KR102522050B1 - sterile air purifier - Google Patents

Abstract

The present invention relates to an air purifier with a sterilization function and, more specifically, to an air purifier with a sterilization function which can use a filter and a photocatalyst dually to remove foreign substances, perform a sterilization and deodorization action, and extend the time during which air and the photocatalyst come in contact with each other to increase the sterilization and deodorization effect and reduce maintenance costs. To achieve the objective, the air purifier with a sterilization function comprises: a main body; a filter formed on a lower portion of the main body to be installed on an inlet part introducing air; a discharge part formed on an upper portion of the main body to discharge air; and a sterilization part formed in the main body. The sterilization part consists of a moving path moving the air introduced through the inlet part in a specific direction, a frame installed on an upper portion of the moving path, a photocatalyst member installed on the frame, and a light source part installed between the moving path and the frame to emit ultraviolet light to the photocatalyst member.

Description

Air purifier with sterilization function {sterile air purifier}

The present invention relates to an air purifier with a sterilization function, and more particularly, by using a double filter and a photocatalyst, it can perform sterilization and deodorization as well as removal of foreign substances, and sterilization by prolonging the contact time between air and photocatalyst and an air purifier having a sterilization function capable of increasing a deodorizing effect and reducing maintenance costs.

In general, an air purifier is a device that purifies indoor polluted air into clean air. In recent years, as health is very important, it is widely installed and used in most homes and offices as well as public places.

In general, an air purifier includes a body having a flow path, a fan formed at one end of the flow path of the body to introduce external air, and a filter for removing dust and harmful bacteria present in the air forcedly introduced by the fan. It consists largely of members.

As the filter member used in such an air purifier, a mechanical filter for dust collection using malt frene or glass fiber, a high-performance filter for dust collection using the glass fiber and cellulose fiber, and a deodorization filter using activated carbon, a photochemical reaction Photocatalyst filters capable of sterilizing and deodorizing harmful bacteria in the air have been developed and used.

In particular, the photochemical reaction using a photocatalyst completely decomposes and transforms various types of harmful substances in air and aqueous solutions into harmless substances, and the photochemical reaction using such a photocatalyst has a longer lifespan than conventional filters, thereby reducing maintenance costs. be able to

In addition, titanium dioxide, which is widely used as a photocatalyst, is a harmless material to the human body and can be widely used in general life. Research on treating environmental pollutants through photochemical reactions using titanium dioxide photocatalysts has been actively conducted.

As an example of an air purifier using such a photocatalyst, a technique described in Korean Public Office No. 20-2008-0003197 (published on Aug. 8, 2008) as shown in FIGS. 1 and 2 has been proposed, the technical characteristics of which are opening (31) formed body (30) and; a filter member 70 fixed to the opening 31; a blowing member 50 installed in the body 30 to blow outside air to the opening 31; It is configured to include an ultraviolet lamp 90 for irradiating ultraviolet rays to the inner surface of the filter member 70, and the filter member 70 includes a bead layer formed by combining a plurality of beads to form fine pores, and a bead layer formed by combining a plurality of beads. It is characterized in that it consists of a photocatalyst layer formed on.

By the way, the technology described in Korean Public Utility No. 20-2008-0003197 (published on Aug. 8, 2008) uses a photocatalyst to enhance deodorization and sterilization effects, but since the photocatalyst is integrally formed with the filter member 70 It is difficult to activate the photocatalyst due to foreign substances attached to the filter member 70, and deodorization and sterilization effects may be reduced. Since the photocatalyst must also be replaced according to the filter replacement cycle, considerable maintenance costs are required.

Korean Public Utility No. 20-2008-0003197 (2008.08.08. Public)

The present invention has been made to solve the above problems, and an object of the present invention is to provide an external filter for firstly filtering large foreign substances and an internal filter for secondarily filtering fine foreign substances at the lower part of the main body through which external air is introduced. To provide an air purifier with a sterilization function that can more completely filter out foreign substances, and can completely sterilize and remove even organic substances including bacteria and viruses by forming a sterilization unit using a photocatalyst in the center of the main body. .

