CN105805836A - Fresh air purifying system - Google Patents

Fresh air purifying system Download PDF

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Publication number
CN105805836A
CN105805836A CN201610299310.7A CN201610299310A CN105805836A CN 105805836 A CN105805836 A CN 105805836A CN 201610299310 A CN201610299310 A CN 201610299310A CN 105805836 A CN105805836 A CN 105805836A
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CN
China
Prior art keywords
air
new
fresh air
purifying
room
Prior art date
Application number
CN201610299310.7A
Other languages
Chinese (zh)
Inventor
胡国防
文凌志
Original Assignee
北京世纪佰特节能技术有限公司
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Priority to CN201610299310.7A priority Critical patent/CN105805836A/en
Publication of CN105805836A publication Critical patent/CN105805836A/en

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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
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02Ducting arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • 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
    • 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
    • F24F8/108Treatment, 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 dry filter elements
    • 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
    • F24F8/192Treatment, 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 by electrical means, e.g. by applying electrostatic fields or high voltages
    • 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
    • F24F8/20Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation

Abstract

The invention discloses a fresh air purifying system. The fresh air purifying system is composed of a fresh air purifier, a full-displacement ventilation device and a handheld fresh air purifier controller. The full-displacement ventilation device is composed of a ground air supply flat pipeline (23), a floor air supply air port (24) and a self balancer (25). By means of the fresh air purifying system, particles with the diameter smaller than or equal to 2.5 microns in air can be removed, and meanwhile the fresh air purifying system has the functions that sterilizing is achieved, formaldehyde, methylamine, benzene, dimethylbenzene and TVOC harmful organic matter in air can be decomposed, the excessive ozone in air is decomposed, and the full heat exchange is achieved. The exhaust air rate is 60% of the fresh air supply amount, and the micro-positive pressure of a room can be kept. The fresh air is sufficiently purified, meanwhile, outdoor contaminated air can be prevented from invading, the fresh air purifying system is used for residence fresh air supply, and constant cleanliness and constant oxygen of the room can be guaranteed.

Description

A kind of New-air purifying system
Technical field
The invention belongs to environmental technology field, be specifically related to a kind of New-air purifying system, it is applicable to the buildings such as various houses, office, office building, is particularly suited for the more serious area of air pollution.
Background technology
Air pollution, atmospheric environment worsen to have become affects the key factor that human body is healthy at present, and under outdoor haze weather condition, owing to not windowing, indoor pollutant, antibacterial are constantly piled up, and have expedited the emergence of various disease;Oxygen is not enough, makes people's giddy brain rise, and these drastically influence the healthy of people, improves household indoor air quality extremely urgent.Existing traditional depurator simply carries out treatment and purification to for indoor original air, and it does not introduce outdoor new wind, thus results in oxygen content deficiency, and comfort level is not good.And the oxygen that fresh air supply system can need people is sent into indoor, meanwhile, indoor carbon dioxide is drained into outdoor, the problem that indoor oxygen is not enough can be solved, but existing VMC (Ventilation Mechanical Control System) does not have purification function, while introducing new wind, outdoor haze can be brought into indoor again.Thus, new wind and purify process simultaneously both New-air purifying systems be only can accomplish supply oxygen while make room air be purified.
The method of supplying served back in the many employings of the new wind of traditional residential, lay along the top in room by supply and exhaust airduct, so indoor aesthetic measure can be had a greatly reduced quality, increase decoration cost, have an effect on room ventilation ventilation effect, because major part is sent into the new wind come but without when arriving people zone of action, bottom from top, room, just drained by top exhaust duct again.The air quantity of general house fresh air supply is all only small, the about 60m in each bedroom3/ h, if the supply and exhaust mode served back on adopting, effective fresh air supply will be little, and occupied zone, room can not get effective purification and oxygen supply.
Summary of the invention
In order to solve the problems referred to above, the present inventor is through repeatedly design and research, proposing a kind of New-air purifying system, it belongs to the New-air purifying system of total replacement mode, and New-air purifying system is made up of New-air purifying system, total replacement ventilation unit, hand-held New-air purifying system controller three part.
According to the technology contents of the present invention, it is provided that a kind of New-air purifying system its be made up of fresh air purifier, total replacement ventilation unit, hand-held New-air purifying system controller three part New-air purifying system;
Wherein, ground air-supply flat tube road 23, floor blowing air port 24 and self-balancing device 25 form total replacement ventilation unit.
Described New-air purifying system can remove 2.5 μm and following fine particle in air, has sterilization simultaneously, decomposes the formaldehyde in air, methylamine, benzene, dimethylbenzene, TVOC harmful organic substance, decomposes excessive ozone in air, the function of Total heat exchange.Its exhaust air rate is the 60% of new wind air output, can keep room pressure-fired;While making new wind be fully purified, also can avoid the invasion of outdoor air pollution, for house fresh air supply, it is ensured that the perseverance in room oxygen clean, permanent.
In described New-air purifying system, outdoor fresh air new wind suction inlet 21 outdoor enters, fresh air purifier 20 is delivered into through pipeline, 2.5 μm and following fine particle in air can be effectively removed through fresh air purifier, there is sterilization simultaneously, decompose the formaldehyde in air, methylamine, benzene, dimethylbenzene, TVOC harmful organic substance, decompose excessive ozone in air, the function of Total heat exchange, makes the fresh air through fresh air purifier 20 comprehensively be purified and reclaim cold (heat) amount of room air.After purification, the new wind containing sufficient oxygen delivers to floor blowing air port 24 through air-supply flat tube road 23, ground, and new wind delivers to indoor from floor blowing air port 24, and from bottom to top, the fresh air that personnel's respiratory oxygen content is higher, clean, exhalation is containing CO for air-flow2Air to upper flow, outside self-balancing device 25 discharge chamber of top, room, simultaneously by outside the pollutant of indoor generation and antibacterial discharge chamber, it is achieved the general ventilation in room displacement, space air is cleaned, and oxygen obtains effective supply.
