CN105606512A - Method and device for judging service lives of filter screens - Google Patents
Method and device for judging service lives of filter screens Download PDFInfo
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- CN105606512A CN105606512A CN201610024957.9A CN201610024957A CN105606512A CN 105606512 A CN105606512 A CN 105606512A CN 201610024957 A CN201610024957 A CN 201610024957A CN 105606512 A CN105606512 A CN 105606512A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/088—Investigating volume, surface area, size or distribution of pores; Porosimetry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N2015/084—Testing filters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N2015/0866—Sorption
Abstract
An embodiment of the invention discloses a method and a device for judging the service lives of filter screens. By the aid of the method and the device, the technical problem of wastage of existing filter screens due to the fact that users are unscientifically and inaccurately reminded of replacing existing purifiers by the aid of various timers can be solved. The method for judging the service lives of the filter screens in the embodiment of the invention includes acquiring air quality detection parameters and real-time outlet air quantities; determining current dust holding capacity of the filter screens according to the detection parameters and the real-time outlet air quantities and acquiring consumption proportions of the filter screens by means of computing; prompting users to treat the filter screens if requirements of filter screen cleaning threshold values are met by the consumption proportions.
Description
Technical field
The present invention relates to air purifying process field, relate in particular to a kind of method and dress of filter screen life-span judgementPut.
Background technology
Air purifier claims again " air cleaner ", air cleaner, clarifier, refer to can adsorb,Decompose or transform various air pollutants and (generally comprise PM2.5, dust, pollen, peculiar smell, formaldehyde and so onFinishing pollution, bacterium, anaphylactogen etc.), effectively improve the product of air cleanliness, be mainly divided into family expenses,Commercial, industrial, building.
In air purifier, there are multiple different technology and medium, make it provide clean and peace to userFull air. Conventional air purifying process has: adsorption technology, negative (just) ion technology, catalysis skillArt, photocatalyst technology, superstructure light mineralising technology, HEPA high efficiency filter technology, electrostatic precipitation technology etc.;Material technology mainly contains: photocatalyst, active carbon, synthetic fibers, the efficient material of HEAP, anion occurDevice etc. Existing air purifier is adopted as compound more, has adopted multiple purification techniques and material simultaneouslyMedium.
The purification techniques that air purifier uses generally adopts HEPA filter screen to filter, but HEPAFilter screen has service life, after HEPA strainer filtering reaches certain amount, is to change HEPAFilter screen, current clarifier is all to rely on various timers to carry out reminding user to replace, the utmost point is science not, more notAccurately, thus caused the technical problem of the waste of HEPA filter screen.
Summary of the invention
Method and the device of a kind of filter screen life-span judgement that the embodiment of the present invention provides, solved current cleanChanging device is all to rely on various timers to carry out reminding user to replace, and the utmost point is science not, more inaccurate, causesThe technical problem of filter screen waste.
The method of a kind of filter screen life-span judgement that the embodiment of the present invention provides, comprising:
Get the detected parameters and real-time air output of air quality;
Determine according to described detected parameters and described real-time air output the dust containing capacity that filter screen is current, and calculateThe consumption ratio of described filter screen;
Process threshold value if described consumption ratio meets filter screen, carry out filter screen and process prompting.
Alternatively, the detected parameters that gets air quality specifically comprises with air output in real time:
Get the PM10 value detecting by PM10 sensor, and detect by PM2.5 sensorPM2.5 value, with the formolite number detecting by formaldehyde sensor;
Get the blower fan air output of unit interval.
Alternatively, determine according to described detected parameters and described real-time air output the dust containing capacity that filter screen is current,And the consumption ratio that calculates described filter screen specifically comprises:
According to the described blower fan air output of PM2.5 value × unit interval described in the first preset formula × presetPM2.5 absorptiometer calculates the first actual dust containing capacity that PM2.5 is corresponding;
And, according to the described blower fan air output of PM10 value × unit interval described in the second preset formula ×Preset PM10 absorptiometer calculates the second actual dust containing capacity that PM10 is corresponding;
Calculate HEPA filter screen according to the first actual dust containing capacity ÷ filter screen dust containing capacity described in the 3rd preset formulaConsumption ratio;
Calculate just filter screen consumption according to the second actual dust containing capacity ÷ filter screen dust containing capacity described in the 4th preset formulaRatio.
