CN106964221B - Novel household ecological device - Google Patents

Novel household ecological device Download PDF

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CN106964221B
CN106964221B CN201710278474.6A CN201710278474A CN106964221B CN 106964221 B CN106964221 B CN 106964221B CN 201710278474 A CN201710278474 A CN 201710278474A CN 106964221 B CN106964221 B CN 106964221B
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water
water curtain
air
chamber
curtain plate
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CN106964221A (en
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陈小平
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Hangzhou Huiyan Technology Co.,Ltd.
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Zhang Yaoji
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/02Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
    • B01D47/022Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath by using a liquid curtain
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/60Combinations of devices covered by groups B01D46/00 and B01D47/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/84Biological processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/80Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
    • B01D2259/804UV light
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/80Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
    • B01D2259/81X-rays
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Chemical Kinetics & Catalysis (AREA)
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Abstract

The invention provides a novel household ecological device which comprises an air filtration system and a water circulation system, wherein the air filtration system comprises a water curtain chamber (1), a middle filter chamber (2) and a fine filter chamber (3), the water circulation system comprises a water storage tank (4) and a cultivation box (5) in which plants (6) are planted, the water curtain chamber comprises a water curtain plate array (11), a water tank (12) with holes is arranged at the top of the water curtain plate array and used for supplying water to the water curtain plate, a nano photocatalyst is coated on the surface of the water curtain plate array, a shell of the water curtain chamber is of a transparent structure, and a first ultraviolet lamp tube (14) for supplying ultraviolet light to the water curtain plate in the shell is arranged outside the shell of the water curtain chamber; a matrix plate (31) is arranged in the fine filtering chamber, the surface of the matrix plate is coated with a nano photocatalyst, and a second ultraviolet lamp tube (32) is embedded in the matrix plate. The invention has qualitative change to the domestic air environment, and particularly can embody the unique advantages in the indoor and relatively closed space.

Description

Novel household ecological device
Technical Field
The invention relates to air purification treatment equipment, in particular to a novel household ecological device.
Background
Due to rapid development of economy, great pollution is brought to the ecological large environment of people, and the life quality of people is directly influenced. In the face of increasingly worsened air environment, various household air purifier products are produced, most of the existing air purifiers adopt a pure filtering mode, air is sucked into a machine through a powerful fan, and is filtered by a primary filter screen, an active carbon filter layer and a HEPA (high efficiency particulate air) net filter layer in sequence, and then the air is discharged, the method has the defects that the CCM value (the time for the air purification capacity to enter a half-life period) is not high, the filter screen needs to be frequently replaced, if the filter screen is not replaced in time, the air cannot be purified, on the contrary, secondary pollution is generated due to outward emission of pollutants adsorbed on the filter screen, according to the disclosure of a program of a ' quality report ' of every week ' of a central station, various brands ' air purifiers ' sold in the current market have the best CCM value for about 174 hours, and the difference for about 37 hours. That is, about one continuous week, the air purification capacity is reduced by 50%, and the poor result is only 2 days. Therefore, the conventional method for filtering and purifying air has high operation cost and risks of secondary pollution although the conventional method has good adsorption treatment effect on various dust in the air. Meanwhile, the air quality of the household environment space is not qualitatively changed, ecological negative oxygen ions cannot be provided, the content of carbon dioxide in the air is reduced, the content of oxygen is increased, the humidity in the air is increased, and the sterilization effect is not obvious.
In addition, when the filter screen layer-by-layer filtration mode is adopted in the air purification treatment methods, the wind resistance is large, and under the conditions of large wind resistance and large air volume, the noise rises linearly. The running noise and CADR index (purified air volume in one hour) are difficult to reach the standard at the same time, and the noise reaches about 90 decibels when some products run at full load due to the mutual restriction of the noise and the air volume.
Some air purifiers on the market adopt air high pressure to ionize air to generate ozone, although the ozone has the sterilization and air purification effects, the concentration in the air is difficult to control manually, and when the concentration of the ozone in the air exceeds five parts per million, the ozone brings life danger to human bodies. The detection of relevant environmental detection departments finds that under the action of sunlight and ultraviolet rays, ozone harm, even harm exceeding PM2.5, is generated by compounds emitted by other equipment such as automobile exhaust in hot summer at high temperature.
In addition, some 'nano photocatalyst' air purifiers are mainly characterized in that photocatalyst materials are coated on lamp shells of the air purifiers, purple light of a mosquito-lured lamp is used as a light source, and the purifying effect is difficult to guarantee due to the fact that the reaction area of the photocatalyst is limited.
Chinese patent 201510026234.8 discloses an air purifier, its technical scheme who adopts is: use nanometer titanium dioxide as the filter screen in an airtight space, use the ultraviolet lamp as the catalyst, the air passes through one filter chamber that takes water and three filter chambers that take the pasture and water in proper order behind the titanium dioxide filter screen, its titanium dioxide filter screen can block the contact of titanium dioxide and air because the surface area is full of the dust after using a period, make titanium dioxide lose the filter action, make whole air purifier inefficacy, and its whole later stage filter procedure all is in airtight space, because the photosynthesis of pasture and water itself needs carbon dioxide, respiration needs oxygen, therefore, for guaranteeing the pasture and water to survive, the machine must not be incessantly operated always, otherwise the pasture and water oxygen deficiency extremely easily dies in it, whole machine is in compelled operating condition, in addition, this machine inner structure is complicated, it wastes time and energy to maintain, and is with high costs. Chinese patent 201310337187.X discloses an ecological air purification system and purification method, which comprises an air flow purification subsystem for decomposing harmful substances and an ecological wetland subsystem for decomposing and converting the harmful substances transferred from the air flow purification subsystem, wherein the acidic water with the PH value of 3-6 is used for circularly backwashing the microcrystalline activated carbon for filtering, so that the harmful substances adsorbed by the microcrystalline activated carbon are desorbed, and the adsorption capacity of the microcrystalline activated carbon is recovered, and then the acidic water containing the harmful substances is connected to the ecological wetland subsystem through water circulation equipment.
In addition, in the existing air purification system with the water curtain chamber, the water curtain is formed by the water curtain forming mechanism that the gravity of free falling bodies of water is only used, and only a waterline can be formed due to the surface tension of the water, so that the waterline can be flushed to form an air flow channel under the action of strong air flow, and the purification effect is greatly reduced.