Further, air-supply flat tube road 23, ground specification is 132X30mm (wide × high), and height is consistent with the heat insulation layer of floor panel heating, lays with layer with floor heating heat insulation layer, does not increase original design ground level.Each room lays air-supply flat tube road 23,1~2 ground, and an air outlet 24 is joined in air-supply flat tube road 23, every ground or air-supply flat tube road, two ground 23 shares a floor blowing air port 24.
Total replacement intellectuality fresh air purifying supply system, it solves tradition, and New-air purifying system purification efficiency is low, need manual control, clean unit to need the drawback of periodic replacement, indoor effectively fresh air supply can be made to significantly improve, the more intelligentized function of control system, clean unit can clean free of replacement all the life repeatedly simultaneously, solves the problem that fresh air purifying product later stage operation and maintenance cost is high.Further, present configuration is simple, reasonable in design, has filled up the blank of this type of New-air purifying system, is worth popularization and application widely.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the New-air purifying system according to the present invention.
Fig. 2 is the structural representation of fresh air purifier.
Fig. 3 is the control mainboard block diagram of New-air purifying system.
Fig. 4 is the hand-held fresh air purifying machine controller block diagram of New-air purifying system.
Fig. 5 is the fundamental diagram of the control unit of New-air purifying system.
Fig. 6 is the circuit diagram of the control unit circuit main board employing of New-air purifying system.
Fig. 7 is the overall schematic of the drainage screen of the replaceable filter pulp used in New-air purifying system.
Fig. 8 is the sectional view of the drainage screen of the replaceable filter pulp used in New-air purifying system.
Fig. 9~12 are a kind of fresh air purifier door lock schematic diagram with self-locking device used in new purification system.
Figure 13 is supply and exhaust mode schematic diagram in room in New-air purifying system.
Figure 14 is flat tube laying structure schematic diagram of blowing in New-air purifying system
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.Additionally, protection scope of the present invention only should not limited to following concrete structure or parts or design parameter.
The New-air purifying system of the present invention, it belongs to the intelligent New-air purifying system of total replacement mode, and New-air purifying system is made up of fresh air purifier, total replacement ventilation unit, hand-held New-air purifying system controller three part.In the schematic diagram of New-air purifying system as shown in Figure 1, each accompanying drawing labelling is as follows: 20 is fresh air purifier (schematic block diagram), 21 is outdoor new wind suction inlet, 22 is outdoor exhaust outlet, 23 be air-supply flat tube road, 24 is floor blowing air port, and 25 is self-balancing device, and 26 is hand-held New-air purifying system controller.Wherein blow flat tube road 23, floor blowing air port 24 and self-balancing device 25 forms total replacement ventilation unit.
Fig. 2 is the structural representation of New-air purifying system, and wherein each accompanying drawing labelling is as follows:
The structural representation of fresh air purifier shown in the schematic diagram of New-air purifying system shown in foundation Fig. 1 and Fig. 2, outdoor fresh air new wind suction inlet 21 outdoor enters, fresh air purifier 20 is delivered into through pipeline, 2.5 μm and following fine particle in air can be effectively removed through fresh air purifier, there is sterilization simultaneously, decompose the formaldehyde in air, methylamine, benzene, dimethylbenzene, TVOC harmful organic substance, decompose excessive ozone in air, the function of Total heat exchange, the fresh air through fresh air purifier 20 is made comprehensively to be purified and reclaim cold (heat) amount of room air.After purification, the new wind containing sufficient oxygen delivers to floor blowing air port 24 through air-supply flat tube road 23, ground, and new wind delivers to indoor from floor blowing air port 24, and from bottom to top, the fresh air that personnel's respiratory oxygen content is higher, clean, exhalation is containing CO for air-flow2Air to upper flow, outside self-balancing device 25 discharge chamber of top, room, simultaneously by outside the pollutant of indoor generation and antibacterial discharge chamber, it is achieved the general ventilation in room displacement, space air is cleaned, and oxygen obtains effective supply.
Air-supply flat tube road 23, ground specification is 132X30mm (wide × high), and height is consistent with the heat insulation layer of floor panel heating, lays with layer with floor heating heat insulation layer, does not increase original design ground level.Each room lays air-supply flat tube road 23,1~2 ground, and an air outlet 24 is joined in air-supply flat tube road 23, every ground or air-supply flat tube road, two ground 23 shares a floor blowing air port 24.
As shown in Figure 2, fresh air purifier has the multi-functionals such as primarily efficient filter, photocatalyst decomposing organic matter, medium air filtration, high efficiency electrostatic dedusting, ozone decomposed, Total heat exchange, can effectively remove 2.5 μm and following fine particle in air, there is sterilization simultaneously, decompose the formaldehyde in air, methylamine, benzene, dimethylbenzene, TVOC harmful organic substance, decompose excessive ozone in air, the function of Total heat exchange, the fresh air making feeding indoor is comprehensively purified and is reclaimed cold (heat) amount of room air.