Another object of the present invention is to make the photocatalyst member have a block shape in which a plurality of micro-holes are formed while allowing all the air introduced from the outside to pass through the sterilization unit, thereby lengthening the contact time of the air with the photocatalyst member to deodorize and sterilize An air purifier with a sterilization function that can increase the effect and reduce maintenance costs by inserting a plurality of block-shaped photocatalyst members into one slot formed in the sterilization unit to replace only photocatalyst members whose lifespan has expired is to provide

The present invention to solve these problems;

It is characterized in that it comprises a main body, a filter installed in the inlet formed in the lower part of the main body and installed in the inlet through which air is introduced, an outlet formed in the upper part of the main body through which air is discharged, and a sterilization part formed in the inside of the main body. to be

Here, the sterilization unit is installed between a moving path for moving the air introduced through the inlet in a specific direction, a frame installed on top of the moving path, a photocatalyst member installed on the frame, and between the moving path and the frame. It is characterized in that it consists of a light source unit for irradiating ultraviolet rays to the photocatalyst member.

And, the frame is composed of a ventilation hole formed to move air in the center but having a narrower width than the moving path, and a blocking plate installed on both sides of the ventilation hole, and the photocatalyst member is installed in the ventilation hole. do.

At this time, a slot is formed along the longitudinal direction of the ventilation hole, and the photocatalyst member is formed in a block shape in which fine through holes are formed in the vertical direction, and a plurality of photocatalyst members are sequentially inserted into the slot.

Here, a spacer member is formed on both sides of the upper end of the moving path so as to protrude upward, and a first bent piece bent outward is formed on the upper end of the spacer member, and on both sides of the lower portion of the frame to correspond to the first bent piece. A second bent piece bent outward is formed, the first and second bent pieces are coupled by screwing, and the light source is characterized in that it is installed in a spaced space formed between the spacer members.

On the other hand, the inlet is formed on both sides and the rear side of the inlet through which external air is introduced, and filter guides are installed on the upper and lower parts of the inlet, and an external filter for first filtering out large foreign substances is coupled to the inside of the inlet. It is characterized in that a hollow internal filter for filtering out fine foreign substances is installed secondarily.

Here, a wheel is installed on the edge of the lower surface of the main body, and between the wheels, a stopping member composed of a vertically movable bolt and a support installed at the lower end of the bolt to support the floor is installed.

In addition, the discharge unit is characterized in that it consists of a discharge port formed on the side to discharge the purified air, and a discharge guide member installed on the inner upper surface so that the center is convex downward to guide the purified air toward the discharge port.

According to the present invention having the above configuration, an external filter for firstly filtering large foreign substances and an internal filter for secondarily filtering fine foreign substances are provided at the lower part of the main body through which external air is introduced, so that foreign substances can be more completely filtered. , By forming a sterilization part using a photocatalyst in the center of the body, there is an effect of completely sterilizing and removing even organic substances including bacteria and viruses.

In addition, the present invention allows all air introduced from the outside to pass through the sterilization unit and configures the photocatalyst member in a block shape in which a plurality of fine holes are formed, thereby increasing the deodorization and sterilization effect by lengthening the contact time of the air with the photocatalyst member. In addition, there is an effect of reducing maintenance costs by inserting a plurality of block-shaped photocatalyst members into one slot formed in the sterilization unit to replace only photocatalyst members whose lifespan has expired.

1 is a perspective view of a conventional air purifier having a sterilization function.
2 is a cross-sectional view of a conventional air purifier having a sterilization function.
3 is a perspective view of an air purifier having a sterilization function according to the present invention.
4 is an exploded perspective view of an air purifier having a sterilization function according to the present invention.
5 is a rear view of the air purifier having a sterilization function according to the present invention in a state where the cover is separated.
6 is an exploded perspective view of a sterilization unit of an air purifier having a sterilization function according to the present invention.
7 is a perspective view of a photocatalyst member of an air purifier having a sterilization function according to the present invention.
8 is a conceptual diagram of a filter of an air purifier having a sterilization function according to the present invention.
9 is a perspective view of a substrate of an air purifier having a sterilization function according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings. The same reference numerals are used for the same components in the drawings, and redundant descriptions of the same components are omitted. And, it should be understood that the present invention may be embodied in many different forms and is not limited to the described embodiments.

