CN209893570U

CN209893570U - Air purification device and air purification system

Info

Publication number: CN209893570U
Application number: CN201920682881.8U
Authority: CN
Inventors: 刘勇江; 张欣
Original assignee: Beiwei (chongqing) Science And Technology Co Ltd
Current assignee: Beiwei (chongqing) Science And Technology Co Ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-01-03
Anticipated expiration: 2029-05-14

Abstract

The utility model belongs to the technical field of the environmental protection, a air purification device and air purification system are related to. The air purification device comprises a reactor, a transparent photocatalytic substrate group, a light source and a reflection unit, wherein the transparent photocatalytic substrate group, the light source and the reflection unit are arranged in the reactor; the transparent photocatalytic substrate group consists of a plurality of transparent photocatalytic substrates arranged at intervals, the transparent photocatalytic substrates are arranged in a staggered mode to form a bent airflow channel for air circulation, and each transparent photocatalytic substrate is loaded with a photocatalyst material; the reflection unit is arranged in the light emitting direction of the light source and can reflect the light emitted by the light source to the transparent photocatalytic substrate. The photocatalytic air purification device of the utility model is provided with the tempered photocatalytic glass and the reflector, so that the light energy can be utilized to the utmost extent; the S-shaped gas channel is arranged, so that the photocatalytic reaction time can be effectively prolonged, and the air can be purified more thoroughly; the photocatalysis efficiency is high. Compared with the prior art, the utility model, design scientific and reasonable, the air-purifying effect is obvious.

Description

Air purification device and air purification system

Technical Field

The utility model belongs to the technical field of the environmental protection, a gaseous clarification plant is related to particularly, relate to an air purification device and air purification system.

Background

More than 500 volatile organic compounds exist in indoor air, and comprise more than 20 carcinogenic substances and more than 200 pathogenic viruses, wherein the major harmful pollutants mainly comprise: ammonia, formaldehyde, benzene, radon, and esters, trichloroethylene, and the like. The pollution degree of indoor air is 2-5 times more serious than that of outdoor air, and the content of harmful substances in the air in the vehicle is 5-10 times of that of the air in a house and an office. It is investigated that 68% of the diseases are due to indoor pollution, which has become one of five environmental factors that endanger human health.

In the prior art, the technologies commonly adopted by the air purifier include an adsorption technology, a negative (positive) ion technology, a catalysis technology, a photocatalyst technology, a HEPA high-efficiency filtration technology and the like. The related photocatalyst technology is considered to be an effective method for sterilizing and removing peculiar smell. The photocatalyst is a generic name of a semiconductor nanomaterial with a strong photocatalytic effect represented by titanium dioxide nanoparticles. After the photocatalyst is loaded on the surface of a base material, the photocatalyst can generate a strong photocatalytic degradation function under the excitation of light with a certain wavelength, can degrade harmful gases in the air, kill various bacteria, and simultaneously has the functions of deodorization, stain resistance and the like. The photocatalyst has long and effective purification effect and is suitable for an air purification device.

At present, the photocatalyst is mainly used for an air purification device and has the following defects: the service life of the ultraviolet lamp is low, and the long-term catalytic efficiency of the photocatalyst device is influenced; the ultraviolet lamp is large in size, so that the air purification device is large in size; most of photocatalyst carriers adopt metal substrates or filter screen materials, the light transmittance is poor, and the photocatalytic effect of the photocatalyst is reduced; the light path design of the photocatalytic reaction space is unreasonable, so that the light energy utilization rate is low, and the photocatalytic effect is influenced.

In view of this, the utility model is especially provided.

SUMMERY OF THE UTILITY MODEL

A first object of the utility model is to provide an air purification device, have the characteristics that photocatalytic reaction space light path reasonable in design, photocatalyst are high to the utilization ratio of light energy, photocatalytic efficiency is high, the air purification effect is obvious, can overcome above-mentioned problem or solve above-mentioned technical problem at least partially.