Each functional section of fresh air purifier adopts drawer module design, is made up of six functions section: new wind roughing efficiency air filter 11, nano photo-catalytic 10, new wind medium effeciency filter 9, electrostatic precipitation nest 7, ozone reduction base 6, total-heat exchanger 5.Wherein new wind roughing efficiency air filter 11: the primary filter to new wind, is mainly used in filtering the dust that particle diameter is bigger.Fixed by the additional acrylic frame of nylon wire, can repeatedly clean, need not change;
Nano photo-catalytic 10: with nanoscale TiO2For raw material, make photocatalyst uniformly be attached to surface with minimum granule in conjunction with up-to-date nanotechnology, the oxidation Decomposition such as harmful organic substance, antibacterial such as formaldehyde, methylamine, benzene, dimethylbenzene, TVOC are become harmless CO2And H2O, reaches to purify air, decompose the purpose of harmful organic substance.Ageing-resistant, long service life;
New wind medium effeciency filter 9: filtering for electrostatic precipitation leading portion, to reduce the load of electrostatic precipitation, may filter that PM10 and above particulate matter, filter effect reaches about 70%;
Electrostatic precipitation nest 7: high-pressure electrostatic precipitation (patent of invention ZL00806175.0), purification efficiency high (more than 99%), it is possible to catch the grain dust less than 0.01 micron;Drag losses is little, is suitable for new wind haze operating mode life-time service.Ozone O3Generation amount < 100 μ g/m3, meets international safety standard.
Ozone reduction base 6: application high efficiency plasma Catalysis Principles, when ozone-containing air is by cellular aluminum grid, under the catalytic action of catalyst, it is possible to by the ozone O in air3Decompose, be reduced into oxygen O2;This section of function removes the ozone carried in new wind;Without clean, non-maintaining, it is adaptable to ozone pollution severe area;
Total-heat exchanger 4: air draft and new wind carry out heat exchange (sensible heat+latent heat) at this, to realize recuperation of heat purpose, particularly in area cold in winter and hot in summer, must do total heat recovery for VMC (Ventilation Mechanical Control System).Heat exchange efficiency is up to more than 70%.Long service life, stable performance;
The operation principle introducing New-air purifying system in conjunction with Fig. 1 and Fig. 2 is as follows:
1) outdoor new wind enters fresh air purifier by new wind suction inlet 17, filter the bigger dust of particle diameter, floccule through new wind roughing efficiency air filter 11, enter back into the CO that the oxidation Decomposition such as harmful organic substance, antibacterial such as the formaldehyde in outdoor air, methylamine, benzene, dimethylbenzene, TVOC are become harmless by nano photo-catalytic 102And H2O, reach to purify air, decompose the purpose of harmful organic substance, about 70% PM10 and above granule is filtered out through new wind medium effeciency filter 9, enter the removal of the fine particle less than 0.01 micron that electrostatic precipitation nest 7 is by 99% afterwards, making outdoor new wind thoroughly be purified, new wind utilizes ionic catalysis principle by the ozone O in air then through ozone reduction base 63Resolve into oxygen O2, last new wind enters back into total-heat exchanger 4 and absorbs sensible heat and the latent heat of indoor exhaust wind, and rate of heat exchange reaches 70%, reduces indoor thermal loss, again through pressure fan 3, through new wind air-supply interface 16, new wind is delivered to indoor.
2) foul indoor air enters New-air purifying system by indoor exhaust wind entrance 19, filter through the new wind roughing efficiency air filter 12 of indoor exhaust wind, total-heat exchanger 4 is entered along wind output channel, the latent heat carried in indoor exhaust wind and sensible heat are passed to outdoor new wind by heat exchanger 4, indoor exhaust wind is wind output channel entrance exhaust blower 13 along machine again, and indoor exhaust wind is exported outside 18 discharge chambers by exhaust blower 13 by indoor exhaust wind.
3) the new wind suction inlet 17 of fresh air purifier 20 connects after connecting airduct and is connected with the new wind suction inlet 21 in outdoor, it is ensured that outdoor Leads to new breeze;New wind air-supply interface 16 is connected with indoor air supply duct 23, communicates with outdoor air outlet 22 after the indoor exhaust wind outlet 18 connection airduct of fresh air purifier 20.
Multifunctional new wind cleaning system can remove 2.5 μm and following fine particle in air, has sterilization simultaneously, decomposes the formaldehyde in air, methylamine, benzene, dimethylbenzene, TVOC harmful organic substance, decomposes excessive ozone in air, the function of Total heat exchange.Exhaust air rate is the 60% of new wind air output, can keep room pressure-fired.While making new wind be fully purified, also can avoid the invasion of outdoor air pollution, for house fresh air supply, it is ensured that the perseverance in room oxygen clean, permanent.
Further, the present invention includes hand-held New-air purifying system controller, sets PM2.5, CO in described hand-held New-air purifying system controller2, the sensor such as humiture, in real time monitoring room air parameter.And it is shown on the display screen of hand-held New-air purifying system controller, it is analyzed according to above parameter, calculates simultaneously, require the air-blower control plate in New-air purifying system is wirelessly issued control instruction to adjust pressure fan, exhaust blower working order according to the work-based logic that user sets, make room air reach best in quality.
The operating principle of New-air purifying system is according to PM2.5 concentration and CO2Concentration adjusts the rotating speed of Fresh air handling units.Hand-held New-air purifying system controller has manual and automatic two kinds and controls function.Under manual function, user can adjust the rotating speed of air-supply and air draft by three kinds of functions of motion (sleep, efficiently, normal).Under automatic function, the parameter that system sets according to user is run automatically, and whole control process, for intelligentized control method, it is not necessary to think operation..
