CN108954671A - A kind of the air quality method for early warning and device of fresh air system - Google Patents
A kind of the air quality method for early warning and device of fresh air system Download PDFInfo
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- CN108954671A CN108954671A CN201710393454.3A CN201710393454A CN108954671A CN 108954671 A CN108954671 A CN 108954671A CN 201710393454 A CN201710393454 A CN 201710393454A CN 108954671 A CN108954671 A CN 108954671A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The embodiment of the present invention provides the air quality method for early warning and device of a kind of fresh air system.The described method includes: obtaining the environmental data of fresh air system；The purification efficiency and heat exchanger effectiveness of the fresh air system are obtained according to the environmental data operation；Alarm command is issued if the purification efficiency is lower than the heat exchanger effectiveness threshold value lower than the purification efficiency threshold value or the heat exchanger effectiveness according to preset purification efficiency threshold value or heat exchanger effectiveness threshold decision.Described device includes: to obtain module, processing module and warning module.The embodiment of the present invention passes through the purification efficiency and heat exchanger effectiveness for calculating and judging fresh air system, generate warning information, the monitoring to the air purifying filter core working efficiency of fresh air system, and replacement of the early warning to air purifying filter core are realized, ensure that the air quality of fresh air system.
Description
Technical field
The present invention relates to field of computer technology, and in particular to a kind of the air quality method for early warning and dress of fresh air system
It sets.
Background technique
In recent years, air pollution is got worse, and the air quality problems such as haze is caused to take place frequently.More people begin to focus on
Indoor living environment quality and Outdoor Air Quality.Contain a large amount of PM2.5 particulate pollutant, these hazardous particulate matters in haze
Bronchus can directly be passed through without liver detoxification and alveolar enters blood and is dissolved in blood, greatly wound is generated to human body
Evil.Largely exist moreover, these hazardous particulate matters are not only outdoor, also largely exists in the indoor environment that people live, in addition,
Interior can also have a large amount of VOC (Volatile Organic Compounds, volatile organic compounds), body metabolism produces
Raw CO2And the pollutant of bacterial virus.Therefore, the attention with people to indoor air quality, for discharging foul indoor
Air and provide cleaning fresh air fresh air system start by universal concern.
Currently, existing fresh air system mainly uses HEPA (High Efficiency Particulate Air
Filter, high efficiency particle air filter), the technical approach of active carbon, electrostatic technique etc. as clean air, to be provided for interior
Fresh clean air.However, existing fresh air system and air cleaning unit be with the increase for using time and frequency of use,
It will be decreased obviously the purification efficiency of air, and as user, it can not specifically grasp fresh air purification device in real time at all
Whether air purification efficiency and the purification efficiency can satisfy the requirement of air cleaning.It often will appear, it is net to open fresh air
Makeup is set or air cleaning unit, and actually indoor air quality is excessively poor.Electric energy had both been consumed in this way to obtain not yet
Expected effect.
In the existing fresh air system using air purifying filter core, there is no any prison for the purification efficiency of filter core
It surveys, so that user is difficult to judge the purification efficiency of air purifying filter core, whether the purification efficiency that can not understand fresh air system is realized
The effect of air cleaning if the purification efficiency of air purifying filter core is too low prevents fresh air system from playing air cleaning
Effect, reducing air quality influences the health of user.
Therefore, the working efficiency replacement air cleaning filter of early warning simultaneously of the air purifying filter core of fresh air system how is monitored
Core, the technical issues of becoming fresh air system urgent need to resolve.
Summary of the invention
For the defects in the prior art, the present invention provides the air quality method for early warning and dress of a kind of fresh air system
It sets.
On the one hand, the embodiment of the present invention provides a kind of air quality method for early warning of fresh air system, this method comprises:
Obtain the environmental data of fresh air system；
The purification efficiency and heat exchanger effectiveness of the fresh air system are obtained according to the environmental data operation；
If judgement knows the purification efficiency lower than purification efficiency threshold value or the heat exchanger effectiveness lower than heat exchanger effectiveness
Threshold value then generates warning information.
