CN110321906A - The method and alarm set of strainer for prompting changing air purifier - Google Patents
The method and alarm set of strainer for prompting changing air purifier Download PDFInfo
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- CN110321906A CN110321906A CN201810262968.XA CN201810262968A CN110321906A CN 110321906 A CN110321906 A CN 110321906A CN 201810262968 A CN201810262968 A CN 201810262968A CN 110321906 A CN110321906 A CN 110321906A
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- Prior art keywords
- air purifier
- air
- strainer
- historical data
- history
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/39—Monitoring filter performance
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/23—Clustering techniques
Abstract
The present invention relates to a kind of methods of strainer for prompting changing air purifier, comprising: obtains the historical data about air purifier；Historical data is clustered, to generate the first cluster result；Air index variation based on the first cluster result prediction environment where air purifier before and after air purifier starting；And determine whether strainer meets replacement standard based on the accumulative purification value of predicted air index variation and/or strainer.It can pollute to avoid air secondary, ensure the effect of air cleaning, and can efficiently use strainer, prevent the wasting of resources.
Description
Technical field
The present invention relates to air purifier technical fields, are used for prompting changing air cleaning more specifically to one kind
The method and alarm set of the strainer of device.
Background technique
Air purifier has spread to every household as white domestic appliances, and strainer is the core composition portion of air purifier
Point.When that after a period of use, the substances such as a large amount of dust, bacterium can be assembled on strainer, need to replace in time to guarantee that air is net
Change effect, is otherwise likely to result in the secondary pollution of air.
In the prior art, screen replacing automatic reminding function, air purifier are added for air purifier more and more
Screen replacing warning light can be housed, this warning light be commonly a kind of count-down device or sentence according to strainer sensing data
Whether disconnected strainer meets replacement standard, and used judgment criteria is not intelligent, does not also account for various factors, for example, not
It is related to the influence of air pollution degree.This jejune prompting function can cause false alert to user.
Prompting changing in the case where no replacement is required strainer will reduce strainer service life, and bring the wasting of resources；It is needing
Without prompting changing in the case where replacement strainer, air secondary will be caused to pollute.In timely prompting changing filtering net and improve strainer
Need a kind of balance between service life, and this balance ought to depend on more objective, more fully factor.
Summary of the invention
The purpose of the present invention is to provide a kind of methods of strainer for prompting changing air purifier, can overcome
Above-mentioned various defects in the prior art.
To achieve the above object, it is as follows to provide a kind of technical solution by the present invention:
A method of the strainer for prompting changing air purifier, comprising: a), obtain going through about air purifier
History data；B), historical data is clustered, to generate the first cluster result；C), predicted based on the first cluster result in air
The air index variation of environment where the air purifier of clarifier starting front and back；And d), be based on predicted air index variation
And/or the accumulative purification value of strainer determines whether strainer meets replacement standard.
Preferably, the historical data of air purifier includes at least one in following item: air purifier itself is gone through
History working status parameter and/or history external environment parameters；It is gone through with air purifier with an at least air purifier for model
History working status parameter and/or history external environment parameters；Exist together at least air cleaning of areal with air purifier
The history working status parameter and/or history external environment parameters of device；At least one sky of the Same Scene that exists together with air purifier
The history working status parameter and/or history external environment parameters of gas purifier；And it exists together same work with air purifier
The history working status parameter and/or history external environment parameters of an at least air purifier for mode.
Preferably, working status parameter includes: pure air output ratio；Purify the working time；And wind speed information.
Preferably, outdoor scene environmental parameter includes: the air index before air purifier starting；And air purifier opens
Air index after dynamic.
Preferably, step b) includes pre-treatment step: historical data is normalized.
Preferably, step b) is specifically included: being clustered using Fuzzy C-Means Cluster Algorithm to historical data.
Preferably, step c) is specifically included: predicting air based on the first cluster result using Multiple Linear Regression Function
Index variation.
Preferably, step d) is specifically included: determining the ratio between the accumulative purification value of strainer and maximum purification value；It is based on
Predicted air index variation and ratio determine whether strainer meets replacement standard.
