A kind of air quality monitoring and circulation purifier
This utility model relates to air purification field, is specifically related to a kind of to air quality in closing space
Being monitored and the system of circularly purifying, this system includes detecting system, cleaning system and control system,
It is clean that PM2.5 in room can be monitored line space gas of going forward side by side by this air quality monitoring and circulation purifier in real time
Recent two decades comes, along with the fast development of the industries such as the energy, industry, traffic so that air
The pollution problem of grain thing becomes increasingly conspicuous.Weather scientist and medical expert think, fine particle cause
Haze weather is even bigger than sandstorm to the harm of health.The granule that particle diameter is more than 10 microns
Thing, can be blocked in outside the nose of people；Particle diameter particulate matter between 2.5 microns to 10 microns, energy
Enough enter upper respiratory tract, but part can be excreted by sputum etc., the most also can be by nasal cavity
Fine hair stops, relatively small to human health damage；And the fine particle that particle diameter is below 2.5 microns,
1/20 size of diameter deficiency human tau hair, is difficult to be blocked.Particle diameter is less than the granule of 2.5 μm
Thing is referred to as PM 2.5.Wherein 0.1 μm left and right particulate matter is mainly deposited on pulmonary, is inhaled into human body
After can be directly entered bronchus, the gas exchange of interference pulmonary, cause include asthma, bronchitis and
The disease of the aspects such as cardiovascular diseases, the physiological structure of human body determine PM2.5 is not had any filtration,
Obstruction ability, old man, child and heart and lung diseases patient, be the sensitive group of PM2.5 pollution.
When there is haze weather, the more time is stayed within by people, and exigence solves indoor
The purifying problem of air, at present, people's many uses air purifier, but when careat is more than sky
During the purification area of gas purifier, people can only take multiple stage air purifier, and multiple stage air cleaning
Device is independent of one another, it is necessary to individually operated, and can not the start-stop of automatic control air purifier, also cannot
Understand the situation of indoor PM2.5 everywhere in real time, bring inconvenience to people's life.And for large area people
The place that member concentrates, such as school, hospital, office building, market etc., the air cleaning being separately provided
Device is the most inapplicable, and the purifying problem of room air is more acute.
Utility model content
The operation inconvenience existed for current indoor air purification, it is impossible to monitor in real time, central controlled
Problem, this utility model provides a kind of air quality monitoring and circulation purifier.Of the present utility model
System can be applied in the various environment such as office building, classroom, market, house, concentrates indoor ring
Border is monitored and controls.
Specifically, this utility model provides a kind of air quality monitoring and circulation purifier, and it is special
Levying and be, described air quality monitoring and circulation purifier include detecting system, cleaning system and control
Described detecting system is used for the air sampling in object space and carries out quality testing, and it includes
Sampler and laser detector；
Described sampler includes test chamber and air pump, and described air pump is used for will be from described object space
Gas pump to described test chamber as sample gas；
Described laser detector is for sending laser towards described test chamber, in described test chamber
Sample gas transmission after laser be acquired, obtain about sample gas based on the laser that collected
The testing result of weight, and testing result is delivered to described control system；
Described control system controls described based on described testing result and default air quality standard
The start-stop of cleaning system；
Described cleaning system is for purifying the air in described object space in a looping fashion.
In a kind of preferred implementation, PM2.5 in described sample gas is contained by described detecting system
In another kind of preferred implementation, described sampler also includes sample collection mouth, described sample
This gas enters test chamber from described sample collection mouth, and described sample collection mouth is arranged at the ceiling in room
Or side-walls, described test chamber includes gas access and gas outlet.
In another kind of preferred implementation, described laser detector includes generating laser and photoelectricity
Detector, described generating laser for launching the light beam of predetermined wavelength towards described test chamber, described
Photoelectric detector is for being acquired the laser of Cong Suoshu test chamber outgoing.
In another kind of preferred implementation, described laser detector also includes wavelength division multiplexer, coupling
Clutch and reference gas chamber.
In another kind of preferred implementation, described cleaning system include air circulation duct, blower fan,
Air cleaner, air circulation duct is provided with air inlet and air outlet, and described air cleaner is put
In described air circulation duct.
In another kind of preferred implementation, described air cleaner is placed in described air circulation duct
Inside air outlet.
