CN211476168U - Composite ultraviolet sterilization device - Google Patents

Abstract

A composite ultraviolet sterilization apparatus, comprising, in addition to an air inlet and an air outlet: at least one constant current source; at least one ultraviolet LED; at least one sterilizing screen; and at least one ultraviolet blocking module; the constant current power supply is that ultraviolet LED supplies energy, ultraviolet LED can shine degerming filter screen, hinder ultraviolet module setting at gas outlet or air inlet or set up simultaneously at gas outlet and air inlet. The utility model discloses a compound ultraviolet ray bacteria removing device can use with the cooperation of indoor air conditioning equipment such as air conditioner, air purifier, humidifier, can realize the effective degerming in space, realizes clean to the circulation of room air, provides more healthy environment for the user.

Description

Composite ultraviolet sterilization device

Technical Field

The utility model relates to an air purification field, more specifically relates to a compound ultraviolet ray bacteria removing device.

Background

The air-conditioned room is very easy to breed pathogenic microorganisms due to the reasons of strong tightness, poor air fluidity, small air volume, no window opening for a long time, insufficient sunlight and the like. According to statistics, in a closed room with an open air conditioner, after 5 to 6 hours, the indoor oxygen is reduced by 13.2%, the Escherichia coli is increased by 1.2%, the red mould is increased by 1.11%, the diphtheria bacteria are increased by 0.5%, and other harmful bacteria in respiratory tracts are increased to different degrees.

In addition, parts such as an air pipe, a fan, a fin and the like of the air conditioner are also suitable for survival and propagation of germs and viruses, and the germs and the viruses are blown out by the air conditioner, so that large-scale infection is easily caused. In order to solve the problem, some air conditioners are provided with space dust collectors or ultraviolet ray sterilizers inside the air conditioners, so that certain sterilization effect can be achieved. However, the sterilization and degerming devices arranged in the existing air conditioner have single function and small action area, so that the air conditioner cannot perform all-around degerming; and the device provided with the ultraviolet sterilization has a large risk of leakage and contamination of ultraviolet rays.

Disclosure of Invention

The utility model aims at providing a compound ultraviolet ray bacteria removing device to remedy prior art's not enough.

In order to achieve the above purpose, the specific technical scheme of the utility model is that:

a composite ultraviolet sterilization apparatus, comprising, in addition to an air inlet and an air outlet:

at least one constant current source; at least one ultraviolet LED; at least one sterilizing screen; and at least one ultraviolet blocking module; the constant current power supply is that ultraviolet LED supplies energy, ultraviolet LED can shine degerming filter screen, hinder ultraviolet module setting at gas outlet or air inlet or set up simultaneously at gas outlet and air inlet.

In one embodiment, the constant current power supply is either ac or dc powered.

In one embodiment, the ultraviolet LED is in the UVA or UVC band.

In one embodiment, the sterilization filter is a filter with sterilization function such as photocatalyst, cold catalyst, or silver ion.

In one embodiment, the sterilizing screen is a metal foam substrate.

In one embodiment, the inner part of the ultraviolet blocking module is provided with a circular or polygonal air channel which is a straight hole or an inclined hole with an angle; the inner surface and the outer surface of the ultraviolet ray blocking module are coated with coatings with ultraviolet ray absorbing function; in order to ensure the shading effect, the ultraviolet irradiation angle is perpendicular to the inner wall of the air channel, so that all ultraviolet rays irradiate the inner wall of the channel to effectively shade and absorb the ultraviolet rays, and the design purpose of shading nets, namely ventilation and light-proof, is achieved.

In one embodiment, at least one heat sink is further disposed in the sterilization device, the heat sink is close to the ultraviolet LED, and the heat sink is made of a metal or non-metal material with high thermal conductivity.

In one embodiment, the sterilization device is further provided with an LED indicator light for indicating the working state of the whole device.

The utility model has the advantages and the technical effect:

the utility model discloses a compound ultraviolet ray bacteria removing device can use with the cooperation of indoor air conditioning equipment such as air conditioner, air purifier, humidifier, can realize the effective degerming in space, realizes clean to the circulation of room air, provides more healthy environment for the user. More importantly, the device is provided with the modules for absorbing or shielding ultraviolet rays at the air inlet and the air outlet, so that the leakage of ultraviolet rays is effectively prevented through multiple absorption, and the indoor ultraviolet pollution caused by ultraviolet ray leakage is avoided.

Drawings

Fig. 1 is a schematic structural diagram of the present invention applied to an air conditioner.

Fig. 2 is a schematic structural diagram of an exemplary embodiment of the present invention.

Fig. 3 is an exploded view of an exemplary embodiment of the present invention.

Fig. 4 is a schematic perspective view of an ultraviolet blocking module with an angled inclined hole in a circular hole channel according to an exemplary embodiment of the present invention.

Fig. 5 is a schematic plan view of a uv blocking module with angled inclined holes for a circular hole channel according to an exemplary embodiment of the present invention.

Fig. 6 is a schematic perspective view of a uv blocking module with angled inclined holes for polygonal channels according to an exemplary embodiment of the present invention.

Fig. 7 is a schematic view of a polygonal channel angled hole blocked uv module in a vertical plane, according to an exemplary embodiment of the present invention.

Fig. 8 is a schematic perspective view of a metal foam substrate photocatalytic sterilization filter according to an exemplary embodiment of the present invention.

Fig. 9 is a schematic plan view of a metal mesh substrate photocatalytic sterilization filter according to an exemplary embodiment of the present invention.

Fig. 10 is a schematic view of the blocking of the inner wall of the channel in the uv module from the angle of the uv lamp light according to an exemplary embodiment of the present invention.

