CN206549340U - A kind of air purifier - Google Patents

Abstract

The utility model provides an air purifier, comprising: a purifier casing, an exhaust fan and a HEPA filter screen for high-efficiency air filtration; The casing air inlet surface and the casing exhaust surface which are connected to each other and arranged oppositely; the exhaust fan is arranged between the air inlet surface of the casing and the HEPA filter; the HEPA filter is arranged on the Between the exhaust fan and the exhaust surface of the casing; the HEPA filter spirals toward the center of the filter in a vortex shape, and the spiral direction of the HEPA filter corresponds to the air rotation direction of the exhaust fan. The technical solution of the utility model can improve the purifying effect of the air purifier without increasing the volume of the air purifier.

Description

an air purifier

technical field

The utility model relates to the technical field of household appliances, and more specifically relates to an air purifier.

Background technique

With the improvement of the level of industrialization, a large amount of smog produced by vehicle exhaust and industrial pollution is seriously threatening people's health. As the main pollution component of smog, PM2.5 (particle diameter less than or equal to 2.5 microns) fine particulate matter , due to its small diameter, it is difficult to filter out, and it can be suspended in the air for a long time and is easy to attach harmful substances, which will cause serious harm to human health.

In the related art, an air purifier that includes a HEPA (High Efficiency Particulate Air, high-efficiency air filter) filter screen is generally used to purify fine particles in the indoor air. Specifically, a fan is arranged in the air purifier to drive air through HEPA filter to filter out fine particles such as PM2.5 in the air,

However, due to the thinner HEPA filter screen, the filtering effect on fine particles is not good. Although the multi-layer HEPA filter screen is set in the related art to enhance the filtering effect, the multi-layer HEPA filter screen will cause the volume of the air purifier to increase. Large, making the air purifier bulky and inconvenient to carry.

To sum up, how to improve the filtering effect of the air purifier without increasing the volume of the air purifier has become a technical problem to be solved urgently by those skilled in the art.

Utility model content

The purpose of this utility model is to provide an air purifier to solve the problem that the air purifiers in the prior art introduced in the background art have poor filtering effect on fine particles.

In order to solve the above technical problems, the utility model provides the following technical solutions:

The utility model provides an air purifier, comprising: a purifier casing, an exhaust fan and a HEPA filter; wherein, the purifier casing includes a purifier body, which is respectively connected to the purifier body and The air intake surface and the exhaust surface of the casing are oppositely arranged;

The exhaust fan is arranged between the air intake surface of the casing and the HEPA filter;

The HEPA filter is arranged between the exhaust fan and the exhaust surface of the casing;

The HEPA filter screen spirals toward the center of the filter screen in a swirl shape, and the spiral direction of the HEPA filter screen corresponds to the air rotation direction of the exhaust fan.

Preferably, there are multiple HEPA filters, and the exhaust fan is a plurality of exhaust fans arranged on the same plane, the exhaust fans correspond to the HEPA filter one by one, and The HEPA filters are arranged parallel to each other.

Preferably, there is one HEPA filter screen, and there are multiple exhaust fans arranged on the convex surface, the center of the convex surface protrudes toward the HEPA filter screen, and the exhaust fans The exhaust angle of the air fan is inclined to the center of the convex surface.

Preferably, the air purifier also includes:

a dust isolation filter arranged between the exhaust fan and the HEPA filter;

The dust isolation filter is bonded to the body of the purifier or fixed by a screw.

Preferably, the air purifier also includes: an anion silica gel layer arranged between the HEPA filter screen and the exhaust surface of the casing and connected to the purifier body;

The four corners of the negative ion silica gel layer are provided with humidifiers, and the humidifiers are fixed to the body of the purifier.

Preferably, the air purifier also includes:

A hydrophilic filter material layer that is arranged between the anion silica gel layer and the exhaust surface of the casing and is connected with the purifier body;

An activated carbon material layer arranged between the hydrophilic filter material layer and the exhaust surface of the casing and connected with the purifier body.

