KR101972274B1 - Non-power air purifier - Google Patents

Abstract

Disclosed is a non-powered air purifier employing a novel structure. According to the present invention, the non-powered air purifier has a compact size to be installed in a vehicle, requires a low manufacturing cost, and is capable of collecting dust without a power supply. According to an embodiment of the present invention, the non-powered air purifier includes a housing, a partition member, a partition-wall type mesh structure, and multiple electrostatic balls.

Description

{Non-power air purifier}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to a vehicle air cleaner driven by a power source.

Fine dust is a very small substance that is invisible to the naked eye. It is a substance that has a great influence on the human body because it is a particulate material having a diameter of 10 μm or less which is floated or scattered in the air.

The causes of fine dust vary. Some fine dusts occur naturally through forest fires and dusts. However, most are known to burn fossil fuels such as petroleum and coal, or air pollutants from automobile exhaust gases.

Fine dust particles usually include metals, nitrates, sulphates, tire rubber, soot, and the like. These foreign substances are absorbed into the lungs through the bronchi and are known to cause respiratory diseases. Typically, ultrafine dust and fine dusts cause pneumonia by neutralizing antibodies against bacterial pathogens. It is also absorbed into the blood vessels, causing stroke, heart disease, and so on. Heart disease and lung disease caused by soot are known to some extent. However, recent studies have shown that fine dust can damage the liver, spleen, central nervous system, brain, and even reproductive organs that are not directly associated with the respiratory tract.

In the case of a vehicle, fine dust, harmful substances, and dust generated inside the vehicle exist every time the window is opened. Some luxury vehicles are equipped with an air purification system.

Korean Patent Laid-Open No. 10-2005-0082314 proposes a technique of additionally providing a built-in air cleaner between the air conditioning unit of the vehicle and the air vent. The built-in air cleaner includes an antibacterial filter for removing dust and germs contained in the air, an ion shower for positively charging fine dust and soot contained in the air, and fine dust and soot charged in the air passing therethrough. An electric dust collecting plate for collecting dust, and an activated carbon filter for removing noxious gas and odor. Since the electrostatic filter method is based on the corona discharge, the dust collecting efficiency is good. However, there is a problem that a large amount of ozone is generated due to a problem of safety because a large amount of electric power is consumed and a high voltage is used.

In Korean Patent Laid-Open Publication No. 10-2016-0006478, a radiator provided at one side of a vehicle and a filter having a filter member formed in a front side of the cooling fan in a direction parallel to one another are arranged, So that pollutants such as dust contained in the outside air entering from the outside of the vehicle are filtered, and then the purified air is discharged outside the vehicle, thereby improving the quality of the air without any additional power source . However, by using a fibrous filter such as a nonwoven fabric like the above-described filter member, the pores are larger than the fine dust (for example, 10 mu m or less), so that dust collection is impossible and fine dust is accumulated in the filter to increase pressure loss and shorten the life There are disadvantages.

Furthermore, installation of such a device can improve the air quality inside the vehicle, but it is not easy to install publicly because it is expensive. In addition, the fine dust removal efficiency is low and the pressure loss is large. In addition, there is a problem in that the product is a one-time product which is incapable of washing definitively, so that periodic replacement is necessary and the cost is continuously consumed.

In addition, there are various indoor air pollution factors such as bus interior materials that emit pollutants in the room, activities of passengers and the surrounding air environment, and there are more fine dust particles than passenger cars. On the other hand, the air purification system of buses is still in a state of trouble from the viewpoint of cost.

Korean Patent Publication No. 10-2005-0082314, published on Aug. 23, 2005, a built-in air purifier Korean Patent Laid-Open Publication No. 10-2016-0006478, published on Jan. 01, 2016, an external dust collecting device for a vehicle equipped with a filter unit and a method of operating the same

In order to solve the above problems, the present invention has been carried out variously to manufacture an air cleaner which is easy to install and costly regardless of the type of vehicle, and as a result, And that the dust can be easily attached by the adhesive.

Therefore, a non-power source air cleaner with a new structure that can be installed regardless of the type of vehicle, can be installed in a small size, requires a low manufacturing cost, can collect dust in a non-power source and can be cleaned.

Accordingly, it is an object of the present invention to provide a non-powered air purifier for vehicles having the new structure.

In order to achieve the above object,

A housing having a frame and a mesh member mounted in the frame and having a plurality of through holes formed therein for air inflow and outflow; And

And a plurality of electrostatic balls accommodated in the housing and attached to the surface of the air introduced through the through holes of the mesh member to collect dust.

In addition,

A housing having a frame and a mesh member mounted on the inner surface of the frame and having a plurality of through holes formed therein for air inflow and outflow;

A partition member formed to vertically divide the internal space of the housing into multiple layers;

A plate-shaped mesh structure that is seated on the partition member and includes a frame corresponding to a cross-sectional shape of the housing, and a mesh plate having a plurality of through holes formed in the inner surface; And

And a plurality of electrostatic balls accommodated on the plate-shaped mesh structure and attached to the surface of the air introduced through the through holes of the mesh member and the mesh plate to collect dust.

In addition,

A housing having a frame and a mesh member mounted on the inner surface of the frame and having a plurality of through holes formed therein for air inflow and outflow;

A partition member formed to vertically divide the internal space of the housing into multiple layers;

A frame corresponding to the sectional shape of the housing, a bottom plate mounted on the inner surface, and a receiving groove formed on the bottom plate in a direction perpendicular to the partition plate to independently accommodate the electrostatic balls, Wherein the bottom plate and the partition wall structure have a plurality of through holes; And

And a plurality of electrostatic balls housed in the plate-like mesh structure and collecting dust on the surface of the air introduced through the through holes of the mesh member, the bottom plate, and the partition wall structure, Lt; / RTI >

The frame and the mesh member of the housing are integrally or separately formed.

The mesh member, the plate-like mesh structure, the bottom plate, and the partition structure may be formed of a material selected from the group consisting of 1,3- or 1,4-polyformaldehyde, ethylcellulose, polyamide, melamine, aluminum, iron, nickel, copper, And at least one material selected from the group consisting of

Wherein at least one of the mesh member, the plate-like mesh structure, the bottom plate, and the partition wall is formed with a through hole, and the through hole has a diameter of 50 탆 to 0.9 cm and has a circular, triangular, square, pentagonal, Or a polygonal shape.