BETTER gas level display result on hand-held New-air purifying system controller display floater is according to PM2.5 and CO2Determine Deng numerical value.Relational expression is as follows:
Hand-held New-air purifying system controller (Handheld data terminal) adopts 5 cun of VATN black film liquid crystal display screens, the infrared CO of high accuracy2Sensor, laser PM2.5 sensor, Temperature Humidity Sensor.User can be clear by the video data of display screen, gets information about various parameter (RH, RT, PM2.5, the CO of current indoor air2).Touched by display screen and set PM2.5 and CO2Limiting parameter.System produces final control command air parameter real-time for indoor and the logic parameter that controls setting limiting parameter contrast user's setting.And control command is sent to air-blower control plate by radio communication, it is achieved the start and stop of New-air purifying system blower fan, sleep, the operating condition such as normal, efficient and automatic.The built-in chargeable lithium cell of controller, to realize hand-held mobile collection air parameter, is user-friendly to.
Hand-held New-air purifying system controller arranges toggle switch, adapts to 240,360,480,600 (numbering type of fresh air purifier) different type of machines.Hand-held New-air purifying system controller includes 5 cun of VATN black film liquid crystal display screens and touch panel unit, the infrared CO of high accuracy2Sensor, laser PM2.5 sensor, Temperature Humidity Sensor, chargeable lithium cell, 433mhz wireless module, Wifi wireless module, 16k power down non-volatile data memory, main control chip: STM32fxxxx, customization circuit main board.
Fresh air purifier internal fan panel, it uses technical grade central processing unit, 433mhz wireless communication module, AC/DC power module, receive, by wireless module, the control signal that data terminal (hand-held New-air purifying system controller) sends, and drive air supply motor, motor exhaust, Electrostatic Absorption cleaner unit.Filtration system pressure difference switch signal, cabinet door start signal etc. can be inputted, and export the indication signals such as electrostatic precipitation work instruction, filter network state instruction, power supply instruction, motor operation instruction, LOGO.And the 12V DC source of forceful electric power (220V) power supply of offer breeze fan, exhaust fan, electrostatic precipitator, photocatalyst light and LOGO display lamp.
The built-in air-blower control plate of fresh air purifier includes AC/DC power module, 433mhz wireless module, switching value interface, display lamp output interface, new blower fan and exhaust blower and drives interface, new blower fan and exhaust blower to drive interface SCR, Electrostatic Absorption dedusting to control the circuit main board of interface, 16k power down non-volatile data memory, main control chip: STM8Sxxxx, customization.For safety, under Fresh air handling units energising and running status, open panel during cabinet door and pass through the power supply of cabinet door trip signal force disconnect blowing and discharging fan and electrostatic precipitation.Photocatalyst light is in normal bright state, plays illuminating effect opening cabinet Men Shike.
Further, New-air purifying system assembly housing front panel arranges radio communication display lamp, power supply indicator, filter state display lamp, electrostatic precipitation relay indicating light, and light is white.The antenna of wireless communication module is placed near display lamp, it is to avoid the shielding action of metal shell.When after controller and New-air purifying system communication lost contact 5 minutes; New-air purifying system enters waiting state; wireless telecommunications waiting time is 1 hour; front blower fan operating half an hour keeps the duty before lost contact; half an hour after blower fan enters low-speed run state (if front half an hour, blower fan was low cruise, half an hour after blower fan is out of service), behind 1 hour of waiting state; if communication signal is but without recovery, then Fresh air handling units is shut down.If signal recovers in the waiting process of 1 hour, then press controller instruction operation.New-air purifying system arranges hand switch switch, when not having controller to control, can manually switch switch and open New-air purifying system, and after manually opened, blower fan is in middling speed and runs.In machine, pressure difference signal collection is equivalent to a switch, if filter screen piles up too much dust, will cause that blast increases, and make switch connect, and the cleaning lamp on air-blower control plate is lighted and glimmers;Clean light is controlled by indoor PM2.5 simultaneously, when indoor PM2.5 numerical value is more than 75 and when New-air purifying system runs at fast state, if indoor PM2.5 numerical value rises (per half an hour gathers a number) continuously in 1.5 hours, the cleaned filter screen of clean light flash for prompting (controls to increase this on basis in leeway and controls function, work simultaneously).
Hand-held New-air purifying system controller be provided with " switch ", "+", "-", " setting ", " enter ", " auto ", " sleep function ", " normal function ", the membrane keyboard such as " efficient function ", can directly operate.Wherein after controller powers on, on & off switch is closed, and controller can not control New-air purifying system, and now air quantity place numerical monitor is " 000 ";Pressing on & off switch, on & off switch is opened, and controller enters " AUTO " automatic control function.Again pressing on & off switch, on & off switch is closed.
The parameter setting procedure of hand-held New-air purifying system controller is as follows:
1, by setting button, (PM2.5 permanent clean indicator) flicker, use+and-adjust after PM2.5 setting value is provided with, and confirm setting value by ENTER, (the permanent clean index of PM2.5) no longer glimmers, and setting value preserves.
System default value is 40, and this numerical value can be adjusted by user between 20-60.
2, again by setting button, (CO2Permanent oxygen indicator) flicker, use+and-adjust CO2After setting value is provided with, confirm setting value, (CO by ENTER2Permanent oxygen index) no longer to glimmer, setting value preserves.
System default value is 600, and this numerical value can be adjusted by user between 500-700.
3, blowing and discharging fan air quantity is simultaneously by indoor PM2.5 and CO2Two numerical controls, controlling function is: automatically according to indoor CO under running status2Numerical value (continuous 5 collection numerical value are satisfied by requiring) adjusts blowing and discharging fan rotating speed, wind speed and CO automatically2Numerical value corresponding relation is in detail " air quantity table corresponding to dust and carbon dioxide value ", but when indoor pm2.5 numerical value is just forced to be adjusted to high speed air quantity higher than 75 (continuous 5 numbers are all higher than 75), after indoor PM2.5 is lower than 75, (continuous 5 numbers are respectively less than 75) rotation speed of fan is no longer by PM2.5 numerical control;
Air quantity table corresponding to dust and carbon dioxide value
Exhaust air rate, less than air output, makes room keep pressure-fired, stops outdoor air and invades indoor.