Optionally, the environmental data includes CO2Concentration, if the purification efficiency lower than the purification efficiency threshold value it
Afterwards,
According to preset CO2Concentration conditions judgement, if CO in the environmental data2Concentration value meets the CO2Concentration item
Part then issues the instruction for reducing the fresh air wind speed of the fresh air system.
Optionally, the environmental data further includes the polar plate voltage of the air purifying filter core of the fresh air system, if described
Purification efficiency is lower than after the purification efficiency threshold value, comprising:
Judged according to preset polar plate voltage condition, if the polar plate voltage of the fresh air system meets the preset pole plate
Voltage conditions then issue the instruction for increasing the polar plate voltage of the fresh air system；
If the polar plate voltage of the fresh air system does not meet the preset polar plate voltage condition, alarm command is issued.
Optionally, the method also includes:
According to preset purification efficiency threshold value or heat exchanger effectiveness threshold decision, if the purification efficiency is optionally greater than described
Purification efficiency threshold value, and the heat exchanger effectiveness is lower than the heat exchanger effectiveness threshold value, then issues alarm command.
Optionally, the sending alarm command, specifically includes:
Issue the alarm command for replacing the air purifying filter core of the fresh air system.
Optionally, the purification efficiency that the fresh air system is obtained according to the environmental data operation, specifically includes: described new
The purification efficiency E of the PM2.5 of wind system are as follows:
Wherein, C1For the first average quality concentration of PM2.5 at fresh air inlet pipeline sampling；C2It is adopted for fresh air outlet conduit
The second average quality concentration of PM2.5 at sample；
The environmental data includes PM2.5 the first average quality concentration and the PM2.5 the second average quality concentration.
Optionally, the heat exchanger effectiveness that the fresh air system is obtained according to the environmental data operation, specifically includes:
The heat exchanger effectiveness η of the fresh air system are as follows:
Wherein, t1For fresh air inlet air temperature；t2For fresh air temperature of outgoing air；t3For air draft inlet air temperature；
QxFor fresh air volume；QpFor exhaust air rate；
The environmental data includes the fresh air inlet air temperature, the fresh air temperature of outgoing air, the air draft inlet air temperature, institute
State fresh air volume and the exhaust air rate.
On the other hand, the embodiment of the present invention provides a kind of air quality prior-warning device of fresh air system, which includes:
Module is obtained, for obtaining the environmental data of fresh air system；
Processing module, for obtaining the purification efficiency and heat exchange effect of the fresh air system according to the environmental data operation
Rate；And be used for according to preset purification efficiency threshold value or heat exchanger effectiveness threshold decision, if the purification efficiency is lower than described
Purification efficiency threshold value or the heat exchanger effectiveness are lower than the heat exchanger effectiveness threshold value, then issue alarm command；
Warning module, the alarm command issued for receiving the processing module, and early warning letter is generated according to described instruction
Breath.
Optionally, the environmental data obtained in module that obtains includes CO2Concentration, if the processing module judges
The purification efficiency is lower than after the purification efficiency threshold value, and the processing module is also used to: according to preset CO2Concentration item
Part judgement, if CO in the environmental data2Concentration value meets the CO2Concentration conditions, then issuing reduces the new of the fresh air system
The instruction of wind wind speed.
Optionally, described to obtain the air cleaning filter that the environmental data obtained in module further includes the fresh air system
The polar plate voltage of core, if the processing module judges that the purification efficiency is lower than after the purification efficiency threshold value, the processing
Module is also used to:
Judged according to preset polar plate voltage condition,
If the polar plate voltage of the fresh air system meets the preset polar plate voltage condition, issues and increase the fresh air
The instruction of the polar plate voltage of system；
If the polar plate voltage of the fresh air system does not meet the preset polar plate voltage condition, alarm command is issued.
