CN107158814B - A kind of method and air purifier of the prompt of strainer filtering efficient state - Google Patents
A kind of method and air purifier of the prompt of strainer filtering efficient state Download PDFInfo
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- CN107158814B CN107158814B CN201710343503.2A CN201710343503A CN107158814B CN 107158814 B CN107158814 B CN 107158814B CN 201710343503 A CN201710343503 A CN 201710343503A CN 107158814 B CN107158814 B CN 107158814B
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- pollutant concentration
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- purification efficiency
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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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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
- B01D2279/50—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for air conditioning
Abstract
The invention discloses a kind of methods of strainer filtering efficient state prompt, comprising: the pollutant concentration of detection strainer air intake and the pollutant concentration of strainer outlet air end；The purification efficiency value of strainer is calculated according to the pollutant concentration of the air intake and the pollutant concentration of the outlet air end；The purification efficiency value is compared with preset threshold, determines comparison result；According to the comparison result, strainer filtering condition prompting information is exported.The invention also discloses a kind of air purifiers.
Description
Technical field
A kind of method and air prompted the present invention relates to air purifying process more particularly to strainer filtering efficient state is net
Change device.
Background technique
Air purifier is a kind of device for crossing air filtering, and the pollutant filtered out can be attached to the filtering of air purifier
In module, as air purifier uses the growth of time, the filter efficiency of air purifier will be reduced, so, air is net
The filtering module for changing device needs regularly to clean or replace.
In the prior art, it is typically all to be carried out by the way of the time using accumulative use that the cleaning or replacement of filtering module, which are reminded,
It reminds, user's cleaning or replacement filtering module is reminded when adding up to reach setting value using the time, still, when using accumulative use
Between mode remind cleaning or replace filtering module mode cannot really reflect filtering module whether need clean or replace,
Such as: the use environment of an air purifier is relatively preferable, and pollutant is relatively low, in this case, air cleaning
Device will issue clear or replacement prompt information after reaching the preset time using the time, and actually accompanying by filtering module
Pollutant it is seldom, the purification efficiency of filtering module really drops to the degree for needing to clean or replace not yet；If air
The environment that clarifier uses is hated bad, and filtering module is adhering to a large amount of pollutants.And do not reached using the time default
Value continues to use air purifier not only without the effect of purification air in this case, will cause the secondary of air instead
Pollution.
Summary of the invention
In view of this, an embodiment of the present invention is intended to provide the methods and air cleaning of a kind of prompt of strainer filtering efficient state
Device can detect the purification efficiency of air purifier in real time, can show air purifier filter efficiency state in real time, when
After clean-up effect is not achieved in the purification efficiency of air purifier, cleaning is issued the user with automatically or replaces the prompt letter of filtering module
Breath.
In order to achieve the above objectives, described the embodiment of the invention provides a kind of method of strainer filtering efficient state prompt
Method includes:
Detect the pollutant concentration of strainer air intake and the pollutant concentration of strainer outlet air end；
The purification efficiency of strainer is calculated according to the pollutant concentration of the air intake and the pollutant concentration of the outlet air end
Value；
The purification efficiency value is compared with preset threshold, determines comparison result；
According to the comparison result, strainer filtering condition prompting information is exported.
It is described to be calculated according to the pollutant concentration of the air intake and the pollutant concentration of the outlet air end in the above method
The purification efficiency value of strainer, comprising:
The pollutant concentration of the pollutant concentration of the air intake and the outlet air end is made into difference or is divided by, by difference or quotient
Value is determined as the purification efficiency value of strainer.
It is described to be compared the purification efficiency value with preset threshold in the above method, determine comparison result, comprising:
When the purification efficiency value is less than preset threshold, the comparison result of strainer filtering low efficiency is determined；
When the purification efficiency value is more than or equal to preset threshold, the normal comparison result of strainer filtering efficiency is determined.
It is described according to the comparison result in the above method, export strainer filtering condition prompting information, comprising:
When the comparison result that the comparison result is strainer filtering low efficiency, the low prompt letter of output strainer filtering state
Breath；
When the comparison result is the normal comparison result of strainer filtering efficiency, output strainer filtering state is normally prompted
Information.