3 is a perspective view of an air purifier having a sterilization function according to the present invention, FIG. 4 is an exploded perspective view of an air purifier having a sterilization function according to the present invention, and FIG. 5 is an air purifier having a sterilization function according to the present invention. 6 is an exploded perspective view of the sterilization unit of the air purifier having a sterilization function according to the present invention, and FIG. 7 is a photocatalyst member of the air purifier having a sterilization function according to the present invention. 8 is a conceptual view of a filter of an air purifier having a sterilization function according to the present invention, and FIG. 9 is a perspective view of a substrate of the air purifier having a sterilization function according to the present invention.

The present invention relates to an air purifier having a sterilization function, and as shown in FIGS. It consists of a filter installed in the unit 200 and the inlet 200 to filter out foreign substances contained in the introduced air, and a discharge unit 300 formed on the upper part of the main body 100 to discharge purified air.

Here, a sterilization unit 400 is installed inside the body 100 to sterilize and purify organic substances such as odor particles, bacteria, and viruses included in the air introduced through the inlet 200 .

At this time, a sirocco fan 170 is installed inside the main body 100 to be positioned above the sterilization unit 400, and air is blown through the inlet 200 by the suction force of the sirocco fan 170. It is stably introduced, and the air introduced in this way is purified through the discharge unit 300 and discharged to the outside.

Thus, foreign substances contained in the air can be filtered through the filter, and germs, viruses, and odors can be sterilized and purified through the sterilization unit 400.

In addition, a control panel 110 is installed on the front upper portion of the main body 100, and through the control panel 110, filtering, sterilization, and purification functions are controlled.

Here, the front cover 120 and the rear cover 130 are detachably installed on the outer front and rear parts of the main body 100, respectively. Through the 200, a through hole is formed so that air can be introduced.

At this time, the cover coupling member 140 is formed on the upper part and the center of both sides of the body 100 so as to protrude outward, and the ends of the front cover 120 and the rear cover 130 are formed on the cover coupling member 140. It is coupled with a screw connection so that it can be easily attached and detached as needed.

On the other hand, the sterilization unit 400 installed inside the main body 100 has a moving path 410 for moving the air introduced through the inlet 200 in a specific direction and an upper part of the moving path 410. It consists of a frame 420 installed on the frame 420 and a photocatalyst member 430 installed on the frame 420 .

Here, a light source unit 440 is further installed between the moving path 410 and the frame 420, and the light source unit 440 irradiates ultraviolet rays to the photocatalyst member 430 to remove odors, which are organic substances contained in the air, It oxidizes bacteria and viruses.

In addition, the frame 420 is made of a pipe, etc., and is composed of a ventilation hole 422 formed in the center to allow air to move in the vertical direction and blocking plates 424 installed on both sides of the ventilation hole 422.

Here, the photocatalyst member 430 is installed in the ventilation hole 422, and since the blocking plate 424 blocks the movement of air, air flows only in the direction of the photocatalyst member 430 installed in the ventilation hole 422. is moved so that the organic substances contained in the air are removed through oxidation by ultraviolet rays irradiated from the light source unit 440 .

Meanwhile, one vent 422 may be formed in the frame 420 depending on the size, or a plurality of vents 422 may be formed. The vent 422 has a slot 423 along the length direction. and the photocatalyst member 430 is inserted into the slot 423 in a sliding manner.

Here, the photocatalyst member 430 is formed in a block shape having a predetermined thickness, and fine through holes are formed in the vertical direction in the photocatalyst member 430 so that the air introduced into the vent 422 passes through the fine through holes. through to the top.

Therefore, since the air moves through the micro-holes, the contact time between the air and the photocatalyst member 430 becomes longer, and organic substances contained in the air are more completely decomposed into carbon dioxide and water through a photocatalytic oxidation reaction.

At this time, since the photocatalyst member 430 is formed in a block shape, a plurality of photocatalyst members 430 are sequentially inserted and installed into one slot 423 formed in the vent 422. When the lifetime of the photocatalyst member 430 is over, it is possible to reduce maintenance costs by replacing only the photocatalyst member 430 whose lifespan has expired without replacing the entire photocatalyst member 430 .

In addition, the moving path 410 is formed in a hollow shape to guide the air introduced through the inlet 200 toward the photocatalyst member 430, and both sides of the upper part of the moving path 410 protrude upward. A spacer member 412 is formed so as to be formed, and a first bent piece 414 is formed at an upper end of the spacer member 412 so as to be bent outward.