Alternatively, determine according to described detected parameters and described real-time air output the dust containing capacity that filter screen is current,And the consumption ratio that calculates described filter screen specifically comprises:
According to the described blower fan air output × preset formaldehyde of formolite number × unit interval described in the 5th preset formulaValue absorptiometer calculates the charcoal absorption amount that formaldehyde is corresponding;
Calculating active carbon according to the total adsorbance of charcoal absorption amount ÷ active carbon described in the 6th preset formula disappearsLoss-rate example.
Alternatively, if described consumption ratio meets cleaning filter screen threshold value, carry out screen replacing prompting concreteComprise:
Change HEPA filter screen threshold value if described HEPA filter screen consumption ratio meets, carry out HEPA filterNet is changed prompting;
If described just filter screen consumption rate example meets just filter screen cleaning threshold, carry out just filter screen clean prompting.
Alternatively, if described consumption ratio meets cleaning filter screen threshold value, carry out screen replacing prompting concreteComprise:
Change active carbon threshold value if described active carbon consumption ratio meets, carry out active carbon filter screen replacing and carryShow.
Alternatively, the consumption ratio of described filter screen consumes ratio formula (when filter screen real work according to filter screenBetween/the filter screen age limit time) described in * described in the first proportionality coefficient+(actual absorption amount/gross absorption) *The second proportionality coefficient calculates and obtains;
Wherein, described the first proportionality coefficient is 0～100%, and described the second proportionality coefficient is 100%～0, theOne proportionality coefficient and the second proportionality coefficient sum are 1.
The device of a kind of filter screen life-span judgement that the embodiment of the present invention provides, comprising:
Acquiring unit, for getting the detected parameters and real-time air output of air quality;
Computing unit, for determining according to described detected parameters and described real-time air output the appearance that filter screen is currentDust quantity, and calculate the consumption ratio of described filter screen;
Tip element, processes threshold value if meet filter screen for described consumption ratio, carries out filter screen processing and carriesShow.
Alternatively, described acquiring unit specifically comprises:
First obtains subelement, for getting the PM10 value detecting by PM10 sensor, and passes throughThe PM2.5 value that PM2.5 sensor detects, with the formolite number detecting by formaldehyde sensor;
Second obtains subelement, for getting the blower fan air output of unit interval.
Alternatively, described computing unit specifically comprises:
The first computation subunit, for according to the institute of PM2.5 value × unit interval described in the first preset formulaState blower fan air output × preset PM2.5 absorptiometer and calculate the first actual dust containing capacity that PM2.5 is corresponding;
The second computation subunit, for according to the institute of PM10 value × unit interval described in the second preset formulaState blower fan air output × preset PM10 absorptiometer and calculate the second actual dust containing capacity that PM10 is corresponding;
The 3rd computation subunit, for holding according to the first actual dust containing capacity ÷ filter screen described in the 3rd preset formulaDust counter calculates HEPA filter screen and consumes ratio;
The 4th computation subunit, for holding according to the second actual dust containing capacity ÷ filter screen described in the 4th preset formulaDust counter calculates just filter screen consumption rate example.
Alternatively, described computing unit specifically also comprises:
The 5th computation subunit, for according to described in formolite number × unit interval described in the 5th preset formulaBlower fan air output × preset formolite number absorptiometer calculates the charcoal absorption amount that formaldehyde is corresponding;
The 6th computation subunit, for total according to charcoal absorption amount ÷ active carbon described in the 6th preset formulaAdsorbance calculates active carbon and consumes ratio.
Alternatively, Tip element specifically comprises:
The first prompting subelement, if meet and change HEPA filter screen for described HEPA filter screen consumption ratioThreshold value, carries out the prompting of HEPA screen replacing;
The second prompting subelement, if meet just filter screen cleaning threshold for described just filter screen consumption rate example,Carry out just filter screen clean prompting.
Alternatively, it is characterized in that, Tip element specifically comprises:
The 3rd prompting subelement, if meet and change active carbon threshold value for described active carbon consumption ratio,Carry out active carbon filter screen and change prompting.