It is described to be calculated according to the pollutant concentration of the air intake and the pollutant concentration of the outlet air end in the above method
The purification efficiency value of strainer, comprising:
Within a preset time period, the data of the pollutant concentration of multiple groups air intake and the pollutant concentration of outlet air end are obtained
Afterwards, the pollutant concentration of the air intake of each group of data and the pollutant concentration of outlet air end are successively made into difference or are divided by, determined each
The purification efficiency value of group data；
The average value for calculating the purification efficiency value of each group of data is imitated average value calculated as the purification of strainer
Rate value.
The embodiment of the invention provides a kind of air purifiers, comprising:
Pollutant concentration detection module, for detecting the pollutant concentration of strainer air intake and the pollutant of strainer outlet air end
Concentration；
Computing module, for calculating filter according to the pollutant concentration of the air intake and the pollutant concentration of the outlet air end
The purification efficiency value of net；
Contrast module determines comparison result for the purification efficiency value to be compared with preset threshold；
Cue module, for exporting strainer filtering condition prompting information according to the comparison result.
In above-mentioned air purifier, the computing module is specifically used for: by the pollutant concentration of the air intake with it is described
The pollutant concentration of outlet air end makees difference or is divided by, and difference or quotient are determined as to the purification efficiency value of strainer.
In above-mentioned air purifier, the contrast module is specifically used for: when the purification efficiency value is less than preset threshold,
Determine the comparison result of strainer filtering low efficiency；
When the purification efficiency value is more than or equal to preset threshold, the normal comparison result of strainer filtering efficiency is determined.
In above-mentioned air purifier, the cue module is specifically used for:
When the comparison result that the comparison result is strainer filtering low efficiency, the low prompt letter of output strainer filtering state
Breath；
When the comparison result is the normal comparison result of strainer filtering efficiency, output strainer filtering state is normally prompted
Information.
In above-mentioned air purifier, the computing module is also used to: within a preset time period, obtaining multiple groups air intake
After the data of pollutant concentration and the pollutant concentration of outlet air end, successively by the pollutant concentration of the air intake of each group of data and out
The pollutant concentration at wind end makees difference or is divided by, and determines the purification efficiency value of each group of data；Calculate the purification of each group of data
The average value of efficiency value, using average value calculated as the purification efficiency value of strainer.
The method and air purifier of a kind of strainer filtering efficient state prompt provided in an embodiment of the present invention, detect strainer
The pollutant concentration of air intake and the pollutant concentration of strainer outlet air end；According to the pollutant concentration of the air intake and it is described go out
The pollutant concentration at wind end calculates the purification efficiency value of strainer；The purification efficiency value is compared with preset threshold, is determined
Comparison result out；According to the comparison result, strainer filtering condition prompting information is exported.In this way, can effectively detect in real time
The purification efficiency of air purifier issues the user with cleaning or replacement filtering module after purification efficiency declines to a certain extent
Prompt information.
Detailed description of the invention
Fig. 1 is the flow diagram of the method for strainer filtering of embodiment of the present invention efficient state prompt；
Fig. 2 is the structural schematic diagram of air purifier of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of air purifier of the embodiment of the present invention in practical applications.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described in further detail the present invention again.
Fig. 1 is the flow diagram of the method for strainer filtering of embodiment of the present invention efficient state prompt, as shown in Figure 1, this
Inventive embodiments strainer filtering efficient state prompt method process the following steps are included:
Step 101: the pollutant concentration of detection strainer air intake and the pollutant concentration of strainer outlet air end；
Wherein, using strainer 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 actual needs
It is configured；The period for measuring the pollutant concentration of strainer air intake and the pollutant concentration of strainer outlet air end can be according to reality
Border demand is configured, such as is switched in 20 minutes run after ten minutes or in 10 minutes after continuous operation 30 minutes；
The pollutant concentration detection module can be fine particle (PM2.5) detection sensor, concentration of formaldehyde detection passes
Sensor, volatile organic compounds (VOC, Volatile Organic Compounds) detection sensor etc..