Preferably, replacement standard includes: that ratio is greater than first threshold, and predicted air index variation is much larger than in sky
The actual air index variation of environment where the air purifier of gas purifier starting front and back.
Invention additionally discloses a kind of alarm sets being used cooperatively with air purifier, are used for prompting changing air purifier
Strainer, alarm set includes: historical data acquiring unit, for obtaining the historical data about air purifier；Cluster is single
Member, for being clustered to historical data, to generate the first cluster result；Air exponential forecasting unit, for poly- based on first
The air index variation of class prediction of result environment where air purifier before and after air purifier starting；And reminding unit,
For determining whether strainer meets replacement standard based on the accumulative purification value of predicted air index variation and/or strainer.
Method and alarm set provided in an embodiment of the present invention for prompting changing air purifier strainer, will be various
Factor considers including (especially, the influence of air pollution degree) that Lai Lianhe determines a need for replacement strainer, not only can be with
It avoids air secondary pollution, ensure the effect of air cleaning, and strainer can be efficiently used, prevent the wasting of resources.
Detailed description of the invention
The process that Fig. 1 shows the method for prompting changing air purifier strainer of first embodiment of the invention offer is shown
It is intended to.
Fig. 2 shows the modular structures for the alarm set being used cooperatively with air purifier that second embodiment of the invention provides
Schematic diagram.
Specific embodiment
It is proposed detail, in the following description in order to provide thorough understanding of the present invention.However, the technology of this field
Personnel will clearly know, implementable the embodiment of the present invention without these details.In the present invention, it can carry out
Specific numeric reference, such as " first element ", " second device " etc..But be understood not to must for specific number reference
Its literal sequence must be submitted to, but should be understood that " first element " is different from " second element ".
Detail proposed by the invention be it is exemplary, detail can change, but still fall into the present invention
Spirit and scope within.Term " coupling ", which is defined to indicate that, is directly connected to component or via another component and in succession
It is connected to component.
Below by way of being described with reference to be adapted for carrying out the preferred embodiment of mthods, systems and devices of the invention.Though
Right each embodiment be described for single combine of element, however, it is understood that the present invention include all of disclosed element can
It can combination.Therefore, if one embodiment includes element A, B and C, and second embodiment includes element B and D, then of the invention
Other residue combinations of A, B, C or D should be believed to comprise, even if not disclosing clearly.
As shown in Figure 1, first embodiment of the invention provides a kind of method of strainer for prompting changing air purifier,
Including following each step.
Step S10, the historical data about air purifier is obtained.
It should be noted that " historical data " not only covers the history number of the air purifier of current operation in the present invention
According to further relating to the historical data of other air purifiers related or similar to the air purifier of current operation.
" historical data " may include outside the history working status parameter of air purifier and the history of air purifier
Boundary's environmental parameter.
As an example, the historical data of air purifier may include: the history working condition ginseng of air purifier itself
Several and/or history external environment parameters；Join with air purifier with the history working condition of an at least air purifier for model
Several and/or history external environment parameters；With air purifier exist together areal (such as same city) an at least air it is net
Change the history working status parameter and/or history external environment parameters of device；Same Scene is existed together (for example, quotient with air purifier
Scene, household scene) an at least air purifier history working status parameter and/or history external environment parameters；With
An and at least air for the same operating mode (for example, sleep pattern, automatic mode, manual mode etc.) that exists together with air purifier
The history working status parameter and/or history external environment parameters of clarifier.
In this step, by the communicative couplings with cloud, the processor of the air purifier local of current operation can be with
Various historical datas are obtained from cloud.Under preferable case, the more air purifiers that will acquire the same cell that exists together respective are gone through
History working status parameter and/or history external environment parameters.
