CN104296298B - To the regulation cleaning system of the dual monitoring of indoor and outdoor air - Google Patents
To the regulation cleaning system of the dual monitoring of indoor and outdoor air Download PDFInfo
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- CN104296298B CN104296298B CN201410611498.5A CN201410611498A CN104296298B CN 104296298 B CN104296298 B CN 104296298B CN 201410611498 A CN201410611498 A CN 201410611498A CN 104296298 B CN104296298 B CN 104296298B
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/0001—Control or safety arrangements for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
- F24F8/158—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using active carbon
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a kind of regulation cleaning system to the dual monitoring of indoor and outdoor air, including：Ventilation and purification equipment, window opener and its control module, monitoring device, state display and control device, central controller, when the monitoring device of installation indoors, which is measured in room air, has more than one of pollutant to exceed threshold value set in advance, central controller starts blower fan after this information is received, and the air by purification is passed through into interior；When monitoring device installed outdoors, which is measured in surrounding air, has more than one of pollutant to exceed threshold value set in advance, then central controller sends the instruction for closing window to window opener control module.The present invention is monitored simultaneously by the air to indoor and outdoor, purification ventilation is carried out to air, ensure the content of indoor air pollutants under predetermined threshold value, the problem of conventional air cleaning system effectively can not completely cut off outdoor air pollution is solved, reliable guarantee is provided for the room air of cleaning.
Description
Technical field
It is logical using the pressure for having filtering the present invention relates to field of environment engineering technology, more particularly to environmental monitoring and purification
The technology that the mode of other air circulation channels of wind and closing is monitored and purified to Indoor Air Pollution with outdoor Air Pollution thing.
Background technology
People have earlier understanding to the infectious disease pathogens in room air, and other injurious factors are then recognized less.Its
It is real, live in cave and early in the period of its interior igniting, baked food and heating early in the mankind, just there is smoke pollution.But the model of this kind of influence at that time
Enclose minimum, the duration is very short, also extremely frequently, therefore, room air pollution has no significant hazard for the outdoor activity of people.With people
The high development of class civilization, since entering particularly into 20 middle of century, due to consumption increase, the change got in of domestic fuel
The type and quantity of chemical product and electric equipment increase, more due to building more to encrypt to save the house of energy cold district
Close, the indoor pollution factor increasingly increases and ventilation ability weakens on the contrary, this cause the concentration of some indoor pollutants compared with
Outdoor is up to more than decades of times.
In addition, containing the inorganic pollution such as more fluorine, arsenic in the coal of certain areas, can be polluted during burning room air and
Food, after sucking or eating, can cause fluorine poisoning or arsenic poisoning.
Cook.Cook the oil smoke produced and not only hinder general health, it is often more important that wherein containing Cancer-causing mutation thing.
Indoor unclean, sensitization biological growth.Main indoor sensitization biology is fungi and dust mite.Essentially from family
Fowl, dust etc..The growth of fungi is very capable, as long as slightly moisture and organic matter, can grow.Such as glass surface, family expenses
Electrical equipment inside, wall seam in, on plank, even jet plane premium gas cylinder plug on can also grow.Dust mite happiness is moist
It is warm, mainly it is grown in dust, mattress, pillow, couch, clothes, food etc..Either live mite or dead mite, or even its
Cast off a skin or excreta, all with antigenicity, asthma or nettle rash can be caused.
Patient propagates pathogen.Patient with respiratory infectious disease, passes through expiratory air, sneeze, cough, phlegm and nasal mucus
Deng pathogen being broadcast into other people.
The instrument and equipments such as duplicator, electrostatic precipitator that interior is used produce ozone（O3）；O3It is a kind of strong oxidizer.It is right
Respiratory tract has stimulation, can especially damage alveolar.
Household electrical appliance produce electromagnetic radiation.If radiation intensity is very big, it can also make one dizzy, addicted to saliva, powerless, memory declines
Move back.
