CN206469437U - Electric supply installation and new blower fan for new blower fan - Google Patents

Electric supply installation and new blower fan for new blower fan Download PDF

Info

Publication number
CN206469437U
CN206469437U CN201720144302.5U CN201720144302U CN206469437U CN 206469437 U CN206469437 U CN 206469437U CN 201720144302 U CN201720144302 U CN 201720144302U CN 206469437 U CN206469437 U CN 206469437U
Authority
CN
China
Prior art keywords
blower fan
new blower
air
controller
supply installation
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.)
Active
Application number
CN201720144302.5U
Other languages
Chinese (zh)
Inventor
王文鹏
大森宏
岳宝
王秋艳
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.)
Midea Group Co Ltd
Original Assignee
Midea Group Co Ltd
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 Midea Group Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201720144302.5U priority Critical patent/CN206469437U/en
Application granted granted Critical
Publication of CN206469437U publication Critical patent/CN206469437U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The utility model is related to air-treatment field, discloses a kind of electric supply installation and new blower fan for new blower fan.The electric supply installation includes:Reserve battery and controller;The controller is connected with the reserve battery, for controlling the reserve battery to be powered for the new blower fan in the case of the power-off of the external power supply of the new blower fan.The new blower fan includes above-mentioned electric supply installation.Thereby, realize intelligent control to power for new blower fan so that new blower fan work is more reliable.

