KR102546452B1 - Air purifier with noise reduction flow path - Google Patents

Abstract

The present invention relates to an air purifier in which a noise reduction channel is formed.
An air purifier with a noise reduction flow path according to an embodiment of the present invention has a central frame having an open front side and an air intake space formed therein, extending from the left end of the center frame and having an open front side, and is connected to the air intake space. a main body comprising a left frame having a first flow path communicating therein; a blower disposed in the air intake space to suck in air from the outside and blow the air into the first and second flow passages; an air cleaning unit disposed at a front side of the air intake space and filtering out foreign substances, harmful gases, and fine particles included in the air sucked in from the outside by the blowing unit; a cover disposed at a front side of the air cleaning unit, mounted on the center frame, having a plurality of through holes, and covering the air cleaning unit; A first cover covering the front portion of the first flow path of the left frame and having a first discharge hole through which air passing through the first flow path is discharged, wherein the first flow path reduces noise generated from the blower. After that, it may be formed long to be discharged to the outside.

Description

Air purifier with noise reduction flow path {Air purifier with noise reduction flow path}

The present invention relates to an air purifier in which a noise reduction channel is formed.

Recently, as the importance of indoor air quality management has been highlighted due to the increase in fear of fine dust, viruses, and germs and the improvement of insulation performance of apartment houses, interest in improving indoor air quality through the application of various systems is becoming an issue.

In addition, according to the worldwide epidemic of viruses such as SARS, MERS, swine flu, and COVID19, antiviral systems for the purpose of managing indoor air quality and sterilizing distribution air in apartment houses and multi-use facilities are continuously being developed. .

In addition, the recirculation system by installing an antiviral module inside the existing ventilation system has a problem in that air quality and sterilization power are deteriorated as the duct is exposed to secondary pollution due to the transport length and construction level.

There is an air purifier as a device to solve this problem. An air purifier disposed indoors is a device that sucks in air through a fan, etc., passes the inhaled air through a filter, and then purifies the polluted air in the room and turns it into fresh air.

In such a conventional air purifier, there is Korean Patent Registration No. 10-2265915 'Indoor 　 Ceiling 　 Air Purifier'.

However, existing air purifiers, including the prior art, did not sufficiently secure the area of the exhaust passage, so that when the air blown from the exhaust fan passed through the exhaust passage, large flow resistance was generated. There was a problem that a large noise was generated due to a load.

In addition, existing air purifiers including the prior art had a problem in that noise generated from the exhaust fan leaked to the outside as the length of the exhaust passage was not sufficient.

Based on the technical background as described above, one embodiment of the present invention provides an air purifier with a noise reduction passage that can reduce noise by securing the area of the passage through which air is discharged and forming a long passage. want to do

In order to achieve the above object, an air purifier having a noise reduction passage according to an embodiment of the present invention includes a center frame having an open front side and an air intake space formed therein, and extending from the left end of the center frame, and extending from the front side of the center frame. a body formed of a left frame which is open and has a first flow path communicating with the air intake space; a blower disposed in the air intake space to suck in air from the outside and blow the air into the first passage; an air cleaning unit disposed at a front side of the air intake space and filtering out foreign substances, harmful gases, and fine particles included in the air sucked in from the outside by the blowing unit; a cover disposed at a front side of the air cleaning unit, mounted on the center frame, having a plurality of through holes, and covering the air cleaning unit; A first cover covering the front portion of the first flow path of the left frame and having a first discharge hole through which air passing through the first flow path is discharged, wherein the first flow path reduces noise generated from the blower. After that, it may be formed long to be discharged to the outside.

In addition, the main body includes a right frame extending from the right end of the center frame, a front side being open, and having a second flow path communicating with the air intake space, and covering the front surface of the second flow path of the right frame. A second cover having a second discharge hole through which air passing through the second passage is discharged may be included.

In addition, the first flow path includes an 11th flow path formed in a straight section with one end communicating with the lower side of the air intake space, and a vertical direction formed in the 11th flow path and one end connected to the other end of the 11th flow path. A 12th flow path communicated with, a 13th flow path formed in a horizontal direction with the 11th flow path and having one end communicating with the other end of the 12th flow path, and a 13th flow path formed vertically with the 11th flow path and having one end connected with the other end of the 12th flow path. A 14th flow path communicating with the other end of the and a 15th flow path formed in a horizontal direction to the 11th flow path, one end communicating with the other end of the 14th flow path and having a front side communicating with the first discharge hole. can

In addition, the portion between the 11th and 12th flow passages, the portion between the 12th and 13th flow passages, the portion between the 13th and 14th flow passages, and the 14th and 15th flow passages The interspace may be formed round to reduce air resistance.