The pollutants such as indoor dust, burning particles thing, the spittle, are combined with indoor air light ion, formed weigh from
Son.The former is only capable of retaining 1 minute in foul atmosphere, and the latter can then retain 1 hour, thus strengthens weight cation not
Good influence：Headache, vexed, tired, blood pressure rise, One's spirits are drooping, notice decline, ability to work reduction, insomnia etc..
Injurious factor directly distributes interior and has many objects and articles for use in indoor article, and itself has containing various
Noxa, once in air, it will come out and cause harm.Essentially from following several respects：
Construction material.In the raw material of the construction materials such as some cement, brick, lime, inherently containing radioactivity radium.It is yet to be built
Build after thing completion, the decay matter radon of radium（222Rn）And its daughter will be discharged into room air, into human respiratory tract, it is
One of cause of disease of lung cancer.Radon contents is about below 10Bq/m3 in outdoor air, and decades of times can be exceeded during indoor severe contamination.It is beautiful
State's lung cancer excess death toll as caused by radon and its daughter is 1~20,000.
Use melocol foam-thermal insulation（UFFI）House, can release a large amount of formaldehyde, sometimes up to 10mg/
More than m3.Formaldehyde has obvious stimulation, and the stimulation to eye, larynx, tracheae is very big；Abnormal original can be formed in vivo, caused
The allergy of bronchial astehma and skin；Energy liver injury, especially has the people of hepatitis past medical history, lives in UFFI movable dwellings
After, easily recur hepatitis.Long-term inhalation of low concentration formaldehyde, can cause under headache, dizziness, nausea, expiratory dyspnea, PFT
Drop, neurasthenia, immunologic function are also impacted.Animal experiment can induce nasopharyngeal carcinoma.There is not yet the epidemiology of human carcinogen
Evidence.
Contain asbestos in some construction materials, asbestos fibre can be given out.Asbestos can cause lung cancer, and chest, peritoneal mesothelioma.
Furniture, adornment and decoration ornaments.Conventional has flooring laminate, floor tile, chemical fibre carpet, plastic wallpaper, thermal insulation
Furniture made such as material, urea-formaldehyde resins adhesive and the fiberboard being sticked with the adhesive, glued board etc. can
Discharge a variety of VOCs, mainly formaldehyde.In newly-built luxurious hotel of Shenyang China city, concentration of formaldehyde is up to
Reachable 0.17mg/m3 or so after new decoration in 1.11mg/m3, common household, decrescence later.In addition, some products can also discharge
Go out no less than 100 kinds of volatile organic matters such as benzene,toluene,xylene, CS2, chloroform, trichloro ethylene, chlorobenzene.Wherein have
Can liver injury, kidney, marrow, blood, respiratory system, nervous system, immune system etc., what is had even can sensitization, carcinogenic.
Daily life and office appliance.Such as cosmetics, detergent, cleaning agent, disinfectant, insecticide, textile, oil
Ink, paint, dyestuff, coating etc. can all give out formaldehyde and other kinds of VOC, surfactant etc..This
It can be transferred through respiratory tract and skin effects human body.
A part of injurious factor in pollutant outdoor environment from the outside into the room, can also pass through various appropriate Jie
Matter is got in.Common situations below：
When the pollutant in air is higher than indoor concentration, it can be got in by approach such as door and window, gaps.Such as particle
Thing, SO2、NO2, polycyclic aromatic hydrocarbon and other pernicious gases.
The area of radium-bearing in soil, the decay matter radon of radium and its daughter can pass through house foundation or the entrance in house
The gap at place is got in.Underground water can also be first dissolved in, when interior is using underground water, that is, is escaped into air.Basement
Or the radon consistence in bottom room air is up to hundreds of B9/m3, floor is higher, and concentration is lower.
A kind of gram-negative bacillus, referred to as Legionnella can be contained in soil or in natural water body.It can be cooled down with air-conditioning
Water, humidifier is got in form aerosol with the water column of water even shower nozzle, and pulmonary infection is caused into human respiratory tract,
Referred to as legionaires' disease（Legionella pneumophila disease）.
Artificially bring into.Clothes, apparatus etc. can enter the room the pollutant such as lead dust band in working environment or other outdoor environments
It is interior.