Description

Electric supply installation and new blower fan for new blower fan
Technical field
The utility model is related to air-treatment field, in particular it relates to a kind of electric supply installation and fresh air for new blower fan Machine.
Background technology
Atmosphere polluting problem has increasingly been highlighted in today's society, the healthy of people is seriously endangered, in order to tackle The atmosphere polluting problem gone from bad to worse, all kinds of air processors are widely used in family, office building, hospital, school etc., its Middle aeration device is to apply a kind of air processor stronger than wide, practicality.
Product is main based on central VMC in current fresh air industry, and the system includes being installed on the new of indoor top Wind main frame and blast pipe and discharge pipe, foul indoor air discharge interior through discharge pipe, and outdoor fresh air exists through blast pipe Purification feeding is carried out in fresh air main frame indoor.The power consumption of most new blower fan each group into module is larger, can only be by external Power supply is powered, and new blower fan can not then work in the case of external power supply power-off.
Utility model content
The purpose of this utility model is to provide a kind of electric supply installation and new blower fan for new blower fan, and it can realize intelligent control It is made as new blower fan to power so that the work of new blower fan is more reliable.
To achieve these goals, one side of the present utility model provides a kind of electric supply installation for new blower fan, the confession Electric installation includes:Reserve battery and controller;Controller is connected with reserve battery, for the external power supply power-off in new blower fan In the case of control reserve battery to power for new blower fan.
Alternatively, electric supply installation also includes:Power supply adaptor, is connected with controller, for the voltage of external power supply to be turned The applicable voltage of controller is turned to power to controller.
Alternatively, the electric supply installation also includes detection module, is connected with controller, for detecting whether controller comes from In the electric current of power supply adaptor;Controller is additionally operable to detect the electricity that controller does not come from power supply adaptor in detection module Detect whether the switch of new blower fan is in opening and is controlled in the case where switch is in opening standby in the case of stream It is that controller is powered with battery.
Alternatively, reserve battery is rechargeable battery.
Alternatively, rechargeable battery is lithium battery.
In addition, another aspect of the present utility model provides a kind of new blower fan, the new blower fan includes above-mentioned electric supply installation.
Alternatively, new blower fan is embedded new blower fan.
Alternatively, the new blower fan is included in the wall pipe being flush-mounted in wall hole and the indoor body for being exposed to interior, wall pipe Fresh wind tube internal channel and indoor airduct internal channel are formed with, indoor body is taken out provided with the outlet of purification wind, indoor wind entrance and air Inhale device;Wherein, new blower fan also includes air channel switching device and air cleaning unit, and air channel switching device is used to lead with selecting a property Logical interior airduct internal channel or fresh wind tube internal channel and make new blower fan correspondingly switch operating in interior circulation pattern or outer circulation mould Formula.
Alternatively, wall pipe is to include the sleeve structure of inner and outer tubes, the ring pipe between inner tube tube chamber and inner and outer pipes One of chamber is fresh wind tube internal channel, and the axially outer end end face of fresh wind tube internal channel, which is provided with, to be used to open to introduce outdoor fresh air New air-valve, the interior shaft end connection air suction device of fresh wind tube internal channel, inner tube tube chamber is interior with the other of perimetrical lumen Being provided with the communication chamber of shaft end between wind entrance, and the axially outer end of inner tube tube chamber and the axially outer end of perimetrical lumen is used to open with phase Intercommunicated communicating valve.
Alternatively, air suction device is aerofoil fan.
By above-mentioned technical proposal, controller controls reserve battery to be new in the case of the external power supply power-off of new blower fan Blower fan is powered, and is realized intelligent control and is powered for new blower fan so that new blower fan can also be held in the case where its external power supply is powered off Continuous work, and then make it that the work of new blower fan is more reliable.
Other features and advantages of the utility model will be described in detail in subsequent embodiment part.
Brief description of the drawings
Accompanying drawing is to be further understood for providing to of the present utility model, and constitutes a part for specification, and following Embodiment be used to explain the utility model together, but do not constitute to limitation of the present utility model.In the accompanying drawings:
Fig. 1 is the structured flowchart of the electric supply installation for new blower fan provided according to embodiment of the present utility model;
Fig. 2 is the structural frames of the electric supply installation for new blower fan provided according to another embodiment of the present utility model Figure;And
Fig. 3 is the circuit corresponding relation of the electric supply installation for new blower fan provided according to embodiment of the present utility model Schematic diagram.
Fig. 4 is the sectional structure signal that a kind of Two-way Cycle of embodiment of the utility model embeds the new blower fan of wall hole formula Figure, wherein eliminating cut-away section line to clearly show that;
Fig. 5 embeds the outer circulation mode of operation and interior circulation of the new blower fan of wall hole formula for the Two-way Cycle of Fig. 4 illustrated embodiments The air flow schematic diagram of mode of operation;
Fig. 6 embeds the stereogram of the new blower fan of wall hole formula for the Two-way Cycle of Fig. 4 illustrated embodiments;
Fig. 7 is Fig. 6 left view;
Fig. 8 is Fig. 7 A-A three-dimensional cutaway views;
Fig. 9 embeds drive dynamic control device and the gear drive of the new blower fan of wall hole formula for the Two-way Cycle of Fig. 4 illustrated embodiments The schematic diagram of mechanism, the parts such as dust leg, inner tube are eliminated in order to clearly show that;
Figure 10 is the schematic diagram of the rotary drive assembly of the inner tube of Fig. 4 illustrated embodiments, is eliminated to clearly show that The parts such as fresh air flow guide sleeve;
Figure 11 is the dimensional structure diagram of the inner tube of Fig. 4 illustrated embodiments;
Figure 12 is the dimensional structure diagram of the switching interstage sleeve of Fig. 4 illustrated embodiments;
Figure 13 is the switching interstage sleeve of Fig. 4 illustrated embodiments and the combining structure schematic diagram of fresh air flow guide sleeve;
Figure 14 is the schematic diagram for the spiral flow direction for showing air stream in fresh wind tube internal channel;
Figure 15 is the schematic diagram of the type of attachment of the wire electrode of Fig. 4 illustrated embodiments;
Figure 16 is the schematic diagram of the electrode connecting structure from dust tube end;
Figure 17 is the three-dimensional mounting structure figure of the ozone filtering module in the air deduster of Fig. 4 illustrated embodiments;
Figure 18 illustrates application of the air deduster of Fig. 4 illustrated embodiments in other pipelines;
Figure 19 is the schematic diagram of the arrangement of the fresh wind tube internal channel of the utility model another embodiment;
Figure 20 is the schematic diagram that the utility model Two-way Cycle embeds wall hole formula VMC, is eliminated newly in order to which picture understands The parts such as the drive dynamic control device and high pressure generator of blower interior;
Figure 21 is the contrast effect line chart of primary purification rate of the VMC of the present utility model under different wind speed;
Figure 22 is clean-up effect and the folding of time of the VMC of the present utility model under high wind speed and low wind speed pattern Line chart;And
Figure 23 is the test effect line chart of VMC ozone cumulative amount of the present utility model.
Description of reference numerals
1 inner tube 1a bodys
1b centers block plate portion 1c outdoor ventilations mouthful
1d room ventilations mouthful 2 switch interstage sleeve
2a sleeve part 2b interstage sleeve end face disks
2c outdoor air connected entrance 2d ambient airs mouthful
2e wire electrode fixed seat 2f connection key seats
The fresh air deflector of 3 fresh air flow guide sleeve 4
The perimetrical lumen of 5 dust leg 6
Air intake passage in 7 rotatable connection set Room 8
The rotary connector of 9 air inlet pipe air intake 10
11 gear drive 11a turbine and worms mechanisms
11b driving gears the first driven gears of 11c
The drive dynamic control device of the second driven gears of 11d 12
The ozone filtering module of 13 installation frame body 14
The high pressure generator of 15 air suction device 16
17 outer covers 18 install sleeve pipe
The 19 primary primary baffle plates of filter screen 20
The buckle connecting structure of 21 electrode wires 22
The dust leg electrode points of 22a bayonet sockets 23
The water conservancy diversion flange of 24 wire electrode contact 25 first
The assembly wall of 26 second water conservancy diversion flange 27
Shaft end connecting tube in 28 axially outer end position limiting structures 29
The controller of 30 reserve battery 31
The detection module of 32 power supply adaptor 33
The interior circulation changeover module of 34 PM2.5 sensors 35
37 high-pressure electrostatic modules
The ozone sensor of 141 electronic control module 142
171 change the grill cover of valve 172
Air intake in air intake B rooms outside A rooms
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
