CN107166662A - A kind of strainer filtering efficient state reminding method and air purifier - Google Patents
A kind of strainer filtering efficient state reminding method and air purifier Download PDFInfo
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- CN107166662A CN107166662A CN201710414122.9A CN201710414122A CN107166662A CN 107166662 A CN107166662 A CN 107166662A CN 201710414122 A CN201710414122 A CN 201710414122A CN 107166662 A CN107166662 A CN 107166662A
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Abstract
The invention discloses a kind of strainer filtering efficient state reminding method, including：Detect air purifier working time section filter screen air intake pollutant concentration and outlet air end pollutant concentration；Obtain the air quantity of air purifier working time section；According to the air intake pollutant concentration, the outlet air end pollutant concentration and the air quantity, the pollutant filtration yield of the filter screen during the working time is calculated；The pollutant filtration yield is compared with predetermined threshold value, comparative result is determined；According to the comparative result, filter screen efficient state prompt message is exported.The invention also discloses a kind of air purifier.
Description
Technical field
The present invention relates to air purifying process, more particularly to a kind of strainer filtering efficient state reminding method and air cleaning
Device.
Background technology
Air purifier is a kind of device for crossing air filtering, and the pollutant filtered out can be attached to the filter screen of air purifier
On, with the growth of air purifier use time, the filter efficiency of air purifier will be reduced, so, air purifier
Filter screen need regularly to clean or change.
In the prior art, it is typically all to be carried by the way of accumulative use time that the cleaning or replacing of filter screen, which are reminded,
Wake up, user's cleaning is reminded when accumulative use time reaches setting value or filter screen is changed, still, the side of accumulative use time is used
Formula reminds cleaning or the mode of replacing filter screen really to reflect whether filter screen needs to clean or change, for example：One air
The use environment of clarifier is relatively preferable, and pollutant is relatively low, in this case, and air purifier use time reaches
Prompt message that is clear or changing will be sent after the default time, and the pollutant accompanying by actual upper filter screen is seldom, filter screen
Purification efficiency also really do not drop to need clean or change degree；If the environment that air purifier is used is hated
Bad, filter screen is adhering to a large amount of pollutants.And use time is not reaching to preset value, and sky is continuing with this case
Gas purifier does not purify the effect of air not only, and the secondary pollution of air can be caused on the contrary.
The content of the invention
In view of this, the embodiment of the present invention is expected to provide a kind of strainer filtering efficient state reminding method and air cleaning
Device, the purge amount of the filter screen of air purifier can be detected in real time, when the filter screen purge amount of air purifier reaches preset value
Afterwards, prompting cleaning is issued the user with automatically or changes the prompt message of filter screen.
To reach above-mentioned purpose, the embodiments of the invention provide a kind of strainer filtering efficient state reminding method, the side
Method includes：
Detect air purifier working time section filter screen air intake pollutant concentration and outlet air end pollutant concentration；
Obtain the air quantity of air purifier working time section；
According to the air intake pollutant concentration, the outlet air end pollutant concentration and the air quantity, the filter is calculated
The pollutant filtration yield of net during the working time；
The pollutant filtration yield is compared with predetermined threshold value, comparative result is determined；
According to the comparative result, filter screen efficient state prompt message is exported.
It is described according to the air intake pollutant concentration, the outlet air end pollutant concentration and the wind in the above method
Amount, calculates the pollutant filtration yield of the filter screen during the working time, including：
The filter screen working time section at least includes a detection cycle, in detection cycle detection air purifier filter
Net air intake pollutant concentration and outlet air end pollutant concentration, obtain the detection cycle filter screen air intake pollutant concentration and go out
Wind end pollutant concentration；
Poor is made to the detection cycle filter screen air intake pollutant concentration and outlet air end pollutant concentration, pollutant is obtained dense
Spend difference；
Each detection cycle pollutant concentration difference of acquisition is added up, pollutant concentration difference accumulated value is obtained；
The pollutant concentration difference accumulated value is multiplied with the air quantity, filter screen is calculated in the working time section
Pollutant filtration yield.
In the above method, the air quantity is according to the air channel length of air purifier, air channel diameter and wind-speed gear or blower fan
Rotating speed is obtained.
