WO2022108000A1 - 바이러스 살균기능을 갖는 공기 청정기 - Google Patents

바이러스 살균기능을 갖는 공기 청정기 Download PDF

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Publication number
WO2022108000A1
WO2022108000A1 PCT/KR2021/001332 KR2021001332W WO2022108000A1 WO 2022108000 A1 WO2022108000 A1 WO 2022108000A1 KR 2021001332 W KR2021001332 W KR 2021001332W WO 2022108000 A1 WO2022108000 A1 WO 2022108000A1
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WO
WIPO (PCT)
Prior art keywords
air
unit
sterilizing
diaphragm
time
Prior art date
Application number
PCT/KR2021/001332
Other languages
English (en)
French (fr)
Korean (ko)
Inventor
최우정
Original Assignee
최우정
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 최우정 filed Critical 최우정
Publication of WO2022108000A1 publication Critical patent/WO2022108000A1/ko

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • 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
    • F24F3/16—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 purification, e.g. by filtering; by sterilisation; by ozonisation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/14—Disinfection, sterilisation or deodorisation of air using sprayed or atomised substances including air-liquid contact processes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
    • F24F8/24—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using sterilising media
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • F24F2013/205—Mounting a ventilator fan therein
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Definitions

  • the present invention provides an air purifying operation that discharges purified air while collecting viruses contained in the air flowing into the purifier case for a long time, and the sterilizing solution supplied in a small amount from the inside of the purifier case for a short time repeatedly It relates to an air purifier having a virus sterilization function that can improve the sterilization effect of viruses by repeating the sterilization operation to kill the bacteria collected by circulation.
  • an air cleaner refers to a device that purifies polluted air and replaces it with fresh air, and suctions the polluted air with a fan to collect or filter fine dust or bacteria. It has a function of deodorizing odors such as odors and cigarette smells.
  • An object of the present invention is to perform an air purification operation that discharges purified air while collecting viruses contained in the air flowing into the purifier case for a long time and repeatedly circulate the sterilizing solution supplied in a small amount from the inside of the purifier case for a short time.
  • An object of the present invention is to provide an air purifier having a virus sterilization function that can improve the sterilization effect of the virus by repeating the sterilization operation to kill the collected bacteria.
  • the inlet 101 through which air is introduced is formed at the lower portion
  • the outlet 102 through which the introduced air is discharged is formed at the upper portion
  • the inlet 101 is formed at the upper portion.
  • a lower gate 300 that is formed to penetrate through the lower diaphragm 200 and opened and closed to allow air to flow in or block, and the lower diaphragm 200 spaced apart from the upper part to the inner space of the purifier case 100.
  • a sterilizing solution for sterilizing viruses is supplied between the central diaphragm 400, which is formed across and the central distribution hole 410 through which air is circulated, is formed on one side, and the lower diaphragm 200 and the central diaphragm 400
  • a blowing fan 600 for transferring from the lower part of the central diaphragm 400 to the upper part, and a sterilizing solution provided on the upper part of the central diaphragm 400 and transferred together with the air by the blowing fan 600 is included in the air
  • the sterilizing unit 700 for sterilizing the virus is formed to be spaced apart from the sterilizing unit 700 to the upper side, and is formed to cross the inner space of the purifier case 100, and an upper distribution hole 810 through which air is circulated on one side.
  • the sterilizing solution supply unit 500 includes a sterilizing container 510 filled with the sterilizing solution, a sterilizing solution rising part 520 for raising the sterilizing solution while being installed penetratingly through the sterilizing container 510, and a sterilizing solution rising part ( It is characterized in that it includes a sterilizing liquid spraying unit 530 that sprays the sterilizing liquid raised by the 520).
  • the sterilizing solution supplied from the sterilizing solution supply unit 500 includes an aqueous solution of povidone iodine, and the sterilizing unit 700 is characterized in that it is composed of a HEPA filter or a Wolfa filter.
  • the control unit 1200 sets the time provided by the time setting unit 1210 for setting and managing the sterilization operation time and the air cleaning operation time, the time providing unit 1220 providing the time, and the time providing unit 1220.
  • the time check unit 1230 for counting and confirm the sterilization operation time and the air cleaning operation time set in the time setting unit 1210 based on the basis, and the sterilizing solution supply unit 500 during the sterilization operation time confirmed by the time check unit 1230 and operating the blowing fan 600, closing the lower gate 300 and the upper gate 1100 while opening the circulation gate 900, and blowing air during the air cleaning operation time checked by the time check unit 1230
  • the time confirmation unit 1230 only checks the air cleaning operation time, so the operation unit 1240 is the time confirmation unit ( 1230), while maintaining the operation of the blowing fan 600, the sterilizing solution supply unit 500 is stopped, and the lower gate 300 and the upper gate 1100 are opened while the circulation gate 900 is operated. It is characterized in that it can be closed operation.
  • an air purification operation that discharges purified air while collecting viruses contained in the air flowing into the interior of the purifier case for a long time, and a sterilizing solution (povidone iodine aqueous solution) supplied from the inside of the purifier case
  • a sterilizing solution povidone iodine aqueous solution
