CN104235957B - Indoor air purification system and method - Google Patents
Indoor air purification system and method Download PDFInfo
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- CN104235957B CN104235957B CN201410542506.5A CN201410542506A CN104235957B CN 104235957 B CN104235957 B CN 104235957B CN 201410542506 A CN201410542506 A CN 201410542506A CN 104235957 B CN104235957 B CN 104235957B
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Abstract
The invention provides an indoor air purification system and method. The indoor air purification system comprises a control unit, at least one monitoring unit and at least one purification unit. All the monitoring units communicate with the control unit through a power line carrier communication mode. All the purification units communicate with the control unit in a power line carrier communication mode. According to the indoor air purification system and method, the independent monitoring units, the independent purification units and the control unit are arranged, furthermore, for the space with the larger area, all the monitoring units and the purification units work in a networking mode, through associated collaboration of the monitoring units, the purification units and the control unit, air pollution can be found timely, the indoor air can be cleaned and purified automatically, the air quality is controlled effectively from the system level, and thus the air purification efficiency is improved. The indoor air purification system and method further have the advantages of being low in installation cost, convenient and fast to install and easy to apply and popularize.
Description
Technical field
The invention belongs to technical field of air purification is and in particular to a kind of indoor air cleaning system and method.
Background technology
Air purifier is also called air cleaner or air cleaner, is to refer to absorption, decompose or convert various skies
The setting of gas pollutant (generally comprising the finishing pollution of PM2.5, dust, pollen, peculiar smell, formaldehyde etc, bacterium, anaphylactogen etc.)
Standby, it is widely used at present in daily life.
Air purifier mainly includes air quality detection unit and clean unit two parts, and air in the market is net
Change in device, air quality detection unit and clean unit design for integral type, fuselage is monitored by air quality detection unit attached
Near air quality, it is (volatile organic that concrete monitoring index includes the carbon dioxide concentration in air, particle concentration and VOC
Material) concentration etc.；Then, the testing result based on air quality detection unit, drives clean unit in different mode of operations
Under to fuselage, nearby air purifies.
The subject matter that above-mentioned air purifier exists is：Because air quality detection unit and clean unit are integral type
Design, therefore, can only monitor the air quality near fuselage, lead to may be only available for the less room of area, for example, 30 square meters
The room of left and right；For the room that area is larger, both made arrangement multiple stage air purifier, because every air purifier is all independent
Work, is only monitored to the air near fuselage and purifies, therefore, it is impossible to carry out effectively to air quality from the aspect of system
Control, and then lead to air purification efficiency low.
Content of the invention
The defect existing for prior art, the present invention provides a kind of indoor air cleaning system and method, can effectively solve
Certainly the problems referred to above.
The technical solution used in the present invention is as follows：
The present invention provides a kind of indoor air cleaning system, including：Control unit, at least one monitoring unit and at least
One clean unit；Led to using electric line carrier communication mode between each described monitoring unit and described control unit
News；Communicated using electric line carrier communication mode between each described clean unit and described control unit.
Preferably, described monitoring unit includes multipath gas monitoring passage, AD sample circuit, display device and communication set
Standby；Wherein, the output end of gas-monitoring passage described in each road is all connected to the input of described AD sample circuit, described AD sampling
The output end of circuit is connected with described display device and described communication apparatus respectively；And, gas-monitoring passage described in each road
All include the electrochemical sensor of series connection and programmable discharge circuit；
Described electrochemical sensor is used for gathering the gas concentration value of analog quantity in monitoring of environmental, and by the gas collecting
Bulk concentration value is transferred to described programmable discharge circuit；
The gas concentration value of described analog quantity is amplified to and is available for described AD sample circuit and enters by described programmable discharge circuit
Then the gas concentration value of the analog quantity after amplifying is transferred to described AD sample circuit by the scope of row sampling；
The gas concentration value of the analog quantity after the amplification receiving is converted into the gas of digital quantity by described AD sample circuit
Concentration value, then, on the one hand, the gas concentration value of described digital quantity is sent to described communication apparatus, by described communication apparatus
The gas concentration value of described digital quantity is sent to described control unit；On the other hand, by the display strategy setting, by described
Display device shows described gas concentration value.
Preferably, the display strategy of described setting includes two kinds：A kind of is screen repeating query display strategy；Another kind of is single
Monitoring index display strategy.
Preferably, described electrochemical sensor is for detecting the formaldehyde in monitoring of environmental, ammonia, VOC
Gas concentration value.
