CN105277343B - Method and device for detecting service life of filter element - Google Patents

Method and device for detecting service life of filter element Download PDF

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Publication number
CN105277343B
CN105277343B CN201410290751.1A CN201410290751A CN105277343B CN 105277343 B CN105277343 B CN 105277343B CN 201410290751 A CN201410290751 A CN 201410290751A CN 105277343 B CN105277343 B CN 105277343B
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filter core
weight
receiving weight
service life
air pollution
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CN105277343A (en
Inventor
李绍斌
谭建明
杜辉
刘煜
詹朝永
刘莹
苏炳珲
符美军
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Abstract

The invention discloses a method and a device for detecting the service life of a filter element. The method for detecting the service life of the filter element comprises the following steps: detecting the containing weight of the filter element, wherein the filter element is used for filtering particles in the air, and the containing weight is the particle containing amount of the filter element; judging whether the accommodating weight of the filter element reaches a preset accommodating weight or not; and if the accommodating weight of the filter element is judged to reach the preset accommodating weight, determining that the service life of the filter element is reached. By the invention, the problem that the service life of the filter element cannot be accurately detected in the related technology is solved.

Description

The method and apparatus for detecting filter core service life
Technical field
The present invention relates to filter core field, in particular to a kind of method and apparatus for detecting filter core service life.
Background technology
Filter core can be used for air filtration, water filtration and oil filtering etc..Wherein, filter core is existing when for air filtration New blower fan can not accurately be detected, controlled and shown corresponding testing result to the true service condition of filter core.This Sample, user can not understand the true service life of filter core, so as to change filter core on time.
For example, for the filter core in household fresh air fan, because user does not have precision instrument, therefore it can not know precisely The true service life of filter core.At this moment, the service life of filter core usually requires to be judged according to the parameter of supplier's offer, or It is to be obtained by the means artificially estimated.
Further, since the air quality of different zones has differences, and air of the same area in different time sections Quality is also different, and same filter core uses in the big region of air quality difference, and its true service life often differs one Individual month even for more time.Obviously, the service life of filter core in different environments is different, if only what is provided according to supplier Parameter judges the service life of filter core according to the experience of user, then can cause larger error.And if made to filter core Error be present with the judgement in life-span, then can cause filter element replacing not in time or change too early.Wherein, if filter element replacing is too late When, then Fresh air handling units can be caused to enter New atmosphere quality decline；If filter element replacing is too early, can increase user using new blower fan into This.
The problem of service life for can not accurately detect filter core in correlation technique, effective solve not yet is proposed at present Scheme.
The content of the invention
It is a primary object of the present invention to provide a kind of method and apparatus for detecting filter core service life, to solve related skill The problem of service life of filter core can not be accurately detected in art.
To achieve these goals, according to an aspect of the invention, there is provided a kind of side for detecting filter core service life Method.This method includes：The receiving weight of filter core is detected, wherein, the particle that filter core was used in air filtering, receiving weight is filter core Particle saturation；Judge whether the receiving weight of filter core reaches default and accommodate weight；And the if it is judged that receiving of filter core Weight reaches default and accommodates weight, it is determined that the usage time of filter core reaches the service life of filter core.
Further, detecting the receiving weight of filter core includes：The air pollution index in target area is obtained, wherein, filter Core is arranged in target area；Detect the air throughput of filter core；And carried out according to air pollution index and air throughput Calculate, obtain the receiving weight of filter core.
Further, the air pollution index in target area is obtained in the following manner：Obtain the mesh of meteorological observatory's issue Mark the air pollution index in region；Or obtain air pollution index in the target area that detects of sensor.
Further, the receiving weight of filter core is detected in the following manner：Obtained every preset time period in target area Air pollution index；Air of the filter core in each preset time period is detected respectively passes through component；Respectively according to each default The air of air pollution index and filter core in period is calculated by component, obtains filter core in each preset time period Partial volume receive weight；Weight of being received to each partial volume carries out accumulation summation, obtains total receiving weight of filter core；And by the total of filter core Accommodate receiving weight of the weight as filter core.
Further, after total receiving weight of filter core is obtained, this method also includes：Judge filter core with the presence or absence of initial Accommodate weight；And if it is judged that filter core has initial receiving weight, then the initial weight that accommodates of basis is entered to total receiving weight Row amendment, obtain it is revised it is total accommodate weight, wherein, obtain it is revised it is total accommodate weight after, will it is revised always Accommodate receiving weight of the weight as filter core.
Further, filter core includes first order filter core and second level filter core, and first order filter core is arranged on second level filter Before core, the receiving weight of first order filter core is detected in the following manner：Obtain the first air pollution index in target area With the second air pollution index, wherein, the first air pollution index is corresponding with first order filter core, the second air pollution index with Second level filter core is corresponding；Obtain the filter efficiency of the first order filter core pair particle corresponding with the second air pollution index；Inspection Survey the air throughput of first order filter core；And according to the first air pollution index, the second air pollution index, first order filter core Air throughput and filter efficiency calculated, obtain the receiving weight of first order filter core.
Further, before whether the receiving weight for judging filter core reaches default receiving weight, this method also includes：Sentence Disconnected filter core whether there is leakage situation；If it is judged that filter core has leakage situation, then the slip of filter core is obtained；And according to Receiving weight of the slip to filter core is modified, and obtains revised receiving weight, wherein, weighed obtaining revised accommodate After weight, judge whether revised receiving weight reaches default and accommodate weight；And if it is judged that revised accommodate power Weigh to default receiving weight, it is determined that the usage time of filter core reaches the service life of filter core.
Further, receiving weight is preset to determine in the following manner：Detect the access times of filter core；Judge making for filter core Whether it is equal to 1 with number；If it is judged that the access times of filter core are not equal to 1, then the use decline coefficient of filter core is obtained；Obtain Original default receiving weight；Determine to work as according to the access times of filter core, using decline coefficient and original default receiving weight Preceding receiving weight；And accommodate weight using current receiving weight as default.
To achieve these goals, according to another aspect of the present invention, there is provided a kind of dress for detecting filter core service life Put.The device includes：Detection unit, for detecting the receiving weight of filter core, wherein, the particle that filter core was used in air filtering, Accommodate the particle saturation that weight is filter core；First judging unit, for judging whether the receiving weight of filter core reaches default appearance Receive weight；And first determining unit, for if it is judged that the receiving weight of filter core, which reaches default, accommodates weight, it is determined that filter The usage time of core reaches the service life of filter core.
Further, detection unit includes：Acquisition module, for obtaining the air pollution index in target area, wherein, Filter core is arranged in target area；Detection module, for detecting the air throughput of filter core；And computing module, for basis Air pollution index and air throughput are calculated, and obtain the receiving weight of filter core.
Further, detection unit is additionally operable to obtain the air pollution index in target area in the following manner：Obtain Air pollution index in the target area of meteorological observatory's issue；Or the air obtained in the target area that sensor detects is dirty Staining index.