Alternatively, the consumption ratio of described filter screen consumes ratio formula (when filter screen real work according to filter screenBetween/the filter screen age limit time) described in * described in the first proportionality coefficient+(actual absorption amount/gross absorption) *The second proportionality coefficient calculates and obtains;
Wherein, described the first proportionality coefficient is 0～100%, and described the second proportionality coefficient is 100%～0, theOne proportionality coefficient and the second proportionality coefficient sum are 1.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
Method and the device of a kind of filter screen life-span judgement that the embodiment of the present invention provides, wherein, the filter screen life-spanThe method of judgement comprises: the detected parameters and real-time air output that get air quality; According to detected parametersDetermine with real-time air output the dust containing capacity that filter screen is current, and calculate the consumption ratio of filter screen; If consumption rateExample meets filter screen and processes threshold value, carries out filter screen and processes prompting. In the present embodiment, first by gettingThe detected parameters of air quality and real-time air output, then according to detected parameters and the definite filter of air output in real timeNet current dust containing capacity, and calculate the consumption ratio of filter screen, if last consumption ratio meets filter screen processingThreshold value, carries out filter screen and processes prompting, and having solved current clarifier is all to rely on various timers to carryThe user that wakes up changes, and the utmost point is science not, more inaccurate, and the technical problem of the waste of the filter screen causing.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to realityThe accompanying drawing of executing required use in example or description of the Prior Art is briefly described, apparently, belowAccompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,Do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The stream of an embodiment of the method that a kind of filter screen life-span that Fig. 1 provides for the embodiment of the present invention judgesJourney schematic diagram;
Another embodiment's of the method that a kind of filter screen life-span that Fig. 2 provides for the embodiment of the present invention judgesSchematic flow sheet;
The knot of an embodiment of the method that a kind of filter screen life-span that Fig. 3 provides for the embodiment of the present invention judgesStructure schematic diagram;
Another embodiment's of the method that a kind of filter screen life-span that Fig. 4 provides for the embodiment of the present invention judgesStructural representation.
Detailed description of the invention
Method and the device of a kind of filter screen life-span judgement that the embodiment of the present invention provides, solved current cleanChanging device is all to rely on various timers to carry out reminding user to replace, and the utmost point is science not, more inaccurate, causesThe technical problem of filter screen waste.
For making goal of the invention of the present invention, feature, advantage can be more obvious and understandable, below willIn conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, completeGround is described, and obviously, the embodiments described below are only the present invention's part embodiment, but not allEmbodiment. Based on the embodiment in the present invention, those of ordinary skill in the art are not making creativenessAll other embodiment that obtain under work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, an embodiment of the method for a kind of filter screen life-span judgement that the embodiment of the present invention providesComprise:
101, get the detected parameters and real-time air output of air quality;
In the present embodiment, in the time need to determining whether the filter screen of clarifier needs to change, first need to obtainTo the detected parameters and real-time air output of air quality.
102, determine according to detected parameters and real-time air output the uptake that filter screen is current, and calculate filter screenConsumption ratio;
After the detected parameters that gets air quality and air output in real time, need to according to detected parameters withAir output is determined the uptake that filter screen is current in real time, and calculates the consumption ratio of filter screen.
Process threshold value if 103 consumption ratios meet filter screen, carry out filter screen and process prompting.
When determining according to detected parameters and real-time air output the dust containing capacity that filter screen is current, and calculate filter screenAfter consumption ratio, process threshold value if need consumption ratio to meet filter screen, carry out filter screen and process prompting.
In the present embodiment, first by getting the detected parameters and real-time air output of air quality, thenDetermine according to detected parameters and real-time air output the dust containing capacity that filter screen is current, and calculate the consumption rate of filter screenExample, if last consumption ratio meets cleaning filter screen threshold value, carries out filter screen cleaning prompting, has solved at presentClarifier be all rely on various timers carry out reminding user to replace, the utmost point is science not, more inaccurate, and leadsThe technical problem of the filter screen waste causing.
The process that is the method to the judgement of filter screen life-span is above described in detail, below will be to concrete mistakeJourney is described in detail, and refers to Fig. 2, the side of a kind of filter screen life-span judgement that the embodiment of the present invention providesAnother embodiment of method comprises:
201, get the PM10 value detecting by PM10 sensor, and examine by PM2.5 sensorThe PM2.5 value of surveying, with the formolite number detecting by formaldehyde sensor;
In the present embodiment, in the time need to determining whether the filter screen of clarifier needs to change, first need to obtainTo the PM10 value detecting by PM10 sensor, with the PM2.5 value detecting by PM2.5 sensor,With the formolite number detecting by formaldehyde sensor.
