CN110013713A - Air purifier strainer service life judgment method and air purifier - Google Patents
Air purifier strainer service life judgment method and air purifier Download PDFInfo
- Publication number
- CN110013713A CN110013713A CN201910218919.0A CN201910218919A CN110013713A CN 110013713 A CN110013713 A CN 110013713A CN 201910218919 A CN201910218919 A CN 201910218919A CN 110013713 A CN110013713 A CN 110013713A
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- Prior art keywords
- strainer
- air purifier
- air
- service life
- wind speed
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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
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/442—Auxiliary equipment or operation thereof controlling filtration by measuring the concentration of particles
-
- 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
- B01D46/88—Replacing filter elements
Abstract
The invention belongs to technical field of air purification, specifically provide a kind of air purifier strainer service life judgment method and air purifier.For accuracy of judgement judge that strainer is to clean or should replace, air purifier strainer service life judgment method of the invention includes the following steps: the PM2.5 value for starting the air purifier after cleaning to the strainer and recording present air；It records the air purifier and the PM2.5 value of present air is purified to time T used in setting value under current wind speed；Judge whether the strainer needs replacing according to the time T.The present invention is by comparing under identical wind speed, the time required for the setting value that purified strainer and clean strainer purify identical air PM2.5, and then judges whether strainer needs replacing.So, the state of strainer can be effectively distinguished, to effectively avoid the problem that frequently replacing strainer.
Description
Technical field
The invention belongs to technical field of air purification, specifically provide a kind of air purifier strainer service life judgment method and sky
Gas purifier.
Background technique
The core component of air purifier is strainer and fan, and fan is sucked outside air in clarifier by rotation,
Then it pushes the air through strainer to be filtered, finally filtered gas is discharged, to realize air cleaning.Air cleaning
The strainer of device has certain service life, and with gradually being increased using the time for strainer, the pollutant accumulated on strainer can be got over
Come more, pollutant can gradually block strainer, thus strainer also can gradually be deteriorated to the filtration, purification effect of air, when strainer pair
When standard is not achieved in the filter effect of air, it is meant that strainer service life has arrived, and needs to carry out the strainer of air purifier
Replacement or cleaning.When strainer is cleaned, although the fouling product of strainer can be disposed partially, to extend the use longevity of strainer
Life, but strainer has service life eventually.Therefore, the invention solves be how distinguish strainer be clean also
The problem of being replacement.
Summary of the invention
In order to solve the above problem in the prior art, in order to accuracy of judgement judge that strainer is to clean or answer
The replacement, the invention proposes a kind of air purifier strainer service life judgment method, the air purifier strainer service life judgement
Method includes the following steps: S110, after cleaning to the strainer, starts the air purifier and records current empty
The PM2.5 value of gas；S120, it records the air purifier PM2.5 value of present air is purified to setting under current wind speed
Value time T used；S130, judge whether the strainer needs replacing according to the time T.
In the preferred embodiment of above-mentioned air purifier strainer service life judgment method, in step s 110, start institute
When stating air purifier, the wind speed of the air purifier is made to preset wind speed.
In the preferred embodiment of above-mentioned air purifier strainer service life judgment method, step S130 is specifically included: such as
Fruit T-T0> preset time then judges that the strainer needs replacing；Otherwise judge that the strainer does not need to replace；Wherein, T0For
Before dirty block up does not occur for strainer, the PM2.5 value of present air is purified to setting under identical wind speed by the air purifier
Standard time required for being worth.
In the preferred embodiment of above-mentioned air purifier strainer service life judgment method, step S130 is specifically included: such as
Fruit T-T0> preset time then judges that the strainer needs replacing；Otherwise judge that the strainer does not need to replace；Wherein, T0It presses
Determine according to such as under type: before dirty block up does not occur for strainer, obtaining the m air purifier will be current empty under identical wind speed
The PM2.5 value of gas is purified to time T required when setting value1、T2…Tm；T0=T1+T2+…+Tm/m；M is the integer greater than 1.
In the preferred embodiment of above-mentioned air purifier strainer service life judgment method, in the step s 120, repeat to remember
The PM2.5 value of present air is purified to time T used in setting value under current wind speed by air purifier described in record n times1、
T2…Tn；N is the integer greater than 1.
In the preferred embodiment of above-mentioned air purifier strainer service life judgment method, step S130 is specifically included: when
Meet Tn- T0The quantity of > preset time is more than or equal to n/2, then judges that the strainer needs replacing；Otherwise, judge the strainer
It does not need to replace；Wherein, T0For before dirty block up does not occur for strainer, the air purifier is under identical wind speed by present air
PM2.5 value be purified to the standard time required for setting value.