Further, detection unit includes：Acquisition module is additionally operable to obtain the sky in target area every preset time period Gas pollution index；Detection module, which is additionally operable to detect air of the filter core in each preset time period respectively, passes through component；Calculate mould Block is additionally operable to be calculated by component according to the air pollution index in each preset time period and the air of filter core, is filtered Partial volume of the core in each preset time period receives weight；Summation module, accumulation summation is carried out for receiving weight to each partial volume, is obtained To total receiving weight of filter core；And determining module, for the receiving weight using total receiving weight of filter core as filter core.
Further, detection unit also includes：Judge module, for after total receiving weight of filter core is obtained, judging Filter core accommodates weight with the presence or absence of initial；And correcting module, for judge filter core exist it is initial accommodate weight when, according to Initially accommodate weight to be modified total weight that accommodates, revised total receiving weight is obtained, wherein it is determined that module is additionally operable to After obtaining revised total receiving weight, the receiving weight using revised total receiving weight as filter core.
Further, filter core includes first order filter core and second level filter core, and first order filter core is arranged on second level filter Before core, detection unit is used for the receiving weight for detecting first order filter core in the following manner：Obtain first in target area Air pollution index and the second air pollution index, wherein, the first air pollution index is corresponding with first order filter core, and second is empty Gas pollution index is corresponding with second level filter core；Obtain the first order filter core pair particle corresponding with the second air pollution index Filter efficiency；Detect the air throughput of first order filter core；And referred to according to the first air pollution index, the second air pollution Number, the air throughput of first order filter core and filter efficiency are calculated, and obtain the receiving weight of first order filter core.
Further, the device of the detection filter core service life also includes：Second judging unit, for judging filter core Accommodate whether weight reaches before presetting receiving weight, judge that filter core whether there is leakage situation；Acquiring unit, for judging When going out filter core and leakage situation be present, the slip of filter core is obtained；And amending unit, for according to receiving of the slip to filter core Weight is modified, and obtains revised receiving weight, wherein, the first judging unit is additionally operable to obtaining revised receiving power After weight, judge whether revised receiving weight reaches default and accommodate weight；And first determining unit be additionally operable to judging Go out revised receiving weight and reach default when accommodating weight, determine that the usage time of filter core reaches the service life of filter core.
Further, the device of the detection filter core service life also includes：Second determining unit, the second determining unit are used for Default receiving weight is determined in the following manner：Detect the access times of filter core；Judge whether the access times of filter core are equal to 1； If it is judged that the access times of filter core are not equal to 1, then the use decline coefficient of filter core is obtained；Obtain original default receiving power Weight；Current receiving weight is determined according to the access times of filter core, using decline coefficient and original default receiving weight；And Weight is accommodated using current receiving weight as default.
By the present invention, using the receiving weight of detection filter core, wherein, the particle that filter core was used in air filtering, accommodate Weight is the particle saturation of filter core；Judge whether the receiving weight of filter core reaches default and accommodate weight；And if it is judged that The receiving weight of filter core reaches default and accommodates weight, it is determined that the usage time of filter core reaches the service life of filter core, solves The problem of service life of filter core can not be accurately detected in correlation technique, and then the service life of accurate detection filter core is simultaneously The effect of the filter core of service life has been arrived in punctual processing.
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 schematic diagram of the device of detection filter core service life according to embodiments of the present invention；
Fig. 2 is the schematic diagram of the device of another detection filter core service life according to embodiments of the present invention；
Fig. 3 is the flow chart of the method for detection filter core service life according to embodiments of the present invention；And
Fig. 4 is the flow chart of the method for another detection filter core service life according to embodiments of the present invention.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In order that those skilled in the art is better understood from the present invention program, below in conjunction with the embodiment of the present invention Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, in ordinary skill Personnel do not make the every other embodiment obtained under the premise of creative work, should all belong to the protection model of the present invention Enclose.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, " Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or Order beyond those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover Cover non-exclusive include.
According to an embodiment of the invention, there is provided a kind of device for detecting filter core service life, the detection filter core use the longevity The device of life is used to accurately detect the service life whether current usage time of filter core has reached the filter core.
It should be noted that in the present invention, filter core can be air filtering core, it can be used for various in air filtering Particle.Wherein, the particle in air is air pollutants, and the content of particle different in air can be used for different skies Gas pollution index represents.In addition, the filter core in the present invention may apply in different scenes, for example, it can be applied On new blower fan.Below by taking the filter core on new blower fan as an example, the present invention will be described in detail.
Fig. 1 is the schematic diagram of the device of detection filter core service life according to embodiments of the present invention.
As shown in figure 1, the device includes：Detection unit 20, the first judging unit 40 and the first determining unit 60.
Detection unit 20 can be used for the receiving weight for detecting filter core, wherein, the particle that filter core was used in air filtering, hold Weight of receiving is the particle saturation of filter core.
Wherein, the particle that filter core can be used in air filtering, the function of the filter core of different size can be different, and not The particle without specification that the filter core of same specification can be crossed in air filtering.The particle of different size can be by different in air Air pollution index carries out difference mark sign.Accommodate the particle saturation that weight can be filter core, i.e. it can be carried by filter core The particle being filtered quantity or quality.The receiving weight of detection filter core can be that detection current time filter core is carried The particle being filtered quality.For example, the quality for the particle that current time filter core has accommodated can be detected.
First judging unit 40 can be used for judging whether the receiving weight of filter core reaches default and accommodate weight.
The default weight that accommodates can be preset by algorithm, and the default weight that accommodates can be that filter core can accommodate particle The maximum of quantity or quality.It can judge working as filter core to judge whether the receiving weight of filter core reaches the default weight that accommodates It is preceding to accommodate whether weight reaches the maximum that default receiving weight filter core accommodate amounts of particles or quality.
Wherein, if it is determined that the current receiving weight of filter core reach it is default accommodate weight filter core can accommodate amounts of particles or The maximum of quality, then show to have reached its service life by the end of current time, the usage time of filter core.If it is determined that filter The current receiving weight of core, which is not up to the default weight filter core that accommodates, can accommodate the maximum of amounts of particles or quality, then shows to cut Only its service life is also not reaching to current time, the usage time of filter core.
First determining unit 60 can be used for if it is judged that the receiving weight of filter core, which reaches default, accommodates weight, it is determined that The usage time of filter core reaches the service life of filter core.
By taking the filter core on new blower fan as an example, if the usage time of the filter core has reached its service life, new blower fan User can be prompted to handle the filter core for having reached service life.Wherein it is possible in the following manner to having reached The filter core of service life is handled：
Mode one, it is brand-new filter core by the filter element replacing for having reached service life.It should be noted that can be new Reset key is set on the unit of blower fan, if being brand-new filter core by filter element replacing, the reset key can be used for soft Default receiving weight set by part program is resetted.
Mode two, the filter core for having reached service life is carried out the processing such as to clean, and reuse the filter core after cleaning. It should be noted that if filter core carried out into cleaning treatment, and new blower fan reuses to cleaning filtration core, then Software program can according to the use for the filter core being recycled fail coefficient, (that is, the filter core is current access times at present Which time is recycled) original default receiving weight is modified, obtain current default receiving weight.So, when When whether the usage time of detection filter core reaches its service life again, it can be determined that whether the receiving weight of filter core reaches current Default receiving weight.