Here, on both sides of the lower portion of the frame 420, the second bent piece 426 is formed to be bent outward to correspond to the first bent piece 414, and the first bent piece 414 and the second bent piece 414 are bent outward. After the pieces 426 are placed in contact with each other, the frame 420 is firmly fixed to the upper part of the moving path 410 by being coupled with screws.

On the other hand, a separation space spaced apart from the lower part of the frame 420 is formed between the separation members 412, and the light source unit 440 is installed in the separation space, and the photocatalyst member 430 installed on the frame 420 ) is irradiated with UV light.

Here, the light source unit 440 is composed of an LED 444 and a substrate 442 on which the LED 444 is installed, and both ends of the substrate 442 are upper ends of the moving path 410 forming the separation space. As shown in FIG. 9, the wire fixture 443 for inserting and fixing the wire is formed to be bent in a groove shape on one side so that the wire connected to the board 442 is firmly fixed so that it does not shake arbitrarily. do.

At this time, the substrate 442 is installed under the vent 422 of the frame 420, and a plurality of cutouts (not shown) are formed in the longitudinal direction in the substrate 442 to move the path 410 Minimize the resistance of the air moving through the air to move to the ventilation hole 422.

In addition, a sterilization cover 450 covering the side of the spaced space and the frame 420 is further installed on one side of the sterilization unit 400, so that air leaks to the outside through the gap between the spaced space and the frame 420. prevent it from becoming

Here, a third bent piece 452 is bent at the top of the sterilization cover 450, and the third bent piece 452 is screwed to the top of the frame 420, and the lower part of the sterilization cover 450 is It is screwed to the upper part of the moving path 410 to prevent leakage of air and to be separated when necessary.

In addition, external air is introduced into the inlet 200 formed at the lower part of the main body 100, and the inlet 200 has inlets 210 through which external air is introduced, formed on both sides and the rear side, Outside the inlet 210, an external filter 230 constituting the filter is detachably installed.

Here, 'a' and 'b' shaped filter guides 232 are formed at the top and bottom of the inlet 210, respectively, so that the external filter 230 is attached and detached in a sliding manner. is the primary filtering of relatively large foreign substances from the air introduced from the outside.

At this time, an internal filter 220 formed in a cylindrical or polygonal hollow shape is installed inside the inlet 200, and the internal filter 220 secondarily filters fine foreign substances from the primarily filtered air.

In this way, the air from which foreign substances are filtered through the external filter 230 and the internal filter 220 is moved to the sterilization unit 400 .

In addition, the internal filter 220 and the external filter 230 are composed of three layers as shown in FIG. 8, and the first layer installed in the direction in which air flows in is formed of a MB (Melt Brown) filter to finely It blocks dust.

Here, an antibacterial copper filter is formed in the second layer located in the center, and finally, the third layer located inside is made of activated carbon and absorbs odor particles or harmful gases contained in the introduced air.

At this time, when the activated carbon forming the third layer is used for a long time, there is a problem that the odor and soot adsorbed at the beginning can be discharged rather, and the fine dust collected from the MB filter forming the first layer meets with moisture to form mold. There are problems that can be formatted.

Therefore, in the present invention, by providing an antibacterial copper filter between the first layer and the third layer, it is possible to prevent the generation of fine dust or bacteria/mold filtered in the first layer, and the carbon constituting the activated carbon of the third layer (Carbon ), it is possible to stably decompose the components adsorbed on the filter, so that the performance of the filter can be further improved.

Meanwhile, wheels 150 are installed on the edges of the lower surface of the main body 100 to easily move the air purifier having a sterilization function according to the present invention, and in the center of the lower surface of the main body 100, the wheels 150 ) The stop member 160 is installed so as to be located between the.

Here, the stop member 160 is composed of a bolt part 162 screwed to be movable up and down on the lower surface of the main body 100 and a pedestal 164 fixed to the lower end of the bolt part 162.

At this time, the pedestal 164 is made of a material such as rubber or synthetic rubber, and when the bolt part 162 is rotated and moved downward, the pedestal 164 comes into contact with the floor and is moved to the main body 100 by the wheels 150. ) will reliably prevent random movement.

Therefore, by adjusting the stopping member 160, the air purifier having a sterilizing function of the present invention can be easily moved to a desired location, or it can be fixed to an installation location to prevent arbitrary movement.