The air quality method for early warning and device of fresh air system provided in an embodiment of the present invention, by calculating and judging fresh air
The purification efficiency and heat exchanger effectiveness of system generate warning information, realize the air purifying filter core work effect to fresh air system
The monitoring of rate, and replacement of the early warning to air purifying filter core, ensure that the air quality of fresh air system, avoid Interior Space
The decline of gas depuration quality, and caused by the energy consumption waste.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the flow diagram of the air quality method for early warning of fresh air system in the embodiment of the present invention；
Fig. 2 is the flow diagram of the air quality method for early warning of another fresh air system in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the air quality prior-warning device of fresh air system in the embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention is explicitly described, it is clear that described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
Fig. 1 is the flow diagram of the air quality method for early warning of fresh air system in the embodiment of the present invention, as shown in Figure 1,
It the described method comprises the following steps:
Step 101, the environmental data for obtaining fresh air system.
Wherein, the environmental data includes: outdoor environment data and indoor environment data.
The outdoor environment data can obtain acquisition by third party's air monitering equipment or pass through Professional Meteorological office
Or the different sensor acquisitions and acquisition, specific data target built in new Blower Body have CO2, PM2.5, temperature, fresh air
Temperature, temperature of outgoing air etc..
The indoor environment data include CO2, PM2.5, indoor humidity etc., these data can be by fresh air system
The various sensors acquisition being arranged, can also be acquired, the embodiment of the present invention is optional by other indoor environment data monitoring equipment
Be by other room air detecting devices acquire data, in this way, obtain air data will can be the indoor confined space
An interior mean value, can more accurately obtain indoor air data, partial points at aeration device can only be obtained by avoiding
Air quality data and cause acquire data inaccuracy problem.
Specifically, the size of indoor humidity value will affect electrostatic potential, electric current and the equipment operation of air purifying filter core
Safety etc., temperature then directly affects heat exchanger effectiveness；The air purifying filter core of fresh air system as mentioned in the embodiments of the present invention is same
When have the function of Total heat exchange and electrostatic precipitation, electrostatic precipitation function is by the pole of air purifying filter core adjacent two layers
Plate applies the high pressure of alternate positive and negative, so that the high voltage electric field of alternate positive and negative is formed between the pole plate, so that air purifying filter core can
With powerful adsorption capacity, achieve the effect that high-efficient purification.Therefore, the voltage between air purifying filter core pole plate and dust are micro-
The current data generated after grain is charged is extremely important for the purification efficiency and heat exchanger effectiveness of judging fresh air system purification device.
Step 102, the purification efficiency and heat exchanger effectiveness that the fresh air system is obtained according to the environmental data operation.
Wherein:
The purification efficiency refers to the purification efficiency to particulate in air, and specific test is using the value of PM2.5 as standard；
The heat exchanger effectiveness be fresh air system heat exchange parameter, its working principle is that: fresh air system at runtime, room
Interior air draft and outdoor fresh air are when flowing through air purifying filter core, since there is the temperature difference for two sidewind of pole plate of air purifying filter core
Poor with vapor partial pressure, heat and mass phenomenon is presented when passing through air purifying filter core in two strands of air-flows, causes Total heat exchange process.
Step 103, according to preset purification efficiency threshold value or heat exchanger effectiveness threshold decision, if the purification efficiency is lower than
The purification efficiency threshold value or the heat exchanger effectiveness are lower than the heat exchanger effectiveness threshold value, then issue alarm command.
Wherein:
The purification efficiency threshold value refers to fresh air system to particulate matter, and specific test carries out net using the value of PM2.5 as standard
Change the standard value reached, is preset according to specific requirement；
The heat exchanger effectiveness threshold value refers to that fresh air system carries out temperature exchange to the air-flow temperature difference and vapor partial pressure difference and reaches
A standard value, preset according to specific requirement；
The alarm command refers to when fresh air system detects that the purification efficiency of fresh air system drops to by preset rules
Below purification efficiency threshold value or when heat exchanger effectiveness drops to heat exchanger effectiveness threshold value or less, the control instruction of generation, with control
Fresh air system processed issues audio warning outstanding or shows text prompt outstanding, it is intended that replacement air purifying filter core is protected
Demonstrate,prove the quality of air cleaning.