4, under manual function, high, medium and low speed pressure fan air quantity is not subject to CO2And PM2.5 numerical control.
5, shutoff static dust-removing power when indoor PM2.5 numerical value is lower than 40 (continuous 5 collection numerical value are below 40), connection static dust-removing power when indoor PM2.5 numerical value is higher than 40 (continuous 5 collection numerical value are above 40).
6, controller factory default numerical value: PM2.5 is 40, and corresponding to the control numerical value of switch static dust-removing power, this numerical value can adjust between 20~60;CO2Default number is 600, and corresponding to minimum wind speed, this numerical value can adjust between 500~700.Adjustment mode is shown in that controller arranges explanation.
It is further provided with AUTO and manual function switching: 4 segments on screen represent automatically respectively, sleep, normally, efficiently waits operation function.Wherein sleep, normally, efficiently, the low speed in corresponding manual operation function respectively, middling speed, at a high speed.When dispatching from the factory, system default is AutoPlay function, when needs adjust operation function, can directly switch over by corresponding figure button, and after switching, graph of a correspondence white housing will be lighted.
Being provided with air-blower control plate in the fresh air purifier of the present invention, it adopts and arranges parameter as follows:
Input power: AC220V needs AC/DC module 12/2A
Input switch amount: 2 pipe filter pressure differential detection, door trip detects
SCR exports: 2 road 0-100%AC motors control (pwm8 position)
It is wirelessly input to: 1 road 433mhz wireless communication module
Power supply exports: 1 road 12V/1A Electrostatic Absorption powers (needing to control)
Photocatalyst power supply (220V is uninterrupted)
The New-air purifying system of the present invention supports the use hand-held New-air purifying system controller, and it adopts and arranges parameter as follows:
Input power: DC5V needs battery management circuit, power supply managing circuit
PM2.5 sensor: 1 road UART3.3V
CO2Sensor: 1 road UART3.3V
Humiture: 1 road SPI
868mhz radio communication: 1 road SPI
WIFI communicates: 1 road UART3.3V
VATN display screen: 1 road is unknown
Touch screen: 1 road is unknown
Nonvolatile storage: 1 road I2C
In the New-air purifying system of the present invention, use the multiplex energy fresh air purifying control unit optimizing design.Fresh air purifying control unit fresh air purifying controller, shell, liquid crystal touch screen, control circuit mainboard, power down non-volatile data memory, main control chip, chargeable lithium cell, Temperature Humidity Sensor, Wifi wireless module, 433 wireless modules, CO can be mainly included as it is shown in figure 5, multiplex2Sensor and PM2.5 sensor.The effect of all parts is as follows:
5 cun of VATN black film liquid crystal display screens of ★ and touch panel unit, for PM2.5, CO in display room2, humiture, air quality class parameter, fresh air purifier duty, manually adjust setting PM2.5, CO2The duty of parameter and fresh air purifier.
The ★ infrared CO of high accuracy2Sensor, for measuring the CO of room air2Concentration.
★ laser PM2.5 sensor, for measuring the PM2.5 concentration of room air.
★ Temperature Humidity Sensor, for measuring the humiture of room air.
★ chargeable lithium cell, provides working power for controller.
★ 433mhz wireless module, transmission of control signals, send control instruction to fresh air purifier.
★ Wifi wireless module, it is achieved be connected with the Internet.
★ power down non-volatile data memory: under powering-off state, storing memory data message.
★ main control chip: the computing of controller, process and order issue unit.
★ circuit main board: install sensor and circuit components.
★ shell: the outer protection part of controller, installs display screen and circuit board.
The parameter setting procedure of this multiplex energy fresh air purifying control unit is as follows:
One, by setting button, the permanent clean indicator flicker of PM2.5, use "+" and "-" can adjust PM2.5 setting value, after being provided with, confirm setting value by ENTER, the permanent clean index of PM2.5 is no longer glimmered, setting value preservation.
The permanent clean desired value of the PM2.5 of system default is 40, and this numerical value can be adjusted by user between 40-60, and this permanent clean index value is corresponding to the control numerical value of switch static dust-removing power.Under AutoPlay function, when default value is 40, turn off static dust-removing power when the indoor PM2.5 numerical value recorded is lower than 50 (continuous 5 collection numerical value are below 40), connect static dust-removing power when the indoor PM2.5 numerical value recorded is higher than 40 (continuous 5 collection numerical value are above 40).If setting value is other numerical value, the power supply of electrostatic precipitation will be switched according to setting value.
Two, by setting button, the permanent clean indicator flicker of PM2.5, when not using "+" and when PM2.5 setting value is adjusted by "-", again by setting button, CO2Permanent oxygen indicator flicker, now the permanent clean indicator of PM2.5 no longer glimmers, use "+" and "-" can adjust CO2Setting value, after being provided with, confirms setting value, (CO by ENTER2Permanent oxygen index) no longer to glimmer, setting value preserves.
The CO of system default2Permanent oxygen desired value is 600, and this numerical value can be adjusted by user between 500-700, and this numerical value corresponds to minimum speed control signal.Under AutoPlay function, when default value is 600, indoor CO2When numerical value is less than 600, export minimum speed control signal.If setting value is other numerical value, by that analogy.
In addition, every fresh air purifying control unit realizes data transmission with fresh air purifier by a pair 433mhz wireless module, controller and fresh air purifier match one by one, controller can carry out detecting and controlling Fresh air handling units in any one room of family, fresh air purifier can be controlled according to the air parameter in any one room, make PM2.5 and the CO in any one room2Index is controlled.