In the utility model, in the case where not making opposite explanation, the noun of locality used such as " upper and lower, top, bottom " is generally It is each part mutual alignment either on vertical, vertical or gravity direction for direction shown in the drawings Relationship description word." inside and outside " be for tube chamber, inner chamber or it is indoor and outdoor for interior outside.
Fig. 1 is the structured flowchart of the electric supply installation for new blower fan provided according to embodiment of the present utility model.Such as Shown in Fig. 1, the electric supply installation can include reserve battery 30 and controller 31, and controller 31 is connected with reserve battery 30, is controlled Device 31 can control reserve battery 30 to be that new blower fan is powered in the case of the external power supply power-off of new blower fan.In this way, realizing intelligence It can be controlled to new blower fan to power, situation about powering off in the external power supply of new blower fan controls reserve battery to power for new blower fan so that In the case that new blower fan connects power cut-off outside also sustainable work for a period of time so that newly the work of blower fan is more reliable.
According in embodiment of the present utility model, electric supply installation can also include power supply adaptor, the power adaptation Device is connected with the controller in electric supply installation, for being the voltage that is applicable of controller with to control by the photovoltaic conversion of external power supply Device is powered.In this way, the voltage for converting external power supply by power supply adaptor may be such that new blower fan can include small-power component, and then So that new blower fan small-power.
Further, according in embodiment of the present utility model, electric supply installation also includes detection module.The detection mould Block is connected with controller, and whether detectable controller has the electric current for coming from power supply adaptor;Controller is additionally operable in detection mould Whether block detects the switch that new blower fan is detected in the case that controller does not come from the electric current of power supply adaptor in unlatching State simultaneously controls reserve battery to be powered for controller in the case where switch is in opening.In this way, detection module is examined in real time Survey whether controller has the electric current for coming from power supply adaptor, detecting controller and do not come from the electric current of power supply adaptor In the case of notification controller, controller takes appropriate measures, and realizes intelligentized control method power supply adaptor and supplying cell Powered for controller, i.e., intelligentized control method power supply adaptor is that new blower fan is powered with supplying cell.
Fig. 2 is the structural frames of the electric supply installation for new blower fan provided according to another embodiment of the present utility model Figure.As shown in Fig. 2 the electric supply installation includes reserve battery 30, controller 31, power supply adaptor 32 and detection module 33, wherein, Reserve battery 30, power supply adaptor 32 and detection module 33 are connected with the two-wire of controller 31 respectively, and the two-wire is respectively power line And signal wire.After new fan switch is opened, in the case that power supply adaptor 32 is working properly, external power supply is via power supply adaptor The voltages of 32 conversion external powers are the applicable voltage of controller 31 so that external power supply is controller 31 powers, now, standby electricity Pond 30 is in the electric current very little that holding state, i.e. controller 31 come from reserve battery 30.The real-time measure and control of detection module 33 Whether device 31 has the electric current for coming from power supply adaptor 32, is detecting controller 31 without the electric current for coming from power supply adaptor 32 In the case of, detection module 33 sends signal of the controller 31 without the electric current for coming from power supply adaptor 32, control to controller 31 It is standby that device 31 processed detects whether the switch of new blower fan controls in the state opened and in the case where switch is in the state opened Powered with battery 30 for it.Thereby, realize intelligentized control method reserve battery and power supply adaptor is powered for controller, in fresh air In the case of the external power supply power-off of machine, new blower fan can be also powered by reserve battery so as to a period of time that works on, so that User is obtained the reason for the external power supply for having the new blower fan of time check in the case that new blower fan is not stopped is powered off, and then is taken Corresponding measure.So so that the work of fresh air machine is more reliable.In addition, in this embodiment, reserve battery can be chargeable Battery.Further, rechargeable battery can be lithium battery.
Fig. 3 is the circuit corresponding relation of the electric supply installation for new blower fan provided according to embodiment of the present utility model Schematic diagram.As shown in figure 3, reserve battery 30, power supply adaptor 32 and detection module 33 are connected with the two-wire of controller 31 respectively, should Two-wire is respectively power line and signal wire;PM2.5 sensors 34, interior circulation changeover module 35, air suction device 15 and high pressure Electrostatic module 37 is connected with the single line of controller 31 respectively.Reserve battery 30 and power supply adaptor 32 are each independent to controller 31 Power supply.Controller 31 controls reserve battery 30 or power supply adaptor 32 to be the other assemblies of the new blower fan of current direction of its power supply, As PM2.5 sensors 34, interior circulation changeover module 35, air suction device 15 and high-pressure electrostatic module 37, i.e. controller 31 are controlled It is made as the power supply of the other assemblies of new blower fan.Main power consumption original paper is air suction device 15 and high-pressure electrostatic module in circuit 37, the power of air suction device 15 is 6W, and the power of high-pressure electrostatic module 37 is 4W, and the power of whole circuit is 12W or so. Under normal mode, acquiescence is powered by converting family expenses 220V alternating currents from power supply adaptor 32 for 12V direct currents to controller 31, If running into powering-off state, carry out whether detection controller 31 has the electric current for coming from power supply adaptor 32 by detection module 33, I.e. now whether power supply adaptor 32 normally powers to controller 31, if detection module 33 detects controller 31 and do not come from The electric current of power supply adaptor 32 is then sent to controller 31 not to be detected controller 31 and has the electricity for coming from power supply adaptor 32 The signal of stream.Controller 31, which is received, detects whether the switch of new blower fan is in opening after the signal, if detecting switch Then start reserve battery 30 in opening to power for controller 31.Reserve battery 30 can be rechargeable battery, and this is chargeable The capacity of battery can be 3000mAh.The startup reserve battery 30 is circuit sustainable power supply 2-3 hours that controller 31 is powered, Emergency use during meeting power-off, and provide the time for user's detection failure.
In summary, controller control reserve battery is realized in the case of the external power supply power-off of new blower fan for its power supply Intelligent control is that new blower fan is powered, to meet Emergency use during power-off.External power supply is new blower fan via power supply adaptor, is Controller is powered so that new blower fan can be converted into low power electric appliance.The switch Comprehensive Control of detection module, controller and new blower fan Powered by one of reserve battery and power supply adaptor for controller, so realize that intelligentized control method reserve battery and power supply are suitable Orchestration is powered for controller, new blower fan external power supply power-off in the case of, new blower fan can also be powered by reserve battery so as to It can work on a period of time, so that obtaining user has the external of the new blower fan of time check in the case where new blower fan is not stopped The reason for power cut-off, and then take appropriate measures.So so that the work of fresh air machine is more reliable.
To realize Two-way Cycle mode of operation, and compact integral structure, occupy little space, service behaviour is steadily reliable, this reality A kind of new blower fan is additionally provided with new, the new blower fan includes above-mentioned electric supply installation.In addition, the new blower fan can be embedded new Blower fan, such as new Two-way Cycle embeds the new blower fan of wall hole formula.The new blower fan includes the wall pipe being flush-mounted in wall hole and is exposed to Indoor indoor body, as shown in figure 20.Especially, the utility model is formed with the fresh air that outdoor fresh air passes through in wall pipe Pipe internal channel and the indoor airduct internal channel of room air circulation, so that in the absence of blast pipe at random, exhaust duct etc., complete machine knot Structure is simple, compact, as shown in Figure 6 to 8.Now, indoor body is provided with the outlet of purification wind, indoor wind entrance and air suction dress Put 15.The air suction device can be aerofoil fan.
Wherein, new blower fan also includes air channel switching device and air cleaning unit.Air channel switching device is above-mentioned implementation Interior circulation changeover module described in mode.Air channel switching device is used for optionally unique conducting indoor airduct internal channel or new Airduct internal channel so that new blower fan correspondingly switch operating in interior circulation pattern or outer circulation pattern;I.e.:
Under interior circulation pattern, indoor wind is got in airduct under the effect of air suction device 15 from indoor wind entrance Passage is simultaneously expelled to interior after air cleaning unit is purified from the outlet of purification wind;