A kind of embodiment of the embodiment of the present invention are as follows: for fresh air system, obtain the environment of fresh air system first
Data, obtain the purification efficiency of the fresh air system according to the environmental data by preset calculation formula operation, and according to
The environmental data obtains the heat exchanger effectiveness of the fresh air system by preset calculation formula operation；The purification is imitated again
Rate and the heat exchanger effectiveness are compared with the preset purification efficiency threshold value of fresh air system and heat exchanger effectiveness threshold value, if judgement
Know that the purification efficiency lower than heat exchanger effectiveness threshold value, then generates replacement lower than purification efficiency threshold value or the heat exchanger effectiveness
The alarm command of air purifying filter core, fresh air system generate corresponding warning information according to alarm command to issue warning or mention
Show.
The air quality method for early warning of fresh air system provided in an embodiment of the present invention passes through what is obtained according to the real-time or period
Environmental data, which calculates, obtains purification efficiency and heat exchanger effectiveness, and judges generation warning information, realizes to fresh air system
Air purifying filter core working efficiency monitoring, and replacement of the early warning to air purifying filter core ensure that fresh air system
Air quality.
On the basis of the above embodiments,
Optionally, step 103 specifically includes: the environmental data includes CO2Concentration, if the purification efficiency is lower than described
After purification efficiency threshold value, according to preset CO2Concentration conditions judgement, if CO in the environmental data2Concentration value meets described
CO2Concentration conditions then issue the instruction for reducing the fresh air wind speed of the fresh air system.
Preferably, the preset CO2Concentration conditions can be preset CO2Concentration range, according to preset CO2Concentration
Condition judges CO in the environmental data2Whether concentration value meets the CO2Concentration conditions, specifically, according to preset CO2It is dense
Degree range judges CO in environmental data2Concentration value whether between the setting CO2Concentration range, if so, issuing reduces fresh air
The instruction of the fresh air wind speed of system.Certainly, the preset CO2Concentration conditions can be set according to specific requirement, the present invention couple
This does not enumerate explanation.
Optionally, step 103 is specific further include: the environmental data further includes the air purifying filter core of the fresh air system
Polar plate voltage, if the purification efficiency is lower than after the purification efficiency threshold value, comprising: according to preset polar plate voltage condition
Judgement issues if the polar plate voltage of the fresh air system meets the preset polar plate voltage condition and increases the fresh air system
The instruction of the polar plate voltage of system；If the polar plate voltage of the fresh air system does not meet the preset polar plate voltage condition, send out
Alarm command out.
The polar plate voltage value is obtained by the high voltage package of boosting inverter output HIGH voltage, and pole plate is with high voltage package by leading
To connection；Power requirement gives 0-5V signal, and then power supply controls the output voltage of high voltage package according to this signal.It is described default
Polar plate voltage condition for example can be preset polar plate voltage threshold value, the polar plate voltage threshold value be high voltage package can be with output voltage
Limiting value, if the output voltage of real-time monitoring high voltage package is more than the limiting value, the air purifying filter core of the new wind information will
There is safety problem, may be unable to operate normally.
Specifically, in the above-described embodiments, it, can be by fresh air system after determining the purification efficiency decline of fresh air system
The adjustment of the various service conditions of system is realized the adjustment to the purification efficiency of fresh air system, such as be can be, by adjusting fresh air
System reduces fresh air wind speed and realizes the clean-up effect for improving air purifying filter core, guarantee fresh air to the air-supply wind speed of outdoor fresh air
The purification efficiency of system.Such as it is also possible that pass through the pole plate discharge voltage for directly increasing air purifying filter core, to control height
The field strength of piezoelectric field guarantees the clean-up effect of fresh air system.