Disclosure of Invention
The invention aims to provide a novel household ecological device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides a novel household ecological device, which comprises an air filtering system and a water circulating system, wherein the air filtering system comprises a primary filtering chamber, a middle filtering chamber 2 and a fine filtering chamber 3 which are sequentially communicated, the water circulating system comprises a water storage tank 4 and a cultivation box 5 planted with plants, a water supply pipe and return water of the cultivation box are both communicated with the water storage tank, a first water pump is connected to the water supply pipe of the cultivation box, the primary filtering chamber comprises a water curtain chamber 1, the water curtain chamber 1 realizes the communication between the air filtering system and the water circulating system, the water curtain chamber comprises a water curtain plate array 11, a water tank with holes 12 and a fan 13, the water curtain plate array is arranged above the water storage tank, and water on the water curtain plate can flow into the water storage tank, the foraminiferous water tank sets up in the top of water curtain board array and is used for supplying water or spraying water to water curtain board water clock to make and form the water curtain on at least one face of water curtain board, the delivery pipe of foraminiferous water tank and wet return all communicate with the storage water tank, are connected with water pump two on the delivery pipe of foraminiferous water tank, the fan sets up in the air intake of water curtain room and is located the horizontal one side of water curtain board array or horizontal both sides, and the water curtain board array is aimed at to the air outlet of fan, and the water curtain board surface coating of water curtain board array has nanometer photocatalyst, the casing of water curtain room sets up to transparent structure, and the casing of water curtain room is provided with outside provides fluorescent tube one 14 of ultraviolet to the water curtain board in the casing.
The middle filter chamber is internally provided with a filter box 21 for filtering air flowing in from the water curtain chamber, the air outlet of the middle filter chamber is provided with a fan array 22 for forcing airflow to pass through the filter box, the fine filter chamber is internally provided with a matrix plate 31 for fine filtering the air flowing in from the middle filter chamber, the surface of the matrix plate is coated with a nano photocatalyst, an ultraviolet lamp tube II 32 is embedded in the matrix plate, the air outlet of the fine filter chamber is provided with an exhaust fan for exhausting the air after fine filtering, and the exhaust port of the exhaust fan is aligned with the cultivation box, so that the air purified by the fine filter chamber can be naturally filtered by plants; the second ultraviolet lamp tube (32) and the first ultraviolet lamp tube (14) can be integrated to use the same group of ultraviolet lamp tubes or two groups of different ultraviolet lamp tubes.
An LED lamp 51 for providing illumination for plants is arranged above the cultivation box, and the LED lamp and the green plants form a green plant ecological purification system which has a synergistic effect on the air filtration system and the water circulation system.
The filter box 21 in the middle filter chamber is an activated carbon filter box.
And the surface of the matrix plate of the fine filtering chamber is provided with a columnar array for increasing the photocatalytic reaction area of the matrix plate.
Further, there are the equal vertical and parallel arrangement of polylith water curtain board in the water curtain board array, control foraminiferous water tank (12) to one side of water curtain board supply water make form the water curtain on a face of every water curtain board, be provided with a plurality of densely covered through-holes (111) along its thickness direction on the water curtain board, do not establish the water curtain on another face of water curtain board for the air-purifying of treating that comes from the fan air outlet is followed it has the other end of water curtain and tentatively gets rid of impurity and harmful substance in the air by the water in the water curtain that the water curtain one end level of densely covered through-hole gets into it.
Furthermore, the fine filtering chamber and the primary filtering chamber are arranged adjacently, and the ultraviolet lamp tube II 32 embedded in the matrix plate simultaneously provides ultraviolet light for the water curtain plate and the fine filtering chamber.
Further, the cultivation boxes 5 are of a terrace-shaped multi-layer structure, and a water pipe 53 for adjusting the water level in the cultivation boxes is connected between every two adjacent cultivation boxes.
Furthermore, an air guide plate 15 for changing the rotation turbulence of the air purified by the water curtain plate into smooth airflow is arranged at the air outlet of the water curtain chamber.
Further, the air outlet of fine filtering chamber is connected with the plenum chamber 33 that is used for accelerating the air-out wind speed and can adjust the air-out wind direction, the exhaust fan sets up in the plenum chamber. Because the influence of ecological device inner structure, inside air current windage increases, and the amount of wind of intaking is different very much with the air-out quantity, has influenced machine work efficiency greatly, sets up the air-out quantity that the plenum chamber has increased the air outlet, and the inside air current of guide smoothly flows through the wind channel.
Further, a water supply pipe of the cultivation box is connected with a filter tank 52 for filtering impurities.
Further, the water curtain board array is arranged by the water curtain board that the polylith set up along vertical direction and is constituted, the cross section outline and the wing cross section outline of water curtain board are the same or similar, are provided with a plurality of through-holes 111 along thickness direction on the water curtain board face, and water curtain board and fan air outlet air current direction form an angle of attack alpha for form the pressure differential between the both sides of water curtain board thickness direction when the air current flows through the water curtain board, the gas of water curtain board high pressure side flows and pierces through the water curtain of low pressure side to water curtain board low pressure side through-hole 111, thereby make the rivers of flowing through the water curtain board decompose into fine water smoke, dust impurity matter and harmful substance mix into the aquatic in this in-process, and flow into the storage water tank.
The through holes can enhance the light transmission of the water curtain plate on one hand, so that the water curtain plate in the middle area can receive the irradiation of ultraviolet light as much as possible, and on the other hand, the diffusion performance of air flow and the contact area of air and the water curtain plate can be enhanced, so that air molecules are uniformly diffused to all corners in the water curtain chamber, the atomization effect of water flow on the water curtain plate is enhanced, and the purification effect is enhanced.
Furthermore, the water leakage hole 121 arranged at the bottom of the water tank with the hole only supplies water to the airflow low-pressure side of the water curtain plate.
Preferably, the ultraviolet light emitted by the ultraviolet lamp tube II (32) and the ultraviolet lamp tube I (14) is ultraviolet light with the wavelength of 340-380 nanometers, preferably 365 nanometers, the ultraviolet light in the wave band does not generate ozone in the irradiation process, the damage to a human body due to overhigh ozone concentration is avoided, and the ultraviolet light in the wave band is close to visible light and can participate in the photosynthesis of plants.
Furthermore, the household ecological device is also provided with an automatic control circuit, and the automatic control circuit comprises an ecological device control system and a detection system in wireless communication connection with the ecological device control system.