Preferably, the shell of described monitoring unit is terminal box, is reserved with least one English socket in this terminal box.
Preferably, described clean unit is designed using no control, that is,：The running status of described clean unit is by described control
Unit and control；
Described clean unit adopts vertical negative pressure air channel structure design form, that is,：Set in the lowermost end of described clean unit
Insert air port, negative-pressure air fan is set at the middle part of described clean unit, goes out in the top horizontally set wind-guiding of described clean unit
Mouthful.
Preferably, the built-in filter core of described clean unit, anion generator and pressure sensor；
Wherein, described filter core is arranged on the filtration channel between described air intake vent and described negative-pressure air fan；
Described anion generator is arranged on the wind channel between described negative-pressure air fan and the outlet of described wind-guiding；
In addition, the entrance in described clean unit also installs the first air mass sensor, in going out of described clean unit
Mouth also installs the second air mass sensor；
Wherein, described first air mass sensor is used for detecting that the in the air of described clean unit entry position poisonous has
Evil gas concentration value；Described second air mass sensor is used for detecting that the in the air of described clean unit exit position poisonous has
Evil gas concentration value；
Described pressure sensor is used for detecting the pressure value within described clean unit.
Preferably, described filter core is 6 layers of filter element, by order from outside to inside, respectively primarily efficient filter unit, electrostatic
Adsorption filtration unit, charcoal absorption filter element, Formaldehyde decomposition filter element, HEPA filter element and photocatalyst filter list
Unit；
Wherein, described Electrostatic Absorption filter element adopts double high-voltage suppling powers, inside described pair of high-voltage suppling power
Integrated static adsorption filtration unit cleaning alarm indication function module.
The present invention also provides a kind of indoor air purification method, comprises the following steps：
S1, arranges several monitoring points in monitoring of environmental and several purify point, installs one in each monitoring point
Monitoring unit, purifies point at each and installs a clean unit；Each described monitoring unit passes through power line carrier and control
Unit networking；Each described clean unit passes through power line carrier and control unit networking；
S2, for each described monitoring unit, all includes multipath gas monitoring passage, AD sample circuit, display device
And communication apparatus；Wherein, gas-monitoring passage described in each road all includes the electrochemical sensor connected and programmable amplifier electricity
Road；Each described monitoring unit is performed both by following steps：
S2.1, each described electrochemical sensor gathers the gas concentration value of the analog quantity in monitoring of environmental, and will gather
To gas concentration value be transferred to described programmable discharge circuit；
S2.2, the gas concentration value of described analog quantity is amplified to and is available for described AD sampling electricity by described programmable discharge circuit
Then the gas concentration value of the analog quantity after amplifying is transferred to described AD sample circuit by the scope sampled in road；
S2.3, the gas concentration value of the analog quantity after the amplification receiving is converted into digital quantity by described AD sample circuit
Gas concentration value, then, on the one hand, the gas concentration value of described digital quantity is sent to described communication apparatus, by described communication
The gas concentration value of described digital quantity is sent to described control unit by equipment；On the other hand, show by the display strategy setting
Measured all kinds of gas concentration value；
S3, described control unit receives the gas concentration value that each described monitoring unit uploads, on the one hand, by chart side
Formula concentrates the real-time change situation of the integrated air quality showing monitoring of environmental, also can show monitoring of environmental by graph mode
History gas concentration value；On the other hand, described control unit is dense to the real-time gas receiving by Air Quality Analysis model
Angle value carries out comprehensive analysis, the air quality of assessment monitoring of environmental, and deduces out the purification strategy of optimum, based on deduced out
Purify strategy, be inferred to the optimum mode of operation that each described clean unit is currently suitable for, and then generate and each described purification
Unit corresponding mode of operation control instruction；Then, the mode of operation being generated control instruction is sent to by described control unit
Corresponding described clean unit；Wherein, carry the negative pressure wind of controlled clean unit in described mode of operation control instruction
The operating power value of the operating power value of machine, the operating power value of anion generator and each layer filter element；
S4, each described clean unit receives corresponding mode of operation control instruction respectively, and then, each described purification is single
Unit is purified to air by the mode of operation that described control unit is controlled, and specifically, every described clean unit is to air
The step being purified is：
S4.1, under the control of described control unit, described clean unit is started negative by the operating power being controlled simultaneously
Pressure fan, anion generator and each layer filter element；
In the presence of described negative-pressure air fan, the air near described clean unit is constantly transported to from clean unit entrance
Filter core, sequentially passes through primarily efficient filter unit, Electrostatic Absorption filter element, charcoal absorption filter element, Formaldehyde decomposition filtration list
After the filtration of unit, HEPA filter element and photocatalyst filter unit, constantly from clean unit outlet drain to external environment condition；With
When, the continuous external environment of anion generator discharges anion；It is achieved in the process that air is purified；
Process air being purified in described clean unit, purification described in the first air mass sensor real-time detection
In the air the first toxic and harmful concentration value of unit entry position；Purify described in second air mass sensor real-time detection
In the air the second toxic and harmful concentration value of unit exit position；The pressure sensor being built in described clean unit is real-time
Detect the pressure value within described clean unit, then, described first toxic and harmful concentration value, described second poisonous and harmful
Pressure value within gas concentration value and described clean unit uploads to described control unit in real time；
S4.2, described control unit receive the described first toxic and harmful concentration value that described clean unit uploads and
Described second toxic and harmful concentration value, is then calculated and shows the current purge efficiency value of described clean unit；
Described control unit receives the pressure value within described clean unit that described clean unit uploads, and then calculates
Current windage value to described clean unit internal core；Then judge whether described current windage value exceedes restriction threshold value, such as
Fruit exceeds, then send the alarm information changing filter core.