In addition, the electrostatic balls include at least one material selected from the group consisting of polytetrafluoroethylene, polydimethylsiloxane, polyimide, polyethylene, polypropylene, and polystyrene.

In addition, the electrostatic balls are coated with at least one material selected from the group consisting of polytetrafluoroethylene, polydimethylsiloxane, polyimide, polyethylene, polypropylene, and polystyrene on the surface of the ceramic or metal core.

The electrostatic balls are spherical particles having an average particle diameter of 100 mu m to 1 cm.

The piezoelectric vibrator further includes a piezoelectric filter which is located on one side of the air cleaner and in which a plurality of piezoelectric fibers are formed in the vertical direction on the insulating layer.

INDUSTRIAL APPLICABILITY The non-powered air purifier for vehicles according to the present invention is manufactured in a compact size that can be used for portable purposes and requires a low manufacturing cost.

In addition, since dust can be collected by a non-power source, the air quality can be improved without any additional power source.

Particularly, after the lapse of a predetermined time, there is an advantage that the dust collecting state can be visually confirmed, then washed with water, dried, and used semi-permanently as reuse is used.

1 is a perspective view illustrating a non-powered air cleaner according to a first embodiment of the present invention;
2 is a schematic view of a housing;
FIG. 3 and FIG. 4 are schematic views for explaining air purification through dust collection using the non-powered air cleaner according to the first embodiment; FIG.
FIG. 5 is a perspective view illustrating a non-powered air cleaner according to a second embodiment of the present invention; FIG.
Fig. 6 is a three-dimensional sectional view of Fig. 5; Fig.
7 is a schematic view of a plate-shaped mesh structure.
FIG. 8 is a perspective view illustrating a non-powered air purifier according to a third embodiment of the present invention; FIG.
Fig. 9 is a cross-sectional perspective view of a partition-type mesh structure. Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numerals are used to designate the same or similar components throughout the drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, the definitions of these terms should be described based on the contents throughout this specification.

As used herein, the term " vehicle " includes both passenger cars, capping cars, camping trailers, buses, minibuses,

The term 'air' as used herein refers not only to the air containing dust which is discharged into the vehicle by the air existing in the vehicle in the outside air mode, the air in the signal or idling, or the operation of the air conditioner, If the vehicle stays in the air or stagnates, it means air containing dust and exhaust gas discharged from the vehicle running ahead when the vehicle is stopped and restarted.

The term " dust " referred to in this specification means not only natural factors but also a large amount of dust in the air due to exhaust gas, traffic, and industrial activities. (NO ₃ ^- ), ammonium (NH ₄ ⁺ ), sulphate (SO ₄ ^2- ), and so on, which are caused by transportation and industrial activities. And a carbon compound, a metal compound, a sulfur dioxide gas, a nitrogen oxide, lead, ozone, carbon monoxide and the like.

In addition, the dust includes dust, fine dust, ultrafine dust, and ultrafine dust in a conventional sense. The dust has a particle diameter of 100 to 10 nm. Fine particles are also called suspended particles, particulate matter, etc., and dust particles having a particle diameter of 10 탆 or less that float in the air for a long period of time. Fine dust is defined as a case where the particle size is 2.5 탆 or less.

The collection of fine dust particles depends on the particle size of the dust. When the particle size is large, it is easy to collect. However, when the size is small, the particles are agglomerated to increase the collection efficiency. One of the ways to increase the size of particles is to collide the particles with each other to coagulate them. At this time, by controlling the flow field, the particles are allowed to collide with each other, so that the particles can be easily collected.

In the present invention, dust is collected using static electricity, i.e., triboelectricity, by friction.

Triboelectricity is a phenomenon caused by friction energy generated between two materials. In general, an object has the same positive (+) and negative (-) charges and is electrically neutral. However, when two objects are brought into contact with each other or separated from each other, a charge is shifted at the interface, so that an excessive amount of positive charge and an excess amount of negative charge are generated in the object. Since dust exhibits most of the electric charges, when dust is present in the area of the triboelectric charge, dust adheres to the charged object as opposed to the respective electric charges.

Triboelectricity is caused by contact between two objects. The contact can be made in various ways. In the present invention, various vibrations occurring during traveling of the vehicle and wind (i.e., air) flowing into the automobile cause contact between two objects.

The greatest vibration in a car is a rigid body vibration that moves the entire vehicle to a rigid body. The rigid body vibration phenomenon of an automobile can be divided by pitching, rolling, and bouncing along three axes divided by the axis of motion of the engine. Pitching, rolling, and bouncing movements of the vehicle cause the vehicle to vibrate or oscillate when it passes through the unsealed roads and the joints of the roads.

In addition, there is idle vibration generated when idling the engine. The idling vibration is intermittently or continuously generated when idling the engine, and immediately disappears when the number of revolutions of the engine is increased.

When the vehicle runs on a road surface, the unevenness of the road surface vibrates the vehicle body, and the force acts as an excitation force. The excitation force is transmitted to the body, the seat, and the steering wheel by the suspension device, and a phenomenon in which each component swings vertically and horizontally is referred to as a shake. A shake vibrates continuously in a certain speed range when the vehicle is traveling at a high speed on a flat road. In a passenger car, a floor, a handle, an in-panel, a seat and the like vibrate up and down and left and right.

Also, a shimmy phenomenon occurs in which the steering wheel vibrates in the rotational direction or the steering wheel and the vehicle body simultaneously swing to the left and right during traveling of the vehicle. When a shim occurs, the vehicle body vibrates left and right with the vibration of the steering wheel, and the vibration generated becomes larger as the vehicle speed increases. This shimmy phenomenon is classified into a high - speed shim that occurs in a specific speed region and a low - speed shim that occurs when the vehicle travels at a high speed of 80 km / h or more, and braking when traveling.

The movement of the object is caused by various vibrations that occur during traveling or stopping the vehicle, and the objects come into contact with each other due to the movement, resulting in charging due to friction.

