CN107860695A - Air cleaning facility and the wherein detection method in filter screen life-span, device - Google Patents
Air cleaning facility and the wherein detection method in filter screen life-span, device Download PDFInfo
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- CN107860695A CN107860695A CN201710962433.9A CN201710962433A CN107860695A CN 107860695 A CN107860695 A CN 107860695A CN 201710962433 A CN201710962433 A CN 201710962433A CN 107860695 A CN107860695 A CN 107860695A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 225
- 238000001514 detection method Methods 0.000 title claims abstract description 64
- 238000009423 ventilation Methods 0.000 claims abstract description 57
- 238000009825 accumulation Methods 0.000 claims abstract description 45
- 238000010926 purge Methods 0.000 claims abstract description 45
- 238000001914 filtration Methods 0.000 claims abstract description 36
- 230000008859 change Effects 0.000 claims abstract description 28
- 239000000356 contaminant Substances 0.000 claims abstract description 28
- 238000003860 storage Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000005057 refrigeration Methods 0.000 claims description 6
- 238000000746 purification Methods 0.000 claims description 4
- 238000004590 computer program Methods 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 claims description 2
- 231100000719 pollutant Toxicity 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 19
- 238000003915 air pollution Methods 0.000 description 11
- 230000006870 function Effects 0.000 description 10
- 238000011156 evaluation Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000001186 cumulative effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 238000004887 air purification Methods 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
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- 239000000428 dust Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
- B01D46/0086—Filter condition indicators
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N2015/084—Testing filters
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Abstract
The invention discloses a kind of air cleaning facility and the wherein detection method in filter screen life-span, device, wherein, detection method comprises the following steps：Filter efficiency, the filtering air quantity percentage of filter screen are obtained, and obtains the concentration of target contaminant in air, and obtains the ventilation and run time of air cleaning facility；According to the filter efficiency of filter screen, the concentration of target contaminant, the ventilation of air cleaning facility and run time in air quantity percentage and air are filtered, calculates the accumulation purge amount M of air cleaning facility；CADR is compared in the clean air output that air cleaning facility is calculated according to the accumulation purge amount M of air cleaning facility；Judge whether CADR is less than predetermined threshold value；If CADR is less than predetermined threshold value, prompt message is sent to remind user to change filter screen.The detection method can accurately estimate the actual life of filter screen in air cleaning facility, ensure the using effect of filter screen, be favorably improved the market competitiveness of air cleaning facility.
Description
Technical field
The present invention relates to technical field of air purification, the detection side in filter screen life-span in more particularly to a kind of air cleaning facility
The detection means in filter screen life-span and a kind of air cleaning facility in method, a kind of air cleaning facility.
Background technology
In correlation technique, using the filter screen Life Calculating Methods shown in Fig. 1.As shown in figure 1, air cleaning facility is being started shooting
After operation, its working time length can be recorded automatically, and the numerical value is added up.Per the cycle at regular intervals, can pass through
Whether the relatively cumulative obtained total operation duration of program exceedes preset value, if the obtained total operation duration that adds up be not above it is pre-
If value, then continue cumulative operation duration；If cumulative obtained total operation duration exceedes preset value, user is reminded to change and clearly
Air purifying filter mesh is washed, and after user completes This move, manually or automatically set method, clear by cumulative operation duration
Zero, and restart timing and add up.
However, above-mentioned technology does not consider the running environment of air cleaning facility, that is, say, as shown in Fig. 2 using above-mentioned filter
Net Life Calculating Methods, though air cleaning unit in the serious district work of air pollution, or in air quality fairway
Work, its default filter screen usage time is the same.But the filter screen life-span is really to be purified by the pollution of circulation thing of filter screen
What the accumulative pollutant quality intercepted of amount, i.e. filter screen determined, seriously regional in air pollution, filter screen actual life is shorter, and
Air quality fairway, the actual life of filter screen are longer.If calculating the filter screen life-span according to the method described above, can cause in air
Seriously polluted area, filter screen exceed its actual life but still used, and performance deep fades or even the phenomenon to fail occur；And
In air quality fairway, filter screen, which is not reaching to its actual life, just have been occurred changing and has reminded, and causes the wave in filter screen life-span
Take and unnecessary replacing and cleaning.
Sum it up, filter screen is mainly determined using load by the air ambient factor residing for it in air cleaning facility,
And the above-mentioned filter screen Life Calculating Methods based on usage time are used, local air ambient factor can not be reflected and arrive the filter screen life-span
Calculating among, cause the filter screen life-span to calculate deviation, still waste, change in use or filter screen life-span so as to result in filter screen failure
The problem of excessively frequent.
The content of the invention
It is contemplated that at least solves one of technical problem in above-mentioned technology to a certain extent.Therefore, the present invention
Detection method of one purpose in the filter screen life-span in a kind of air cleaning facility is proposed, this method can accurately estimate that air is net
Change the actual life of filter screen in equipment, ensure the using effect of filter screen, the market for being favorably improved air cleaning facility is competing
Strive power.