Preferably, before S4, also include：
Described control unit also has the function of manual intervention clean unit mode of operation, that is,：Described control unit has
Control panel, by described control panel hand-manipulated, issues corresponding mode of operation control to each described clean unit and refers to
Order.
The indoor air cleaning system that the present invention provides and method have advantages below：
There is independent monitoring unit, independent clean unit and control unit, and, for the larger space of area,
Each monitoring unit, clean unit networking work, are cooperated by the association of monitoring unit, clean unit and control unit, in time
Find air pollution and be automatically performed the Cress to room air, due to carrying out effectively to air quality from the aspect of system
Control, thus improve air purification efficiency.Also have the advantages that installation cost is low, quick and easy for installation, easily promote the use of.
Brief description
The structural representation of the indoor air cleaning system that Fig. 1 provides for the present invention.
Specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail：
In conjunction with Fig. 1, the present invention provides a kind of indoor air cleaning system, based on the sky solving large space from system level
Gas quality monitoring and purifying problem.This indoor air cleaning system has independent monitoring unit, independent clean unit and control
Unit processed；It is of particular importance that monitoring unit and clean unit are split type independent design, set by monitoring unit real-time monitoring
Standby neighbouring harmful gas concentration, is purified to room air by clean unit, control unit is mainly used according to monitoring
The Monitoring Data of unit carries out total evaluation to IAQ, and then controls the mode of operation of each clean unit；For
The larger space of area, can using multiple monitoring unit, multiple clean unit networking work it can be seen that, in the present invention, pass through
The Monitoring Data of each monitoring unit, can obtain the overall distribution situation of pernicious gas in room air, and then controls each net
Changing unit collaborative work, from the aspect of system, air quality effectively being controlled, thus improve air purification efficiency.
Specifically, indoor air cleaning system includes：Control unit, at least one monitoring unit and at least one purification
Unit；Communicated using electric line carrier communication mode between each described monitoring unit and described control unit；Each institute
State and communicated using electric line carrier communication mode between clean unit and described control unit.In the present invention, control unit,
Communication modes between monitoring unit and clean unit adopt power line carrier (PLC) to communicate, and are carried out based on existing power line
Networking, without the communication network of deployment-specific, has the advantages that to dispose convenient, low cost and communications security is high.Below to prison
Survey unit, clean unit and control unit to be discussed in detail respectively：
(1) monitoring unit
Monitoring unit is used for monitoring IAQ, can carry out quantitative inspection to the multiclass pernicious gas in room air
Survey, for example, formaldehyde, ammonia, benzene, VOC etc., and, accuracy of detection is more than 10 times of Standard precision.
Specifically include multipath gas monitoring passage, AD sample circuit, display device and communication apparatus；Wherein, described in each road
The output end of gas-monitoring passage is all connected to the input of described AD sample circuit, and the output end of described AD sample circuit is respectively
It is connected with described display device and described communication apparatus；And, gas-monitoring passage described in each road all includes the electrification connected
Learn sensor and programmable discharge circuit；Described electrochemical sensor is used for gathering the gas concentration of the analog quantity in monitoring of environmental
Value, and the gas concentration value collecting is transferred to described programmable discharge circuit；For example, electrochemical sensor is using in the industry
Top electrochemical sensor, for detecting the gas concentration of the formaldehyde in monitoring of environmental, ammonia, VOC
Value.