A second object of the present invention is to provide an air purification system, which comprises the above air purification device.

In order to achieve the above object, the utility model adopts the following technical scheme:

according to one aspect of the present invention, the present invention provides an air purification device, comprising a reactor, and a transparent photocatalytic substrate set, a light source and a reflection unit disposed inside the reactor;

the transparent photocatalytic substrate group consists of a plurality of transparent photocatalytic substrates arranged at intervals, the transparent photocatalytic substrates are arranged in a staggered mode to form a bent airflow channel for air circulation, and each transparent photocatalytic substrate is loaded with a photocatalyst material;

the reflection unit is arranged in the light source light emitting direction and can reflect the light emitted by the light source to the transparent photocatalytic substrate.

Preferably, the reflection unit is disposed in the light emitting direction of the front and back sides of the light source.

Preferably, the curved airflow channel is an "S" -shaped airflow channel, a "C" -shaped airflow channel, a zigzag-shaped airflow channel or a wave-shaped airflow channel.

Preferably, the transparent photocatalytic substrate is at least one of glass or transparent ceramic, preferably glass, and further preferably tempered glass;

preferably, the photocatalyst material is zinc oxide, nano titanium dioxide or modified nano titanium dioxide material.

Preferably, a plurality of said transparent photocatalytic substrates are arranged at equal or variable intervals, preferably at equal intervals;

preferably, the distance between two adjacent transparent photocatalytic substrates is 3-15 cm, and preferably 5-10 cm.

Preferably, an air inlet and an air outlet are respectively arranged at two sides of the reactor, the light source is arranged on the inner side wall of the reactor close to the air inlet, and the reflecting unit is arranged on the inner side wall of the reactor close to the air outlet;

preferably, the emission wavelength of the light source is matched with the absorption wavelength of the photocatalyst material, and the light source comprises at least one of a visible light LED light source or an ultraviolet LED light source;

preferably, the reflection unit is a mirror.

Preferably, the light source region is adapted to a cross-sectional area of the reflection unit, and the light source and the reflection unit are arranged in parallel relatively.

Preferably, a filter is also included;

the filter is arranged at the gas inlet of the reactor, and/or the filter is arranged at the gas outlet of the reactor.

Preferably, a micro-electrostatic filter and an activated carbon filter are arranged at the gas inlet of the reactor;

and/or a micro-electrostatic filter is arranged at the gas outlet of the reactor.

Preferably, the air inlet and the air outlet are both provided with a clamping groove, and the filter is installed in the clamping groove.

According to another aspect of the present invention, the present invention also provides an air purification system, including the above air purification device and the fan.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model provides an air purification device, including the reactor, set up the transparent photocatalysis substrate group of constituteing by a plurality of transparent photocatalysis substrate in the reactor, these transparent photocatalysis substrates staggered arrangement form the curved air current passageway that supplies the circulation of air to all load photocatalyst material on every transparent photocatalysis substrate, still set up light source and reflection unit in the reactor, reflection unit sets up in light source light jet-out direction and reflects the light that the light source sent to transparent photocatalysis substrate; therefore, through reasonable light path design, the utilization rate of the photocatalyst to light energy is increased, the photocatalytic efficiency is improved, the design is scientific and reasonable, and the air purifying effect is obvious. Furthermore, the air purification device is a photocatalyst indoor air purification device, a bent airflow channel is arranged in the reactor, so that the retention time of gas in the reactor is increased, the photocatalytic reaction time of organic pollutant gas on a photocatalyst carrier is effectively increased, various organic pollutants and microorganisms in indoor air can be efficiently removed, and the photocatalytic efficiency is improved; meanwhile, the photocatalyst carrier is a transparent carrier, so that the photocatalyst has better photocatalytic effect and obvious air purification effect while the light transmittance is ensured, and the photocatalyst is more fresh and suitable for being used indoors such as families, offices and the like.