By the embodiment of the present invention, it can accurately detect whether the current usage time of filter core has reached its use Life-span, and when the usage time of filter core reaches its service life, user can be reminded to change filter core on time, so as to keep away Exempt from filter core due to change too early and caused by the wasting of resources and increase the use cost of new blower fan, at the same time it can also avoid filtering Core causes the decline of its air quality supplied too late by changing, and has reached the service life and standard of accurate detection filter core When processing arrived service life filter core effect.
Fig. 2 is the schematic diagram of the device of another detection filter core service life according to embodiments of the present invention.
As shown in Fig. 2 the embodiment can be as the preferred embodiment of embodiment illustrated in fig. 1, the detection of the embodiment The device of filter core service life includes detection unit 20, the first judging unit 40 and the first determining unit 60 of first embodiment, And detection unit 20 includes acquisition module 202, detection module 204 and computing module 206.
The effect of first judging unit 40 and the first determining unit 60 is identical with first embodiment, no longer superfluous herein State.
Acquisition module 202 can be used for obtaining the air pollution index in target area, wherein, filter core is arranged on target area In domain.
Wherein, filter core can be arranged in target area.Specifically, the mesh can be arranged on using the new blower fan of the filter core Mark in region.Air pollution index can be corresponding with the filtering function of filter core, for example, the ε mg/m in air pollution index3Can To represent the concentration corresponding to default specification particle that filter core can filter.Wherein, the specification of particle can pass through the horizontal stroke of particle The physical quantitys such as area of section are weighed, also, in the ideal case, run into this in the particle of the default specification corresponding with filter core During filter core, the filter core can filter out its whole, so as to which the particle of the default specification can all carry and (e.g., fall) filter On core.
It should be noted that the air pollution index in target area can be obtained in the following manner：
Mode one, in the case of the equipment networking set by filter core, for example, being provided with the fresh air interconnection plane of filter core In the case of, local (i.e. target area) air pollution index of meteorological observatory issue can be read.Wherein, air pollution index It can be used to indicate that particle or gas concentration in air.
Mode two, in the case that no matter whether the equipment set by filter core network, for example, no matter being provided with the fresh air of filter core In the case that whether machine networks, it can be detected by the air pollution index detection means that new blower fan unit carries near filter core Air pollution index.For example, new blower fan unit can detect sky by the sensor of the detection air pollution index carried Gas pollution index.
Wherein, when pass-through mode one obtains the air pollution index in target area, it can reach convenient, fast, save The effect of cost；, not only can not be by the shadow of network environment when pass-through mode two obtains the air pollution index in target area Ring, and due to the air pollution index near filter core can be directly detected, therefore the positioning to target area is more accurate, inspection The air pollution index measured is actual value, more accurately.
Detection module 204 can be used for the air throughput for detecting filter core.
Air throughput can be by the flow of the fresh air of filter core, its can be fresh air flow velocity and fresh air in filter core Currency function, for example, Q=f (b, N), wherein, Q can represent air throughput, and its unit can be m3, b can be with The flow velocity of fresh air is represented, its unit can be m3/ h, N can represent currency of the fresh air in filter core, and its unit can be h.Specifically, Q can be Q=f (b, N)=bN.
Computing module 206 can be used for being calculated according to air pollution index and air throughput, obtain the appearance of filter core Receive weight.
In other words, the receiving weight of filter core can be air pollution index and the function of air throughput, for example, A=f (ε, Q)=f (ε, f (b, N))=ε bN.Wherein, A represents the receiving weight of filter core, and its unit can be mg, and ε, Q, b, N are same respectively It is foregoing, it will not be repeated here.
Because the air quality (i.e. air pollution index) in different target region is distinguishing, therefore in different rings In border, especially in the big target area of air quality difference, the service life of identical filter core is different.And in this hair In bright embodiment, the receiving weight of filter core is determined by using the mode for obtaining the air pollution index in target area, can To avoid the service life caused by the air quality in the environment residing for filter core has differences from judging inaccurate situation.
Preferably, in embodiments of the present invention, detection unit 20 can also include summation module and determining module, wherein, Foregoing acquisition module 202 can be also used for obtaining the air pollution index in target area every preset time period, that is, obtain Module 202 can be used for obtaining multiple air pollution indexs in target area, wherein, it is each in multiple air pollution indexs For the air pollution index in the target area that is obtained every preset time period, in multiple air pollution indexs it is each with it is default Period corresponds.
For example, primary air pollution index, and the air pollution that n-th of N hour gets can be obtained every N hours Index can use εnTo represent, wherein, n is integer, and n=1,2,3 ....Different εnValue can be with identical or different, tool Body, it can be by detecting acquisition, for example, can pass through the foregoing air pollution index obtained in target area in real time Various modes obtain, and will not be repeated here.
Foregoing detection module 204 can be also used for detecting air of the filter core in each preset time period respectively by dividing Amount.Foregoing computing module 206 can be used for being led to according to the air pollution index in each preset time period and the air of filter core Cross component to be calculated, obtain partial volume of the filter core in each preset time period and receive weight.Summation module can be used for each Partial volume receives weight and carries out accumulation summation, obtains total receiving weight of filter core；And determining module can be used for total appearance of filter core Receive receiving weight of the weight as filter core.
Such as：
Partial volume of the filter core in each preset time period receives weight can be by being determined with minor function：
An=f (εn, Qn)=f (εn, f (bn, N))=εnbnN。
Wherein, the partial volume that An can represent in n-th of preset time period of filter core receives weight, and its unit can be mg, εnCan To represent the pollution index of the air obtained in n-th of preset time period, its unit can be mg/m3, bnIt can represent The flow velocity of fresh air in n preset time period, its unit can be m3/ h, wherein, n is integer, and n=1,2,3 ....
Total receiving weight of filter core can be by being determined with minor function：
A=f (An)=Σ An, wherein, n is integer, and n=1,2,3 ....
Wherein, the first judging unit 40 can be also used for after total receiving weight of filter core is obtained, and judge the total of filter core Accommodate whether weight reaches default receiving weight.And first determining unit 60 can be also used for judging total receiving of filter core When weight reaches default receiving weight, determine that the usage time of filter core reaches the service life of filter core.
Because the not only air quality in different target region (i.e. air pollution index) is distinguishing, and same mesh The concentration for marking air pollutants of the region within the different periods can also be different, therefore in different environment, especially It is big in air quality difference and air quality change frequently in target area, the service life of identical filter core is different 's.And in embodiments of the present invention, by using the multiple skies corresponding with multiple target time sections obtained in target area The mode of gas pollution index determines the receiving weight of filter core, can avoid due to the air quality frequency in the environment residing for filter core Service life judges inaccurate situation caused by numerous change.
Preferably, in embodiments of the present invention, detection unit 20 can also include：Judge module and correcting module.
Judge module can be used for after total receiving weight of filter core is obtained, and judge that filter core is weighed with the presence or absence of initial accommodate Weight.
Correcting module can be used for when judging that filter core has initial receiving weight, be held according to the initial weight that accommodates to total Weight of receiving is modified, and obtains revised total receiving weight.