Accordingly, in the present invention, materials having different materials are selected so that charging can be caused by friction, a contamination source floating in the air is charged by the triboelectricity generated by the contact between them, It is attached to the opposing material to purify the air to remove the source of contamination.

FIG. 1 is a perspective view illustrating a non-powered air cleaner 10 according to a first embodiment of the present invention, and FIG. 2 is a schematic view of a housing.

Referring to FIG. 1, the non-powered air purifier 10 includes a housing 12 and a plurality of electrostatic balls 14 mounted therein.

2, the housing 12 includes a frame 11 constituting a skeleton and a mesh member 13 detachably coupled to the inner circumferential surface of the frame 11. As shown in Fig. The frame 11 and the mesh member 13 may be detachable using separate fastening members (not shown), or may be integrally formed if necessary.

The size of the housing 12 is such that it is easy to carry and is mounted in a room such as an automobile and has a height, a width, and a height of 10 cm to 15 cm, respectively.

The housing 12 may have various shapes such as a cylindrical shape, a conical shape, a rectangular parallelepiped shape, a cube shape, a polygonal shape, an irregular shape, or a character shape. For example, the present invention is shown in the form of a cuboid for the sake of convenience, but the present invention is not limited thereto.

As shown in Fig. 1, the mesh member 13 of the housing 12 in the shape of a cube has four side portions, six lower portions and six upper portions.

Each of the frames 11 is detachably and independently connected to each other so that only the broken mesh member 13 can be easily replaced and an appropriate size can be determined and exchanged according to the needs of the user.

2, the mesh member 13 constituting the housing 12 has a plurality of through holes H1. Outside air is introduced into the housing 12 through the through hole H1 and is discharged to the outside of the housing 12 through the through hole H1 after air purification.

The through hole H1 of the mesh member 13 can sufficiently inflow and outflow the air and has an appropriate size so that the user can visually confirm the internal state.

Preferably, the mesh member 13 has a through-hole H1 with a diameter of 50 to 0.9 cm, preferably 0.5 to 3 mm in diameter. If the size of the through hole H1 is less than the above range, the inflow and outflow of air are not smooth and it is difficult to purify the air. If the through hole H1 passes through the range, the air is moved at a high speed, It may cause problems, and it is appropriately adjusted and used within the above range.

The mesh member 13 may have a through hole H1 at the upper side and a smaller through hole H1 at the side portion for controlling inflow and outflow of air, The dust collecting efficiency is increased by varying the size of the dust H1.

The shape of the through hole H1 of the mesh member 13 may be circular, triangular, square, pentagonal, regular hexagonal or polygonal, and is not particularly limited in the present invention. At this time, the shapes of the through holes H1 of the mesh members 13 such as the side surface portion, the lower surface portion, and the upper surface portion may be variously changed in order to control the inflow and outflow of the air.

In addition, in the present invention, the mesh member 13 may be arranged so that the position of the mesh member 13 is offset from that of the side surface mesh member 13 so that a flow of air can form a vortex.

Further, if necessary, the mesh member 13 may be formed in a shape of a grill (not shown) for smooth movement of the air.

The electrostatic balls 14 are received in the housing 12 and collect dust on the surface of the air introduced through the through holes H1 of the mesh member 13. [

The electrostatic balls 14 may be spherical particles having an average particle diameter of 100 mu m to 1 cm, preferably 1 mm to 5 mm. It is preferable that the electrostatic balls 14 are filled in the housing 12 so that the electrostatic balls 14 can not escape through the through holes H1 of the mesh member 13 due to vibration of the vehicle.

As a method for increasing the dust collecting efficiency, a method of raising the specific surface area of the electrostatic balls 14 or increasing the filling rate can be used.

Thus, the electrostatic ball 14 may be in the form of a porous ball having pores. Further, two or more electrostatic balls 14 having different average particle diameters may be used for increasing the filling rate.

Also, two or more electrostatic balls 14 may be used instead of one material. At this time, the electrostatic balls 14 of different materials preferably use materials that can exhibit the same charge.

The number of the electrostatic balls 14 in the housing 12 varies depending on the volume of the housing 12. As the number of the electrostatic balls 14 increases, the dust collecting efficiency can be increased. However, when the electrostatic balls 14 are filled with too much electrostatic balls 14, the electrostatic bows 14 collide with each other, resulting in sparks due to (+) (+) impact, and the dust collecting efficiency may rather be lowered. Further, there arises a problem that the flow of air is not smooth.

Therefore, when a cube-shaped housing 12 having a width, a height and a height of 10 to 15 cm is designed, 5 to 50, preferably 10 to 25, electrostatic balls 14 of 1 to 5 mm are filled The most efficient dust collection can be achieved.

3 and 4 are schematic views for explaining air purification through dust collection using the non-powered air cleaner according to the first embodiment.

3, in the non-powered air purifier 10 installed in the vehicle, the electrostatic ball 14 is reciprocated vertically or irregularly by the vibration of the vehicle and the wind (or air) flowing into the interior of the vehicle. As a result of this movement, frictional force is generated in contact with the mesh member 13 of the housing 12 as shown in Fig. 4, and the electrostatic balls 14 and the mesh member 13 -) charge and (+) charge.

On the other hand, the dust is classified into neutral dust, (+) dust and (-) dust according to the charge state.

At this time, the dust in the air flowing through the through hole H1 of the mesh member 13 is adhered to a material having (+) electric charge and (-) electric charge, respectively. (+) Or (-) charge is generated due to (-) electric charge and (+) electric charge of the electrostatic ball 14 and the mesh member 13, respectively, The band is attached to the material.

In other words, when the mesh member 13 is made of aluminum and the electrostatic balls 14 are made of polytetrafluoroethylene (PTFE), the mesh member 13 is charged with (+) electric charge by these inter- The ball 14 is charged with (-) charge. (+) Electric charge is transferred to the electrostatic charge 14 side, and dust attached to the surface of the electrostatic charge 14 is adhered to the surface of the mesh member 13, (Black dot) is collected. Through this, the dust-removed air is again discharged to the outside of the housing 12 through the through hole H1 of the mesh member 13, and the air is cleaned.

