CN204534865U - A kind of high-efficiency domestic air purifier - Google Patents

Abstract

The utility model relates to a high-efficiency household air purifier, which comprises a casing, an air inlet arranged at the lower part of the casing, and an air outlet arranged at the upper part of the casing; At least one set of screw rods is symmetrically arranged on the opposite side of the at least one set of screw rods, and a filter unit is arranged between the at least one set of screw rods. Equipped with fan and controller. The high-efficiency household air purifier of the utility model adopts a special air inlet and outlet structure, which not only allows the air to pass through each filter screen evenly, but also effectively increases the filtering area, and finally obtains a better purification effect, and at the same time, the design of the air outlet is better. Good for air circulation.

Description

A high-efficiency household air purifier

technical field

The utility model relates to an air purifier, in particular to a high-efficiency household air purifier.

Background technique

Research by experts at home and abroad has proved that after "soot type" and "photochemical smog type" pollution, modern people are entering the third pollution period marked by "indoor air pollution". Studies have shown that indoor air pollution is two to five times worse than outdoor air, and can reach 100 times in special cases. A survey in the United States shows that more than 500 kinds of volatile organic compounds can be detected in indoor air, and the harmful substances in indoor air are dozens of times higher than those outdoors. According to a Canadian health organization survey, 68% of diseases originate from indoor air pollution.

According to statistics from the China Consumers Association, the focus of consumer complaints has gradually shifted from quality complaints to indoor environmental pollution complaints. The national health, construction and environmental protection departments conducted a random inspection of interior decoration materials, and found that 68% of the materials with toxic gas pollution, these decoration materials will volatilize more than 300 volatile organic compounds, such as formaldehyde, trichlorethylene, benzene, Xylene, etc., can easily cause various diseases. Buildings themselves can also be a source of indoor air pollution. There is another hidden danger of indoor air pollution—air conditioning, which is becoming more and more popular in modern life, causing the human body, room and air conditioner to form a closed circulation system indoors, which can easily cause bacteria, viruses, molds and other microorganisms to multiply in large numbers.

As the most simple and effective way to control indoor air pollution, air purifiers are gradually becoming popular. However, the current air purifiers generally have defects such as unreasonable structural design, low comprehensive purification efficiency, unguaranteed safety, low filter life, and high cost of replacing filter elements, which seriously affect the further promotion of air purification devices.

Utility model content

The purpose of this utility model is to propose an air purifier with reasonable structural design, low overall purification efficiency, unsafe safety, low filter element life, and high cost of replacing filter elements, etc. A high-efficiency household air purifier with high efficiency and good safety performance.

In order to achieve the above purpose, the utility model provides a high-efficiency household air purifier, which includes a casing, an air inlet arranged at the lower part of the casing, and an air outlet arranged at the upper part of the casing, and a ring baffle is arranged at the lower part of the casing At least one set of screw rods is symmetrically arranged on the opposite side of the retaining bar, and a filter unit is arranged between the at least one set of screw rods, and the filter unit is fixed by a bead set on the screw rod at both ends, A fan and a controller are arranged on the inner upper part of the housing; the air inlet, the filter unit, the area between the baffle and the housing, the inside of the fan, and the air outlet form an air circulation channel when the air purifier is working.

Preferably, the filter unit includes a HEPA filter screen, an electrostatic electret filter screen, a high-energy particle purification filter screen, a honeycomb catalytic filter screen, and an adsorption medium filter screen arranged in sequence along the direction of the air circulation channel, and the adsorption medium filter screen is Activated carbon mesh or activated carbon fiber mesh.

Preferably, the honeycomb catalytic filter is a honeycomb ceramic mesh whose outer surface is coated with a noble metal layer and whose inner surface is coated with a metal manganese or manganese oxide layer.

Preferably, the length and width of the filter unit are greater than the length and width of the inner side of the bar.

Preferably, a display screen is also provided on the housing.