It should be noted that new filter core can filter to air for a long time with the longtime running of new blower fan, directly Untill the service life of the filter screen on filter core terminates, in addition, new blower fan may be shut down in the process of running, for example, in fresh air Machine operation G (G is less than N) hour may shut down, and receiving weight caused by this can be initially to accommodate weight, A0=bG ε0, its In, the initial weight that accommodates can be stored in the memory of new blower fan in new fan parking, so, when new blower fan is restarted, It can be added to as initial value in total receiving weight, so as to be modified to total weight that accommodates, obtain revised total appearance Receive weight.For example, A=f (An)=Σ An, wherein, n is integer, and n=0,1,2,3 ....
Wherein it is determined that module is additionally operable to after revised total receiving weight is obtained, by revised total receiving weight Receiving weight as filter core.
Preferably, in embodiments of the present invention, filter core can include first order filter core and second level filter core, and the first order Filter core is arranged on before the filter core of the second level, and detection unit 20 can be used for the receiving power for detecting first order filter core in the following manner Weight：First, the first air pollution index and the second air pollution index in target area are obtained, wherein, the first air pollution Index is corresponding with first order filter core, and the second air pollution index is corresponding with second level filter core.Then, first order filter core is obtained The filter efficiency of pair particle corresponding with the second air pollution index.Again, the air throughput of first order filter core is detected.So Afterwards, carried out according to the first air pollution index, the second air pollution index, the air throughput of first order filter core and filter efficiency Calculate, obtain the receiving weight of first order filter core.
For example, particle corresponding to the first air pollution index ε is the particle of x specifications, corresponding to the second air pollution index δ Particle is the particle of y specifications, and first order filter core is used to filter the particle of x specifications, and the mistake of its particle to y specifications It can be P% to filter efficiency, then the receiving weight of first order filter core can be by being determined with minor function：B=bN (ε+δ P%), its In, B can represent the receiving weight of first order filter core, and its unit can be mg.B, N, ε, δ and P are no longer superfluous herein with foregoing State.
Also, because the particle of y specifications has been filtered out P% amount by previous stage filter core (i.e. first order filter core), therefore, The receiving weight of second level filter core can be by being determined with minor function：C=bN δ (1-P%), wherein, C can represent that the second level is filtered The receiving weight of core, its unit can be mg.B, N, δ and P will not be repeated here with foregoing.
Preferably, in embodiments of the present invention, the device of the detection filter core service life can also include：Second judges list Member, acquiring unit and amending unit.
Second judging unit can be used for before whether the receiving weight for judging filter core reaches default receiving weight, judge Filter core whether there is leakage situation.
Acquiring unit can be used for the slip for when judging that filter core has leakage situation, obtaining filter core.
Amending unit can be used for being modified according to receiving weight of the slip to filter core, obtains revised accommodate and weighs Weight.
For example, by judging, the slip of first order filter core can be Q%, and the slip of second level filter core can be W%, then it can be modified to by the receiving weight of following function pair first order filter core：B=bN (ε+δ P%) (1-Q%)；And It can be modified to by the receiving weight of following function pair second level filter core：C=bN δ (1-P%) (1-W%)+BQ%.
Wherein, the first judging unit 40 can be also used for after revised receiving weight is obtained, and judge revised Accommodate whether weight reaches default receiving weight.First determining unit 60 can be also used for judging revised receiving weight When reaching default receiving weight, determine that the usage time of filter core reaches the service life of filter core.
Preferably, in embodiments of the present invention, it is single can also to include the second determination for the device of the detection filter core service life Member.Second determining unit can determine default receiving weight in the following manner：
First, the access times of filter core are detected.Specifically, in filter core first in use, can be by the initial value of counter 1 is arranged to, and when reusing the filter core every time, the counting of counter can increase by 1, so, can pass through counter Count value detect the access times of filter core.
Secondly, judge whether the access times of filter core are equal to 1.Wherein, if the access times of filter core are equal to 1, show Filter core is the filter core used first, if the access times of filter core are not equal to 1, shows that filter core has already passed through processing, and Through being reused.If it is judged that the access times of filter core are not equal to 1, then the use decline coefficient of filter core is obtained.Need Bright, the use decline coefficient of different filter core can be different, and using decline coefficient can with the material of filter core, make The correlations such as technique.
Again, original default receiving weight is obtained.
Then, current appearance is determined according to the access times of filter core, using decline coefficient and original default receiving weight Receive weight.Weight is accommodated using current receiving weight as default.
, can be by determining the current appearance of the filter core with minor function for example, if the access times of filter core are not equal to 1 Receive weight：S=S0MZ, wherein, S represents the current receiving weight of filter core, S0The original receiving weight of filter core is represented, M is represented Filter core is using decline coefficient, and Z represents the access times of filter core, and Z is not equal to 1.
It should be noted that if filter core includes multi-stage filter core, attenuation coefficient can be individually set to every one-level filter core Calculated, can also be based on filter core setting identical attenuation coefficient of the access times to two or more grade multiple combinations Calculate.
In each previous embodiment of the present invention, due to the order and filter screen of the various particle filterings when carrying out fresh air filtering Filtering function can be with different, therefore the filter core in new blower fan can include multistage, and its calculation can be according to foregoing Each function analogized.
For example, so that filter core includes 3 grades as an example, wherein, filter cores at different levels are respectively first order filter core, second level filter core and the 3rd Level filter core, then can be calculated per the receiving weight of one-level filter core according to following numerical procedure：
Assuming that：
Receiving weight >=X milligram hours of first order filter core need to change filter core；Receiving weight >=X1 milligrams of second level filter core When need to change filter core；Receiving weight >=X2 milligram hours of third level filter core need to change filter core；The fresh air flow velocity of new blower fan is bm3/ h；The concentration for the particle that first, second and third grade of filter core can filter is ε mg/m in air3、δmg/m3、Θmg/m3, and adopt in real time Sample time interval is N hours, i.e., it is N hours that new blower fan reads outdoor air pollution parameter space every time.First order filter core can It is P%, K% to filter the particle filtration efficiency corresponding to second and third grade of filter core；Second level filter core can filter third level filter core institute Corresponding particle filtration efficiency is L%.
Specifically, (1) reads δ values, ε values, Θ values, now the particle on first order filter core when new fan operation N is small Gross weight (accommodates weight)：B=Σ Bn, Bn=Nb (δ P%+ Θ K%+ ε), n=1,2,3,4 ....Wherein, if B >= Filter core is changed in X1, then prompting；If B ＜ X, perform n=n+1, and perform (1).
Similarly, (2) read δ values, ε values, Θ values, now the particle on the filter core of the second level is total when new fan operation N is small Weight (accommodates weight)：C=Σ Cn, Cn=Nb (Θ L% (1-K%)+δ (1-P%)), n=1,2,3,4 ....Wherein, such as Filter core is changed in fruit C >=X2, then prompting；If C ＜ X2, perform n=n+1, and perform (2).
Similarly, (3) read δ values, ε values, Θ values, now the particle on third level filter core is total when new fan operation N is small Weight (accommodates weight)：D=Σ Dn, Dn=Nb Θ (1-L%) (1-K%), n=1,2,3,4 ....Wherein, if D >= Filter core is changed in X3, then prompting；If D ＜ X3, perform n=n+1, and perform (3).