In another kind of preferred implementation, described control system includes control panel and central controller；
Described control panel is for receiving the configuration information of user, and by configuration information transmission in the most described
The threshold value of testing result with predetermined threshold value or user setup is compared by described central controller
Relatively, the start-stop of described cleaning system and is controlled based on comparative result.
In another kind of preferred implementation, described air quality monitoring and circulation purifier include many
Individual detecting system and multiple cleaning system, arrange one or more detecting system and phase in each room
Answering cleaning system, multiple detecting systems, multiple cleaning system are controlled by described control system.
In another kind of preferred implementation, described air quality monitoring and circulation purifier also comprise
VMC (Ventilation Mechanical Control System).
The utility model has the advantages that:
Air quality monitoring of the present utility model and circulation purifier can be by real time or periodically
Indoor air environment is sampled, monitors room air situation, and can be automatic according to air regime
Control air cleaning system, it is not necessary to human intervention.Additionally, air quality monitoring of the present utility model and
Circulation purifier may be installed in air-conditioning duct when finishing, it is not necessary to indoor individually placed one
Individual cleaning equipment, saves space.People can monitor or operate air sampling everywhere by control system
Detection and air cleaning, and whole system simple in construction, volume is little, and is easily maintained.
Accompanying drawing explanation
Fig. 1 is the air quality monitoring in one embodiment of this utility model and the frame of circulation purifier
Frame schematic diagram.
Fig. 2 is the air quality monitoring in one embodiment of this utility model and the work of circulation purifier
Make schematic flow sheet.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiment of the present utility model is described in detail.
As it is shown in figure 1, in the present embodiment, air quality monitoring and circulation purifier include detection
System, cleaning system and control system.
Detecting system is used for carrying out air sampling and detecting sample gas, as it is shown in figure 1, detection system
System includes sampler and laser detector, and sampler uses bleeder sampling mode, as used
Air pump etc. so that form negative pressure in sampler, to ensure to collect enough sample gas, sampling dress
Setting test chamber in putting, there is acquisition port end, and sample gas enters test chamber from acquisition port, and test chamber includes using
In being passed through the gas access of sample gas before measuring and discharging the gas outlet of gas.
Laser detector includes laser instrument, photodetector, wavelength division multiplexer, bonder, reference
(reference gas chamber is selectable unit (SU) to air chamber, it is also possible to is directly measured attenuation degree by laser, and then sentences
Determine the content of PM2.5).Laser instrument sends the laser of specific wavelength, uses wavelength division multiplexer by laser coupling
Closing and enter bonder, after input light is divided into three beams by bonder, wherein two-way light respectively enters reference gas
Room (reference gas chamber is the transparent chamber of pure vacuum or is filled with the chamber of free from admixture air) and test chamber,
Measure two-beam the most respectively and pass through reference gas chamber and the laser loss of test chamber, carry out differential pair ratio,
Another road light detects as laser intensity, receives transmitted light beam in conjunction with photodetector, to receive
Signal is analyzed and processes.Use laser detector, it is achieved that to PM2.5 accurate in air
Measure, also improve detection efficiency.
After laser detector measures the PM2.5 value of indoor, measured PM2.5 value is delivered to
Control system includes control panel and central controller, and control panel is for the needs according to user
Carrying out setting and the regulation of parameter, pattern etc., once parameter and pattern set, then central controller is just
Based on the parameter set and pattern, detecting system and cleaning system can be controlled.
Cleaning system includes air circulation device and air cleaner, and air circulation device includes air
Circulating line and blower fan, air circulation duct is provided with air inlet and air outlet (is generally arranged at top, room
Portion, with the public or UNICOM such as air-conditioning or new wind facility), blower fan be arranged on inside air inlet or air outlet (when
So, also it is not excluded on rare occasion, blower fan is integrated in air cleaner).For cost-effective,
Simplify building tubing, it is possible to utilize the ventilation shaft of air conditioning system as air circulation duct,
Blower fan and air cleaner are arranged in the ventilation shaft of air conditioning system, entering by air conditioning system
Room air is introduced air circulation duct by air port, installs blower fan, to accelerate air inside air outlet
Flowing, air flow into circulating line, air cleaner is installed inside air outlet further, right
In air, PM2.5 carries out purified treatment.
