterilizer of claim 1, wherein the light source is a point light source, a line light source or a surface light source.

4. The UV-photocatalytic sterilizer as claimed in claim 1, wherein the resonant chamber is a cylinder or a polyhedron having a reflecting plane.

5. The UV photo-catalytic sterilizer as claimed in claim 1, wherein the photo-catalytic material is a single metal oxide, a composite metal oxide or a metal oxide doped metal element with semiconductor properties.

6. The UV-photocatalytic sterilizer of claim 1, wherein the photocatalyst element has three portions, which are spaced apart from each other in the resonant chamber.

7. The ultraviolet photocatalytic sterilizer of claim 6, wherein two photocatalyst elements are respectively disposed at two ends of the resonant chamber.

8. The UV-photocatalytic sterilizer as claimed in claim 1, wherein the inner surface of the resonant chamber has a characteristic of reflecting UV light.