Also, on the premise of the filter efficiency of filter core is not 100%, if the slip of first order filter core is Q%, second The slip of level filter core is W%, and the slip of third level filter core is E%, then Dn, Cn and Bn can be modified to：
Dn=Nb Θ (1-L%) (1-K%)+BnQ%W%+CnW%；
Cn=Nb (Θ L% (1-K%)+δ (1-P%))+BnQ%；
Bn=Nb (δ P%+ Θ K%+ ε) (1-Q%).
According to an embodiment of the invention, there is provided a kind of method for detecting filter core service life, the detection filter core use the longevity The method of life is used to accurately detect the service life whether current usage time of filter core has reached the filter core.The detection is filtered The method of core service life may operate on computer-processing equipment.It should be noted that what the embodiment of the present invention was provided The method of detection filter core service life can be performed by the device of the detection filter core service life of the embodiment of the present invention, this hair The device of the detection filter core service life of bright embodiment can be used for performing the detection filter core service life of the embodiment of the present invention Method.
Fig. 3 is the flow chart of the method for detection filter core service life according to embodiments of the present invention.
As shown in figure 3, this method includes steps S302 to step S306：
Step S302, detect the receiving weight of filter core.
Wherein, the particle that filter core can be used in air filtering, the function of the filter core of different size can be different, and not The particle without specification that the filter core of same specification can be crossed in air filtering.The particle of different size can be by different in air Air pollution index carries out difference mark sign.Accommodate the particle saturation that weight can be filter core, i.e. it can be carried by filter core The particle being filtered quantity or quality.The receiving weight of detection detection filter core can be detection current time filter core institute The quality of the particle being filtered of carrying.For example, the quality for the particle that current time filter core has accommodated can be detected.
Step S304, judges whether the receiving weight of filter core reaches default and accommodate weight.
The default weight that accommodates can be preset by algorithm, and the default weight that accommodates can be that filter core can accommodate particle The maximum of quantity or quality.It can judge working as filter core to judge whether the receiving weight of filter core reaches the default weight that accommodates It is preceding to accommodate whether weight reaches the maximum that default receiving weight filter core accommodate amounts of particles or quality.
Wherein, if it is determined that the current receiving weight of filter core reach it is default accommodate weight filter core can accommodate amounts of particles or The maximum of quality, then show to have reached its service life by the end of current time, the usage time of filter core.If it is determined that filter The current receiving weight of core, which is not up to the default weight filter core that accommodates, can accommodate the maximum of amounts of particles or quality, then shows to cut Only its service life is also not reaching to current time, the usage time of filter core.
Step S306, if it is judged that the receiving weight of filter core, which reaches default, accommodates weight, it is determined that during the use of filter core Between reach the service life of filter core.
By taking the filter core on new blower fan as an example, if the usage time of the filter core has reached its service life, new blower fan User can be prompted to handle the filter core for having reached service life.Wherein it is possible in the following manner to having reached The filter core of service life is handled：
Mode one, it is brand-new filter core by the filter element replacing for having reached service life.It should be noted that can be new Reset key is set on the unit of blower fan, if being brand-new filter core by filter element replacing, the reset key can be used for soft Default receiving weight set by part program is resetted.
Mode two, the filter core for having reached service life is carried out the processing such as to clean, and reuse the filter core after cleaning. It should be noted that if filter core carried out into cleaning treatment, and new blower fan reuses to cleaning filtration core, then Software program can according to the use for the filter core being recycled fail coefficient, (that is, the filter core is current access times at present Which time is recycled) original default receiving weight is modified, obtain current default receiving weight.So, when When whether the usage time of detection filter core reaches its service life again, it can be determined that whether the receiving weight of filter core reaches current Default receiving weight.
By the embodiment of the present invention, it can accurately detect whether the current usage time of filter core has reached its use Life-span, and when the usage time of filter core reaches its service life, user can be reminded to change filter core on time, so as to keep away Exempt from filter core due to change too early and caused by the wasting of resources and increase the use cost of new blower fan, at the same time it can also avoid filtering Core causes the decline of its air quality supplied too late by changing, and has reached the service life and standard of accurate detection filter core When processing arrived service life filter core effect.
Fig. 4 is the flow chart of the method for another detection filter core service life according to embodiments of the present invention.
As shown in figure 4, the method for the detection filter core service life includes steps S402 to step S410, the implementation Example can be as the preferred embodiment of embodiment illustrated in fig. 3.
Step S402, obtain the air pollution index in target area.
Wherein, filter core can be arranged in target area.Specifically, the mesh can be arranged on using the new blower fan of the filter core Mark in region.Air pollution index can be corresponding with the filtering function of filter core, for example, the ε mg/m in air pollution index3Can To represent the concentration corresponding to default specification particle that filter core can filter.Wherein, the specification of particle can pass through the horizontal stroke of particle The physical quantitys such as area of section are weighed, also, in the ideal case, run into this in the particle of the default specification corresponding with filter core During filter core, the filter core can filter out its whole, so as to which the particle of the default specification can all carry and (e.g., fall) filter On core.
It should be noted that the air pollution index in target area can be obtained in the following manner：
Mode one, in the case of the equipment networking set by filter core, for example, being provided with the fresh air interconnection plane of filter core In the case of, local (i.e. target area) air pollution index of meteorological observatory issue can be read.Wherein, air pollution index It can be used to indicate that particle or gas concentration in air.
Mode two, in the case that no matter whether the equipment set by filter core network, for example, no matter being provided with the fresh air of filter core In the case that whether machine networks, it can be detected by the air pollution index detection means that new blower fan unit carries near filter core Air pollution index.For example, new blower fan unit can detect sky by the sensor of the detection air pollution index carried Gas pollution index.
Wherein, when pass-through mode one obtains the air pollution index in target area, it can reach convenient, fast, save The effect of cost；, not only can not be by the shadow of network environment when pass-through mode two obtains the air pollution index in target area Ring, and due to the air pollution index near filter core can be directly detected, therefore the positioning to target area is more accurate, inspection The air pollution index measured is actual value, more accurately.
Step S404, detect the air throughput of filter core.
Air throughput can be by the flow of the fresh air of filter core, its can be fresh air flow velocity and fresh air in filter core Currency function, for example, Q=f (b, N), wherein, Q can represent air throughput, and its unit can be m3, b can be with The flow velocity of fresh air is represented, its unit can be m3/ h, N can represent currency of the fresh air in filter core, and its unit can be h.Specifically, Q can be Q=f (b, N)=bN.
Step S406, calculated according to air pollution index and air throughput, obtain the receiving weight of filter core.
In other words, the receiving weight of filter core can be air pollution index and the function of air throughput, for example, A=f (ε, Q)=f (ε, f (b, N))=ε bN.Wherein, A represents the receiving weight of filter core, and its unit can be mg, and ε, Q, b, N are same respectively It is foregoing, it will not be repeated here.
Step S408 to step S410, the step S304 with embodiment illustrated in fig. 3 will not be repeated here to step S306.