Described programmable discharge circuit adopts the programmable discharge circuit of high magnification numbe, for will be dense for the gas of described analog quantity
Angle value is amplified to the scope being available for that described AD sample circuit is sampled, and then passes the gas concentration value of the analog quantity after amplifying
It is defeated by described AD sample circuit；
The gas concentration value of the analog quantity after the amplification receiving is converted into the gas of digital quantity by described AD sample circuit
Concentration value, then, on the one hand, the gas concentration value of described digital quantity is sent to described communication apparatus, by described communication apparatus
The gas concentration value of described digital quantity is sent to described control unit；On the other hand, by the display strategy setting, by described
Display device shows described gas concentration value.Wherein, the display strategy of setting includes two kinds：One kind shows plan for screen repeating query
Slightly, for example：Each monitoring index is shown by OLED screen curtain repeating query；Another kind of is single monitoring index display strategy, for example：Logical
Cross parked key control and show single monitoring index.
In addition, in the present invention, the shell of monitoring unit is terminal box, for example, be 86 boxes, therefore, existing by changing
Wall is inserted and can be installed monitoring unit, has the advantages that quick and easy for installation；Additionally, the front of monitoring unit is set using intending cuboid
Meter, golden section proportion, panel can be opened, built-in 2～3 jiaos of blanket sockets.Therefore, monitoring unit retains the confession electric work that former wall is inserted
Can, thus being user-friendly to.
The monitoring unit that the present invention provides, mainly has the characteristics that：
(1) using the electrochemical sensor monitoring in the air harmful gas concentration value of specialty, and, each electrochemical sensing
Device is each equipped with independent amplifier chip, effectively improves harmful gas concentration monitoring accuracy；In addition, each electrochemical sensor can
Support multiple harmful gas concentration measurement such as formaldehyde, ammonia, VOC simultaneously, and the species of electrochemical sensor can be according to reality
Situation is matched.
(2) monitoring unit profile is the structure design based on 86 boxes, has the advantages that easy for installation.
(3) species based on the electrochemical sensor matched, shows every measurement index by way of repeating query, and
Hold the display switching of analytical measurement index.
(4) each monitoring unit and control unit adopt PLC mechanics of communication, by means of the autonomous networking of existing electric power networks,
More convenient compared with other means of communications, and cost is lower.
(2) clean unit
Clean unit is used for room air is purified, can effectively remove the microorganism of in the air, particulate matter, formaldehyde,
The pernicious gases such as ammonia, VOC, can provide sufficient fresh air for larger Space, Place.Using no controlling design, that is,：Described purification
The running status of unit is all controlled by described control unit；
The running status of described clean unit shows, communication modes adopt PLC by colorful LED lamp plate, autonomous networking.Separately
Outward, using vertical negative pressure air channel structure design form, that is,：Air intake vent is set in the lowermost end of described clean unit, described net
Change the middle part setting negative-pressure air fan of unit, in the top horizontally set wind-guiding outlet of described clean unit.
The built-in filter core of clean unit, anion generator and pressure sensor；
Wherein, described filter core is arranged on the filtration channel between described air intake vent and described negative-pressure air fan；Filter core logical
Wind sectional area obtains through accurate calculating, as a kind of example, is 600mm × 480mm, and windage is greatly lowered, and improves air
The purification efficiency of clarifier.Filter core is 6 layers of filter element, and by order from outside to inside, respectively primarily efficient filter unit, electrostatic is inhaled
Attached filter element, charcoal absorption filter element, Formaldehyde decomposition filter element, HEPA filter element and photocatalyst filter unit；
Wherein, Electrostatic Absorption filter element and HEPA filter element use simultaneously, increase substantially the service life of HEPA.In addition, institute
State Electrostatic Absorption filter element and adopt double high-voltage suppling powers, that is,：+ 8000V/+4000V dual power supply, significantly strengthens
Adsorption effect.Additionally, being internally integrated Electrostatic Absorption filter element cleaning alarm instruction function mould in described pair of high-voltage suppling power
Block.