In the preferred embodiment of above-mentioned air purifier strainer service life judgment method, step S130 is specifically included: when
Meet Tn- T0The quantity of > preset time is more than or equal to n/2, then judges that the strainer needs replacing；Otherwise, judge the strainer
It does not need to replace；Wherein, T0It determines as follows: before dirty block up does not occur for strainer, obtaining the m air purifier
Required time T when the PM2.5 value of present air being purified to setting value under identical wind speed1、T2…Tm；T0=T1+T2+…+
Tm/m；M is the integer greater than 1.
In the preferred embodiment of above-mentioned air purifier strainer service life judgment method, step S130 is specifically included: meter
Calculate △ Tn=Tn- T0；Calculate △ TIt is average=△ T1+△T2+…+△Tn/n；If △ TIt is average> preset time then judges the filter
Net needs replacing；Otherwise judge that the strainer does not need to replace；Wherein, T0For strainer do not occur it is dirty it is stifled before, the air
The PM2.5 value of present air is purified to the standard time required for setting value under identical wind speed by clarifier.
In the preferred embodiment of above-mentioned air purifier strainer service life judgment method, step S130 is specifically included: meter
Calculate △ Tn=Tn- T0；Calculate △ TIt is average=△ T1+△T2+…+△Tn/n；If △ TIt is average> preset time then judges the filter
Net needs replacing；Otherwise judge that the strainer does not need to replace；Wherein, T0It determines: not occurring in strainer dirty as follows
Before stifled, obtain required when the PM2.5 value of present air is purified to setting value under identical wind speed by the m air purifier
Time T1、T2…Tm；T0=T1+T2+…+Tm/m；M is the integer greater than 1.
The present invention also provides a kind of air purifier, including controller, the controller is configured to execute above-mentioned
Air purifier strainer service life judgment method.
Although being cleaned the fouling product that can partially dispose strainer to strainer, extend the service life of strainer,
Strainer still has service life eventually, and therefore, the present invention after cleaning to strainer, imitate by the filtering by detecting strainer
Rate, i.e., by comparing the setting that under identical wind speed, purified strainer and clean strainer purify identical air PM2.5
Time required for being worth, and then judge whether strainer needs replacing.So, the state that can effectively distinguish strainer, from
And it effectively avoids the problem that frequently replacing strainer.
Detailed description of the invention
Fig. 1 is the broad flow diagram of air purifier strainer service life judgment method of the present invention.
Specific embodiment
To keep the embodiment of the present invention, technical solution and advantage more obvious, below in conjunction with attached drawing to skill of the invention
Art scheme carries out clear, complete description, it is clear that and the embodiment described is a part of the embodiments of the present invention, rather than all
Embodiment.It will be apparent to a skilled person that these embodiments are used only for explaining technical principle of the invention, and
It is not intended to be limiting protection scope of the present invention.
Referring to Fig.1, Fig. 1 is the broad flow diagram of air purifier strainer service life judgment method of the present invention.As shown in Figure 1,
Air purifier strainer service life judgment method of the invention includes the following steps: S110, after stating strainer and being cleaned, starting
Air purifier and the PM2.5 value for recording present air；S120, record air purifier are under current wind speed by present air
PM2.5 value is purified to time T used in setting value；S130, judge whether strainer needs replacing according to time T.Specifically, in step
In rapid S110, when starting air purifier, the wind speed of air purifier can be made to preset wind speed.It can also be in step S120
The current wind speed of middle detection air purifier.
As an example, in step s 130, if T-T0> preset time then judges that strainer needs replacing；Otherwise
Judge that strainer does not need to replace.Wherein, T0For before dirty block up does not occur for strainer, air purifier will be current under identical wind speed
The PM2.5 value of air is purified to the standard time required for setting value.Specifically, the present invention is by comparing under identical wind speed
(wind speed can be the default wind speed when starting air purifier, and be also possible to detect after air purifier starts works as
Preceding wind speed), the time required for the setting value that purified strainer and clean strainer purify identical air PM2.5.Such as
The fruit time, the identical purified strainer of explanation did not needed completely to replace very much；If time T ratio T required for purified strainer0
It is long, illustrate that purified strainer throws away that there are certain dusts；If time T required for purified strainer exceeds T0When default
Between (such as 4 hours), illustrate that purified strainer throws away that there are more dusts, illustrates that strainer needs replacing at this time.It needs to illustrate
, which can be determined by those skilled in the art according to test, such as use the strainer that needs replacing and clean
Strainer identical PM2.5 is reduced to setting value under identical wind speed needed for the time be compared, difference can be used as
Preset time.
