CN107575992A - Fresh air system control method and device - Google Patents
Fresh air system control method and device Download PDFInfo
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- CN107575992A CN107575992A CN201710662181.8A CN201710662181A CN107575992A CN 107575992 A CN107575992 A CN 107575992A CN 201710662181 A CN201710662181 A CN 201710662181A CN 107575992 A CN107575992 A CN 107575992A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000001514 detection method Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- FNMKZDDKPDBYJM-UHFFFAOYSA-N 3-(1,3-benzodioxol-5-yl)-7-(3-methylbut-2-enoxy)chromen-4-one Chemical compound C1=C2OCOC2=CC(C2=COC=3C(C2=O)=CC=C(C=3)OCC=C(C)C)=C1 FNMKZDDKPDBYJM-UHFFFAOYSA-N 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The invention provides a fresh air system control method and a fresh air system control device, wherein the method comprises the following steps: acquiring the air quality condition outside a fresh air machine room; and controlling the running state of the fresh air fan according to the air quality condition. The invention solves the technical problem that the service life of the filter screen is too short due to the fact that the existing fresh air fan always runs, and achieves the technical effect of effectively prolonging the service life of the filter screen.
Description
Technical field
The present invention relates to equipment control technology field, in particular to a kind of VMC control method and device.
Background technology
With the exacerbation of haze weather, new blower fan is increasingly favored by people.Screen pack is as very heavy in new blower fan
The part wanted, price is typically higher, and needs to change.In some with serious pollution places, the frequency of filter screen replacement
Can be higher, so also allow for higher using the cost of VMC.
Although the filter screen life-span can no doubt be extended by changing the more preferable filter screen of material, reduce the replacement frequency of filter screen, it is also same
Sample can cause expense to increase.
In view of the above-mentioned problems, not yet propose effective solution at present.
The content of the invention
The embodiments of the invention provide a kind of VMC control method, to screen pack in effectively lifting VMC
Service life, this method include：
Obtain the air quality situation of new blower fan outside；
According to air quality situation, the running status of new blower fan is controlled.
In one embodiment, according to air quality situation, the running status of new blower fan is controlled, including：
In the case where air quality is higher than the first predetermined threshold value, new fan operation is controlled；
In the case where air quality is not higher than the first predetermined threshold value, control new blower fan out of service.
In one embodiment, the air quality situation of new blower fan outside is obtained, including：
Obtain the air quality curve of the predetermined number of days whole day before the day before yesterday；
According to the air quality curve of the predetermined number of days, fitting obtain one be used for characterize one day in air quality walk
Power curve；
By it is described walk power curve, as when the day before yesterday air quality situation.
In one embodiment, the air quality curve of the predetermined number of days whole day before the day before yesterday is obtained, including：
By the Detection of Air Quality sensor installed in advance in new blower fan outside, the predetermined day before the day before yesterday is obtained
The air quality curve of number whole day.
In one embodiment, according to air quality situation, the running status of new blower fan is controlled, including：
According to it is described walk power curve determine air quality be not higher than the first predetermined threshold value period；
Control the new blower fan before period of the air quality not higher than the first predetermined threshold value in preset duration, with more than
The power of first predetermined power carries out inner air and outer air exchange, and controls the new blower fan in air quality not higher than the first default threshold
It is the period of value, out of service.
In one embodiment, according to the air quality curve of the predetermined number of days, fitting obtains one and is used to characterize
Air quality walks power curve in one day, including：
One of in the following manner fitting obtain one be used for characterize one day in air quality walk power curve：Remove minimum
Value, remove maximum, be averaged.
In one embodiment, the air quality situation of new blower fan outside is obtained, including：
By the Detection of Air Quality sensor installed in advance in new blower fan outside, new blower fan outside is obtained in real time
Air quality situation.
The embodiment of the present invention additionally provides a kind of VMC control device, to screen pack in effectively lifting VMC
Service life, the device includes：
Acquisition module, for obtaining the air quality situation of new blower fan outside；
Control module, for according to air quality situation, being controlled to the running status of new blower fan.
In one embodiment, the control module includes：
First control unit, in the case of being higher than the first predetermined threshold value in air quality, control new fan operation；
Second control unit, in the case of being not higher than the first predetermined threshold value in air quality, new blower fan is controlled to stop
Operation.
