CN109442631A - One kind removing formaldehyde indoor air-humidification cleaning machine - Google Patents

One kind removing formaldehyde indoor air-humidification cleaning machine Download PDF

Info

Publication number
CN109442631A
CN109442631A CN201811529001.XA CN201811529001A CN109442631A CN 109442631 A CN109442631 A CN 109442631A CN 201811529001 A CN201811529001 A CN 201811529001A CN 109442631 A CN109442631 A CN 109442631A
Authority
CN
China
Prior art keywords
air
water tank
cleaning machine
cleaned water
formaldehyde
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201811529001.XA
Other languages
Chinese (zh)
Inventor
商怀超
陈永强
单纯玉
黄佳楠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai University of Medicine and Health Sciences
Original Assignee
Shanghai University of Medicine and Health Sciences
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 Shanghai University of Medicine and Health Sciences filed Critical Shanghai University of Medicine and Health Sciences
Priority to CN201811529001.XA priority Critical patent/CN109442631A/en
Publication of CN109442631A publication Critical patent/CN109442631A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-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
    • F24F3/12Air-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
    • F24F3/16Air-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-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
    • F24F3/12Air-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
    • F24F3/14Air-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, 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
    • F24F8/117Treatment, 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 using wet filtering

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention discloses one kind to remove formaldehyde indoor air-humidification cleaning machine, air intake is arranged in cabinet side bottom, place air pump in cabinet lower part, waste water tank, air pump output end is connect by non-return valve with distributor input terminal, dispenser output end is connect with multiple nano bubble disks respectively by multichannel admission line, nano bubble disk is arranged in cleaned water tank bottom, cleaned water tank is placed on the partition in the middle part of cabinet, cleaned water tank is provided with air cleaning water, water level sensor is mounted in the air cleaning water in cleaned water tank, fan is arranged in cleaned water tank top, air outlet, wherein fan air-out direction is to firmly air outlet.The present invention utilizes ablution, and the air after washing does not have any remaining chemical substance, will not influence human health.So that air-flow is formed high velocity turbulent flow using air pump and nano bubble disk, improves cleaning effect.Water for cleaning is noncirculating water, avoids wasting, and low in cost.Has the function of humidification to the air of purification.