Above-mentioned time T0It can also determine as follows: before dirty block up does not occur for strainer, obtain m air cleaning
Device time T required when the PM2.5 value of present air being purified to setting value under identical wind speed1、T2…Tm；T0=T1+T2+…
+Tm/m；M is the integer greater than 1.T at this time0The PM2.5 value of present air is purified under identical wind speed for air purifier and is set
Average time required for definite value can further increase the accuracy for judging whether strainer needs replacing in this way.
As another middle example, can repeat record n times air purifier in the step s 120 will work as under current wind speed
The PM2.5 value of preceding air is purified to time T used in setting value1、T2…Tn；N is the integer greater than 1.Then, in step S130
In, relatively more each time T usednWith T0；When meeting Tn- T0The quantity of > preset time is more than or equal to n/2, then judges strainer
It needs replacing；Otherwise, judge that strainer does not need to replace.That is, during air purifier repeatedly works, if there is
The time of more than half is more than T0, illustrate that strainer needs replacing.In the embodiment, judging whether strainer is replaced
When, the accuracy of judging result can be greatly increased, is avoided because of a contingency bring erroneous judgement.Similarly, the embodiment
In, T0It can be for before dirty block up does not occur for strainer, air purifier purifies the PM2.5 value of present air under identical wind speed
To the standard time required for setting value.In addition, T0It can also determine as follows: before dirty block up does not occur for strainer,
Obtain time T required when the PM2.5 value of present air is purified to setting value under identical wind speed by m air purifier1、
T2…Tm；T0=T1+T2+…+Tm/m；M is the integer greater than 1.T at this time0It will be current empty under identical wind speed for air purifier
The PM2.5 value of gas is purified to average time required for setting value, can further increase judge whether strainer needs more in this way
The accuracy changed.
As another example, the same record n times air purifier that repeats will work as under current wind speed in the step s 120
The PM2.5 value of preceding air is purified to time T used in setting value1、T2…Tn；N is the integer greater than 1.Then in step S130
In, calculate △ Tn=Tn- T0；Calculate △ TIt is average=△ T1+△T2+…+△Tn/n；If △ TIt is average> preset time then judges to filter
Net needs replacing；Otherwise judge that strainer does not need to replace.Specifically, in the embodiment, the time required to calculating every time with
T0Difference after, then average to these differences, judge to filter by judging whether the average value is greater than preset time
Whether net needs replacing.The accuracy for judging whether strainer needs replacing can be further increased in this way.Similarly, the embodiment
In, T0It can be for before dirty block up does not occur for strainer, air purifier purifies the PM2.5 value of present air under identical wind speed
To the standard time required for setting value.In addition, T0It can also determine as follows: before dirty block up does not occur for strainer,
Obtain time T required when the PM2.5 value of present air is purified to setting value under identical wind speed by m air purifier1、
T2…Tm；T0=T1+T2+…+Tm/m；M is the integer greater than 1.T at this time0It will be current empty under identical wind speed for air purifier
The PM2.5 value of gas is purified to average time required for setting value, can further increase judge whether strainer needs more in this way
The accuracy changed.
The present invention also provides a kind of air purifier, including controller, which is configured to execute above-mentioned
Air purifier strainer service life judgment method.It is specifically shown in described above, details are not described herein.
So far, it has been combined preferred embodiment shown in the drawings and describes technical solution of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to the relevant technologies feature, these
Technical solution after change or replacement will fall within the scope of protection of the present invention.
Claims (10)
1. a kind of air purifier strainer service life judgment method, which is characterized in that the air purifier strainer service life judgement side
Method includes the following steps:
S110, after being cleaned to the strainer, start the air purifier and record the PM2.5 value of present air；
S120, it records the air purifier PM2.5 value of present air is purified to used in setting value under current wind speed
Time T；
S130, judge whether the strainer needs replacing according to the time T.
2. air purifier strainer service life judgment method according to claim 1, which is characterized in that in step s 110,
When starting the air purifier, the wind speed of the air purifier is made to preset wind speed.
3. air purifier strainer service life judgment method according to claim 1, which is characterized in that step S130 is specifically wrapped
It includes:
If T-T0> preset time then judges that the strainer needs replacing；Otherwise judge that the strainer does not need to replace；
Wherein, T0For before dirty block up does not occur for strainer, the air purifier is under identical wind speed by the PM2.5 of present air
Value is purified to the standard time required for setting value.