2. The utility model discloses be provided with transparent photocatalysis substrate group and reflection unit, light path reasonable in design can finally get back to transparent photocatalysis substrate through multiple reflection under the effect of reflection unit with the light that the light source distributed out on, has reduced the waste of the energy, greatly increased the utilization ratio of light energy when not increasing the light source energy consumption, has promoted purification efficiency.

Drawings

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

Fig. 1 is a schematic structural view of an air purification apparatus provided in embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of an air purification apparatus provided in embodiment 2 of the present invention.

Icon: 1-a reactor; 2-a photocatalytic cavity; 3-air inlet; 4-air outlet; 5-micro electrostatic filter; 6-an activated carbon filter; 7-a transparent photocatalytic substrate; 8-a light source; 9-reflection unit.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to embodiments and examples, but those skilled in the art will understand that the following embodiments and examples are only for illustrating the present invention and should not be construed as limiting the scope of the present 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. Those who do not specify the conditions are performed according to the conventional conditions or the conditions recommended by the manufacturer.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In a first aspect, there is provided in at least one embodiment an air purification apparatus comprising a reactor, and a transparent photocatalytic substrate set, a light source and a reflection unit disposed inside the reactor;

It should be noted that:

herein, the transparent photocatalytic substrate refers to the material of the photocatalytic substrate is transparent, and the transparency generally refers to the property or ability of a substance to transmit light; the transparent photocatalytic substrate has high light transmittance or high light transmittance. The transparent photocatalyst substrate is used as a carrier for loading a photocatalyst, namely the photocatalyst, is transparent and penetrable, can create the effect of decomposing organic pollutants by using the photocatalyst in a smaller space, and increases the utilization rate of the photocatalyst to light energy.

Herein, the curved gas flow channel for air circulation formed by the staggered arrangement of the plurality of transparent photocatalytic substrates means that the reactor is provided with a gas flow channel penetrating through the reactor, and the gas flow channel is a curved gas flow channel formed by the staggered arrangement of the plurality of transparent photocatalytic substrates arranged in the reactor. Through the setting of crooked shape airflow channel, can increase the dwell time of air in the reactor inside, and then effectively increase the photocatalytic reaction time of organic pollutant gas on the photocatalyst carrier, various organic pollutants and microorganism in the efficient scavenging room air.

It is understood that "curved" is non-linear and is a shape having a shape and angle.

Herein, the reflection unit refers to a reflection member capable of reflecting light emitted from the light source, for example, ultraviolet light emitted from the light source, and the reflection unit is a reflection member capable of reflecting ultraviolet light. The reflection unit is arranged in the light source light emitting direction, light source light can be prevented from leaking and light can be converged on the transparent photocatalysis substrate group, so that the energy waste is reduced, the utilization rate of light energy is increased while the energy consumption of the light source is not increased, and the photocatalysis efficiency is improved.

Above-mentioned air purification device mainly uses indoors, for the indoor air purification device of photocatalyst, through reasonable light path design, has increased the utilization ratio of photocatalyst to the light energy, has improved photocatalysis efficiency to can effectively reduce the volume of device and the life of extension device, design scientific and reasonable, the air-purifying effect is obvious, makes the air more fresh, is suitable for various indoor uses such as family, office.

Unless defined or indicated otherwise, technical and scientific terms used herein have the same meaning as is familiar to those skilled in the art.

Herein, there is no particular limitation on the specific shape of the curved airflow passage as long as the object of the present invention is not limited; for example, various curved forms known in the art may be designed.

In a preferred embodiment, the curved airflow channel is an "S" -shaped airflow channel, a "C" -shaped airflow channel, a zigzag-shaped airflow channel, or a wave-shaped airflow channel.

It is understood that the present invention is not limited to the specific shape structure of the curved airflow channel, which includes but is not limited to the above-mentioned ones, and other similar curved airflow channels, such as V-shaped, Z-shaped, M-shaped, etc., are also enumerated.

Preferably, the curved airflow passage is an "S" shaped airflow passage. The S-shaped airflow channel can better ensure that air in the reactor stays for a long time, and the staying time of organic pollutants on the transparent photocatalytic substrate is prolonged, so that catalytic degradation, deodorization, purification reaction and the like are more fully performed.