Description

One kind removing formaldehyde indoor air-humidification cleaning machine
Technical field
The present invention relates to technical field of air purification, more particularly to one kind to remove formaldehyde indoor air-humidification cleaning machine.
Background technique
The main harm of formaldehyde is shown as to mucocutaneous stimulation, when formaldehyde reaches a certain concentration indoors, people Just there is sense of discomfort.Concentration of formaldehyde greater than 0.08m3 can cause to be envious, eye is itched, throat discomfort or pain, hoarseness, sneeze, Uncomfortable in chest, asthma, dermatitis etc..Newly-decorated room content of formaldehyde is higher, is the main inducing of numerous diseases.
With the raising of health perception, people more pay close attention to air quality influences a series of for own health bring, And formaldehyde has strong carcinogenic and tumor promotion as the major pollutants for influencing human health in room air.Mesh Preceding one of the method for thinking to remove that formaldehyde is generally acknowledged improvement indoor air quality in the world.
In the northern area of China, winter temperature is lower, and people are chronically in closed environment, indoor furniture, the building such as floor The formaldehyde that material comes out, benzene concentration increase, and cannot get fresh air dilution, seriously threaten the health of people.People itself is from interior The pollutant of body exhalation and various bacteriums also diffuse indoors, more exacerbate the deterioration of room air.Current air on the market Clarifier inefficiency, using cumbersome, the later period is at high cost, causes the technological deficiencies such as secondary pollution.
Anion is similar with the plasma method removal working principle of indoor particle pollutant, is all by making in air Particulate matter electrification, coalescence forms larger particles and settles, but particulate matter does not remove actually, is only attached to neighbouring surface On, easily lead to fugitive dust again.
Air humidity affects people's health, scientific investigations showed that, people lives in relative humidity 45-65%RH, and humidity refers to Number is that most sense is comfortable in the environment of 50-60, is also not easy to cause the disease of respiratory system.And the room of northern China heat supply in winter phase Interior humidity is usually 15%RH.Under the environment of this drying, people generally feel various discomforts.When air humidity is lower than 40%RH's When, the ciliary movement on people's nose and lung airways mucous membrane slows down, and dust, bacterium etc. are liable to stick on mucous membrane, stimulation The symptoms such as thirsty, dry cough, celostomia, laryngalgia cause in throat, also make influenza virus and can cause the numerous of the gram-positive bacteria of infection Speed quickening is grown, is also easy to spread with the dust in air, causes other diseases.
Summary of the invention
In view of the above drawbacks of the prior art, technical problem to be solved by the invention is to provide one kind except in formaldehyde room Air wetting cleaning machine, the cleaning machine answer structure simple, can effectively remove the formaldehyde pollution in room air, and have humidification Function creates the healthy microenvironment that an air is pure and fresh, and humidity is suitable for for people.
To achieve the above object, the present invention provides one kind remove formaldehyde indoor air-humidification cleaning machine, including air intake, Air pump, non-return valve, distributor, admission line, nano bubble disk, water level sensor, cleaned water tank, fan, air outlet, discharging valve Door, waste water tank, cabinet, filler, microcontroller, display, formaldehyde sensor, the cabinet side bottom setting air enter Mouthful, air pump, waste water tank are placed in the cabinet lower part, and the air pump output end is connect by non-return valve with distributor input terminal, institute It states dispenser output end to connect with multiple nano bubble disks respectively by multichannel admission line, the nano bubble disk is arranged net Change water tank bottom, the cleaned water tank is placed on the partition in the middle part of cabinet, and the cleaned water tank is provided with air cleaning water, The water level sensor is mounted in the air cleaning water in cleaned water tank, and fan, outlet air is arranged in the cleaned water tank top Mouthful, wherein fan air-out direction is to firmly air outlet.
Preferably, formaldehyde sensor is installed at the air intake.
Preferably, the cleaned water tank bottom is connected to the waste water tank that cleaned water tank lower part is arranged in by Draw off valve.
Preferably, the cabinet top also sets up microcontroller, display, the microcontroller and air pump, level sensor Device, formaldehyde sensor, display electrical connection.
Preferably, filler is arranged in the enclosure top, and the filler is communicated to cleaned water tank by pipeline.
Preferably, the air intake installs air filter.
Preferably, the air pump uses the super-silent high-power air pump of ACO30 type.
Preferably, the formaldehyde sensor uses SDS011 type laser formaldehyde sensor module.
Preferably, the microcontroller uses 32 ARM microcontrollers of SMT32F103 type.
The beneficial effects of the present invention are:
1. utilizing physical method --- ablution, the air after washing does not have any remaining chemical substance, will not influence human body Health.
2. making air-flow form high velocity turbulent flow using air pump and nano bubble disk, cleaning effect is improved.
3. water for cleaning is noncirculating water, avoid wasting, and low in cost.
4. the present invention has the function of humidification to the air of purification.
5. system cost and operating cost are low, are suitble to range wide, easy to use.
6. the present invention will not cause secondary pollution to environment.
It is described further below with reference to technical effect of the attached drawing to design of the invention, specific structure and generation, with It is fully understood from the purpose of the present invention, feature and effect.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
Remove formaldehyde indoor air-humidification cleaning machine as shown in Figure 1, a kind of, including air intake 1, air pump 2, non-return valve 3, point Orchestration 4, admission line 5, nano bubble disk 6, water level sensor 7, cleaned water tank 8, fan 9, air outlet 10, Draw off valve 11, Waste water tank 12, cabinet 13, filler 14, microcontroller 15, display 16, formaldehyde sensor 17, the setting of 13 side bottom of cabinet Air pump 2, waste water tank 12 are placed in air intake 1,13 lower part of cabinet, and 2 output end of air pump passes through non-return valve 3 and 4 input terminal of distributor Connection, 4 output end of distributor are connect with multiple nano bubble disks 6 respectively by multichannel admission line 5, and nano bubble disk 6 is arranged In 8 bottom of cleaned water tank, cleaned water tank 8 is placed on the partition at 13 middle part of cabinet, and cleaned water tank 8 is provided with air cleaning water 18, water level sensor 7 is mounted on the air cleaning in cleaned water tank 8 in water 18, and fan 9, outlet air is arranged in 8 top of cleaned water tank Mouth 10, wherein 9 air-out direction of fan is to firmly air outlet 10.