As an example, acquired historical data includes following air purifier working status parameter or external environment ginseng
Number:
1) pure air exports ratio CADR value PCADR；
2) the air quality index PM2.5 value P before air purifier is openedoff；
3) working time P is purifiedt；
4) fan speed (Fan Speed) value Pf, pf∈ (1,2,3 ..., n), the total n gear corresponding to fan speed；
5) the air quality index PM2.5 value P after air purifier is openedon。
Data format is referring to table 1:
Step S11, historical data is clustered, to generate the first cluster result.
Specifically, in this step, pre-treatment step is first carried out: historical data is normalized, including is same
Chemotactic processing and nondimensionalization processing, to eliminate influence of the not homometric(al) to subsequent sorting procedure between initial data.Through returning
One change processing, each working status parameter of air purifier or external environment parameters can be normalized to the section of [0,1].
Then, normalised every historical data is clustered using Fuzzy C-Means Cluster Algorithm.
It will be appreciated by those skilled in the art that Fuzzy C-Means Cluster Algorithm (FCM) is a kind of unsupervised sorting algorithm, and
A kind of fuzzy division clustering algorithm flexible advantageously accounts for the determination problem of tradition cluster hard plot.To about air cleaning
Every historical data of device carries out FCM fuzzy clustering, can accurately determine the corresponding multiple cluster results of historical data.With
Other clustering algorithms are compared, and this cluster result more meets the expection of those skilled in the art.
According to FCM, initial division is carried out to the data set of historical data, such as be divided into C class, demarcated with the cluster heart each
The mean place of class, then concentrate each data point to assign data and correspond to all kinds of degrees of membership, with matrix U=[uij] indicate,
uijIndicate the degree of membership of a data point of jth (j=1,2 ..., n) (i=1,2 ..., c) class that belongs to i-th.Wherein, n is data point
Sum, c (2≤c≤n) are the number of class obtained by initial division.Degree of membership should meet following condition:
By FCM algorithm, the cluster heart and degree of membership are constantly updated, so that the error of entire data set and be minimum, FCM
Objective function be exactly all each point degrees of membership multiplied by the sum of the point and the Euclidean distance at center, finally acquire make cluster target
Corresponding Matrix dividing U and cluster centre C when function minimization.Objective function is as follows:
Wherein, n is the number of sample data set, and c is cluster centre number, and m is Weighted Index, dijIt is data point and cluster centre
Euclidean distance.
Step S12, the environment where air purifier before and after air purifier starting is predicted based on the first cluster result
Air index variation.
In step s 12, according to the output clustered in step S11, treating prediction data, to calculate separately the data poly- to C
The respective distance at class center, and choose class c corresponding to minimum rangeiAs class belonging to data to be predicted.
Then, class c will be belonged toiData set training set of the subset as multiple linear regression analysis, it is trained can
Parameters needed for determining multiple linear regression equations.Wherein, belong to class ciData set subset can represent with currently
The one of the air purifier of operation similar (for example, belong to areal, be applied to Same Scene, in same operating mode)
Criticize the respective history working status parameter of multiple air purifiers and/or history external environment parameters.Multiple regression examples of functions
It is as follows:
yppre-on=β0+β1χpCADR+β2χpoff+β3χpt+β4xpf+ε
Wherein, χ pCADR, χ poff, χ pt, χ pfIt is input variable, β0It is as χ pCADR, χ poff, χ pt, χ pfYp when being all zeropre-on's
Value, β1,β2,β3,β4It is yppre-onIt is based respectively on χ pCADR, χ poff, χ pt, χ pfVariable quantity when variation, yppre-onIt is prediction knot
Fruit, ε are a stochastic errors.
According to the fixed multiple linear regression equations of parameter, to where the air purifier after air purifier starts
The air quality index (for example, PM2.5 value) of environment is predicted, and then can calculate (in fact, and prediction) air matter
Volume index change rate:
Ppreimprove=(Poff-Ppre-on)/Poff
Wherein, PoffFor the air quality index before air purifier starting.
On the other hand, air quality index P before being opened according to air purifieroffAnd after air purifier opens work
Air quality index Pon, actual air quality index change rate can be calculated:
Pimprove=(Poff-Pon)/Poff。
Step S13, determine whether strainer meets based on the accumulative purification value of predicted air index variation and/or strainer
Replacement standard.