Preferably, a deflector is provided between the outlet of the fan and the air outlet.

Preferably, the air inlet is a grid slot or a round hole.

Preferably, the air outlet is provided with deflectors inclined upward at 20° to 60°.

Preferably, the air outlet and the deflector are integrally structured, and the deflector is movably connected to the fan.

Based on the above-mentioned technical scheme, the utility model has the advantages of:

The high-efficiency household air purifier of the utility model adopts a special air inlet and outlet structure, which not only allows the air to pass through each filter screen evenly, but also effectively increases the filtering area, and finally obtains a better purification effect, and at the same time, the design of the air outlet is more efficient. Good for air circulation. Further, the use of honeycomb catalytic filter can not only enhance the efficiency of high-energy particles to degrade organic waste gas, but also decompose ozone generated by high-energy particles and ultraviolet light, prevent personal injury caused by high-concentration ozone, and improve the safety of air purifiers.

Description of drawings

The drawings described here are used to provide a further understanding of the utility model and constitute a part of the application. The schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute improper limitations to the utility model. In the attached picture:

Figure 1 is a schematic diagram of the external structure of a high-efficiency household air purifier;

Figure 2 is a schematic diagram of the internal structure of a high-efficiency household air purifier;

Fig. 3 is a schematic side view of the internal structure of a high-efficiency household air purifier;

Among them, 1~housing; 2~air inlet; 3~air outlet; 4~display screen; 5~deflector; 6~fan; 7~controller; ~HEPA filter screen; 12~electrostatic electret filter screen; 13~high-energy particle purification filter screen; 14~honeycomb catalytic filter screen; 15~adsorption medium filter screen;

Detailed ways

The technical solutions of the present utility model will be further described in detail through the drawings and embodiments below.

The utility model provides a high-efficiency household air purifier, as shown in FIG. 1 , comprising a housing 1 , an air inlet 2 arranged at the lower part of the housing 1 and an air outlet 3 arranged at the upper part of the housing 1 . Preferably, the air inlet 2 is a grid slot or a round hole, which is both beautiful and uniform. Preferably, the air outlet 3 is provided with deflectors inclined upwards of 20-60° to guide the purified air upwards of 20-60°, which not only avoids the discomfort caused by the air directly blowing to the human body, It can also help to form a large circulation of indoor air and improve the purification effect. Preferably, the housing 1 is also provided with a display screen 4 to display status information of the air cleaner. Of course, the display screen 4 can also be a touch screen, so that the user can use it for intuitive manipulation.

As shown in Figure 2, a ring of retaining strips 16 is provided on the lower part of the housing 1, and at least one set of screw rods 9 are symmetrically arranged on the opposite side of the retaining strip 16, and a filter is provided between the at least one set of screw rods 9. A unit 10, the filter unit 10 is fixed by a bead 8 sleeved on the screw 9 at both ends. The retaining bar 16 can be made of metal, so as to meet the requirement of sufficient strength and facilitate the welding of the screw rod 9 . Preferably, in this embodiment, two groups of screw rods 9 are arranged symmetrically on opposite sides of the retaining strip 16 to ensure the fixing effect. Through the cooperation of the pressing bar 8 and the screw rod 9 , the filter unit 10 can be completely and tightly pressed on the retaining bar 16 , and at the same time, it is convenient to replace and maintain each filter screen in the filter unit 10 .

Preferably, the length and width of the filter unit 10 are larger than the length and width of the inside of the bar 16 to ensure that the frame of the filter unit 10 can completely cover the space inside the bar 16 . At the same time, the width of the bar 16 should also be appropriate. If the width is too small, it is not convenient to install the screw rod 9. If the width is too large, it will affect the effective purification and filtration area.

As shown in FIG. 2 and FIG. 3 , a blower fan 6 and a controller 7 are arranged on the inner upper part of the housing 1 . The fan 6 is arranged behind the filter unit 10, so that the air intake mode of the air cleaner is negative pressure air intake, which effectively avoids potential safety hazards caused by air leakage. Preferably, a deflector 5 is provided between the outlet of the fan 6 and the air outlet 3 to evenly disperse the air into the air outlet 3 and reduce resistance. The air outlet 3 and the deflector 5 are integrally structured, and the deflector 5 and the fan 6 are movably connected, so as to facilitate disassembly and cleaning, maintenance, repair and the like.

As shown in Figure 3, the filter unit 10 includes a HEPA filter 11, an electrostatic electret filter 12, a high-energy particle purification filter 13, a honeycomb catalytic filter 14, and an adsorption medium filter arranged in sequence along the direction of the air circulation channel A. Net 15.

The HEPA filter is divided into five materials: PP filter paper, glass fiber, composite PP PET filter paper, melt-blown polyester non-woven fabric and melt-blown glass fiber. It is characterized by small wind resistance, large dust holding capacity, high filtration accuracy, and can It can be processed into various sizes and shapes according to needs; the filtration performance of the HEPA filter screen 11 is directly proportional to its surface area, and the HEPA filter screen 11 in the air purification medium unit is folded in multiple layers, and the area after unfolding is increased by about 14.5 times than when folded, which can Effectively traps inhalable particles, smoke, dust, bacteria, etc. above 0.3 microns, and is resistant to high temperature, corrosion and mildew, and has excellent filtration performance.

The particles >0.3 micron in the air treated by the HEPA filter 11 are basically removed, but the particles <0.3 micron have not been processed, and at this time electrostatic adsorption has just played a role; the purification unit 10 has adopted electrostatic electret filtration Net 12, can remove dust, smoke, mist particles, pet dander, mold gowns, pollen, bacteria, viruses, the removal rate is as high as 99.97%, has the advantages of low resistance, high efficiency, long life, etc., and can effectively prevent The fine particles block the capillary in the adsorption medium in the subsequent treatment process, prolonging the service life of the adsorption medium.

The high-energy particle purification filter screen 13 produces high-energy particles, such as plasma, negative ions, positive ions, ozone, etc., through a discharge device, which can powerfully purify and process harmful substances such as VOC, peculiar smell, bacteria, and viruses in the air. , viruses, etc. The removal rate is as high as 99%. High-energy particles have extremely strong killing power to bacteria, molds, germs and other microorganisms. It kills viruses by directly destroying their RNA and NDA substances. The process of killing bacteria and virus-like microorganisms is done by high-energy particles It first acts on the cell membrane, and then destroys the tissue in the membrane until it dissolves and dies.

Preferably, the honeycomb catalytic filter 14 is a honeycomb ceramic mesh whose outer surface is coated with a noble metal layer and whose inner surface is coated with a metal manganese or manganese oxide layer. It can not only catalyze the reaction between formaldehyde and oxygen in the air, but also catalyze the reaction of various harmful gases and odors in ammonia, toluene, xylene, hydrogen sulfide and VOC with oxygen to generate water and carbon dioxide, which can significantly improve the The high-energy particles produced by the high-energy particle purification filter screen 13 have a high efficiency of removing VOC and peculiar smell, and deeply purify the air. Further, the honeycomb catalytic filter 14 can also catalyze and decompose ozone generated by high-energy particles and ultraviolet light, prevent personal injury caused by high-concentration ozone, effectively prevent the formation of secondary pollution, and improve the safety of the air purifier.

Preferably, the adsorption medium filter screen 15 is an activated carbon network or an activated carbon fiber network. Activated carbon is a very fine carbon particle with a large surface area. When gas pollutants hit the capillary, the strong adsorption force field around the pores of activated carbon will immediately suck the gas molecules into the pores to purify the air. Activated carbon fiber (ACF for short) is an activated carbon-containing fiber. The surface of the fiber is covered with micropores (that is, the positions occupied by hydrogen and oxygen atoms before volatilization), and its pore diameter is one hundred thousandth of a hair. , the inner surface of these micropores is expanded, and the expanded area of 1g of activated carbon fiber felt is as high as 1600m ² , and these micropores play the role of absorbing odor.

