WO2015156636A1 - Purificateur d'air ayant une fonction de déshumidification et une fonction d'humidification - Google Patents

Purificateur d'air ayant une fonction de déshumidification et une fonction d'humidification Download PDF

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Publication number
WO2015156636A1
WO2015156636A1 PCT/KR2015/003615 KR2015003615W WO2015156636A1 WO 2015156636 A1 WO2015156636 A1 WO 2015156636A1 KR 2015003615 W KR2015003615 W KR 2015003615W WO 2015156636 A1 WO2015156636 A1 WO 2015156636A1
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WO
WIPO (PCT)
Prior art keywords
air
cleaner
function
water
humidification
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Application number
PCT/KR2015/003615
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English (en)
Korean (ko)
Inventor
유제빈
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유제빈
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Publication date
Application filed by 유제빈 filed Critical 유제빈
Publication of WO2015156636A1 publication Critical patent/WO2015156636A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/06—Spray cleaning
    • B01D47/08—Spray cleaning with rotary nozzles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification

Definitions

  • the present invention relates to an air purifier equipped with a dehumidification function and a humidification function, and removes air after removing the air in the room by using water to remove fine dust in the air, and dehumidification to create a fresh room by reducing moisture in the air.
  • the present invention relates to an air cleaner having a function and a humidification function.
  • Humidifiers, air purifiers or dehumidifiers released in recent years are generally released separately according to the use purpose, and in winter, humidifiers and dehumidifiers in summer are receiving favorable responses from consumers.
  • the air purifier that combines each function and the air purifier that combines the dehumidification function has been released, and these multi-function air purifiers are in the spotlight from consumers.
  • air cleaning is continuously developed by adding a negative ion function from a basic filter method, and the dehumidification function is based on simple functions such as a refrigerant circulation method and a thermoelectric element method. It is widely used as a product with improved performance due to technical improvement of control function according to pollution degree.
  • Patent application No. 10-2000-0066982 relates to an air purifier having a dehumidification device using a thermoelectric semiconductor element, a heat generating unit having a heat sink (heat sink) and a heat dissipation fan on both sides of the thermoelectric semiconductor element, and a cooling sink
  • a dehumidification device is formed by forming a heat absorbing part provided with a heat absorbing plate and a drain hole for collecting and discharging water condensed in the heat absorbing part, and the dehumidifying device is installed inside an air cleaner having an air inlet and an air outlet.
  • the external air inlet for introducing external air
  • Patent Application No. 10-2002-0045941 relates to a dehumidifier having an air purifying device, and proposes a technology related to a dehumidifying member using a heat sink and a cold sink and an air purifying member for purifying air from which moisture is removed. have.
  • Patent Application No. 10-2008-0033578 relates to a household dehumidification apparatus having a function of humidification and air cleaning, and forced suction of contaminated indoor air, and primary filtration through an internal filter, followed by a thermoelectric element assembly. Moisture, fine dust, odors, etc. contained in the air is condensed with the moisture adsorbed to achieve dehumidification, as well as to provide a technology for a dehumidification device having a humidification function.
  • Patent Application No. 10-2009-0093480 relates to an air purifier having a dehumidification function, the main body case having an inner space, and installed inside the main body case of the main body case through a blower fan A blowing unit for introducing outside air to both sides, an air purifying unit for purifying air introduced to one side of the main body case, and a dehumidifying unit for removing moisture from air introduced into the other side of the main body case by a dehumidifying rotor,
  • the main body case separates the dehumidifying unit and the blower, and the air purifier provided with a dehumidification function and a humidification function provided with a first partition wall unit having a first through hole so that the air flowing into the other side is introduced into the blower.
  • the technology is presented.