More than in addition to the source of three broad aspects, also some other sources.For example, the photochemical effect of ultraviolet can
To produce ozone.
In a word, the source of indoor air pollutants very wide, species is a lot, and many danger can be caused to health
Evil.Moreover, pollutant can be often present in room air with several species simultaneously, human body can be acted on simultaneously and connection is produced
Close adverse effect.
The time of people daily an average of about more than 80% is spent indoors.It is more existing with life style with producing
Dai Hua, more work and sports entertainment can all be carried out indoors, and shopping need not also go into the street daily, suitable indoor small
Weather makes people often to arrive outdoor de-regulation fuel factor, so, and the indoor activity time of people is just more, even as high as
More than 93%.Therefore, IAQ just seems more closely more important to the relation of health.Although, indoor pollution
The concentration of thing is often relatively low, but because time of contact is very long, therefore its accumulation exposure is very high.The especially body such as the elderly, young, sick, disabled
Weak crowd, Abwehrkraft des Koepers are relatively low, outdoor activities chance is less, and therefore, the fine or not relationship with them of IAQ is outstanding
To be important.
In view of the problem of there is serious air pollution phenomenon, city between the actual requirement that China develops production, town and country
The pollution of industrial construction and construction material is concentrated on, industrial waste, the finishing material of people's amount are all pollution sources；Rural the problem of is
Pollution problem derived from the further processing procedure of the means of production, improves the living condition, interior decoration also tends to municipal pollution
Degree.Therefore how to coordinate the relation between production development and environmental management, protection turns into the common problem in the whole world.It is empty
Gas is that activity nature of life forms the dual of indoor pollution threat in valuable source for the survival of mankind, unmodifiable thing
Limitation, for the harm property analysis of the chemical substances such as formaldehyde, old man and teenager are easier to be encroached on, and are easy to break this
With regard to last line of defense of low resistance.National power, the national conditions of the phenomenon combination China, form urgent problem to be solved.Otherwise
By the benign development of serious restriction population, break the long-acting assured mode of population health quality.Set up the air monitering machine of system
System is current solves
The effective scheme of air problem, careful control is realized by the analysis of science, monitoring, processing.
With the improvement of living standards, people increasingly focus on room and office space improvement of terms, a large amount of use beautifications,
Ornament materials, causes substantial amounts of chemicals to use indoors, and many poisonous and hazardous materials stealthily threaten human body
Health.The rising of the incidences of disease such as those common breathing problem, anaphylactia, skin disease, cancers, it is all dirty with room air
Dye is closely related, and room air pollution has turned into " the stealthy killer " of harm human body health.At the same time, room air is dirty
Dye purification techniques research is put on the agenda.
The technology for being monitored and purifying to IAQ is quite ripe.Also there are a variety of ripe schemes can be right
The compositions such as graininess suspension, sulfide, nitrogen oxides in air are monitored, and according to the type of monitoring object, concentration
Situations such as alarm or start air cleaning unit.
These technologies do not consider outdoor environment occurs which kind of counter-measure should be taken during more serious air pollution.Closely
Nian Lai, the air pollution of China big and medium-sized cities is on the rise.The graininess such as PM2.5 suspension and vehicle exhaust, Industrial Boiler
The combustion product adverse effect on human health included in smoke evacuation is quite obvious.Although filtering out these from air to be harmful to
The technology of composition is existing, still, also without a kind of comprehensive environmental monitoring system, is influenceed in view of outdoor air pollution
In the case of, the air quality to the indoor confined space is controlled.
The content of the invention
The technical problem to be solved in the invention be how to the air parameter of indoor and outdoor while being monitored, when outdoor empty
When substantially unfavorable to health pollution occurs in gas, using the forced ventilation for having filtering and other air circulation channels are closed
Mode, it is ensured that IAQ does not harm health substantially.