Controller also has WIFI wireless communication module simultaneously, can be connected with the WiFi of family, it is achieved dock with the Internet, after user mobile phone downloads APP program, remote handset control can be realized, no matter in where where, RH, RT, PM2.5, the CO in room all can be detected on mobile phone constantly2Deng parameter index, and can long-range start and stop fresh air purifying unit.
As Figure 7-8, Fig. 7 is the overall schematic of the drainage screen of the replaceable filter pulp used in New-air purifying system, and Fig. 8 is the sectional view of the drainage screen of the replaceable filter pulp used in New-air purifying system.The housing of the drainage screen of replaceable filter pulp used in the present invention can repeatedly use, and is substantially reduced replacement cost, environmental protection.
Filter screen is made up of six parts, it may be assumed that
1, plastics housing 71: extrusion moulding, plays protection and fixation;
2, plastics housing 72: extrusion moulding, plays protection and fixation;Plastics housing 71 and plastics housing 72 form four outer rim of filter, and shape extrusion forms, sturdy and durable, anti-aging;
3, end protection board 73: acrylic board engraving forms, plays the effect of ventilation, protection filter element, and outward appearance is compared more attractive in appearance than the metal gauze of conventional filter screen, and surrounding is wrapped up and stuck up and down by plastics housing 71 and plastics housing 72, it is impossible to dismounting;
4, upper protection board 74: acrylic board engraving forms; playing the effect of ventilation, protection filter element, outward appearance is compared more attractive in appearance than the metal gauze of conventional filter screen, in three stopper slots being wrapped up, inserting plastics housing by plastics housing 1; not movable up and down, the one side at plastics housing 72 can pull;
5, upper protection board protection limit 75, extrusion moulding, be fixed on protection board can pull, play protection upper protection board, upper protection board position-limiting action;
6, filter pulp 76, cross PM10 and above granule in air filtering, the core component of drainage screen, are made up of glass fibre material.
When drainage screen after a period of operation, the appearance dirt rate of filter pulp reaches certain limit, and now the resistance of drainage screen can strengthen, the air quantity of fresh air purifier will reduce, power consumption strengthen.Adopt this drainage screen; only need to by upper protection board 74 along pull-out outwardly directed shown in figure; being replaced by the filter cotton 76 of onesize specification, then along propelling inwardly oriented shown in figure and reach spacing can fix by upper protection board 74, a new drainage screen just can be formed.Filter pulp is changed simple, and whole shell is reusable, is substantially reduced replacement cost.Filter housing adopts extruded profile and acrylic to make, and outward appearance is beautiful, with low cost.
In order to improve the safety of this New-air purifying system rack, a kind of fresh air purifier door lock of specialized designs, as shown in figs9-12.The fresh air purifier door lock of the present invention is a kind of fresh air purifier door lock with self-locking device, such as Fig. 9, the fresh air purifier door lock of the present invention includes: the parts such as lock ring 81, dead bolt 82, door spanner 83, stay cord 84, extension spring 85, door-hinge 86, dead bolt rotating shaft 87, stay cord rotating shaft 88, door-plate 89.Door-plate 89 is arranged on fresh air purifier shell side by door-hinge 86, and door-plate 89 can rotate around door-hinge 86, as it is shown in figure 9, lock ring 81 is fixed on the opposite side of fresh air purifier shell;Dead bolt 82 and door spanner 83 are fixed on door-plate 89 side, dead bolt 82 and door spanner 83 by dead bolt rotating shaft 87 and can rotate around zip tongue rotating shaft 87, as shown in Figure 9;Stay cord 84 and extension spring 85 1 be fixed on door-plate 89 by door-hinge side, the other end is fixed on a spanner 83, and stay cord 84 can slide around stay cord rotating shaft 88.Fig. 9 is door state when closing, and under the pulling force of extension spring 85, dead bolt 82 and lock ring 81 are combined closely, simultaneously door spanner 83 parallel with door-plate 89 press close to.When needs open the door, the direction of arrow shown in Figure 10 is moved a spanner 83, door spanner 83 and dead bolt 82 and is rotated around dead bolt rotating shaft 87, and dead bolt 82 leaves lock ring 81, and stay cord 84 arrow direction indication along Figure 10 moves simultaneously, and extension spring 85 is stretched;Being pulled open by door by the direction of arrow shown in Figure 11, whole door will rotate along door-hinge 86 along direction shown in arrow, and door will be opened again.Hands leaves a spanner 83, and door spanner 83 will set back under the effect of extension spring 85, extension spring 85 also returns to the original length, as shown in figure 12.
At closing time, first operate according to Figure 11 opposite direction, move a spanner 83 simultaneously, now extension spring 85 can be stretched again, returning after state shown in Figure 10 until door, after hands leaves a spanner 83, door spanner 83 and dead bolt 82 will rotate by with arrow opposite direction shown in Figure 10 around dead bolt rotating shaft 87 under the effect of extension spring 85, making dead bolt 82 enter lock ring 81, door spanner 83 parallel with door-plate 89, whole door is returned to state shown in Fig. 9.Open the door and at closing time, all can pass through rotate door spanner 83 make extension spring 85 stretch, door close put in place after, door spanner 83 and dead bolt 82 again can under the pulling force of extension spring 85 reset itself locked and reset, the elastic force of extension spring 85 is more big, door close more tight.Door is under the effect of extension spring 85, it is achieved that self-locking.Due to the pulling force effect of extension spring 85, can open just need certain strength to move a spanner 83 when enabling, in order to move exerting oneself of a spanner 83 when reducing enabling, by the extended length of door spanner 83.Door up and down mono-self-locking device of Ge Jia, the door spanner of two self-locking devices is made of one, and sees to be exactly a sheet parallel with door from the outside, strengthens the overall aesthetic of fresh air purifier.Whole door latch structure is simple, it is simple to operation, and can realize self-locking.