Second object of the present invention is to propose a kind of non-transitorycomputer readable storage medium.
Detection means of the third object of the present invention in the filter screen life-span in a kind of air cleaning facility is proposed.
Fourth object of the present invention is to propose a kind of air cleaning facility.
To reach above-mentioned purpose, first aspect present invention embodiment proposes the filter screen life-span in a kind of air cleaning facility
Detection method, comprise the following steps：Filter efficiency, the filtering air quantity percentage of filter screen are obtained, and obtains target stains in air
The concentration of thing, and obtain the ventilation and run time of air cleaning facility；According to the filter efficiency of the filter screen, filtering wind
Measure concentration, the ventilation and run time of the air cleaning facility of target contaminant in percentage and the air, meter
Calculate the accumulation purge amount M of the air cleaning facility；The air is calculated according to the accumulation purge amount M of the air cleaning facility
CADR is compared in the clean air output of cleaning equipment；Judge whether CADR is less than predetermined threshold value；If CADR is less than the default threshold
Value, then prompt message is sent to remind user to change the filter screen.
The detection method in filter screen life-span in air cleaning facility according to embodiments of the present invention, imitated according to the filtering of filter screen
The concentration of target contaminant, the ventilation of air cleaning facility and run time in rate, filtering air quantity percentage and air,
The accumulation purge amount M of air cleaning facility is calculated, and then clean air output is calculated than CADR according to M, it is pre- to be less than in CADR
If during threshold value, user is reminded to change filter screen.Thus, this method can accurate evaluation air cleaning facility under various circumstances, filter
The actual life of net, avoiding the occurrence of air pollution, seriously regional filter screen failure is still using, or air quality fairway,
The problems such as screen replacing is excessively frequent, help to lift the market competitiveness of air cleaning facility.
Further, the present invention proposes a kind of non-transitorycomputer readable storage medium, is stored thereon with computer
Program, the program realize the detection method in filter screen life-span in above-mentioned air cleaning facility when being executed by processor.
Non-transitorycomputer readable storage medium according to embodiments of the present invention, by perform store thereon with it is above-mentioned
Program corresponding to the detection method in filter screen life-span in air cleaning facility, can accurate evaluation air cleaning facility in varying environment
Under, the actual life of filter screen, avoiding the occurrence of air pollution, seriously regional filter screen failure is still using, or air quality is good
Area, the problems such as screen replacing is excessively frequent, help to lift the market competitiveness of air cleaning facility.
To reach above-mentioned purpose, second aspect of the present invention embodiment proposes the filter screen life-span in a kind of air cleaning facility
Detection means, including：First acquisition module, for obtaining filter efficiency, the filtering air quantity percentage of filter screen；Second obtains mould
Block, for obtaining the concentration of target contaminant in air；3rd acquisition module, for obtain air cleaning facility ventilation and
Run time；First computing module, for the filter efficiency according to the filter screen, filtering air quantity percentage and the air
The concentration of middle target contaminant, the ventilation and run time of the air cleaning facility, calculate the air cleaning facility
Accumulate purge amount M；Second computing module, it is net for calculating the air according to the accumulation purge amount M of the air cleaning facility
CADR is compared in the clean air output for changing equipment；Judge module, for judging whether CADR is less than predetermined threshold value；Reminding module, use
In when CADR is less than the predetermined threshold value, sending prompt message to remind user to change the filter screen.
The detection means in filter screen life-span in air cleaning facility according to embodiments of the present invention, pass through the first computing module root
According to the ventilation of the concentration, air cleaning facility of target contaminant in the filter efficiency of filter screen, filtering air quantity percentage and air
Amount and run time, the accumulation purge amount M of air cleaning facility is calculated, and then calculated and cleaned according to M by the second computing module
Air output is than CADR, when CADR is less than predetermined threshold value, to remind user to change filter screen by reminding module.Thus, the dress
Put can accurate evaluation air cleaning facility under various circumstances, the actual life of filter screen, it is tight to avoid the occurrence of air pollution
The problems such as filter screen failure of important place area is still using, or air quality fairway, and screen replacing is excessively frequent, contribute to lifting empty
The market competitiveness of gas cleaning equipment.
Further, the present invention proposes a kind of air cleaning facility, and it is net that the air cleaning facility includes above-mentioned air
Change the detection means in filter screen life-span in equipment.
Air cleaning facility according to embodiments of the present invention, filled using the detection in filter screen life-span in above-mentioned air cleaning facility
Put, can accurate evaluation air cleaning facility under various circumstances, the actual life of filter screen, it is tight to avoid the occurrence of air pollution
The problems such as filter screen failure of important place area is still using, or air quality fairway, and screen replacing is excessively frequent, contribute to lifting certainly
The market competitiveness of body.