202, get the blower fan air output of unit interval;
When getting the PM10 value detecting by PM10 sensor, and detect by PM2.5 sensorPM2.5 value, after the formolite number detecting by formaldehyde sensor, need to get the unit intervalBlower fan air output.
203, according to the blower fan air output of first preset formula PM2.5 value × unit interval × preset PM2.5Absorptiometer calculates the first actual dust containing capacity that PM2.5 is corresponding;
After step 202 and step 203, need to be according to first preset formula PM2.5 value × unit timeBetween blower fan air output × preset PM2.5 absorptiometer calculate the first actual dust containing capacity that PM2.5 is corresponding.
204, calculate filter core consumption rate according to the actual dust containing capacity ÷ of the 3rd preset formula first filter screen dust containing capacityExample;
When inhaling according to the blower fan air output of first preset formula PM2.5 value × unit interval × preset PM2.5After yield calculates the first actual dust containing capacity that PM2.5 is corresponding, need to be according to the 3rd preset formula firstActual dust containing capacity ÷ filter screen dust containing capacity calculates filter core and consumes ratio.
Change HEPA filter screen threshold value if 205 HEPA filter screen consumption ratios meet, carry out HEPA filterNet is changed prompting;
Consume ratio when calculate filter core according to the actual dust containing capacity ÷ of the 3rd preset formula first filter screen dust containing capacityAfterwards, change HEPA filter screen threshold value if need HEPA filter screen consumption ratio to meet, carry out HEPAScreen replacing prompting.
206, according to the blower fan air output of second preset formula PM10 value × unit interval × preset PM10Absorptiometer calculates the second actual dust containing capacity that PM10 is corresponding;
After step 202 and step 203, need to be according to second preset formula PM10 value × unit timeBetween blower fan air output × preset PM10 absorptiometer calculate the second actual dust containing capacity that PM10 is corresponding.
207, calculate just filter screen consumption according to the actual dust containing capacity ÷ of the 4th preset formula second filter screen dust containing capacityRatio;
When absorbing according to the blower fan air output of second preset formula PM10 value × unit interval × preset PM10After rate calculates the second actual dust containing capacity that PM10 is corresponding, need to be real according to the 4th preset formula secondBorder dust containing capacity ÷ filter screen dust containing capacity calculates just filter screen consumption rate example.
If 208 first filter screen consumption rate examples meet just filter screen cleaning threshold, carry out just filter screen clean prompting;
When calculate just filter screen consumption rate according to the actual dust containing capacity ÷ of the 4th preset formula second filter screen dust containing capacityAfter example, if just filter screen consumption rate example meets just filter screen cleaning threshold, carry out just filter screen clean prompting.
209, inhale according to the blower fan air output of the 5th preset formula formolite number × unit interval × preset formolite numberYield calculates the charcoal absorption amount that formaldehyde is corresponding;
After step 202 and step 203, need to be according to the 5th preset formula formolite number × unit intervalBlower fan air output × preset formolite number absorptiometer calculate the charcoal absorption amount that formaldehyde is corresponding.
210, calculating active carbon according to the total adsorbance of the 6th preset formula charcoal absorption amount ÷ active carbon disappearsLoss-rate example;
When absorbing according to the blower fan air output of the 5th preset formula formolite number × unit interval × preset formolite numberAfter rate calculates the charcoal absorption amount that formaldehyde is corresponding, need to be according to the 6th preset formula charcoal absorptionThe total adsorbance of amount ÷ active carbon calculates active carbon and consumes ratio.
211, active carbon consumption ratio meets replacing active carbon threshold value, carries out active carbon filter screen and changes prompting.
When calculating active carbon consumption according to the total adsorbance of the 6th preset formula charcoal absorption amount ÷ active carbonAfter ratio, active carbon consumption ratio meets changes active carbon threshold value, carries out active carbon filter screen replacing and carriesShow.