Under outer circulation pattern, outdoor fresh air enters fresh air under the effect of air suction device 15 from the axially outer end of wall pipe Pipe internal channel is simultaneously expelled to interior after air cleaning unit is purified from the outlet of purification wind.
Formed in wall pipe after fresh wind tube internal channel and indoor airduct internal channel, the circulation path of air-flow is longer, even if Under the strong pumping effect of air suction device 15, lead in air-flow fresh wind tube internal channel also in wall pipe or indoor airduct Comfort cushioning is obtained in road, the impact to complete machine is small, the through walls of wall-penetrating type fixed installation is also mainly reflected in even if impact is produced Guan Zhong is small to the impact endurance test shock of complete machine.
In addition, the air suction device 15 in Fig. 4 embodiment is preferably single aerofoil fan, the purification wind of new blower fan Outlet and aerofoil fan are axially aligned in the interior shaft end of wall pipe, and this is due to that fresh wind tube internal channel and indoor airduct internal channel are equal It is integrated in wall pipe, air stream outlet only need to arrange single wind all in the interior shaft end of wall pipe in the interior shaft end of wall pipe Machine, and the two fans structure of the new blower fan of unconventional Two-way Cycle, in other words, blower fan can be shared so that structure assembly degree is high.In addition, Below also by what is addressed, because fresh wind tube internal channel and indoor airduct internal channel compact Layout are in wall pipe, air flow path is long, Air cleaning unit is also able to compact Layout.
Compact conformation, path length and the fresh wind tube internal channel that can switch in good time and room are designed in wall pipe to realize Interior airduct internal channel, those skilled in the art are readily apparent that the form using built-in double parallel pipe or more pipe in wall pipe, But this certainly will require that the caliber of wall pipe is big, disclosure satisfy that air quantity demand.For accomplish compact conformation and maximization increase into Air quantity, the embedded new blower fan of wall hole formula of the present utility model employs the sleeve structure including inner tube 1 and outer tube, inner tube tube chamber and interior Any one of perimetrical lumen 6 between outer tube is that fresh wind tube internal channel, i.e. outdoor air can enter from the axially outer end of wall pipe Enter inner tube tube chamber or perimetrical lumen 6, then flowed out from corresponding interior shaft end.
Now, the other of inner tube tube chamber and perimetrical lumen 6 constitute indoor airduct internal channel or at least constitute indoor wind A part for pipe internal channel.Because under Two-way Cycle pattern, the connection of fresh wind tube internal channel is to enter during outdoor air, in indoor airduct Passage needs to close, similarly, during indoor airduct internal channel connection, and fresh wind tube internal channel needs to close.Now, it is contemplated that interior circulation Indoor wind entrance under pattern is disposed in the interior in body, thus relatively reasonable air channel arrangement can only be from wall pipe Interior shaft part, which enters, then wraps to interior shaft end outflow.Therefore, indoor airduct internal channel may include inner tube tube chamber and perimetrical lumen 6, The room air that indoor wind entrance enters enters in wall pipe via the interior shaft end of one of inner tube tube chamber and perimetrical lumen 6, Then another one intracavitary can be entered from axially outer end, preferably flowed out from the interior shaft end of the another one.So not only flow is longer, and Either under interior circulation or outer circulation pattern, at least passage portion is room air in wall pipe and outdoor air is shared is total to With part is flowed through, so as to also just facilitate the densification arrangement of air cleaning unit, it need be only arranged in shared runner.
On this basis, it is the in good time switching of the indoor airduct internal channel of realization and fresh wind tube internal channel, from the principle of work and power Divide, air channel switching device should include two controllable switching valves, i.e., can open to introduce the new air-valve of outdoor fresh air in good time With can open in good time to connect the connection of inner tube tube chamber and perimetrical lumen 6 (so that being constituted complete indoor airduct internal channel) Valve.Wherein, new air-valve should be arranged on the axially outer end end face of fresh wind tube internal channel, and now the interior shaft end connection of fresh wind tube internal channel is empty Gas aspirator 15, is entered with providing power suction air.Meanwhile, inner tube tube chamber and the interior axle of the other of perimetrical lumen 6 Wind entrance in communication chamber is held, communicating valve should be arranged between the axially outer end of the axially outer end of inner tube tube chamber and perimetrical lumen 6.
In the embodiment shown in Fig. 4, perimetrical lumen 6 is have selected for fresh wind tube internal channel.In the case, inner tube 1 For the interior circulation air inlet pipe of wind entrance in communication chamber.Perimetrical lumen 6 is flowed into from outside to inside referring to Fig. 5, outdoor air intake A now, Indoor air intake B enters from the interior shaft end of inner tube tube chamber, perimetrical lumen 6 is turned in the axially outer end of inner tube tube chamber, finally from ring pipe The interior shaft end outflow of chamber 6.
Referring to Figure 11, Figure 12, the utility model additionally provides a kind of air channel switching device of preferred constructive form, and it passes through Simple rotation is controlled, you can realize above-mentioned new air-valve and the common function of communicating valve.Specifically, the air channel switching device includes The axially outer end part of inner tube 1 and matched switching interstage sleeve 2.
First, the axially outer end of the inner tube 1 in Figure 11 is connected with inner tube end face disk, the center block plate portion 1b envelopes of inner tube end face disk The axially outer end end face of inner tube 1 is kept off, the axially outer end end face of the outer portion capping perimetrical lumen 6 of inner tube end face disk is simultaneously provided with and ring pipe The outdoor ventilation mouthful 1c that chamber 6 is connected, the body periphery wall of the axially outer end of inner tube 1 is provided with the interior for being used for connecting perimetrical lumen 6 Ventilating opening 1d.
Secondly, the switching interstage sleeve 2 in Figure 12 includes sleeve part 2a and is connected to the interstage sleeve end face disk of sleeve part 2a outer faces 2b, interstage sleeve end face disk 2b, which are provided with, is suitable to the central through hole that inner tube 1 is passed through, and interstage sleeve end face disk 2b periphery edge is provided with outdoor air Connected entrance 2c, sleeve part 2a periphery wall are provided with ambient air mouthful 2d.
Finally, in assembling, switching interstage sleeve 2 fixed cover is located at the axially outer end of inner tube 1, and one of the two is rotatable, separately One is relatively fixed.Switching interstage sleeve 2 is inserted in from the interior shaft end of inner tube 1, and interstage sleeve end face disk 2b is close to the inner side of inner tube end face disk. So, interstage sleeve end face disk 2b and inner tube the end face disk cooperation that rotates against constitute above-mentioned new air-valve, switch the sleeve of interstage sleeve 2 The cooperation that rotates against between portion 2a and the body periphery wall of the axially outer end of inner tube 1 constitutes above-mentioned communicating valve.Specifically, with In Fig. 4 embodiments inner tube 1 rotate and switch interstage sleeve 2 fix in case of, inner tube 1 relative to switching interstage sleeve 2 rotation and energy It is enough to rotate position in open new air-valve first in succession and open the second rotation position of communicating valve, position is rotated first, it is outdoor logical Air port 1c aligns with outdoor air connected entrance 2c to be connected and room ventilation mouthful 1d and ambient air mouthful 2d mutually stagger and sealed Close, position is rotated second, room ventilation mouthful 1d aligns with ambient air mouthful 2d to be connected and outdoor ventilation mouthful 1c and outdoor sky Gas connected entrance 2c mutually staggers and closed.
To realize this rotation switching, relatively simple mode is as shown in Figure 11, Figure 12, the axially outer end of inner tube 1 Outdoor ventilation mouthful 1c, room ventilation mouthful 1d number it is identical, be circumferentially equidistantly spaced from and corresponded on circumferential position Set, and switch the outdoor air connected entrance 2c on interstage sleeve 2 and ambient air mouthful 2d then number is identical, circumferentially at equal intervals The distribution annulus of arrangement but certain possible angle that staggers on circumferential position, i.e. outdoor air connected entrance 2c connects with room air Port 2d distribution annulus staggers on circumferential position, to realize above-mentioned rotation handoff functionality.Certainly, also interstage sleeve 2 will can be switched The alignment of upper connected entrance, and the ventilating opening of the axially outer end of inner tube 1 staggers setting, can also obtain effect same.I.e. switching interstage sleeve 2 is outer The outdoor air connected entrance 2c of shaft end is identical with ambient air mouthful 2d number and is circumferentially equidistantly spaced from, outdoor air Connected entrance 2c and ambient air mouthful 2d correspond setting on circumferential position;Outdoor ventilation mouthful 1c and room in inner tube 1 Interior ventilating opening 1d numbers are identical and are circumferentially equidistantly spaced from, point of outdoor ventilation mouthful 1c distribution annulus and room ventilation mouthful 1d Cloth annulus staggers on circumferential position.