Brief description of the drawings
Fig. 1 is the flow chart of the detection method in filter screen life-span in the air cleaning facility in correlation technique；
Fig. 2 is the schematic diagram of problem present in the detection method in filter screen life-span in the air cleaning facility in correlation technique；
Fig. 3 is the flow chart of the detection method in filter screen life-span in the air cleaning facility according to one embodiment of the invention；
Fig. 4 is the flow of the detection method in filter screen life-span in the air cleaning facility according to a specific embodiment of the invention
Figure；
Fig. 5 is the block diagram of the detection means in filter screen life-span in the air cleaning facility according to one embodiment of the invention；
Fig. 6 is the square frame of the detection means in filter screen life-span in the air cleaning facility according to another embodiment of the present invention
Figure；
Fig. 7 is the square frame of the detection means in filter screen life-span in the air cleaning facility according to another embodiment of the invention
Figure；
Fig. 8 is the block diagram according to the air cleaning facility of the embodiment of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Below in conjunction with the accompanying drawings come describe the air cleaning facility of the embodiment of the present invention and wherein the detection method in filter screen life-span,
Device.
Fig. 3 is the flow chart of the detection method in filter screen life-span in the air cleaning facility according to one embodiment of the invention.
As shown in figure 3, the detection method, comprises the following steps：
S101, obtains filter efficiency, the filtering air quantity percentage of filter screen, and obtains the concentration of target contaminant in air,
And obtain the ventilation and run time of air cleaning facility.
Wherein, the filter efficiency of filter screen is a filter efficiency of filter screen, and it can be constant, or variable,
And the variable can change with the change of the accumulation purge amount of air cleaning facility.
It is that the filtering air quantity of filter screen accounts for the percentage of total blast volume to filter air quantity percentage.For air cleaning facility (such as
Air purifier, air-conditioning etc.) for, if all air-flows for flowing into air cleaning facility flow through filter screen, now filter wind
It is 100% to measure percentage；If only fraction passes through filter screen purified treatment, filtering air quantity percentage is the value less than 1.
It should be noted that filtering air quantity percentage may be related to the ventilation of air cleaning facility, it is also possible to is set with purification of air
Standby ventilation is unrelated.
Target contaminant can be dust, PM2.5 etc., and its concentration can pass through corresponding sensor (including gaseous contamination
Thing sensor, solid contaminant sensor etc.) detection obtain.
Air cleaning facility can use gravity-flow ventilation, i.e., without power, rely only on the air inlet of air cleaning facility and go out
The pressure differential in air port realizes ventilation, can also use force ventilation, i.e., realizes and divulge information by power (such as blower fan rotation), Jin Erke
Different ventilation computational methods are selected according to draft type.It is appreciated that the ventilation of air cleaning facility can be constant
It can also be variable.
The run time of air cleaning facility can be after air cleaning facility starts, the actual filtration air of filter screen (or
Exposure is in atmosphere) time, the time can be obtained by timer.
S102, according to the concentration of target contaminant, sky in the filter efficiency of filter screen, filtering air quantity percentage and air
The ventilation and run time of gas cleaning equipment, calculate the accumulation purge amount M of air cleaning facility.
Specifically, the accumulation purge amount M of air cleaning facility can be calculated according to following formula (1)：
Wherein, η is the filter efficiency of filter screen, and ω is the filtering air quantity percentage of filter screen, and λ is target contaminant in air
Concentration, A are the ventilation of air cleaning facility, and T is the run time of air cleaning facility.
S103, the clean air that air cleaning facility is calculated according to the accumulation purge amount M of air cleaning facility export ratio
CADR。
S104, judges whether CADR is less than predetermined threshold value.
Wherein, predetermined threshold value can be default value when air cleaning facility (or filter screen) dispatches from the factory or user
Self-defining value.
S105, if CADR is less than predetermined threshold value, prompt message is sent to remind user to change filter screen.
Specifically, the clean air of the accumulation purge amount M of air cleaning facility and air cleaning facility output than CADR it
Between corresponding relation be present, if M is calculated, purge amount M can be accumulated according to M and default filter screenmaxIt is compared, with
To CADR, such as CADR=(Mmax-M)/Mmax.And then to CADR compared with predetermined threshold value, to judge whether the filter screen life-span reaches
To the limit, i.e., whether need to change filter screen.If CADR is less than predetermined threshold value, judgement needs to change filter screen, can now sent
Prompt message with remind user change filter screen.Wherein, prompt message can pass through fuselage display screen, the remote control of air cleaning facility
The approach such as display screen or cell phone application, is shown to user, to remind user to change or clean in time filter screen.
Alternatively, can prestore air cleaning facility accumulation purge amount M and air cleaning facility clean air it is defeated
Go out than corresponding relation between CADR be present, for being called when calculating.
In some instances, after CADR is calculated, also it can be passed through the fuselage display screen of air cleaning facility, distant
The approach such as device display screen or cell phone application of control, is shown to user, so that user understands the use of filter screen in air cleaning facility in time
Situation.
Further, after filter screen is changed, the accumulation purge amount M zero setting of air cleaning facility can be restarted new
One wheel filter screen life estimation and program circulation.
It should be noted that if user has only been carried out clearly after screen replacing prompting is received to filter screen to be replaced
Wash or be the used filter screen that M is not 0 by screen replacing to be replaced, then after by M zero setting, the filter screen after replacing can be entered
Row detection, to redefine M values, and updates.