Dust and fine dust are distributed in the air in large quantities in air as well as natural factors, such as traffic and industrial activities. Most of these dusts are polar and can be removed through the non-powered air cleaner 10 of the present invention.

Further, even in the particle size of the dust, the large fine dust particles are first dragged downward according to the gravity, and then attached to the side surface or the bottom of the electrostatic ball 14 or the mesh member 13. Smaller particles are attached to the side surface, upper portion or lower portion of the electrostatic ball or mesh member 13 by changing the movement path in accordance with the flow of air in the housing 12. In addition, the very small particles are attached to the electrostatic balls 14 or the fixed mesh member 13 which are similarly irregularly moved during Brownian motion irregularly moving regardless of the air flow.

According to the present invention, the material of the electrostatic balls 14 and the mesh member 13 to which dust is adhered can be any material that can generate (-) electric charge or (+) electric charge on the surface by contact. In this case, if the electrostatic balls 14 are made of a material which is charged with (-) electric charge, the mesh member 13 can be made of a material which is charged with (+) electric charge and conversely, the electrostatic ball 14 is charged with , The mesh member 13 is made of a material which is charged with (-) electric charge.

When rubbing two different objects, electrons get energy by friction, so electrons move from one object to another. Thus, when electrons are lost, electrons are charged with (+) electrons. When electrons are obtained, electrons are charged with (-) electrons.

The phenomenon in which an object is charged is referred to as charging, and the charged object is referred to as the entire bag. Also, the degree of charging is referred to as a charging heat, and the more charged the two objects far from the charging column, the better the charge is, and the kind of charge charged by the same object may be different depending on which object rubbing against the same object.

That is, an object is not charged by an unconditional (+) charge or a negative (-) charge, but may vary depending on which is more likely to become positive or which is more likely to be negative. The electrostatic balls 14 and the mesh member 13 of the present invention preferably have a high tendency of oppositely charging among various materials, and they are preferably positive (+) charge / (-) charge or negative charge / The charge is determined by a combination that can be generated more.

A material charged with a relatively positive charge tends to give up electrons when it comes into contact with other materials. In addition, materials that are relatively positively charged (-) tend to attract electrons when they are in contact with other materials.

Table 1 shows that the material has a charge property (i.e., a triboelectric series).

(+) Charge tendency (-) charge tendency (+) Tendency decreases toward the upper side 1,3- or 1,4-polyformaldehyde - (-) tendency increases with the downward direction Ethyl cellulose Polyester Polyamide 11 Polyisobutylene Polyamide 6-6 Polyurethane Melamine Polyethylene terephthalate fence Polyvinyl butyral silk Polychlorobutadene aluminum Natural rubber paper Polyacrylonitrile if Acrylonitrile-vinyl chloride iron Polybisphenol carbonate tree Polychloroether Cured rubber Polyvinylidene chloride Nickel, copper polystyrene sulfur Polyethylene Bronze, silver Polypropylene Rayon, acetate Polyimide Polymethyl methacrylate Polyvinyl chloride Polyvinyl alcohol Polydimethylsiloxane - Polytetrafluoroethylene

In Table 1, when 1,3- or 1,4-polyformaldehyde is contacted with polytetrafluoroethylene, 1,3- or 1,4-polyformaldehyde is most strongly charged with (+) charge , And polytetrafluoroethylene is most strongly charged with (-) charge.

Based on this tendency, the materials of the mesh member 13 and the electrostatic balls 14 of the non-powered air cleaner 10 of the present invention can be selected.

Preferably, the mesh member 13 may be a material exhibiting positive (+) charge, and the material of Table 1 may be 1,3- or 1,4-polyformaldehyde, ethylcellulose, polyamide, melamine, aluminum, Aluminum, iron, nickel, copper, bronze, and silver, most preferably aluminum and copper, which are preferably metal, may be used. These materials may be used alone or in combination of two or more. For example, the material of the mesh member 13 may be an anodized aluminum material.

The electrostatic ball 14 may be a material showing negative (-) charge, and it may be polytetrafluoroethylene, polydimethylsiloxane, polyimide, polyethylene, polypropylene or polystyrene among the materials of Table 1 Polytetrafluoroethylene, polydimethylsiloxane, polyethylene, polypropylene, and most preferably polytetrafluoroethylene are possible. These materials may be used alone or in combination of two or more.

A preferred combination is that the mesh member 13 is aluminum and copper, and the electrostatic balls 14 are polytetrafluoroethylene.

In addition, the mesh member 13 and the electrostatic balls 14 may be the opposite materials as mentioned above. That is, any material shown in Table 1 can be used as long as the mesh member 13 and the electrostatic balls 14 can exhibit opposite charges.

That is, the mesh member 13 may be a material representing negative electric charge, and the electrostatic balls 14 may be a material representing positive electric charge. A preferred combination here is that the mesh member 13 is polytetrafluoroethylene and the electrostatic balls 14 are aluminum and copper.

On the other hand, when the electrostatic balls 14 are made of a material such as polytetrafluoroethylene having a low specific gravity, the possibility of (-) charge is theoretically high. However, if the electrostatic balls 14 are made of small-sized particles, the possibility is lowered. That is, when the electrostatic ball 14 is manufactured in a small size, the electrostatic ball 14 should contact the mesh member 13 through the irregular movement by the vehicle vibration and the introduced air in the housing 12, Opportunity is reduced. Polytetrafluoroethylene has a specific gravity of 2.14 to 2.20 and a very low specific gravity as compared with a metal material such as iron (7.87). Thus, although the size of the electrostatic balls 14 can be increased in order to increase the specific gravity, the size of the electrostatic balls 14 is limited.

In the present invention, in order to increase the specific gravity of the electrostatic balls 14, a core is formed of a material having a high specific gravity, and the surface of the core is coated with a material that is charged with the negative charge.