Monitor controller, by parameters such as monitoring PM2.5, PM10, can be counted in conjunction with the real-time air quantity of clarifierCalculate more accurate dust amount, just can learn at any time according to the dust containing capacity of HEPA filter screen again with thisThe consume ratio of HEPA filter screen, reaches to set and points out user to change HEPA filter screen service life; MonitoringController, by the monitoring of PARA FORMALDEHYDE PRILLS(91,95) content, coordinates the total adsorbance of real-time air quantity and active carbon just can learn workProperty charcoal filter screen service life state, accurately reminding user to replace; Monitor controller passes through the monitoring to PM10,Just can learn the just use state of filter screen in conjunction with the real-time air quantity of clarifier again, accurately and timely reminding user is cleanPre-filter screen.
The computational methods in PM2.5 filter screen life-span are: the total dust containing capacity=filter screen of the total adsorbance ÷ of substantial activity charcoal disappearsLoss-rate example.
Air quantity × PM2.5 absorptivity of actual dust containing capacity=environment PM2.5 reading × unit interval;
In the time that main frame is connected with detection controller, environment PM2.5 reading is obtained by controller test, and returnsPass to main frame; In the time that main frame works alone with the disconnection of detection controller, main frame can be read with the PM2.5 fixingNumber is estimated actual dust containing capacity.
The computational methods in active carbon filter screen filter screen life-span are: substantial activity charcoal adsorbance ÷ active carbon always adsorbsAmount=active carbon filter screen consumes ratio.
Air quantity × formaldehyde absorption rate of actual adsorbance=environment formaldehyde reading × unit interval;
In the time that main frame is connected with detection controller, environment formaldehyde reading is obtained by controller test, and passbackGive main frame; In the time that main frame works alone with the disconnection of detection controller, main frame can come with the formaldehyde reading of fixingEstimate actual adsorbance. It should be noted that, there is the restriction of 2 years in the active carbon filter screen life-span, actual in mainMachine worked on power and starts to add up, no longer than 2 years.
It should be noted that, the consumption ratio of the filter screen in the present embodiment can be further according to filter screen consumptionRatio formula (filter screen running time/filter screen age limit time) the * the first proportionality coefficient+(actual suctionReceipts amount/gross absorption) * the second proportionality coefficient calculate obtain;
Wherein, the first proportionality coefficient is that the 0～100%, second proportionality coefficient is the 100%～0, first ratio systemNumber is 1 with the second proportionality coefficient sum.
Describe as an example of active carbon filter screen example below.
The restriction life-span of the active carbon filter screen in the present embodiment is 2 years, with the working time of 12 hours every daysEstimating, is 12 hours * 365 days * 2 years=8000 hours;
Total adsorbance that in this example, active carbon filter screen can reach is in the ideal situation 2800mg;
The replacing threshold value of active carbon filter screen is 95%;
The consumption ratio of active carbon filter screen is (∑ working time/8000) * 60%-(∑ adsorbance/2800) so* 40%, wherein 60% and 40% be our empirical value.
In the time that this consumption ratio reaches 95%, air purifier sends active carbon filter screen and changes prompting.
The technical problem solving:
Itself has age limit filter screen, if air quality is sorrow for a long time, although filter screen is very long by oneIn the section time, there is no effective adsorption fouling thing, but along with passage of time, filter screen itself also can be lossy,Therefore revise with the working time of air purifier.
Such as, environmental contaminants are formaldehyde, but PM2.5 is 0 always, air purifier can be always soWork, active carbon filter screen carries out absorption work always, and HEPA filter screen does not filter, but also can damageConsumption.
In the present embodiment, first by getting the detected parameters and real-time air output of air quality, thenDetermine according to detected parameters and real-time air output the dust containing capacity that filter screen is current, and calculate the consumption rate of filter screenExample, if last consumption ratio meets cleaning filter screen threshold value, carries out screen replacing prompting, has solved at presentClarifier be all rely on various timers carry out reminding user to replace, the utmost point is science not, more inaccurate, and leadsThe technical problem of the filter screen waste causing.
Refer to Fig. 3, embodiment of device of a kind of filter screen life-span judgement providing in the embodiment of the present inventionComprise:
Acquiring unit 301, for getting the detected parameters and real-time air output of air quality;
Computing unit 302, for determining according to detected parameters and real-time air output the uptake that filter screen is current,And calculate the consumption ratio of filter screen;
Tip element 303, processes threshold value if meet filter screen for consumption ratio, carries out filter screen and processes prompting.