Preferably, the air intake surface of the casing and the exhaust surface of the casing respectively include: a plurality of louvers, transversely rotating connecting rods, connecting rod driving devices and driving motors; wherein,

Among the plurality of louvers, each louver is rotationally connected with the purifier body through the transversely rotating connecting rod;

The transversely rotating connecting rod is electrically connected to the connecting rod driving device;

The connecting rod driving device is electrically connected with the driving motor.

Preferably, the air purifier also includes:

A freshener spray head arranged between the HEPA filter screen and the exhaust surface of the casing, the freshener spray head is fixed on the purifier body.

Preferably, the air purifier also includes:

The electrostatic adsorption electrode array of the purifier body is arranged between the HEPA filter screen and the exhaust surface of the casing, and the electrostatic adsorption electrode array is perpendicular to the air flow direction.

Preferably, the air cleaner further includes: an air chamber disposed between the HEPA filter and the exhaust surface of the casing;

An electric heating wire is arranged in the air chamber for heating the air filtered by the HEPA filter.

The working process of the air purifier provided by the utility model is as follows:

The exhaust fan rotates, sucks in air from the air intake surface of the casing, and blows it out to the HEPA filter. Therefore, the air blown from the exhaust fan will move from the edge of the HEPA filter to the center. During this process, the air stays in the HEPA filter for a longer time, and the air will be blocked by the HEPA filter for a long time, and the PM2 in the air will .5 and other fine particles will be blocked by the HEPA filter, so that the fine particles in the air can be filtered more cleanly.

Through the above working process, it can be concluded that the air purifier provided by the utility model is spirally vortexed towards the center by setting the HEPA filter screen, which saves the volume of the air purifier compared with the multi-layer filter screen in the background technology. This makes the air purifier more compact, and at the same time, the helical direction of the HEPA filter is the same as the air rotation direction of the exhaust fan, which will not block the circulation of air and promote the purification efficiency of indoor air.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, for those of ordinary skill in the art, no creative work On the premise of certainty, other drawings can also be obtained based on these drawings.

Fig. 1 is a schematic structural view of an air purifier shown in an exemplary embodiment of the present invention;

Fig. 2 is a schematic structural view of an air purifier shown in an exemplary embodiment of the present invention;

Fig. 3 is a schematic structural view of an air purifier shown in an exemplary embodiment of the present invention;

Fig. 4 is a schematic structural view of an air purifier shown in an exemplary embodiment of the present invention;

Fig. 5 is a schematic structural view of an air purifier shown in an exemplary embodiment of the present invention;

Fig. 6 is a schematic structural view of an air purifier shown in an exemplary embodiment of the present invention;

Fig. 7 is a schematic structural view of an air purifier shown in an exemplary embodiment of the present invention;

Fig. 8 is a schematic structural view of an air purifier shown in an exemplary embodiment of the present invention;

Fig. 9 is a schematic structural view of an air purifier shown in an exemplary embodiment of the present invention;

Fig. 10 is a schematic structural view of an air purifier according to an exemplary embodiment of the present invention.

The corresponding relationship between each structure and the reference numerals in Fig. 1 to Fig. 10 is as follows:

1-purifier casing, 101-purifier body, 102-casing intake surface, 103-casing exhaust surface, 1001-louver, 1002-transversely rotating connecting rod, 1003-connecting rod driving device, 1004 -drive motor, 2-exhaust fan, 3-HEPA filter, 4-dust isolation filter, 5-negative ion silica gel layer, 6-humidifier, 7-hydrophilic filter material layer, 8-activated carbon material layer, 9 - freshener nozzle, 10 - electrostatic adsorption electrode array, 11 - air chamber, 12 - heating wire.

detailed description

The air purifier provided by the embodiment of the utility model solves the problems of increased volume and inconvenient portability of the existing air purifier introduced in the background art to improve the air filtering effect.