Examples of the core material include ceramics or metals. Examples of the core material include alumina, silica, titania, zirconia, and clay, and metals such as iron, aluminum, copper, and stainless steel. At this time, the material to be coated on the core and the surface is selected in consideration of the average particle diameter of the electrostatic balls (14). Preferably, since the average particle diameter of the electrostatic balls 14 is 100 占 퐉 to 1 cm, and preferably 1 mm to 5 mm, the core may be 95 占 퐉 to 95 mm, preferably 0.9 mm to 4.5 mm, and the polytetrafluoroethylene May have a range of 5 to 5 mm, preferably 0.1 to 0.5 mm. If the size of the core is less than the above range, the weight increase effect can not be expected. If the core is too thick, the thickness of the polytetrafluoroethylene on the surface is relatively low, Use properly within the range.

In addition, the electrostatic ball 14 according to the present invention further includes a dielectric layer to increase the generation of static electricity, thereby further increasing the dust collecting efficiency. The dielectric layer may be used as a core or may be formed between the core and the surface.

The dielectric layer material for use as the core may be a metal oxide such as silica, alumina, zirconia, or hafnium oxide, or a polymer material such as polystyrene, polymethyl methacrylate, fluoropolymer, and polyvinyl alcohol.

Since the average particle diameter of the electrostatic balls 14 is 100 占 퐉 to 1 cm, preferably 1 mm to 5 mm, the core may be 95 占 퐉 to 95 mm, preferably 0.9 mm to 4.5 mm, the dielectric layer is 5 占 퐉 to 5 mm, And may have a range of 0.1 mm to 0.5 mm. If the thickness of the electrostatic bobbin 14 is less than the above range, improvement of the dust collecting efficiency depending on the fibers can not be expected. If the thickness is too large, the electrostatic charging efficiency of the electrostatic bobbin 14 itself may be lowered.

For example, the electrostatic balls 14 may be made of silica as the core material, polystyrene as the dielectric layer, and the surface may be polytetrafluoroethylene.

In addition, the electrostatic balls 14 according to the present invention may be in the form in which the fibers are attached to the surface, in order to increase the dust collecting efficiency. The fibers can be of a randomly interwoven tissue as well as regular fibers crossed at right angles to the tissue. This fiber tends to strongly adsorb dust, and dust stuck in the pores formed between the textures of the fibers can strongly collect dust. Moreover, the fibers are water-washable in nature, which facilitates the application of the water wash of the non-powered air cleaner of the present invention.

The usable fibers are not particularly limited in the present invention, and ordinary fibers, nonwoven fabrics, nano-fiber nonwoven fabrics and the like can be used. The fibers may be attached to the surface of the electrostatic balls 14 using a conventional bonding means or may be attached to the surface of the electrostatic balls 14 through a spinning process such as electrospinning.

The fibers adhering to the surface are formed within the size range of the electrostatic balls 14 and may be formed to a thickness of 50 탆 to 5 mm, preferably 0.1 mm to 0.5 mm. If the thickness of the electrostatic bobbin 14 is less than the above range, improvement of the dust collecting efficiency depending on the fibers can not be expected. If the thickness is too large, the electrostatic charging efficiency of the electrostatic bobbin 14 itself may be lowered.

In this case, the fibers can be applied when the electrostatic balls 14 are charged with a negative charge, and conversely, the mesh member 13 is charged with negative charges and the electrostatic balls 14 are charged with positive charges It is possible to apply the material to the mesh member 13. FIG.

FIG. 5 is a perspective view showing a non-powered air cleaner according to a second embodiment of the present invention, FIG. 6 is a three-dimensional sectional view thereof, and FIG. 7 is a schematic view of a plate-like mesh structure.

5 and 6, the non-powered air purifier 10 according to the second embodiment includes a frame 21, and a plurality of through holes H2 for loading and discharging air, A housing 22 having a formed mesh member 23 and a plurality of electrostatic balls 24 housed therein.

The housing 22, the frame 21 and the mesh member 23 follow what is mentioned in the first embodiment.

The non-powered air purifier 20 implemented as the second embodiment can increase dust collecting efficiency by mounting the electrostatic balls 24 on the entire upper and lower parts of the housing 22. [

The dust present in the upper portion of the housing 22 reduces the chance of contact with the electrostatic balls 24 when the electrostatic balls 24 are randomly installed in the housing 22 as in the first embodiment. That is, even if the electrostatic ball 24 performs the up-and-down motion due to the vibration of the vehicle and the incoming wind, it does not continuously exist up to the inside of the housing 22. When the particle size of the dust particles is large, it is easy to come into contact with the electrostatic balls 24 by gravity and floats in the upper part of the housing 22 when the particle size is small. Opportunities are relatively small. As shown in FIG. 5, the electrostatic balls 24 may be disposed in the up and down direction so that the electrostatic balls 24 can be disposed over the entire housing 22.

Specifically, in the non-powered air cleaner 20 according to the second embodiment, the partition member 31 for vertically dividing the internal space of the housing 22 into multiple layers is formed, and a plurality of plate- And a plurality of electrostatic balls 24 are placed on the mesh structure 30 so that the electrostatic balls 24 can be arranged over the entire upper and lower portions of the housing 22. [

The partition member 31 is not limited to any particular shape as long as it can vertically divide the inside of the housing 22 into multiple layers, and is not particularly limited in the present invention.

For example, as shown in FIG. 3, the partition member 31 may be a guide slot having a horizontal slide groove formed inside the housing 22. The plurality of plate-shaped mesh structures 30 can slide and be seated through the guide slots.

The partition member 31 may be an insertion protrusion (not shown) formed in a horizontal direction on one side of the frame 21. [ The insertion protrusions are fastened to the insertion groove portions provided in the plate-shaped mesh structure 30, so that the plurality of mesh structures 30 can be installed inside the housing.

A plurality of partition members 31 are provided in the vertical direction so as to be spaced apart from each other by a predetermined distance, which may vary depending on the size of the housing 22, and is not particularly limited in the present invention. Preferably, the partition members 31 are preferably installed at 2 to 5 in intervals of 3 to 5 cm in order to facilitate the inflow and outflow of air and improve the dust collecting efficiency. For example, as shown in FIGS. 5 and 6, three guide slots are formed at regular intervals.