Because the air quality (i.e. air pollution index) in different target region is distinguishing, therefore in different rings In border, especially in the big target area of air quality difference, the service life of identical filter core is different.And in this hair In bright embodiment, the receiving weight of filter core is determined by using the mode for obtaining the air pollution index in target area, can To avoid the service life caused by the air quality in the environment residing for filter core has differences from judging inaccurate situation.
Preferably, in embodiments of the present invention, the receiving weight of filter core can be detected in the following manner：
S2, the air pollution index in target area is obtained every preset time period, i.e. obtain multiple in target area Air pollution index.Wherein, in each target area to be obtained every preset time period in multiple air pollution indexs Air pollution index, each and preset time period in multiple air pollution indexs correspond.
For example, primary air pollution index, and the air pollution that n-th of N hour gets can be obtained every N hours Index can use εnTo represent, wherein, n is integer, and n=1,2,3 ....Different εnValue can be with identical or different, tool Body, it can be by detecting acquisition, for example, can pass through the foregoing air pollution index obtained in target area in real time Various modes obtain, and will not be repeated here.
S4, air of the filter core in each preset time period is detected respectively and passes through component.
S6, calculated, obtained by component according to the air pollution index in each preset time period and the air of filter core Weight is received to partial volume of the filter core in each preset time period.
S8, weight of being received to each partial volume carry out accumulation summation, obtain total receiving weight of filter core.
S10, the receiving weight using total receiving weight of filter core as filter core.
Such as：
Partial volume of the filter core in each preset time period receives weight can be by being determined with minor function：
An=f (εn, Qn)=f (εn, f (bn, N))=εnbnN。
Wherein, the partial volume that An can represent in n-th of preset time period of filter core receives weight, and its unit can be mg, εnCan To represent the pollution index of the air obtained in n-th of preset time period, its unit can be mg/m3, bnIt can represent The flow velocity of fresh air in n preset time period, its unit can be m3/ h, wherein, n is integer, and n=1,2,3 ....
Total receiving weight of filter core can be by being determined with minor function：
A=f (An)=Σ An, wherein, n is integer, and n=1,2,3 ....
Wherein, after total receiving weight of filter core is obtained, step S408 can be that the total receiving weight for judging filter core is It is no to reach default receiving weight.Step S410 can be if it is judged that total receiving weight of filter core, which reaches default, accommodates weight, Then determine that the usage time of filter core reaches the service life of filter core.
Because the not only air quality in different target region (i.e. air pollution index) is distinguishing, and same mesh The concentration for marking air pollutants of the region within the different periods can also be different, therefore in different environment, especially It is big in air quality difference and air quality change frequently in target area, the service life of identical filter core is different 's.And in embodiments of the present invention, by using the multiple skies corresponding with multiple target time sections obtained in target area The mode of gas pollution index determines the receiving weight of filter core, can avoid due to the air quality frequency in the environment residing for filter core Service life judges inaccurate situation caused by numerous change.
Preferably, in embodiments of the present invention, after total receiving weight of filter core is obtained, the receiving weight of filter core is obtained It can also include：
S12, judge that filter core accommodates weight with the presence or absence of initial.
S14, if it is judged that filter core has initial receiving weight, then total receiving weight is carried out according to the initial weight that accommodates Amendment, obtain revised total receiving weight.
It should be noted that new filter core can filter to air for a long time with the longtime running of new blower fan, directly Untill the service life of the filter screen on filter core terminates, in addition, new blower fan may be shut down in the process of running, for example, in fresh air Machine operation G (G is less than N) hour may shut down, and receiving weight caused by this can be initially to accommodate weight, A0=bG ε0, its In, the initial weight that accommodates can be stored in the memory of new blower fan in new fan parking, so, when new blower fan is restarted, It can be added to as initial value in total receiving weight, so as to be modified to total weight that accommodates, obtain revised total appearance Receive weight.For example, A=f (An)=Σ An, wherein, n is integer, and n=0,1,2,3 ....
Wherein, after revised total receiving weight is obtained, using revised total receiving for accommodating weight as filter core Weight.
By the embodiment of the present invention, total receiving weight of filter core is modified using initial value, can be more accurately true Whether its fixed usage time reaches the service life of filter core.
Preferably, in embodiments of the present invention, filter core can include first order filter core and second level filter core, and the first order Filter core can be arranged on before the filter core of the second level, and can detect the receiving weight of first order filter core in the following manner：
S16, the first air pollution index and the second air pollution index in target area are obtained, wherein, the first air Pollution index is corresponding with first order filter core, i.e. the specification of the particle corresponding with the first air pollution index and first order filter core It is corresponding.Second air pollution index is corresponding with second level filter core, i.e. the particle corresponding with the second air pollution index Specification is corresponding with second level filter core.
S18, obtain the filter efficiency of the first order filter core pair particle corresponding with the second air pollution index.
S20, detect the air throughput of first order filter core.
S22, according to the first air pollution index, the second air pollution index, first order filter core air throughput and mistake Filter efficiency is calculated, and obtains the receiving weight of first order filter core.
For example, particle corresponding to the first air pollution index ε is the particle of x specifications, corresponding to the second air pollution index δ Particle is the particle of y specifications, and first order filter core is used to filter the particle of x specifications, and the mistake of its particle to y specifications It can be P% to filter efficiency, then the receiving weight of first order filter core can be by being determined with minor function：B=bN (ε+δ P%), its In, B can represent the receiving weight of first order filter core, and its unit can be mg.B, N, ε, δ and P are no longer superfluous herein with foregoing State.
Also, because the particle of y specifications has been filtered out P% amount by previous stage filter core (i.e. first order filter core), therefore, The receiving weight of second level filter core can be by being determined with minor function：C=bN δ (1-P%), wherein, C can represent that the second level is filtered The receiving weight of core, its unit can be mg.B, N, δ and P will not be repeated here with foregoing.
Preferably, in embodiments of the present invention, before whether the receiving weight for judging filter core reaches default receiving weight, This method can also include：
S24, judge that filter core whether there is leakage situation.
S26, if it is judged that filter core has leakage situation, then obtain the slip of filter core.
S28, it is modified according to receiving weight of the slip to filter core, obtains revised receiving weight.
For example, by judging, the slip of first order filter core can be Q%, and the slip of second level filter core can be W%, then it can be modified to by the receiving weight of following function pair first order filter core：B=bN (ε+δ P%) (1-Q%)；And It can be modified to by the receiving weight of following function pair second level filter core：C=bN δ (1-P%) (1-W%)+BQ%.
Wherein, after revised receiving weight is obtained, step S408 can be to judge that revised receiving weight is It is no to reach default receiving weight.Step S410 can be if it is judged that revised receiving weight reaches default and accommodates weight, Then determine that the usage time of filter core reaches the service life of filter core.
Preferably, in embodiments of the present invention, presetting receiving weight can determine in the following manner：
S30, detect the access times of filter core.Specifically, in filter core first in use, the initial value of counter can be set 1 is set to, and when reusing the filter core every time, the counting of counter can increase by 1, so, can pass through counter Count value detects the access times of filter core.