In addition, the 11th flow path increases in width from one end to the other end, the 12th flow path increases in width from one end to the other end, and the 13th flow path increases in width from one end to the other end; The 14th flow path increases in width from one end to the other end, the 12th flow path is formed to have a greater width than the 11th flow path, and the 13th flow path is formed to have a greater width than the 12th flow path. The 14th passage may have a wider width than the 13th passage.

In addition, a sound absorbing material for absorbing noise may be provided on rear surfaces of the first cover and the second cover.

In addition, the air cleaning unit may include a detachable frame disposed at a front side of the air intake space and detachably installed to the center frame; and a composite filter unit fixed to the detachable frame and filtering out foreign substances, harmful gases, and fine particles included in the air sucked in from the outside by the blowing unit.

In addition, a UV-C module disposed on the front side of the air intake space and installed on the center frame may include a UV-C module for sterilizing the composite filter unit.

In addition, a fine dust sensor installed in the main body and measuring an external fine dust concentration; and a gas sensor installed on the body and detecting an external gas.

In addition, it may include a control unit installed in the main body and connected to the blower, UV-C module, fine dust sensor, and gas sensor, controlling the blower and the UV-C module, and indicating an operating state of the blower. .

An air purifier having a noise reduction passage according to an embodiment of the present invention has an effect of minimizing noise by preventing noise generated from the blowing unit from leaking to the outside since the first passage is formed long. In addition, since the first passage is formed in a structure in which the width gradually widens, the static pressure load is reduced, thereby minimizing noise.

In the air purifier having a noise reduction flow path according to an embodiment of the present invention, since the air blown by the blowing unit can be discharged through the first and second flow paths, the area of the flow path is secured to reduce the load on the blowing unit. It can be reduced, and there is an effect that can reduce noise.

The air purifier with a noise reduction channel according to an embodiment of the present invention can sterilize the composite filter unit through the UV-C module, thereby improving sterilization and air purification capabilities, and preventing damage due to secondary pollution. There is an effect.

Since the air purifier having a noise reduction passage according to an embodiment of the present invention has a simple structure, an operator can easily install it on an indoor ceiling, so that the installation work can be easily performed.

1 is a perspective view illustrating an air purifier having a noise reduction channel according to an embodiment of the present invention.
2 is a cross-sectional view of the center frame side of an air purifier having a noise reduction flow path according to an embodiment of the present invention.
3 is an exploded perspective view showing an air purifier having a noise reduction channel according to an embodiment of the present invention.
4 is a front view illustrating an air purifier having a noise reduction passage according to an embodiment of the present invention.
5 illustrates a main body of an air purifier having a noise reduction passage according to an embodiment of the present invention.
6 illustrates a first cover of an air purifier having a noise reduction channel according to an embodiment of the present invention.
7 illustrates a composite filter unit and a cover of an air purifier having a noise reduction passage according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, embodiments of the present invention will be described in detail so that those skilled in the art can easily carry out the present invention. This invention may be embodied in many different forms and is not limited to the embodiments set forth herein. In order to clearly describe the present invention in the drawings, parts irrelevant to the description are omitted, and the same reference numerals are assigned to the same or similar components throughout the specification.

In this specification, terms such as "include" or "have" are intended to designate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that it does not preclude the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof.

An air purifier having a noise reduction passage according to an embodiment of the present invention may be installed on an indoor ceiling to purify indoor air.

1 to 7, the air purifier 10 having a noise reduction passage according to an embodiment of the present invention includes a main body 100, a blowing unit 200, an air cleaning unit 300, a cover ( OC), a first cover 400, a second cover 500, and a UV-C module 600.

The body 100 may include a center frame 110 , a left frame 120 and a right frame 130 .

The center frame 110 may have an open front side and an air intake space 110s formed therein.

The left frame 120 extends from the left end of the center frame 110, has an open front side, and may have a first flow path U1 communicating with the air intake space 110s.

The right frame 130 extends from the right end of the center frame 110, has a front side open, and may have a second flow path U2 communicating with the air intake space 110s.

Also, a position where the first flow path U1 and the second flow path U2 communicate with the air intake space 110s may be a position corresponding to the rotational direction of the blower 200 . In other words, when the blower 200 rotates forward in a clockwise direction and blows air, the first flow path U1 may communicate with the lower portion of the air intake space 110s, and the second flow path U2 May be in communication with the upper side of the air intake space (110s). In addition, when the blower 200 that blows air in a counterclockwise direction is provided, the first flow path U1 may communicate with the upper side of the air intake space 110s, and the second flow path U2 ) may communicate with the lower part of the air intake space (110s).

