CN104508388B - PM2.5 scavenger fan devices - Google Patents

PM2.5 scavenger fan devices Download PDF

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Publication number
CN104508388B
CN104508388B CN201380030733.3A CN201380030733A CN104508388B CN 104508388 B CN104508388 B CN 104508388B CN 201380030733 A CN201380030733 A CN 201380030733A CN 104508388 B CN104508388 B CN 104508388B
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China
Prior art keywords
water
shutter
cascade
air
motor
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CN201380030733.3A
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CN104508388A (en
Inventor
冯林
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Dushi (Shanghai) science and Technology Service Center
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黄种继
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
    • 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
    • F24F8/117—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 using wet filtering
    • F24F8/133—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 using wet filtering by direct contact with liquid, e.g. with sprayed liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/002—Axial flow fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
    • F04D25/14—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures and having shutters, e.g. automatically closed when not in use
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/705—Adding liquids
    • 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
    • F24F13/18—Air-flow control members, e.g. louvres, grilles, flaps or guide plates specially adapted for insertion in flat panels, e.g. in door or window-pane
    • 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
    • F24F8/117—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 using wet filtering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F24F2006/001—Air-humidification, e.g. cooling by humidification using a water curtain
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ventilation (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Separation Of Particles Using Liquids (AREA)

Abstract

A kind of PM2.5 scavenger fan devices,Including filter device (1),Shell (2) and controller (3),Filter device (1) includes Double-way exhaust-fan (37),Shutter (8),Water pump (6) and cascade nozzle (7),Shutter (8) is equipped with filtering cascade (20),Controller (3) can control motor (4) forward or reverse of Double-way exhaust-fan (37),Outdoor fresh air is pumped into interior when motor (4) rotates forward,Room air is discharged to outdoor when motor (4) inverts,Filtering cascade (20) filtering of shutter (8) is first passed through when fresh air is got in,The dust and PM2.5 of outdoor air are absorbed using filtering cascade (20),It replaces and purifies the air of a room to achieve the purpose that,Simultaneously,Thimerosal can be added to make it have the function of disinfection fresh air in filtering cascade (20).