S32, judges whether the access times of filter core are equal to 1.Wherein, if the access times of filter core are equal to 1, show to filter Core is the filter core used first, if the access times of filter core are not equal to 1, shows that filter core has already passed through processing, and It is reused.
S34, if it is judged that the access times of filter core are not equal to 1, then obtain the use decline coefficient of filter core.Need to illustrate , the use decline coefficient of different filter core can be different, and using decline coefficient can with the material of filter core, make work The correlations such as skill.
S36, obtain original default receiving weight.
S38, current receiving is determined according to the access times of filter core, using decline coefficient and original default receiving weight Weight.
S40, weight is accommodated using current receiving weight as default.
, can be by determining the current appearance of the filter core with minor function for example, if the access times of filter core are not equal to 1 Receive weight：S=S0MZ, wherein, S represents the current receiving weight of filter core, S0The original receiving weight of filter core is represented, M is represented Filter core is using decline coefficient, and Z represents the access times of filter core, and Z is not equal to 1.
It should be noted that if filter core includes multi-stage filter core, attenuation coefficient can be individually set to every one-level filter core Calculated, can also be based on filter core setting identical attenuation coefficient of the access times to two or more grade multiple combinations Calculate.
In each previous embodiment of the present invention, due to the order and filter screen of the various particle filterings when carrying out fresh air filtering Filtering function can be with different, therefore the filter core in new blower fan can include multistage, and its calculation can be according to foregoing Each function analogized.
For example, so that filter core includes 3 grades as an example, wherein, filter cores at different levels are respectively first order filter core, second level filter core and the 3rd Level filter core, then can be calculated per the receiving weight of one-level filter core according to following numerical procedure：
Assuming that：
Receiving weight >=X milligram hours of first order filter core need to change filter core；Receiving weight >=X1 milligrams of second level filter core When need to change filter core；Receiving weight >=X2 milligram hours of third level filter core need to change filter core；The fresh air flow velocity of new blower fan is bm3/ h；The concentration for the particle that first, second and third grade of filter core can filter is ε mg/m in air3、δmg/m3、Θmg/m3, and adopt in real time Sample time interval is N hours, i.e., it is N hours that new blower fan reads outdoor air pollution parameter space every time.First order filter core can It is P%, K% to filter the particle filtration efficiency corresponding to second and third grade of filter core；Second level filter core can filter third level filter core institute Corresponding particle filtration efficiency is L%.
Specifically, (1) reads δ values, ε values, Θ values, now the particle on first order filter core when new fan operation N is small Gross weight (accommodates weight)：B=Σ Bn, Bn=Nb (δ P%+ Θ K%+ ε), n=1,2,3,4 ....Wherein, if B >= Filter core is changed in X1, then prompting；If B ＜ X, perform n=n+1, and perform (1).
Similarly, (2) read δ values, ε values, Θ values, now the particle on the filter core of the second level is total when new fan operation N is small Weight (accommodates weight)：C=Σ Cn, Cn=Nb (Θ L% (1-K%)+δ (1-P%)), n=1,2,3,4 ....Wherein, such as Filter core is changed in fruit C >=X2, then prompting；If C ＜ X2, perform n=n+1, and perform (2).
Similarly, (3) read δ values, ε values, Θ values, now the particle on third level filter core is total when new fan operation N is small Weight (accommodates weight)：D=Σ Dn, Dn=Nb Θ (1-L%) (1-K%), n=1,2,3,4 ....Wherein, if D >= Filter core is changed in X3, then prompting；If D ＜ X3, perform n=n+1, and perform (3).
Also, on the premise of the filter efficiency of filter core is not 100%, if the slip of first order filter core is Q%, second The slip of level filter core is W%, and the slip of third level filter core is E%, then Dn, Cn and Bn can be modified to：
Dn=Nb Θ (1-L%) (1-K%)+BnQ%W%+CnW%；
Cn=Nb (Θ L% (1-K%)+δ (1-P%))+BnQ%；
Bn=Nb (δ P%+ Θ K%+ ε) (1-Q%).
It should be noted that can be in such as one group of computer executable instructions the flow of accompanying drawing illustrates the step of Performed in computer system, although also, show logical order in flow charts, in some cases, can be with not The order being same as herein performs shown or described step.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed Network on, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to they are stored Performed in the storage device by computing device, either they are fabricated to respectively each integrated circuit modules or by they In multiple modules or step be fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific Hardware and software combines.
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 present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (16)

  1. A kind of 1. method for detecting filter core service life, it is characterised in that including：
    The receiving weight of filter core is detected, wherein, the particle that the filter core was used in air filtering, the receiving weight is the filter The particle saturation of core；
    Judge whether the receiving weight of the filter core reaches default and accommodate weight；And
    If it is judged that the receiving weight of the filter core reaches the default receiving weight, it is determined that the usage time of the filter core Reach the service life of the filter core；
    Wherein, after it is determined that the usage time of the filter core reaches the service life of the filter core, methods described also includes：
    Cleaning treatment is carried out to the filter core for reaching the service life, and reuses the cleaned filter core；
    According to the use for the filter core being recycled decline coefficient and current access times, to the default receiving weight It is modified, obtains the current default receiving weight of the filter core；
    When whether the usage time for detecting the filter core again reaches its service life, whether the default receiving weight is judged Reach current default receiving weight.
  2. 2. the method for detection filter core service life according to claim 1, it is characterised in that detect the receiving weight of filter core Including：
    The air pollution index in target area is obtained, wherein, the filter core is arranged in the target area；
    Detect the air throughput of the filter core；And
    Calculated according to the air pollution index and the air throughput, obtain the receiving weight of the filter core.
  3. 3. the method for detection filter core service life according to claim 2, it is characterised in that obtain mesh in the following manner Mark the air pollution index in region：
    Obtain the air pollution index in the target area of meteorological observatory's issue；Or
    Obtain the air pollution index in the target area that sensor detects.
  4. 4. the method for detection filter core service life according to claim 2, it is characterised in that detect institute in the following manner State the receiving weight of filter core：
    The air pollution index in the target area is obtained every preset time period；
    Air of the filter core in each preset time period is detected respectively passes through component；
    Counted respectively according to the air pollution index in each preset time period and the air of the filter core by component Calculate, obtain partial volume of the filter core in each preset time period and receive weight；
    Weight of being received to each partial volume carries out accumulation summation, obtains total receiving weight of the filter core；And
    Receiving weight using total receiving weight of the filter core as the filter core.
  5. 5. the method for detection filter core service life according to claim 4, it is characterised in that obtaining the total of the filter core After accommodating weight, methods described also includes：
    Judge that the filter core accommodates weight with the presence or absence of initial；And
    If it is judged that the filter core has the initial receiving weight, then always accommodated to described according to the initial weight that accommodates Weight is modified, and obtains revised total receiving weight,
    Wherein, after revised total receiving weight is obtained, using revised total weight that accommodates as the filter The receiving weight of core.