  • the above technologies provide an air cleaner having a dehumidification function using a thermoelectric element and an air purification function using anion or a filter, but there is a problem that the amount of air to be purified is not large.
  • the present invention is performed only by the air cleaning function to remove impurities such as fine dust from the air from the incoming air, or only to perform the dehumidification function to reduce the moisture in the air, or to remove the moisture from the air and purify the removed air It is an object of the present invention to provide a multi-functional air cleaner that can be injected again into the air.
  • an object of the present invention is to provide an air purifier having a dehumidification function capable of solving the problem of deterioration of the amount of air that may be generated by simultaneously performing a dehumidification function and air cleaning.
  • an object of the present invention is to provide an air cleaner that can provide a humidification function together with air cleaning.
  • the present invention in the air purifier with a dehumidification function and a humidification function, the lower cover to perform the function of the reservoir; An air cleaner which is formed on the lower cover and provides an air purifying function and a humidifying function; Dehumidifying unit formed on the upper portion of the air cleaner; An upper cover coupled to the lower cover to cover the air cleaner and the dehumidifying part, and a grid formed on an outer circumferential surface to serve as an air inlet; And a lid having an air outlet formed at an upper end of the upper cover.
  • the air purifier having a dehumidification function and a humidification function is provided.
  • Air cleaning unit of the present invention is installed inside the lower cover, the filtration filter for removing impurities of water flowing into the pump;
  • a pump connected to the filtration filter to pump water passing through the filtration filter;
  • a lower casing comprising a hole formed in the center, a plurality of cleaner seating grooves radially spaced apart from the central hole by a predetermined distance, and perforations formed in the bottom surface;
  • the upper casing composed of a hole through which air is discharged in the center, an opening to allow water to be discharged while maintaining a constant clearance with the cleaner, and a blocking portion to block a portion other than the opening. It sits on the top of the lower cover.
  • the air cleaning unit of the present invention consisting of a hole formed in the center, a plurality of cleaner seating grooves formed radially spaced apart from a predetermined distance from the central hole, and perforations formed on the bottom surface;
  • a holder mounted to a lower portion of the lower casing and into which water of the lower cover flows;
  • a filtration filter mounted on the holder to remove impurities of water introduced into the pump;
  • a pump mounted on the holder and connected to the filtration filter to pump water passing through the filtration filter;
  • An upper casing including a hole through which air is discharged in the center, an opening to allow water to be discharged while maintaining a constant clearance with the cleaner, and a blocking portion to block a portion other than the opening; Consists of, the air cleaner is seated on the top of the lower cover.
  • the supply pipe of the present invention may be composed of a lower supply manifold connected to a pump and mounted at a lower portion of each cleaner seating groove, and including a pressure regulating injection nozzle to adjust the rotational force of the cleaner by adjusting the supply of water to the cleaner.
  • a central supply pipe connected to the lower supply manifold extending to the upper portion, and the upper supply manifold connected to the central supply pipe to spray water from the upper portion of each cleaner to increase the rotational force to the cleaner may be further included.
  • the cleaner of the present invention may be formed into a spherical or cylindrical shape. By being spherical or cylindrical, it can be rotated like a watermill by water spray of a feed pipe. Concave grooves are formed on the surface of the cleaner to allow water to temporarily accumulate and then free-fall as it spreads to the surface of the cleaner, and a rotational force is added by the free fall of the water, and the water layer flows down the surface of the cleaner. Can be formed. As the concave groove is formed, water is attached to the concave groove by the surface tension. After that, as the cleaner rotates, the water accumulated in the concave groove freely falls and spreads evenly over the entire surface of the cleaner, thereby effectively removing impurities such as dust. Can be removed.