The New-air purifying system of the present invention is preferably mounted in house, it is preferred to use under the supply and exhaust mode served back, new wind is from lower floor feeding room, room, it is directly entered occupied zone, from bottom to top, the fresh air that personnel's respiratory oxygen content is higher, clean, exhalation is containing CO for air-flow2The air of air to upper flow, outside exhaust outlet 611 discharge chamber of top, room, simultaneously by outside the pollutant of indoor generation and antibacterial discharge chamber.Realizing the general ventilation displacement in room, space air is cleaned, and oxygen obtains effective supply.
Room supply and exhaust mode is shown in Figure 13, Figure 13 that 68 is ground ajutage, 60 be air port of blowing, 611 is upper exhaust outlet.After purifying, the new wind containing sufficient oxygen delivers to ground air outlet 60 through ground ajutage 68, and new wind delivers to indoor from ground air outlet 60, and from bottom to top, the fresh air that personnel's respiratory oxygen content is higher, clean, exhalation is containing CO for air-flow2Air to upper flow, on room outside exhaust outlet 611 discharge chamber, simultaneously by outside the pollutant of indoor generation and antibacterial discharge chamber, it is achieved the general ventilation in room displacement, space air is cleaned, and oxygen obtains effective supply.
Ground air supply duct lays sees Figure 14, Tu14Zhong: 61 is ground floor (floor tile or timber floor), and 62 is screed-coat, 63 add heat pipe for floor heating, and 64 is heat insulation layer, and 65 is floor, 66 and 69 is waterproof layer (only damp rooms sets), and 67 is floor heating pipe packed layer, and 68 is ground ajutage.Each part mentioned above is the necessary part of normal floor warming ground construction institute except ground ajutage 68, the present invention only need to increase ground ajutage 68 in heat insulation layer, that is before construction heat insulation layer 64, first ground ajutage 68 is constructed, then constructing heat insulation layer 64, ground ajutage 68 and heat insulation layer 64 are in same aspect, and ground ajutage 68 specification is 320X30mm (wide × high) again, height is consistent with heat insulation layer 64, does not increase original design ground level.Each room lays 1~2 ground ajutage 68, and every ground ajutage 68 joins an air outlet 60 or two ground ajutages 68 with sharing one air outlets 60.
In addition, in the second embodiment of the present invention, the New-air purifying system of the present invention uses multifunctional new wind clearing machine, and described multifunctional new wind clearing machine includes new wind filter house, return air filter house, and new wind filter house includes fresh wind port, the first blower fan, the first wind filtering module, indoor air outlet;Return air filter house includes the second blower fan, the second filtering module;First filter house and the second filter house do not connect mutually, and new wind and air draft are in the exchange realizing heat through heat exchange unit.
Further, multifunctional new wind clearing machine includes housing, the first blower fan, the second blower fan, new wind filtering module, air draft filtering module, fresh wind port, return air inlet, air outlet, exhaust outlet, first blower fan is fresh-air fan, it is located in the first scroll casing type cavity, the arc air-out passage of the first scroll casing type cavity connects rectangle cavity, and the cross section in the exit of this arc air-out passage is less than the cross section of rectangular cavity;First blower fan suction inlet connects the first filtering module, and the first filtering module connects new wind air-inlet cavity, new wind air-inlet cavity connection fresh wind port;Second blower fan is exhaust fan, and it is located in the second scroll casing type cavity, and the arc air-out passage of the second scroll casing type cavity is by the exhaust outlet on the second air-out chamber connection housing, and the cross section in the exit of this arc air-out passage is less than the cross section in the second air-out chamber;Second scroll casing type cavity, the second filtering module, elongated cavity adopt and are arranged side by side;Being connected by the second filtering module between the suction inlet of elongated cavity and the second scroll casing type cavity, the second filtering module is plate filtration module, and its air intake end face is used for closing elongated cavity;New wind and air draft are all through heat exchange module, process in the different passages of heat exchange, and two passages are not connected, pass to new wind at the heat in heat exchange module, air draft and realize heat exchange.First blower fan, the second blower fan are arranged in same housing up and down;With the position of the first blower fan for bottom, a face of lower housing portion offers air outlet, and the top of housing has fresh wind port;The position of the second blower fan is top, and elongated cavity is positioned at above the second blower fan, and the housing at elongated cavity place has return air inlet and exhaust outlet.Wherein, the first filtering module includes roughing efficiency air filter, medium effeciency filter, nano photo-catalytic module, high efficiency electrostatic filtering module and ozone decomposed module, and the material of high efficiency electrostatic filtering module adopts the high-efficient filter core material of more than H14 rank.Second filtering module adopts board-like type primarily efficient filter module;New wind air-inlet cavity position is parallel with the second scroll casing type cavity.
In addition, it is provided with new wind drainage plate device with the first filtering module connectivity part in rectangle cavity, new wind drainage plate device is plate frame formula structure, new wind drainage plate device housing is fixed in rectangle cavity, new wind drainage plate device is provided with the arc BAIYE deflector of multi-tier arrangement, arc BAIYE deflector one end is fixed, one end is open end, and the arc-shaped bend direction of its open end is tilt towards the spiral case air-out direction of the first blower fan.New wind drainage plate is when guiding new wind, it is possible to keep new wind to flow to output with same, it is to avoid high-efficient filter wicking surface pollutant are blown off by new wind.The housing of rectangle cavity can offer one or more opening or through hole.