It should be noted that the curved shape, such as the S-shape, is only schematic, i.e. similar general shape, and the actual air flow channel may also be a variation of the similar S-shape.

Herein, there is no particular limitation on the specific types of the transparent photocatalytic substrate and the photocatalytic material as long as the object of the present invention is not limited; for example, nano-titania materials well known to those skilled in the art may be used.

In a preferred embodiment, the transparent photocatalytic substrate is at least one of glass or transparent ceramic, preferably glass, and more preferably tempered glass.

According to the present invention, the transparent photocatalytic substrate can be made of various transparent materials known in the art, such as glass, transparent ceramic, etc., preferably glass, and more preferably tempered glass. The toughened glass is used as a carrier for loading the photocatalyst material, so that the photocatalyst material is wide in source, low in price, not easy to age, good in physical property, long in service life and high in ultraviolet light penetration rate, and the photocatalyst material is easily loaded on the photocatalyst material, for example, nano titanium dioxide can be directly sintered on the toughened glass, or the nano titanium dioxide is firmly fixed on the glass in a toughening mode, so that the photocatalyst material is convenient to process, good in bonding strength, not easy to fall off, firm and reliable.

The modified nano titanium dioxide material is a mixture containing functionalized nano titanium dioxide, which is obtained by mainly using nano titanium dioxide as a base material and modifying the nano titanium dioxide through surface modification or doping. The exciting light of the nano titanium dioxide is ultraviolet light, and the exciting light can be moved to a visible light region by modification means such as doping and the like.

The nano titanium dioxide material has the characteristic of high ultraviolet light absorption rate, has good photo-corrosion resistance and chemical stability, strong redox capability and higher photo-catalytic activity, has stronger adsorption effect on a plurality of organic pollutants, and can further play a role in eliminating peculiar smell.

In a preferred embodiment, a plurality of the transparent photocatalytic substrates are arranged at equal intervals or variable intervals, preferably at equal intervals;

According to the utility model discloses, set up a plurality of transparent photocatalysis substrates in the reactor, the parallel upright arrangement of the preferred equidistant of these transparent photocatalysis substrates helps making the light in the reactor more even, further improves the photocatalysis air-purifying efficiency of photocatalyst catalysis structure.

It should be noted that the utility model discloses do not do too much restriction to the quantity of transparent photocatalytic substrate in the reactor, it can be according to transparent photocatalytic substrate of configuration corresponding quantity such as actual space, device size, comprehensive cost.

The distance between two adjacent transparent photocatalytic substrates is 3 to 15cm, preferably 5 to 10cm, and typically, but not limited to, 3cm, 4cm, 5cm, 6cm, 7cm, 8cm, 9cm, 10cm, 11cm, 12cm, 13cm, 14cm or 15 cm. The distance between two adjacent transparent photocatalytic substrates is not easy to be too large or too small, and the proper substrate distance is beneficial to improving the utilization rate of the device, so that the photocatalytic effect is better.

In a preferred embodiment, the reactor is provided with an air inlet and an air outlet on both sides, the light source is disposed on the inner sidewall of the reactor near the air inlet, and the reflection unit is disposed on the inner sidewall of the reactor near the air outlet.

Preferably, the emission wavelength of the light source is matched with the absorption wavelength of the photocatalyst material, and the light source comprises at least one of a visible light LED light source or an ultraviolet LED light source, preferably an ultraviolet LED light source.

It is understood that the light source is determined according to the photocatalyst material, and not only the ultraviolet light source, but also the available white light or the corresponding wavelength light source responding to the visible light, etc. may be adopted. For example, when the photocatalyst material is (nano) zinc oxide, a visible light source or an ultraviolet light source can be adopted, and when the photocatalyst material is nano titanium dioxide, the ultraviolet light source can be adopted. The use of uv LED sources is preferred because uv is the most efficient intrinsic absorption, and is the best in a light-tight design of the device.