  • the surface of the cleaner may temporarily form a groove groove that gives a rotational force to the cleaner while the water temporarily freezes, and water flows along the groove of the cleaner to form a surface layer to effectively remove impurities such as dust. You can do it.
  • the cleaner is formed by stacking the micro-plate, a predetermined gap is formed between the micro-plate and the micro-plate, the water falls freely as the cleaner rotates after the water seeps into the gap, through the gap It may be configured to remove impurities as the air passes through.
  • the dehumidifying part of the present invention includes a thermoelectric element, a heat absorbing plate mounted on one side of the thermoelectric element, a heat sink mounted on the other side of the thermoelectric element, and cooling attached to the side of the heat sink to send air to the heat sink to dry the air. Consists of a fan, the dehumidifying unit may be mounted to the upper casing.
  • an exhaust fan for exhausting air may be attached to the lower portion of the air outlet formed in the lid.
  • the primary filter may be further provided to the inner side of the grid formed top cover.
  • the present invention is performed only by the air cleaning function to remove impurities such as fine dust from the air from the incoming air, or only to perform the dehumidification function to reduce the moisture in the air, or to remove the moisture from the air and purify the removed air
  • a multifunctional air cleaner that can be vented back into the air can be achieved.
  • FIG. 1 is a perspective view of an air purifier according to the present invention.
  • FIG. 2 is an exploded perspective view of the air purifier according to the present invention.
  • FIG. 3 is a plan view of an air purifier according to the present invention.
  • FIG. 4 is a cross-sectional view taken along line AA ′ of FIG. 3.
  • Figure 5 is a perspective view of the lid removed from the air purifier according to the present invention.
  • Figure 6 is an exploded perspective view showing a coupling relationship of the lower casing and the cleaner and the supply pipe of the air purifier according to the present invention.
  • Figure 7 is a perspective view of the supply pipe of the air purifier according to the present invention.
  • FIG. 8 is a perspective view of another embodiment of a cleaner and supply tube according to the present invention.
  • FIG. 9 is a perspective view of another embodiment of a cleaner and supply tube according to the present invention.
  • An air purifier having a dehumidification function and a humidification function comprising: a lower cover performing a function of a storage tank; An air cleaner which is formed on the lower cover and provides an air purifying function and a humidifying function; Dehumidifying unit formed on the upper portion of the air cleaner; An upper cover coupled to the lower cover to cover the air cleaner and the dehumidifying part, and a grid formed on an outer circumferential surface to serve as an air inlet; And a lid having an air outlet formed on the top of the upper cover.
  • FIG. 1 is a perspective view of an air purifier according to the present invention
  • FIG. 2 is an exploded perspective view of an air purifier according to the present invention
  • FIG. 3 is a plan view of an air purifier according to the present invention
  • FIG. 4 is A-A 'of
  • FIG. 5 is a perspective view of a state in which the lid is removed from the air cleaner according to the present invention
  • FIG. 6 is an exploded perspective view showing a coupling relationship between a lower casing, a cleaner and a supply pipe of the air cleaner according to the present invention
  • 7 is a perspective view of a supply tube of an air purifier according to the present invention
  • FIG. 8 is a perspective view of another embodiment of a cleaner and supply tube according to the present invention
  • FIG. 9 is a perspective view of another embodiment of a cleaner and supply tube according to the present invention.
  • the air purifier provided with a dehumidification function and a humidification function according to the present invention is the outer cover of the air cleaner 1 is formed by the lower cover 10, the upper cover 40 and the lid 50. .
  • the detailed configuration of the air cleaner 1 having the dehumidifying function and the humidifying function according to the present invention is an air cleaner 20 mounted on the lower cover 10 and the lower cover 10.
  • a dehumidifying unit 30 mounted on the upper part of the air cleaner 20, and an upper cover 40 covering the air cleaner 20 and the dehumidifying unit 30, and an upper cover
  • the lid 50 is mounted to the 40, and the air outlet 52 is formed at the center of the lid 50, so that the air is discharged to the outside.