In the present embodiment, first acquiring unit 301 is by getting the detected parameters of air quality with in real timeAir output, then computing unit 302 determines according to detected parameters and real-time air output the absorption that filter screen is currentMeasure, and calculate the consumption ratio of filter screen, if last Tip element 303 consumption ratios meet filter screen processingThreshold value, carries out filter screen and processes prompting, and having solved current clarifier is all to rely on various timers to carryThe user that wakes up changes, and the utmost point is science not, more inaccurate, and the technical problem of the filter screen causing waste.
The each unit that is the device to the judgement of filter screen life-span is above described in detail, below by antithetical phrase listUnit and extra cell are described in detail, and refer to Fig. 4, a kind of filter screen providing in the embodiment of the present inventionLife-span, another embodiment of device of judgement comprised:
Acquiring unit 401, for getting the detected parameters and real-time air output of air quality;
Acquiring unit 401 specifically comprises:
First obtains subelement 4011, for getting the PM10 value detecting by PM10 sensor,With the PM2.5 value detecting by PM2.5 sensor, with the formolite number detecting by formaldehyde sensor;
Second obtains subelement 4012, for getting the blower fan air output of unit interval.
Computing unit 402, for determining according to detected parameters and real-time air output the dust containing capacity that filter screen is current,And calculate the consumption ratio of filter screen;
Computing unit 402 specifically comprises:
The first computation subunit 4021, for according to the wind of first preset formula PM2.5 value × unit intervalMachine air output × preset PM2.5 absorptiometer calculates the first actual dust containing capacity that PM2.5 is corresponding;
The second computation subunit 4022, for according to the wind of second preset formula PM10 value × unit intervalMachine air output × preset PM10 absorptiometer calculates the second actual dust containing capacity that PM10 is corresponding;
The 3rd computation subunit 4023, for holding according to the actual dust containing capacity ÷ of the 3rd preset formula first filter screenDust counter calculates filter screen and consumes ratio;
The 4th computation subunit 4024, for holding according to the actual dust containing capacity ÷ of the 4th preset formula second filter screenDust counter calculates just filter screen consumption rate example;
The 5th computation subunit 4025, for according to the blower fan of the 5th preset formula formolite number × unit intervalAir output × preset formolite number absorptiometer calculates the charcoal absorption amount that formaldehyde is corresponding;
The 6th computation subunit 4026, for total according to the 6th preset formula charcoal absorption amount ÷ active carbonAdsorbance calculates active carbon and consumes ratio.
Tip element 403, processes threshold value if meet filter screen for consumption ratio, carries out filter screen and processes prompting.
Tip element 403 specifically comprises:
The first prompting subelement 4031, if meet and change HEPA filter screen for HEPA filter screen consumption ratioThreshold value, carries out the prompting of HEPA screen replacing;
The second prompting subelement 4032, if meet just filter screen cleaning threshold for first filter screen consumption rate example,Carry out just filter screen clean prompting.
The 3rd prompting subelement 4033, if meet and change active carbon threshold value for active carbon consumption ratio,Carry out active carbon filter screen and change prompting.
The consumption ratio of filter screen consumes ratio formula (filter screen running time/filter screen life-span limit according to filter screenTime processed) the * the first proportionality coefficient+(actual absorption amount/gross absorption) * the second proportionality coefficient calculate obtain;
Wherein, the first proportionality coefficient is that the 0～100%, second proportionality coefficient is the 100%～0, first ratio systemNumber is 1 with the second proportionality coefficient sum.
In the present embodiment, first acquiring unit 401 is by getting the detected parameters of air quality with in real timeAir output, then computing unit 402 determines according to detected parameters and real-time air output the appearance dirt that filter screen is currentMeasure, and calculate the consumption ratio of filter screen, if last Tip element 403 consumption ratios meet cleaning filter screenThreshold value, carries out filter screen cleaning prompting, and having solved current clarifier is all to rely on various timers to carryThe user that wakes up changes, and the utmost point is science not, more inaccurate, and the technical problem of the filter screen causing waste.
Those skilled in the art can be well understood to, for convenience and simplicity of description, and above-mentioned retouchingThe system of stating, the specific works process of device and unit, can be with reference to the correspondence in preceding method embodimentProcess, does not repeat them here.
