CN211246111U

CN211246111U - Indoor air purification device

Info

Publication number: CN211246111U
Application number: CN201922043688.2U
Authority: CN
Inventors: 徐兴大
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-08-14
Anticipated expiration: 2029-11-22

Abstract

The utility model belongs to the technical field of the air purification technique and specifically relates to an indoor air purification device overcomes current indoor air purification device and can not make the air become clean air's problem through once-through processing, and the scheme is: the device is provided with a decomposition filter chamber provided with an air inlet and an air outlet, wherein the air inlet is provided with an air supply device and/or the air outlet is provided with an air suction device, at least three layers of spaced fiber filter layers which are generally vertical to the wind direction are arranged in the decomposition filter chamber, a purple light LED matrix lamp group is arranged between every two fiber filter layers, and each fiber filter layer is respectively a filter layer of which the fiber surface is coated with active carbon or graphene; the purple light irradiates pollutants in the air to be subjected to photoelectrocatalysis decomposition, the purple light also irradiates adjacent fiber filter layers on two sides to increase the adsorption force of the fiber filter layers, the pollutants are filtered and adsorbed by the fiber filter layers, and water after the catalytic decomposition is evaporated.

Description

Indoor air purification device

Technical Field

The utility model belongs to the technical field of the air purification technique and specifically relates to an indoor air purification device.

Background

In some places, such as rooms of hospital pathology departments, paint workshops and electroplating workshops, harmful substances such as PM particles, formaldehyde, xylene and/or benzene are contained in indoor air due to production work, the substances cause great harm to human bodies, and occupational diseases are often brought to operating personnel.

Chinese patent publication No. CN 109489143 a discloses an intelligent air purifier, including LED lamp set, visible light photocatalytic material net and adsorption material layer, the adsorption material layer is composed of active carbon fiber or graphene fiber and high-efficiency filter net, the air purification scheme is composed of visible light photocatalytic material, fiber adsorption, filter net, this measure is only once to process the material to be processed once, the air flowing out will circulate continuously to reach clean degree, thus the energy consumed by the device will be more, and the field personnel can be mistaken to think that the air flowing out from the purification device is clean, and it will be hurt to human body for a long time;

chinese patent publication No. CN107763749A discloses an indoor air purification method using ultraviolet lamps and activated carbon separation layers for formaldehyde treatment, which has the disadvantages that the ultraviolet lamps cause ozone harmful to human body and have the problems of incomplete primary treatment and need of recycling treatment.

Both of the above-described prior arts follow a cyclic treatment mode, and no consideration is given to how clean air can be obtained by passing air through the treatment system and the apparatus used.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the problem that the existing indoor air purification device can not enable air to become clean air after once treatment is solved.

The utility model provides a technical scheme that its technical problem adopted is: an indoor air purification device is provided with a decomposition filter chamber provided with an air inlet and an air outlet, wherein the air inlet is provided with an air supply device and/or the air outlet is provided with an air suction device, at least three layers of spaced fiber filter layers which are generally perpendicular to the wind direction are arranged in the decomposition filter chamber, a purple light LED matrix lamp set is arranged between every two fiber filter layers, and each fiber filter layer is a filter layer of which the fiber surface is coated with active carbon or graphene.

In the scheme, the activated carbon and graphene coated on the fiber surface in the fiber filter layer can be attached to the fiber surface through spraying or electrochemical technology, for example, a graphene nano material is attached to the fiber, so that the fiber generates some characteristics of a metal material and has the functions of electric conduction, heat conduction and the like, natural light or an electron beam is used for irradiating and then is combined with oxygen atoms, so that ions are replaced to form oxidation free radicals, the oxidation free radicals start to react with polluted air and then form carbon dioxide and water after reaction, and the effect of degrading the polluted air is achieved; although the purification device discharges clean air after being started, the conditions of indoor polluted environment and pollution sources can be dynamically changed, and the adjustment of the air intake and the brightness of the LED lamp can meet the actual requirement and reduce the energy consumption.

Of course, clean air refers to air with a pollutant content up to the standard, and is not necessarily absolutely pure air, so as not to harm human bodies.

In order to effectively decompose and filter, among at least three fiber filter layers arranged in the decomposition filter chamber, the fiber filter layers with the surfaces coated with active carbon are arranged on two outer sides, the fiber filter layers with the surfaces coated with graphene are arranged on the inner sides, air is firstly adsorbed and filtered by the active carbon and then adsorbed and filtered by the graphene, and water which is not too much to be evaporated is generated during adsorption and filtration by the graphene and then further adsorbed, filtered and evaporated by the active carbon. For example, when eight fiber filter layers are arranged, three fiber filter layers with surfaces coated with activated carbon can be arranged on the inner side and the outer side respectively, two fiber filter layers with surfaces coated with graphene are arranged in the middle, and seven ultraviolet LED matrix lamp sets are arranged.