In one embodiment, the acquisition module includes：
Acquiring unit, for obtaining the air quality curve of the predetermined number of days whole day before the day before yesterday；
Fitting unit, for the air quality curve according to the predetermined number of days, fitting obtain one be used for characterize one day
Interior air quality walks power curve；
Generation unit, for by it is described walk power curve, as when the day before yesterday air quality situation.
In one embodiment, the acquiring unit is specifically used for the air by being installed in advance in new blower fan outside
Quality detection sensor, obtain the air quality curve of the predetermined number of days whole day before the day before yesterday.
In one embodiment, the control module includes：
Determining unit, determine that air quality is not higher than the period of the first predetermined threshold value for walking power curve according to；
3rd control unit, for controlling the new blower fan before period of the air quality not higher than the first predetermined threshold value
In preset duration, to carry out inner air and outer air exchange more than the power of the first predetermined power, and the new blower fan is controlled in air matter
Amount is not higher than the period of the first predetermined threshold value, out of service.
In one embodiment, the fitting unit is specifically used for one of in the following manner fitting and obtains one being used for
Characterize air quality in one day and walk power curve：Minimum value is removed, maximum is removed, is averaged.
In one embodiment, the acquisition module is specifically used for the air by being installed in advance in new blower fan outside
Quality detection sensor, the air quality situation of new blower fan outside is obtained in real time.
In the above-described embodiments, according to air quality situation, the running status of new blower fan is controlled, rather than since
Just run after start, but the running status of new blower fan is controlled always according to air quality point situation, so as to solve
Screen pack life-span too short technical problem caused by certainly existing new blower fan is run always, effective lifting screen pack longevity is reached
The technique effect of life.
Brief description of the drawings
The accompanying drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the method flow diagram of VMC control method according to embodiments of the present invention；
Fig. 2 is the schematic flow sheet according to embodiments of the present invention being controlled to VMC；
Fig. 3 is one day air quality curve synoptic diagram that fitting according to embodiments of the present invention obtains；
Fig. 4 is the structured flowchart of VMC control device according to embodiments of the present invention.
Embodiment
It is right with reference to embodiment and accompanying drawing for the object, technical solutions and advantages of the present invention are more clearly understood
The present invention is described in further details.Here, the exemplary embodiment of the present invention and its illustrate to be used to explain the present invention, but simultaneously
It is not as a limitation of the invention.
If in view of being controlled according to air conditions to the running status of new blower fan, for example, outside air quality is special
When not bad, just control new blower fan not run, thus be avoided that filter core is crossed and run low, so as to effectively lift the longevity of filter core
Life.
Based on this, a kind of VMC control method is provided in this example, as shown in figure 1, may include steps of：
Step 101：Obtain the air quality situation of new blower fan outside；
Step 102：According to air quality situation, the running status of new blower fan is controlled.
Specifically, can be the control in the case where air quality is higher than the first predetermined threshold value in above-mentioned steps 102
New fan operation；In the case where air quality is not higher than the first predetermined threshold value, control new blower fan out of service.That is, in air
In the case that quality is good, new blower fan normal operation is controlled, if air quality is bad, then new blower fan can be controlled to stop fortune
OK.
Further, it is contemplated that be simply set as that air quality is well just started shooting if, air quality is bad just not to be opened
Machine, then will certainly causing room air, room air is also very bad in the case where extraneous air quality is bad, can not be effective
Play a part of new blower fan.
Therefore, in view of that can determine that air is good according to the current air quality of air branch prediction a few days ago
Period and stuff period.For the air good period, can soon be arrived for the stuff period with normal operation
Preceding a period of time, the operation power of new blower fan can be improved, accelerates the purification of room air.So that subsequently extraneous empty
In the case of gas poor quality, air quality relatively good within doors can also be kept.
For example, air quality situation can be obtained according to following steps, and new blower fan is controlled：
S1：The air quality situation of new blower fan outside is obtained, including：
S2：Obtain the air quality curve of the predetermined number of days whole day before the day before yesterday；
S3：According to the air quality curve of the predetermined number of days, fitting obtain one be used for characterize one day in air quality
Walk power curve；
S4：By it is described walk power curve, as when the day before yesterday air quality situation.
