CN213300411U

CN213300411U - Photocatalyst environment purification device

Info

Publication number: CN213300411U
Application number: CN202022316783.8U
Authority: CN
Inventors: 王小康
Original assignee: Nanjing Xingbani Environmental Protection Technology Co ltd
Current assignee: Nanjing Xingbani Environmental Protection Technology Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-05-28
Anticipated expiration: 2030-10-16

Abstract

The utility model discloses a photocatalyst environment purification device, which comprises a shell, wherein an air inlet and an air outlet are respectively arranged at two ends of the shell, a first fan is arranged at the air inlet, a second fan is arranged at the air outlet, a first filtering module is arranged in the shell close to the first fan, a second filtering module is arranged in the shell close to the second fan, and a light guide assembly is arranged between the first filtering module and the second filtering module; the inner wall of the shell is sprayed with a photocatalyst, and the light guide component comprises at least one light guide plate; the LED lamp comprises a light guide plate and is characterized in that a plurality of UV-LED lamps are arranged at two ends of the light guide plate, circuit boards are welded on the outer sides of the UV-LED lamps, and bases are arranged at two sides of the light guide plate to package the circuit boards and the UV-LED lamps. The utility model discloses improved the light energy utilization ratio greatly, reduced the energy consumption, overall structure is simple, and is small, sturdy and durable.

Description

Photocatalyst environment purification device

Technical Field

The utility model belongs to the technical field of air purification, concretely relates to photocatalyst environment purification device.

Background

In modern cities, the degree of indoor air pollution is many times higher than that of outdoor air pollution, more importantly, more than 80% of urban population spends seven times indoors, and children, pregnant women and chronic patients are more obviously harmed by indoor environmental pollution because the children, the pregnant women and the chronic patients stay indoors for a longer time than other people. The problem of indoor environmental pollution becomes the main problem that influences the health and safety of people in modern society, and the selection of more and more families is becoming to improve indoor environment through air purifier.

The photocatalyst air purifier has the functional advantages of rapid decomposition of harmful and toxic gases, efficient sterilization, peculiar smell removal, efficient dust adsorption and the like, has a great functional effect on improvement of air quality, has a prominent application value, and is more and more favored by consumers. However, the existing photocatalyst air purifier needs to ensure enough ultraviolet irradiation when in use to achieve a relatively obvious sterilization effect, and has the problems of high energy consumption and low purification efficiency after long-term use.

Disclosure of Invention

The purpose of the invention is as follows: the utility model discloses an aim at is not enough to prior art, provides a photocatalyst environment purification device, has improved the light energy utilization rate, has reduced the energy consumption.

The technical scheme is as follows: the photocatalyst environment purification device comprises a shell, wherein an air inlet and an air outlet are respectively arranged at two ends of the shell, a first fan is arranged at the air inlet, a second fan is arranged at the air outlet, a first filtering module is arranged in the shell close to the first fan, a second filtering module is arranged in the shell close to the second fan, and a light guide assembly is arranged between the first filtering module and the second filtering module; the inner wall of the shell is sprayed with a photocatalyst, and the light guide component comprises at least one light guide plate; the LED lamp comprises a light guide plate and is characterized in that a plurality of UV-LED lamps are arranged at two ends of the light guide plate, circuit boards are welded on the outer sides of the UV-LED lamps, and bases are arranged at two sides of the light guide plate to package the circuit boards and the UV-LED lamps.

Further perfecting the technical scheme, the number of the light guide plates is 3-5, and the light guide plates are in butt joint with each other end to end along the transverse direction.

Further, the length of the light guide plate is 120-200 mm, the width of the light guide plate is 40-80 mm, and the height of the light guide plate is 3-5 mm.

Furthermore, the light guide plate is made of polymethyl methacrylate.

Further, the wavelength of the UV-LED lamp is 280-380 nm.

Further, each side of the light guide plate is provided with 3 UV-LED lamps.

Further, the first filtering module is a coarse fiber filtering layer, and the second filtering module is an activated carbon filtering layer.

Has the advantages that: compared with the prior art, the utility model has the advantages of: the utility model discloses spraying photocatalyst on the casing wall adopts light guide plate guide light, makes pointolite or line source become the area source through dredging of light guide plate, has improved the light-emitting degree of consistency of light guide plate when maintaining original light quantity, has improved light energy utilization greatly and has rateed the energy consumption.