Step 102: strainer is calculated according to the pollutant concentration of the air intake and the pollutant concentration of the outlet air end
Purification efficiency value；
Wherein, the air intake pollutant concentration is made into difference with outlet air end pollutant concentration or be divided by, determine strainer
Purification efficiency value；
In practical applications, the purification efficiency value of the strainer can be presented as percent value or difference, and such as 80% indicates
80% pollutant concentration or difference 30 in air, which can be purified, indicates air cleaning amount, and the percent value or difference are bigger,
Show that purification efficiency is higher.The preset threshold value can be adjusted according to the air intake pollutant concentration, such as when air inlet
When end pollutant concentration is 200, the threshold value is set as 100, when air intake pollutant concentration is 100, by the threshold value
It is set as 50, and so on.
Step 103: the purification efficiency value being compared with preset threshold, determines comparison result；
Wherein, when the purification efficiency value is less than preset threshold, the comparison result of strainer filtering low efficiency is determined；When
When the purification efficiency value is more than or equal to preset threshold, the normal comparison result of strainer filtering efficiency is determined；
Further, the preset threshold can be set to fixed numerical value, or dense according to the pollutant of the air intake
At least one corresponding threshold value is arranged in degree；
Wherein, the threshold of the pollutant concentration of the air intake is corresponded to according to the setting of the pollutant concentration of different air intakes
Value, wherein the setting of the threshold value is reduced with the reduction of the pollutant concentration of air intake, or with air intake pollutant concentration
It increases and increases.
Step 104: according to the comparison result, exporting strainer filtering condition prompting information.
Wherein, when the comparison result that the comparison result is strainer filtering low efficiency, strainer filtering state is low mentions for output
Show information；
When the comparison result is the normal comparison result of strainer filtering efficiency, output strainer filtering state is normally prompted
Information.
In practical applications, the prompt information of the strainer filtering low efficiency can pass through the display surface on air purifier
The modes such as plate is shown, indicator light flashes, the push of APP message remind user to clean or replace filtering module.
Fig. 2 is the structural schematic diagram 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 the pollutant concentration of strainer air intake and the dirt of strainer outlet air end
Contaminate object concentration；
Computing module 202, based on according to the pollutant concentration of the air intake and the pollutant concentration of the outlet air end
Calculate the purification efficiency value of strainer；
Contrast module 203 determines comparison result for the purification efficiency value to be compared with preset threshold；
Cue module 204, for exporting strainer filtering condition prompting information according to the comparison result；
Wherein, the computing module 202 is specifically used for: by the dirt of the pollutant concentration of the air intake and the outlet air end
Dye object concentration makees difference or is divided by, and difference or quotient are determined as to the purification efficiency value of strainer；
The contrast module 203 is specifically used for:
When the purification efficiency value is less than preset threshold, the comparison result of strainer filtering low efficiency is determined；
When the purification efficiency value is more than or equal to preset threshold, the normal comparison result of strainer filtering efficiency is determined.
The cue module 204 is specifically used for:
When the comparison result that the comparison result is strainer filtering low efficiency, the low prompt letter of output strainer filtering state
Breath；
When the comparison result is the normal comparison result of strainer filtering efficiency, output strainer filtering state is normally prompted
Information.
The computing module 202 is also used to: within a preset time period, being obtained the pollutant concentration of multiple groups air intake and is gone out
It is successively that the pollutant of the pollutant concentration of the air intake of each group of data and outlet air end is dense after the data of the pollutant concentration at wind end
Degree makees difference or is divided by, and determines the purification efficiency value of each group of data；The average value of the purification efficiency value of each group of data is calculated,
Using average value calculated as the purification efficiency value of strainer.
In practical applications, the computing module 202, contrast module 203, cue module 204 can be by being located at air cleaning
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) it realizes.
It should be noted that the realization function of each module can refer to the associated description of reminding method in earlier figures 1 and understand,
Which is not described herein again.
The method to the prompt of strainer filtering efficient state of the embodiment of the present invention and the structure of air purifier carry out below
It is described in detail.