S5：According to it is described walk power curve determine air quality be not higher than the first predetermined threshold value period；
S6：Control the new blower fan before period of the air quality not higher than the first predetermined threshold value in preset duration, with
Power more than the first predetermined power carries out inner air and outer air exchange, and controls the new blower fan pre- not higher than first in air quality
It is if the period of threshold value, out of service.
In order to obtain the air quality curve of the predetermined number of days whole day before the day before yesterday, can be installed in new blower fan outside
Detection of Air Quality sensor, by the Detection of Air Quality sensor installed in advance in new blower fan outside, it can obtain and work as
The air quality curve of predetermined number of days whole day before the day before yesterday.After having obtained, stored record can be carried out, to need
When prediction, obtain data and be predicted.
In the air quality curve according to predetermined number of days, fitting obtain one be used for characterize one day in air quality tendency
When curve, can be through but not limited to one of in the following manner fitting obtain one be used for characterize one day in air quality
Walk power curve：Remove minimum value, remove maximum, equalization of making even.
Above-mentioned filter method is illustrated with reference to a specific embodiment, it is important to note, however, that this is specific
Embodiment does not form the improper restriction to the application merely to the application is better described.
The factors such as service life and material, impurity screening total amount in view of screen pack are related.In this example, it is contemplated that can
To increase the service life of filter screen in terms of the total amount of impurity screening.Specifically, can be by selecting appropriate filtration, purification
Time, avoid the period of Outdoor Air Quality difference, during so as to avoid seriously polluted the increase of strainer filtering total impurities from
And the generation for the problem of reducing the screen pack life-span.That is, by intelligent selection filtration time, the same of IAQ is being ensured
When, effectively reducing screen pack needs the quantity of impurity screening, extends the service life of screen pack.
In order to achieve the above object, can be carried out according to mode as shown in Figure 2：
1) Detection of Air Quality sensor is installed in new blower fan outside, air mass sensor can detect the sky of whole day
Makings volume index is simultaneously preserved and updated.
2) master chip is generated algorithmically by the air of approximate whole day according to the air quality data profit of certain number of days of storage
Reference of the figure-of-merit curve as second day Air Quality Change Trend.Second day state that new blower fan is controlled according to curve,
Time of exchanging gas section avoids the outdoor pollutant levels high period, selects the relatively low period purification ventilation of pollutant concentration.
That is, Detection of Air Quality sensor is installed in the outside of new blower fan first, the sensor is used to gather outdoor one
Its 24 hours air quality index.Frequency acquisition can be according to the frequency for the Air Quality Change Trend that can reflect the same day.
The data gathered can be Jing Guo master control processing (such as：Remove maximin, equalization of making even) after, store data into and deposit
Store up in equipment (such as：Memory chip, sd cards etc.).
After the air quality data of certain number of days has been obtained, start with algorithm (such as：Curve matching etc.) generation one
The intraday air quality curve of bar, the curve are used for the variation tendency for prejudging second day air quality.In the time backward,
The storage of the data of the air quality of outdoor sensor collection can be as the queue of a first in first out, i.e. the number of newest one day
Oldest data can be deleted according to storing, then processor regenerates new air quality curve using new data and used
In the Air Quality Change Trend with reference to second day.
Under normal circumstances, the period of air quality difference is that have certain rule target-seeking, such as：Close to road
Region, then the period air quality more than the vehicle exhaust on and off duty can be poor, and burn coal heat the region cooked then breakfast, lunch and dinner and
Air quality can be poor the period in the evening.After having air quality curve for the previous period, also can probably determines to work as
The air quality relatively poor and preferable period occurs in it.
As shown in figure 3, air quality is being determined preferably and after the poor period, new blower fan control system can choosing
Select and control in air quality preferable period new blower fan to carry out inner air and outer air exchange with larger power.And in outdoor air
Second-rate period, new blower fan control system can also control new blower fan to be purified with relatively high power, as far as possible thorough clean room
Interior air so that air quality when Outdoor Air Quality difference in room can keep the longer time in excellent state, with to the greatest extent
Amount reduces new blower fan and is operated in the Outdoor Air Quality poor time.
By the above-mentioned means, reducing the run time that new blower fan polluted the relatively serious period among one day, add
The run time of new blower fan air quality more excellent period among one day, the filter screen for also just reducing new blower fan absorb pollutant
With the total quantity of impurity, so as to extend the life-span of screen pack.