The detection method in filter screen life-span in the air cleaning facility, it can accurately estimate that air cleaning facility operates in difference
In the environment of, the actual life of filter screen, avoiding the occurrence of air pollution, seriously regional filter screen failure is still using, or air matter
Fairway is measured, the problems such as screen replacing is excessively frequent, helps to lift the market competitiveness of air cleaning facility.
In one embodiment of the invention, if the filter efficiency of filter screen is variable, and with air cleaning facility work as
Preceding accumulation purge amount m (i.e. the gross mass for the target contaminant that filter screen has currently intercepted) is relevant, then filter screen is obtaining the mistake of filter screen
Before filtering efficiency, the current accumulation purge amount m of air cleaning facility is first obtained, the current accumulation further according to air cleaning facility is net
Change amount m obtains the filter efficiency of filter screen.
Specifically, the relation between the filter efficiency of filter screen and accumulation purge amount, Jin Erke can be obtained beforehand through experiment
The filter efficiency of filter screen is stored in sky with the curve (or segment data corresponding relation or functional relation) of accumulation purge amount change
In the memory module of gas cleaning equipment, for being called when calculating.
In one embodiment of the invention, air cleaning facility can include blower fan, i.e., when air cleaning facility starts,
Force ventilation can be realized by blower fan.When obtaining the ventilation of air cleaning facility, the rotating speed of blower fan is obtained, and then can basis
The rotating speed of blower fan obtains the ventilation of air cleaning facility.
Further, air cleaning facility can include blower fan, wind deflector simultaneously, i.e., can when air cleaning facility starts
Force ventilation is realized by blower fan, ventilation wind direction can be controlled by wind deflector.When obtaining the ventilation of air cleaning facility, obtain
The rotating speed of blower fan and the angle of wind deflector are taken, and then air cleaning facility can be obtained according to the rotating speed of blower fan and the angle of wind deflector
Ventilation.
Further, if air cleaning facility is air conditioner, when obtaining the ventilation of air cleaning facility, also
The operational mode of air cleaning facility is obtained to obtain corresponding mode coefficient according to operational mode, wherein, operational mode includes
One or more in refrigeration mode, heating mode, air supply pattern；And then can according to the rotating speed of blower fan, the angle of wind deflector and
Mode coefficient obtains the ventilation of air cleaning facility.
It should be noted that air cleaning facility can also only include wind deflector, also only there can be different operational modes (such as
Heating mode, refrigeration mode, air supply pattern etc.), also it be able to can also wrapped including having different operational modes while blower fan
There is different operational modes while including wind deflector.
Specifically, A (ξ, α, κ) represents air quantity, and it may be constant, it is also possible to for rotation speed of fan ξ, wind deflector angle [alpha], mould
One in formula coefficient κ three, the function of both or three.If A (ξ, α, κ) is rotation speed of fan ξ, wind deflector angle [alpha], pattern system
One, the function of both or three in number κ threes, then curve (or segmentation that can first by A (ξ, α, κ) with corresponding independent variable change
Data corresponding relation or functional relation) it is stored in the memory module of air cleaning facility, for being called when calculating.
It should be noted that when using air cleaning facility (such as air purifier, air conditioner), its ventilation is sometimes
Relevant with rotation speed of fan ξ, wind deflector angle [alpha], the relation can be reflected by above-mentioned functional relation.In addition, mode coefficient κ reacts
Air cleaning facility is in different operational modes to influence caused by operation air quantity.For example, for air conditioner, refrigeration, heating
Under air supply pattern, ventilation is different, and the difference can be reflected by mode coefficient κ.
Further, filtering air quantity percentage is obtained according to the ventilation of air cleaning facility.
Specifically, the pass between filtering air quantity percentage and the ventilation of air cleaning facility can be obtained beforehand through experiment
System, and then can will filter curve that air quantity percentage changes with the ventilation of air cleaning facility (or segment data is corresponding closes
System or functional relation) it is stored in the memory module of air cleaning facility, for being called when calculating.
In one embodiment of the invention, plasma diffusing W,Mo device is also provided with air cleaning facility, with enhancing
Cation/anion or single cation, anion can be used in air purification effect, the plasma diffusing W,Mo device, can be used from
The influence of sub- release coefficient reflection different ions release device and different ions dropout value (such as corona voltage), plasma diffusing W,Mo system
The relation of number and different ions dropout value can be stored in the memory module of air cleaning facility, for being called when calculating.
Specifically, the plasma diffusing W,Mo coefficient of plasma diffusing W,Mo device can be obtained, and then according to the filter efficiency of filter screen, filtering wind
The concentration of target contaminant, the ventilation of air cleaning facility and plasma diffusing W,Mo coefficient in percentage, and air are measured, is calculated empty
The accumulation purge amount M of gas cleaning equipment.