The system comprises an air conditioner 1, a compound ultraviolet sterilization device 2, a constant current power supply 21, an ultraviolet LED22, a sterilization filter screen 23, an ultraviolet blocking module 24, an LED 25 and a radiator 26.

Detailed Description

Illustrative, non-limiting embodiments of the present invention will be described in detail below with reference to the accompanying drawings, further illustrating the composite ultraviolet sterilization apparatus according to the present invention.

As shown in fig. 2 to 3, a composite ultraviolet sterilization apparatus includes, in addition to an air inlet and an air outlet:

at least one constant current power supply 21; at least one ultraviolet LED 22; at least one sterilizing screen 23; and at least one ultraviolet blocking module 24; the constant current power supply 21 supplies power to the ultraviolet LED22, the ultraviolet LED22 can irradiate the degerming filter screen 23, and the ultraviolet blocking module 24 is arranged at the air outlet or the air inlet or at the air outlet and the air inlet simultaneously.

In one embodiment, the constant current source 21 is either ac or dc powered.

In one embodiment, the ultraviolet LED22 is in the UVA or UVC band; can generate UVA wave band ultraviolet rays to excite the photocatalyst 23 to generate high-energy particles, and then the strong oxidizing property of the particles is utilized to destroy the biological tissues of bacteria, and simultaneously, the particles have the function of decomposing chemical substances with peculiar smell.

In one embodiment, the sterilization filter 23 is a filter with sterilization function (as shown in fig. 9) such as a photocatalyst, a cold catalyst, or silver ions, and the sterilization function can be realized by using silver ions or other filters with sterilization function.

In one embodiment, the sterilizing screen 23 is a metal foam substrate (as shown in FIG. 8).

In one embodiment, as shown in fig. 4-7, the interior of the uv blocking module 24 has circular or polygonal air channels, which are straight holes or angled holes; the inner surface and the outer surface of the ultraviolet ray blocking module 24 are coated with coatings with ultraviolet ray absorption function; in order to ensure the shading effect, the ultraviolet irradiation angle is perpendicular to the inner wall of the air channel, so that all ultraviolet rays irradiate the inner wall of the air channel, and the ultraviolet rays are effectively shaded and absorbed, thereby achieving the purpose of shading net design, namely ventilation and light-proof (as shown in fig. 10).

In one embodiment, at least one heat sink 26 is disposed in the sterilization apparatus, the heat sink 26 is adjacent to the ultraviolet LED22, and the heat sink 26 is made of a metal or non-metal material with high thermal conductivity.

In one embodiment, the sterilization apparatus is further provided with an LED indicator light 25 for indicating the working status of the entire apparatus.

As shown in fig. 1, the composite ultraviolet sterilization apparatus may be installed in an air conditioning apparatus or a refrigerator fresh-keeping apparatus 1, and the air conditioning apparatus or the refrigerator fresh-keeping apparatus 1 may be any air conditioner, air purifier, humidifier, dehumidifier, refrigerator, etc. commonly used in the art. The composite ultraviolet sterilization device is arranged in an air duct of the air conditioning device or the refrigerator fresh-keeping device 1 and is used for removing microorganisms such as bacteria and viruses in the air in a room or in a box body when the air conditioning device or the refrigerator fresh-keeping device 1 performs air exchange.

When the composite ultraviolet sterilization device is used, the working state is displayed as follows: the indicator light and the ultraviolet LED are turned on, gas enters from the gas inlet, and is discharged from the gas outlet after being subjected to sterilization and filtration by the sterilization filter screen; the blocking ultraviolet module that this device set up for avoiding ultraviolet ray to leak indoor light pollution that causes all has the setting at air inlet and gas outlet, can effectively avoid ultraviolet leakage.

According to the above description, the utility model discloses a compound ultraviolet ray bacteria removing device can realize indoor or the interior degerming of box to kill various germs and viruses, provide healthier environment for the user.

Although exemplary embodiments of the present invention have been described, it will be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims (8)

1. A compound ultraviolet degerming device, except air inlet and gas outlet, its characterized in that still includes: at least one constant current source (21); at least one ultraviolet LED (22); at least one sterilizing screen (23); and at least one uv blocking module (24); constant current power supply (21) is ultraviolet LED (22) energy supply, ultraviolet LED (22) can shine degerming filter screen (23), hinder ultraviolet module (24) to set up at gas outlet or air inlet or set up at gas outlet and air inlet simultaneously.

2. The composite ultraviolet sterilization apparatus according to claim 1, wherein the constant current power source (21) is supplied with alternating current or direct current.

3. The composite uv degerming device of claim 1, wherein said uv LED (22) is in UVA or UVC band.

4. The ultraviolet sterilization apparatus as claimed in claim 1, wherein the sterilization screen (23) is a screen with sterilization function of photocatalyst, cold catalyst or silver ion.

5. The composite ultraviolet sterilization apparatus as defined in claim 1, wherein the sterilization screen (23) is made of a metal foam substrate.

6. The composite uv degerming apparatus as recited in claim 1, wherein said uv blocking module (24) has circular or polygonal air passages inside, the passages being straight holes or angled holes; the inner surface and the outer surface of the ultraviolet ray blocking module (24) are coated with coatings with ultraviolet ray absorption function; in order to ensure the shading effect, the ultraviolet irradiation angle is perpendicular to the inner wall of the air channel, so that all ultraviolet rays irradiate the inner wall of the channel to effectively shade and absorb the ultraviolet rays, and the design purpose of shading nets, namely ventilation and light-proof, is achieved.

7. The composite uv degerming device of claim 1, further comprising at least one heat sink (26) within said degerming device, said heat sink (26) being located adjacent to said uv LED (22).

8. The composite uv degerming device according to claim 1, characterized in that it is further provided with LED indicator lights (25) for indicating the working status of the whole device.

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