Description

PM2.5 scavenger fan devices
Technical field
The present invention relates to a kind of scavenger fan device, especially a kind of PM2.5 ventilation fans being absorbed PM2.5 using cascade are filled It sets.
Background technology
Currently, air pollution getting worse, the air PM2.5 indexes in many places are often in non-good state, one A little places reach intermediate pollution, some indoor spaces are even up to serious pollution, influence the health of people, a kind of interior The PM2.5 scavenger fan devices used have become the needs that people purify the air of a room.
Invention content
The purpose of the present invention is overcoming the deficiencies of the prior art and provide a kind of PM2.5 scavenger fan devices, in absorption chamber Dust and PM2.5, purify indoor air.
The technical solution adopted in the present invention is：PM2.5 scavenger fan devices include filter device, shell and control Device；Filter device includes Double-way exhaust-fan, water pump, cascade nozzle and shutter, Double-way exhaust-fan include motor and Fan blade, shell are equipped with air inlet and outlet and water tank, and the engine base of motor is fixedly connected with shell, the front axle and fan blade of motor It is fixedly connected, the rear axle of motor is connect with single-direction transmission shaft coupling, and single-direction transmission shaft coupling is fixedly connected with the shaft of water pump, water The outer shell base of pump is fixedly connected with shell；When motor rotates forward, water pump is driven to rotate forward, when motor reversal, due to single-direction transmission shaft coupling Device only has the function of single-direction transmission, water pump not to rotate；Shutter is located at air outlet, shutter and cage connection, cascade nozzle position In the top of shutter, water tank is located at the lower part of shutter, and the water outlet of cascade nozzle and water pump connects, the water inlet of water pump with The water tank of shell connects；Water tank was equipped with drainage, for generate filtering cascade, shutter be equipped with filtering cascade, filtering cascade by Cascade nozzle sprays, and the filtering cascade that cascade nozzle sprays flows into water tank through shutter；Water tank is equipped with entering water electromagnetic valve and water Bit switch, entering water electromagnetic valve are connect with running water pipe, for being automatically replenished water to water tank；Controller be equipped with control line and motor, Entering water electromagnetic valve and water level switch connection；Water tank is equipped with water filter and thimerosal injection device, and water filter is for net Changed drainage, thimerosal injection device is used to inject thimerosal to drainage excessively.
PM2.5 scavenger fan devices are in use, PM2.5 scavenger fan devices are installed in the wall hole in room, and make shell Air outlet be located at indoor side, air inlet is located outside side, its filter device is controlled directly indoor using controller Air is discharged to outdoor, then, introduces interior after outdoor fresh air is filtered by its filter device, so constantly follows Ring；When by outdoor introducing fresh air, controller controls motor and rotates forward, and motor drives fan blade and water pump to rotate forward, the mistake of water tank Drainage is evacuated to cascade nozzle by water pump, and shutter is sprayed onto by cascade nozzle, crosses drainage from the overhead stream of shutter to lower part, filters Water is in shutter shape at a filtering cascade；Meanwhile fan blade rotates forward, and outdoor fresh air is pumped by air inlet, fresh sky Gas is got in after the filtering of the filtering cascade of shutter by air outlet, and the dust in fresh air is absorbed using filtering cascade And PM2.5；The introducing fresh air time arrives, and controller controls motor reversal, and single-direction transmission shaft coupling can not invert transmission and make With water pump does not rotate, and motor only drives fan blade to invert, and indoor air is entered by air outlet, is arranged through shutter and air inlet To outdoor, indoor air is discharged to outdoor；So constantly recycle.