In one embodiment of the invention, the accumulation purge amount of air cleaning facility can be calculated according to equation below (2)
M：
Wherein, η (m) be filter screen filter efficiency, ω (A) for filtering air quantity percentage, λ be target contaminant concentration, A
(ξ, α, κ) represents the ventilation of air cleaning facility, and ξ is the rotating speed of blower fan, and α is the angle of wind deflector, and κ is mode coefficient, and θ is
Plasma diffusing W,Mo coefficient, T are the run time of air cleaning facility.
In one particular embodiment of the present invention, as shown in figure 4, air cleaning facility after powering, first, obtains filter
The filter efficiency of net, filtering air quantity percentage, obtain the concentration of target contaminant in air, and obtain the logical of air cleaning facility
Air quantity and run time, and obtain plasma diffusing W,Mo coefficient.Then, according to the filter efficiency of filter screen, filtering air quantity percentage, with
And the concentration of target contaminant, the ventilation of air cleaning facility and run time, plasma diffusing W,Mo coefficient in air, pass through above formula
(2) the accumulation purge amount M of air cleaning facility is calculated.And then the relation curve inquired about between the M and CADR to prestore, to obtain
The clean air of air cleaning facility is exported than CADR, and judges whether CADR is less than predetermined threshold value, and is less than in CADR and is preset
During threshold value, prompt message is sent to remind user to change filter screen.After user changes filter screen, by M value zero setting.
To sum up, in air cleaning facility according to embodiments of the present invention the filter screen life-span detection method, according to the mistake of filter screen
Filter the concentration of target contaminant, the ventilation of air cleaning facility and run time in efficiency, filtering air quantity percentage, air,
And plasma diffusing W,Mo coefficient, the accumulation purge amount M of air cleaning facility is calculated, and then clean air output ratio is calculated according to M
CADR, when CADR is less than predetermined threshold value, to remind user to change filter screen.Thus, this method being capable of accurate evaluation purification of air
Under various circumstances, the actual life of filter screen, avoiding the occurrence of air pollution, seriously regional filter screen failure is still using equipment,
Or air quality fairway, the problems such as screen replacing is excessively frequent, help to lift the market competitiveness of air cleaning facility.
Further, the present invention proposes a kind of non-transitorycomputer readable storage medium, is stored thereon with computer
Program, the program realize the detection method in filter screen life-span in above-mentioned air cleaning facility when being executed by processor.
Non-transitorycomputer readable storage medium according to embodiments of the present invention, by perform store thereon with it is above-mentioned
Program corresponding to the detection method in filter screen life-span in air cleaning facility, can accurate evaluation air cleaning facility in varying environment
Under, the actual life of filter screen, avoiding the occurrence of air pollution, seriously regional filter screen failure is still using, or air quality is good
Area, the problems such as screen replacing is excessively frequent, help to lift the market competitiveness of air cleaning facility.
Fig. 5 is the block diagram of the detection means in filter screen life-span in the air cleaning facility according to one embodiment of the invention.
As shown in figure 5, the detection means 100 includes：First acquisition module 10, the second acquisition module 20, the 3rd acquisition module 30, first
Computing module 40, the second computing module 50, judge module 60 and reminding module 70.
Wherein, the first acquisition module 10 is used to obtain the filter efficiency of filter screen, filtering air quantity percentage；Second acquisition module
20 concentration for obtaining target contaminant in air；3rd acquisition module 30 be used for obtain air cleaning facility ventilation and
Run time.First computing module 40 is used for the filter efficiency according to filter screen, filters target dirt in air quantity percentage and air
Concentration, the ventilation of air cleaning facility and the run time of thing are contaminated, calculates the accumulation purge amount M of air cleaning facility.Second
The clean air that computing module 50 is used to calculate air cleaning facility according to the accumulation purge amount M of air cleaning facility exports ratio
CADR.Judge module 60 is used to judge whether CADR is less than predetermined threshold value.Reminding module 70 is used to be less than predetermined threshold value in CADR
When, prompt message is sent to remind user to change filter screen.
In some embodiments of the invention, detection means 100 can also include zero setting module (not shown in Fig. 5).Its
In, zero setting module is used for after filter screen is changed, by the accumulation purge amount M zero setting of air cleaning facility.
It should be noted that if user has only been carried out clearly after screen replacing prompting is received to filter screen to be replaced
Wash or be the used filter screen that M is not 0 by screen replacing to be replaced, then after zero setting module is by M zero setting, can be to replacing after
Filter screen detected, to redefine M values, and update.
In one embodiment of the invention, as shown in fig. 6, detection means 100 can also include the 4th acquisition module 80.
Wherein, the 4th acquisition module 80 is used for the current accumulation purge amount m for obtaining air cleaning facility, and then the first acquisition module 10 can
The filter efficiency of filter screen is obtained according to the current accumulation purge amount m of air cleaning facility.
In one embodiment of the invention, air cleaning facility includes blower fan, wind deflector, and the 3rd acquisition module 30 is specific
For obtaining the rotating speed of blower fan and the angle of wind deflector；Air cleaning facility is obtained according to the angle of the rotating speed of blower fan and wind deflector
Ventilation.