It is described to be compared the pollutant filtration yield with predetermined threshold value in the above method, comparative result is determined, is wrapped
Include：
When the gross contamination thing filtration yield is less than predetermined threshold value, the low comparative result of strainer filtering efficiency is determined；
When the gross contamination thing filtration yield is more than or equal to predetermined threshold value, determine that strainer filtering efficiency normally compares knot
Really.
It is described according to the comparative result in the above method, strainer filtering condition prompting information is exported, including：
When the comparative result is the low comparative result of strainer filtering efficiency, the low prompting letter of output strainer filtering state
Breath；
When the comparative result is the normal comparative result of strainer filtering efficiency, output strainer filtering state is normally pointed out
Information.
The embodiments of the invention provide a kind of air purifier, including：
Pollutant concentration detection module, for detect air purifier working time section filter screen air intake pollutant concentration and
Outlet air end pollutant concentration；
Acquisition module, the air quantity for obtaining air purifier working time section；
Computing module, for according to the air intake pollutant concentration, described according to the air intake pollutant concentration, institute
Outlet air end pollutant concentration and the air quantity are stated, the pollutant filtration yield of the filter screen during the working time is calculated；
Contrast module, for the pollutant filtration yield to be compared with predetermined threshold value, determines comparative result；
Reminding module, for according to the comparative result, exporting filter screen efficient state prompt message.
In above-mentioned clarifier, the computing module specifically for：
The filter screen working time section at least includes a detection cycle, in detection cycle detection air purifier filter
Net air intake pollutant concentration and outlet air end pollutant concentration, obtain the detection cycle filter screen air intake pollutant concentration and go out
Wind end pollutant concentration；
Poor is made to the detection cycle filter screen air intake pollutant concentration and outlet air end pollutant concentration, pollutant is obtained dense
Spend difference；
Each detection cycle pollutant concentration difference of acquisition is added up, pollutant concentration difference accumulated value is obtained；
The pollutant concentration difference accumulated value is multiplied with the air quantity, filter screen is calculated in the working time section
Pollutant filtration yield.
In above-mentioned clarifier, the air quantity is according to the air channel length of air purifier, air channel diameter and wind-speed gear or wind
Machine rotating speed is obtained.
In above-mentioned clarifier, the contrast module, specifically for：
When the gross contamination thing filtration yield is less than predetermined threshold value, the low comparative result of strainer filtering efficiency is determined；
When the gross contamination thing filtration yield is more than or equal to predetermined threshold value, determine that strainer filtering efficiency normally compares knot
Really.
In above-mentioned clarifier, the reminding module, specifically for：
When the comparative result is the low comparative result of strainer filtering efficiency, the low prompting letter of output strainer filtering state
Breath；
When the comparative result is the normal comparative result of strainer filtering efficiency, output strainer filtering state is normally pointed out
Information.
A kind of strainer filtering efficient state reminding method and air purifier detection air provided in an embodiment of the present invention is net
Change device working time section filter screen air intake pollutant concentration and outlet air end pollutant concentration；Obtain air purifier working time section
Air quantity；According to the air intake pollutant concentration, the outlet air end pollutant concentration and the air quantity, the filter screen is calculated
Pollutant filtration yield during the working time；The pollutant filtration yield is compared with predetermined threshold value, it is determined that comparing knot
Really；According to the comparative result, filter screen efficient state prompt message is exported.In this way, air cleaning can be calculated effectively in real time
The purge amount of device, after purification effect amount adds up to preset value, issues the user with cleaning or changes the prompt message of filter screen.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of strainer filtering efficient state reminding method of the embodiment of the present invention；
Fig. 2 is the structural representation of air purifier of the embodiment of the present invention；
Fig. 3 is the structural representation of air purifier of the embodiment of the present invention in actual applications.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment to the present invention be described in further detail again.