Optionally, the method also includes: according to preset purification efficiency threshold value and heat exchanger effectiveness threshold decision, if institute
Purification efficiency is stated optionally greater than the purification efficiency threshold value, and the heat exchanger effectiveness is lower than the heat exchanger effectiveness threshold value, then
Issue alarm command.
Optionally, the sending alarm command, specifically includes: issuing the air purifying filter core for replacing the fresh air system
Alarm command.
Optionally, the purification efficiency that the fresh air system is obtained according to the environmental data operation, specifically includes: described new
The purification efficiency E of the PM2.5 of wind system are as follows:
Wherein, C1For the first average quality concentration of PM2.5 at fresh air inlet pipeline sampling；C2It is adopted for fresh air outlet conduit
The second average quality concentration of PM2.5 at sample；
The environmental data includes PM2.5 the first average quality concentration and the PM2.5 the second average quality concentration.
Optionally, the heat exchanger effectiveness that the fresh air system is obtained according to the environmental data operation, specifically includes: described
The heat exchanger effectiveness η of fresh air system are as follows:
Wherein, t1For fresh air inlet air temperature；t2For fresh air temperature of outgoing air；t3For air draft inlet air temperature；
QxFor fresh air volume；QpFor exhaust air rate；
The environmental data includes the fresh air inlet air temperature, the fresh air temperature of outgoing air, the air draft inlet air temperature, institute
State fresh air volume and the exhaust air rate.
Fig. 2 is the flow diagram of the air quality method for early warning of another fresh air system in the embodiment of the present invention, such as Fig. 2
It is shown, a specific embodiment of the method for early warning of the present embodiment are as follows: the following steps are included:
Step 201 obtains environmental data, and obtains fresh air system purification efficiency and Re Jiao according to the environmental data operation
Change efficiency；
In the present embodiment, the purification efficiency of fresh air system refers to that fresh air system imitates the purification of the dust particle in air
Rate can obtain in real time the purification efficiency of fresh air system by the PM2.5 levels variation in monitoring air.The environmental data
Including the PM2.5 average quality concentration, fresh air inlet air temperature, fresh air temperature of outgoing air, air draft inlet air temperature, fresh air volume and air draft
Amount etc..
Specifically, the purification efficiency E of the PM2.5 of the fresh air system are as follows:
Wherein, C1For the first average quality concentration of PM2.5 at fresh air inlet pipeline sampling；C2It is adopted for fresh air outlet conduit
The second average quality concentration of PM2.5 at sample；
The heat exchanger effectiveness η of the fresh air system are as follows:
Wherein, t1For fresh air inlet air temperature；t2For fresh air temperature of outgoing air；t3For air draft inlet air temperature；
QxFor fresh air volume；QpFor exhaust air rate.
Step 202, according to it is preset for judge purification efficiency decline purification efficiency threshold value, judge the fresh air system
Purification efficiency whether be lower than the purification efficiency threshold value；If so, executing step 203；If not, executing step 205；
Step 203, according to preset CO2 concentration range, judge CO2Whether concentration value is between the preset CO2 concentration
Range；If it is, issuing the instruction for reducing the fresh air wind speed of the fresh air system, and step 201 is continued to execute, if not,
Execute step 204；
It is described to judge whether polar plate voltage value is less than for step 204, the polar plate voltage value according to the air purifying filter core of setting
Preset polar plate voltage value, if so, the instruction that 206 sendings increase the polar plate voltage of the fresh air system is thened follow the steps, and
Step 201 is continued to execute, if not, executing step 208；
Step 205 judges whether the heat exchanger effectiveness of the fresh air system is lower than the heat exchanger effectiveness threshold value, if
It is to then follow the steps 208, otherwise fresh air system restarts step 201；
Step 206 issues the instruction for increasing the polar plate voltage of the fresh air system；
Step 207 issues the instruction for reducing the fresh air wind speed of the fresh air system；
Step 208, the prompt or warning for issuing replacement air purifying filter core.
In the embodiment of the present invention, heat exchanger effectiveness is required as refrigeration > 60%, heating > 65%；Purification efficiency >=70%.