The ecological device control system comprises an ecological device main controller, and a switch button input module, an ultraviolet lamp tube driving module, an LED lamp driving module, a water pump driving module, a water curtain chamber fan driving module, an activated carbon chamber fan array driving module, a fine filter chamber exhaust fan driving module and an ecological device wireless transceiving module which are respectively and electrically controlled by the ecological device main controller.
The detection system comprises a detection main controller, and a PM2.5 detection module, a TVOC detection module, a negative oxygen ion detection module, an overrun alarm driving module, an alarm value setting module, a liquid crystal display module, a network transmission module and a detection end wireless transceiver module which are respectively electrically controlled by the detection main controller, wherein the network transmission module is in communication connection with a mobile phone terminal through the Internet of things, and the detection end wireless transceiver module is used for being in communication connection with the ecological device wireless transceiver module.
Has the advantages that:
the ecological device comprises a four-stage filtering system, wherein the primary filtering is carried out by a water curtain plate with a nano photocatalyst coating in a water curtain chamber, more than 80% of dust and water harmful substances can be removed in the primary filtering chamber, the filtering is carried out by an activated carbon filtering chamber, the residual dust and impurities are removed, most of impurities are removed in the primary filtering, the wind resistance in the middle filtering chamber is greatly reduced, the noise is reduced, the fine filtering chamber is used for fine filtering after the middle filtering is finished, the residual harmful substances are decomposed and removed, and finally the ecological filtering is carried out by plants.
The water curtain chamber is internally provided with the water curtain plate, so that the retention time of gas in the water curtain chamber can be prolonged and the purification effect can be enhanced compared with a water curtain chamber without the water curtain plate, the surface of the water curtain plate is coated with the nano photocatalyst, and the water curtain plate can purify air and water under the irradiation of the ultraviolet lamp tube, so that the water flowing into the water storage tank and the cultivation tank is prevented from generating toxic action during recycling, secondary pollution is prevented, and particularly, the fishy smell can be prevented from being emitted when the ornamental fish is cultured in the water tank.
The water curtain plate is provided with the through holes, so that the diffusion performance of airflow and the contact area of gas and the water curtain plate can be further enhanced, and the purification effect is enhanced.
According to the invention, the water curtain plate in the water curtain chamber has the same or similar structure with the wing, when airflow passes through the water curtain plate, pressure difference is formed between two sides of the water curtain plate in the thickness direction, so that the water flow passing through the water curtain plate is decomposed into fine water mist to form a water curtain waterfall, thereby greatly enhancing the purification effect of the water curtain chamber, after the air is primarily treated by the water curtain chamber, more than 85% of dust and more than 80% of harmful substances in the air can be removed, the subsequent treatment concentration of the middle filter chamber and the fine filter chamber is reduced, on one hand, the quality of the purified air is improved, on the other hand, the service lives of the active carbon filter box and the fine filter chamber plate of the middle filter chamber are prolonged, and the frequency of matrix replacement is reduced.
The air filtering system and the water circulating system are mutually connected through the water curtain chamber and play a mutual promotion role, after the air is filtered and purified through the water curtain plate in the water curtain chamber, ions, ammonia and nitrogen compounds which can be absorbed by plants are generated on the water curtain plate, the water which flows out from the water curtain chamber and is rich in metal ions, ammonia and nitrogen compounds flows into the water storage tank and is not directly discharged out, the water is input into the cultivation tank through a water supply pipe of the cultivation tank and is absorbed and utilized by the plants to complete ecological purification, and then the water is input into the water storage tank through a water return pipe of the cultivation tank, the water is recycled and utilized by the water curtain chamber, and the water does not generate secondary pollution in the recycling and reusing process.
According to the invention, the plants not only play a role in purifying water, but also play a role in purifying the gas after fine filtration, so that the aquarium fish can be cultured in the water storage tank, the cultured aquarium fish can clear algae generated in the water storage tank, and the excrement of the fish can be absorbed and utilized by the plants in the cultivation tank, and the whole system forms an ecological cycle purification system comprising producers, consumers and decomposers.
The invention breaks through the traditional simple passive physical adsorption filtration concept of air purification, only carries out adsorption filtration on harmful substances in air by arranging the filter screens layer by layer, has high operation cost and large maintenance work, and has the possibility of generating secondary pollution harm. The invention not only uses traditional filtering technology, but also uses optical quantum physical chemical technology to decompose harmful substance in air into harmless carbon dioxide and water. Meanwhile, oxygen ion groups in the air capture electrons in the photocatalyst when passing through the optical quantum field to form negative oxygen ions of vital air vitamins necessary for a human body. The water flowing through the water curtain plate can be decomposed into hydrogen and oxygen under the action of the quantum field and then emitted into the air to supplement oxygen consumed by people activities and improve the oxygen content in the environmental space. Meanwhile, the generated hydrogen is a very reducing agent and can have a very strong reducing effect on relatively stable inorganic oxides in air. Meanwhile, the water curtain formed by the water drop leakage on the water curtain can dissolve and mix most of the inorganic oxides and large-particle dust which are difficult to treat in the air under the impact of high-speed airflow, and the inorganic oxides and the large-particle dust are brought into a lower water tank (for example, sulfur dioxide gas reacts with water to form sulfurous acid).
According to a large number of comparison tests and actual measurements, test results prove that the household ecological device has qualitative change on the household air environment, and particularly can embody unique advantages in rooms and relatively closed spaces.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1-1 is a perspective view of an ecological device according to a preferred embodiment of the present invention;
FIGS. 1-2 are perspective views showing the construction of the ecological device according to the preferred embodiment of the present invention;
FIG. 2 is a front view (without a water storage tank) of the ecological device of the preferred embodiment of the present invention;
FIG. 3 is a left side sectional view I (without the water storage tank) of the ecological device of the preferred embodiment of the present invention;
FIG. 4 is a second left sectional view (with storage tank) of the ecological device of the preferred embodiment of the present invention;
FIG. 5 is a rear view of the ecological device of the preferred embodiment of the present invention (without the water storage tank and the water curtain plate);
FIG. 6 is a perspective view of a water curtain chamber according to a preferred embodiment of the present invention;
FIG. 7 is a cross-sectional view of a single water curtain plate and schematic diagrams of air flow direction and water flow distribution on both sides of the single water curtain plate according to a preferred embodiment of the present invention;
FIG. 8 is a perspective view of a middle filter chamber according to a preferred embodiment of the present invention;
FIG. 9 is a schematic view of the interior of the fine filter chamber according to the preferred embodiment of the present invention;
fig. 10 is a control schematic of the automatic control circuit of the preferred embodiment of the present invention.