  • the povidone-iodine aqueous solution is sprayed for 3 minutes every 3 hours, the virus collected for a long time can be killed by a small amount of povidone-iodine aqueous solution provided for a short time, so that the povidone-iodine aqueous solution can be saved.
  • FIG. 1 is a perspective view showing an air purifier having a virus sterilization function according to an embodiment of the present invention
  • Figure 2 is a perspective view showing the inside of the present invention.
  • FIG. 3 is a block diagram showing the configuration of the present invention.
  • FIG. 4 is a block diagram showing the configuration of a control unit applied to the present invention.
  • FIG. 5 is a cross-sectional view showing an air cleaning operation state of the present invention.
  • FIG. 6 is a cross-sectional view showing the sterilization operation state of the present invention.
  • the air purifier having a virus sterilization function of the present invention includes a purifier case 100, a lower diaphragm 200, a lower gate 300, and a central diaphragm 400 and , a sterilizing solution supply unit 500 , a blowing fan 600 , a sterilization unit 700 , an upper diaphragm 800 , a circulation gate 900 , a closing diaphragm 1000 , and an upper gate 1100 , and , and a control unit 1200 .
  • the purifier case 100 has an inlet 101 through which air is introduced, an outlet 102 through which the air is discharged, is formed at the upper portion, and communicates from the inlet 101 to the outlet 102 so that air An internal space for perfusion is formed.
  • a pre-filter 110 for filtering foreign substances such as dust may be installed at the inlet 101 in the purifier case 100 .
  • the outlet 102 may be provided with a plurality of direction control plates for controlling the direction of the discharged air.
  • the lower diaphragm 200 is formed to cross the inner space while being spaced apart from the purifier case 100 to the upper portion of the inlet 101 .
  • the lower gate 300 is formed to penetrate through the lower diaphragm 200 and is controlled by the control unit 1200 to allow air to flow in or block the opening and closing operation.
  • the middle diaphragm 400 is formed to cross the inner space of the purifier case 100 while being spaced apart from the lower diaphragm 200 to the upper part, and a central distribution hole 410 through which air flows is formed on one side.
  • the sterilizing solution supply unit 500 supplies a sterilizing solution for sterilizing a virus between the lower diaphragm 200 and the central diaphragm 400 , and the sterilizing solution is filled in the sterilizing tank 510 and the sterilizing tank 510 . It includes a sterilizing solution rising part 520 for raising the sterilizing solution in a penetrating state, and a sterilizing solution spraying part 530 for spraying the sterilizing solution raised by the sterilizing solution rising part 520 .
  • the sterilization container 510 is located under the lower diaphragm 200 , the sterilizing liquid rising part 520 penetrates the lower diaphragm 200 , and the sterilizing liquid spraying part 530 is located on the lower diaphragm 200 . .
  • the sterilizing liquid rising part 520 absorbs the sterilizing liquid while the lower end is penetrated through the sterilizing container 510 and the upper end is connected to the sterilizing liquid spraying part 530 and inserted into the sterilizing liquid spraying part 530. It may be made of a porous body such as a sponge.
  • the sterilizing liquid spraying unit 530 may be configured as a sprayer that is controlled by the controller 1200 to spray the sterilizing liquid.
  • the sterilizing solution includes an aqueous solution of povidone-iodine.
  • the sterilizing solution may be used by mixing 1 ml of an aqueous solution of povidone iodine in 50 to 100 ml of water.
  • the sterilizing liquid spraying unit 530 when the sterilizing liquid spraying unit 530 is operated, the sterilizing liquid may be sprayed in the form of mist and supplied to the space formed between the lower diaphragm 200 and the middle diaphragm 400 .
  • the blowing fan 600 is positioned between the lower diaphragm 200 and the central diaphragm 400 and is fixed in communication with the central diaphragm 400, is controlled by the control unit 1200, and is sprayed from the sterilizing liquid supply unit 500 The air in which the sterilizing liquid is suspended is transferred from the lower part of the central diaphragm 400 to the upper part.
  • the sterilization unit 700 sterilizes viruses contained in the air by using a sterilizing liquid provided on the upper portion of the central diaphragm 400 and transferred together with the air by the blower fan 600, H14 HEPA filter, U15 Wolfa filter , it may be composed of any one of the U16 ulfa filters.
  • the filter can be filtered by being wetted with a sterilizing solution as well as filtering the virus as air passes through it. Therefore, the virus may be killed by the sterilizing solution soaked in the filter while the virus is filtered by the filter. Thereby, only air that has been sterilized and purified by viruses is discharged through the outlet 102 and can be supplied to the user. Of course, since the sterilizing solution is also filtered by the filter, the sterilizing solution is not supplied to the user.
  • the sterilization unit 700 may include a deodorizing filter, a carbon nano filter, an ozone removal filter, and the like.
  • the sterilization unit 700 is positioned between the central diaphragm 400 and the upper diaphragm 800 without contacting the central diaphragm 400 or the upper diaphragm 800 . That is, as a space through which air flows is formed in the upper and lower portions of the sterilizing unit 700 , the air may pass through while evenly contacting the sterilizing unit 700 .
  • the sterilizing liquid is filtered while being applied by the sterilizing unit 700 , but the amount of the sterilizing liquid passing through the sterilizing unit 700 is insufficient.
  • the upper diaphragm 800 is formed to be spaced apart from the sterilizing unit 700 upwardly, and is formed to cross the inner space of the purifier case 100 , and an upper distribution hole 810 through which air flows is formed on one side.
  • the circulation gate 900 is formed to penetrate through the upper diaphragm 800 and is controlled by the control unit 1200 to allow or block the movement of air that has passed through the sterilization unit 700 to open and close.