Wherein, formaldehyde sensor 17 is installed at air intake 1.8 bottom of cleaned water tank is connected to by Draw off valve 11 and is set Set the waste water tank 12 in 8 lower part of cleaned water tank.13 top of cabinet also sets up microcontroller 15, display 16, microcontroller 15 with Air pump 2, water level sensor 7, formaldehyde sensor 17, display 16 are electrically connected.Filler 14, filler 14 is arranged in enclosure top Cleaned water tank 8 is communicated to by pipeline.Air intake 1 installs air filter.Air pump 2 is super-silent high-power using ACO30 type Air pump.Formaldehyde sensor 17 uses SDS011 type laser formaldehyde sensor module.Microcontroller 15 uses 32, SMT32F103 type ARM microcontroller.
As shown in Figure 1, installing air filter in air intake 1, primary filtration is carried out to the air of entrance, in order to avoid influence The service life of air pump.
Air pump 2 promotes admission pressure to 0.035Mpa, through non-return valve 3, distributor 4 and admission line 5 and 6 phase of bubble dish Connection.Air pump uses the super-silent high-power air pump of ACO30 type, and capacity is up to 60L/min, power 50W, and noise is less than 40dB。
Non-return valve 3 prevents the water in water tank 8 from flowing into air pump 2, avoids the damage of air pump 2.The present invention can also be used and be put Water curved mounting means avoids air pump from intaking.
4 input terminal of distributor is connected by non-return valve 3 with air pump 2, and the air-flow that air pump 2 is sent is divided into 4 road output ends. 4 ~ 8 road output end gas pipelines of distributor 4 are connected with 4 ~ 8 bubble dishes 6 respectively.Valve is equipped on distributor 4, for closing Close the output end not used.
The features such as admission line 5 uses silicone tube, has flexibility good, free from extraneous odour, long service life.
Nano bubble disk 6 is placed on the bottom of water tank 8, for the gas in pipeline to be formed bubble.Bubble dish is using high Density refines nano bubble disk.After the injection of nano bubble disk 6, the water of the large Reynold number encountered is formed powerful high pressure gas Gas swirl captures formaldehyde molecule in gas by water rapidly.Hereafter, gas swirl becomes the bubble of ultra-dense, greatly increases The contact area of air and water, captures formaldehyde molecule in gas further by water rapidly.Bubble by the effect of buoyancy from The bottom of water tank rises to the water surface.Formalin concentration does not have volatility lower than 10% in confined space, and bubble leaves water It is purified to finish behind face, do not have residues of formaldehyde.
The air of purification is blowed to indoor distant place by air outlet 10 by fan 9, promotes the flowing of room air, is improved net Change effect.What the present invention used makes axial flow blower, has the advantage that wind-force is big, noise is small.It can also be with during user's sleep Fan is closed.
In purification process, due to the reciprocation between air-flow and water, surrounding fluid volume is sucked in, humidification is played Effect.In humidification, water does not get into the air not instead of in liquid form, gets into the air in a gaseous form, thus People will not feel indoor moisture, and indoor article will not be caused mouldy.Comfortable living environment is built for user.
Air cleaning water 18 can use pure water or tap water, and a small amount of edible salt, vinegar etc. can also be added, and come Clean-up effect is improved, and plays the role of carrying out disinfection to air.
Cleaned water tank 8 is made of food grade plastic, aluminium alloy or stainless steel, and this material but not to air does not cause two Secondary pollution can also be played the role of reducing noise, and 8 upper cover of cleaned water tank is directly communicated with atmosphere.
Water level sensor 7 is mounted in the water of water tank, and when water level decreasing is to preset value, water level sensor is to microcontroller 15 issue signal.Microcontroller 15 is proposed to user plus water standby signal, and stops the operation of air pump.
Formaldehyde sensor 17 is mounted at air inlet 1.The present invention uses SDS011 type laser formaldehyde sensor module.The mould Block is with uniformity good, and precision height can be as accurate as the advantages such as units.The data of sensor output are directly exactly and official is single The consistent ug/m3 concentration in position.Powering on just has data output, and use is very simple.
Microcontroller 15 is responsible for the control task of whole system.Microcontroller 15 and formaldehyde sensor 17 and water level sensor 7 connections.When the concentration of formaldehyde of inlet gas is less than setting value, microcontroller closes air pump, stops purification.It is set when water level is lower than When setting value, microcontroller closes air pump, and proposes to add water standby signal to user.In addition, microcontroller PARA FORMALDEHYDE PRILLS(91,95) data carry out Integral, when integrated value reaches preset value, microcontroller, which issues the user with, changes water prompt.
The present invention uses 32 ARM microcontrollers of SMT32F103 type, which is that STMicw Electronics (ST) company goes out Product, kernel are Cortex-M3.Integrated chip timer, CAN, ADC, SPI, I2C, USB, UART, etc. multiple functions, highest Application of the working frequency up to 72MHz, particularly suitable for air cleaning, heating ventilation, air-conditioning system etc..
Air cleaning water is replaced convenient for user in Draw off valve 11, waste water tank 12 and filler 14, and the present invention is using artificial The mode of water is changed, convenient for the installation and movement of system.Cost is also reduced simultaneously.
The beneficial effects of the present invention are:
1. utilizing physical method --- ablution, the air after washing does not have any remaining chemical substance, will not influence human body Health.
2. making air-flow form high velocity turbulent flow using air pump and nano bubble disk, cleaning effect is improved.
3. water for cleaning is noncirculating water, avoid wasting, and low in cost.
4. the present invention has the function of humidification to the air of purification.
5. system cost and operating cost are low, are suitble to range wide, easy to use.
6. the present invention will not cause secondary pollution to environment.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea Technical solution, all should be within the scope of protection determined by the claims.