In the figure: 1-water curtain chamber, 11-water curtain plate array, 111-through hole, 12-water tank with holes, 121-water leakage hole, 13-fan, 14-ultraviolet lamp tube I, 15-air deflector, 2-middle filter chamber, 21-active carbon filter box, 22-axial flow fan array, 3-fine filter chamber, 31-matrix plate, 32-ultraviolet lamp tube II, 33-pressurizing chamber, 4-water storage tank, 5-cultivation box, 51-LED lamp, 52-filter tank, 53-water tube and 6-plant.
Detailed Description
Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Referring to fig. 1-10, the household ecological device comprises an air filtration system and a water circulation system, wherein the air filtration system comprises a water curtain chamber 1, a middle filter chamber 2 and a fine filter chamber 3 which are sequentially communicated, the water circulation system comprises a water storage tank 4 and a cultivation tank 5 in which plants 6 are planted, a water supply pipe and a water return pipe of the cultivation tank are both communicated with the water storage tank, a first water pump is connected to the water supply pipe of the cultivation tank, the water curtain chamber comprises a water curtain plate array 11, a water tank with holes 12 and a fan 13, the water curtain plate array is arranged above the water storage tank, water on the water curtain plate can flow into the water storage tank, the water tank with holes is arranged at the top of the water curtain plate array and is used for supplying water for water dripping and leaking of a water curtain plate, the water supply pipe and the water return pipe of the water tank are both communicated with the water storage tank, the water pump two is connected to the water supply pipe of the water tank, the fan is arranged at the air inlet of the water curtain chamber and is positioned at the left and right sides of the transverse direction of the water curtain plate array, the air outlet of the water curtain plate is aligned to the water curtain plate array, a nano photocatalyst a surface of the water curtain plate A coated on the water curtain plate surface of the water curtain chamber, a shell of the water curtain chamber is arranged in a transparent structure, the shell of the water curtain plate 14, the shell is arranged outside of the shell, the shell of the water curtain plate array, the water curtain chamber, the shell is arranged in a ultraviolet light tube is arranged in the shell. In this embodiment, the fan is an axial flow fan.
The middle filter chamber is internally provided with an active carbon filter box 21 (the inside of a filter box body is filled with active carbon particles) for filtering the air flowing in from the water curtain chamber, the air outlet of the middle filter chamber is provided with an axial flow fan array 22 for forcing the air flow to pass through the active carbon filter box, a matrix plate 31 for finely filtering the air flowing in from the middle filter chamber is arranged in the fine filter chamber, the surface of the matrix plate is coated with a nano photocatalyst B, an ultraviolet lamp tube II 32 is embedded in the matrix plate, the air outlet of the fine filter chamber is provided with an exhaust fan for exhausting the air after fine filtering, and the exhaust outlet of the exhaust fan is aligned with the cultivation box, so that the air purified by the fine filter chamber can be naturally filtered by plants.
In this embodiment, the cultivation box is provided with an LED lamp 51 for providing illumination for plants.
In this embodiment, the nano photocatalyst a is nano titanium dioxide doped with oxides of nano metal elements platinum, ruthenium, and iron. The nanometer photocatalyst B is the same as the nanometer photocatalyst or nanometer titanium dioxide doped with nanometer metal elements of platinum, ruthenium, iron, aluminum and zinc oxides.
The water circulation system comprises a water storage tank 4 and a cultivation box 5 in which plants are planted, the green plants are planted in the cultivation box, green plant fixing columns can be arranged in the cultivation box, and roots penetrate through holes in the bottom ends of the fixing columns and directly extend into water in the cultivation box.
The water storage tank 4 is mainly used for containing water, water in the water storage tank provides water sources for plants and a water curtain chamber and can also be used for cultivating ornamental fishes, the cultivation tanks are arranged into a layered terrace-shaped structure, and the upper cultivation tank and the lower cultivation tank are connected through water pipes.
The fans 13 are arranged at the left and right sides of the water curtain chamber, and the air inlet volume per hour of each fan is 183M 3 The total intake air quantity on both sides is 366M 3 And changing the type of the fan in one hour to increase or decrease the air intake. The air outlet of the water curtain chamber is provided with a plurality of air deflectors 15 which are used for changing the rotating turbulence after the water curtain plate is purified into smooth airflow. The air deflectors 15 are arranged at the air outlet of the water curtain chamber, the air deflectors are arranged into an array structure, the surface of each air deflector is parallel to the direction of air flow at the outlet of the water curtain chamber, according to the fluid mechanics principle, the rotating turbulence of the air outlet of the water curtain chamber is rectified into smooth horizontal high-speed air flow so as to reduce wind noise, and the rectified air flow blows to the active carbon filter box of the middle filter chamber. The water curtain plate is provided with the multiunit, and a face of every water curtain plate sets up to be parallel or nearly parallel with the air current direction that the fan blew out, and the air current of motion constantly collides with water curtain plate surface, reaches best purifying effect.
In this embodiment, be provided with a plurality of through-holes 111 of evenly distributed along the thickness direction on the water curtain board face, the hole 121 that leaks that foraminiferous water tank bottom set up is provided with the gap in the air current low pressure side of water curtain board, and the air current high pressure side is sealed, and the hole 121 that leaks only supplies water to the air current low pressure side of water curtain board.