Specifically, the wavelength of the LED lamps in the purple light LED matrix lamp group is 390-400 nm.

Specifically, the power of the LED lamps in the purple light LED matrix lamp group is 0.06 w.

The LED lamps in the purple light LED matrix lamp group are connected in series and are arranged into a shape which is approximately consistent with the plane shape of the fiber filtering layer, and the plane shape of the fiber filtering layer is a rectangle or a circle or other shapes.

In order to improve the filtering efficiency and the economy of the fiber filtering layer, a primary filter screen for filtering larger particles in the air is arranged at the air inlet.

In order to facilitate the arrangement, the air suction device is arranged at the air outlet. The air suction device can be connected with an air duct in the whole device, and the final air exhaust efficiency is improved.

The device is provided with an outer shell, a shutter is arranged on the back of the outer shell, an air inlet of a decomposition filter chamber in the outer shell faces the shutter, and an outlet of clean air is arranged on the outer shell.

In order to further improve the quality of the air discharged by the purifying device, a deodorizer is arranged at the position of the outlet in the outer shell.

The utility model has the advantages that:

firstly, performing surface treatment on filter fibers to integrate filtration and adsorption, performing primary filtration and adsorption when air flows through a fiber filter layer, and simultaneously treating substances such as PM2.5, formaldehyde and the like;

secondly, irradiating air to promote decomposition of the graphene and/or the activated carbon by an ultraviolet lamp to improve activity of the graphene and/or the activated carbon;

the purple light LED lamp is pollution-free, does not generate ozone, and is energy-saving;

and fourthly, the fiber filter layers and the purple light LED lamp matrixes are overlapped according to the requirement, and various occasions can be flexibly dealt with.

Drawings

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

FIG. 1 is a flow chart of air purification when the fiber filter layers of the present invention are three layers;

FIG. 2 is a rear view of the air purification apparatus;

fig. 3 is a schematic sectional view a-a of fig. 2.

In the figure: 1. the device comprises an air inlet, 2, an air outlet, 3, a decomposition filter chamber, 3-1, a fiber filter layer, 3-2, a purple light LED matrix lamp group, 4, an air suction device, 5, a primary filter screen, 6, an outer shell, 6-1, a shutter, 6-2, an outflow port, 7 and a deodorizer.

Detailed Description

The invention will now be further described with reference to the accompanying drawings, which are simplified schematic drawings that illustrate, by way of illustration only, the basic structure of the invention and which therefore show only the components that are relevant to the invention.

In the specific purification process of the device shown in figure 1, which is only three fiber filter layers for simplicity, air enters a primary filter screen to filter larger particles, then enters a decomposition filter chamber to decompose and filter, is sucked into a volute air channel by an axial flow fan for air suction, and then enters a room after being deodorized by a deodorizer, wherein the deodorizer is selected according to the air condition.

Fig. 2 and 3 show a specific structure of the device, which comprises a decomposition filter chamber 3 provided with an air inlet 1 and an air outlet 2, the air outlet 2 is provided with an air suction device 4, eight fiber filter layers 3-1 which are arranged at intervals and are substantially perpendicular to the wind direction are arranged in the decomposition filter chamber 3, a purple light LED matrix lamp group 3-2 is arranged between every two fiber filter layers 3-1, each fiber filter layer is a filter layer of which the fiber surface is coated with active carbon or graphene, and a distance is arranged between each fiber filter layer 3-1 and the purple light LED matrix lamp group 3-2.

In the eight fiber filter layers 3-1, three fiber filter layers with surfaces coated with activated carbon are arranged at two outer sides, and two fiber filter layers with surfaces coated with graphene are arranged at two inner sides.

The wavelength of the LED lamps in the purple light LED matrix lamp group 3-2 is 390-400 nm, and the power of a single LED lamp is 0.06 w.

The air inlet 1 is provided with a primary filter screen 5 for filtering larger particles in the air.

The air suction device 4 is arranged at the air outlet 2.

The whole purification device is provided with an outer shell 6, the back of the outer shell 6 is provided with a shutter 6-1, an air inlet 1 of a decomposition filter chamber 3 in the outer shell 6 faces the shutter 6-1, and the outer shell 6 is provided with an outlet 6-2 of clean air.

A deodorizer 7 is arranged in the outer shell 6 at the position of the outflow port 6-2.