In order to enable those skilled in the art to better understand the technical solutions in the embodiments of the utility model, and to make the above-mentioned purposes, features and advantages of the embodiments of the utility model more obvious and easy to understand, the following describes the embodiments of the utility model in conjunction with the accompanying drawings The technical scheme in is described in further detail.

Please refer to accompanying drawing 1, which is a schematic structural view of an air purifier according to an exemplary embodiment of the present invention. As shown in Figure 1, the air purifier provided by the embodiment of the present invention includes:

Purifier casing 1, exhaust fan 2 and HEPA filter screen 3; wherein,

The purifier casing 1 includes a purifier body 101, a casing inlet surface 102 and a casing exhaust surface 103 which are respectively connected to the purifier body 101 and arranged oppositely;

The exhaust fan 2 is arranged between the air intake surface 102 of the casing and the HEPA filter screen 3;

The exhaust fan 2 is arranged between the air intake surface 102 of the casing and the HEPA filter screen 3, and the exhaust fan 2 rotates to inhale air from the air intake surface 102 of the casing and blow it toward the HEPA filter screen 3, thus speeding up the air circulation , making the HEPA filter 3 filter more air.

Wherein, the HEPA filter 3 is arranged between the exhaust fan 2 and the exhaust surface 103 of the casing;

HEPA (High efficiency particulate air Filter, high-efficiency air filter) filter screen is a high-efficiency air filter screen. The effective filtration rate for fine particles of 0.1 micron and 0.3 micron can reach 99.7%, but ordinary air can pass through, that is, HEPA filter screen 3 It can allow air to pass through, but fine particles cannot pass through, so it can effectively filter out fine particles such as PM2.5, smog, dust and bacteria.

And the HEPA filter screen 3 spirals toward the center of the filter screen in a spiral shape, and the spiral direction of the HEPA filter screen 3 corresponds to the air rotation direction of the exhaust fan 2 .

Since the HEPA filter screen 3 spirals to the center in a vortex shape, the air blown in from the exhaust fan 2 will move from the edge of the HEPA filter screen 3 to the center. It will stay in the HEPA filter 3 for a long time, and fine particles such as PM2.5 in the air will be blocked by the HEPA filter 3, so that the fine particles in the air can be filtered more thoroughly. At the same time, the helical direction of the HEPA filter screen 3 corresponds to the air rotation direction of the exhaust fan 2, that is, the direction of the two is set to be the same, which will reduce the resistance of the air circulation and will not block the circulation of the air, thereby improving the purification efficiency of the air .

In summary, the air purifier provided by the embodiment shown in Fig. 1 saves the volume of the air purifier by setting the HEPA filter screen 3 to spiral toward the center, compared with the way of setting multi-layer filter screens in the background technology, and at the same time The air purification effect is improved, so that the air purifier is smaller while maintaining the purification efficiency.

In order to improve the purification effect of the HEPA filter screen 3 in the air cleaner, as a preferred embodiment, as shown in Figure 2, there are multiple HEPA filter screens 3, and the exhaust fan 2 is arranged on the same plane. A plurality of exhaust fans 2, the exhaust fans 2 and the corresponding HEPA filters 3 are arranged parallel to each other.

There are multiple HEPA filter screens 3 and exhaust fan 2, and are arranged in parallel with the corresponding HEPA filter screen 3, then each HEPA filter screen 3 is responsible for filtering out the air blown by an exhaust fan 2, the air intake is large, and the air The circulation speed is fast, and the air intake is uniform, which improves the air purification speed.

Simultaneously, as a kind of preferred embodiment, in order to save the built-in space of air purifier, as shown in Figure 3, HEPA filter screen 3 is set as one, and described exhaust fan 2 has a plurality of, and a plurality of described exhaust fans 2 are arranged on a convex surface, and the center of the convex surface faces the convex surface of the HEPA filter screen 3, and the exhaust angle of the exhaust fan 2 is inclined to the center of the convex surface.