Referring to fig. 7, the cross-sectional shape of the water curtain plate of this embodiment is similar to that of an airplane wing (due to the surface tension of water, a thin water curtain is formed on one side of the water curtain plate, and due to the fact that the cross-sectional surface of the water curtain plate is in the shape of an airfoil and an angle of attack of less than 7 degrees is formed with the airflow direction, according to the principle of aerodynamics, a pressure difference is generated between the two sides of the water curtain plate, air on the high-pressure side flows to the low-pressure side through the through holes 111 formed in the water curtain plate, and most of harmful substances in the air are mixed or dissolved in water through the water curtain plate). The water curtain plate cross-section forms an angle of attack alpha less than 7 degrees with the air current direction, according to the hydrodynamics effect, water curtain plate thickness direction both sides air current velocity of flow is different, form the pressure differential between the both sides of water curtain plate thickness direction when making the air current flow through the water curtain plate, the gas of water curtain plate high pressure side flows to water curtain plate low pressure side through-hole 111 and pierces through the water curtain of low pressure side, thereby make the rivers of water curtain plate of flowing through decompose into slight water smoke, and in the one side that the air current velocity of flow is fast, its afterbody can form certain vacuum bubble, also has the promotion effect to rivers decomposition becomes water smoke, dust and harmful substance mix into in the water smoke at this in-process, and flow into the storage water tank downwards or flow into the storage water tank along the water curtain plate. Harmful inorganic gases which are difficult to treat in the air, such as sulfur dioxide and other harmful gases generated after smoking, can be dissolved in water to form weak acid harmless to human bodies, and the efficient physical dust-settling and purifying effects are achieved. In this embodiment, the front and rear plates of the water curtain chamber housing are made of acrylic plates made of transparent materials, and ultraviolet light emitted from the ultraviolet lamp tube i and the ultraviolet lamp tube ii outside the front and rear plates can smoothly irradiate on the water curtain plate in the water curtain chamber, so as to provide ultraviolet light energy for performing a physicochemical reaction on the nano composite photocatalyst a coated on the water curtain plate. Because the water curtain plates are also provided with a certain number of through holes, light can penetrate through the through holes to uniformly irradiate each water curtain plate, and the air and water purifying capacity of the water curtain plate is improved. Each water curtain plate is coated with a nano-scale composite photocatalytic material film layer by adopting a chemical immersion process, so that the water curtain plate is firmly attached to the water curtain and can resist water flow impact for a long time. The main component of the nano composite photocatalyst A is titanium dioxide with nano particle size, and the titanium dioxide is doped with oxides of nano metal elements of platinum, ruthenium and iron so as to enhance the luminous efficacy of the nano composite photocatalyst, reduce the internal self-recombination of electron hole pairs and increase the water and air purification capacity of the nano composite photocatalyst. The mechanism of the physical and chemical reaction is as follows:
TiO 2 + UV light energy → TiO 2 (e cb - +h vb + ) (formation of an Electron hole Pair)
(hole electric field) h vb + +OH - (hydroxide ion adsorbed on water curtain plate) →. OH (hydroxyl anion)
h vb + +H 2 O (adsorbed water) →. OH + H +
(electrons in conduction band) e cb - +O 2 →O 2 - (ecological grade negative oxygen ion)
O 2 - +H + →HO 2 (superoxide hydrogen)
2HO 2 →H 2 O 2 (Hydrogen peroxide) + O 2
2H 2 O 2 (Hydrogen peroxide) → 2H 2 O+O 2
The hydroxyl functional ion groups, the superoxide hydride and the hydrogen peroxide can generate physical and chemical decomposition reaction with various harmful organic matters and various bacteria adsorbed on the surface of the water curtain plate to finally form harmless carbon dioxide and water. After the air is primarily treated by the water curtain chamber, more than 80% of harmful substances in the air can be removed. The primarily filtered air is guided to the activated carbon chamber through the internal air duct for implementing intermediate filtering.
In this embodiment, the water curtain room is located the water storage tank top, and the activated carbon room sets up in water storage tank back top and is located the matrix board directly over, and the main purpose of straining the room in setting utilizes the activated carbon to have superstrong molecular group adsorption affinity, strains in going on by the air after the primary treatment to reach further purifying effect, but the indoor activated carbon box of activated carbon, free movement to the convenience of customers takes out at any time, changes activated carbon in the carbon box. The lower part of the air purifier is provided with an axial flow fan array which guides the treated air to pass through the activated carbon layer, thus enhancing the air purification effect and increasing the air treatment capacity. The air after the middle filtration is directly blown to a matrix plate arranged at the lower part of the air for fine filtration.
And each matrix plate in the fine filtering chamber is coated with a composite nano photocatalyst B by using a chemical immersion process, and a mechanical mounting hole is formed in the middle of each matrix plate according to the cross section shape of the ultraviolet lamp tube II, so that the ultraviolet lamp tube II can be just embedded into the matrix plate, and the optimal ultraviolet light energy receiving effect is achieved. In this embodiment, the fine filtering chamber and the primary filtering chamber are disposed adjacent to each other, and the second ultraviolet lamp 32 embedded in the matrix plate provides ultraviolet light to the water curtain plate.
The air treated in the activated carbon chamber is directly blown to the upper part of the matrix plate, passes through a plurality of gaps between the matrix plates and flows out from the lower part of the matrix plate, and the treated air is finely filtered. The light nanometer photocatalyst B on the surface of the matrix plate has basically the same reaction mechanism to harmful organic physical and chemical in the air as the nanometer photocatalyst A on the water curtain plate, and only the doped metal elements of zinc oxide and aluminum oxide are added to further enhance the semiconductor photosensitive property of the nanometer photocatalyst and form a large amount of free electrons. The oxygen ion group in the air flowing through the matrix plate can obtain electrons more easily to form the negative oxygen ions of the vital vitamins-ecological level necessary for human body. It should be noted that the oxygen required for the purification reaction of the matrix plate in the fine filter chamber is provided after the reaction in the primary filter chamber, so that the molecular oxygen content in the fine filter chamber is higher than that in the primary filter chamber, and the purification reaction in the fine filter chamber is not weakened due to no water participation, but is enhanced to play a true fine filtering role.
In this embodiment, the air outlet of fine filtering chamber is connected with plenum chamber 33, the exhaust fan sets up in the plenum chamber. The pressurizing chamber 33 is arranged on the upper part of the fine filtering chamber and is positioned above the primary filtering chamber and the middle filtering chamber, and a cross flow fan is arranged in the pressurizing chamber and is used for guiding the air after the tertiary treatment to be discharged. The fresh air which is clean and rich in a large amount of ecological negative oxygen ions is continuously provided for the environmental space.