  • a grid-shaped air outlet 53 is formed on the outer inclined surface of the air outlet 52 so that a plurality of grids are formed and the air is discharged through the dehumidifying unit.
  • the lower portion of the lid 50 is provided with a blocking plate 54 for preventing air from being discharged between the dehumidifying portions 40.
  • the blocking plate 54 is formed to be positioned between the dehumidifying part 40 and the dehumidifying part 40, and prevents air from being discharged through the side of the dehumidifying part.
  • the upper cover 40 is positioned below the lid 50, and a grid is formed on an outer circumferential surface to serve as an air intake port 41.
  • a hole 42 is formed in the center thereof, and a lid 50 is seated in the hole 42.
  • a primary filter (not shown) may be further provided inside the grid that is the air intake port 41.
  • a filter member such as a nonwoven fabric may be used.
  • the dehumidifying unit 30 includes a heat absorbing plate 32 to which external air flows and contacts the thermoelectric semiconductor element 31 located inside the heat absorbing plate 32, and a thermoelectric semiconductor element 31.
  • the heat sink 33 is positioned, and the cooling fan 34 which is located inside the heat sink 33 and sends air to the heat sink side to dry the air by heat.
  • the dehumidifying unit 30 is useful when it functions only as a dehumidifying function without using the air cleaning function, and the dehumidifying unit 30 can remove moisture from the indoor air.
  • the air cleaner 20 has a lower casing 21, a cleaner 22 seated on the lower casing 21, and a supply pipe for rotating the cleaner 22 by supplying water to the lower part of the cleaner. (23), a pump (25) for supplying water to the supply pipe (23), a filtration filter (24) for filtering impurities such as fine dust from the water flowing into the pump (25), and the lower portion
  • An upper casing 28 composed of an opening 281 attached to the upper portion of the casing 21 to form a gap with the cleaner at a predetermined interval, and a blocking portion 282 for blocking a portion other than the opening 281. It consists of.
  • the upper casing 28 is also provided with a central hole 284 to allow air to be discharged, and a flat portion 283 at predetermined intervals is provided at the outer edge along the central hole 284.
  • the dehumidifying part 40 is mounted on the flat part 283.
  • the pump 25 and the filtration filter 24 may be provided inside the lower cover 10, or may be provided with a separate holder 27, and the perforations 26 may be formed in the holder 27. After the formation, the pump 25 and the filtration filter 24 may be mounted. The reason for forming the perforations 26 in the holder 27 is to allow the holder 27 to be filled with water.
  • the cleaner 22 is provided in a spherical shape, a groove 221 is formed on the outer circumferential surface of the cleaner 22 to freely drop after water temporarily accumulates in a state where the cleaner is rotated, thereby forming a surface layer of water on the surface of the cleaner. To form. Due to the accumulation of water in the grooves of the cleaner 22, the surface of the cleaner 22 flows as a whole, so that the air escapes into the gap between the cleaner 22 and the opening 281 and is contained in the air. To remove impurities such as fine dust.
  • the pump 25 is provided with a discharge port 251 through which the water passing through the filtration filter 24 is discharged, and the discharge port 251 is connected to the supply pipe 23 to supply water to the supply pipe 23.
  • the air cleaner according to the present invention will be described. As shown in FIG. 2, the same configuration can be found. However, in this figure, the air outlet 52 is located at the center of the lid 50. ) Is provided, and an exhaust fan 55 is provided below the air outlet 52 so that purified air or dehumidified air may be discharged to the outside.
  • the lower casing 21 is equipped with a hole 214 formed in the center, a cleaner seating groove 212, a perforation 215 formed in a flat surface, and a supply pipe 23 formed in the cleaner seating groove 212.
  • the supply pipe insertion hole 213 is provided.
  • the cleaner seating groove 212 may be supplied with water through the supply pipe to rotate the cleaner 22.
  • a locking jaw 215 is provided on the lower outer circumferential surface of the lower casing 21 so that the locking jaw 215 may be placed on the lower cover 10.
  • the supply pipe 23 is connected to the outlet 251 of the pump inlet 231, the lower manifold 232 connected to the inlet 231, the lower manifold 232 is connected to the extension pipe 233 to the top,
  • the upper manifold 234 is connected to the extension tube 233.
  • the lower manifold 232 further includes a radially extending lower branch tube 235 and a pressure regulating nozzle 236 for spraying water formed at an end of the lower branch tube 235.