Preferably, the reflection unit is a mirror.

One surface of the reflector is plated with a reflective coating, preferably an ultraviolet reflective coating; the reflective coating may be any of a variety of coatings well known in the art, such as a polished aluminum layer or a polished molybdenum layer, and the like.

According to the utility model discloses, the reactor has the casing, and the casing is inside to be equipped with the photocatalysis chamber, and transparent photocatalysis substrate group, light source and reflection unit all set up inside the photocatalysis chamber. An air inlet and an air outlet are respectively arranged on two sides (such as the left side and the right side) of the shell, and air enters the photocatalytic cavity from the air inlet and is discharged from the air outlet.

A light source is arranged on the inner side wall of the reactor close to the gas inlet, namely a light source is arranged on the inner wall of the photocatalysis cavity at the gas inlet side; the inner side wall of the reactor close to the air outlet is provided with a reflecting unit, namely the inner wall of the photocatalytic cavity at the air outlet side is provided with the reflecting unit. Like this, set up the light source on the reactor inside wall that is close to the income gas port, set up the reflection unit on the reactor inside wall that is close to the gas outlet, help improving the photocatalysis effect, the air purification effect is obvious.

Preferably, the ultraviolet LED light source area is adapted to the cross-sectional area of the reflection unit, and the ultraviolet LED light source and the reflection unit are arranged in parallel relatively. Through adopting the regional setting that just parallel relatively placed of the size of LED ultraviolet lamp is equivalent with the speculum, can improve the photocatalysis effect, air purification effect is obvious.

It should be noted that the adaptation may also be referred to as adaptation, fitting or matching, i.e. the two are equal or equivalent in size or dimension.

According to the utility model discloses, do not do special restriction to the specific type of ultraviolet LED light source, can adopt the ultraviolet LED lamp of any type on the market. The ultraviolet LED light source is selected according to the peak position of the absorption wavelength of the photocatalyst. The wavelength of the ultraviolet light emitted by the ultraviolet LED light source needs to be matched with the absorption wavelength of the photocatalyst material on the transparent photocatalytic substrate, and the matching requirement is that the wavelength of the ultraviolet light emitted by the light source does not deviate from the effective absorption wavelength range of the photocatalyst material by +/-50 nm.

The power of an ultraviolet LED light source is selected according to the requirements of actual space, device size and comprehensive cost, and generally, the selection of a high-power LED ultraviolet lamp is beneficial to improving the ultraviolet irradiation illumination of unit area and reducing the volume of the reactor.

The ultraviolet LED lamp is used as a light source, and the device has the characteristics of small occupied volume, high integration, long service life, contribution to improvement of long-term catalytic efficiency of the device and the like.

According to the utility model discloses, do not do special restriction to the concrete type of reflection unit, as long as do not the purpose of the utility model produce the restriction can. For example, a mirror, a polished aluminum layer, a polished molybdenum layer, or the like may be used, and a mirror is preferably used. The reflector is used for reflecting ultraviolet light emitted by the ultraviolet LED lamp onto the transparent photocatalytic substrate, so that the leakage of the ultraviolet light is prevented, the energy waste is reduced, and the light energy utilization rate is high.

The reflector is used as a reflecting piece for reflecting ultraviolet light, so that the cost is low, the installation is convenient, the operation is easy, the structure is simple, and the reflecting effect is good.

In a preferred embodiment, the air cleaning device further comprises a filter;

According to the utility model discloses, be provided with the filter in income gas port department and/or gas outlet department, promptly the utility model discloses a device still includes the filter, and this filter can set up in income gas port department, can set up in gas outlet department, also can set up simultaneously in income gas port department and gas outlet department, and the preferred all sets up the filter in income gas port and gas outlet department, can effectually get rid of dust and large granule pollutant like this, further promotes the air purification effect, avoids large granule material to get into inside the photocatalysis chamber simultaneously, influences the use of equipment or influences photocatalysis efficiency.