In addition, the discharge part 300 formed on the upper part of the main body 100 discharges purified air to the outside by filtering out foreign substances and sterilizing bacteria and viruses by the sterilizing part 400 .

Here, an outlet 310 is formed on the side of the discharge unit 300 to discharge purified air, and a discharge guide member 320 is installed on the inner upper surface of the discharge unit 300 so that the center is convex downward. do.

Thus, the air purified from the inside of the body 100 moves upward, is changed in direction to the side by the discharge guide member 320, and is discharged to the outside through the outlet 310.

Although preferred embodiments of the present invention have been described above, the scope of the present invention is not limited thereto, and the spirit of the present invention extends to those within the scope substantially equivalent to the embodiments of the present invention. Various modifications and implementations are possible by those skilled in the art to which the present invention pertains within the scope that does not deviate from the above.

The present invention relates to an air purifier with a sterilization function, and more particularly, by using a double filter and a photocatalyst, it can perform sterilization and deodorization as well as removal of foreign substances, and sterilization by prolonging the contact time between air and photocatalyst and an air purifier having a sterilization function capable of increasing a deodorizing effect and reducing maintenance costs.

100: main body 110: control panel
120: front cover 130: rear cover
140: cover coupling member 150: wheel
160: stopping member 170: sirocco fan
200: inlet
210: inlet 220: internal filter
230: external filter 300: discharge unit
310: discharge port 320: discharge guide member
400: sterilization unit 410: moving unit
420: frame 430: photocatalyst member
440: light source

Claims (8)

A main body, a filter formed in the lower part of the main body and installed in an inlet through which air flows in, a discharge part formed in the upper part of the main body through which air is discharged, and a sterilization part formed in the inside of the main body,
The sterilization unit is installed between a moving path for moving the air introduced through the inlet in a specific direction, a frame installed above the moving path, a photocatalyst member installed on the frame, and between the moving path and the frame. It consists of a light source unit that irradiates ultraviolet rays as a photocatalyst member,
The frame includes a ventilation hole formed to move air in the center and having a narrower width than the passage, and blocking plates installed on both sides of the ventilation hole, and the photocatalyst member is installed in the ventilation hole,
A spacer member is formed on both sides of the upper end of the moving path so as to protrude upward, and a first bent piece bent outward is formed on the upper end of the spacer member, and on both sides of the lower portion of the frame, a first bent piece is formed to correspond to the first bent piece. A second bent piece to be bent is formed, and the first and second bent pieces are coupled by screwing,
The light source unit is installed in a spaced space formed between the spacer members, the light source unit is made of an LED and a substrate on which the LED is installed, and a wire fixture for inserting and fixing a wire is bent into a groove shape on one side of the substrate. Formed and firmly fixed so that the wire connected to the substrate does not shake arbitrarily,
A plurality of incisions are formed in the substrate in the longitudinal direction to minimize resistance of air moving through the passage,
An inlet through which external air is introduced is formed on both sides and a rear side of the inlet, and a filter guide is installed on the top and bottom of the inlet, and an external filter for primarily filtering out large foreign substances is slidably coupled. A hollow internal filter is installed to filter fine foreign substances into the car so that the air filtered out of foreign substances moves to the sterilization unit,
The external filter and the internal filter include a first layer made of MB (Melt Brown) filter for removing fine dust, a third layer made of activated carbon and adsorbing odor particles or harmful gases contained in the inflow air, and an antibacterial copper An air purifier with a sterilization function, characterized in that composed of a filter and a second layer positioned between the first layer and the third layer.
delete delete According to claim 1,
A slot is formed in the vent hole along the longitudinal direction,
The air purifier having a sterilization function, characterized in that the photocatalyst member is formed in a block shape in which fine through holes are formed in the vertical direction, and a plurality of them are sequentially inserted into the slot.
delete delete According to claim 1,
A wheel is installed on the lower edge of the main body,
An air purifier with a sterilization function, characterized in that between the wheels is installed a stop member consisting of a vertically movable bolt and a support installed at the lower end of the bolt to support the floor.
According to claim 1,
The outlet is formed on the side of the discharge port for discharging purified air;
An air purifier with a sterilization function, characterized in that it consists of a discharge guide member installed on the inner upper surface so that the center is convex downward to guide the purified air toward the discharge port.

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