Based on same inventive concept, a kind of VMC control device is additionally provided in the embodiment of the present invention, as following
Described in embodiment.It is similar to VMC control method to solve the principle of problem due to VMC control device, therefore fresh air
The implementation of system control device may refer to the implementation of VMC control method, repeats part and repeats no more.It is following to be used
, term " unit " or " module " can realize the combination of the software and/or hardware of predetermined function.Although following examples institute
The device of description is preferably realized with software, but hardware, or the combination of software and hardware realization be also may and quilt
Conception.Fig. 4 is a kind of structured flowchart of the VMC control device of the embodiment of the present invention, as shown in figure 4, can include：
Acquisition module 401 and control module 402, are illustrated to the structure below.
Acquisition module 401, for obtaining the air quality situation of new blower fan outside；
Control module 402, for according to air quality situation, being controlled to the running status of new blower fan.
In one embodiment, control module 402 can include：First control unit, for being higher than in air quality
In the case of first predetermined threshold value, new fan operation is controlled；Second control unit, for default not higher than first in air quality
In the case of threshold value, control new blower fan out of service.
In one embodiment, acquisition module 401 can include：Acquiring unit, it is pre- before the day before yesterday for obtaining
Determine the air quality curve of number of days whole day；Fitting unit, for the air quality curve according to the predetermined number of days, fitting obtains
One is used to characterize air quality in one day and walks power curve；Generation unit, for by it is described walk power curve, as when the day before yesterday
Air quality situation.
In one embodiment, acquiring unit specifically can be used for the air by being installed in advance in new blower fan outside
Quality detection sensor, obtain the air quality curve of the predetermined number of days whole day before the day before yesterday.
In one embodiment, control module 402 can include：Determining unit, it is true for walking power curve according to
Determine the period that air quality is not higher than the first predetermined threshold value；3rd control unit, for controlling the new blower fan in air quality
Not higher than in preset duration before the period of the first predetermined threshold value, to carry out inner air and outer air friendship more than the power of the first predetermined power
Change, and control the new blower fan air quality be not higher than the first predetermined threshold value period, it is out of service.
In one embodiment, fitting unit specifically can be used for one of in the following manner fitting and obtain one being used for
Characterize air quality in one day and walk power curve：Minimum value is removed, maximum is removed, is averaged.
In one embodiment, acquisition module 201 is specific can be used for by advance in the installation of new blower fan outside
Detection of Air Quality sensor, the air quality situation of new blower fan outside is obtained in real time.
In another embodiment, a kind of software is additionally provided, the software is used to perform above-described embodiment and preferred reality
Apply the technical scheme described in mode.
In another embodiment, a kind of storage medium is additionally provided, above-mentioned software is stored with the storage medium, should
Storage medium includes but is not limited to：CD, floppy disk, hard disk, scratch pad memory etc..
As can be seen from the above description, the embodiment of the present invention realizes following technique effect：According to air quality feelings
Condition, the running status of new blower fan is controlled, rather than just run always after start, but divide feelings according to air quality
Condition is controlled to the running status of new blower fan, so as to solve caused by existing new blower fan is run always the screen pack longevity
The too short technical problem of life, the technique effect in effective lifting screen pack life-span is reached.
Obviously, those skilled in the art should be understood that each module of the above-mentioned embodiment of the present invention or each step can be with
Realized with general computing device, they can be concentrated on single computing device, or are distributed in multiple computing devices
On the network formed, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to by it
Store and performed in the storage device by computing device, and in some cases, can be to be held different from order herein
They, are either fabricated to each integrated circuit modules or will be multiple in them by the shown or described step of row respectively
Module or step are fabricated to single integrated circuit module to realize.So, the embodiment of the present invention is not restricted to any specific hard
Part and software combine.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the embodiment of the present invention can have various modifications and variations.Within the spirit and principles of the invention, made
Any modification, equivalent substitution and improvements etc., should be included in the scope of the protection.
Claims (14)
- A kind of 1. VMC control method, it is characterised in that including：Obtain the air quality situation of new blower fan outside；According to air quality situation, the running status of new blower fan is controlled.
- 2. according to the method for claim 1, it is characterised in that according to air quality situation, to the running status of new blower fan It is controlled, including：In the case where air quality is higher than the first predetermined threshold value, new fan operation is controlled；In the case where air quality is not higher than the first predetermined threshold value, control new blower fan out of service.