Described anion generator is arranged on the wind channel between described negative-pressure air fan and the outlet of described wind-guiding；
In addition, the entrance in described clean unit also installs the first air mass sensor, in going out of described clean unit
Mouth also installs the second air mass sensor；
Wherein, described first air mass sensor is used for detecting that the in the air of described clean unit entry position poisonous has
Evil gas concentration value is simultaneously uploaded to control unit；Described second air mass sensor is used for detecting described clean unit outlet position
The in the air toxic and harmful concentration value put simultaneously is uploaded to control unit；Then, control unit can calculate clean unit
Purification efficiency.
Described pressure sensor is used for detecting the pressure value within described clean unit, is then uploaded to control unit, by
Control unit calculates the windage of filter element by pressure value, and when windage exceedes limit value, the alarm sending replacing filter core disappears
Breath.
The clean unit that the present invention provides, mainly has the characteristics that：
It is (1) comprehensive that using 6 layers of filter element and 1 grade of health care, wherein, 1 grade of health care refers to high-power anion generator, thus
Effectively improve air purification efficiency；
(2) adopt PLC mechanics of communication, by means of the autonomous networking in electric power networking, more convenient compared with other means of communications.
(3) control unit
Control unit is the monitoring software based on PAD panel, and major function is described below：
(1) PAD panel
By PAD panel, show the Monitoring Data of each monitoring unit；And control the operational mode of each clean unit.
The indoor clean unit of PAD panel manipulation.Control mode supports two kinds：Manually and automatically.Automated manner is：PAD face
Plate finds room air pollution in time, goes out suitable purification mode of operation and sends out control command according to purifying tactful automated reasoning
Give clean unit.Manual mode is：Manual intervention clean unit mode of operation supported by PAD panel, that is,：Manual manipulation PAD face
Plate, sends control command to clean unit.
PAD panel manipulation clean unit is advantageous in that：PAD panel-centralized illustrates indoor all of monitoring unit and net
Change unit, system can select, based on indoor integrated air monitoring situation, the clean unit mode of operation that is suitable for, it is to avoid big
The blindness of single clean unit operation in space.
(2) monitoring software
1. the air cleaning based on system level.
Monitoring software concentrates the Monitoring Data of the multiple monitoring unit showing deployment, and graphically intuitively shows.
For example, shown by dense field figure：Dense field figure with actual indoor arrangement as background, on the basis of the monitoring concentration of monitoring index,
Monitoring Indexes concentration different colours are represented, reflects this air index in room by the combination of form and aspect, brightness and saturation degree
Interior actual distribution situation.Index color is determined by Criterion Attribute and desired value.Monitor value is divided into different sections, different sections is used
Different form and aspect represent, are represented by the combination of brightness and saturation degree in section.
Monitoring software real-time analysis to Monitoring Data, when monitoring index is exceeded, generates threshold alarm.
The monitoring state based on the currently monitored unit for the monitoring software uses linkage strategy to infer what clean unit was currently suitable for
Mode of operation, and mode of operation order is pushed to clean unit execution.Whole by monitoring unit, clean unit, control unit
The association cooperation of individual system, finds air pollution in time and is automatically performed the Cress to room air.
2. it is based on clean unit gateway monitoring index and calculate purification efficiency.
Purification efficiency is the important indicator of reflection clean unit clean-up effect.Computing formula is as follows：
η：Purification efficiency；
n：Monitoring index total quantity；
si：I-th monitoring index
When entrance Si concentration<During=limit value Si, efficiency Si is 1；
When outlet Si concentration<During=limit value Si, efficiency Si is 1；
When entrance Si concentration>Limit value Si and export Si concentration>Limit value Si,
Efficiency Si=(entrance concentration si- exit concentration si)/(entrance concentration si- limit value si)
3. real-time IAQ report
Monitoring software generates IAQ report at any time, by interior architecture situation, Monitoring Data and result form.Report content
Including：Project profile, interior architecture situation, fitting case, Monitoring Data, qualified situation, index reference value, IAQ grade
And normative reference, reference code for indoor environmental pollution control of civil building engineering GB50325-2010 item detection result.