When the air purifier was working, the air flowed through the area between the air inlet 2, the filter unit 10, the baffle 16 and the housing 1, the inside of the fan 6, and the air passage A formed by the air outlet 3. Specifically, the air is inhaled from the air inlet by the negative pressure formed by the fan, and passes through each layer of filter screens from the outer vertical filter screen surface of the purification unit to complete the purification of the air; then the air enters the air from the area between the bar and the shell The upper part of the purifier is inhaled by the fan; finally, the air comes out from the outlet of the fan, passes through the guide of the deflector, and is discharged along the air outlet at an angle of 20 to 60°.

The high-efficiency household air purifier of the utility model adopts a special air inlet and outlet structure, which not only allows the air to pass through each filter screen evenly, but also effectively increases the filtering area, and finally obtains a better purification effect, and at the same time, the design of the air outlet is more efficient. Good for air circulation. Further, the use of honeycomb catalytic filter can not only enhance the efficiency of high-energy particles to degrade organic waste gas, but also decompose ozone generated by high-energy particles and ultraviolet light, prevent personal injury caused by high-concentration ozone, and improve the safety of air purifiers.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model and not limit it; although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should understand that: still The specific implementation of the utility model can be modified or some technical features can be equivalently replaced; without departing from the spirit of the technical solution of the utility model, all of them should be included in the scope of the technical solution claimed by the utility model.

Claims (9)

1. A high-efficiency household air cleaner, comprising a housing (1), an air inlet (2) arranged at the bottom of the housing (1) and an air outlet (3) arranged at the top of the housing (1), characterized in In that: the inner lower part of the housing (1) is provided with a ring of retaining strips (16), and at least one group of screw rods (9) are symmetrically arranged on the opposite sides of the described retaining rods (16), and the at least one group of screw rods (9) A filter unit (10) is arranged between them, and the filter unit (10) is fixed by a bead (8) sleeved on the screw (9) at both ends, and a fan is provided on the inner upper part of the shell (1) (6) and controller (7); the air inlet (2), the filter unit (10), the area between the bar (16) and the casing (1), the inside of the fan (6), the air outlet (3) Form the air circulation channel (A) when the air cleaner works. 2. The air purifier according to claim 1, characterized in that: the filter unit (10) comprises a HEPA filter (11) arranged in sequence along the direction of the air circulation channel (A), an electrostatic electret filter ( 12), high-energy particle purification filter screen (13), honeycomb catalytic filter screen (14), adsorption medium filter screen (15), and the adsorption medium filter screen (15) is activated carbon net or activated carbon fiber net. 3. The air purifier according to claim 2, characterized in that: the honeycomb catalytic filter screen (14) is a honeycomb ceramic that the outer surface is coated with a noble metal layer and the inner surface is coated with metal manganese or manganese oxide layer net. 4. The air cleaner according to claim 1, characterized in that: the length and width of the filter unit (10) are larger than the length and width of the inside of the bar (16). 5. The air purifier according to claim 1, characterized in that: a display screen (4) is also provided on the housing (1). 6. The air purifier according to claim 1, characterized in that: a deflector (5) is provided between the outlet of the fan (6) and the air outlet (3). 7. The air cleaner according to claim 1, characterized in that: the air inlet (2) is a grid groove or a round hole. 8 . The air purifier according to claim 1 , characterized in that: the air outlet ( 3 ) is provided with deflectors inclined upward at 20-60°. 9. The air purifier according to claim 6, characterized in that: the air outlet (3) and the deflector (5) are integrally structured, and the deflector (5) is integrated with the fan (6) are active connections.