In the several embodiment that provide in the application, should be understood that, disclosed system, device andMethod, can realize by another way. For example, device embodiment described above only showsMeaning property, for example, the division of described unit, is only that a kind of logic function is divided, can when actual realizationThere to be other dividing mode, for example multiple unit or assembly can in conjunction with or can be integrated into anotherSystem, or some features can ignore, or do not carry out. Another point, each other shown or discussedCoupling or direct-coupling or communication connection can be by some interfaces, device or the INDIRECT COUPLING of unitOr communication connection, can be electrically, machinery or other form.
The described unit as separating component explanation can or can not be also physically to separate, and doesThe parts that show for unit can be or can not be also physical locations, can be positioned at a place,Or also can be distributed on multiple NEs. Can select according to the actual needs part wherein orPerson realizes whole unit the object of the present embodiment scheme.
In addition, the each functional unit in each embodiment of the present invention can be integrated in a processing unit,Also can be that the independent physics of unit exists, also can be integrated in a list in two or more unitIn unit. Above-mentioned integrated unit both can adopt the form of hardware to realize, and also can adopt software function listThe form of unit realizes.
If described integrated unit is realized and as production marketing independently using the form of SFU software functional unitOr use time, can be stored in a computer read/write memory medium. Based on such understanding, thisThe part that the technical scheme of invention contributes to prior art in essence in other words or this technical schemeAll or part of can embodying with the form of software product, this computer software product is stored in oneIn storage medium, comprise some instructions in order to make a computer equipment (can be personal computer,Server, or the network equipment etc.) carry out all or part of step of method described in each embodiment of the present inventionSuddenly. And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only storage (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), magnetic disc or CDEtc. various media that can be program code stored.
The above, above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit;Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art shouldWork as understanding: its technical scheme that still can record aforementioned each embodiment is modified, or to itMiddle part technical characterictic is equal to replacement; And these amendments or replacement do not make appropriate technical solutionEssence depart from the spirit and scope of various embodiments of the present invention technical schemes.
Claims (14)
1. a method for filter screen life-span judgement, is characterized in that, comprising:
Get the detected parameters and real-time air output of air quality;
Determine according to described detected parameters and described real-time air output the uptake that filter screen is current, and calculateThe consumption ratio of described filter screen;
Process threshold value if described consumption ratio meets filter screen, carry out filter screen and process prompting.
2. the method for filter screen life-span judgement according to claim 1, is characterized in that, gets skyThe detected parameters of makings amount specifically comprises with real-time air output:
Get the PM10 value detecting by PM10 sensor, and detect by PM2.5 sensorPM2.5 value, with the formolite number detecting by formaldehyde sensor;
Get the blower fan air output of unit interval.
3. the method for filter screen life-span judgement according to claim 2, is characterized in that, according to describedDetected parameters and described real-time air output are determined the uptake that filter screen is current, and calculate disappearing of described filter screenLoss-rate example specifically comprises:
According to the described blower fan air output of PM2.5 value × unit interval described in the first preset formula × presetPM2.5 absorptiometer calculates the first actual dust containing capacity that PM2.5 is corresponding;
And, according to the described blower fan air output of PM10 value × unit interval described in the second preset formula ×Preset PM10 absorptiometer calculates the second actual dust containing capacity that PM10 is corresponding;
Calculate HEPA filter screen according to the first actual dust containing capacity ÷ filter screen dust containing capacity described in the 3rd preset formulaConsumption ratio;
Calculate just filter screen consumption according to the second actual dust containing capacity ÷ filter screen dust containing capacity described in the 4th preset formulaRatio.
4. the method for filter screen life-span judgement according to claim 2, is characterized in that, according to describedDetected parameters and described real-time air output are determined the uptake that filter screen is current, and calculate disappearing of described filter screenLoss-rate example specifically comprises:
According to the described blower fan air output × preset formaldehyde of formolite number × unit interval described in the 5th preset formulaValue absorptiometer calculates the charcoal absorption amount that formaldehyde is corresponding;
Calculating active carbon according to the total adsorbance of charcoal absorption amount ÷ active carbon described in the 6th preset formula disappearsLoss-rate example.
5. the method for filter screen life-span according to claim 3 judgement, is characterized in that, if described in disappearLoss-rate example meets cleaning filter screen threshold value, carries out filter screen cleaning prompting and specifically comprises:
Change HEPA filter screen threshold value if described HEPA filter screen consumption ratio meets, carry out HEPA filterNet is changed prompting;
If described just filter screen consumption rate example meets just filter screen cleaning threshold, carry out just filter screen clean prompting.