The present invention also provides a kind of indoor air purification method, comprises the following steps：
S1, arranges several monitoring points in monitoring of environmental and several purify point, installs one in each monitoring point
Monitoring unit, purifies point at each and installs a clean unit；Each described monitoring unit passes through power line carrier and control
Unit networking；Each described clean unit passes through power line carrier and control unit networking；
S2, for each described monitoring unit, all includes multipath gas monitoring passage, AD sample circuit, display device
And communication apparatus；Wherein, gas-monitoring passage described in each road all includes the electrochemical sensor connected and programmable amplifier electricity
Road；Each described monitoring unit is performed both by following steps：
S2.1, each described electrochemical sensor gathers the gas concentration value of the analog quantity in monitoring of environmental, and will gather
To gas concentration value be transferred to described programmable discharge circuit；
S2.2, the gas concentration value of described analog quantity is amplified to and is available for described AD sampling electricity by described programmable discharge circuit
Then the gas concentration value of the analog quantity after amplifying is transferred to described AD sample circuit by the scope sampled in road；
S2.3, the gas concentration value of the analog quantity after the amplification receiving is converted into digital quantity by described AD sample circuit
Gas concentration value, then, on the one hand, the gas concentration value of described digital quantity is sent to described communication apparatus, by described communication
The gas concentration value of described digital quantity is sent to described control unit by equipment；On the other hand, show by the display strategy setting
Measured all kinds of gas concentration value；
S3, described control unit receives the gas concentration value that each described monitoring unit uploads, on the one hand, by chart side
Formula concentrates the real-time change situation of the integrated air quality showing monitoring of environmental, also can show monitoring of environmental by graph mode
History gas concentration value；On the other hand, described control unit is dense to the real-time gas receiving by Air Quality Analysis model
Angle value carries out comprehensive analysis, the air quality of assessment monitoring of environmental, and deduces out the purification strategy of optimum, based on deduced out
Purify strategy, be inferred to the optimum mode of operation that each described clean unit is currently suitable for, and then generate and each described purification
Unit corresponding mode of operation control instruction；Then, the mode of operation being generated control instruction is sent to by described control unit
Corresponding described clean unit；Wherein, carry the negative pressure wind of controlled clean unit in described mode of operation control instruction
The operating power value of the operating power value of machine, the operating power value of anion generator and each layer filter element；
S4, each described clean unit receives corresponding mode of operation control instruction respectively, and then, each described purification is single
Unit is purified to air by the mode of operation that described control unit is controlled, and specifically, every described clean unit is to air
The step being purified is：
S4.1, under the control of described control unit, described clean unit is started negative by the operating power being controlled simultaneously
Pressure fan, anion generator and each layer filter element；
In the presence of described negative-pressure air fan, the air near described clean unit is constantly transported to from clean unit entrance
Filter core, sequentially passes through primarily efficient filter unit, Electrostatic Absorption filter element, charcoal absorption filter element, Formaldehyde decomposition filtration list
After the filtration of unit, HEPA filter element and photocatalyst filter unit, constantly from clean unit outlet drain to external environment condition；With
When, the continuous external environment of anion generator discharges anion；It is achieved in the process that air is purified；
Process air being purified in described clean unit, purification described in the first air mass sensor real-time detection
In the air the first toxic and harmful concentration value of unit entry position；Purify described in second air mass sensor real-time detection
In the air the second toxic and harmful concentration value of unit exit position；The pressure sensor being built in described clean unit is real-time
Detect the pressure value within described clean unit, then, described first toxic and harmful concentration value, described second poisonous and harmful
Pressure value within gas concentration value and described clean unit uploads to described control unit in real time；
S4.2, described control unit receive the described first toxic and harmful concentration value that described clean unit uploads and
Described second toxic and harmful concentration value, is then calculated and shows the current purge efficiency value of described clean unit；
Described control unit receives the pressure value within described clean unit that described clean unit uploads, and then calculates
Current windage value to described clean unit internal core；Then judge whether described current windage value exceedes restriction threshold value, such as
Fruit exceeds, then send the alarm information changing filter core.
In sum, the present invention provides indoor air cleaning system and method, have independent monitoring unit, independent
Clean unit and control unit, and, for the larger space of area, each monitoring unit, clean unit networking work, pass through
The association cooperation of monitoring unit, clean unit and control unit, finds air pollution in time and is automatically performed to room air
Cress, due to effectively being controlled to air quality from the aspect of system, thus improve air purification efficiency.Also have
Have the advantages that installation cost is low, quick and easy for installation, easily promote the use of.
The above is only the preferred embodiment of the present invention it is noted that ordinary skill people for the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
Depending on protection scope of the present invention.