The multifunctional new wind clearing machine of the present invention at least includes six kinds of filtrations, purification functions, and its concrete structure is: initial effect filtering section, medium efficiency filtration section, nano photo-catalytic clean-up stage, high-pressure electrostatic precipitation section, ozone reduction section and heat exchange segment.Except heat exchanging segment, other each functional section adopts platy structure, and platy structure is provided with frame.The upper side wall of the plate-type primary-effect filtering module of the first filtering module is air intake, board-like ozone reduction module lower side is outlet air end, left and right sides and rear side and new blower housing are combined closely, front side is can opening-door plate, when Qianmen is closed, door and the first filtering module are combined closely, and form, with the new blower housing of left and right sides and rear side, the air channel closed;All filtrations of the first filter element, clean unit all can pull out.First filtering module, with direction that air is drawn into from top to bottom for order, installs primarily efficient filter module, nano photo-catalytic cleaning module, medium air filtration module, high-pressure electrostatic precipitation module, ozone reduction module and heat exchange module successively.Its filtering module can adopt multiple combination grafting, such as except formaldehyde or except benzene class or except TVOC or degerming module etc..The assembly of the second filtering module adopts platy structure, and platy structure is provided with frame, and platy structure is plugged in housing.
Further, first, second blower fan adopts adjustable speed fan, fresh air purifying machine controller is provided with temperature measuring probe, PM2.5 sensor, CO2 sensor, wherein, temperature measuring probe is for the temperature in real-time sensing chamber, PM2.5 and CO2 sensor is for detecting IAQ (indoor air quality) in real time, temperature measuring probe, PM2.5 sensor and CO2 sensor are all connected with controller, controller is automatically adjusted the rotating speed of first, second blower fan or the rotating speed of prompting manual adjustment first, second blower fan according to the data message received, thus adjusting the air quantity of new wind and return air.When air quality is poor, can the new wind of automatic adjustment height and air draft air quantity, new wind and air draft air quantity can be automatically turned down on the contrary.Multifunctional new wind clearing machine is provided with controller, and controller connects first, second blower fan by wireless transmission method, and on housing, fresh wind port connects with other space or room;Controller includes function point analysis module, and function point analysis module includes manual control module and automatic control module;During air cleaning systemic circulation, first, second blower fan is rated speed, and the second fan delivery is less than the first blower fan, and the room of fresh air purifying service keeps malleation.This kind of regulative mode is advantageous in that: keep room rate malleation constantly, can be effectively prevented from the invasion of outdoor air pollution.
In multifunctional new wind clearing machine, fresh inlet is 1, is located at case top, can be connected to outdoor by pipeline during use.Air outlet can be provided with multiple, is opened in three sides of lower rectangular cavity, offers as required during use.
In the particular embodiment, can only with a fresh air purifier in family, its new wind air outlet can pass through to be located at room air supply at the bottom mouth and blow to room, and then foul indoor air causes the exhaust outlet of fresh air purifier again through the static organ on top, room.
The above; being only the present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; the change that can readily occur in or replacement, all should be encompassed within protection scope of the present invention.Those skilled in the art is appreciated that when the spirit and scope of the present invention defined without departing substantially from claims, it is possible to make various amendment in form and details.

Claims (5)

1. a New-air purifying system, it is made up of fresh air purifier, total replacement ventilation unit, hand-held New-air purifying system controller three part;
It is characterized in that, ground air-supply flat tube road (23), floor blowing air port (24) and self-balancing device (25) composition total replacement ventilation unit.
2. according to the New-air purifying system described in claim 1, it is characterised in that it can remove 2.5 μm and following fine particle in air, there is sterilization simultaneously, decompose the formaldehyde in air, methylamine, benzene, dimethylbenzene, TVOC harmful organic substance, decompose excessive ozone in air, the function of Total heat exchange.
3. according to the New-air purifying system described in claim 1, it is characterised in that its exhaust air rate is the 60% of new wind air output, can keep room pressure-fired;While making new wind be fully purified, also can avoid the invasion of outdoor air pollution, for house fresh air supply, it is ensured that the perseverance in room oxygen clean, permanent.
4. according to the New-air purifying system described in claim 1, it is characterized in that, outdoor fresh air new wind suction inlet (21) outdoor enters, fresh air purifier (20) is delivered into through pipeline, 2.5 μm and following fine particle in air can be effectively removed through fresh air purifier, there is sterilization simultaneously, decompose the formaldehyde in air, methylamine, benzene, dimethylbenzene, TVOC harmful organic substance, decompose excessive ozone in air, the function of Total heat exchange, makes the fresh air through fresh air purifier 20 comprehensively be purified and reclaim cold (heat) amount of room air.After purification, the new wind containing sufficient oxygen delivers to floor blowing air port (24) through ground air-supply flat tube road (23), new wind delivers to indoor from floor blowing air port (24), from bottom to top, the fresh air that personnel's respiratory oxygen content is higher, clean, exhalation is containing CO for air-flow2Air to upper flow, outside self-balancing device (25) discharge chamber of top, room, simultaneously by outside the pollutant of indoor generation and antibacterial discharge chamber, it is achieved the general ventilation in room displacement, space air is cleaned, and oxygen obtains effective supply.
5. according to the New-air purifying system described in claim 3, it is characterized in that, air-supply flat tube road (23) specification in ground is 132X30mm (wide × high), and height is consistent with the heat insulation layer of floor panel heating, lay with layer with floor heating heat insulation layer, do not increase original design ground level.Each room lays 1~2 ground air-supply flat tube road (23), and every ground air-supply flat tube road (23) with joining an air outlet (24) or two air-supply flat tube road (23) shares a floor blowing air port (24).
CN201610299310.7A 2016-05-08 2016-05-08 Fresh air purifying system CN105805836A (en)

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