Fig. 1 is the schematic flow sheet of strainer filtering efficient state reminding method of the embodiment of the present invention, as shown in figure 1, this hair
The flow of bright embodiment strainer filtering efficient state reminding method comprises the following steps：
Step 101：Detect that air purifier working time section filter screen air intake pollutant concentration and outlet air end pollutant are dense
Degree；Obtain the air quantity of air purifier working time section；
Wherein, using filter screen as boundary, direction windward is air intake, and air-out direction is outlet air end；It is each in air intake and outlet air end
At least one pollutant concentration detection module is set, wherein, the quantity of pollutant concentration detection module can be according to the actual requirements
It is configured；The air quantity is obtained according to the air channel length of air purifier, air channel diameter and wind-speed gear or rotation speed of fan；
The pollutant concentration detection module can be fine particle (PM2.5) detection sensor, concentration of formaldehyde detection biography
Sensor, VOC (VOC, Volatile Organic Compounds) detection sensor etc.；
In actual applications, the air quantity of the acquisition, can be by reading the rotating speed of blower fan, or root air purifier
The gear of work at present, the length further according to air purifier air intake diameter and air channel carries out calculating acquisition.
Step 102：According to the air intake pollutant concentration, the outlet air end pollutant concentration and the air quantity, calculate
Go out the pollutant filtration yield of the filter screen during the working time；
Wherein, the filter screen working time section at least includes a detection cycle, net in detection cycle detection air
Change device filter screen air intake pollutant concentration and outlet air end pollutant concentration, obtain the detection cycle filter screen air intake pollutant dense
Degree and outlet air end pollutant concentration；
Poor is made to the detection cycle filter screen air intake pollutant concentration and outlet air end pollutant concentration, pollutant is obtained dense
Spend difference；
Each detection cycle pollutant concentration difference of acquisition is added up, pollutant concentration difference accumulated value is obtained；
The pollutant concentration difference accumulated value is multiplied with the air quantity, filter screen is calculated in the working time section
Pollutant filtration yield；
Further, one measurement period pollutant purification amount can be obtained by formula E=V*D, wherein, E tables
Show pollutant purification amount；V represents air quantity；D represents each detection cycle pollutant concentration difference accumulated value；Wherein,
D can pass through ∑(D1-D2)Obtain, D1 represents the pollutant concentration of a detection cycle air intake；D2 represents one
The pollutant concentration of detection cycle outlet air end.
Step 103：The pollutant filtration yield is compared with predetermined threshold value, comparative result is determined；
Wherein, when the purification efficiency value is less than predetermined threshold value, the low comparative result of strainer filtering efficiency is determined；When
When the purification efficiency value is more than or equal to predetermined threshold value, the normal comparative result of strainer filtering efficiency is determined.
Step 104：According to the comparative result, filter screen efficient state prompt message is exported.
Wherein, when the comparative result is the low comparative result of strainer filtering efficiency, strainer filtering state is low carries for output
Show information；
When the comparative result is the normal comparative result of strainer filtering efficiency, output strainer filtering state is normally pointed out
Information.
In actual applications, the low prompt message of the strainer filtering efficiency can pass through the display surface on air purifier
The modes such as plate is shown, indicator lamp flashes, the push of APP message remind user to clean or change filter screen.
Fig. 2 is the structural representation of air purifier of the embodiment of the present invention, as shown in Fig. 2 air of the embodiment of the present invention is net
Changing device includes：
Pollutant concentration detection module 201, for detecting that air purifier working time section filter screen air intake pollutant is dense
Degree and outlet air end pollutant concentration；
Acquisition module 202, the air quantity for obtaining air purifier working time section；
Computing module 203, for according to the air intake pollutant concentration, described dense according to the air intake pollutant
Degree, the outlet air end pollutant concentration and the air quantity, calculate the pollutant filtration yield of the filter screen during the working time；
Contrast module 204, for the pollutant filtration yield to be compared with predetermined threshold value, determines comparative result；
Reminding module 205, for according to the comparative result, exporting filter screen efficient state prompt message.
Wherein, the computing module 20 specifically for：
The filter screen working time section at least includes a detection cycle, in detection cycle detection air purifier filter
Net air intake pollutant concentration and outlet air end pollutant concentration, obtain the detection cycle filter screen air intake pollutant concentration and go out
Wind end pollutant concentration；
Poor is made to the detection cycle filter screen air intake pollutant concentration and outlet air end pollutant concentration, pollutant is obtained dense
Spend difference；
Each detection cycle pollutant concentration difference of acquisition is added up, pollutant concentration difference accumulated value is obtained；
The pollutant concentration difference accumulated value is multiplied with the air quantity, filter screen is calculated in the working time section
Pollutant filtration yield.