To realize the rotation switching control between inner tube 1 and switching interstage sleeve 2, air channel switching device also includes rotation driving group Part, rotary drive assembly connects the interior shaft end of inner tube 1 to control inner tube 1 to rotate.
Referring to Fig. 9, Figure 10, as a kind of preferred exemplary, rotary drive assembly includes controlling the drive control of transmission successively Device 12, gear drive 11 and rotary connector 10, rotary connector 10 connect the interior shaft end of inner tube 1, to utilize tooth The accuracy of wheel drive structure accurately to control the rotation aperture of inner tube 1.Wherein, drive dynamic control device 12 is preferably automatically controlled dress Put, such as motor, gear drive 11 may include turbine and worm mechanism 11a, the driving gear 11b transmitted successively and driven Gear, driven gear can be knockdown first driven gear 11c and the second driven gear 11d, the output shaft of driven gear Rotary connector 10 is connected, rotary connector 10 includes rotatable connection set 7, a shaft end of rotatable connection set 7 and gear drive machine The output shaft of structure 11 is connected, and another shaft end connects the interior shaft end of inner tube 1, preferably the utilization buckle connecting structure 22 such as Figure 10 Constitute and removably snap connection with the bayonet socket 22a of the interior shaft end of Figure 11 inner tube 1.Certainly, it is only for example herein, this area skill Art personnel are it is conceivable that more automatically controlled mode and electric control structure, to obtain identical, close or more preferable rotation control effect, This is no longer carefully stated one by one.
Indoor body includes being fixedly installed installation frame body 13 in the outer cover 17 being connected with wall pipe, outer cover 17, driving control Device 12 and gear drive 11 processed are mountable in installation frame body 13.It is additionally provided with and is connected by indoor wind entrance in indoor set body Lead to indoor indoor air intake passage 8, the indoor independent isolating of air intake passage 8 connects in the inner chamber of indoor body and perimetrical lumen 6, rotation Female connector 7 is built in indoor air intake passage 8, to realize the connection of indoor air intake passage 8 and inner tube tube chamber, rotatable connection set 7 One or more air inlet pipe air intakes 9 are through with periphery wall, referring to Fig. 8.
Another important improvement of the present utility model is the extension design of the air flow channel in wall pipe, to increase buffering effect Fruit is simultaneously easy to dust removal design, increase dedusting time, enhancement effect.As shown in figure 19, in one embodiment, lead in fresh wind tube Axially spaced apart and positioned at radially opposite sides multiple first water conservancy diversion flanges 25 and second are respectively equipped with the internal perisporium in road to lead Flange 26 is flowed, position is staggered and forms fresh air baffling and lead to successively vertically for each the first water conservancy diversion flange 25 and the second water conservancy diversion flange 26 Road.This water conservancy diversion flange is preferably arc plate, and the outdoor fresh air so entered from the axially outer end of fresh wind tube internal channel is in baffling shape Flowed out along fresh air baffling passage from the interior shaft end of fresh wind tube internal channel.Therefore, Figure 19 obtains the effective of runner in baffling form Extension.
In the embodiment shown in Fig. 4, the new blower fan is then provided with shown in Figure 13, Figure 14 in fresh wind tube internal channel The fresh air deflector 4 of helical blade shape, fresh air deflector 4 is axially extended to form fresh air helical duct in the shape of a spiral, from Interior shaft end outflow of the outdoor fresh air that the axially outer end of fresh wind tube internal channel enters along fresh air helical duct from fresh wind tube internal channel.Phase Compared with for, the resistance of fresh air deflector 4 of helical blade shape is smaller compared to the resistance of deflection plate, the energy loss of air inlet Small, the operating efficiency of blower fan is high.Because because of setting fresh air deflector 4, resistance increases in perimetrical lumen 6, and inner tube tube chamber is hollow Atmidometer is small, therefore on the basis of airflow circulating amount is ensured, to cause axial flow blower to be in best operating point, i.e. SR With the intersection point of air quantity, the balance of resistance and air quantity, ring are obtained to eliminate drag effects to introduce more air-flows by enlarged-area The ratio between cross-sectional area of shape tube chamber 6 and inner tube tube chamber substantially 2~4, is preferably 3 in Fig. 4, Fig. 5 preferred embodiment. In fig. 13, the coiling number of turns of the spiral fresh air deflector 4 in fresh wind tube internal channel is 3 circles, generally 2~5 circles.Disk During around 3 circle, flow channel length has increased about 4.5 times, and prolongation effect is protruded, and is conducive to air cleaning, improves purification efficiency.
Wherein, fresh air deflector 4 can be integrally machined, and also sectional processing is then assembled.In the embodiment of Figure 13, newly Blower fan includes fresh air flow guide sleeve 3, and helically foliaceous is installed on the periphery wall of fresh air flow guide sleeve 3 fresh air deflector 4, and fresh air is led Stream set 3 is sheathed in inner tube 1 and is connected with switching interstage sleeve 2.Fresh air flow guide sleeve 3 is easy to assemble fixed fresh air deflector 4, Er Qiebian In the mounting arrangements of the overall package and switching interstage sleeve 2, follow-up electrode wires 21 of wall pipe etc., will also specifically it refer to below.
Another compact design of the present utility model is the arrangement of air cleaning unit.Dedusting method has varied, from Structural compactness, installing space and dust removing effects etc. consider, in the embodiment shown in Figure 13, Figure 16, preferably by Electrostatic precipitation mode.Wherein, outer tube include can be powered dust leg 5, air cleaning unit include be arranged in fresh wind tube lead to Electrostatic precipitation structure in road, electrostatic precipitation structure includes high pressure generator 16, electrode wires 21 and dust leg 5, the edge of electrode wires 21 Axially extending and through each fresh air deflector 4, one of electrode wires 21 and dust leg 5 electrical connection high pressure generator 16 are just Pole, another one electrically connects the negative pole of high pressure generator 16.So, the dirt in air particle in fresh wind tube internal channel is by electrode wires 21 Electric charge is taken, when being flowed in longer fresh air helical duct, dirt in air particle is adsorbed to dust leg 5 sooner or later, so as to obtain Obtain air purification effect.Obviously, in this electrostatic precipitation structure, the arrangement of electrode wires 21 is convenient, and space structure is compact, dirt in air Particle is easily powered adsorbed, and dedusting passage is long, and dust removing effects are more prominent.
To form the homogeneous band electric field of annular, electrode wires 21 are preferably between many and the circumference along fresh air flow guide sleeve 3 etc. Every arrangement.It is preferably 4, the Density Distribution of generally 3~6 in Figure 16.It is many when fresh wind tube internal channel is perimetrical lumen 6 The cylindrical diameter that root electrode wires 21 are surrounded should be greater than the outer tube diameter of inner tube 1, and electrode wires 21 should be relative to collector tube 5 Closer to, press close to inner tube 1, to obtain larger electric field.In the utility model, it is cylindrical straight that many electrode wires are surrounded Footpath is generally no greater than the 80% of the interior caliber of dust leg 5, in Figure 16 embodiment, and the cylindrical diameter surrounded is preferred For the 60% of the interior caliber of dust leg 5, the electric field dust removing effects protrusion formed.
The material of electrode wires 21 can select metal material, and diameter is generally between 0.008-0.5mm, preferably 0.08- Between 0.2mm, for example, it is preferable to can be the tungsten filament of 0.2mm diameters, easy electrion.In length, electrode wires 21 are vertically Stretch and axial length is not more than the length of dust leg 5, it is preferable that the axial length of electrode wires 21 can be longer than dust leg 5 Short 5-15mm is spent, one end of electrode wires 21 is fixedly connected with the wire electrode fixed seat 2e of insulation, sees Figure 12, Figure 15, the other end can lead to Wire electrode contact 24 is crossed to electrically connect with high pressure generator 16.In figure 16, due to there are 4 wire electrodes 21, two one are employed Group, every group tethers two wire electrode contacts 24 with an electrode slice.Equally, dust leg 5 also can be electric by the dust leg of interior shaft end Limit 23 is connected with an electrode terminal of high pressure generator 16.
In material, dust leg 5 is preferably conductive metal pipe, such as aluminium-alloy pipe, it is easy to conduction, dust, cleaning, fresh air Flow guide sleeve 3, fresh air deflector 4 and switching interstage sleeve 2 etc. are isolation material, prevent short circuit.High pressure generator 16 may be disposed at room In interior body, such as in installation frame body 13, it is connected by wire with wire electrode 21 and dust leg 5.Or, inner tube 1 is insulation material During matter pipe, such as Figure 18, high pressure generator 16 may also set up in inner tube 1.
The above-mentioned sleeve structure with helical duct and its electrostatic precipitation structure are not limited to apply into new blower fan, are installed on wall In vivo, to realize the dedusting in small space, or even it can apply to ventilation shaft, central air-conditioning etc. and carry fresh air or indoor return air work( In the product of energy, as shown in figure 18, by replacing a segment pipe therein, the purpose of purification inner air tube, highest dedusting are reached Efficiency is up to more than 95%.The also independently detachable cleaning of this electrostatic precipitation structure.