Air cleaner is placed in air circulation duct, or air cleaner one end is followed with air
Endless tube road is tightly connected the other end and is connected to air outlet, to ensure that the air in pipeline must be by purifying
Device purifies and could pass through air outlet entrance indoor, and room air then flows into circulation pipe by air inlet
Road, so that room air energy circularly purifying, keeps the cleaning of room air.
As shown in the flow chart in Fig. 2, control system the most periodically or in real time controls laser detection
System carries out IAQ (indoor air quality) detection, the detection of especially PM2.5 value.Laser detection system will inspection
Surveying the result obtained and be sent to central controller, testing result is entered by central controller with predetermined threshold value
Row compares, testing result the most not up to threshold value, then central controller does not send signal or output stops
Signal, and then do not start or close cleaning system, cleaning system is failure to actuate, otherwise, central controller
Signal is opened in output, starts cleaning system, air is carried out purified treatment.When cleaning system starts,
Blower fan and air purifier start simultaneously, carry out air cleaning while promoting air circulation.
After the air cleaning system work scheduled time (such as, 15 minutes or half an hour), control
System processed again controls laser detector and room air is sampled detection again, and to detection knot
Fruit judges.If air quality or PM2.5 content reach standard-required, then control air clean
Change system stalls.
Multiple air detection system in multiple regions, cleaning system can be carried out concentrating control by control system
System and operation, form control centre, as it is shown in figure 1, operator can be at Master Control Room, or network
Whole air quality monitoring and circulation purifier are checked or operate by terminal, and can realize single district
The operation in territory, as a detecting system transfers detection signal to central controller, control system according to
The analysis result of central controller, sends to the cleaning system of respective regions and starts or stops signal, then
The cleaning system of respective regions starts or closes.
In the present embodiment, air quality monitoring and circulation purifier include detecting system, clean equally
Change system and control system.
Simply the most in the present embodiment, air quality monitoring and circulation purifier can also and VMC (Ventilation Mechanical Control System)
It is used in combination, the VMC (Ventilation Mechanical Control System) conveyance conduit to room air and the internal recycle pipeline of circulating purification system
Share or communicating together.VMC (Ventilation Mechanical Control System), for outdoor air is introduced indoor or air circulation duct, makes
Obtain indoor-outdoor air to circulate.
Specifically, in the present embodiment, described detecting system also includes carbon dioxide indicator, uses
Carbon dioxide content in measuring cell.The carbon dioxide content recorded also is carried by described detecting system
To control system, the startup based on carbon dioxide content threshold value control VMC (Ventilation Mechanical Control System) of described control system.
VMC (Ventilation Mechanical Control System) once starts, and the most described control system controls air cleaning system and quits work.
In another kind of preferred implementation, described air quality monitoring and circulation purifier also include
Ambient air quality detector, is used for reception or the air quality of measuring chamber external environment or VMC (Ventilation Mechanical Control System)
The air quality of supply.It is directly clean with circulation that described VMC (Ventilation Mechanical Control System) is respectively provided with one branch road of two branch roads
The air circulation duct (for indoor circulation) of change system is connected, and another branch road is passed directly to room
Interior air intake vent.Described central controller is when starting the VMC (Ventilation Mechanical Control System) in certain room, to outdoor environment
Or the air quality of VMC (Ventilation Mechanical Control System) supply judges, if environmental quality exceeds standard, the most described VMC (Ventilation Mechanical Control System)
Access the air circulation duct of circulating purification system, after air is purified, be delivered to indoor again,
The most described VMC (Ventilation Mechanical Control System) is directly accessed the air intake vent of indoor, directly takes a breath room air.
Although principle of the present utility model having been carried out in detail above in conjunction with preferred embodiment of the present utility model
Thin description, it should be appreciated by those skilled in the art that above-described embodiment is only to of the present utility model
The explanation of exemplary implementation, not comprises the restriction of scope to this utility model.In embodiment
Details is not intended that the restriction to this utility model scope, without departing substantially from spirit of the present utility model and model
In the case of enclosing, any equivalent transformations based on technical solutions of the utility model, simple replacement etc. aobvious and
The change being clear to, within all falling within this utility model protection domain.