The HEPA filter screen 3 spirals to the center and is in a vortex shape. By arranging the exhaust fan 2 on the convex surface protruding from the center to the HEPA filter screen 3, the air flow rate blown by the exhaust fan 2 at the center of the convex surface is fast, which can play a role. The effect of agitating the air on the swirling HEPA filter 3 accelerates the flow of air on the surface of the HEPA filter 3. At the same time, the exhaust angle of multiple exhaust fans 2 is inclined to the center of the convex surface, and the exhausted air flows toward the center of the HEPA filter 3. , will cause the air pressure in the center of the HEPA filter 3 to be lower than the surrounding air pressure, and promote the circulation of air to the center of the HEPA filter 3, thereby further increasing the filtering speed of the air on the HEPA filter 3, so that the HEPA filter 3 can eliminate fine particles in the air. Filtration is more thorough.

Wherein, the convex surface is a surface composed of a plurality of exhaust fans 2 connected together, and is not a solid structure.

The characteristic of HEPA filter 3 is that the air can pass through, but the fine particles in the air cannot pass through, but for the dirt in the air whose diameter is larger than the predetermined limit, such as dust visible to the naked eye, the filtering effect is not good, so in order to improve the air The filter effect of the purifier on pollutants of various sizes, as a preferred embodiment, as shown in Figure 4, the air purifier also includes:

The dust isolation filter screen 4 that is arranged between described exhaust fan 2 and described HEPA filter screen 3; The dust in the air is filtered out to achieve the effect of filtering dust and cleaning the air. At the same time, the dust is filtered out before the air is blown into the HEPA filter 3, which can prevent the HEPA filter 3 from being contaminated by excessive dust and dirt. There is a risk that the filtering effect will decrease.

At the same time, the dust isolation filter 4 and the HEPA filter 3 are respectively bonded to the purifier body 101 or fixed by screws. By bonding the dust isolation filter screen 4 and the HEPA filter screen 3 to the purifier body 101 respectively or fixing them by screws, the dust isolation filter screen 4 and the HEPA filter screen 3 can be easily removed, further facilitating the dust isolation filter screen 4 Clean up with the HEPA filter screen 3 to improve the reuse rate of the filter screen.

In order to increase the negative ion content in the air and improve the comfort of the human body, as a preferred embodiment, as shown in Figure 5, the air purifier also includes:

The negative ion silica gel layer 5 that is arranged between the HEPA filter screen 3 and the exhaust surface 103 of the casing and is connected with the purifier body 101;

The four corners of the negative ion silica gel layer 5 are provided with humidifiers 6 , and the humidifiers 6 are fixed to the purifier body 101 .

Negative ion silica gel is a silica gel material that can release negative ions and far infrared rays. Negative ion silica gel contains some hydrates and is easily ionized to generate more negative oxygen ions, thereby increasing the content of negative oxygen ions in the air and achieving the purpose of oxygen therapy. At the same time, humidifiers 6 are set at the four corners of the anion silica gel layer 5, and the anion silica gel is easily combined with water molecules in an environment with high humidity to produce anion water, increase the humidity in the air, and further promote the ionization of negative oxygen ions in the air. Speed, increase the content of negative oxygen ions in the air.

In order to further improve the purification effect of the air, as shown in Figure 6, in addition to the various structures provided in the above-mentioned embodiments, the air cleaner also includes: disposed between the ionic silica gel layer and the exhaust surface 103 of the casing, And the hydrophilic filter material layer 7 that is connected with the purifier body 101; by setting the hydrophilic filter material layer 7 between the anion silica gel layer 5 and the casing exhaust surface 103, it is possible to filter the air released by the humidifier 6 Excess moisture can improve the filtering effect on moisture, and can stick pollutants such as dust in the air to the hydrophilic filter material layer 7 to improve the purification effect on air.

The activated carbon material layer 8 is arranged between the hydrophilic filter material layer 7 and the casing exhaust surface 103 and connected with the purifier body 101 . Activated carbon material layer 8, as a desiccant, can further filter out the moisture in the air, adjust the indoor air humidity, and reduce the moisture content in the hydrophilic filter material layer 7, and simultaneously achieve the adsorption of ammonia, formaldehyde, benzene, toluene in the indoor And other toxic and harmful chemical gases such as volatile organic compounds, to achieve the effect of sterilization and disinfection.