Fig. 3 is the structural schematic diagram of the method practical application of strainer filtering of embodiment of the present invention efficient state prompt, such as Fig. 3
Shown, the application of the embodiment of the present invention in practice includes:
Air intake pollutant concentration detection module 301, outlet air end pollutant concentration detection module 303, calculates strainer 302
Module 304, contrast module 305 and cue module 306；Wherein,
After air purifier is started to work, 301 He of pollutant concentration detection module of air purifier air intake setting
Outlet air end pollutant concentration detection module 303 at least detects a data or multiple data within a preset time period, will obtain
Pollutant concentration data be sent to computing module 304, strainer is calculated according to the pollutant concentration of air intake and outlet air end
Purification efficiency, after contrast module 305 sets a threshold value or determines a threshold value according to the pollutant concentration of air intake, by institute
It states purification efficiency and the threshold value of the setting compares, if purification efficiency is less than the preset threshold value, show to enter the wind
The pollutant at end is not intercepted effectively, strainer cannot effective filtering contaminants, at this point, cue module 306 issues clearly
Wash or replace the signal of strainer.
It is that PM2.5 detection module example proposes strainer filtering efficient state of the embodiment of the present invention with pollutant concentration detection module
The method shown is described in detail.
Assuming that it is 35 that the PM2.5 of air purifier, which reminds threshold value, detection time is set as 30 minutes, it is assumed that in air cleaning
In certain 30 minutes of device booting operation, it is 150 that detection, which obtains air intake PM2.5 value, and the PM2.5 value of outlet air end is 120, and it is poor to calculate
Value are as follows: 150-120=30, the difference 30 are less than preset prompting threshold value 35, show that the pollutant of air intake is not effective
It intercepts, then issue cleaning or replaces the prompt information of strainer；In order to avoid false alert, multiple groups air inlet can be measured in 30 minutes
The difference for calculating the every group of data obtained is carried out arithmetic mean, after arithmetic average by the pollutant concentration at end and outlet air end
Purification efficiency value of the difference as strainer；
Wherein, different prompting threshold values can be set in different air intake pollutant concentrations, such as: air intake PM2.5 numerical value
When greater than 150, threshold value will be reminded to be set as 50；When air intake PM2.5 numerical value is 70 to 150, threshold value will be reminded to be set as 35；
When air intake PM2.5 numerical value is less than 70, threshold value will be reminded to be set as 15.
In conclusion the pollutant concentration of detection strainer air intake and the pollutant concentration of strainer outlet air end；According to described
The pollutant concentration of air intake and the pollutant concentration of the outlet air end calculate the purification efficiency value of strainer；By the purification efficiency
Value is compared with preset threshold, determines comparison result；According to the comparison result, strainer filtering condition prompting letter is exported
Breath.In this way, the purification efficiency of air purifier can be effectively detected and monitored in real time in air purifier operational process, when
After purification efficiency drops to the state for needing to clean or replace, the prompt information of cleaning or replacement filtering module is issued.
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 method of strainer filtering efficient state prompt, which is characterized in that the described method includes:
Detect the pollutant concentration of strainer air intake and the pollutant concentration of strainer outlet air end；
The purification efficiency value of strainer is calculated according to the pollutant concentration of the air intake and the pollutant concentration of the outlet air end；
The purification efficiency value is compared with preset threshold, determines comparison result, the setting of the threshold value is with air intake
The reduction of pollutant concentration and reduce, or with air intake pollutant concentration raising and increase；
According to the comparison result, strainer filtering condition prompting information is exported, the strainer filtering condition prompting information includes clear
Wash or replace the prompt information of filtering module.
2. the method according to claim 1, wherein the pollutant concentration according to the air intake and described
The pollutant concentration of outlet air end calculates the purification efficiency value of strainer, comprising:
The pollutant concentration of the pollutant concentration of the air intake and the outlet air end is made into difference or is divided by, difference or quotient is true
It is set to the purification efficiency value of strainer.
3. the method according to claim 1, wherein described compare the purification efficiency value with preset threshold
Compared with determining comparison result, comprising:
When the purification efficiency value is less than preset threshold, the comparison result of strainer filtering low efficiency is determined；
When the purification efficiency value is more than or equal to preset threshold, the normal comparison result of strainer filtering efficiency is determined.