  • Extension tube 233 may be formed of one or a plurality of tubes.
  • the upper manifold 234 includes a plurality of upper branch tubes 237, and an injection nozzle is provided at an end of the upper branch tube 237 to supply water.
  • FIG. 8 to 10 show another embodiment of a cleaner that is rotated by a feed tube.
  • furrow grooves 221-1 are formed on the surface of the cleaner 22-1 having a cylindrical shape, and water is temporarily accumulated between the furrow grooves and the furrow grooves.
  • the cylindrical cleaner of FIG. 8 may overlap a plurality of microplates, but may form a furrow groove by varying the height of the diaphragm and the diaphragm, and may also be manufactured by forming the furrow groove in the cylinder.
  • Spherical cleaners may also be formed using microplates.
  • FIG. 9 is a view of the cleaner 22-2 using the microplate 221-2.
  • the microplate 221-2 includes a protrusion 222 so that a predetermined gap 223 is formed between the diaphragm and the diaphragm. Can be.
  • a protrusion 222 so that a predetermined gap 223 is formed between the diaphragm and the diaphragm. Can be.
  • the gap 223 As air passes through the gap 223, impurities in the air are removed by the water.
  • the cleaner rotates, water containing impurities falls freely and falls into the lower cover 10, which is a storage tank.
  • a gap may be formed between the plates and the plates. Forming method can be achieved by a simple design change, it is only a clear matter that any method for forming a gap can be easily achieved by those skilled in the art.
  • the groove 221-3 is formed on the surface of the cleaner 22-3 formed in a cylindrical shape to perform the same function as in the case of a spherical shape.
  • FIG. 4 A dehumidifying function and an air cleaning function will be described with reference to the drawings of FIG. 4.
  • the air cleaning function will be described.
  • FIG. 4 when air is introduced through the grid 41 formed in the upper cover 40, the introduced air is filled with fine gaps formed by the rotating cleaner 22 and the upper casing 28. Is conveyed inward. While moving the fine gap, air is removed by impurities such as fine dust contained in the air flowing through the surface of the cleaner 22 and water sprayed through the spray nozzle.
  • impurities such as fine dust contained in the air flowing through the surface of the cleaner 22 and water sprayed through the spray nozzle.
  • large particles such as dust are attached by the surface tension of water formed on the surface of the water, or negative ions and positive ions such as dust formed in the sprayed water are combined with each other, and the combined dust The back flows down with the water into the reservoir.
  • the outside air flows into the inside through the grid 41 of the upper cover by driving the exhaust fan 55, and relatively large particles in the air are filtered out by the primary filter mounted inside the grid 41.
  • fine dust and the like are removed through the cleaner 22 and purified by clean air. Impurities such as fine dust contained in the water are introduced into the water in the lower cover together with the water, and the introduced water is circulated.
  • the filtration filter 24 is placed in front of the pump 25. In this case, impurities such as fine dust are removed through the filtration filter 24, and clean water is supplied to the cleaner 22 through the supply pipe 23. This process is repeated to purify the air in the room.
  • the air introduced through the grid 41 of the upper cover 40 first comes into contact with the heat absorbing plate 32 formed in front of the thermoelectric semiconductor.
  • the heat is absorbed while depriving heat of air. Dew is generated in the plate 32, thereby removing the moisture contained in the air.
  • the dehumidified air flows into the inside of the air cleaner through the minute gap formed by the cleaner 22 and the upper casing 28 which do not rotate, and the introduced air passes through the heat sink 33 by driving the cooling fan 34. It is transferred to the) side, and dried again by the heat of the heat sink (33). The dried air is discharged to the outside through the grid-type air outlet 53 of the lid 50.
  • the present invention relates to an air purifier equipped with a dehumidification function and a humidification function, and removes air after removing the air in the room by using water to remove fine dust in the air, and dehumidification to create a fresh room by reducing moisture in the air.
  • the invention relates to an air purifier equipped with a function and a humidification function, and has high industrial applicability.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Air Humidification (AREA)
  • Drying Of Gases (AREA)