The beneficial effects of the invention are as follows：PM2.5 scavenger fan devices are equipped with filter device, and filter device is equipped with bi-directional venting Fan, shutter, water pump and cascade nozzle, shutter are equipped with filtering cascade, the motor of Double-way exhaust-fan are controlled using controller Indoor air, is discharged to outdoor by reversion；The motor that Double-way exhaust-fan is controlled using controller is rotated forward, outdoor fresh sky Gas is pumped into indoor, and the filtering cascade filtering of shutter is first passed through when fresh air is got in, using filtering cascade absorption chamber outside The dust and PM2.5 of air are replaced and are purified the air of a room to achieve the purpose that；Meanwhile it being added in filtering cascade Thimerosal makes filtering cascade have the function of sterilizing fresh air.
Description of the drawings
Fig. 1 is the structural schematic diagram of PM2.5 scavenger fan devices.
Specific implementation mode
The present invention is further detailed below in conjunction with the accompanying drawings：
The structural schematic diagram of PM2.5 scavenger fan devices shown in FIG. 1, PM2.5 scavenger fan devices include filter device 1, Shell 2 and controller 3；Filter device 1 includes Double-way exhaust-fan 37, water pump 6, cascade nozzle 7 and shutter 8, two-way Exhaust fan 37 includes motor 4 and fan blade 5, and shell 2 is equipped with air inlet 9, air outlet 10 and water tank 11, the engine base of motor 4 12 are fixedly connected with shell 2, and the front axle 13 of motor 4 is fixedly connected with fan blade 5, the rear axle 14 and single-direction transmission shaft coupling of motor 4 15 connections, single-direction transmission shaft coupling 15 are fixedly connected with the shaft 16 of water pump 6, and the outer shell base 38 of water pump 6 is fixed with shell 2 to be connected It connects, when motor 4 rotates forward, water pump 6 is driven to rotate forward, when motor 4 inverts, since single-direction transmission shaft coupling 15 only has the work(of single-direction transmission Can, water pump 6 does not rotate；Shutter 8 is located at air outlet 10, and shutter 8 is connect with shell 2, and cascade nozzle 7 is located at shutter 8 Top, water tank 11 are located at the lower part of shutter 8, and cascade nozzle 7 is connect with the water outlet 17 of water pump 6, the water inlet 18 of water pump 6 with The water tank 11 of shell 2 connects；Water tank 11 was equipped with drainage 19, and shutter 8 is equipped with filtering cascade 20；Water tank 11 is equipped with water inlet electromagnetism Valve 25 and water level switch 26, entering water electromagnetic valve 25 are connect with running water pipe, for being automatically replenished water to water tank 11；Controller 3 It is connect with motor 4, entering water electromagnetic valve 25 and water level switch 26 equipped with control line；Water tank 11 is equipped with water filter 24 and disinfection Liquid injection device 33, water filter 24 are used for purifying filtered water 19, and thimerosal injection device 33 is used to disappear to the injection of drainage 19 excessively Venom；Air inlet 9 is equipped with safety net 36, for preventing foreign matter from entering in shell 2.
Drainage 19 is crossed in order to prevent to get in, between shutter 8 and air outlet 10 be equipped with water proof net 21, for be isolated by The water that shutter 8 enters, water proof net 21 are located at 10 the inside of air outlet, and water proof net 21 is connect with shell 2；It is absorbed by water proof net 21 Drainage 19 is crossed by 21 reflow tank 11 of water proof net.
For purifying filtered water 19, water tank 11 includes foul water tank 22 and clear water tanks 23, foul water tank 22 and clear water tanks 23 Between be equipped with water filter 24, cross drainage 19 for circularly purifying, drainage 19 crossed by what shutter 8 absorbed dust and PM2.5, Foul water tank 22 is flowed to by shutter 8, clear water tanks 23 is flowed to after the filtering of water filter 24, recycles.
In order to control the water level of water tank 11 and supplement water to water tank 11, water tank 11 is equipped with entering water electromagnetic valve 25 and water level Switch 26, controller 3 are connect equipped with conducting wire with entering water electromagnetic valve 25 and water level switch 26, the water supply connector of entering water electromagnetic valve 25 27 connect with tap water, and the water outlet connector 28 of entering water electromagnetic valve 25 is connect with clear water tanks 23.
Filtering cascade 20 is formed in order to be implemented on shutter 8, shutter 8 is equipped with multiple blades 29, between each blade 29 There are gap, filtering cascade 20 flows to the last one blade 31 by first blade 30 on 8 top of shutter, each blade 29 it Between formed a gap cascade 32, filtering cascade 20 be made of multiple gap cascades 32, each gap cascade 32 be located at it is adjacent Between blade 29.