Wherein, the air quantity is obtained according to the air channel length of air purifier, air channel diameter and wind-speed gear or rotation speed of fan
.
In above-mentioned clarifier, the contrast module, specifically for：
When the gross contamination thing filtration yield is less than predetermined threshold value, the low comparative result of strainer filtering efficiency is determined；
When the gross contamination thing filtration yield is more than or equal to predetermined threshold value, determine that strainer filtering efficiency normally compares knot
Really.
In above-mentioned clarifier, the reminding module 205, specifically for：
When the comparative result is the low comparative result of strainer filtering efficiency, the low prompting letter of output strainer filtering state
Breath；
When the comparative result is the normal comparative result of strainer filtering efficiency, output strainer filtering state is normally pointed out
Information.
In actual applications, the computing module 203, contrast module 204, reminding module 205 can be by positioned at air cleanings
Central processing unit (CPU, Central Processing Unit) or microprocessor (MPU, Micro Processor on device
Unit) or digital signal processor (DSP, Digital Signal Processor) or field programmable gate array (FPGA,
Field Programmable Gate Array) realize.
It should be noted that each module realizes that function can refer to the associated description of reminding method in earlier figures 1 and understand,
Here repeat no more.
The structure to strainer filtering efficient state reminding method of the embodiment of the present invention and air purifier is carried out in detail below
Describe in detail bright.
Fig. 3 is the structural representation of strainer filtering efficient state reminding method practical application of the embodiment of the present invention, such as Fig. 3 institutes
Show, the application of the embodiment of the present invention in practice includes：
Air intake pollutant concentration detection module 301, filter screen 302, outlet air end pollutant concentration detection module 303, acquisition
Module 304, computing module 305, contrast module 306 and reminding module 307；Wherein,
After air purifier is started working, the He of pollutant concentration detection module 301 that air purifier air intake is set
The each detection cycle of outlet air end pollutant concentration detection module 303 during the working time at least detects a data or multiple
The pollutant concentration data of acquisition are sent to computing module 304 by data, while acquisition module 304 obtains air purifier wind
The rotating speed or gear of machine, then the pollutant filtering two in each detection cycle of filter screen is calculated, finally, by pollutant filtration yield
Added up, specifically, one measurement period pollutant purification amount can be obtained by formula E=V*D, wherein, E is represented
Pollutant purification amount；V represents air quantity；D represents each detection cycle pollutant concentration difference accumulated value；Wherein, D can pass through
∑(D1-D2)Obtain, D1 represents the pollutant concentration of a detection cycle air intake；D2 represents the dirt of a detection cycle outlet air end
Contaminate thing concentration；Contrast module 305 sets a threshold value, and the cumulative pollutant filtration yield and the threshold value of the setting are carried out
Contrast, if the cumulative pollutant filtration yield is more than the default threshold value, shows that filter screen can not effective mistake
Pollutant is filtered, now, reminding module 306 sends cleaning or changes the signal of filter screen；If the cumulative pollutant filtration yield
Less than the default threshold value, then continue to calculate the pollutant purification amount of air purifier, until pollutant purification amount reach it is pre-
If threshold value, send cleaning or change filter screen signal.
In summary, detection air purifier working time section filter screen air intake pollutant concentration and outlet air end pollutant are dense
Degree；Obtain the air quantity of air purifier working time section；It is dense according to the air intake pollutant concentration, the outlet air end pollutant
Degree and the air quantity, calculate the pollutant filtration yield of the filter screen during the working time；By the pollutant filtration yield with
Predetermined threshold value is compared, and determines comparative result；According to the comparative result, filter screen efficient state prompt message is exported.In this way,
Can in air purifier running the pollutant purification amount of effective air purifier in real time, when pollutant purification amount reaches
To after default threshold value, send cleaning or change the prompt message of filter screen.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (10)
1. a kind of filter screen efficient state reminding method, it is characterised in that methods described includes：
Detect air purifier working time section filter screen air intake pollutant concentration and outlet air end pollutant concentration；
Obtain the air quantity of air purifier working time section；
According to the air intake pollutant concentration, the outlet air end pollutant concentration and the air quantity, calculate the filter screen and exist
Pollutant filtration yield in working time section；
The pollutant filtration yield is compared with predetermined threshold value, comparative result is determined；
According to the comparative result, filter screen efficient state prompt message is exported.