Herein, there is no particular limitation on the specific type of the filter as long as it does not limit the object of the present invention; for example, activated carbon filters well known in the art may be used.

Preferably, a micro-electrostatic filter and an activated carbon filter are arranged at the gas inlet of the reactor; and a micro-electrostatic filter is arranged at the gas outlet of the reactor. Like this, set up this type of filter in income gas port and gas outlet department, can prevent effectively that dust or large particle material from getting into the photocatalysis chamber and covering photocatalysis glass in the gas, improve photocatalysis efficiency.

Preferably, the air inlet and the air outlet are both provided with a clamping groove, and the filter is installed in the clamping groove. Thus, various filters are convenient to replace.

As a preferred embodiment of the utility model, the air purification device comprises a reactor, a photocatalysis cavity is arranged in the reactor, an air inlet and an air outlet are arranged at two sides of the reactor, and filters are arranged at the air inlet and the air outlet; a plurality of tempered photocatalytic glasses are arranged in the photocatalytic cavity and are staggered to form an S-shaped airflow channel; a plurality of ultraviolet LED lamps are respectively arranged on the upper and lower parts of the inner wall of the air inlet side, and a corresponding reflector is arranged on the inner wall of the air outlet side; namely, the LED ultraviolet lamp area and the reflector are equal in size and are arranged in parallel relatively; a plurality of clamping grooves are formed in the air inlet and the air outlet, and the filter can be selectively inserted into the clamping grooves; the filter is a micro-electrostatic filter or an activated carbon filter. Wherein the toughened photocatalytic glass is toughened glass loaded with titanium dioxide nano-particles.

The photocatalytic air purification device of the utility model is provided with the transparent toughened photocatalytic glass and the reflector, so that the light energy can be utilized to the utmost extent; the S-shaped airflow channel is arranged, so that the photocatalytic reaction time can be effectively prolonged, and the air can be purified more thoroughly; the arrangement of the plurality of filters can effectively prevent dust or large-particle substances in the gas from entering the photocatalytic cavity to cover the photocatalytic glass, thereby improving the photocatalytic efficiency; the LED ultraviolet lamp is arranged, so that the size of the device can be effectively reduced, and the service life of the device can be prolonged. Compared with the prior art, the utility model has the advantages of scientific and reasonable design and obvious air purifying effect.

In a second aspect, there is provided in at least one embodiment an air purification system comprising the air purification apparatus described above.

According to the utility model discloses, this air purification system includes air purification device, still can include other prior art well-known equipment such as fan or fan, controlling means, the utility model discloses do not do special restriction to other equipment and relation of connection, this air purification system's core lies in including the utility model discloses an air purification device.

It can be understood that the utility model discloses an air purification system and foretell air purification device are based on same utility model and conceive, therefore have at least with the same advantage of above-mentioned air purification device, the utility model discloses no longer describe herein.

The present invention will be further described with reference to the following specific embodiments and accompanying drawings.

Example 1

As shown in fig. 1, an air purification device comprises a reactor 1, a photocatalytic chamber 2 is arranged inside the reactor 1, an air inlet 3 and an air outlet 4 are respectively arranged at two sides of the reactor 1, and filters are respectively arranged at the air inlet 3 and the air outlet 4;

a transparent photocatalytic substrate group, a light source 8 and a reflection unit 9 inside the photocatalytic cavity 2; the transparent photocatalytic substrate group consists of a plurality of transparent photocatalytic substrates 7 arranged at intervals, the plurality of transparent photocatalytic substrates 7 are arranged in a staggered mode to form a bent airflow channel for air circulation, and photocatalyst materials are loaded on each transparent photocatalytic substrate 7;

the reflection unit 9 is disposed in the light emitting direction of the light source 8, and the reflection unit 9 can reflect the light emitted from the light source 8 onto the transparent photocatalytic substrate 7.