- 3. according to the method for claim 1, it is characterised in that the air quality situation of new blower fan outside is obtained, including：Obtain the air quality curve of the predetermined number of days whole day before the day before yesterday；According to the air quality curve of the predetermined number of days, fitting obtain one be used for characterize one day in air quality tendency song Line；By it is described walk power curve, as when the day before yesterday air quality situation.
- 4. according to the method for claim 3, it is characterised in that obtain the air matter of the predetermined number of days whole day before the day before yesterday Curve is measured, including：By the Detection of Air Quality sensor installed in advance in new blower fan outside, the predetermined number of days obtained before the day before yesterday is complete It air quality curve.
- 5. according to the method for claim 3, it is characterised in that according to air quality situation, to the running status of new blower fan It is controlled, including：According to it is described walk power curve determine air quality be not higher than the first predetermined threshold value period；Control the new blower fan before period of the air quality not higher than the first predetermined threshold value in preset duration, with more than first The power of predetermined power carries out inner air and outer air exchange, and controls the new blower fan in air quality not higher than the first predetermined threshold value It is period, out of service.
- 6. according to the method for claim 3, it is characterised in that according to the air quality curve of the predetermined number of days, fitting Obtain one be used for characterize one day in air quality walk power curve, including：One of in the following manner fitting obtain one be used for characterize one day in air quality walk power curve：Removal minimum value, Remove maximum, be averaged.
- 7. according to the method for claim 1, it is characterised in that the air quality situation of new blower fan outside is obtained, including：By the Detection of Air Quality sensor installed in advance in new blower fan outside, the air of new blower fan outside is obtained in real time Quality condition.
- A kind of 8. VMC control device, it is characterised in that including：Acquisition module, for obtaining the air quality situation of new blower fan outside；Control module, for according to air quality situation, being controlled to the running status of new blower fan.
- 9. device according to claim 8, it is characterised in that the control module includes：First control unit, in the case of being higher than the first predetermined threshold value in air quality, control new fan operation；Second control unit, in the case of being not higher than the first predetermined threshold value in air quality, control new blower fan out of service.
- 10. device according to claim 8, it is characterised in that the acquisition module includes：Acquiring unit, for obtaining the air quality curve of the predetermined number of days whole day before the day before yesterday；Fitting unit, for the air quality curve according to the predetermined number of days, fitting obtain one be used for characterize one day in sky Makings amount walks power curve；Generation unit, for by it is described walk power curve, as when the day before yesterday air quality situation.
- 11. device according to claim 10, it is characterised in that the acquiring unit is specifically used for passing through in advance in fresh air The Detection of Air Quality sensor of machine outside installation, obtain the air quality curve of the predetermined number of days whole day before the day before yesterday.
- 12. device according to claim 10, it is characterised in that the control module includes：Determining unit, determine that air quality is not higher than the period of the first predetermined threshold value for walking power curve according to；3rd control unit, for controlling the new blower fan to be preset before period of the air quality not higher than the first predetermined threshold value In duration, with more than the power of the first predetermined power carry out inner air and outer air exchange, and control the new blower fan in air quality not It is out of service higher than the period of the first predetermined threshold value.
- 13. according to the method for claim 10, it is characterised in that the fitting unit be specifically used in the following manner it One fitting obtain one be used for characterize one day in air quality walk power curve：Minimum value is removed, maximum is removed, is averaged.
- 14. device according to claim 8, it is characterised in that the acquisition module is specifically used for passing through in advance in fresh air The Detection of Air Quality sensor of machine outside installation, the air quality situation of new blower fan outside is obtained in real time.
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| CN111536662A (en) * | 2020-04-25 | 2020-08-14 | 南京酷朗电子有限公司 | Network type fresh air system and regulation and control method based on big data analysis |
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| CN110595018A (en) * | 2019-09-10 | 2019-12-20 | 珠海格力电器股份有限公司 | Fresh air handling unit, air conditioner and air conditioner control method |
| CN110940065A (en) * | 2019-12-12 | 2020-03-31 | 上海同渠工程咨询有限公司 | Environment monitoring method, system and computer storage medium |
| CN111536662A (en) * | 2020-04-25 | 2020-08-14 | 南京酷朗电子有限公司 | Network type fresh air system and regulation and control method based on big data analysis |
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