A kind of regulation cleaning system to the dual monitoring of indoor and outdoor air, including：Ventilation and purification equipment, window opener and its
Control module, monitoring device, state display and control device, central controller, it is characterised in that：The ventilation and purification equipment
Ventilation duct, blower fan and its control module, air purifier are set, and the top of ventilation duct is located outside, end leads to throughout the room
Air port is connected；The monitoring device provided with graininess suspension sensor, sulfide sensor, volatile organic matter sensor and
Signal acquisition circuit, it is outer indoors respectively to set more than a set of；The state display and control device is provided with touch-screen；The center
Connected between controller and each device by digital communication lines, receive the signal from each device and according to the program pair of setting
Each device sends command signal；
Its method of operation is to have more than one of pollutant to surpass when installing monitoring device indoors and measuring in room air
When crossing threshold value set in advance, Acquisition Circuit sends data to central controller, and central controller is opened after this information is received
Dynamic blower fan, interior is passed through by the air by purification；There is one when monitoring device installed outdoors is measured in surrounding air
When above pollutant exceedes threshold value set in advance, Acquisition Circuit sends data to central controller, and central controller is being received
Signal is sent to state display and control device after to this information, alarm is sent to indoor occupant, if not having within preset time
Artificial operational feedback, then central controller the instruction for closing window is sent to window opener control module.
Further, the ventilation and purification equipment, window opener control module, monitoring device using RS485 buses with
Communicated between the central controller, each covering device has a corresponding address code, the central controller with any one suit
The type and installation site of the device can be recognized during putting communication.
Further, the control module of the blower fan is had using each fan control module of photoelectric coupling isolation control circuit
Corresponding address code；The instruction that the central controller is sent to any fan control module includes the fan control module
Address code and the instruction for adjusting fan condition.
Further, the control module of the window opener has corresponding address code；Central controller, which is received, comes from each windowing
The opening and closing the window status signal of device control module, window opener control is included to the instruction that any window opener control module is sent
The address code of module and the instruction for being opened and closed window.
Further, manual window opening and closing button is provided with beside each window, the window can be manually controlled by operator
Window opener and change the open and-shut mode of window；The priority manually controlled is automatically controlled higher than the central controller, when
, will be described when the acquiescence open and-shut mode that the open and-shut mode of artificial control window is in window in running status with system is disagreed
Warning message is shown on state display and control device.
Further, the electrostatic precipitation mould removably cleaned is set gradually along air-flow direction in the air purifier
Pressure differential detection sensor is installed in block and replaceable charcoal absorption module, the airduct of the electrostatic precipitation, with its signal
Acquisition Circuit is connected；The port of export of the charcoal absorption module is provided with formaldehyde, sulfide, oxides of nitrogen gas sensors, with
Its signal acquisition circuit is connected；Described laying dust signal acquisition circuit passes through used in monitoring device with gas signal Acquisition Circuit
RS485 buses are communicated with central controller, send the laying dust and gas data of its collection；The central controller detects laying dust
Have in signal or gas signal it is a certain exceed respective threshold when, will be shown on the state display and control device need cleaning
Dedusting module or the warning message for changing adsorption module.
Further, the touch-screen that the state display and control device is used, can show outdoor and indoor environment prison
Survey situation, ventilation running status, window open/close states, every warning message.
Utstanding substantial characteristics and significant improvement of the present invention are：
1. environmental monitoring and regulating system that the present invention is provided, are monitored simultaneously by the air to indoor and outdoor, and
Purification ventilation is carried out to air when needing, it is ensured that the content of indoor air pollutants is under predetermined threshold value, automaticity
Height, solves the problem of conventional air cleaning system effectively can not completely cut off outdoor air pollution, is provided for the room air of cleaning
Reliable guarantee；
2. the present invention can smoothly allow the inner space of building to be taken a breath, and can reduce installation cost, it is
Household provides a comfortable environment of health；
3. provided with electrostatic precipitation module and replaceable charcoal absorption module in the air purifier of the present invention, quiet
Pressure differential detection sensor is installed in the airduct of electric precipitation, formaldehyde, sulfide, nitrogen are provided with the port of export of charcoal absorption module
Oxide gas sensor reasonable in design, air quality that can effectively in regulation room；
4. the control module of the window opener of the present invention has corresponding address code；Central controller, which is received, comes from each window opener
The opening and closing the window status signal of control module, window opener control mould is included to the instruction that any window opener control module is sent
The address code of block and the instruction for being opened and closed window, when the monitoring device installed outdoors measure in surrounding air have one with
When upper pollutant exceedes threshold value set in advance, central controller can send the instruction for closing window to window opener control module,
Reach the effect of auto-control IAQ；
5. the touch-screen of the present invention, can show that outdoor and indoor environmental monitoring situation, ventilation running status, window are opened and closed
State, every warning message, are easy to regulate and control the device of whole system；
6. the regulation cleaning system and its implementation to the dual monitoring of indoor and outdoor air of the present invention, structure design is closed
Reason, it is simple to operate, there are energy-saving and environmental protection, meet the current energy-saving and emission-reduction of country, energy-saving strategy side
Pin.