Wherein, the bent airflow channel is an S-shaped airflow channel; the transparent photocatalytic substrate 7 is toughened glass; the photocatalyst material is nano titanium dioxide; the light source 8 is an ultraviolet LED light source; the reflecting unit 9 is a mirror.

Furthermore, a plurality of photocatalytic tempered glass is arranged in the photocatalytic cavity 2, and the tempered photocatalytic glass is staggered to form an S-shaped airflow channel; a plurality of ultraviolet LED lamps are respectively arranged on the upper and lower parts of the inner wall of the air inlet 3 side, and a corresponding reflector is arranged on the inner wall of the air outlet 4 side; the LED ultraviolet lamp area and the reflector are equal in size and are arranged in parallel relatively; a micro electrostatic filter 5 and an active carbon filter 6 are arranged at the air inlet 3, and a micro electrostatic filter 5 is arranged at the air outlet 4; a plurality of clamping grooves are formed in the air inlet 3 and the air outlet 4, and the filter can be selectively inserted into the clamping grooves.

The working principle and the working process of the air purifying device are as follows:

during the use, unpurified air passes through the income gas port of reactor, under the effect of little electrostatic filter and active carbon filter, thoughtlessly dust and large granule pollutant are clear away effectively, then little granule pollutant and gas get into the photocatalysis chamber together, and the photocatalyst material of carrying on transparent toughened glass is that nanometer titanium dioxide decomposes little granule pollutant and harmful gas into carbon dioxide and water under the ultraviolet excitation that ultraviolet LED lamp sent, makes air purification, and the gas after the purification is discharged through the gas outlet behind little electrostatic filter once more.

Example 2

As shown in fig. 2, an air purification device comprises a reactor 1, a photocatalytic chamber 2 is arranged inside the reactor 1, an air inlet 3 and an air outlet 4 are respectively arranged at two sides of the reactor 1, and filters are respectively arranged at the air inlet 3 and the air outlet 4;

this example differs from example 1 in that: the inlet 3 is provided with a micro-electrostatic filter 5 and an activated carbon filter 6, and the outlet 4 is provided with an activated carbon filter 6.

Example 3

An air cleaning device, which is different from embodiment 1 in that:

the photocatalyst material is zinc oxide, and the light source is a visible light LED light source.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. An air purification device is characterized by comprising a reactor, a transparent photocatalytic substrate group, a light source and a reflection unit, wherein the transparent photocatalytic substrate group, the light source and the reflection unit are arranged in the reactor;

2. The air cleaning device according to claim 1, wherein the curved air flow channel is an "S" -shaped air flow channel, a "C" -shaped air flow channel, a zigzag-shaped air flow channel, or a wave-shaped air flow channel.

3. The air purification apparatus of claim 1, wherein the transparent photocatalytic substrate is glass or transparent ceramic.

4. The air purification apparatus according to claim 1, wherein a plurality of the transparent photocatalytic substrates are arranged at equal intervals or at variable intervals;

and/or the distance between two adjacent transparent photocatalytic substrates is 3-15 cm.

5. The air purification device according to any one of claims 1 to 4, wherein an air inlet and an air outlet are respectively formed at both sides of the reactor, the light source is disposed on the inner sidewall of the reactor near the air inlet, and the reflection unit is disposed on the inner sidewall of the reactor near the air outlet;

the light source comprises at least one of a visible light LED light source or an ultraviolet LED light source, and the reflecting unit is a reflector.

6. The air cleaning device according to claim 5, wherein the light source region is adapted to a cross-sectional area of the reflection unit, and the light source and the reflection unit are arranged in parallel to each other.

7. The air purification apparatus according to claim 5, further comprising a filter;

8. The air purification device according to claim 7, wherein a micro-electrostatic filter and an activated carbon filter are arranged at the air inlet of the reactor;

9. The air cleaning apparatus according to claim 7, wherein the air inlet and the air outlet are each provided with a clamping groove, and the filter is mounted in the clamping groove.

10. An air purification system, comprising the air purification device according to any one of claims 1 to 9 and a fan.