Also, the first flow path U1 may include a twelfth flow path U12 , a thirteenth flow path U13 , a fourteenth flow path U14 , and a fifteenth flow path U15 .

The eleventh flow path U11 may have one end communicating with the lower side of the air intake space 110s and formed in a straight section.

The twelfth flow path U12 is formed in a direction perpendicular to the 11th flow path U11, and one end may communicate with the other end of the 11th flow path U11.

The thirteenth flow path U13 is formed in the horizontal direction of the eleventh flow path U11, and one end may communicate with the other end of the twelfth flow path U12.

The fourteenth flow path U14 is formed in a direction perpendicular to the eleventh flow path U11 and may have one end in communication with the other end of the thirteenth flow path U13.

The fifteenth flow path U15 is formed in the horizontal direction to the eleventh flow path U11, and one end may communicate with the other end of the fourteenth flow path U14. Also, the front side of the fifteenth flow path U15 may communicate with the first discharge hole 400h of the first cover 400 . Accordingly, the air introduced into the first flow path U1 may be discharged to the outside through the first discharge hole 400h.

Accordingly, since the first flow path U1 is formed long, it is possible to minimize noise by preventing noise generated from the blowing unit 200 from leaking to the outside.

Also, the first flow path U1 may be formed in a spiral shape.

Further, the portion between the 11th flow path U11 and the 12th flow path U12, the portion between the 12th flow path U12 and the 13th flow path U13, and the 13th flow path U13 and the 14th flow path U14 ) and the portion between the 14th flow path U14 and the 15th flow path U15 are formed round to reduce air resistance.

Also, the width of the eleventh flow path U11 may increase from one end to the other end.

Also, the width of the twelfth passage U12 may increase from one end to the other end.

Also, the width of the thirteenth passage U13 may increase from one end to the other end.

Also, the width of the fourteenth passage U14 may increase from one end to the other end.

Also, the twelfth flow path U12 has a wider width than the 11th flow path U11, the thirteenth flow path U13 has a wider width than the twelfth flow path U12, and the fourteenth flow path U14 has a The width may be larger than that of the 13 flow path U13.

Accordingly, since the first flow path U1 is formed in a structure in which the width gradually widens, the static pressure load can be reduced and noise can be minimized.

The second flow path U2 may be formed in a point-symmetrical shape with respect to the first flow path U1 and the blower 200 . Also, since the second flow path U2 has the same configuration as the first flow path U1, a detailed description thereof will be omitted.

The blowing unit 200 may be disposed in the air intake space 110s, suck in air from the outside, and blow air into the first flow path U1 and the second flow path U2. Also, a support plate IP connected to the central frame 110 and supporting the blower 200 may be disposed in front of the blower 200 . In addition, long holes may be formed in the support plate IP to allow air to flow into the blowing unit 200 .

The air cleaning unit 300 is disposed on the front side of the air intake space 110s and can filter out foreign substances, harmful gases, and fine particles included in the air sucked in from the outside by the blowing unit 200 .

In addition, the air cleaning unit 300 may include a detachable frame 310 and a composite filter unit 320 .

The detachable frame 310 may be disposed on the front side of the air intake space 110s and detachably installed on the center frame 110 . And, the detachable frame 310 may be provided as a frame with an open center. In more detail, a detachable groove 110a is formed in the center frame 110, and a detachable jaw 310a inserted into the detachable groove 110a is provided on the detachable frame 310, and the detachable frame 310 is the center frame. It can be mounted on (110) or removed from the center frame (110). Then, the operator can detach the detachable frame 310 from the central frame 110 by pulling while holding the handle 310b.

The composite filter unit 320 is fixed to the detachable frame 310 and can filter out foreign substances, harmful gases, and fine particles included in the air sucked from the outside by the blowing unit 200 .

In addition, the complex filter unit 320 may be provided as a filter in which a pre-filter, a deodorization filter, and a HEPA filter are stacked.

The pre-filter can play a role in filtering out large foreign substances such as animal fur, lint, hair, and large dust. In addition, the pre-filter, as the outermost filter, can serve to protect high-performance filters such as deodorization filters and HEPA filters and extend their lifespan. In addition, the pre-filter can be washed with water, and it can be used semi-permanently without deterioration even after using it for a long time.