In this step, come preferably in combination with the accumulative purification value of predicted air index variation and air purifier strainer
Determined.As an example, the ratio between the accumulative purification value of strainer and maximum purification value can be determined, and then pre- based on institute
Air index variation and determined ratio are surveyed to determine whether strainer meets replacement standard.
It will be appreciated by those skilled in the art that air purifier might have multiple strainers, strainer is replaced every time, and strainer adds up
Purification value can be all reset.It is net that air can be obtained according to air purifier runing time, fan speed and strainer inherent parameters
Change the accumulative purification value P for each strainer that device is configuredfilter1,Pfilter2,Pfilter3,…….Then, according to corresponding strainer
Practical maximum purification value Pmax-filter1,Pmax-filter2,Pmax-filter3... ..., it can be evaluated whether the usage degree of each strainer
Pnor-filter1,Pnor-filter2,Pnor-filter3... ..., as an example, it is that strainer adds up between purification value and maximum purification value
Ratio.
A specific embodiment according to the present invention, the replacement standard of strainer include: that above-mentioned calculating ratio is greater than the first threshold
Value, also, predicted air index variation PpreimproveMuch larger than ring where starting front and back air purifier in air purifier
The actual air index variation P in borderimprove。
Under preferable case, the replacement standard of strainer is as follows: first threshold is, for example, 80%, and " being much larger than " indicates Ppreimprove
For PimproveAt least 2 times.
The method of the prompting changing air purifier strainer of above-mentioned first embodiment, can timely prompting changing filtering net with
It improves and obtains most reasonable balance between strainer service life, it, can most fully under the premise of ensuring air purification effect
Using strainer, prevent the wasting of resources.
As shown in Fig. 2, second embodiment of the invention provides a kind of alarm set 20 being used cooperatively with air purifier,
Including historical data acquiring unit 201, cluster cell 202, air exponential forecasting unit 203 and reminding unit 210.
Specifically, historical data acquiring unit 201 obtains the historical data about air purifier.Cluster cell 202
Historical data is clustered, to generate the first cluster result.Air exponential forecasting unit 203 is predicted based on the first cluster result
The air index variation of environment where air purifier before and after air purifier starting.Reminding unit 210 is based on predicting sky
The accumulative purification value of gas index variation and/or strainer determines whether strainer meets replacement standard.
Wherein, the output that cluster cell 202 obtains historical data acquiring unit 201 will gather after cluster as input
Class result is supplied to air exponential forecasting unit 203, the prediction of air exponential forecasting unit 203 institute before and after air purifier starting
In the air index variation of environment.
Reminding unit 210 and air exponential forecasting unit 203 are communicatively coupled, and also (it can be specific with strainer administrative unit
For air purifier a separate unit or be integrated with an integrated unit of other function) be communicatively coupled, to obtain strainer
Accumulative purification value.The predicted air index variation that reminding unit 210 is exported based on air exponential forecasting unit 203, strainer
The strainer of administrative unit output adds up purification value to determine whether strainer meets replacement standard.
As an example, the historical data of air purifier uses: the history working status parameter of air purifier itself and
History external environment parameters；With air purifier exist together more air purifiers of same cell history working status parameter and
History external environment parameters.Working status parameter includes pure air output ratio, purification working time and wind speed information.
Outdoor scene environmental parameter includes the air index before air purifier starting and the air index after air purifier starting.
As a further improvement, historical data acquiring unit 201 and cloud are communicatively coupled, corresponding to obtain from cloud
Historical data, and will give in the current working status parameter and/or current outside environmental parameter of air purifier to cloud.
An embodiment according to the present invention provides a kind of computer readable storage medium, and it is executable to be stored thereon with computer
Instruction, these computer executable instructions when executed by the processor, the method that will realize that above-mentioned first embodiment provides.
Another embodiment according to the present invention provides a kind of air purifier comprising the prompting in above-mentioned second embodiment
Device 20.The air purifier can automatically issue the user with prompting, so that user replaces the strainer of air purifier in time.