A plurality of plate-like mesh structures 30 are inserted into the multi-layer divided areas by the partition member 31. [ As shown in FIG. 6, three plate-like mesh structures 30 are seated in the partition member 31 to divide the housing into multiple layers.

7 is a schematic diagram of the plate-like mesh structure 30.

7 includes a frame 33 corresponding to the cross-sectional shape of the housing 22 and a mesh plate 35 detachably coupled to the inner circumferential surface of the frame 33. The mesh- For example, in the case of the cuboid housing 22, the frame 33 and the mesh plate 35 may be formed in the shape of a cube, as shown in FIG.

The frame 33 of the plate-like mesh structure 30 and the mesh plate 35 can be manufactured integrally or separately.

The mesh plate 35 of the plate-shaped mesh structure 30 has a plurality of through holes H2 for air movement, and the structure of the through holes H2 may be circular, triangular, rectangular, pentagonal, And is not particularly limited in the present invention, and it can be manufactured by a honeycomb structure as shown in FIG.

The through hole H2 of the mesh plate 35 has a diameter of 90 占 퐉 to 0.9 cm, preferably 0.5 mm to 3 mm. If the size of the through hole H2 is less than the above range, the inflow and outflow of air is not smooth and it is difficult to purify the air. If the size exceeds the above range, the electrostatic ball 24 may escape. It should be adjusted within the range.

The thickness of the mesh plate 35 is 0.05 mm to 5 mm, preferably 0.1 mm to 3 mm. The thickness of the mesh plate 35 may vary depending on the material of the mesh plate 35. When the mesh plate 35 is made too thin, the mesh plate 35 may be bent or deformed depending on the lapse of time or temperature to be detached from the partition 31. Further, when the outer diameter of the non-powered air cleaner 20 is too thick, the weight of the non-powered air cleaner 20 may increase, or the housing 22 may be bent or deformed to be detached from the partition member 31.

At this time, the electrostatic balls 24 are inserted between the respective plate-shaped mesh structures 30 so that the electrostatic balls 24 can be accommodated in the empty space between the mesh structures 30. [

The material of the mesh plate 35 constituting the plate-like mesh structure 30 is preferably made of a material that can exhibit the same charge as the mesh member 23 of the housing 22. [ The electrostatic balls 24 received on the mesh plate 35 are not only brought into contact with the mesh plate 35 but also brought into contact with the mesh member 23 of the housing 22, Charged.

As a result, the dust in the air introduced into the housing 22 is adhered to the surface of the mesh member 23 of the housing 22, the mesh plate 35 of the plate-shaped mesh structure 30 or the electrostatic balls 24, The dust collecting efficiency of the filter can be further increased.

The dust collecting mechanism of the non-powered air cleaner 20 according to the second embodiment of the present invention is as follows.

First, the air is injected into the multi-layer divided region into the housing 22 and passes through the mesh plate 35 in the plate-shaped mesh structure 30 in which the electrostatic balls 24 are respectively installed. At this time, irregular movement of the electrostatic ball 24 occurs due to the vibration of the vehicle and the inflow air flow, and the contact between the electrostatic balls 24 and the mesh member 23 occurs, And the mesh member 23 are charged with (-) charge and (+) charge, respectively. The dust in the air is adhered to at least one surface of the electrostatic balls 24, the mesh plate 35 and the mesh member 23 depending on the state of charge thereof. Through the through-hole of the mesh member 23 of the first embodiment.

According to a preferred embodiment, the electrostatic balls 24 are polytetrafluoroethylene, and the mesh plates 35 and the mesh members 23 are made of aluminum or copper, and the electrostatic balls 24, (-) charge, and the mesh plate 35 and the mesh member 23 are charged with (+) charge. The air introduced into the housing 22 flows in and out through the through holes formed in the mesh plate 35 and the mesh member 23. The air moves freely in the housing 22 to increase the chance of contact between the dust in the air and the electrostatic balls 24, the mesh plate 35 and the mesh member 23, thereby increasing the dust collection rate.

In addition, since there are a plurality of mesh plates 35 in the vertical direction through the partition member 31, the distance between the electrostatic balls 24 and the mesh plate 35 is shortened. As a result, the contact opportunity between them increases, so that triboelectricity can easily occur and can be maintained continuously, which has the advantage of collecting a larger amount of dust.

Further, the electrostatic balls 24 can be filled more in the plate-shaped mesh structure 30 through the provision of the partitioning member 31, which also makes it possible to increase the dust collecting rate.

FIG. 8 is a perspective view showing a non-powered air cleaner 50 according to a third embodiment of the present invention, and FIG. 9 is a cross-sectional perspective view of a septum-shaped mesh structure.

8 and 9, the non-powered air purifier 50 according to the third embodiment includes a frame 51, and a mesh member 52 mounted in the frame 51 and having a plurality of through holes for air inflow and outflow, And a plurality of electrostatic balls 54 housed in the housing 52.

The housing 52, the frame 51 and the mesh member 53 follow what is mentioned in the first embodiment.

The non-powered air purifier 50 implemented in the third embodiment can solve the problem that the electrostatic balls 54 collide with each other by arranging the electrostatic balls 54 independently, thereby lowering the dust collecting efficiency. That is, if the electrostatic balls 54 are arranged at random, the electrostatic balls 54 collide with each other, sparks generated by the electrostatic balls 54 are generated, and the dust collecting efficiency is lowered. Therefore, when the electrostatic balls 54 are independently arranged, only one electrostatic ball 54 exists and is charged by being in contact with other materials in the vicinity, so that the charged state can be maintained.

Independent disposition of the electrostatic balls 54 can be achieved through structural changes of the mesh members accommodating the electrostatic balls 54.

9 is a cross-sectional perspective view of the septum-shaped mesh structure.

9, the septum-shaped mesh structure 60 for independently accommodating the electrostatic balls 54 includes a frame 61 corresponding to the cross-sectional shape of the housing 52, and various types of partition walls And the mesh structure can be any of the structures on which the electrostatic balls 54 can be disposed. In order to facilitate understanding, the size of the electrostatic balls 54 and the pores in the mesh structure are largely formed, and the electrostatic balls 54 are small in size from the pores in the mesh structure and are not separated from the pores.