Abstract

La présente invention concerne un purificateur d'air ayant une fonction de déshumidification et une fonction d'humidification, qui retire l'air intérieur à l'aide d'eau et puis évacue celui-ci de manière à éliminer la poussière fine de l'air, et qui réduit l'humidité de l'air de manière à fournir un environnement intérieur plaisant. L'invention concerne le purificateur d'air ayant une fonction de déshumidification et une fonction d'humidification, comprenant : un capot inférieur destiné à remplir la fonction de réservoir de stockage ; une partie de purification de l'air formée au niveau de la partie supérieure du capot inférieur, et assurant une fonction de purification de l'air et la fonction d'humidification ; une partie de déshumidification formée au niveau de la partie supérieure de la partie de purification de l'air ; un capot supérieur accouplé au capot inférieur de sorte à couvrir la partie de purification de l'air et la partie de déshumidification, et comportant une grille formée au niveau de sa surface périphérique extérieure de sorte à assurer la fonction d'entrée d'air ; et un couvercle placé au niveau de l'extrémité supérieure du capot supérieur, et comportant une sortie d'air.
PCT/KR2015/003615 2014-04-11 2015-04-10 Purificateur d'air ayant une fonction de déshumidification et une fonction d'humidification WO2015156636A1 (fr)

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KR1020140043487A KR101653863B1 (ko) 2014-04-11 2014-04-11 제습기능과 가습기능이 구비된 공기청정기
KR10-2014-0043487 2014-04-11

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107621023A (zh) * 2017-09-13 2018-01-23 广东美的制冷设备有限公司 净化除湿机
CN107726478A (zh) * 2017-09-13 2018-02-23 广东美的制冷设备有限公司 净化除湿机
CN109140609A (zh) * 2018-08-16 2019-01-04 广东加诺智能科技有限公司 智能除湿机
WO2019052077A1 (fr) * 2017-09-13 2019-03-21 广东美的制冷设备有限公司 Machine de purification et de déshumidification
CN113483440A (zh) * 2021-08-08 2021-10-08 无锡市第五人民医院 一种传染病房消毒装置

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CN107449059A (zh) * 2017-07-19 2017-12-08 广东美的制冷设备有限公司 净化除湿机
CN107314462A (zh) * 2017-07-19 2017-11-03 广东美的制冷设备有限公司 净化除湿机
KR101972714B1 (ko) * 2018-11-19 2019-04-25 주식회사 에어텍 휴대용 공기청정기
KR102662507B1 (ko) * 2023-03-22 2024-05-02 김동엽 열전소자를 이용한 냉온풍기

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KR20060035117A (ko) * 2004-10-21 2006-04-26 권혁동 습식 공기청정기
KR100728248B1 (ko) * 2006-08-18 2007-06-13 위니아만도 주식회사 공기청정기
KR20130030010A (ko) * 2011-09-16 2013-03-26 위니아만도 주식회사 가습 제습 복합기

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KR20060035117A (ko) * 2004-10-21 2006-04-26 권혁동 습식 공기청정기
KR100728248B1 (ko) * 2006-08-18 2007-06-13 위니아만도 주식회사 공기청정기
KR20130030010A (ko) * 2011-09-16 2013-03-26 위니아만도 주식회사 가습 제습 복합기

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107621023A (zh) * 2017-09-13 2018-01-23 广东美的制冷设备有限公司 净化除湿机
CN107726478A (zh) * 2017-09-13 2018-02-23 广东美的制冷设备有限公司 净化除湿机
WO2019052077A1 (fr) * 2017-09-13 2019-03-21 广东美的制冷设备有限公司 Machine de purification et de déshumidification
CN107621023B (zh) * 2017-09-13 2019-09-20 广东美的制冷设备有限公司 净化除湿机
CN107726478B (zh) * 2017-09-13 2019-09-20 广东美的制冷设备有限公司 净化除湿机
US11698201B2 (en) 2017-09-13 2023-07-11 Gd Midea Air-Conditioning Equipment Co., Ltd. Purification dehumidifier
CN109140609A (zh) * 2018-08-16 2019-01-04 广东加诺智能科技有限公司 智能除湿机
CN113483440A (zh) * 2021-08-08 2021-10-08 无锡市第五人民医院 一种传染病房消毒装置

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KR101653863B1 (ko) 2016-09-02

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