Brief description of the drawings
Fig. 1 is the regulation cleaning system block diagram to the dual monitoring of indoor and outdoor air in the embodiment of the present invention；
Fig. 2 is touch screen interface circuit block diagram provided in an embodiment of the present invention；
Fig. 3 is window opener module control module circuit block diagram provided in an embodiment of the present invention；
Fig. 4 is fan control module circuit block diagram provided in an embodiment of the present invention；
Fig. 5 is monitoring device circuit block diagram provided in an embodiment of the present invention；
Each sequence number shown device or equipment meaning are as follows in figure：10- Samsung S3C2410 central controllers, 20- touch-screens,
30- window opener control modules, 40- manual window opener controlling switches, 50- fan control modules, 60- air quality monitoring modules.
Embodiment
As shown in figure 1, the one embodiment for the regulation cleaning system to the dual monitoring of indoor and outdoor air that the present invention is provided
Including：Set a Samsung S3C410 as central controller 10, be mainly responsible for the collection and processing of various signals；One 800
The resistive touch screen 20 of × 480 resolution ratio is used as input and display device；Central controller 10 comes with the communication of three tunnels 485 and connect
Mouthful, it can access 127 equipment after using communication chip MAX487 and twisted-pair feeder shielding communication cable per the bus of road 485；This example
In only use all the way the communication interface of standard 485 can meet all devices access.
The system is used as display and input unit, the touch using one piece of TFT8048BS-8WKT, 8 cun of resistive touch screens
Screen 20 has carried drive circuit, is connected using parallel busses (Intel8080 interfaces) mode with central controller 10.Such as Fig. 2
It is shown, the A [8 of central controller 10：1] Data [7 of pin and touch-screen 20:0] data pin is connected, central controller 10
B1-B5 is connected with the A0 of touch-screen 20, A1 ,/CS ,/WR ,/RD pins respectively.The man-machine interface of system includes indoor and outdoors
Graininess suspension (PM2.5, PM10), pernicious gas and volatile organic matter monitor value are shown；The status display of each blower fan；
The state of cleaning module and the status display of window control module.Wherein, every pollutant monitoring value of indoor and outdoors is shown
The action threshold value of setting is shown below frame for comparison.When having electrostatic precipitation module or activity in ventilate and purify equipment
When charcoal adsorption module is in saturation state, the warning letter that need to be cleaned dedusting module or change adsorption module can be shown on touch-screen
Breath；When the open and-shut mode for having window is disagreed with the current open and-shut mode demand to window of system, it can be shown on the touch-screen
Corresponding warning message；If monitor there are one or more kinds of pollutant loads in outdoor environment more than action threshold value, touch
Corresponding warning message can also be shown on screen by touching.The display of the above is realized by software.
Central controller 10 is adopted with window opener control module 30, fan control module 50 and air monitering control module 60
It is connected with the same order circuit of standard 485.Modules module constitutes independent particle system, possesses independent address and independent diagnostics
Ability, central controller 10 is only sent instructions to when some module breaks down, the operation without influenceing other modules.