Further, the 3rd acquisition module 30 is specifically additionally operable to obtain the operational mode of air cleaning facility with according to operation
The corresponding mode coefficient of pattern acquiring, wherein, operational mode include refrigeration mode, heating mode, one kind in air supply pattern or
It is a variety of；The ventilation of air cleaning facility is obtained according to the rotating speed of blower fan, the angle of wind deflector and mode coefficient.
In one embodiment of the invention, the second acquisition module 20 is specifically used for the ventilation according to air cleaning facility
Obtain filtering air quantity percentage.
In one embodiment of the invention, in order to improve the clean-up effect of air cleaning facility, on air cleaning facility
It may be provided with plasma diffusing W,Mo device.
In this embodiment, as shown in fig. 7, detection means 100 can also include the 5th acquisition module 90.Wherein, the 5th
Acquisition module 90 is used for the plasma diffusing W,Mo coefficient for obtaining plasma diffusing W,Mo device.
Wherein, the first computing module 40 is according to the filter efficiency of filter screen, filtering air quantity percentage, and target is dirty in air
Concentration, the ventilation of air cleaning facility and the plasma diffusing W,Mo coefficient of thing are contaminated, calculates the accumulation purge amount M of air cleaning facility.
Specifically, the first computing module 40 calculates the accumulation purge amount M of air cleaning facility according to equation below (2)：
Wherein, η (m) be filter screen filter efficiency, ω (A) for filtering air quantity percentage, λ be target contaminant concentration, A
(ξ, α, κ) represents the ventilation of air cleaning facility, and ξ is the rotating speed of blower fan, and α is the angle of wind deflector, and κ is mode coefficient,
For plasma diffusing W,Mo coefficient, T is the run time of air cleaning facility.
It should be noted that in the air cleaning facility of the embodiment of the present invention detection means in filter screen life-span it is other specific
Embodiment can be found in the specific embodiment party of the detection method in filter screen life-span in the air cleaning facility of the above embodiment of the present invention
Formula.
To sum up, in air cleaning facility according to embodiments of the present invention the filter screen life-span detection means, pass through first calculate
Module according to the concentration of target contaminant in the filter efficiency of filter screen, filtering air quantity percentage, air, air cleaning facility it is logical
Air quantity and run time and plasma diffusing W,Mo coefficient, the accumulation purge amount M of air cleaning facility is calculated, and then pass through the second meter
Calculate module and clean air output is calculated than CADR according to M, so that when CADR is less than predetermined threshold value, user is reminded by reminding module
Change filter screen.Thus, the device can accurate evaluation air cleaning facility under various circumstances, the actual life of filter screen,
Avoiding the occurrence of air pollution, seriously regional filter screen failure is still using, or air quality fairway, screen replacing are excessively frequent
The problems such as, help to lift the market competitiveness of air cleaning facility.
Fig. 8 is the block diagram of air cleaning facility according to embodiments of the present invention.As shown in figure 8, the air cleaning facility
1000 include the detection means 100 in filter screen life-span in above-mentioned air cleaning facility.
Air cleaning facility according to embodiments of the present invention, filled using the detection in filter screen life-span in above-mentioned air cleaning facility
Put, can accurate evaluation air cleaning facility under various circumstances, the actual life of filter screen, it is tight to avoid the occurrence of air pollution
The problems such as filter screen failure of important place area is still using, or air quality fairway, and screen replacing is excessively frequent, contribute to lifting certainly
The market competitiveness of body.
In addition, other of air cleaning facility according to the above embodiment of the present invention form and its acted on the skill to this area
It is known for art personnel, to reduce redundancy, does not repeat herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
Close and combine.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
Any process or method described otherwise above description in flow chart or herein is construed as, and represents to include
Module, fragment or the portion of the code of the executable instruction of one or more the step of being used to realize custom logic function or process
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable
Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system including the system of processor or other can be held from instruction
The system of row system, device or equipment instruction fetch and execute instruction) use, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicate, propagate or pass
Defeated program is for instruction execution system, device or equipment or the dress used with reference to these instruction execution systems, device or equipment
Put.The more specifically example (non-exhaustive list) of computer-readable medium includes following：Electricity with one or more wiring
Connecting portion (electronic installation), portable computer diskette box (magnetic device), random access memory (RAM), read-only storage
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium, which can even is that, to print the paper of described program thereon or other are suitable
Medium, because can then enter edlin, interpretation or if necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In embodiment, software that multiple steps or method can be performed in memory and by suitable instruction execution system with storage
Or firmware is realized.Such as, if realized with hardware with another embodiment, following skill well known in the art can be used
Any one of art or their combination are realized：With the logic gates for realizing logic function to data-signal from
Logic circuit is dissipated, the application specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), scene can compile
Journey gate array (FPGA) etc..