6. the method for filter screen life-span according to claim 4 judgement, is characterized in that, if described in disappearLoss-rate example meets cleaning filter screen threshold value, carries out filter screen cleaning prompting and specifically comprises:
Change active carbon threshold value if described active carbon consumption ratio meets, carry out active carbon filter screen replacing and carryShow.
7. according to the method for the filter screen life-span judgement described in any one in claim 1 to 6, its featureBe, the consumption ratio of described filter screen consumes ratio formula (filter screen running time/filter screen according to filter screenThe age limit time) the second ratio described in the first proportionality coefficient+(actual absorption amount/gross absorption) * described in *Coefficient calculations is obtained;
Wherein, described the first proportionality coefficient is 0～100%, and described the second proportionality coefficient is 100%～0, theOne proportionality coefficient and the second proportionality coefficient sum are 1.
8. a device for filter screen life-span judgement, is characterized in that, comprising:
Acquiring unit, for getting the detected parameters and real-time air output of air quality;
Computing unit, for determining according to described detected parameters and described real-time air output the suction that filter screen is currentReceipts amount, and calculate the consumption ratio of described filter screen;
Tip element, processes threshold value if meet filter screen for described consumption ratio, carries out filter screen processing and carriesShow.
9. the device of filter screen life-span according to claim 8 judgement, is characterized in that, described in obtainUnit specifically comprises:
First obtains subelement, for getting the PM10 value detecting by PM10 sensor, and passes throughThe PM2.5 value that PM2.5 sensor detects, with the formolite number detecting by formaldehyde sensor;
Second obtains subelement, for getting the blower fan air output of unit interval.
10. the device of filter screen life-span judgement according to claim 9, is characterized in that described meterCalculating unit specifically comprises:
The first computation subunit, for according to the institute of PM2.5 value × unit interval described in the first preset formulaState blower fan air output × preset PM2.5 absorptiometer and calculate the first actual dust containing capacity that PM2.5 is corresponding;
The second computation subunit, for according to the institute of PM10 value × unit interval described in the second preset formulaState blower fan air output × preset PM10 absorptiometer and calculate the second actual dust containing capacity that PM10 is corresponding;
The 3rd computation subunit, for holding according to the first actual dust containing capacity ÷ filter screen described in the 3rd preset formulaDust counter calculates HEPA filter screen and consumes ratio;
The 4th computation subunit, for holding according to the second actual dust containing capacity ÷ filter screen described in the 4th preset formulaDust counter calculates just filter screen consumption rate example.
The device of 11. filter screen life-span judgements according to claim 9, is characterized in that its featureBe, described computing unit specifically also comprises:
The 5th computation subunit, for according to described in formolite number × unit interval described in the 5th preset formulaBlower fan air output × preset formolite number absorptiometer calculates the charcoal absorption amount that formaldehyde is corresponding;
The 6th computation subunit, for total according to charcoal absorption amount ÷ active carbon described in the 6th preset formulaAdsorbance calculates active carbon and consumes ratio.
The device of 12. filter screen life-span judgements according to claim 10, is characterized in that, prompting is singleUnit specifically comprises:
The first prompting subelement, if meet and change HEPA filter screen for described HEPA filter screen consumption ratioThreshold value, carries out the prompting of HEPA screen replacing;
The second prompting subelement, if meet just filter screen cleaning threshold for described just filter screen consumption rate example,Carry out just filter screen clean prompting.
The device of 13. filter screen life-span judgements according to claim 11, is characterized in that its featureBe, Tip element specifically comprises:
The 3rd prompting subelement, if meet and change active carbon threshold value for described active carbon consumption ratio,Carry out active carbon filter screen and change prompting.
14. according to the device of the filter screen life-span judgement described in any one in claim 7 to 13, its spyLevy and be, the consumption ratio of described filter screen consumes the (filter screen running time/filter of ratio formula according to filter screenThe net age limit time) the second ratio described in the first proportionality coefficient+(actual absorption amount/gross absorption) * described in *Example coefficient calculations is obtained;
Wherein, described the first proportionality coefficient is 0～100%, and described the second proportionality coefficient is 100%～0, theOne proportionality coefficient and the second proportionality coefficient sum are 1.
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