Specifically, the septum-shaped mesh structure 60 has a frame 61 corresponding to the sectional shape of the housing 52, a bottom plate 63, a bottom plate 63, And a partition wall structure 65 formed with partition walls defining receiving grooves A for independently accommodating the partition walls 54. As shown in FIG.

The electrostatic balls 54 accommodated in the accommodating groove A are vertically formed along the outer circumferential surface of the accommodating groove A so as not to escape the accommodating groove A even by vibration.

The partition walls of the partition wall structure 65 have a height of 1.1 to 1.5 times the diameter of the electrostatic balls 54 and have a width and a length of 1.2 to 2.0 times. The electrostatic balls 54 must be smoothly moved so that the dust can be sufficiently collected by the electrostatic balls 54 in the receiving recesses A, and if the electrostatic balls 54 are too narrow, charging can be weakly generated and the dust collecting efficiency can not be sufficiently increased. On the contrary, the too large receiving groove A can not sufficiently increase the dust collecting efficiency of the dust because the number of the electrostatic balls 54 finally filled is reduced.

The shape of the receiving groove A of the partition wall structure 65 may be circular, triangular, square, pentagonal, regular hexagonal or polygonal, and is not particularly limited in the present invention.

The grid-like structure is a structure having a constant height and is capable of independently accommodating the electrostatic balls 54.

At this time, the bottom plate 63 and the partition wall structure 65 form a plurality of through holes H3 for smooth air flow.

For convenience, the through-holes are not shown in the partition structure 65, but substantially the partition structure 65 includes through-holes. At this time, the through holes are formed all over the side surfaces of the partition structure 65.

The structure of the through hole H3 may be circular, triangular, square, pentagonal, regular hexagonal or polygonal, and is not particularly limited in the present invention, and may be formed in a rectangular structure as shown in FIG.

The through-hole H3 has a diameter of 90 占 퐉 to 0.9 cm, preferably 0.5 mm to 3 mm. If the size of the through hole H3 is less than the above range, the inflow and outflow of air are not smooth and it is difficult for the air purification to be performed. If the size exceeds the above range, the electrostatic ball may escape. Use it properly.

When the plurality of barrier-type mesh structures 60 are installed in the housing 52, the barrier-type mesh structure 60 may be formed in such a manner that the intervals of the mesh structures 60 are increased or decreased. The movement in the receiving groove A can be prevented.

Further, the partition wall-like mesh structure 60 may be disposed so that the receiving grooves A are positioned at the same position in the vertical direction, or they may be staggered from each other.

The barrier-type mesh structure 60 is vertically divided into a plurality of pieces in the housing 52. At this time, the partition member (not shown) can be any of the forms that can vertically divide the inside of the housing 52 into multiple layers, and it is the same as that described in the second embodiment.

The material of the bottom plate 63 and the partition wall structure 65 in the septum-like mesh structure 60 may be the same material as the mesh member 53 of the housing 52.

The electrostatic balls 54 accommodated in the receiving grooves A of the septum-shaped mesh structure 60 are not only in contact with the septum structure 65 and the bottom plate 63 of the septum-shaped mesh structure 60, (-) charge or (+) charge by contact with the mesh member 53 of the electrode 52.

As a result, the dust in the air introduced into the housing 52 flows through the mesh member 53 of the housing 52, the electrostatic balls 54, the bottom plate 63 of the mesh structure 60 and the partition wall structure 65 The dust collecting efficiency can be further increased.

The dust collecting mechanism of the non-powered air cleaner 50 according to the third embodiment of the present invention is as follows.

First, the air is injected into the multi-layered region into the housing and the electrostatic balls 54 pass through the septum-shaped mesh structure 60 provided independently of each other. At this time, the dust in the air is adhered by the charge charged by the contact between the bottom plate 63 of each of the partition wall-like mesh structures 60 and the partition wall structure 65 and the electrostatic balls 54, Through the through hole of the mesh member (53) of the mesh member (52).

According to a preferred embodiment, the electrostatic balls 54 are polytetrafluoroethylene, the bottom plate 63 and the septum structures 65 and the mesh members 53 are made of aluminum or copper, The bottom plate 63 and the bank structure 65 and the mesh member 53 are charged with (+) electric charge, while the electrostatic balls 54 are charged with (-) electric charge. The air introduced into the housing 52 flows in and out through the through holes formed in the bottom plate 63, the partition structure 65, and the mesh member 53. The air moves freely in the housing 52 to increase the chance of contact between the dust in the air and the electrostatic balls 24 and the bottom plate 63 and the partition member 65 and the mesh member 53 to increase the dust collection rate .

Particularly, in the multilayer partitioning system as in the third embodiment, since the distance between the electrostatic balls 54 and the partition-type mesh structure 60 is relatively short, the frictional force due to the contact can easily be generated and maintained constantly, There is an advantage of collecting dust. In addition, by disposing the electrostatic balls 54 independently, there arises no problem such that the electrostatic balls 54 collide with each other and sparks are generated, and the dust collecting efficiency can be further increased.

Further, the electrostatic balls 54 can be filled more in the partition-type mesh structure 60 through the provision of the partition member 51, which also makes it possible to increase the dust collecting efficiency.

In addition, the non-powered air purifier of the present invention may further include a piezoelectric filter part at one end, preferably at the top.

Piezoelectric devices are devices that use the principle of converting vibration into electrical energy.

In the piezoelectric filter portion of the present invention, a plurality of piezoelectric fibers are formed in the vertical direction on the insulating layer.

It is preferable that the insulating layer is an insulating material which is an electrically non-conductive material and has excellent stretchability. The insulating layer may be a porous support, and may be a polymer having elasticity, but is not particularly limited to, but preferably polyurethane (PU), polyvinyl alcohol (PVA), silicone rubber, polystyrene butadiene copolymer (SBS) May include at least one polymer selected from the group consisting of isoprene copolymers (SIS), polystyrene ethylene butadiene block copolymers (SEBS) and polystyrene ethylene propylene block copolymers (SEPS), and more preferably, Polystyrene isoprene copolymer (SIS), and polystyrene ethylene butadiene block copolymer (SEBS).