With the decline of purification efficiency, polar plate voltage/electric current can and then change, can be definite by the parameter and standard pre-set
Grasp and control air purifying filter core life span.Initial value is kept to air purifying filter core efficiency, scheme one is logical
The revolving speed for crossing reduction blower reaches, and scheme two can increase voltage and become by force by field strength to realize, can be as needed in practical operation
It is comprehensive to determine embodiment.
The air quality method for early warning of fresh air system provided in an embodiment of the present invention, can real-time monitoring fresh air system purification
Efficiency or heat exchanger effectiveness, and by the purification efficiency obtained in real time and heat exchanger effectiveness and preset purification efficiency and Re Jiao
The decision condition for changing efficiency qualification is compared, and during fresh air system carries out air cleaning or heat exchange, is realized real-time
Detect fresh air system purification and heat exchange effect, and can the air purifying filter core of early warning fresh air system in time operating condition, protect
Demonstrate,prove purified air quality.Meanwhile the air quality method for early warning of fresh air system provided in an embodiment of the present invention can also be
Under the premise of guaranteeing indoor air quality and fresh air system operational safety, by reducing, fresh air enters the wind wind speed and/or increase is empty
The mode of the polar plate voltage of gas purifying filter element etc. carries out the adjustment of purification efficiency, extends the air cleaning filter of fresh air system
The service life of core reduces the air cleaning cost of user.
Fig. 3 is the structural schematic diagram of the air quality prior-warning device of fresh air system in the embodiment of the present invention, as shown in figure 3,
Described device includes: to obtain module 301, processing module 302 and warning module 303；Wherein,
Obtain the environmental data that module 301 is used to obtain fresh air system；Processing module 302 is used for according to the environmental data
Operation obtains the purification efficiency and heat exchanger effectiveness of the fresh air system；And for according to preset purification efficiency threshold value or heat
Exchange efficiency threshold decision, if the purification efficiency is lower than the heat lower than the purification efficiency threshold value or the heat exchanger effectiveness
Exchange efficiency threshold value, then issue alarm command；Warning module 303 is used to receive the alarm command that the processing module issues, and
Warning information is generated according to described instruction.
The specific embodiment of the embodiment of the present invention are as follows: for fresh air system, acquisition module 301 first obtains fresh air
The environmental data of system, processing module 301 pass through preset purification efficiency calculation formula and heat exchange according to the environmental data
Efficiency calculation formula operation obtains the purification efficiency and heat exchanger effectiveness of the fresh air system；By the purification efficiency and the heat
Exchange efficiency is compared with the preset purification efficiency threshold value of fresh air system and heat exchanger effectiveness threshold value, if judging institute obtained
Purification efficiency is stated lower than purification efficiency threshold value or the heat exchanger effectiveness lower than heat exchanger effectiveness threshold value, then issues and more ventilates only
Change the alarm command of filter core；Warning module 303 receives the alarm command that the processing module issues, and is generated according to described instruction
Warning information.
The air quality prior-warning device of fresh air system provided in an embodiment of the present invention, by setting processing module according to acquisition
The environmental data operation that module obtains in real time obtains the purification efficiency and heat exchanger effectiveness of the fresh air system；And it is this is net
Change efficiency and heat exchanger effectiveness is compared with preset purification efficiency threshold value and heat exchanger effectiveness threshold value, when judgement obtains in real time
Purification efficiency when being lower than heat exchanger effectiveness threshold value lower than purification efficiency threshold value or the heat exchanger effectiveness, then issue early warning
Instruction, realizes the monitoring to the air purifying filter core working efficiency of fresh air system, and early warning is to air purifying filter core
Replacement, ensure that the air quality of fresh air system.
On the basis of the above embodiments, optionally, the air quality early warning of fresh air system provided in an embodiment of the present invention
Device, the environmental data obtained in module that obtains includes CO2Concentration, if the processing module judges the purification effect
Rate is lower than after the purification efficiency threshold value, and the processing module is also used to: according to preset CO2Concentration conditions judgement, if institute
State CO in environmental data2Concentration value meets the CO2Concentration conditions then issue the finger for reducing the fresh air wind speed of the fresh air system
It enables.