2. according to the method described in claim 1, it is characterised in that it is described according to the air intake pollutant concentration, it is described go out
Wind end pollutant concentration and the air quantity, calculate the pollutant filtration yield of the filter screen during the working time, including：
The filter screen working time section at least includes a detection cycle, enters in detection cycle detection air purifier filter screen
Wind end pollutant concentration and outlet air end pollutant concentration, obtain the detection cycle filter screen air intake pollutant concentration and outlet air end
Pollutant concentration；
Poor is made to the detection cycle filter screen air intake pollutant concentration and outlet air end pollutant concentration, pollutant concentration is obtained poor
Value；
Each detection cycle pollutant concentration difference of acquisition is added up, pollutant concentration difference accumulated value is obtained；
The pollutant concentration difference accumulated value is multiplied with the air quantity, pollution of the filter screen in the working time section is calculated
Thing filtration yield.
3. according to the method described in claim 1, it is characterised in that air channel length of the air quantity according to air purifier, wind
Road diameter and wind-speed gear or rotation speed of fan are obtained.
4. according to the method described in claim 1, it is characterised in that described to carry out the pollutant filtration yield and predetermined threshold value
Compare, determine comparative result, including：
When the gross contamination thing filtration yield is less than predetermined threshold value, the low comparative result of strainer filtering efficiency is determined；
When the gross contamination thing filtration yield is more than or equal to predetermined threshold value, the normal comparative result of strainer filtering efficiency is determined.
5. the method according to claim 1 or 4, it is characterised in that described according to the comparative result, exports strainer filtering
Condition prompting information, including：
When the comparative result is the low comparative result of strainer filtering efficiency, the low prompt message of output strainer filtering state；
When the comparative result is the normal comparative result of strainer filtering efficiency, output strainer filtering state normally points out letter
Breath.
6. a kind of air purifier, it is characterised in that the screen replacing suggestion device includes：
Pollutant concentration detection module, for detecting air purifier working time section filter screen air intake pollutant concentration and air-out
Hold pollutant concentration；
Acquisition module, the air quantity for obtaining air purifier working time section；
Computing module, for according to the air intake pollutant concentration, it is described according to the air intake pollutant concentration, it is described go out
Wind end pollutant concentration and the air quantity, calculate the pollutant filtration yield of the filter screen during the working time；
Contrast module, for the pollutant filtration yield to be compared with predetermined threshold value, determines comparative result；
Reminding module, for according to the comparative result, exporting filter screen efficient state prompt message.
7. air purifier according to claim 6, it is characterised in that the computing module specifically for：
The filter screen working time section at least includes a detection cycle, enters in detection cycle detection air purifier filter screen
Wind end pollutant concentration and outlet air end pollutant concentration, obtain the detection cycle filter screen air intake pollutant concentration and outlet air end
Pollutant concentration；
Poor is made to the detection cycle filter screen air intake pollutant concentration and outlet air end pollutant concentration, pollutant concentration is obtained poor
Value；
Each detection cycle pollutant concentration difference of acquisition is added up, pollutant concentration difference accumulated value is obtained；
The pollutant concentration difference accumulated value is multiplied with the air quantity, pollution of the filter screen in the working time section is calculated
Thing filtration yield.
8. the air purifier according to claim 6 or 7, it is characterised in that the air quantity is according to the wind of air purifier
Road length, air channel diameter and wind-speed gear or rotation speed of fan are obtained.
9. air purifier according to claim 6, it is characterised in that the contrast module, specifically for：
When the gross contamination thing filtration yield is less than predetermined threshold value, the low comparative result of strainer filtering efficiency is determined；
When the gross contamination thing filtration yield is more than or equal to predetermined threshold value, the normal comparative result of strainer filtering efficiency is determined.