Claims (9)
1. a kind of indoor air purification method is it is characterised in that be applied in indoor air cleaning system, indoor air purification system
System includes control unit, at least one monitoring unit and at least one clean unit；Each described monitoring unit and described control
Communicated using electric line carrier communication mode between unit processed；Adopt between each described clean unit and described control unit
Communicated with electric line carrier communication mode；
Indoor air purification method comprises the following steps：
S1, arranges several monitoring points in monitoring of environmental and several purify point, installs a monitoring in each monitoring point
Unit, purifies point at each and installs a clean unit；Each described monitoring unit passes through power line carrier and control unit
Networking；Each described clean unit passes through power line carrier and control unit networking；
S2, for each described monitoring unit, all includes multipath gas monitoring passage, AD sample circuit, display device and leads to
News equipment；Wherein, gas-monitoring passage described in each road all includes the electrochemical sensor connected and programmable discharge circuit；Often
One described monitoring unit is performed both by following steps：
S2.1, each described electrochemical sensor gathers the gas concentration value of the analog quantity in monitoring of environmental, and will collect
Gas concentration value is transferred to described programmable discharge circuit；
S2.2, the gas concentration value of described analog quantity is amplified to and is available for described AD sample circuit and enters by described programmable discharge circuit
Then the gas concentration value of the analog quantity after amplifying is transferred to described AD sample circuit by the scope of row sampling；
S2.3, the gas concentration value of the analog quantity after the amplification receiving is converted into the gas of digital quantity by described AD sample circuit
Concentration value, then, on the one hand, the gas concentration value of described digital quantity is sent to described communication apparatus, by described communication apparatus
The gas concentration value of described digital quantity is sent to described control unit；On the other hand, surveyed by the display strategy display setting
All kinds of gas concentration value measured；
S3, described control unit receives the gas concentration value that each described monitoring unit uploads, on the one hand, by graph mode collection
The real-time change situation of the middle integrated air quality showing monitoring of environmental, also can show the history of monitoring of environmental by graph mode
Gas concentration value；On the other hand, described control unit passes through Air Quality Analysis model to the real-time gas concentration value receiving
Carry out comprehensive analysis, the air quality of assessment monitoring of environmental, and deduce out the purification strategy of optimum, based on the purification deduced out
Strategy, is inferred to the optimum mode of operation that each described clean unit is currently suitable for, and then generates and each described clean unit
Corresponding mode of operation control instruction；Then, the mode of operation being generated control instruction is sent to correspondence by described control unit
Described clean unit；Wherein, carry the negative-pressure air fan of controlled clean unit in described mode of operation control instruction
The operating power value of operating power value, the operating power value of anion generator and each layer filter element；
S4, each described clean unit receives corresponding mode of operation control instruction respectively, and then, each described clean unit is pressed
The mode of operation that described control unit is controlled purifies to air, and specifically, every described clean unit is carried out to air
Purify step be：
S4.1, under the control of described control unit, described clean unit starts negative pressure wind by the operating power being controlled simultaneously
Machine, anion generator and each layer filter element；
In the presence of described negative-pressure air fan, the air near described clean unit is constantly transported to filter from clean unit entrance
Core, sequentially pass through primarily efficient filter unit, Electrostatic Absorption filter element, charcoal absorption filter element, Formaldehyde decomposition filter element,
After the filtration of HEPA filter element and photocatalyst filter unit, constantly from clean unit outlet drain to external environment condition；Meanwhile, bear
The continuous external environment of ion generator discharges anion；It is achieved in the process that air is purified；
Process air being purified in described clean unit, clean unit described in the first air mass sensor real-time detection
In the air the first toxic and harmful concentration value of entry position；Clean unit described in second air mass sensor real-time detection
In the air the second toxic and harmful concentration value of exit position；It is built in the pressure sensor real-time detection of described clean unit
Pressure value within described clean unit, then, described first toxic and harmful concentration value, described second toxic and harmful
Pressure value within concentration value and described clean unit uploads to described control unit in real time；
S4.2, described control unit receives the described first toxic and harmful concentration value that described clean unit uploads and described
Second toxic and harmful concentration value, is then calculated and shows the current purge efficiency value of described clean unit；
Described control unit receives the pressure value within described clean unit that described clean unit uploads, and then is calculated institute
State the current windage value of clean unit internal core；Then judge whether described current windage value exceedes restriction threshold value, if super
Go out, then send the alarm information changing filter core.
2. indoor air purification method according to claim 1 is it is characterised in that before S4, also include：
Described control unit also has the function of manual intervention clean unit mode of operation, that is,：Described control unit has manipulation
Panel, by described control panel hand-manipulated, issues corresponding mode of operation control instruction to each described clean unit.