It is illustrated in figure 3 the circuit block diagram of window opener control module 30；Wherein controller A uses ATmega8L single-chip microcomputers,
Controller A PB0 pins after optocoupler with relay K1（Contact capacity is AC250V, 10A）It is connected；Relay K1 auxiliary is touched
The control loop of point access electric window-opening device, which is realized, to be controlled the switch of electric window-opening device.Controller A PB1 pins pass through optocoupler
The condition adjudgement window opener that selecting switch the auxiliary contact K2, controller A in access window opener control loop pass through K2 afterwards is place
In manual or automatic control state.Controller A PB2 pins access the auxiliary contact of window opener signal wire extraction after optocoupler
Whether K3, controller A have been switched in place by K3 condition adjudgement window opener.Controller A PB3 pins are after optocoupler with opening
The overheat feedback signal K4 of window device is connected, and controller A can determine whether whether window opener is plugged or breaks down by K4 state.
Each window opener control module 30 has unique address code；Central controller 10 is received from each window opener control module 30
Opening and closing the window status signal, includes the address of the window opener control module to the instruction that any window opener control module 30 is sent
The instruction of code and opening and closing window；After central controller sends the instruction for closing window to window opener control module, corresponding window
Family will be closed under the driving of window opener.If however, window opener encounters the resistance of overload and can not close window when closed
Family, will be to corresponding control module feedback signal, and control module sends signal then to central controller 10, central controller from
And the warning message of window failure at this is shown on foregoing touch screen 20；On the other hand, when central controller 10 judges to need
Close window, and user also will show police when manually operating one or more windows to open on foregoing touch-screen 20
Accuse information.
The circuit block diagram of fan control module 50 is illustrated in figure 4, wherein controller A uses ATmega8L single-chip microcomputers, control
Device A processed PB0 pins by after optocoupler with 5V relays K1（Contact capacity is AC250V, 10A）Circuit is connected, and passes through relay
K1 realizes the control to blower fan loop；Controller A PB1 after optocoupler with the contactor auxiliary contact K2 in air-blower control loop
It is connected, to pass through the operation conditions of K2 condition adjudgement blower fan；Controller A PB2 pins after optocoupler with air-blower control loop
In electrothermal relay auxiliary contact K3 be connected, to judge whether that overheating fault occurs in blower fan by K3.Controller A ADC0 draws
Pin is connected with blast gap sensor S1 signal output pin OUT, and needs are judged whether by judging the pressure difference of inlet and outlet
Scavenging air filter.Controller A RXD and TXD accesses 485 buses of central controller 10 after MAX487 chips, center
Controller 10 sends the command signal that control blower fan is started or stoped by the RS485 buses to any fan control module.Often
A set of fan control module all possesses wraps in itself specific address code, the signal that central controller is sent by RS485 buses
Contain the address code of specified fan control module, therefore each set fan control module can independent operation.Fan control module
50 also the state of Self address, fan operation（Operation, stopping, failure）Whether there are all information of saturation with cleaning module
Central controller 10 is sent back to by 485 buses.
It is illustrated in figure 5 the circuit block diagram of air quality monitoring module 60.Wherein controller A uses ATmega8L monolithics
Machine, controller A T0 pins are connected with dust sensor DSM501A output pin OUT, and air is measured by method of counting
In PM10 content；Controller A T1 pins are connected with dust sensor DSM501A output pin OUT, by counting side
Method measures the content of the PM2.5 in air；Controller A ADC0 pins and the voltage output OUT pins of sulfide sensor
It is connected, the content of the pernicious gases such as Sulfide in Air is judged by measuring output voltage；Controller A ADC1 pins with
The voltage output OUT pins of VOCS (volatile organic compounds, such as formaldehyde) sensor assembly are connected, and are judged by measuring output voltage
The content of volatile organic compounds in air.It is 485 total that controller A RXD and TXD accesses central controller 10 after MAX487 chips
Line, central controller timing sends the query statement of address identification to particular module, and the number measured is received at the module
According to.