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method carries
Suddenly it is that by program the hardware of correlation can be instructed to complete, described program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, can also
That unit is individually physically present, can also two or more units be integrated in a module.Above-mentioned integrated mould
Block can both be realized in the form of hardware, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized in the form of software function module and as independent production marketing or in use, can also be stored in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..Although have been shown and retouch above
Embodiments of the invention are stated, it is to be understood that above-described embodiment is exemplary, it is impossible to be interpreted as the limit to the present invention
System, one of ordinary skill in the art can be changed to above-described embodiment, change, replace and become within the scope of the invention
Type.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (18)
1. the detection method in filter screen life-span in a kind of air cleaning facility, it is characterised in that comprise the following steps：
Filter efficiency, the filtering air quantity percentage of filter screen are obtained, and obtains the concentration of target contaminant in air, and is obtained empty
The ventilation and run time of gas cleaning equipment；
According to the filter efficiency of the filter screen, filter the concentration of target contaminant in air quantity percentage and the air, described
The ventilation and run time of air cleaning facility, calculate the accumulation purge amount M of the air cleaning facility；
The clean air that the air cleaning facility is calculated according to the accumulation purge amount M of the air cleaning facility exports ratio
CADR；
Judge whether CADR is less than predetermined threshold value；
If CADR is less than the predetermined threshold value, prompt message is sent to remind user to change the filter screen.
2. the detection method in filter screen life-span in air cleaning facility as claimed in claim 1, it is characterised in that described in acquisition
Before the filter efficiency of filter screen, the detection method also includes：
Obtain the current accumulation purge amount m of the air cleaning facility；
The filter efficiency of the filter screen is obtained according to the current accumulation purge amount m of the air cleaning facility.
3. the detection method in filter screen life-span in air cleaning facility as claimed in claim 2, it is characterised in that the air is net
Changing equipment includes blower fan, wind deflector, when obtaining the ventilation of the air cleaning facility,
Obtain the rotating speed of the blower fan and the angle of the wind deflector；
The ventilation of the air cleaning facility is obtained according to the angle of the rotating speed of the blower fan and the wind deflector.
4. the detection method in filter screen life-span in air cleaning facility as claimed in claim 3, it is characterised in that described in acquisition
During the ventilation of air cleaning facility,
The operational mode of the air cleaning facility is also obtained to obtain corresponding mode coefficient according to the operational mode, its
In, the operational mode includes the one or more in refrigeration mode, heating mode, air supply pattern；
The logical of the air cleaning facility is obtained according to the rotating speed of the blower fan, the angle of the wind deflector and the mode coefficient
Air quantity.
5. the detection method in filter screen life-span in the air cleaning facility as described in claim 3 or 4, it is characterised in that according to institute
The ventilation for stating air cleaning facility obtains the filtering air quantity percentage.
6. the detection method in filter screen life-span in air cleaning facility as claimed in claim 4, it is characterised in that the air is net
Change and be provided with plasma diffusing W,Mo device in equipment, the detection method also includes：
Obtain the plasma diffusing W,Mo coefficient of the plasma diffusing W,Mo device；
According to the filter efficiency of the filter screen, filter the concentration of target contaminant in air quantity percentage, and the air, described
The ventilation of air cleaning facility and the plasma diffusing W,Mo coefficient, calculate the accumulation purge amount M of the air cleaning facility.
7. the detection method in filter screen life-span in air cleaning facility as claimed in claim 6, it is characterised in that according to following public affairs
Formula calculates the accumulation purge amount M of the air cleaning facility：
<mrow>
<mi>M</mi>
<mo>=</mo>
<munderover>
<mo>&Integral;</mo>
<mn>0</mn>
<mi>T</mi>
</munderover>
<mi>&eta;</mi>
<mrow>
<mo>(</mo>
<mi>m</mi>
<mo>)</mo>
</mrow>
<mo>&CenterDot;</mo>
<mi>&omega;</mi>
<mrow>
<mo>(</mo>
<mi>A</mi>
<mo>)</mo>
</mrow>
<mo>&CenterDot;</mo>
<mi>&lambda;</mi>
<mo>&CenterDot;</mo>
<mi>A</mi>
<mrow>
<mo>(</mo>
<mi>&xi;</mi>
<mo>,</mo>
<mi>&alpha;</mi>
<mo>,</mo>
<mi>&kappa;</mi>
<mo>)</mo>
</mrow>
<mo>&CenterDot;</mo>
<mi>&theta;</mi>
<mi>d</mi>
<mi>t</mi>
<mo>,</mo>
</mrow>
Wherein, η (m) is the filter efficiency of the filter screen, and ω (A) is the filtering air quantity percentage, and λ is the target contaminant
Concentration, A (ξ, α, κ) represents the ventilation of the air cleaning facility, and ξ is the rotating speed of the blower fan, and α is the wind deflector
Angle, κ are the mode coefficient, and θ is the plasma diffusing W,Mo coefficient, and T is the run time of the air cleaning facility.
8. the detection method in filter screen life-span in air cleaning facility as claimed in claim 1, it is characterised in that also include：
After filter screen is changed, by the accumulation purge amount M zero setting of the air cleaning facility.
9. a kind of non-transitorycomputer readable storage medium, is stored thereon with computer program, it is characterised in that the program quilt
The detection method in filter screen life-span in the air cleaning facility as any one of claim 1-8 is realized during computing device.