  6. 6. the method for detection filter core service life according to claim 1, it is characterised in that the filter core includes the first order Filter core and second level filter core, and the first order filter core is arranged on before the second level filter core, is detected in the following manner The receiving weight of the first order filter core：
    The first air pollution index and the second air pollution index in target area are obtained, wherein, first air pollution Index is corresponding with the first order filter core, and second air pollution index is corresponding with the second level filter core；
    Obtain the filter efficiency of the first order filter core pair particle corresponding with second air pollution index；
    Detect the air throughput of the first order filter core；And
    According to first air pollution index, second air pollution index, the first order filter core air throughput Calculated with the filter efficiency, obtain the receiving weight of the first order filter core.
  7. 7. the method for detection filter core service life according to claim 1, it is characterised in that judging the appearance of the filter core Before whether weight of receiving reaches default receiving weight, methods described also includes：
    Judge that the filter core whether there is leakage situation；
    If it is judged that the filter core has the leakage situation, then the slip of the filter core is obtained；And
    It is modified according to receiving weight of the slip to the filter core, obtains revised receiving weight,
    Wherein, after the revised receiving weight is obtained, judge whether the revised receiving weight reaches described It is default to accommodate weight；And if it is judged that the revised receiving weight reaches the default receiving weight, it is determined that institute The usage time for stating filter core reaches the service life of the filter core.
  8. 8. the method for detection filter core service life according to claim 1, it is characterised in that the default receiving weight is led to Cross in the following manner determination：
    Detect the access times of the filter core；
    Judge whether the access times of the filter core are equal to 1；
    If it is judged that the access times of the filter core are not equal to 1, then the use decline coefficient of the filter core is obtained；
    Obtain original default receiving weight；
    Determined currently according to the access times of the filter core, the use decline coefficient and the original default receiving weight Accommodate weight；And
    Using the current receiving weight as the default receiving weight.
  9. A kind of 9. device for detecting filter core service life, it is characterised in that including：
    Detection unit, for detecting the receiving weight of filter core, wherein, the particle that the filter core was used in air filtering, the appearance Weight of receiving is the particle saturation of the filter core；
    First judging unit, whether the receiving weight for judging the filter core, which reaches default, accommodates weight；And
    First determining unit, for if it is judged that the receiving weight of the filter core reaches the default receiving weight, it is determined that The usage time of the filter core reaches the service life of the filter core；
    Wherein, described device is after it is determined that the usage time of the filter core reaches the service life of the filter core, also to reaching The filter core of the service life carries out cleaning treatment, and reuses the cleaned filter core；According to being recycled The filter core use decline coefficient and current access times, the default receiving weight is modified, obtained described The current default receiving weight of filter core；When whether the usage time for detecting the filter core again reaches its service life, judge Whether the default receiving weight reaches current default receiving weight.
  10. 10. the device of detection filter core service life according to claim 9, it is characterised in that the detection unit includes：
    Acquisition module, for obtaining the air pollution index in target area, wherein, the filter core is arranged on the target area It is interior；
    Detection module, for detecting the air throughput of the filter core；And
    Computing module, for being calculated according to the air pollution index and the air throughput, obtain the filter core Accommodate weight.
  11. 11. the device of detection filter core service life according to claim 10, it is characterised in that the detection unit is also used In the air pollution index in acquisition target area in the following manner：
    Obtain the air pollution index in the target area of meteorological observatory's issue；Or
    Obtain the air pollution index in the target area that sensor detects.
  12. 12. the device of detection filter core service life according to claim 10, it is characterised in that the detection unit bag Include：
    The acquisition module is additionally operable to obtain the air pollution index in the target area every preset time period；
    The detection module, which is additionally operable to detect air of the filter core in each preset time period respectively, passes through component；
    The computing module is additionally operable to according to the air pollution index and the air of the filter core in each preset time period Calculated by component, obtain partial volume of the filter core in each preset time period and receive weight；
    Summation module, accumulation summation is carried out for receiving weight to each partial volume, obtains total receiving weight of the filter core；With And
    Determining module, for the receiving weight using total receiving weight of the filter core as the filter core.
  13. 13. the device of detection filter core service life according to claim 12, it is characterised in that the detection unit is also wrapped Include：
    Judge module, for after total receiving weight of the filter core is obtained, judging that the filter core accommodates with the presence or absence of initial Weight；And
    Correcting module, for when judging that the filter core has the initial receiving weight, weight initially to be accommodated according to described Total weight that accommodates is modified, obtains revised total receiving weight,
    Wherein, the determining module is additionally operable to after revised total receiving weight is obtained, will be described revised total Accommodate receiving weight of the weight as the filter core.
  14. 14. the device of detection filter core service life according to claim 9, it is characterised in that the filter core includes first Level filter core and second level filter core, and the first order filter core is arranged on before the second level filter core, and the detection unit is used In the receiving weight for detecting the first order filter core in the following manner：
    The first air pollution index and the second air pollution index in target area are obtained, wherein, first air pollution Index is corresponding with the first order filter core, and second air pollution index is corresponding with the second level filter core；
    Obtain the filter efficiency of the first order filter core pair particle corresponding with second air pollution index；
    Detect the air throughput of the first order filter core；And
    According to first air pollution index, second air pollution index, the first order filter core air throughput Calculated with the filter efficiency, obtain the receiving weight of the first order filter core.
  15. 15. the device of detection filter core service life according to claim 9, it is characterised in that also include：
    Second judging unit, for before whether reaching default receiving weight in the receiving weight for judging the filter core, judging institute State filter core and whether there is leakage situation；
    Acquiring unit, for when judging that the filter core has the leakage situation, obtaining the slip of the filter core；And
    Amending unit, for being modified according to receiving weight of the slip to the filter core, obtain revised receiving Weight,
    Wherein, first judging unit is additionally operable to after the revised receiving weight is obtained, after judging the amendment Receiving weight whether reach the default receiving weight；And first determining unit is additionally operable to judging the amendment When receiving weight afterwards reaches the default receiving weight, determine that the usage time of the filter core reaches the use longevity of the filter core Life.
  16. 16. the device of detection filter core service life according to claim 9, it is characterised in that also determined including second single Member, second determining unit are used to determine the default receiving weight in the following manner：
    Detect the access times of the filter core；
    Judge whether the access times of the filter core are equal to 1；
    If it is judged that the access times of the filter core are not equal to 1, then the use decline coefficient of the filter core is obtained；
    Obtain original default receiving weight；
    Determined currently according to the access times of the filter core, the use decline coefficient and the original default receiving weight Accommodate weight；And
    Using the current receiving weight as the default receiving weight.
CN201410290751.1A 2014-06-24 2014-06-24 Method and device for detecting service life of filter element Active CN105277343B (en)

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CN109034608A (en) * 2018-07-24 2018-12-18 珠海格力电器股份有限公司 Method and device for evaluating service life of filter device, computer equipment and storage medium
CN109342034A (en) * 2018-09-14 2019-02-15 天津大学 A kind of determination method in filtering element for air purifier service life
CN111795485A (en) * 2019-04-03 2020-10-20 群光电能科技股份有限公司 Air-conditioning box control system
CN112169207B (en) * 2020-09-29 2022-04-15 深圳市大雨创新实业有限公司 Automatic air quantity speed regulating method

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