Claims (9)

1. one kind removes formaldehyde indoor air-humidification cleaning machine, it is characterised in that: including air intake (1), air pump (2), non-return valve (3), distributor (4), admission line (5), nano bubble disk (6), water level sensor (7), cleaned water tank (8), fan (9), go out Air port (10), Draw off valve (11), waste water tank (12), cabinet (13), filler (14), microcontroller (15), display (16), Air intake (1) is arranged in formaldehyde sensor (17), cabinet (13) side bottom, and air pump is placed in cabinet (13) lower part (2), waste water tank (12), air pump (2) output end are connect by non-return valve (3) with distributor (4) input terminal, the distributor (4) output end is connect with multiple nano bubble disks (6) respectively by multichannel admission line (5), nano bubble disk (6) setting In cleaned water tank (8) bottom, the cleaned water tank (8) is placed on the partition in the middle part of cabinet (13), in the cleaned water tank (8) Equipped with air cleaning with water (18), the water level sensor (7) is mounted on the air cleaning in cleaned water tank (8) with water (18) In, fan (9), air outlet (10) are arranged in cleaned water tank (8) top, and wherein fan (9) air-out direction is to firmly air outlet (10).
2. as described in claim 1 a kind of except formaldehyde indoor air-humidification cleaning machine, it is characterised in that: the air intake (1) formaldehyde sensor (17) are installed at.
3. as described in claim 1 a kind of except formaldehyde indoor air-humidification cleaning machine, it is characterised in that: the cleaned water tank (8) bottom is connected to setting in the waste water tank (12) of cleaned water tank (8) lower part by Draw off valve (11).
4. as described in claim 1 a kind of except formaldehyde indoor air-humidification cleaning machine, it is characterised in that: on the cabinet (13) Portion also sets up microcontroller (15), display (16), the microcontroller (15) and air pump (2), water level sensor (7), formaldehyde Sensor (17), display (16) electrical connection.
5. as described in claim 1 a kind of except formaldehyde indoor air-humidification cleaning machine, it is characterised in that: the enclosure top is set It sets filler (14), the filler (14) is communicated to cleaned water tank (8) by pipeline.
6. as described in claim 1 a kind of except formaldehyde indoor air-humidification cleaning machine, it is characterised in that: the air intake (1) air filter is installed.
7. as described in claim 1 a kind of except formaldehyde indoor air-humidification cleaning machine, it is characterised in that: the air pump (2) is adopted With the super-silent high-power air pump of ACO30 type.
8. as described in claim 1 a kind of except formaldehyde indoor air-humidification cleaning machine, it is characterised in that: the formaldehyde sensor (17) SDS011 type laser formaldehyde sensor module is used.
9. as described in claim 1 a kind of except formaldehyde indoor air-humidification cleaning machine, it is characterised in that: the microcontroller (15) 32 ARM microcontrollers of SMT32F103 type are used.
CN201811529001.XA 2018-12-13 2018-12-13 One kind removing formaldehyde indoor air-humidification cleaning machine Pending CN109442631A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811529001.XA CN109442631A (en) 2018-12-13 2018-12-13 One kind removing formaldehyde indoor air-humidification cleaning machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811529001.XA CN109442631A (en) 2018-12-13 2018-12-13 One kind removing formaldehyde indoor air-humidification cleaning machine