In order to make drainage 19 have the function of that disinfection, water tank 11 are connected with thimerosal injection device 33, thimerosal injection Device 33 includes hopper 34 and pipeline 35, and hopper 34 is connected to pipeline 35, and pipeline 35 is connected to water tank 11, leakage Bucket 34 is located at 10 side of air outlet, for thimerosal to be imported water tank 11, drainage 19 is made to have the function of sterilizing and sterilize.
In order to implement Double-way exhaust-fan 37 exhaust and pumping function, fan blade 5 be bidirectional axial flow fan blade, by shell 2 with And the air inlet 9 and air outlet 10 of shell 2 constitute an axis stream air passage, when motor 4 rotates forward, the flow direction of wind is by entering the wind Mouth 9 flows to air outlet 10, and when motor 4 inverts, the flow direction of wind is to flow to air inlet 9 by air outlet 10.
In order to reinforce filtering the filter effect of cascade 20, shutter 8 is staged shutter, each blade of shutter 8 29 constitute a ladder with blade 29 adjacent and above, and the distance of each blade 29 to air outlet 10 is more than a leaf adjacent and above Piece 29 arrives the distance of air outlet 10；Each blade 29 forms a gap cascade 32, each gap with blade 29 adjacent and above The distance of cascade 32 to air outlet 10 is more than the distance that gap cascade 32 adjacent and above arrives air outlet 10, multiple 32 structures of gap cascade At stepped filtering cascade 20, allow fresh air by filtering cascade 20, while filtering cascade 20 also being made to be not easy by wind It dispels, keeps its filter effect.
The operation principle of PM2.5 scavenger fan devices is：In use, PM2.5 scavenger fan devices to be installed on to the wall in room On, and the air outlet 10 of shell 2 is made to be located at indoor side, air inlet 9 is located outside side, its filtering is controlled using controller 3 Indoor air is directly discharged to interior by device 1, then, is drawn after outdoor fresh air is filtered by its filter device 1 Enter interior, so constantly recycles；When by outdoor introducing fresh air, controller 3 controls motor 4 and rotates forward, and motor 4 drives fan blade 5 And water pump 6 rotates forward, the drainage 19 of crossing of water tank 11 is evacuated to cascade nozzle 7 by water pump 6, and shutter 8, mistake are sprayed onto by cascade nozzle 7 Drainage 19 crosses drainage 19 and forms a filtering cascade 20 in shutter 8 from the overhead stream of shutter 8 to lower part；Meanwhile fan blade 5 It rotates forward, outdoor fresh air is pumped by air inlet 9, fresh air is after the filtering cascade 20 of shutter 8 filters by going out Air port 10 is got in, and dust and PM2.5 in fresh air are absorbed using filtering cascade 20；Room is discharged in indoor air When interior, controller 3 controls motor 4 and inverts, and single-direction transmission shaft coupling 15 can not invert gearing, and water pump 6 does not rotate, motor 4 Only fan blade 5 is driven to invert, indoor air is entered by air outlet 10, and room air is discharged to outdoor by shutter 8 through air inlet 9.
Shutter 8 in order to be implemented on air inlet 9 forms filtering cascade 20, and the dust of air is absorbed using filtering cascade 20 And PM2.5, the flow direction for the filtering cascade 20 that cascade nozzle 7 sprays is that the lower part of shutter 8 is flowed to by the top of shutter 8, Water tank 11 is flowed by the lower part of shutter 8 again；Outdoor fresh air is pumped by air inlet 9, by shutter 8 blade 29 with After gap cascade 32 between blade 29 filters, get in.
In order to control motor 4 rotate forward and reversion time, controller 3 be equipped with the time relay, control motor 4 rotate forward with And the time of reversion, the ratio of the time of time and reversion that motor 4 rotates forward are 4:1.
In order to control the water level of water tank 11, when the water level of water tank 11 is less than the position of water level switch 26, water level switch 26 will Its signal transmission controls entering water electromagnetic valve 25 and opens to controller 3, controller 3, and tap water enters water tank 11；The water level of water tank 11 Higher than water level switch 26 position when, water level switch 26 transmits a signal to device 3 processed, and controller 3 controls entering water electromagnetic valve 25 and closes It closes, water inlet stops.