4. method according to claim 1 or 3, which is characterized in that it is described according to the comparison result, export strainer filtering
Condition prompting information, comprising:
When the comparison result that the comparison result is strainer filtering low efficiency, the low prompt information of output strainer filtering state；
When the comparison result is the normal comparison result of strainer filtering efficiency, output strainer filtering state normally prompts to believe
Breath.
5. method according to claim 1 or 2, which is characterized in that the pollutant concentration according to the air intake and
The pollutant concentration of the outlet air end calculates the purification efficiency value of strainer, comprising:
Within a preset time period, after the data for obtaining the pollutant concentration of multiple groups air intake and the pollutant concentration of outlet air end,
The pollutant concentration of the air intake of each group of data and the pollutant concentration of outlet air end are successively made into difference or are divided by, determines each group number
According to purification efficiency value；
The average value for calculating the purification efficiency value of each group of data, using average value calculated as the purification efficiency of strainer
Value.
6. a kind of air purifier, which is characterized in that the air purifier includes:
Pollutant concentration detection module, for detect strainer air intake pollutant concentration and strainer outlet air end pollutant it is dense
Degree；
Computing module, for calculating strainer according to the pollutant concentration of the air intake and the pollutant concentration of the outlet air end
Purification efficiency value；
Contrast module determines comparison result, the threshold value is set for the purification efficiency value to be compared with preset threshold
The fixed reduction with the pollutant concentration of air intake and reduce, or with air intake pollutant concentration raising and increase；
Cue module, for exporting strainer filtering condition prompting information according to the comparison result, the strainer filtering state is mentioned
Show that information includes the prompt information of cleaning or replacement filtering module.
7. air purifier according to claim 6, which is characterized in that the computing module is specifically used for: will it is described into
The pollutant concentration at wind end and the pollutant concentration of the outlet air end make difference or are divided by, and difference or quotient are determined as the net of strainer
Change efficiency value.
8. air purifier according to claim 6, which is characterized in that the contrast module is specifically used for:
When the purification efficiency value is less than preset threshold, the comparison result of strainer filtering low efficiency is determined；
When the purification efficiency value is more than or equal to preset threshold, the normal comparison result of strainer filtering efficiency is determined.
9. air purifier according to claim 8, which is characterized in that the cue module is specifically used for:
When the comparison result that the comparison result is strainer filtering low efficiency, the low prompt information of output strainer filtering state；
When the comparison result is the normal comparison result of strainer filtering efficiency, output strainer filtering state normally prompts to believe
Breath.
10. according to the described in any item air purifiers of claim 6-9, which is characterized in that the computing module is also used to:
In the preset period, after the data for obtaining the pollutant concentration of multiple groups air intake and the pollutant concentration of outlet air end, successively will
The pollutant concentration of the air intake of each group of data and the pollutant concentration of outlet air end make difference or are divided by, and determine the net of each group of data
Change efficiency value；
The average value for calculating the purification efficiency value of each group of data, using average value calculated as the purification efficiency of strainer
Value.
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| CN108204654A (en) * | 2017-12-27 | 2018-06-26 | 青岛海信日立空调系统有限公司 | A kind of air processor and its control method |
| 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 |
| 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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| CN109489203A (en) * | 2018-11-13 | 2019-03-19 | 科希曼电器有限公司 | A kind of intelligent air condition management method and device based on air quality monitoring |
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| CN110529976A (en) * | 2019-08-22 | 2019-12-03 | 深圳和而泰家居在线网络科技有限公司 | Air cleaning facility filter screen life detecting method, device, system and equipment |
| WO2021082372A1 (en) * | 2019-10-28 | 2021-05-06 | 南京长三角绿色发展研究院有限公司 | Purification efficiency risk identification and filter screen reset reminding system and method for air purification device |
| CN111023442A (en) * | 2019-11-05 | 2020-04-17 | 南京大学 | Air purification equipment purification efficiency risk identification and filter screen resetting reminding system and method |
| CN111649400B (en) * | 2020-05-12 | 2021-12-10 | 宁波奥克斯电气股份有限公司 | Control method and device of air purification assembly and air conditioner |
| CN111701523B (en) * | 2020-06-28 | 2022-06-14 | 中国兵器装备集团自动化研究所 | Kneading safety transmission device |
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