The cultivation case is used as green plant of water planting, and it is connected with the storage water tank, is terraced fields column structure branch multilayer, is connected with the water pipe 53 that is used for adjusting cultivation incasement water level between the two adjacent layers cultivation case, and in this embodiment, the cultivation case sets up in the place ahead of just straining chamber, well straining chamber and smart straining chamber. Cultivation case delivery pipe lets in the storage water tank through the storage water tank top, the wet return of upper strata cultivation case constitutes the delivery pipe of lower floor's cultivation case, cultivation case wet return and storage water tank intercommunication of bottommost, in order to keep a invariable water level throughout in each layer cultivation incasement, make the green plant root remain the submergence throughout in aqueous, because rivers flow slowly in the cultivation case, make aquatic harmful substance deposit in cultivation bottom of the case portion, dissolve in the excrement of various harmful substance of aquatic and aquarium fish, especially those heavy metal ion that dissolve in aqueous in the air purification process, the homoenergetic is absorbed by the plant root, play the ecological purification effect to water, also provide the growth nourishment for the green plant simultaneously, make water can not produce secondary pollution at cyclic reuse in-process. The water in the water culture box continuously circulates and slowly flows, sufficient oxygen is provided for the growth of the roots of the green plants, and the green plants thrive. The green plants generate photosynthesis under the irradiation of the LED lamp light source, absorb carbon dioxide gas in the environmental space, convert the carbon dioxide gas into oxygen and emit the oxygen into the environmental space. Meanwhile, the green plants also have the effect of absorbing harmful substances and play a role in assisting in purifying ambient air. Thereby realizing a small-range ecological purification microcirculation.
In this embodiment, the water supply pipeline of the cultivation box is connected with a filter tank 52 for filtering impurities, and the main function of the water supply pipeline is to physically filter large particles of dust mixed into water, so as to keep the cleanness and clarity of the water, keep the water active and unchanged, ensure the smoothness of the whole water channel and maintain the long-term operation of the water curtain chamber.
In this embodiment, the LED lamp sets up to several different colours LED lamp areas, provides the light wave of the required various wavelengths of green vegetation, and the light wave of different colours shines on green vegetation, still can increase whole aesthetic feeling.
The home ecological device in this embodiment is provided with an automatic control circuit, and the automatic control circuit includes an ecological device control system and a detection system in wireless communication connection with the ecological device control system.
The ecological device control system comprises an ecological device main controller, and a switch button input module, an ultraviolet lamp tube driving module, an LED lamp driving module, a water pump driving module, a water curtain chamber fan driving module, an activated carbon chamber fan array driving module, a fine filter chamber exhaust fan driving module and an ecological device wireless Bluetooth transceiving module which are respectively and electrically controlled by the ecological device main controller.
The detection system comprises a detection main controller, and a PM2.5 detection module, a TVOC detection module, a negative oxygen ion detection module, an overrun alarm driving module, an alarm value setting module, a liquid crystal display module, a network transmission module and a detection end wireless Bluetooth transceiver module which are respectively electrically controlled by the detection main controller, wherein the network transmission module is in communication connection with a mobile phone terminal through the Internet of things, and the detection end wireless Bluetooth transceiver module is used for being in communication connection with an ecological device wireless Bluetooth transceiver module.
The detection system is equivalent to a relay network terminal, and can be used as an independent accessory to detect the air quality of a household environment space, the PM2.5 detection module mainly detects the PM2.5 dust concentration value in the environment space, the TVOC detection module mainly detects the TVOC (volatile organic compound) concentration value in the environment space, and the negative oxygen ion detection module mainly detects the content of negative oxygen ions in the environment space. The measured data can be stored in the main detection controller once every 2 hours, data in 12 time periods can be reserved every day, the data can be stored for 7 days in total so as to be read at any time, and the measured data is displayed through a liquid crystal display. A plurality of clean air index safety values are set through the alarm value setting module, and when the indexes cannot reach the clean air standard, the overrun alarm driving module sends out alarm signals through the buzzer. Meanwhile, the detection end wireless Bluetooth transceiving module and the ecological device wireless Bluetooth transceiving module send instructions to the ecological device control system, the ecological device is started to enter a working mode, and the processing capacity on the environmental space is improved. The ecological device control system is provided with multiple working modes to the system, presets "working mode", "silent mode", "sleep mode", and each mode corresponds different water pump rotational speed, fan rotational speed, LED lamp luminance and ultraviolet fluorescent tube luminance respectively, "working mode" purification rate is the fastest, "sleep mode" noise is minimum, realizes APP communication through family Wifi network and smart mobile phone, carries out remote monitoring to the ecological device.
In this embodiment, PM2.5 detection module, TVOC detection module, set to detachable structure between negative oxygen ion detection module and the ecological device main part, make detecting system also can regard as an environment detecting instrument exclusive use, when measuring that negative oxygen ion drops to very low suddenly in the house environment, whether should check at this moment in the family has coal gas leakage or other toxic gas pollution, when measuring PM2.5 in the environment seriously surpasss the standard suddenly, smog is diffused in probably the environment, notice initiation conflagration danger.
The invention follows the principle of 'nature ecology' to design, simulates the phenomenon of nature waterfall, designs the waterfall of the water curtain chamber, after the polluted air is filtered by the artificial water curtain waterfall, most of various harmful substances and dust in the air are dissolved and mixed in the water, the water curtain plate in the water curtain chamber uses the chemical immersion method, coats the 'composite nanometer photocatalyst' film, firmly adheres to the water curtain plate, and can resist the water flow impact for a long time. The photocatalytic film forms an electron-hole pair physical electric field under the action of ultraviolet light energy, and can perform a physical and chemical catalytic reaction with water and hydroxyl radical flowing through the water curtain plate under the action of the hole electric field to generate high-activity substances, such as hydroxyl negative ions, superoxide hydrogen and hydrogen peroxide, and the formed high-activity substances react with harmful organic matters flowing through the air to decompose the harmful organic matters into water and carbon dioxide gas which are harmless to human bodies. The harmful organic substances and bacteria dissolved in the water are decomposed and purified together in the same way. Under the 'photocatalysis' reaction, the water can be decomposed to generate oxygen and hydrogen, and the oxygen content in the environmental space is increased.