In some embodiments of the invention, system or at least part of device can be used communication network is connected one
Distributed computing devices are organized to realize, or, being based on " cloud " Lai Shixian.In such systems, multiple computing devices co-operate, with
Service is provided by using its shared resource.
Realization based on " cloud " can provide one or more advantages, comprising: open, flexibility and scalability, can in
Heart management, reliability, scalability, computing resource is optimized, with polymerize and analysis the information across multiple users ability,
The ability of network connectivty is attached and is used for multiple movements or data network operator across multiple geographic areas.
Above description is not lain in and is limited the scope of the invention only in the preferred embodiment of the present invention.Ability
Field technique personnel may make various modifications design, without departing from thought of the invention and subsidiary claim.
Claims (13)
1. a kind of method of the strainer for prompting changing air purifier, comprising:
A), the historical data about the air purifier is obtained；
B), the historical data is clustered, to generate the first cluster result；
C), the environment where the air purifier before and after air purifier starting is predicted based on first cluster result
Air index variation；And
D), determine whether the strainer meets based on the accumulative purification value of predicted air index variation and/or the strainer
Replacement standard.
2. the method according to claim 1, wherein the historical data of the air purifier includes in following item
At least one of:
The history working status parameter and/or history external environment parameters of the air purifier itself；
With the air purifier with the history working status parameter and/or history external world ring of an at least air purifier for model
Border parameter；
Exist together the history working status parameter and/or history of an at least air purifier for areal with the air purifier
External environment parameters；
Exist together the history working status parameter and/or history of an at least air purifier for Same Scene with the air purifier
External environment parameters；And
With the air purifier exist together an at least air purifier for same operating mode history working status parameter and/or
History external environment parameters.
3. according to the method described in claim 2, it is characterized in that, the working status parameter includes:
Pure air exports ratio；Purify the working time；And wind speed information.
4. according to the method described in claim 2, it is characterized in that, the outdoor scene environmental parameter includes:
Air index before the air purifier starting；And the air index after the air purifier starting.
5. the method according to claim 1, wherein step b) includes pre-treatment step:
The historical data is normalized.
6. according to the method described in claim 5, it is characterized in that, step b) is specifically included:
The historical data is clustered using Fuzzy C-Means Cluster Algorithm.
7. the method according to claim 1, wherein step c) is specifically included:
The air index variation is predicted based on first cluster result using Multiple Linear Regression Function.
8. the method according to claim 1, wherein step d) is specifically included:
Determine the ratio between the accumulative purification value of the strainer and maximum purification value；
Determine whether the strainer meets the replacement standard based on predicted air index variation and the ratio.
9. according to the method described in claim 8, it is characterized in that, the replacement standard includes:
The ratio is greater than first threshold, and the predicted air index variation is much larger than and starts in the air purifier
The actual air index variation of environment where the air purifier of front and back.
10. a kind of computer readable storage medium, is stored thereon with computer executable instructions, wherein the computer can be held
Row instruction when executed by the processor, realizes method as claimed in any one of claims 1-9 wherein.
11. a kind of alarm set being used cooperatively with air purifier, for the strainer of air purifier described in prompting changing, institute
Stating alarm set includes:
Historical data acquiring unit, for obtaining the historical data about the air purifier；
Cluster cell, for being clustered to the historical data, to generate the first cluster result；
Air exponential forecasting unit, for described before and after air purifier starting based on first cluster result prediction
The air index variation of environment where air purifier；And
Reminding unit, for determining the filter based on the accumulative purification value of predicted air index variation and/or the strainer
Whether net meets replacement standard.
12. alarm set as claimed in claim 11, which is characterized in that the historical data acquiring unit communicates coupling with cloud
It closes, to obtain corresponding historical data from cloud, and it is by the current working status parameter of the air purifier and/or currently outer
Cloud is sent in boundary's environmental parameter.
13. a kind of air purifier, including the alarm set as described in claim 11 or 12.
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