4. air purifier strainer service life judgment method according to claim 1, which is characterized in that step S130 is specifically wrapped
It includes:
If T-T0> preset time then judges that the strainer needs replacing；Otherwise judge that the strainer does not need to replace；
Wherein, T0It determines as follows:
Before dirty block up does not occur for strainer, the m air purifier is obtained under identical wind speed by the PM2.5 value of present air
It is purified to time T required when setting value1、T2…Tm；
T0=T1+T2+…+Tm/m；M is the integer greater than 1.
5. air purifier strainer service life judgment method according to claim 1, which is characterized in that in the step s 120,
When the PM2.5 value of present air is purified to used in setting value by air purifier described in repetition record n times under current wind speed
Between T1、T2…Tn；N is the integer greater than 1.
6. air purifier strainer service life judgment method according to claim 5, which is characterized in that step S130 is specifically wrapped
It includes:
When meeting Tn- T0The quantity of > preset time is more than or equal to n/2, then judges that the strainer needs replacing；Otherwise, judge institute
Strainer is stated not need to replace；
Wherein, T0For before dirty block up does not occur for strainer, the air purifier is under identical wind speed by the PM2.5 of present air
Value is purified to the standard time required for setting value.
7. air purifier strainer service life judgment method according to claim 5, which is characterized in that step S130 is specifically wrapped
It includes:
When meeting Tn- T0The quantity of > preset time is more than or equal to n/2, then judges that the strainer needs replacing；Otherwise, judge institute
Strainer is stated not need to replace；
Wherein, T0It determines as follows:
Before dirty block up does not occur for strainer, the m air purifier is obtained under identical wind speed by the PM2.5 value of present air
It is purified to time T required when setting value1、T2…Tm；
T0=T1+T2+…+Tm/m；M is the integer greater than 1.
8. air purifier strainer service life judgment method according to claim 5, which is characterized in that step S130 is specifically wrapped
It includes:
Calculate △ Tn=Tn- T0；
Calculate △ TIt is average=△ T1+△T2+…+△Tn/n；
If △ TIt is average> preset time then judges that the strainer needs replacing；Otherwise judge that the strainer does not need to replace；
Wherein, T0For before dirty block up does not occur for strainer, the air purifier is under identical wind speed by the PM2.5 of present air
Value is purified to the standard time required for setting value.
9. air purifier strainer service life judgment method according to claim 5, which is characterized in that step S130 is specifically wrapped
It includes:
Calculate △ Tn=Tn- T0；
Calculate △ TIt is average=△ T1+△T2+…+△Tn/n；
If △ TIt is average> preset time then judges that the strainer needs replacing；Otherwise judge that the strainer does not need to replace；
Wherein, T0It determines as follows:
Before dirty block up does not occur for strainer, the m air purifier is obtained under identical wind speed by the PM2.5 value of present air
It is purified to time T required when setting value1、T2…Tm；
T0=T1+T2+…+Tm/m；M is the integer greater than 1.
10. a kind of air purifier, including controller, which is characterized in that the controller is configured to perform claim and requires 1
To air purifier strainer service life judgment method described in any one of 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910218919.0A CN110013713A (en) | 2019-03-21 | 2019-03-21 | Air purifier strainer service life judgment method and air purifier |
| PCT/CN2020/079884 WO2020187221A1 (en) | 2019-03-21 | 2020-03-18 | Method for determining service life of filter of air purifier, and air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910218919.0A CN110013713A (en) | 2019-03-21 | 2019-03-21 | Air purifier strainer service life judgment method and air purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110013713A true CN110013713A (en) | 2019-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910218919.0A Pending CN110013713A (en) | 2019-03-21 | 2019-03-21 | Air purifier strainer service life judgment method and air purifier |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110013713A (en) |
| WO (1) | WO2020187221A1 (en) |
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| WO2020187221A1 (en) * | 2019-03-21 | 2020-09-24 | 青岛海尔空调器有限总公司 | Method for determining service life of filter of air purifier, and air purifier |
| CN113819577A (en) * | 2021-09-17 | 2021-12-21 | 青岛海尔空调器有限总公司 | Filth blockage detection method, filth blockage detection device, purifier, electronic equipment and storage medium |
| CN114110925A (en) * | 2021-11-11 | 2022-03-01 | 珠海格力电器股份有限公司 | Filter screen state judgment method and electric appliance |
| CN114484736A (en) * | 2021-12-29 | 2022-05-13 | 宁波乐歌海生智家科技有限公司 | Control method for dust removal of filter screen and air purifier |
| CN115111693A (en) * | 2022-06-01 | 2022-09-27 | 中科美菱低温科技股份有限公司 | Detection method for service life of high-efficiency filter and clean workbench |
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| Publication number | Publication date |
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| WO2020187221A1 (en) | 2020-09-24 |
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