The piezoelectric fiber may be a material exhibiting piezoelectric phenomena such as PVDF, PVDF-TrFE, PVDF-TrFE-CFE, PVDF-HFP, ZnO, and BaTiO _3. Preferably, PVDF is used.

The piezoelectric fiber may be a nanofiber having a diameter of 0.1 to 500 탆 and a length of 1 to 10 mm. When the diameter is less than the above range, it is difficult to manufacture. When the diameter exceeds 100 μm, sufficient piezoelectric effect can not be secured.

When the piezoelectric fiber is bent or bent by the vibration of the automobile, the arrangement of the dipoles moves and a potential difference is produced at the end of the fiber. Due to the potential difference thus generated, the piezoelectric fiber can attach the fine dust.

The non-power source air cleaner of the present invention further improves the dust collecting efficiency of dust in the air by further including such a piezoelectric filter portion.

The non-power source air purifier of the first to third embodiments of the present invention can easily wash the water after confirming the housing with the naked eye to check the amount of dust adhered to the electrostatic ball or the mesh member.

At this time, considering that the housing is made of a mesh member, the washing can be easily performed without water disassembly.

Further, the non-powered air purifier of the first to third embodiments of the present invention has a fixing member on the lower side of the housing for installation in a vehicle.

The fixing member may be a double-sided adhesive tape capable of washing with water. By using this fixing member, it is possible to fix the non-powered air purifier to one or more places such as a dashboard, a ceiling, and a floor of a vehicle.

The double-sided adhesive tape can be fixed to the vehicle again after the water washing of the non-powered air cleaner, allowing semi-permanent use.

Further, the non-powered air cleaners of the first to third embodiments may further include a vibration unit (not shown) capable of increasing the vibration of the non-powered air cleaner so as to increase the dust collecting efficiency.

The vibrating part may be a spring, and may be disposed at a lower end of the non-powered air purifier to be fixed to the vehicle using a fixing member, or to hang on the vehicle in a form connected to the fixing member.

The vibrating portion of the present invention is a spring. The vibrating part such as the spring performs vertical, left and right movement during traveling of the vehicle, and the upward, downward, leftward and rightward movement of the spring continues even when the vehicle stops and the vibration no longer occurs. That is, the vibration is generated for a long time until the spring stops, so that dust collection by the non-powered air cleaner can be continuously performed.

The springs include coil springs, leaf springs, leaf springs, cone springs, conical springs, and elongate springs. The coil spring generally refers to a spring known as a spring in which the coil spring has a circular or square shape in cross section. The leaf spring is one formed by superimposing a plurality of thin plates or trapezoidal plate members of different lengths, but is a zigzag continuous plate. The leaf spring means a spring in which a spring plate formed of a spring steel is formed into a bow shape. The cone spring means a cone-shaped spring, the conical spring means a cone-shaped spring, and the elongated spring means an elongated spring.

Preferably, the spring is selected in consideration of the size of the non-powered air cleaner. Preferably, the spring has a size of 0.5 cm to 3 cm in length and width, and one to four of the springs are installed according to the shape of the non-powered air cleaner. It is preferable to install one at the central portion.

As described above, since the present invention is easily installed in an automobile and uses electricity by contact or friction between two materials, not only excellent dust collection performance but also dust collection is performed in a non-power source, Can be reduced. Especially, it is expected that it will help to improve the health life of the user and improve the surrounding hygiene environment by easily washing after confirming the state of use with naked eyes.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

10, 20, 50: air cleaner
11, 21, 51: frame
12, 22, 52: housing
13, 23, 53: mesh member
14, 24, 54: electrostatic ball
30: Plate-like mesh structure
31: Frame
33: Mesh plate
60: Bulkhead mesh structure
61: frame
63: bottom plate
65:
H1, H2, H3: Through hole
A: receptacle groove

Claims (12)

A housing having a frame and a mesh member mounted on the inner surface of the frame and having a plurality of through holes formed therein for air inflow and outflow;
A partition member formed to vertically divide the internal space of the housing into multiple layers;
A partition wall-shaped mesh structure which is seated on the partition member and includes a frame corresponding to a cross-sectional shape of the housing, a bottom plate mounted on the inner surface, and a partition wall structure formed in a vertical direction to the bottom plate, Wherein the bottom plate and the partition structure have a plurality of through holes; And
And a plurality of electrostatic bobbles accommodated on the septum-shaped mesh structure and attached to the surface of the air introduced through the through holes of the mesh member, the bottom plate, and the septum-shaped mesh structure,
Wherein the material of the mesh member, the bottom plate, and the partition wall-shaped mesh structure is at least one material selected from the group consisting of aluminum, iron, nickel, copper, bronze, and silver, and the material of the electrostatic ball is polytetrafluoroethylene, poly At least one member selected from the group consisting of dimethylsiloxane, polyimide, polyethylene, polypropylene, and polystyrene,
The electrostatic balls are charged with (-) electric charges through friction between the electrostatic balls and the mesh members, the bottom plate, and the septum-shaped mesh structures by the vehicle vibration and the introduced air, and the mesh members, the bottom plate, The structure is charged with (+) electric charge, so that dust inside the vehicle can be collected by triboelectricity without power source,
Non - powered air cleaner for vehicles.
delete delete The method according to claim 1,
Wherein the frame of the housing and the mesh member are integrally or separately formed.
The method according to claim 1,
Wherein the electrostatic balls are coated with at least one material selected from the group consisting of polytetrafluoroethylene, polydimethylsiloxane, polyimide, polyethylene, polypropylene, and polystyrene on the surface of the ceramic or metal core, .
delete The method according to claim 1,
Wherein said electrostatic balls are spherical particles having an average particle diameter of 100 mu m to 1 cm.
The method according to claim 1,
Wherein the partition member is a guide slot or insertion protrusion provided in plural in the vertical direction of the housing.
delete delete The method according to claim 1,
The vehicle non-powered air purifier is water washable.
The method according to claim 1,
Further comprising a piezoelectric filter which is disposed on an upper portion of one side of the air cleaner and in which a plurality of piezoelectric fibers are formed in the vertical direction on the insulating layer.

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