Due to electrion dedusting, during it is inevitable produce ozone, be further purification air, it is of the present utility model Air cleaning unit further comprises ozone filtering module 14, and it is arranged on the downstream side of electrostatic precipitation structure.Therefore, ozone mistake In the indoor body that filter module 14 is disposed in the interior, the interior shaft end of the outside spacers alignment wall pipe of ozone filtering module 14 is interior Side is disposed with air suction device 15.The suction force of air suction device 15 so that the preliminary purification in perimetrical lumen 6 after dedusting Air passes through ozone filtering module 14, except ozone rear by air suction device 15 is expelled to interior from exhaust outlet.
In a kind of preferred structure, ozone filtering module 14 is the honeycomb metal frame structure for being formed with honeycomb hole, honeybee The compact conformation degree of nest shape metal framework structure is high, and installing space is small and surface area is larger, the surface decomposed with catalysis ozone Coating, reacts when air flows through honeycomb hole with face coat, and ozone is decomposed.This ozone filtering module 14 can be Veneer single stage format, but as needed, may be alternatively provided as what is be laminated between the interior shaft end of wall pipe and air suction device 15 Multistage ozone filtering module 14.
As shown in figure 4, ozone filtering module 14 may also include electronic control module 141 and ozone sensor 142, ozone sensor 142 are arranged on the air side of ozone filtering module 14, and electronic control module 141 is configured to compare that ozone sensor 142 detected is smelly The upper threshold value of oxygen content signal and ozone content simultaneously sends alerting signal when judging that ozone is exceeded.So, can be according to ozone Whether monitoring in real time, feedback user needs to change ozone filtering module 14 in time.Failed to avoid reminding, electronic control module 141 is also Reserve battery can be connected with.
It is located at ozone filtering module 14 for ease of changing the outer cover 17 at the top of ozone filtering module 14, indoor body and being provided with The replacing valve 171 of surface, as shown in figure 17, such ozone filtering module 14 can just be entered by the replacing valve of opening Row dismounting, it is only necessary to be drawn up.
In another one substitute mode, air suction device 15 is aerofoil fan, aerofoil fan and ozone filtering module 14 The both sides of the mounting bracket of aerofoil fan are respectively arranged in, the two can be arranged in mounting bracket for example, by screw etc., constituted One independent blower fan module.Mounting bracket is then fixedly installed in indoor set body.Purification is offered on the outer cover 17 of indoor body Wind is exported, and purification wind outlet is removably provided with grill cover 172, as shown in Fig. 6, Fig. 7, Figure 17.Purify wind outlet and lattice The profile of grid cover 172 is sufficiently large so that the air suction device 15 and air cleaning unit being installed in outer cover 17 can be from net Wind transmission outlet is taken out, and facilitates the replacing of the even whole independent blower fan module of ozone filtering module 14.
In addition, the exposed axially outer end to protect wall pipe, the axially outer end for installing sleeve pipe 18 is also equipped with primary baffle plate 20 And/or primary filter screen 19.Primary baffle plate 20 can be sealing plate, reed time controll opening or flase floor etc..Primary baffle plate 20 can stop insect, rainwater etc..Primary filter screen 19 may filter that larger foreign matter, such as leaf, paper scrap, ensure that device interior is not produced Block, being capable of normal work for a long time.
On the basis of above-mentioned Two-way Cycle embeds the new blower fan of wall hole formula, the utility model further correspondingly provides a kind of pair and followed Ring embeds wall hole formula VMC, and the VMC includes the assembly wall 27 provided with wall hole, and Two-way Cycle embeds the new blower fan of wall hole formula Wall pipe be flush-mounted in wall hole, as shown in figure 20.
Wherein, outer tube includes the installation sleeve pipe 18 being set in outside dust leg 5, and the gap of the two about 1-2mm differences coordinates, peace Tubing 18 takes the lead in the wall hole that is flush-mounted in assembly wall 27, and the outer end for installing sleeve pipe 18 passes wall hole, and the inner is formed with laminating The periphery flange of the internal face of assembly wall, indoor body includes outer cover 17, and outer cover 17 is fixed with installing the periphery flange of sleeve pipe 18 Connection.Material is thus formed the installation of the cross-linking of new blower fan.
Specifically, the axially outer end for installing sleeve pipe 18 is provided with axially outer end position limiting structure 28, such as raised annular ridge of inwall. During assembling, dust leg 5, switching interstage sleeve 2, fresh air deflector 4, fresh air flow guide sleeve 3 and inner tube 1 can be flush-mounted in installation sleeve pipe 18 successively Interior, each outer end abuts axially outer end position limiting structure 28, reaches outer end axially position.The outer end of fresh air flow guide sleeve 3 can pass through connection Pin is connected with the connection key seat 2f of the switching interstage sleeve 2 shown in Figure 12.In addition, new blower fan also includes inner locating sleeve 29, each pipe After setting-in, the interior shaft end of sleeve pipe 18 is installed in the inner insertion of locating sleeve 29, and the insertion pipeline section of inner locating sleeve 29 is abutted respectively Dust leg 5, fresh air flow guide sleeve 3 and inner tube 1, to realize the inner axially position of each pipe.
When mounted, steady firm to install, it is preferably to tilt to install to install sleeve pipe 18, that is, installs the interior shaft end of sleeve pipe 18 Slightly higher relative to axially outer end, generally interior shaft end is 3~5 ° relative to the horizontal lifting angle of axially outer end.And the wall thickness of assembly wall 27 25cm should be not less than, the aperture of porthole is not more than 15cm, such as 10cm or so, to pass through the assembly wall of wall pipe and suitable thickness 27 realize certain complete machine load-bearing.
Using the preferred embodiment shown in Fig. 4, Fig. 8, using internal and external casing form, perimetrical lumen 6 is as in fresh wind tube Passage, and shown in air channel switching device shown in configuration diagram 11, Figure 12, Figure 13 helical form fresh air deflector 4, Figure 15 to Figure 17 Electrostatic precipitation and the air cleaning unit except ozone, it is as shown in figure 20 be attached to assembly wall 27 after, carry out this practicality The start test of new VMC.
Figure 21 is the contrast effect line chart of primary purification rate of the VMC of the present utility model under different wind speed;Figure 22 be clean-up effect and the line chart of time of the VMC of the present utility model under high wind speed and low wind speed pattern;Figure 23 is The test effect line chart of VMC ozone cumulative amount of the present utility model.Figure 21 is visible, under outer circulation pattern, even if room Outer air PM2.5 concentration is more than 500ppb, and the primary purification rate of VMC of the present utility model all reaches at least more than 93%.Figure 22 is visible, either high wind speed or low wind speed, within a hour, PM2.5 concentration can be remarkably decreased from 500ppb to 100ppb is even lower, until becoming zero.Visible in fig 23, VMC of the present utility model is indoor after working long hours The ozone content of environment accumulation is all significantly less than state's scale value.
To sum up, new blower fan and VMC of the present utility model at least realize following mesh by series of optimum design 's:
1), small volume:Renovated room is particularly on family's interior trim without influence.
2), installability is good:Installation can be achieved in the hole that 10cm need to be only opened on wall.
3) a, filter efficiency height:The trapping of the pollutant such as PM2.5 in air is carried out by unique design, can be reached More than 95%.
4), no material consumption is filtered:Filter assemblies can repeatedly be cleaned and used.
5), occupation mode is various:Two kinds of working methods of fresh air pattern and empty net pattern can be achieved.
6), power is small, power consumption is low:Weak machine is realized by low power consuming filter assemblies and blower fan.
7) it is, convenient for installation and maintenance:Internal core component is independent mutually, and replacing can be pulled down respectively and is safeguarded.
Preferred embodiment of the present utility model is described in detail above in association with accompanying drawing, still, the utility model is not limited Detail in above-mentioned embodiment, can be to skill of the present utility model in range of the technology design of the present utility model Art scheme carries out a variety of simple variants, and these simple variants belong to protection domain of the present utility model.For example, driving inner tube 1 The rotary drive assembly rotated against with switching interstage sleeve 2 is not limited to gear transmission structure and mode, also can simple variant, use Alternative winding drum mode carries out rotation control, i.e. inner tube 1 and is considered as roller, the periphery wall winding control line of interior shaft end, edge Radial drawing control line, is the accurate anglec of rotation of controllable inner tube 1 according to the amount of tension of accurate Characterization.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the utility model is to each Possible combination is planted no longer separately to illustrate.
In addition, can also be combined between a variety of embodiments of the present utility model, as long as it is not disobeyed Thought of the present utility model is carried on the back, it should equally be considered as content disclosed in the utility model.