In order to prevent the outside dust from entering the air purifier when the air purifier is not working, as shown in FIG. 7 , the casing air intake surface 102 and the casing exhaust surface 103 include: Horizontal rotation connecting rod 1002, connecting rod driving device 1003 and driving motor 1004; wherein,

Among the plurality of louvers 1001, each of the louvers is connected to the purifier body 101 through a horizontally rotating connecting rod 1002; connected, when the air cleaner is turned on, the louvers 1001 of the air intake surface 102 and the exhaust surface 103 of the casing are opened, that is, the air can enter, and at the same time, the swing angle of the louvers 1001 of the exhaust surface 103 of the casing can be adjusted. And the swing speed, that is, the blowing angle and amplitude of the air blown out by the purifier can be adjusted; The boards 1001 are superimposed on each other, so as to block the entry of external dust and prevent the external dust from affecting the sensitivity of the structure of the air purifier.

The lateral rotation connecting rod 1002 is electrically connected to the connecting rod driving device 1003;

The connecting rod driving device 1003 is electrically connected with the driving motor 1004 .

Wherein, the connecting rod driving device 1003 includes structures such as gears and rotating shafts. By being connected with the driving motor 1004, the connecting rod driving device 1003 can be driven by the driving motor 1004, thereby adjusting the rotation angle and swing of the laterally rotating connecting rod 1002. Speed, to achieve the purpose of adjusting the blowing angle and blowing range of the air.

At the same time, in order to refresh the indoor environment, as an embodiment, as shown in FIG. 8 , the air purifier further includes: a freshener nozzle 9 arranged between the HEPA filter 3 and the exhaust surface 103 of the casing. By arranging the freshener nozzle 9 between the HEPA filter 3 and the exhaust surface 103 of the casing, the air freshener is sprayed and blown out by the exhaust fan 2, which can adjust the freshness of the indoor air and reduce the discomfort caused by indoor odors.

In order to reduce foreign matter such as dust in the air, preferably, as shown in FIG. 9 , the air cleaner also includes: The electrostatic adsorption electrode array 10, the electrostatic adsorption electrode array 10 is perpendicular to the air flow direction. By setting the electrostatic adsorption electrode array 10 on the purifier body 101 between the HEPA filter screen 3 and the exhaust surface 103 of the cabinet, the dust and gas in the dusty air can be separated by using the electric field generated by the electrostatic adsorption electrode array 10 , so as to filter out the dust in the air and improve the purification effect of indoor air.

Among them, the electrostatic adsorption electrode arrays 10 are respectively arranged on the purifier body 101, and are perpendicular to the air flow direction. When the air is blown vertically, the dust in the air will be adsorbed by the electrostatic adsorption electrodes of the purifier body 101, so that the air The purifier blows out clean air.

Preferably, as shown in FIG. 10 , the air cleaner further includes: an air chamber 11 disposed between the HEPA filter 3 and the exhaust surface 103 of the casing; The wire 12 is used for heating the air filtered by the HEPA filter 3 .

By arranging the heating wire 12 in the air chamber 11, heating the air filtered by the HEPA filter screen 3 can provide warm air for the room and improve the ambient temperature in the room. At the same time, by arranging the heating wire, the moisture in the air cleaner can be removed Drying is carried out, and as the air is blown out into the room, the indoor air humidity is increased.

Through the above working process, it can be concluded that the air purifier provided by the utility model, by setting the HEPA filter screen 3 to spiral to the center of the filter screen in a vortex shape, saves the air purifier compared with the multi-layer filter screen in the background technology. The volume makes the air purifier more compact. At the same time, the helical direction of the HEPA filter 3 is the same as the air rotation direction of the exhaust fan 2, which will not block the circulation of air and promote the purification efficiency of indoor air.