Claims (7)

1.PM2.5 scavenger fan devices include filter device (1), shell (2) and controller (3)；Filter device (1) includes It includes motor (4) to have Double-way exhaust-fan (37), water pump (6), cascade nozzle (7) and shutter (8), Double-way exhaust-fan (37) And fan blade (5), shell (2) are equipped with air inlet (9), air outlet (10) and water tank (11), the engine base (12) of motor (4) with it is outer Shell (2) is fixedly connected, and the front axle (13) of motor (4) is fixedly connected with fan blade (5), the rear axle (14) and single-direction transmission of motor (4) Shaft coupling (15) connects, and single-direction transmission shaft coupling (15) connection is fixedly connected with the shaft (16) of water pump (6), outside water pump (6) Shell block (38) is fixedly connected with shell (2), when motor (4) rotates forward, water pump (6) is driven to rotate forward, when motor (4) inverts, due to list Only have the function of single-direction transmission, water pump (6) not to rotate to transmission coupling (15)；Shutter (8) is located at air outlet (10), blinds Window (8) is connect with shell (2), and cascade nozzle (7) is located at the top of shutter (8), and water tank (11) is located under shutter (8) Portion, cascade nozzle (7) are connect with the water outlet (17) of water pump (6), the water tank of the water inlet (18) and shell (2) of water pump (6) (11) it connects；Water tank (11) was equipped with drainage (19), and shutter (8) is equipped with filtering cascade (20), and water tank (11) is equipped with into water power Magnet valve (25) and water level switch (26)；Controller (3) is equipped with control line and motor (4), entering water electromagnetic valve (25) and water level Switch (26) connection；Water tank (11) is equipped with water filter (24) and thimerosal injection device (33)；
It is characterized in that：The operation principle of the PM2.5 scavenger fan devices is：In use, PM2.5 scavenger fan devices are installed In on the wall in room, and the air outlet (10) of shell (2) is made to be located at indoor side, air inlet (9) is located outside side, utilizes Controller (3) controls its filter device (1) and indoor air is directly discharged to interior, and then, outdoor fresh air is led to Indoor, so continuous cycle is introduced after crossing the filtering of its filter device (1)；When by outdoor introducing fresh air, controller (3) control Motor (4) rotates forward, and motor (4) drives fan blade (5) and water pump (6) to rotate forward, and the drainage (19) of crossing of water tank (11) is taken out by water pump (6) To cascade nozzle (7), shutter (8) is sprayed onto by cascade nozzle (7), crosses drainage (19) from the overhead stream of shutter (8) to lower part, It crosses drainage (19) and forms a filtering cascade (20) in shutter (8)；Meanwhile fan blade (5) rotates forward, by outdoor fresh air by Air inlet (9) is pumped into, and fresh air is got in after the filtering of the filtering cascade (20) of shutter (8) by air outlet (10), The dust and PM2.5 in fresh air are absorbed using filtering cascade (20)；When indoor air is discharged indoor, controller (3) control motor (4) inverts, and single-direction transmission shaft coupling (15) reversion does not work, and water pump (6) does not rotate, and motor (4) only drives Fan blade (5) inverts, and indoor air is entered by air outlet (10), and room air is discharged to room by shutter (8) through air inlet (9) Outside；
Shutter (8) is staged shutter, and each blade (29) of shutter (8) constitutes one with blade (29) adjacent and above A ladder, the distance of each blade (29) to air outlet (10) be more than adjacent and above blade (29) to air outlet (10) away from From；Each blade (29) and blade (29) adjacent and above form a gap cascade (32), and each gap cascade (32) is to going out The distance in air port (10) is more than the distance that gap cascade (32) adjacent and above arrives air outlet (10), and multiple gap cascades (32) are constituted Stepped filtering cascade (20).
2. PM2.5 scavenger fan devices according to claim 1, it is characterised in that：The mistake that the cascade nozzle (7) sprays The flow direction of drainage curtain (20) is the lower part of shutter (8) to be flowed to by the top of shutter (8), then flowed by the lower part of shutter (8) Enter water tank (11).
3. PM2.5 scavenger fan devices according to claim 1, it is characterised in that：The controller (3) be equipped with the time after Electric appliance, control motor (4) rotates forward and the time of reversion.
4. PM2.5 scavenger fan devices according to claim 3, it is characterised in that：The time that the motor (4) rotates forward with The ratio of the time of reversion is 4:1.
5. PM2.5 scavenger fan devices according to claim 1, it is characterised in that：The water level of the water tank (10) is less than When the position of water level switch (26), its signal transmission is given controller (3), controller (3) to control into water power by water level switch (26) Magnet valve (25) is opened, and tap water enters water tank (11)；When the water level of water tank (11) is higher than the position of water level switch (26), water level is opened It closes (26) and transmits a signal to device processed (3), controller (3) controls entering water electromagnetic valve (25) and closes, and water inlet stops.
6. PM2.5 scavenger fan devices according to claim 1, it is characterised in that：The described outdoor fresh air by into Air port (9) is pumped into, after the gap cascade (32) between the blade (29) of shutter (8) and blade (29) filters, into entering the room It is interior.
7. PM2.5 scavenger fan devices according to claim 1, it is characterised in that：It is described to be absorbed by water proof net (21) Drainage (19) is crossed by water proof net (21) reflow tank (11).
CN201380030733.3A 2013-04-27 2013-11-13 PM2.5 scavenger fan devices Active CN104508388B (en)

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Application Number Priority Date Filing Date Title
CN201380030733.3A CN104508388B (en) 2013-04-27 2013-11-13 PM2.5 scavenger fan devices

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201310175127.2A CN103322638B (en) 2013-04-27 2013-04-27 PM2.5 scavenger fan device
CN2013101751272 2013-04-27
CN201380030733.3A CN104508388B (en) 2013-04-27 2013-11-13 PM2.5 scavenger fan devices
PCT/CN2013/087017 WO2014173109A1 (en) 2013-04-27 2013-11-13 Pm2.5 ventilation fan device

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Publication Number Publication Date
CN104508388A CN104508388A (en) 2015-04-08
CN104508388B true CN104508388B (en) 2018-10-26

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WO (1) WO2014173109A1 (en)

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CN104508388A (en) 2015-04-08
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CN103322638A (en) 2013-09-25

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