The deodorizing filter is often called an activated carbon filter or a carbon filter, and can remove various odors.

The HEPA filter can filter out fine particles such as house dust mites or very small insects. Also, the HEPA filter can remove more than 99.7% of microparticles or bacteria.

The cover OC may be disposed on the front side of the air cleaning unit 300 and mounted on the center frame 110, and may have a plurality of through-holes formed so that air flows from the outside toward the center frame 110.

The first cover 400 may cover the front portion of the first flow path U1 of the left frame 120 and may have a first discharge hole 400h through which air passing through the first flow path U1 is discharged.

And, a sound absorbing material (SQ) for absorbing noise may be provided on the rear surface of the first cover 400 . In addition, a first distribution plate 410 for distributing discharged air may be disposed on the front surface of the first cover 400 .

The second cover 500 may cover the front portion of the second flow path U2 of the right frame 130 and may have a second discharge hole 500h through which air passing through the second flow path U2 is discharged.

And, a sound absorbing material (SQ) for absorbing noise may be provided on the rear surface of the second cover 500 . In addition, a second distribution plate 510 for distributing discharged air may be disposed on the front surface of the second cover 500 .

The UV-C module 600 is disposed on the front side of the air intake space 110s and installed on the center frame 110, and can sterilize the composite filter unit 320. In addition, the UV-C module 600 generates ultraviolet rays to sterilize the composite filter unit 320, and may be provided as a commercially available product.

In summary, the air purifier 10 having a noise reduction flow path according to an embodiment of the present invention has a first flow path U1 and a second flow path U2 formed long, so that noise generated from the blowing unit 200 is removed from the outside. Noise can be minimized by preventing spillage.

In addition, the air purifier 10 having a noise reduction channel according to an embodiment of the present invention can sterilize the composite filter unit 320 through the UV-C module 600, thereby improving sterilization and air purification capabilities. and can prevent damage caused by secondary pollution.

The air purifier 10 having a noise reduction passage according to an embodiment of the present invention may include a fine dust sensor (MM), a gas sensor (GS), and a control unit 700.

The fine dust sensor (MM) is installed in the main body 100 and can measure the concentration of fine dust outside.

And, the fine dust sensor (MM) can measure the fine dust concentration through the principle of measuring the air transparency in the atmosphere. The fine dust sensor (MM) has a light emitting unit and a light receiving unit, and the light emitting unit generates light. At this time, the light receiving unit detects light and can measure the concentration of fine dust according to the detected light.

The gas sensor GS is installed in the main body 100 and can detect external gas. Also, the gas sensor GS may be provided as a volatile organic compound (VOC) gas sensor GS, and the VOC gas sensor GS may be provided as a device distributed on the market.

The controller 700 may be installed in the main body 100 and connected to the blower 200, the UV-C module 600, the fine dust sensor (MM), and the gas sensor (GS). In addition, fine dust concentration information and gas detection information may be received from the fine dust sensor MM and the gas sensor GS to indicate the fine dust concentration and gas detection.

Also, the controller 700 may control the blower 200 and the UV-C module 600. More specifically, the controller 700 may operate or stop the blower 200 and may indicate an operating state and strength of the blower 200 .

In addition, the controller 700 may sterilize the composite filter unit 320 by operating the UV-C module 600 .

Additionally, the control unit 700 may adjust the intensity of the blowing unit 200 according to the fine dust concentration transmitted from the fine dust sensor MM according to the preset fine dust concentration.

Also, the controller 700 may operate the blower 200 for a predetermined period of time and then stop it.

As a result, in the air purifier 10 having a noise reduction passage according to an embodiment of the present invention, the first passage U1 is formed long to prevent noise generated from the blower 200 from leaking to the outside, thereby reducing noise. can be minimized. In addition, since the first flow path U1 is formed in a structure in which the width gradually widens, the static pressure load can be reduced, thereby minimizing noise.

In the air purifier 10 having a noise reduction flow path according to an embodiment of the present invention, air blown by the blower 200 can be discharged through the first flow path U1 and the second flow path U2, Since the area of the passage is secured, the load applied to the blower 200 can be reduced, and noise can be reduced.

The air purifier 10 having a noise reduction passage according to an embodiment of the present invention can sterilize the composite filter unit 320 through the UV-C module 600, thereby improving sterilization and air purification capabilities, Damage caused by secondary contamination can be prevented.

Since the air purifier 10 having a noise reduction channel according to an embodiment of the present invention has a simple structure, an operator can easily install it on the ceiling of a room, and thus the installation work can be easily performed.