10. air purifier according to claim 6, it is characterised in that the reminding module, specifically for：
When the comparative result is the low comparative result of strainer filtering efficiency, the low prompt message of output strainer filtering state；
When the comparative result is the normal comparative result of strainer filtering efficiency, output strainer filtering state normally points out letter
Breath.
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| CN107514756A (en) * | 2017-08-31 | 2017-12-26 | 北京融安特智能科技股份有限公司 | The control system and sterilizing and purifying method for sorting of archives sterilizing and purifying collator |
| CN107883538A (en) * | 2017-10-10 | 2018-04-06 | 完美（广东）日用品有限公司 | The determination method, apparatus and its air cleaning facility of filter screen service life |
| CN108413493A (en) * | 2018-03-08 | 2018-08-17 | 广东美的制冷设备有限公司 | Purification membrane replaces based reminding method, air conditioner, mobile terminal, system and medium |
| CN108800433A (en) * | 2018-04-24 | 2018-11-13 | 青岛朗兹环保科技有限公司 | New blower fan screen net life detecting method |
| CN109839147A (en) * | 2018-12-20 | 2019-06-04 | 天津大学 | A kind of intelligence food and drink clarifier monitoring system |
| CN110030661A (en) * | 2019-03-21 | 2019-07-19 | 青岛海尔空调器有限总公司 | Screen replacing based reminding method and air purifier |
| CN110195911A (en) * | 2018-02-27 | 2019-09-03 | 上海熙鼎信息科技有限公司 | Judgment method that air purifier and strainer expire determination component and air purifier strainer expires |
| CN110314458A (en) * | 2019-07-11 | 2019-10-11 | 江苏中科睿赛污染控制工程有限公司 | A kind of the screen replacing system for prompting and its method of air cleaning facility |
| CN111482024A (en) * | 2020-06-08 | 2020-08-04 | 深圳市鼎信科技有限公司 | Control method and device for air purification device and storage medium |
| WO2020187231A1 (en) * | 2019-03-21 | 2020-09-24 | 青岛海尔空调器有限总公司 | Self-cleaning control method for air conditioner |
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| CN113932412A (en) * | 2021-10-08 | 2022-01-14 | 青岛海尔空调器有限总公司 | Reminding method and reminding system of air purification equipment and air purification equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107514756A (en) * | 2017-08-31 | 2017-12-26 | 北京融安特智能科技股份有限公司 | The control system and sterilizing and purifying method for sorting of archives sterilizing and purifying collator |
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| CN108413493A (en) * | 2018-03-08 | 2018-08-17 | 广东美的制冷设备有限公司 | Purification membrane replaces based reminding method, air conditioner, mobile terminal, system and medium |
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| CN109839147A (en) * | 2018-12-20 | 2019-06-04 | 天津大学 | A kind of intelligence food and drink clarifier monitoring system |
| CN110030661A (en) * | 2019-03-21 | 2019-07-19 | 青岛海尔空调器有限总公司 | Screen replacing based reminding method and air purifier |
| WO2020187231A1 (en) * | 2019-03-21 | 2020-09-24 | 青岛海尔空调器有限总公司 | Self-cleaning control method for air conditioner |
| CN110314458A (en) * | 2019-07-11 | 2019-10-11 | 江苏中科睿赛污染控制工程有限公司 | A kind of the screen replacing system for prompting and its method of air cleaning facility |
| CN111482024A (en) * | 2020-06-08 | 2020-08-04 | 深圳市鼎信科技有限公司 | Control method and device for air purification device and storage medium |
| CN113720743A (en) * | 2021-09-01 | 2021-11-30 | 华帝股份有限公司 | Intelligent detection method for oil network state and range hood with detectable oil separation degree |
| CN113932412A (en) * | 2021-10-08 | 2022-01-14 | 青岛海尔空调器有限总公司 | Reminding method and reminding system of air purification equipment and air purification equipment |
| CN114001419A (en) * | 2021-10-25 | 2022-02-01 | 北京小米移动软件有限公司 | Filter screen service life detection method and device, air conditioning equipment and storage medium |
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Application publication date: 20170915 |