The air outlet of each charcoal absorption module accordingly installs a set of monitoring device, for monitoring charcoal absorption
Saturation state.Activated carbon after saturation can not continue to adsorb pernicious gas, and the harmful gas concentration such as the sulfide of air outlet will
Gas concentration that is close or being equal to outdoor environment.When the harmful gas for the harmful gas concentration and outdoor environment for detecting air outlet
When bulk concentration is equal and the latter exceedes threshold value, the blower fan that central controller will be closed in the wind path, and work is shown on the touchscreen
The saturation warning message of property charcoal adsorption module.
In summary, above-described embodiment realizes that the method for function of the present invention is as follows：
After system power supply is connected, central controller is loaded into default air pollutants action threshold value, and inquires about from each prison
The pollutant monitoring data that device is sent are surveyed, and corresponding reaction is made according to following several different situations：
(1) if the pollutant monitoring data in indoor and outdoor air are below threshold value, all blower fans are no action.
(2) if the pollutant monitoring data in outdoor air have at least one to be not less than threshold value, and in room air
Pollutant monitoring data are below threshold value, then central controller sends a command to whole window opener control modules, by whole windows
Close, while showing the warning message of " outdoor air pollution transfinites, and has closed the window " on the touchscreen.
(3) if the pollutant monitoring data in room air have at least one to be not less than threshold value, and in outdoor air
Pollutant monitoring data are below threshold value, then central controller sends a command to whole window opener control modules, by whole windows
Open, while showing the warning message of " room air pollution transfinites, and has opened a window " on the touchscreen.
(4) if the pollutant monitoring data in indoor and outdoor air have at least one to be not less than threshold value, center control
Device processed sends a command to whole window opener control modules, and whole windows are closed, and sends a command to whole air-blower control moulds
Block, whole blower fans are opened, while showing on the touchscreen " Indoor Air Pollution with outdoor Air Pollution transfinites, and have closed the window forced ventilation "
Warning message.
(5) if thering is artificial operation window family to turn off or on and disagreed with default state after above-mentioned action is performed,
Under (2) (4) two kinds of situations, the warning message of " xx windows are artificially opened, and are please closed in time " can be shown on touch-screen；
(3) warning message of " xx windows are artificially closed, and are please opened in time " under situation, can be shown on touch-screen.
(6) when blower fan is opened, if central controller receives dedusting module saturation from the monitoring device of air purifier
Or the signal of adsorption module saturation, then central controller send a command to corresponding fan control module, by the wind in related wind path
Office closes, and display " xx dedusting modules saturation, please clean in time " or " xx adsorption modules saturation, please on the touchscreen
The warning message of replacing in time ".
Finally it should be noted that above embodiment is merely illustrative of the technical solution of the present invention and it is unrestricted, to the greatest extent
The present invention is described in detail with reference to example for pipe, it will be understood by those within the art that, can be to the present invention's
Technical scheme is modified or equivalent substitution, and without departing from the spirit and scope of technical solution of the present invention, it all should cover
In scope of the presently claimed invention.