Although the present invention has been described through preferred embodiments as described above, the present invention is not limited thereto and various modifications and variations are possible without departing from the concept and scope of the claims described below. Those working in the technical field to which it belongs will readily understand.

10: air purifier
100: body 110: center frame
110s: Air intake space 110a: Detachable groove
120: left frame U1: first flow path
U11: 11th Euro U12: 12th Euro
U13: 13th Euro U14: 14th Euro
U15: 15th Euro 130: right frame
U2: second flow path 200: blowing unit
IP: support plate 300: air cleaning unit
310: detachable frame 310a: detachable jaw
310b: handle 320: composite filter unit
OC: cover 400: first cover
400h: first discharge hole 410: first distribution plate
500: second cover 500h: second discharge hole
510: second distribution plate 600: UV-C module
SQ: sound absorbing material MM: fine dust sensor
GS: gas sensor 700: control unit

Claims (10)

A main body comprising a center frame having a front side open and having an air intake space, and a left frame extending from a left end of the center frame and having a front side open and having a first flow path communicating with the air intake space;
a blower disposed in the air intake space to suck in air from the outside and blow the air into the first passage;
an air cleaning unit disposed at a front side of the air intake space and filtering out foreign substances, harmful gases, and fine particles included in the air sucked in from the outside by the blowing unit;
a cover disposed at a front side of the air cleaning unit, mounted on the center frame, having a plurality of through holes, and covering the air cleaning unit;
A first cover covering the front portion of the first flow path of the left frame and having a first discharge hole through which air passing through the first flow path is discharged;
The first passage is formed long so that noise generated from the blower is reduced and then discharged to the outside,
The position at which the first flow path communicates with the air intake space is a lower portion of the air intake space corresponding to the rotational direction of the blower unit,
The first flow path includes an 11th flow path formed in a straight section with one end communicating with the lower side of the air intake space, and a vertical direction formed in the 11th flow path and one end communicating with the other end of the 11th flow path. A 12th flow path and a 13th flow path formed in the 11th flow path in the horizontal direction and having one end communicating with the other end of the 12th flow path, and a 13th flow path formed in the 11th flow path in the vertical direction and having one end connected to the other end of the 13th flow path. A 14th flow path communicating with an end thereof, and a 15th flow path formed horizontally to the 11th flow passage, one end communicating with the other end of the 14th flow passage, and having a front side communicating with the first discharge hole,
A portion between the 11th and 12th flow passages, a portion between the 12th and 13th flow passages, a portion between the 13th and 14th flow passages, and a portion between the 14th and 15th flow passages is formed round to reduce air resistance,
The eleventh passage increases in width from one end to the other end,
The twelfth passage increases in width from one end to the other end,
The thirteenth passage increases in width from one end to the other end,
The 14th passage increases in width from one end to the other end,
The twelfth passage is formed to have a larger width than the eleventh passage,
The thirteenth passage is formed to have a wider width than the twelfth passage,
The 14th passage is formed to have a larger width than the 13th passage,
The air purifier having a noise reduction passage formed in a structure in which the width of the first passage gradually widens to reduce the static pressure load. According to claim 1,
The body includes a right frame extending from the right end of the center frame, a front side being open, and having a second flow path communicating with the air intake space,
An air purifier with a noise reduction passage comprising a second cover covering the front portion of the second passage of the right frame and having a second discharge hole through which air passing through the second passage is discharged. delete delete delete According to claim 2,
An air purifier having a noise reduction passage provided with a sound absorbing material for absorbing noise on the rear surfaces of the first cover and the second cover. According to claim 1,
The air purifier,
a detachable frame disposed at a front side of the air intake space and detachably installed to the center frame; and
An air purifier with a noise reduction passage fixed to the detachable frame and including a composite filter unit for filtering out foreign substances, harmful gases, and fine particles contained in the air sucked from the outside by the blowing unit. According to claim 7,
An air purifier having a noise reduction passage including a UV-C module disposed on a front side of the air intake space, installed on the center frame, and sterilizing the composite filter unit. According to claim 8,
a fine dust sensor installed in the main body and measuring an external fine dust concentration; and
An air purifier with a noise reduction passage formed on the main body and including a gas sensor for detecting an external gas. According to claim 9,
A noise reduction passage installed in the main body and including a control unit connected to the blower, UV-C module, fine dust sensor, and gas sensor, controlling the blower and the UV-C module, and indicating an operating state of the blower Formed air purifier.

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