Claims (10)

1. a kind of electric supply installation for new blower fan, it is characterised in that the electric supply installation includes:
Reserve battery and controller;
The controller is connected with the reserve battery, for controlling institute in the case of the power-off of the external power supply of the new blower fan Reserve battery is stated to power for the new blower fan.
2. electric supply installation according to claim 1, it is characterised in that the electric supply installation also includes:
Power supply adaptor, is connected with the controller, for being that the controller is applicable by the photovoltaic conversion of the external power supply Voltage to be powered to the controller.
It is and described 3. electric supply installation according to claim 2, it is characterised in that the electric supply installation also includes detection module Controller is connected, for detecting whether the controller has the electric current for coming from the power supply adaptor;
The controller, which is additionally operable to detect the controller in the detection module, does not come from the power supply adaptor Detect the switch of the new blower fan whether in opening and in the feelings of the switch in opening in the case of electric current The reserve battery is controlled to be powered for the controller under condition.
4. the electric supply installation according to any one in claim 1-3, it is characterised in that the reserve battery is chargeable Battery.
5. electric supply installation according to claim 4, it is characterised in that the rechargeable battery is lithium battery.
6. a kind of new blower fan, it is characterised in that the new blower fan includes the electric supply installation described in any one in claim 1-5.
7. new blower fan according to claim 6, it is characterised in that the new blower fan is embedded new blower fan.
8. new blower fan according to claim 7, it is characterised in that the new blower fan include the wall pipe being flush-mounted in wall hole and It is exposed in the indoor body of interior, the wall pipe and is formed with fresh wind tube internal channel and indoor airduct internal channel, the indoor set Body is provided with the outlet of purification wind, indoor wind entrance and air suction device;
Wherein, the new blower fan also includes air channel switching device and air cleaning unit, and the air channel switching device is used to select one Turn on the indoor airduct internal channel or fresh wind tube internal channel to property and make the new blower fan correspondingly switch operating in interior circulation Pattern or outer circulation pattern.
9. new blower fan according to claim 8, it is characterised in that the wall pipe is to include the sleeve pipe knot of inner and outer tubes Structure, one of the perimetrical lumen between inner tube tube chamber and inner and outer pipes is the fresh wind tube internal channel, the fresh wind tube internal channel Axially outer end end face be provided with and be used to open to introduce the new air-valve of outdoor fresh air, the interior shaft end connection institute of the fresh wind tube internal channel Air suction device is stated, said inner tube tube chamber connects the indoor wind with the interior shaft end of the other of the perimetrical lumen and entered Mouthful, and be provided with for opening to be interconnected between the axially outer end of said inner tube tube chamber and the axially outer end of the perimetrical lumen Communicating valve.
10. new blower fan according to claim 8, it is characterised in that the air suction device is aerofoil fan.
CN201720144302.5U 2017-02-17 2017-02-17 Electric supply installation and new blower fan for new blower fan Active CN206469437U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720144302.5U CN206469437U (en) 2017-02-17 2017-02-17 Electric supply installation and new blower fan for new blower fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720144302.5U CN206469437U (en) 2017-02-17 2017-02-17 Electric supply installation and new blower fan for new blower fan