The photocatalyst is sprayed on the wall of the shell, a plurality of light guide plates are arranged in the shell and are connected in a butt joint mode, UV-LED lamps are arranged on two sides of each light guide plate, the wavelength of each UV-LED lamp is 280-380 nm, and through the combination, the light energy utilization rate in the shell is optimal. The light guide plate is made of polymethyl methacrylate, and has high strength, excellent light transmittance and good plasticity.

The both ends of the shell are provided with the fan and the filter module, so that the filter effect is improved, and the shell is simple in integral structure, small in size, firm and durable.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of the light guide assembly of the present invention;

fig. 3 is a schematic structural diagram of the light guide plate, the UV-LED lamp and the circuit board of the present invention.

Detailed Description

The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.

The photocatalyst environment purifying device shown in fig. 1 comprises a shell, wherein an air inlet and an air outlet are respectively arranged at two ends of the shell, a first fan 1 is arranged at the air inlet, a second fan 5 is arranged at the air outlet, a coarse fiber filter layer 2 is arranged in the shell close to the first fan 1, and an activated carbon filter layer 4 is arranged in the shell close to the second fan 5. The inner wall of the shell is sprayed with photocatalyst, a light guide component 3 is arranged between a coarse fiber filter layer 2 and an active carbon filter layer 4 in the shell,

as shown in fig. 2 and 3, the light guide assembly 3 includes three light guide plates 31, the light guide plates 31 are connected end to end in a transverse direction, three UV-LED lamps 34 are disposed at two ends of each light guide plate 31, a circuit board 33 is welded outside the UV-LED lamps 34, the circuit board 33 is connected with the UV-LED lamps 34 and forms a fixed support for the UV-LED lamps 34, a control circuit is disposed on the circuit board 33 to control the on and off of the UV-LED lamps 34, and bases 32 are disposed at two sides of the light guide plates 31 to encapsulate the circuit board 33 and the UV-LED lamps 34, so as to prevent light leakage at end faces of the UV-LED.

The wavelength of the UV-LED lamp 34 is 365 nm; the light guide plate 31 has a length of 150mm, a width of 60mm and a height of 3.5mm, and is made of polymethyl methacrylate.

The UV-LED lamp 34 is combined with the light guide plate 31, based on the total reflection principle, when the light of the UV-LED lamp 34 is incident into the light guide plate 31 from the side surface, the light can be transmitted forwards in the light guide plate 31, and after scattering dots or microstructures with a certain arrangement rule are formed on the lower surface of the light guide plate 31, the scattering effect of the scattering dots or microstructures can destroy the total reflection of the light in the light guide plate 31, so that the light can be emitted from the upper surface of the light guide plate 31, and a point light source or a line light source is converted into a surface light source, thereby improving the light emitting uniformity, improving the light energy utilization rate and reducing.

As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a photocatalyst environment purification device, includes the casing, and the casing both ends are equipped with air intake, air outlet, its characterized in that respectively: a first fan is arranged at the air inlet, a second fan is arranged at the air outlet, a first filtering module is arranged in the shell close to the first fan, a second filtering module is arranged in the shell close to the second fan, and a light guide assembly is arranged between the first filtering module and the second filtering module; the inner wall of the shell is sprayed with a photocatalyst, and the light guide component comprises at least one light guide plate; the LED lamp comprises a light guide plate and is characterized in that a plurality of UV-LED lamps are arranged at two ends of the light guide plate, circuit boards are welded on the outer sides of the UV-LED lamps, and bases are arranged at two sides of the light guide plate to package the circuit boards and the UV-LED lamps.

2. The photocatalyst environment purification apparatus as defined in claim 1, wherein: the number of the light guide plates is 3-5, and the light guide plates are connected in a butt joint mode end to end in the transverse direction.

3. The photocatalyst environment purification apparatus as defined in claim 2, wherein: the light guide plate is 120-200 mm long, 40-80 mm wide and 3-5 mm high.

4. The photocatalyst environment purification apparatus as defined in claim 3, wherein: the light guide plate is made of polymethyl methacrylate.

5. The photocatalyst environment purification apparatus as defined in claim 1, wherein: the wavelength of the UV-LED lamp is 280-380 nm.

6. The photocatalyst environment purification apparatus as defined in claim 1 or 5, wherein: each side of the light guide plate is provided with 3 UV-LED lamps.

7. The photocatalyst environment purification apparatus as defined in claim 1, wherein: the first filtering module is a coarse fiber filtering layer, and the second filtering module is an activated carbon filtering layer.