  • the closing diaphragm 1000 is spaced apart from the upper diaphragm 800 to the upper part and is formed to cross the inner space of the purifier case 100 while being positioned under the outlet 102 .
  • the upper gate 1100 is formed to communicate from the upper diaphragm 800 to the closing diaphragm 1000, and is controlled by the control unit 1200 to allow or block the movement of air that has passed through the sterilization unit 700 to open and close.
  • the upper gate 1100 is connected to the closing diaphragm 1000 through a pipe while being fixed to the upper diaphragm 800 .
  • the control unit 1200 controls the lower gate 300 , the sterilizing solution supply unit 500 , the blowing fan 600 , the circulation gate 900 , and the upper gate 1100 .
  • control unit 1200 is based on the time provided by the time setting unit 1210 that sets and manages the sterilization operation time and the air cleaning operation time, the time provision unit 1220 that provides the time, and the time provision unit 1220
  • a time check unit 1230 that counts and checks the sterilization operation time and air cleaning operation time set in the furnace time setting unit 1210, and a sterilizing solution supply unit 500 and
  • the blower fan 600 is operated, the lower gate 300 and the upper gate 1100 are closed while the circulation gate 900 is opened, and the blower fan is operated during the air cleaning operation time checked by the time check unit 1230.
  • the user can arbitrarily set the sterilization operation time and the air cleaning operation time through the time setting unit 1210 .
  • only the air cleaning operation time may be set without setting the sterilization operation time through the time setting unit 1210 .
  • the sterilization function is not used and only the air cleaning function can be used for 12 hours.
  • the time providing unit 1220 includes a clock.
  • the time check unit 1230 may be set to confirm the sterilization operation time and confirm the air cleaning operation time to confirm the sterilization operation time again and to confirm the air cleaning operation time. That is, since the sterilization operation time and the air cleaning operation time are repeated, the virus can be periodically sterilized.
  • time check unit 1230 since the time check unit 1230 does not set the sterilization operation time in the time setting unit 1210 , it cannot check the sterilization operation time, so it can check only the air cleaning operation time.
  • the operation unit 1240 stops the sterilizing liquid supply unit 500 while maintaining the operation of the blowing fan 600 during the air cleaning operation time confirmed by the time confirmation unit 1230 , and the lower gate 300 and the upper gate 1100 . ), the circulation gate 900 may be closed while the opening operation is performed.
  • the sterilizing operation time in the sterilizing solution supply unit 500 is 3 minutes of operating the sterilizing solution supply unit 500 to supply the sterilizing solution, and the air containing the sterilizing solution is circulated to the sterilizing unit 700 . It consists of a sterilizing liquid circulation time of 13 minutes to close the lower gate 300 and the upper gate 1100 while opening the circulation gate 900 in a state in which the blowing fan 600 is operated so as to be repeatedly applied to the surface.
  • the circulation gate 900 is closed while the blowing fan 600 is operated so that the virus contained in the air is collected in the filter while the air passes through the sterilization unit 700 and is sterilized by the sterilizing solution. It may be set to a time of 3 hours for opening the lower gate 300 and the upper gate 1100 while operating. In this way, since the sterilization operation time is set to be shorter than the air cleaning operation time, the sterilizing solution can be saved and the virus can be killed with a small amount of the sterilizing solution.
  • the blowing fan ( The sterilizing liquid supplied from the sterilizing liquid supply unit 500 by the 600 ) is provided to the sterilizing unit 700 together with air, and only the air passes through the sterilizing unit 700 while the sterilizing liquid is filtered by the sterilizing unit 700 . At this time, the virus collected by the sterilizing liquid filtered by the sterilizing unit 700 may be killed.
  • the air that has passed through the sterilization unit 700 upward is moved downward through the upper distribution hole 810 of the upper diaphragm 800, and passes through the central distribution hole 410 of the central diaphragm 400 to the sterilization unit ( After moving to the lower part of the 700), it is moved back to the sterilizing unit 700 together with the sterilizing liquid sprayed.
  • the air is continuously circulated and the sterilizing liquid is provided to the sterilizing unit 700 so that the sterilizing liquid is evenly distributed and wetted in the sterilizing unit 700 .
  • Virus sterilization efficiency can be increased.
  • the sterilizing solution supply unit 500 is stopped, and the lower gate 300 and the upper gate 1100 are opened while the circulation gate 900 is closed.
  • the air introduced through the inlet 101 passes through the lower gate 300 and then passes through the sterilization unit 700 by the blower fan 600 , the virus contained in the air is collected in the sterilization unit 700 . do.
  • the air, which has been collected and cleaned of viruses passes through the upper gate 1100 and is discharged to the outside through the outlet 102 and provided to users.
  • the present invention repeatedly circulates an air purification operation that discharges purified air while collecting viruses contained in the air flowing into the purifier case for a long time and a sterilizing solution supplied in a small amount from the inside of the purifier case for a short time.
  • This is a very useful invention that can be widely used in the field because the sterilization effect of the virus can be improved by repeating the sterilization operation to kill the collected bacteria.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • Human Computer Interaction (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
PCT/KR2021/001332 2020-11-18 2021-02-02 바이러스 살균기능을 갖는 공기 청정기 WO2022108000A1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020200154649A KR102207250B1 (ko) 2020-11-18 2020-11-18 바이러스 살균기능을 갖는 공기 청정기
KR10-2020-0154649 2020-11-18