Claims (1)
1. a kind of regulation cleaning system to the dual monitoring of indoor and outdoor air, it is characterised in that：Including：Ventilation and purification equipment,
Window opener and its control module, monitoring device, state display and control device and central controller, the ventilation and purification equipment
Ventilation duct, blower fan and its control module, air purifier are set, and the top of ventilation duct is located outside, end leads to throughout the room
Air port is connected；The monitoring device provided with graininess suspension sensor, sulfide sensor, volatile organic matter sensor and
Signal acquisition circuit, it is outer indoors respectively to set more than a set of；The state display and control device is provided with touch-screen；The center
Connected between controller and each device by digital communication lines, receive the signal from each device and according to the program pair of setting
Each device sends command signal；
Its run mode be：
(1) if the pollutant monitoring data in indoor and outdoor air are below threshold value, all blower fans are no action；
(2) if the pollutant monitoring data in outdoor air have at least one to be not less than threshold value, and the pollution in room air
Thing Monitoring Data is below threshold value, then central controller sends a command to whole window opener control modules, and whole windows are closed,
Show the warning message of " outdoor air pollution transfinites, and has closed the window " on the touchscreen simultaneously；
(3) if the pollutant monitoring data in room air have at least one to be not less than threshold value, and the pollution in outdoor air
Thing Monitoring Data is below threshold value, then central controller sends a command to whole window opener control modules, and whole windows are opened,
Show the warning message of " room air pollution transfinites, and has opened a window " on the touchscreen simultaneously；
(4) if the pollutant monitoring data in indoor and outdoor air have at least one to be not less than threshold value, central controller
Whole window opener control modules are sent a command to, whole windows are closed, and send a command to whole fan control modules, will
Whole blower fans are opened, while showing the police of " Indoor Air Pollution with outdoor Air Pollution transfinites, and have closed the window forced ventilation " on the touchscreen
Accuse information；
(5) if thering is artificial operation window family to turn off or on and disagreed with default state after above-mentioned action is performed, in (2)
Under (4) two kinds of situations, the warning message of " xx windows are artificially opened, and are please closed in time " can be shown on touch-screen；In (3) situation
Under, the warning message of " xx windows are artificially closed, and are please opened in time " can be shown on touch-screen；
(6) when blower fan is opened, if central controller receives dedusting module saturation or suction from the monitoring device of air purifier
The signal of attached module saturation, then central controller send a command to corresponding fan control module, by related wind path blower fan close
Close, and display " xx dedusting modules saturation, please clean in time " or " xx adsorption modules saturation, please be timely on the touchscreen
The warning message of replacing "；
The control module of the window opener has corresponding address code；Central controller receives the window from each window opener control module
Family open and-shut mode signal, to any window opener control module send instruction include the window opener control module address code and
It is opened and closed the instruction of window；
Manual window opening and closing button is provided with beside each window, the window opener of the window is manually controlled by operator and changes window
The open and-shut mode at family；The priority manually controlled is automatically controlled higher than central controller, when the opening and closing shape for manually controlling window
, will be on the state display and control device when acquiescence open and-shut mode that state is in window in running status with system is disagreed
Show warning message；
Set gradually along air-flow direction in the air purifier electrostatic precipitation module that removably cleans with it is replaceable
Pressure differential detection sensor is installed in charcoal absorption module, the airduct of electrostatic precipitation module, is connected with its signal acquisition circuit；
The port of export of charcoal absorption module is provided with formaldehyde, sulfide, oxides of nitrogen gas sensors, connects with its signal acquisition circuit
Connect；Signal acquisition circuit is communicated by the RS485 buses used in monitoring device and central controller, send its collection laying dust and
Gas data；
When central controller detect have in laying dust or gas data it is a certain exceed respective threshold when, in the status display and control
The warning message that need to be cleaned dedusting module or change adsorption module is shown on device processed；
The ventilation and purification equipment, window opener control module, monitoring device are used between RS485 buses and central controller
Communication, each covering device has a corresponding address code, central controller with ventilation and purification equipment, window opener control module or
In monitoring device the type and installation site of the device or module can be recognized during any set of devices or module communication；
The control module of the blower fan uses photoelectric coupling isolation control circuit, and each fan control module has corresponding address
Code；The instruction that the central controller is sent to any fan control module includes the address code and tune of the fan control module
Save the instruction of fan condition；
The touch-screen that the state display and control device is used, can show outdoor and indoor environmental monitoring situation, ventilation fortune
Row state, window open/close states, every warning message.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410611498.5A CN104296298B (en) | 2014-11-04 | 2014-11-04 | To the regulation cleaning system of the dual monitoring of indoor and outdoor air |
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| CN201410611498.5A CN104296298B (en) | 2014-11-04 | 2014-11-04 | To the regulation cleaning system of the dual monitoring of indoor and outdoor air |
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| CN111158413A (en) * | 2019-11-29 | 2020-05-15 | 上海市建筑科学研究院有限公司 | Integration monitoring system for indoor and outdoor air environment of building |
| CN111158413B (en) * | 2019-11-29 | 2022-01-28 | 上海市建筑科学研究院有限公司 | Integration monitoring system for indoor and outdoor air environment of building |
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| CN104296298A (en) | 2015-01-21 |
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