Each embodiment in this specification is described in a progressive manner, the same and similar parts of each embodiment can be referred to each other, and each embodiment focuses on the differences from other embodiments.

The embodiments of the utility model described above do not constitute a limitation to the protection scope of the utility model. Any modification, equivalent replacement and improvement made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. An air purifier, comprising: the air purifier comprises a purifier shell (1), an exhaust fan (2) and a high-efficiency air filtration HEPA filter screen (3); wherein,

the purifier shell (1) comprises a purifier body (101), and a shell air inlet surface (102) and a shell air outlet surface (103) which are respectively connected with the purifier body (101) and are oppositely arranged;

the exhaust fan (2) is arranged between the air inlet surface (102) of the machine shell and the HEPA filter screen (3);

the HEPA filter screen (3) is arranged between the exhaust fan (2) and the shell exhaust surface (103);

HEPA filter screen (3) are swirl form to filter screen center spiral, the spiral direction of HEPA filter screen (3) with the air direction of rotation of exhaust fan (2) is corresponding.

2. The air purifier as claimed in claim 1, wherein the HEPA filter screen (3) has a plurality of, the exhaust fan (2) is a plurality of exhaust fans arranged on the same plane, the exhaust fan (2) corresponds to the HEPA filter screen (3) one by one, and is arranged in parallel with the HEPA filter screen (3).

3. The air cleaner according to claim 1, wherein the number of the HEPA filter (3) is one, the exhaust fan (2) is plural, the exhaust fan (2) is arranged on a convex surface, a center of the convex surface is convex toward the HEPA filter (3), and an exhaust angle of the exhaust fan (2) is inclined toward the center of the convex surface.

4. The air purifier of claim 1, further comprising:

a dust isolation screen (4) disposed between the exhaust fan (2) and the HEPA screen (3);

the dust isolation filter screen (4) is adhered to the purifier body (101) or fixed through a screw.

5. The air purifier of claim 1, further comprising:

the negative ion silica gel layer (5) is arranged between the HEPA filter screen (3) and the shell exhaust surface (103) and is connected with the purifier body (101);

humidifiers (6) are arranged at four corners of the anion silica gel layer (5), and the humidifiers (6) are fixed with the purifier body (101).

6. The air purifier of claim 5, further comprising:

the hydrophilic filter material layer (7) is arranged between the anion silica gel layer (5) and the exhaust surface (103) of the machine shell and is connected with the purifier body (101);

and the activated carbon material layer (8) is arranged between the hydrophilic filter material layer (7) and the exhaust surface (103) of the machine shell and is connected with the purifier body (101).

7. The air purifier of claim 1, wherein the cabinet air intake surface (102) and the cabinet air exhaust surface (103) each comprise: a plurality of louver boards (1001), a transverse rotating connecting rod (1002), a connecting rod driving device (1003) and a driving motor (1004); wherein,

each louver board in the plurality of louver boards (1001) is rotatably connected with the purifier body (101) through the transverse rotating connecting rod (1002);

the transverse rotating connecting rod (1002) is electrically connected with the connecting rod driving device (1003);

the connecting rod driving device (1003) is electrically connected with the driving motor (1004).

8. The air purifier of claim 1, further comprising:

set up in HEPA filter screen (3) with freshener shower nozzle (9) between casing exhaust face (103), freshener shower nozzle (9) are fixed in on clarifier fuselage (101).

9. The air purifier of claim 1, further comprising:

set up in HEPA filter screen (3) with electrostatic absorption electrode array (10) of clarifier fuselage (101) between casing exhaust face (103), electrostatic absorption electrode array (10) are mutually perpendicular with the air flow direction.

10. The air purifier of claim 1, further comprising:

the air accommodating cavity (11) is arranged between the HEPA filter screen (3) and the shell exhaust surface (103);

and an electric heating wire (12) is arranged in the air containing cavity (11) and is used for heating the air filtered by the HEPA filter screen (3).