A kind of 10. detection means in filter screen life-span in air cleaning facility, it is characterised in that including：
First acquisition module, for obtaining filter efficiency, the filtering air quantity percentage of filter screen；
Second acquisition module, for obtaining the concentration of target contaminant in air；
3rd acquisition module, for obtaining the ventilation and run time of air cleaning facility；
First computing module, for target in the filter efficiency according to the filter screen, filtering air quantity percentage and the air
The concentration of pollutant, the ventilation and run time of the air cleaning facility, the accumulation for calculating the air cleaning facility are net
Change amount M；
Second computing module, for calculating the air cleaning facility according to the accumulation purge amount M of the air cleaning facility
CADR is compared in clean air output；
Judge module, for judging whether CADR is less than predetermined threshold value；
Reminding module, for when CADR is less than the predetermined threshold value, sending prompt message to remind user to change the filter screen.
11. the detection means in filter screen life-span in air cleaning facility as claimed in claim 10, it is characterised in that also include：
4th acquisition module, for obtaining the current accumulation purge amount m of the air cleaning facility；
Wherein, first acquisition module is used to obtain the filter according to the current accumulation purge amount m of the air cleaning facility
The filter efficiency of net.
12. the detection means in filter screen life-span in air cleaning facility as claimed in claim 11, it is characterised in that the air
Cleaning equipment includes blower fan, wind deflector, and the 3rd acquisition module is specifically used for：
Obtain the rotating speed of the blower fan and the angle of the wind deflector；
The ventilation of the air cleaning facility is obtained according to the angle of the rotating speed of the blower fan and the wind deflector.
13. the detection means in filter screen life-span in air cleaning facility as claimed in claim 12, it is characterised in that the described 3rd
Acquisition module is specifically additionally operable to：
The operational mode of the air cleaning facility is obtained to obtain corresponding mode coefficient according to the operational mode, wherein,
The operational mode includes the one or more in refrigeration mode, heating mode, air supply pattern；
The logical of the air cleaning facility is obtained according to the rotating speed of the blower fan, the angle of the wind deflector and the mode coefficient
Air quantity.
14. the detection means in filter screen life-span in the air cleaning facility as described in claim 12 or 13, it is characterised in that described
Second acquisition module is specifically used for：
The filtering air quantity percentage is obtained according to the ventilation of the air cleaning facility.
15. the detection means in filter screen life-span in air cleaning facility as claimed in claim 13, it is characterised in that the air
Plasma diffusing W,Mo device is provided with cleaning equipment, the detection means also includes：
5th acquisition module, for obtaining the plasma diffusing W,Mo coefficient of the plasma diffusing W,Mo device；
Wherein, first computing module is according in the filter efficiency of the filter screen, filtering air quantity percentage, and the air
The concentration of target contaminant, the ventilation of the air cleaning facility and the plasma diffusing W,Mo coefficient, calculate the purification of air
The accumulation purge amount M of equipment.
16. the detection means in filter screen life-span in air cleaning facility as claimed in claim 15, it is characterised in that described first
Computing module is specifically used for the accumulation purge amount M that the air cleaning facility is calculated according to equation below：
<mrow>
<mi>M</mi>
<mo>=</mo>
<munderover>
<mo>&Integral;</mo>
<mn>0</mn>
<mi>T</mi>
</munderover>
<mi>&eta;</mi>
<mrow>
<mo>(</mo>
<mi>m</mi>
<mo>)</mo>
</mrow>
<mo>&CenterDot;</mo>
<mi>&omega;</mi>
<mrow>
<mo>(</mo>
<mi>A</mi>
<mo>)</mo>
</mrow>
<mo>&CenterDot;</mo>
<mi>&lambda;</mi>
<mo>&CenterDot;</mo>
<mi>A</mi>
<mrow>
<mo>(</mo>
<mi>&xi;</mi>
<mo>,</mo>
<mi>&alpha;</mi>
<mo>,</mo>
<mi>&kappa;</mi>
<mo>)</mo>
</mrow>
<mo>&CenterDot;</mo>
<mi>&theta;</mi>
<mi>d</mi>
<mi>t</mi>
<mo>,</mo>
</mrow>
Wherein, η (m) is the filter efficiency of the filter screen, and ω (A) is the filtering air quantity percentage, and λ is the target contaminant
Concentration, A (ξ, α, κ) represents the ventilation of the air cleaning facility, and ξ is the rotating speed of the blower fan, and α is the wind deflector
Angle, κ are the mode coefficient, and θ is the plasma diffusing W,Mo coefficient, and T is the run time of the air cleaning facility.
17. the detection means in filter screen life-span in air cleaning facility as claimed in claim 10, it is characterised in that also include：
Zero setting module, for after filter screen is changed, by the accumulation purge amount M zero setting of the air cleaning facility.
18. a kind of air cleaning facility, it is characterised in that including the purification of air as any one of claim 10-17
The detection means in filter screen life-span in equipment.
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