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WO2022108000A1 true WO2022108000A1 (ko) 2022-05-27

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JP (1) JP2022080823A (zh)
KR (1) KR102207250B1 (zh)
CN (1) CN114046588B (zh)
WO (1) WO2022108000A1 (zh)

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Publication number Priority date Publication date Assignee Title
KR102207250B1 (ko) * 2020-11-18 2021-01-25 최우정 바이러스 살균기능을 갖는 공기 청정기
KR102446049B1 (ko) * 2022-01-18 2022-09-23 주식회사 디보슨 로봇에 장착된 공기청정기 겸용 멸균기

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JP2017035275A (ja) * 2015-08-10 2017-02-16 株式会社クボタ 空気清浄装置
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07194682A (ja) * 1993-12-31 1995-08-01 Ee P S:Kk 室内空気の殺菌方法
JP2017035275A (ja) * 2015-08-10 2017-02-16 株式会社クボタ 空気清浄装置
KR101938861B1 (ko) * 2018-11-01 2019-04-11 주식회사 근옥 악취 및 분진 저감장치
KR102031772B1 (ko) * 2019-05-16 2019-10-14 주식회사 근옥 공기 청정기
KR102126978B1 (ko) * 2019-12-09 2020-06-25 퓨리바이드 주식회사 환기 및 실내 겸용 공기정화장치
KR102207250B1 (ko) * 2020-11-18 2021-01-25 최우정 바이러스 살균기능을 갖는 공기 청정기

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CN114046588A (zh) 2022-02-15
JP2022080823A (ja) 2022-05-30
KR102207250B1 (ko) 2021-01-25
CN114046588B (zh) 2022-06-28

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