Publications (1)

Publication Number Publication Date
CN206469437U true CN206469437U (en) 2017-09-05

Family

ID=59707993

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720144302.5U Active CN206469437U (en) 2017-02-17 2017-02-17 Electric supply installation and new blower fan for new blower fan

Country Status (1)

Country Link
CN (1) CN206469437U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108491038A (en) * 2018-03-09 2018-09-04 聊城大学东昌学院 A kind of counter body built-in system of high efficiency and heat radiation dedusting
CN109533264A (en) * 2018-11-19 2019-03-29 江苏科技大学 A kind of spiral flow channel variable air rate ventilation terminal peculiar to vessel
CN110454946A (en) * 2019-08-13 2019-11-15 江苏群达智能科技有限公司 A kind of fan speed regulation method that universal convertible frequency air-conditioner control panel uses

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108491038A (en) * 2018-03-09 2018-09-04 聊城大学东昌学院 A kind of counter body built-in system of high efficiency and heat radiation dedusting
CN109533264A (en) * 2018-11-19 2019-03-29 江苏科技大学 A kind of spiral flow channel variable air rate ventilation terminal peculiar to vessel
CN110454946A (en) * 2019-08-13 2019-11-15 江苏群达智能科技有限公司 A kind of fan speed regulation method that universal convertible frequency air-conditioner control panel uses
CN110454946B (en) * 2019-08-13 2021-04-06 江苏群达智能科技有限公司 Fan speed regulation method for universal variable frequency air conditioner control panel

Similar Documents

Publication Publication Date Title
CN206469437U (en) Electric supply installation and new blower fan for new blower fan
CN108692389A (en) Airhandling equipment and air treatment system
CN109073250B (en) Air duct and air treatment equipment
CN109028312A (en) A kind of indoor purifying formula breathing equipment and air purification method
CN207407486U (en) A kind of wall ventilating filter device
CN108458130B (en) For the channel switching device and airhandling equipment in fluid line
CN108458425B (en) Air treatment equipment
CN108738315A (en) Electrostatic precipitator and airhandling equipment
CN207365309U (en) A kind of air filtration air conditioner indoor machine
CN111425955A (en) External fresh air purifier
CN110043968A (en) A kind of new blower of axial-flow type wall hanging and its construction method
CN110145833A (en) Between a kind of box-type list Fan Equipment
CN210107572U (en) New fan of axial-flow type hanging
CN211372701U (en) New fan of in-band circulation function
CN114858542A (en) Greenhouse gas emission concentration on-line monitoring device
CN209340180U (en) A kind of pipeline fan with sterilizing function
CN210292138U (en) Box type single-fan equipment room
CN111591864A (en) Air circulation mechanism and elevator
CN207019234U (en) New blower fan
CN206823157U (en) A kind of centralized supply wind device applied to packaged type membrane structure
CN212108795U (en) External air purifier
CN212339558U (en) Air circulation mechanism and elevator
CN211716797U (en) Ventilation energy-saving system of green building
CN213454131U (en) Carbon dioxide concentration detection device for fresh air purifier
CN202072469U (en) Oxygen enriched fresh air machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant