CN210674685U

CN210674685U - Vehicle-mounted photocatalytic oxidation deodorization device

Info

Publication number: CN210674685U
Application number: CN201821987665.6U
Authority: CN
Inventors: 李捷; 陈浩华; 林程锦; 陈旭闻; 陈铭
Original assignee: FUZHOU UNIVERSITY ZHICHENG COLLEGE
Current assignee: FUZHOU UNIVERSITY ZHICHENG COLLEGE
Priority date: 2018-11-29
Filing date: 2018-11-29
Publication date: 2020-06-05
Anticipated expiration: 2028-11-29

Abstract

The utility model relates to an on-vehicle photocatalytic oxidation deodorizing device, including hemispherical last casing and the annular casing down of circle, the inner chamber of going up the casing has set gradually HEPA high efficiency filter screen, active carbon filter screen and titanium dioxide from last to doping silver-colored photocatalysis net, the middle part of casing is provided with turbofan down, and turbofan's below is provided with the gas outlet, and turbofan can inhale the air in the car and discharge from the gas outlet through the inlet port, be provided with ultraviolet banks spare in the ring of casing down, the outward flange of casing evenly is provided with the LED lamp of decorating usefulness down, the front end of casing is provided with starting switch down, the casing is fixed in square base top through three spinal branch posts down, and whole device presents the shape of flying saucer. The device not only possesses air-purifying, disinfect, formaldehyde and deodorization function, and the small and exquisite novelty of appearance, and the device is with low costs, and the area of breathing in is big, and air purification is efficient.

Description

Vehicle-mounted photocatalytic oxidation deodorization device

Technical Field

The utility model belongs to the technical field of air purification, concretely relates to on-vehicle photocatalysis purifies deodorizing device.

Background

Malodorous gas in the automobile not only harms the health of people, but also influences the comfortable environment in the automobile. The main emitting sources of the odor in the vehicle comprise paint, synthetic fiber, rubber, leather and the like in the vehicle. Common treatment methods mainly include a water washing method and an absorption method. The vehicle-mounted air purifier is called as a vehicle air purifier or an automobile air purifier, has the advantages of simple structure, low cost, small occupied area and convenient installation, and can be specially used for purifying the pollution in automobiles such as toxic and harmful gases (formaldehyde, benzene series, TVOC and the like), peculiar smell, bacteria, viruses, allergens and the like in the air in the automobiles.

The vehicle-mounted air purifier generally comprises a nano photocatalytic oxidation device (including simulated sunlight), a micro fan, a multi-layer composite filter and the like. The working principle is as follows: the micro fan in the machine makes the air in the vehicle circularly flow, the polluted air filters or adsorbs various pollutants after passing through PM2.5, pollen or dust filter screen and active carbon decomposition adsorption filter element in the machine, and then passes through the nano-photocatalysis net, and TiO on the net₂The coating generates hydroxyl free radicals under the excitation of UV ultraviolet rays, and the hydroxyl free radicals can oxidize and decompose any macromolecular organic matters into micromolecules; and the generated photo-generated electrons are easily oxidized by O₂Capture to generate O₂ ^-And further with H⁺The free radicals can promote the decomposition of organic matter to reach the aim of cleaning, sterilizing, deodorizing and purifying air.

The existing automobile interior deodorization is mainly covered by activated carbon adsorption, nano disinfection and balm and perfume; these methods have problems such as low efficiency, short duration, and non-radical elimination of toxic and harmful substances.

Disclosure of Invention

The utility model aims at: to prior art's not enough, provide a vehicle-mounted photocatalysis purification deodorizing device, not only possess air-purifying, disinfect, remove formaldehyde and deodorization function, and the small and exquisite novelty of appearance, the device is with low costs, and the area of breathing in is big.

The technical scheme of the utility model lies in:

the utility model provides an on-vehicle photocatalysis purifies deodorizing device, includes hemispherical last casing and the annular lower casing of circle, the inner chamber of going up the casing has set gradually HEPA high efficiency filter screen, active carbon filter screen and titanium dioxide doping silver-colored light catalytic net from last to bottom, the middle part of casing is provided with turbofan down, and turbofan's below is provided with the gas outlet, and turbofan can inhale the air in the car and discharge from the gas outlet through the inlet port, be provided with ultraviolet lamp subassembly in the ring of casing down, the outward flange of casing evenly is provided with the LED lamp of decorating usefulness down, the front end of casing is provided with starting switch down, the casing is fixed in square base top through three spinal branch posts down, and whole device presents the shape of flying saucer.

Furthermore, the upper shell is made of ABS resin material, the outer surface of the upper shell is uniformly provided with air inlet holes, the inner cavity of the upper shell is provided with grooves which are respectively and movably connected with the HEPA high-efficiency filter screen, the activated carbon filter screen and the titanium dioxide doped silver photocatalytic network, and the upper shell is convenient to disassemble and replace, and the distances among the HEPA high-efficiency filter screen, the activated carbon filter screen and the titanium dioxide doped silver photocatalytic network are respectively 3-5mm and are hemispherical.

Furthermore, the HEPA high-efficiency filter screen is used for filtering large-particle substances and most small particles, the activated carbon filter screen is used for adsorbing small-particle substances and harmful substances, and the titanium dioxide doped silver photocatalysis screen has the effects of decomposing organic matters and eliminating malodorous gases after being irradiated by ultraviolet rays with the wavelength of 245 nm.

Further, the titanium dioxide doped silver photocatalytic net is a carbon fiber layer coated with a silver modified titanium dioxide coating on the surface.

Furthermore, the edge of the lower shell is provided with a USB interface for supplying power, the USB interface is respectively electrically connected with the turbofan and the ultraviolet lamp assembly, and the USB interface can be externally connected with a vehicle-mounted USB charger.

Further, the ultraviolet lamp component comprises a circuit board and a long-wave ultraviolet lamp, wherein the long-wave ultraviolet lamp is an LED lamp bead with the wavelength of 254nm, and the irradiation direction of the long-wave ultraviolet lamp is the innermost titanium dioxide doped silver photocatalysis net.

Compared with the prior art, the utility model has the advantages of it is following: the vehicle-mounted photocatalytic purification and deodorization device not only has the functions of purifying air, sterilizing, removing formaldehyde and deodorizing, but also has the advantages of small and novel shape, low device cost, large air suction area and high air purification efficiency.

Drawings

Fig. 1 is a front sectional view of the present invention;

fig. 2 is a top view of the lower housing of the present invention;

fig. 3 is a perspective view of the present invention;

in the figure: 1-upper shell, 2-HEPA high-efficiency filter screen, 3-activated carbon filter screen, 4-titanium dioxide doped silver photocatalysis screen, 5-turbofan, 6-ultraviolet lamp component, 7-support, 8-USB interface, 9-lower shell, 10-square base, 11-LED lamp, 12-starting switch.

Detailed Description

In order to make the aforementioned features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below, but the present invention is not limited thereto.

Refer to fig. 1, 2 and 3

The utility model provides an on-vehicle photocatalysis purifies deodorizing device, includes hemispherical last casing 1 and the annular lower casing 9 of titanium dioxide, the inner chamber of going up casing 1 has set gradually HEPA high efficiency filter screen 2, active carbon filter screen 3 and titanium dioxide doping silver photocatalysis net 4 from last down, the middle part of casing 9 is provided with turbofan 5 down, and turbofan 5's below is provided with the gas outlet, and turbofan 5 can inhale the air in the car and discharge from the gas outlet through the inlet port, be provided with ultraviolet lamp subassembly 6 in the ring of casing 9 down, the outward flange of casing 9 evenly is provided with LED lamp 11 of decorating usefulness down, the front end of casing 9 is provided with starting switch 12 down, casing 9 is fixed in square base 10 top through three spinal branch posts 7 down, and whole device presents the shape of flying saucer.

In this embodiment, go up casing 1 and make by ABS resin material, its surface evenly is provided with the inlet port, and its inner chamber is provided with the recess, respectively with HEPA high efficiency filter screen 2, active carbon filter screen 3 and titanium dioxide doping silver light catalytic net 4 swing joint, convenient to detach replacement, the interval between HEPA high efficiency filter screen 2, active carbon filter screen 3 and the titanium dioxide doping silver light catalytic net 4 three is 4mm respectively, and all is hemispherical.

In this embodiment, HEPA high efficiency filter screen 2 is used for filtering large granule material and most tiny particle, and active carbon filter screen 3 is used for adsorbing tiny particle material and harmful substance, and titanium dioxide adulterates silver light catalytic net 4 and has the effect of decomposing organic matter, eliminating foul gas after receiving the ultraviolet irradiation that the wavelength is 245 nm.

In this embodiment, the titanium dioxide doped silver photocatalytic network 4 is a carbon fiber layer coated with a silver modified titanium dioxide coating on the surface.

In this embodiment, the lower casing edge is provided with a USB interface 8 for power supply, and is electrically connected with turbofan 5 and ultraviolet lamp assembly 6 respectively, and can connect externally on-vehicle USB charger.

In this embodiment, the ultraviolet lamp assembly 6 includes a circuit board and a long wave ultraviolet lamp, wherein the long wave ultraviolet lamp is an LED lamp bead with a wavelength of 254nm, and the irradiation direction of the long wave ultraviolet lamp is the innermost titanium dioxide doped silver photocatalysis net 4.

The working principle of the vehicle-mounted photocatalytic purification and deodorization device is as follows: the USB interface 8 is connected with a vehicle-mounted USB charger, the starting switch 12 is started, the turbofan 5 and the long wave ultraviolet lamp in the ultraviolet lamp assembly 6 are started, and air in the automobile is sucked from the air inlet hole on the surface of the upper shell 1 under the action of the turbofan 5In the entering device, firstly, through HEPA high-efficiency filter screen 2, large particulate matters and most of small particles in the air are filtered, then through active carbon filter screen 3, small particulate matters and harmful substances are adsorbed, when being contacted with titanium dioxide doped silver photocatalysis screen 4 after being filtered by double layers, under irradiation of long-wave ultraviolet lamp, TiO is₂The coating generates hydroxyl free radical which can oxidize and decompose any macromolecular organic matter into micromolecules, and the generated photo-generated electrons are easy to be O₂Capture to generate O₂ ^-And further with H⁺OH, etc., which promote the decomposition of organic substances, thereby achieving the purpose of cleaning, sterilizing, deodorizing and purifying the air, and the purified air is discharged out of the apparatus under the guidance of the turbofan 5.

The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.

Claims

1. The utility model provides an on-vehicle photocatalytic oxidation deodorizing device, includes hemispherical last casing and the annular lower casing of circle, its characterized in that: an HEPA high-efficiency filter screen, an active carbon filter screen and a titanium dioxide doped silver photocatalysis screen are sequentially arranged in an inner cavity of the upper shell from top to bottom, a turbofan is arranged in the middle of the lower shell, an air outlet is formed below the turbofan, an ultraviolet lamp assembly is arranged in a circular ring of the lower shell, decorative LED lamps are uniformly arranged on the outer edge of the lower shell, a starting switch is arranged at the front end of the lower shell, and the lower shell is fixed above the square base through three supporting columns;

the upper shell is made of ABS resin material, the outer surface of the upper shell is uniformly provided with air inlet holes, the inner cavity of the upper shell is provided with grooves, and the upper shell is respectively and movably connected with an HEPA high-efficiency filter screen, an active carbon filter screen and a titanium dioxide doped silver photocatalysis screen; the titanium dioxide doped silver photocatalytic net is a carbon fiber layer, the surface of which is coated with a nano silver modified titanium dioxide coating; the edge of the lower shell is provided with a USB interface for supplying power, and the USB interface is respectively and electrically connected with the turbofan and the ultraviolet lamp assembly; the ultraviolet lamp component comprises a circuit board and a long-wave ultraviolet lamp, wherein the long-wave ultraviolet lamp is an LED lamp bead with the wavelength of 254 nanometers.