The nano photocatalytic air purifying room is designed to finely filter the treated air, and the finely filtered clean air is conveyed to a home space and is rich in air life vitamins and ecological negative oxygen ions which are necessary for people. And an oxygen-rich activated water vapor mass. The active dust-removing agent is emitted into 'negative oxygen ions' and active water molecular groups in the environment space, actively attacks, has the effects of dust removal, sterilization and harmful substance removal on the environment space, and can also achieve air purification without dead angles even in corners of the environment space. Actually measured negative oxygen ions in the air can reach 10000/cm at most 3 Left and right, 3000 in normal condition/cm 3 And on the left and right, the content level of negative oxygen ions in mountains and forests with multiple trees is achieved. According to the internationally recognized air cleanliness evaluation index, the 'ampere air quality evaluation index' CI can reach about 3 for a long time. [ CI = (n) - (1/q) formula wherein n - Is ecological negative oxygen ions, 1000 is the number of the negative oxygen ions required by human body comfort, and q = n + /n - ,n + Number of positive ions for environmental space]。
The invention is designed with a green plant cultivation box, which is arranged in multiple layers and is placed in a terrace type three-dimensional way. The cultivation box is communicated with the water storage tank, and continuously circulates to keep the activity of water and provide sufficient oxygen for the roots of the plants. So that the plants can grow vigorously. The heavy metal ions, nitrogen, ammonia compounds and the like dissolved in water are absorbed by plants, thereby further achieving the purpose of air purification. LED lamp strips with different frequency spectrums are arranged on the periphery and the upper part of the water culture box to provide illumination for green plants. By applying the ecological principle of 'photosynthesis' of green plants, carbon dioxide gas generated by the respiration and other activities of people in living space and carbon dioxide gas generated in the air purification process are converted into fresh oxygen. Meanwhile, the green plants also have the function of absorbing harmful organic matters, and the air quality of the household space is improved under the dual functions.
According to measurement and calculation, the green leaf spreading area of the three layers of green plants can reach 7m 2 On the left and right sides, can absorb a large amount of carbon dioxide gas and other harmful substances in the environmental space and release ecological oxygen necessary for people.
By using the special characteristics of the photocatalytic semiconductor of the composite nano material, the generated hydroxyl negative ions, superoxide hydrogen and hydrogen peroxide can chemically react with various organic gas molecules emitted in the air to decompose the organic gas molecules into carbon dioxide and water which are harmless to human bodies. Such as formaldehyde, phenol, etc. emitted by the paint after house decoration. Meanwhile, various peculiar smells and smells emitted by the household toilet can be removed.
Under the comprehensive action of hydroxyl negative ions, negative oxygen ions and ultraviolet rays, the sterilization device has excellent sterilization effect on staphylococcus aureus, escherichia coli, candida albicans and other bacteria in the environmental space.
The organic matter in the second-hand smoke is decomposed well, and the concentration of PM2.5 floating dust in the indoor space can be greatly reduced. After the ecological device is operated for one hour, the lowest value of the ecological device is actually measured to be 7ug/m 3 Up and down, the highest 40ug/m 3 Left and right.
The purple light pipe arranged in the device emits light waves of 365nm close to natural light, is very attractive to mosquitoes, and attracts the mosquitoes to the vicinity of the fan through weak scattered light in the space of the fan blade of the main exhaust fan so as to be sucked by air flow. In addition, the surrounding high-humidity environment and green plants, the temperature difference effect between the center and the periphery of the ecological device and the carbon dioxide gas generated after the harmful organic matters in the air are treated are particularly preferred by mosquitoes, the mosquitoes are attracted to the periphery of the ecological device in a dispute, are sucked into an air curtain chamber by a fan and are blown into water to be drowned, and the effect of ecological mosquito killing is achieved. If ornamental fishes are cultured in the lower water tank, mosquito carcasses are also natural baits of the fishes, and excrement of the fishes is also organic fertilizer of green plants, so that small ecological cycle is achieved.
The device also has the function of humidifying the dry environment, and can effectively humidify about 10 to 20 percent in a certain environmental space.
In order to accelerate the air purification speed, a double-channel air inlet mode at the left side and the right side is designed, fans with different diameters can be adopted, and the maximum CADR (air purification volume per hour) value can reach 370m 3 Per hour, treatment 15M 2 The room air does not exceed 5 minutes. Because of adopting multilayer water curtain waterfall filtration, only water and ultraviolet light energy are consumed in the purification process, the CCM value (air purification capacity entering half-life period) of the ultraviolet tube depends on the half-life period of the ultraviolet tube, and conservative estimation can reach more than 8000 hours. Therefore, the ecological device is a low-consumption and high-efficiency contractor for optimizing the environment space.
Through the detection of various sensors to ambient air, the application micro-processing chip is used for processing and controlling detected data and the application of the Internet of things and the mobile phone APP, so that the remote intelligent control of the household indoor environment is realized.
The following are other operational measured data of the ecological device of this embodiment:
1) PM2.5: environmental space 60M 3 When smoke is exhausted indoors, PM2.5 rises to 680ug/M 3 After running for 20 minutes, the temperature is reduced to 20ug/M 3 . Using the instrument: PM2.5 special tester manufactured by Shanghai Sanjie company.
2) Negative oxygen ions: 60M 3 The environment space of the device can reach 5000 pieces/cm at most 3 The above. Usually between 2000 and 4000. Using an instrument: a special negative oxygen ion tester of Beijing Yipai company.
3) TVOC (volatile organic): test environment space 60M 3 The pollutant is more than 100 times of the national standard, and the pollutant is formaldehyde, benzene and amine after 10 hours. From 100 times to 10 times, only 20 minutes or so. The national standard is 0.8ppm. The instrument is used, and the TVOC special tester is produced by Guangzhou precision measurement and control instrument tool Co.
4) Moisturizing effect: increase from 38% to 58% and run time 3 hours.
5) The oxygen increasing effect is as follows: the ambient air oxygen content was reduced to 17% and after two hours of operation the air oxygen content increased to 21.5%. The instrument used, oxygen meter.