The specific embodiment of the embodiment of the present invention are as follows: fresh air system obtains module 301 and is used to obtain environmental data, described
Environmental data includes CO2Concentration, if the processing module judges that the purification efficiency is lower than after the purification efficiency threshold value, institute
Processing module 302 is stated according to preset CO2Concentration conditions judgement, if CO in the environmental data2Concentration value meets the CO2It is dense
Degree condition then issues the instruction for reducing the fresh air wind speed of the fresh air system.
The air quality method for early warning of fresh air system provided in an embodiment of the present invention is also used by the way that the processing module is arranged
According to preset CO2Concentration conditions judgement, if CO in the environmental data2Concentration value meets the CO2Concentration conditions are then sent out
The instruction for reducing the fresh air wind speed of the fresh air system out is realized to the air purifying filter core working efficiency of fresh air system more
Add the monitoring of fining, efficiently ensure that the purification efficiency of air purifying filter core, better assures that the air of fresh air system
Quality.
On the basis of the above embodiments, optionally, the environmental data obtained in module that obtains further includes institute
The polar plate voltage of the air purifying filter core of fresh air system is stated, if the processing module judges the purification efficiency lower than the purification
After efficiency threshold, the processing module is also used to: being judged according to preset polar plate voltage condition, if the pole of the fresh air system
Plate voltage meets the preset polar plate voltage condition, then issues the instruction for increasing the polar plate voltage of the fresh air system；If institute
The polar plate voltage for stating fresh air system does not meet the preset polar plate voltage condition, then issues alarm command.
The specific embodiment of the embodiment of the present invention are as follows: fresh air system obtains module 301 and is used to obtain environmental data, described
Environmental data further includes the polar plate voltage of the air purifying filter core of the fresh air system, if the processing module judges the purification
Efficiency is lower than after the purification efficiency threshold value, and the processing module 302 judges according to preset polar plate voltage condition, if described
The polar plate voltage of fresh air system meets the preset polar plate voltage condition, then issues the polar plate voltage for increasing the fresh air system
Instruction；If the polar plate voltage of the fresh air system does not meet the preset polar plate voltage condition, alarm command is issued.
The air quality method for early warning of fresh air system provided in an embodiment of the present invention is also used by the way that the processing module is arranged
Judge according to preset polar plate voltage condition, if the polar plate voltage of the fresh air system meets the preset polar plate voltage item
Part then issues the instruction for increasing the polar plate voltage of the fresh air system；If the polar plate voltage of the fresh air system does not meet described
Preset polar plate voltage condition, then issue alarm command；It realizes to the air purifying filter core working efficiency of fresh air system more
Add the monitoring of fining, efficiently ensure that the purification efficiency of air purifying filter core, and timely more to air purifying filter core
Early warning is changed, better assures that the air quality of fresh air system.
The air quality prior-warning device of above-mentioned fresh air system is the air quality early warning for realizing above fresh air system
Method is above described in detail each step, herein no longer statement in detail.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the embodiment of the present invention, rather than it is right
It is limited；Although the embodiment of the present invention is described in detail referring to foregoing embodiments, the ordinary skill of this field
Personnel are it is understood that it is still possible to modify the technical solutions described in the foregoing embodiments, or to part
Or all technical features are equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution
The range of each embodiment technical solution of the embodiment of the present invention.
Claims (10)
1. a kind of air quality method for early warning of fresh air system, which is characterized in that the described method includes:
Obtain the environmental data of fresh air system；
The purification efficiency and heat exchanger effectiveness of the fresh air system are obtained according to the environmental data operation；
According to preset purification efficiency threshold value or heat exchanger effectiveness threshold decision, if the purification efficiency is lower than the purification efficiency
Threshold value or the heat exchanger effectiveness are lower than the heat exchanger effectiveness threshold value, then issue alarm command.