Because the situation of indoor pollutant generally can be in dynamic change, the utility model discloses still carry out following improvement in the aspect of controlling means:

through setting sensors such as PM2.5 and formaldehyde and the like and a control device, the quality of indoor air and the content of pollutants in the air are automatically identified, the air quantity and the illumination intensity are intelligently controlled, the ultraviolet lamp has a certain disinfection function, ozone is not generated, radiation is not generated, and the device can be provided with a display screen for displaying air data of an air inlet and an air outlet; the motor of the air suction device uses a variable frequency motor to adjust air volume, and a specific scene is as follows:

when the pollution index is larger than 0.4, the purple lamp is brightest, and the variable frequency motor rotates at full speed;

when the pollution index is less than 0.2, the variable frequency motor decelerates;

when the pollution index is less than 0.1, the brightness of the purple lamp is weakened, and the frequency conversion motor is maintained at 100 revolutions per minute;

when the PM2.5 particle content in the air is more than 140 mg/cubic meter, the purple light and the variable frequency motor work under full load;

when the content of PM2.5 particles in the air is less than 120 mg/cubic meter, the purple lamp and the variable frequency motor work at 80% of power;

when the content of PM2.5 particles in the air is less than 0.3 mg/cubic meter, the rotating speed of the variable frequency motor is 100 revolutions per minute, and the power of the purple lamp is 40 percent;

the usage of the device when applied is as follows:

(1) according to the degree of indoor air pollutants measured in advance, the clean air is obtained by flowing through a decomposition filter chamber at one time, and the number of layers required for decomposing and filtering an indoor fiber filter layer, the number of groups required by a corresponding purple light LED matrix lamp group and the size specifications required by the fiber filter layer and the purple light LED matrix lamp group are calculated; the calculation of the number and specification of the fiber filter layer and the purple light LED matrix lamp set is the analysis and calculation of performance parameters, processing capacity and measured numerical values of certain indoor pollutants obtained by testing the manufactured fiber filter layer and the purple light LED matrix lamp set for certain times;

(2) air flowing through the fiber filter layers and the purple light LED matrix lamp groups which are arranged in a stacking mode at intervals is subjected to photoelectrocatalysis decomposition of pollutants in the air through ultraviolet light irradiation, meanwhile, the purple light also irradiates the adjacent fiber filter layers on two sides to increase the activity of activated carbon or graphene on the surfaces of the fibers so as to form enhanced adsorption force, the pollutants in the air are filtered, adsorbed and degraded by the fiber filter layers, and water formed after catalytic decomposition is evaporated along with the flowing of the air or is absorbed by the fiber filter layers firstly and then is evaporated;

(3) the flow rate and/or flow rate of air flowing through the decomposition filter chamber is adjusted and/or the brightness of the LED lights is adjusted in response to the level of indoor contaminants detected continuously or intermittently.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable people skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides an indoor air purification device which characterized by: the device is provided with a decomposition filter chamber provided with an air inlet and an air outlet, wherein the air inlet is provided with an air supply device and/or the air outlet is provided with an air suction device, at least three layers of spaced fiber filter layers which are generally perpendicular to the wind direction are arranged in the decomposition filter chamber, a purple light LED matrix lamp group is arranged between every two fiber filter layers, and each fiber filter layer is a filter layer of which the fiber surface is coated with active carbon or graphene.

2. An indoor air purification apparatus as claimed in claim 1, wherein: in the at least three fiber filter layers, the fiber filter layers with the surfaces coated with the activated carbon are arranged on the two outer sides, and the fiber filter layers with the surfaces coated with the graphene are arranged on the inner sides.

3. An indoor air purification apparatus as claimed in claim 1, wherein: the wavelength of the LED lamps in the purple light LED matrix lamp group is 390-400 nm.

4. An indoor air purification apparatus as claimed in claim 1, wherein: the power of the LED lamps in the purple light LED matrix lamp group is 0.06 w.

5. An indoor air purification apparatus as claimed in claim 1, wherein: the air inlet is provided with a primary filter screen for filtering larger particles in the air.

6. An indoor air purification apparatus as claimed in claim 1, wherein: the air suction device is arranged at the air outlet.

7. An indoor air purification apparatus as claimed in claim 1, wherein: the device is provided with an outer shell, the back of the outer shell is provided with a shutter, an air inlet of a decomposition filter chamber in the outer shell faces the shutter, and the outer shell is provided with an outflow port of clean air.

8. An indoor air purification apparatus as claimed in claim 7, wherein: and a deodorizer is arranged at the position of the outflow port in the outer shell.