Publications (1)

Publication Number Publication Date
CN109442631A true CN109442631A (en) 2019-03-08

Family

ID=65558698

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811529001.XA Pending CN109442631A (en) 2018-12-13 2018-12-13 One kind removing formaldehyde indoor air-humidification cleaning machine

Country Status (1)

Country Link
CN (1) CN109442631A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004298718A (en) * 2003-03-31 2004-10-28 Daiwa House Ind Co Ltd Removal system for harmful chemical substance such as formaldehyde
CN204063318U (en) * 2014-07-08 2014-12-31 武丙太 A kind of water-washing type air purification humidifier
CN104296282A (en) * 2014-10-08 2015-01-21 上海应用技术学院 Aquarium type health air-conditioning system
CN105650759A (en) * 2016-03-22 2016-06-08 武汉华易达电力设备有限公司 Multifunctional formaldehyde removal humidification purifier
CN207455757U (en) * 2017-10-09 2018-06-05 赫荣光 Washing is except formaldehyde multifunctional new wind clarifier
CN108413482A (en) * 2017-02-09 2018-08-17 上海健康医学院 A kind of method of ultrasonic wave air cleaning machine and its scavenging air

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004298718A (en) * 2003-03-31 2004-10-28 Daiwa House Ind Co Ltd Removal system for harmful chemical substance such as formaldehyde
CN204063318U (en) * 2014-07-08 2014-12-31 武丙太 A kind of water-washing type air purification humidifier
CN104296282A (en) * 2014-10-08 2015-01-21 上海应用技术学院 Aquarium type health air-conditioning system
CN105650759A (en) * 2016-03-22 2016-06-08 武汉华易达电力设备有限公司 Multifunctional formaldehyde removal humidification purifier
CN108413482A (en) * 2017-02-09 2018-08-17 上海健康医学院 A kind of method of ultrasonic wave air cleaning machine and its scavenging air
CN207455757U (en) * 2017-10-09 2018-06-05 赫荣光 Washing is except formaldehyde multifunctional new wind clarifier

Similar Documents

Publication Publication Date Title
CN203848442U (en) Fresh air machine with air purification function
CN202700315U (en) Air purification device
CN210197520U (en) Intelligent atomization-containing air purifier
CN205481337U (en) Vertical interior machine of new trend function air purification humidification air conditioning of taking
CN212842079U (en) Multifunctional air purifying device
CN103925645A (en) Indoor air purifying and filtering device
CN201194950Y (en) Multifunctional air purifier
CN106979553A (en) A kind of vertical band fresh air function air-purifying humidification indoor apparatus of air conditioner
CN210320400U (en) Humidification type large-air-volume negative ion air purifier
CN209295304U (en) A kind of new blower with humidification function
CN109442631A (en) One kind removing formaldehyde indoor air-humidification cleaning machine
CN208312573U (en) A kind of indoor air-purification device
CN208124501U (en) A kind of strength air-out type air purifier
CN206291315U (en) A kind of wall-mounted fresh-air purifying equipment
CN207132513U (en) A kind of new blower fan with bactericidal purifying function
CN205481452U (en) New trend function air purification humidification device is taken to family expenses
CN205119276U (en) Include intelligent air purifier of humidification system
CN201772569U (en) Pairing air purification exchanging machine system
CN209325996U (en) A kind of daily life Portable humidifier
CN206809955U (en) The used filter device of new blower fan
CN208398267U (en) A kind of novel and multifunctional cabinet type clarifier
CN111237919A (en) Novel indoor bacterium killer in two districts
CN205913667U (en) Nasal cavity dust removal humidification ware of dosing
CN2387424Y (en) Anion inlet device
CN210267555U (en) Ultrasonic anion humidifier with air purification adsorbs function

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190308