2. the method according to claim 1, wherein the environmental data includes CO2Concentration, if the purification is imitated
Rate is lower than after the purification efficiency threshold value,
According to preset CO2Concentration conditions judgement, if CO in the environmental data2Concentration value meets the CO2Concentration conditions, then
Issue the instruction for reducing the fresh air wind speed of the fresh air system.
3. the method according to claim 1, wherein the environmental data further includes the air of the fresh air system
The polar plate voltage of purifying filter element, if the purification efficiency is lower than after the purification efficiency threshold value, comprising:
Judged according to preset polar plate voltage condition, if the polar plate voltage of the fresh air system meets the preset polar plate voltage
Condition then issues the instruction for increasing the polar plate voltage of the fresh air system；
If the polar plate voltage of the fresh air system does not meet the preset polar plate voltage condition, alarm command is issued.
4. the method according to claim 1, wherein the method also includes:
According to preset purification efficiency threshold value or heat exchanger effectiveness threshold decision, if the purification efficiency is optionally greater than the purification
Efficiency threshold, and the heat exchanger effectiveness is lower than the heat exchanger effectiveness threshold value, then issues alarm command.
5. the method according to claim 3 or 4, which is characterized in that the sending alarm command specifically includes:
Issue the alarm command for replacing the air purifying filter core of the fresh air system.
6. the method according to claim 1, wherein described obtain the fresh air according to the environmental data operation
The purification efficiency of system, specifically includes:
The purification efficiency E of the PM2.5 of the fresh air system are as follows:
Wherein, C1For the first average quality concentration of PM2.5 at fresh air inlet pipeline sampling；C2At fresh air outlet conduit sampling
The second average quality concentration of PM2.5；
The environmental data includes the first average quality concentration of the PM2.5 and the second average quality concentration of the PM2.5.
7. the method according to claim 1, wherein described obtain the fresh air according to the environmental data operation
The heat exchanger effectiveness of system, specifically includes: the heat exchanger effectiveness η of the fresh air system are as follows:
Wherein, t1For fresh air inlet air temperature；t2For fresh air temperature of outgoing air；t3For air draft inlet air temperature；
QxFor fresh air volume；QpFor exhaust air rate；
The environmental data includes the fresh air inlet air temperature, the fresh air temperature of outgoing air, the air draft inlet air temperature, described new
Air quantity and the exhaust air rate.
8. a kind of air quality prior-warning device of fresh air system, which is characterized in that described device includes:
Module is obtained, for obtaining the environmental data of fresh air system；
Processing module, for obtaining the purification efficiency and heat exchanger effectiveness of the fresh air system according to the environmental data operation；
And be used for according to preset purification efficiency threshold value or heat exchanger effectiveness threshold decision, if the purification efficiency is lower than the purification
Efficiency threshold or the heat exchanger effectiveness are lower than the heat exchanger effectiveness threshold value, then issue alarm command；
Warning module, the alarm command issued for receiving the processing module, and warning information is generated according to described instruction.
9. device according to claim 8, which is characterized in that described to obtain the environmental data that obtains in module and include
CO2Concentration, if the processing module judges that the purification efficiency is lower than after the purification efficiency threshold value, the processing module,
It is also used to:
According to preset CO2Concentration conditions judgement, if CO in the environmental data2Concentration value meets the CO2Concentration conditions, then
Issue the instruction for reducing the fresh air wind speed of the fresh air system.
10. device according to claim 8, which is characterized in that described to obtain the environmental data obtained in module also
The polar plate voltage of air purifying filter core including the fresh air system, if the processing module judges the purification efficiency lower than institute
After stating purification efficiency threshold value, the processing module is also used to:
Judged according to preset polar plate voltage condition,
If the polar plate voltage of the fresh air system meets the preset polar plate voltage condition, issues and increase the fresh air system
Polar plate voltage instruction；
If the polar plate voltage of the fresh air system does not meet the preset polar plate voltage condition, alarm command is issued.
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