6) The peculiar smell removing effect is as follows: the effect is obvious, a certain volume of the air-tight device is a relatively closed space, and after the air-tight device runs for 10 minutes, any peculiar smell can hardly be sensed. Evaluation conclusion of environmental protection professional (smeller): the effect is excellent. The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A novel household ecological device is characterized by comprising an air filtering system and a water circulating system, the air filtering system comprises a primary filtering chamber, a middle filtering chamber (2) and a fine filtering chamber (3) which are communicated in sequence, the water circulation system comprises a water storage tank (4) and a cultivation box (5) planted with plants (6), a water supply pipe and return water of the cultivation box are communicated with the water storage tank, a first water pump is connected to the water supply pipe of the cultivation box, the primary filtering chamber comprises a water curtain chamber (1) which realizes the communication between an air filtering system and a water circulating system, the water curtain chamber comprises a water curtain plate array (11), a water tank with holes (12) and a fan (13), the water curtain plate array is arranged above the water storage tank, water on the water curtain plate can flow into the water storage tank, the water tank with holes is arranged at the top of the water curtain plate array and is used for supplying water to the water curtain plate, so that a water curtain is formed on at least one plate surface of the water curtain plate, a water supply pipe and backwater of the water tank with holes are communicated with the water storage tank, a water pump II is connected on the water supply pipe of the water tank with holes, the fan is arranged at the air inlet of the water curtain chamber and is positioned at one side or two sides of the water curtain plate array in the transverse direction, the air outlet of the fan is aligned with the water curtain plate array, the water curtain plate array comprises a plurality of water curtain plates, the surface of the water curtain plate is vertically or obliquely arranged, the air from the fan is fully contacted with the water in the water curtain to remove the impurities in the air, the surface of the water curtain plate array is coated with the nano photocatalyst, the shell of the water curtain chamber is of a transparent structure, and a first ultraviolet lamp tube (14) for providing ultraviolet light for a water curtain plate in the shell is arranged outside the shell of the water curtain chamber;
the air purifier is characterized in that a filter box (21) for filtering air flowing in from the water curtain chamber is arranged in the middle filter chamber, an air outlet of the middle filter chamber is provided with a fan array (22) for forcing airflow to pass through the filter box, a matrix plate (31) for finely filtering the air flowing in from the middle filter chamber is arranged in the fine filter chamber, the surface of the matrix plate is coated with a nano photocatalyst, an ultraviolet lamp tube II (32) is embedded in the matrix plate, an exhaust fan for exhausting the finely filtered air is arranged at the air outlet of the fine filter chamber, and an exhaust port of the exhaust fan is aligned with the cultivation box, so that the air purified by the fine filter chamber can be naturally filtered by plants; the second ultraviolet lamp tube (32) and the first ultraviolet lamp tube (14) are integrated to use the same group of ultraviolet lamp tubes or two groups of different ultraviolet lamp tubes;
an LED lamp (51) for providing illumination for plants is arranged above the cultivation box, and the LED lamp and the green plants form a green plant ecological purification system which has a synergistic effect on the air filtration system and the water circulation system;
the cross section outline of the water curtain plate is the same as the cross section outline of the wing, a plurality of through holes (111) are arranged on the surface of the water curtain plate along the thickness direction, and the air flow direction of the air outlet of the fan and the water curtain plate forms a windward angle alpha, so that pressure difference is formed between two sides of the water curtain plate in the thickness direction when the air flow flows through the water curtain plate, the air on the high pressure side of the water curtain plate flows to the low pressure side of the water curtain plate through the through holes (111) and penetrates through the water curtain on the low pressure side, and the water flow flowing through the water curtain plate is decomposed into fine water mist, and impurities and harmful substances are mixed into the water and flow into the water storage tank in the process;
the section of the water curtain plate and the airflow direction form an windward angle alpha smaller than 7 degrees.
2. A new type of domestic ecological device, according to claim 1, characterized in that the filter box (21) in the middle filter chamber is an activated carbon filter box, and the surface of the matrix plate of the fine filter chamber is provided with a columnar array for increasing the photocatalytic reaction area of the matrix plate.
3. A novel household ecological device as claimed in claim 1, characterized in that, a plurality of water curtain plates are arranged vertically and in parallel in the water curtain plate array, the water tank (12) with holes is controlled to supply water to one side of the water curtain plate to form a water curtain on one plate surface of each water curtain plate, a plurality of densely-distributed through holes (111) are arranged on the water curtain plate along the thickness direction, and no water curtain is arranged on the other plate surface of the water curtain plate, so that the air to be purified from the air outlet of the fan horizontally enters the other end with the water curtain from the end without the water curtain of the densely-distributed through holes, and impurities and harmful substances in the air are primarily removed by the water in the water curtain.
4. A novel household ecological device as claimed in claim 1, wherein the fine filtering chamber and the primary filtering chamber are disposed adjacently, and the ultraviolet lamp tube two (32) embedded in the matrix plate provides ultraviolet light to the water curtain plate at the same time.
5. A novel family ecology device according to claim 1, characterized in that the cultivation boxes (5) are arranged in a terrace-shaped multi-layer structure, a water pipe (53) for adjusting the water level in the cultivation boxes is connected between two adjacent cultivation boxes, and a filter tank (52) for filtering impurities is connected on the water supply pipeline of the cultivation boxes.
6. A new type of domestic ecological device, according to claim 1, characterized in that the air outlet of the water curtain chamber is provided with a wind deflector (15) for changing the rotating turbulence of the air purified by the water curtain plate into smooth air flow.
7. The novel household ecological device as claimed in claim 1, wherein a plenum chamber (33) for accelerating the wind speed of the outlet air and adjusting the wind direction of the outlet air is connected to the outlet of the fine filtering chamber, and the exhaust fan is disposed in the plenum chamber.
8. A new type of domestic ecological device, according to claim 1, characterized in that the water leakage holes (121) provided on the bottom of the perforated water tank supply water only to the low pressure side of the air flow of the water curtain plate.
9. The novel household ecological device as claimed in claim 1, wherein the household ecological device is further provided with an automatic control circuit, and the automatic control circuit comprises an ecological device control system and a detection system in wireless communication connection with the ecological device control system;
the ecological device control system comprises an ecological device main controller, a switch button input module, an ultraviolet lamp tube driving module, an LED lamp driving module, a water pump driving module, a water curtain chamber fan driving module, an activated carbon chamber fan array driving module, a fine filter chamber exhaust fan driving module and an ecological device wireless transceiving module, wherein the switch button input module, the ultraviolet lamp tube driving module, the LED lamp driving module, the water pump driving module, the water curtain chamber fan driving module, the activated carbon chamber fan array driving module, the fine filter chamber exhaust fan driving module and the ecological device wireless transceiving module are respectively electrically connected and controlled by the ecological device main controller;
the detection system comprises a detection main controller, and a PM2.5 detection module, a TVOC detection module, a negative oxygen ion detection module, an overrun alarm driving module, an alarm value setting module, a liquid crystal display module, a network transmission module and a detection end wireless transceiver module which are respectively electrically controlled by the detection main controller, wherein the network transmission module is in communication connection with a mobile phone terminal through the Internet of things, and the detection end wireless transceiver module is used for being in communication connection with an ecological device wireless transceiver module.
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