3. indoor air purification method according to claim 1 is it is characterised in that described monitoring unit includes multipath gas
Monitoring passage, AD sample circuit, display device and communication apparatus；Wherein, described in each road, the output end of gas-monitoring passage all connects
Be connected to the input of described AD sample circuit, the output end of described AD sample circuit respectively with described display device and described communication
Equipment connects；And, gas-monitoring passage described in each road all includes the electrochemical sensor connected and programmable discharge circuit；
Described electrochemical sensor is used for gathering the gas concentration value of the analog quantity in monitoring of environmental, and will be dense for the gas collecting
Angle value is transferred to described programmable discharge circuit；
The gas concentration value of described analog quantity is amplified to and is available for described AD sample circuit and is adopted by described programmable discharge circuit
Then the gas concentration value of the analog quantity after amplifying is transferred to described AD sample circuit by the scope of sample；
The gas concentration value of the analog quantity after the amplification receiving is converted into the gas concentration of digital quantity by described AD sample circuit
Value, then, on the one hand, the gas concentration value of described digital quantity is sent to described communication apparatus, by described communication apparatus by institute
The gas concentration value stating digital quantity is sent to described control unit；On the other hand, by the display strategy setting, by described display
Equipment shows described gas concentration value.
4. indoor air purification method according to claim 3 is it is characterised in that the display strategy of described setting includes two
Kind：A kind of is screen repeating query display strategy；Another kind of is single monitoring index display strategy.
5. indoor air purification method according to claim 3 is it is characterised in that described electrochemical sensor is used for detecting
Formaldehyde in monitoring of environmental, ammonia, the gas concentration value of VOC.
6. indoor air purification method according to claim 3 is it is characterised in that the shell of described monitoring unit is wiring
Box, is reserved with least one English socket in this terminal box.
7. indoor air purification method according to claim 1 is it is characterised in that described clean unit is set using no control
Meter, that is,：The running status of described clean unit is controlled by described control unit；
Described clean unit adopts vertical negative pressure air channel structure design form, that is,：Set in the lowermost end of described clean unit
Air port, arranges negative-pressure air fan at the middle part of described clean unit, in the top horizontally set wind-guiding outlet of described clean unit.
8. indoor air purification method according to claim 7 is it is characterised in that the built-in filter core of described clean unit, negative
Ion generator and pressure sensor；
Wherein, described filter core is arranged on the filtration channel between described air intake vent and described negative-pressure air fan；
Described anion generator is arranged on the wind channel between described negative-pressure air fan and the outlet of described wind-guiding；
In addition, the entrance in described clean unit also installs the first air mass sensor, described clean unit outlet also
Second air mass sensor is installed；
Wherein, described first air mass sensor is used for detecting the in the air poisonous and harmful gas of described clean unit entry position
Bulk concentration value；Described second air mass sensor is used for detecting the in the air poisonous and harmful gas of described clean unit exit position
Bulk concentration value；
Described pressure sensor is used for detecting the pressure value within described clean unit.
9. indoor air purification method according to claim 8, it is characterised in that described filter core is 6 layers of filter element, is pressed
Order from outside to inside, respectively primarily efficient filter unit, Electrostatic Absorption filter element, charcoal absorption filter element, formaldehyde divide
Solution filter element, HEPA filter element and photocatalyst filter unit；
Wherein, described Electrostatic Absorption filter element, using double high-voltage suppling powers, is internally integrated in described pair of high-voltage suppling power
Electrostatic Absorption filter element cleaning alarm indication function module.
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| CN201410542506.5A CN104235957B (en) | 2014-10-14 | 2014-10-14 | Indoor air purification system and method |
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| CN105403251A (en) * | 2015-12-07 | 2016-03-16 | 小米科技有限责任公司 | Method and apparatus for early warning of indoor environment |
| CN105423499B (en) * | 2015-12-25 | 2019-01-29 | 珠海格力电器股份有限公司 | Purifier monitoring method and device and air purifier |
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| CN108954732A (en) * | 2018-07-11 | 2018-12-07 | 北京百度网讯科技有限公司 | Mthods, systems and devices for monitoring room |
| CN110878980A (en) * | 2018-09-05 | 2020-03-13 | 申青 | Multi-module networking type intelligent indoor air purification system |
| CN109855241B (en) * | 2018-11-29 | 2020-11-03 | 青岛海尔空调器有限总公司 | Air purification system, purification control method and device and computer storage medium |
| CN109855242B (en) * | 2018-11-29 | 2020-11-03 | 青岛海尔空调器有限总公司 | Method and device for purification control in air purification system and computer storage medium |
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