CN109373512A - A kind of Household Air Purifier strainer particle adds up the detection method of purge amount - Google Patents
A kind of Household Air Purifier strainer particle adds up the detection method of purge amount Download PDFInfo
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- CN109373512A CN109373512A CN201811097781.5A CN201811097781A CN109373512A CN 109373512 A CN109373512 A CN 109373512A CN 201811097781 A CN201811097781 A CN 201811097781A CN 109373512 A CN109373512 A CN 109373512A
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- Prior art keywords
- strainer
- purge amount
- particle
- air purifier
- photo resistance
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/39—Monitoring filter performance
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The present invention discloses a kind of detection method of accumulative purge amount of Household Air Purifier strainer particle.Add up the correlation between purge amount according to strainer inner space illumination and strainer particle, construct a kind of detection method of accumulative purge amount of new Household Air Purifier strainer particle, it can judge that the particle of air purifier strainer adds up purge amount based on brightness value on the inside of strainer, optical illuminance signal is converted to the resistance signal of electricity, and signal alarm is carried out to remind user to replace strainer, so that the clean-up effect of air purifier be made to be optimal.Secondary pollution caused by clarifier strainer dust stratification fugitive dust is avoided, ensure that indoor air quality.A possibility that accurate, timely, low cost that this detection method has many advantages, such as and large-scale promotion.
Description
Technical field
The present invention relates to air purification fields more particularly to a kind of Household Air Purifier strainer particle to add up purge amount
Detection method.
Background technique
Currently, China is that atmosphere PM2.5 pollutes one of the countries with the most serious ... in the world.It is reply outdoor air pollution to people
It is influenced caused by body health, the equipment as indoor air quality is improved, Household Air Purifier obtains more and more extensive
Using.The main function of Household Air Purifier is to remove particulate matters and the first such as indoor air pollutants, including dust, PM2.5
The pernicious gases such as aldehyde, TVOC, to effectively promote indoor air quality.Currently, most of air purifiers are used on the market
Be physics dust removal method, it is real by the suction-operated of the interception function of high efficiency particle air filter (HEPA strainer) and active carbon
Existing air cleaning.The advantage of lower cost of physics dust removal method, cleaning and replacement are more convenient, while running the safety used
It is higher.
As the core of domestic purifier, the particle of HEPA strainer, which will add up purge amount namely dust stratification amount, to be run
It is continuously increased in use process, and when dust stratification reaches certain amount, not only strainer cannot purify room air, very
Indoor pollution source may be become because generating fugitive dust.For the generation for preventing secondary pollution, guarantee indoor air quality, needs
Will the strainer to Household Air Purifier timely replaced, however in the judgment method for when replacing strainer, at present also
It there is a problem that in application and operation.What is generallyd use is duration control method, i.e., adds up purge amount according to strainer particle
Threshold limit value and the operating condition of clarifier setting are (when outdoor PM2.5 concentration, clarifier CADR value and its average daily use
Between), the maximum days running for determining air purifier setting is calculated, when the accumulative days running of air purifier reaches setting
After value, the alarm of screen replacing is carried out using count-down device.Due to different regions, the outdoor air pollution grade of Various Seasonal
To the difference of clarifier behaviour in service, duration control method is possible to cause strainer replace in advance and excessive by variation and user
The problem of use.Such as: indoor and outdoor air situation locating for certain resident is relatively preferable, then at the time of reaching replacement alarm, only
The state of efficient operation may be still in by changing device strainer, replace at this time strainer it is non-but it is not necessary to, also will cause unnecessary material
Material waste；For another example, the outdoor air pollution of certain user their location is serious or user is very frequent to air purifier use,
Before count-down device does not issue alarm signal, it has just been more than threshold limit value that the particle of strainer, which adds up purge amount, not only cannot be expired
Purification requirement of the foot to room air, also easily generates fugitive dust and causes indoor secondary pollution.Another kind is using color
Control method provides the strainer color identifier that several particulate matters add up under purge amount in clarifier, allows user to estimate
Mode is to determine whether replace strainer.In this way, frequently disassembly clarifier is on the one hand needed；On the other hand,
Ever-changing due to user's visual condition, estimating the mode of judgement, there are biggish uncertainties.The method of color control
The accurate judgement for adding up purge amount to domestic purifier strainer particulate matter is not ensured that yet.
Therefore, related Household Air Purifier strainer particle, which adds up the problem of purge amount detects, seems further important, and having must
A kind of detection method of accumulative purge amount of new Household Air Purifier strainer particle is established, to realize to domestic air purification
The timely replacement of device strainer.
Summary of the invention
The filtrate of Household Air Purifier core component HEPA strainer is usually made of ultra-fine fibre glass etc., its main feature is that
In the presence of many tiny holes, air can pass through, but tiny particle can not pass through, these fine particles are in HEPA strainer
On attachment will will affect the translucency of strainer, and change with strainer dust stratification amount.
It is an object of the invention to: for two methods of the control of current time and color control to air purifier strainer
Particle adds up the problem of upper inaccuracy of purge amount detection judgement may cause, according to strainer inner space illumination with strainer particle
Accumulative purge amount namely dust stratification amount increase and reduced correlation, construct a kind of new Household Air Purifier strainer particle
The detection method of accumulative purge amount can judge the accumulative purification of the particle of air purifier strainer based on brightness value on the inside of strainer
Optical illuminance signal is converted to the resistance signal of electricity by amount, and by signal alarm to remind user to replace strainer, thus
It is optimal the clean-up effect of air purifier.The indoor secondary for avoiding clarifier strainer dust stratification fugitive dust as a result, and causing
Pollution, ensure that indoor air quality.It is accurate, timely, inexpensive and large-scale promotion that this detection method has many advantages, such as
Possibility.
To reach goal of the invention, illuminance signal is converted to resistance signal using a kind of by the present invention, with photo resistance
Reflect Household Air Purifier strainer particle add up purge amount analyzing detecting method, the method comprise the steps of: firstly,
It chooses LED white light source and is equipped with suitable power supply, to keep the service voltage of light source to stablize；According to LED light source reselection
The photo resistance module sensitive to visible light；Strainer and matched LED light source and photo resistance module are placed in environmental chamber
In tested, the continuous variation for recording photo resistance and adding up purge amount with strainer particle；To photo resistance and filter
The data group that the particle of net adds up purge amount is fitted, and obtains photo resistance and particle adds up the relationship song of purge amount
Line；Alarm limits are set by photo resistance corresponding to air purifier strainer particle largest cumulative purge amount；It is in
With in the operation use process of air purifier, when photo resistance reaches alarm limits, air purifier starts automatically
The alert program of screen replacing.
The invention has the advantages that proposing a kind of detection side of accumulative purge amount of Household Air Purifier strainer particle
Method can add up purge amount with the particle of accurate judgement air purifier strainer, realize to the timely of air purifier screen replacing
Alarm, to guarantee the indoor air quality of residential architecture, while avoiding the waste of screen material.
Detailed description of the invention
Fig. 1 is the realization for the detection method that a kind of Household Air Purifier strainer particle according to the present invention adds up purge amount
Flow chart.
Specific embodiment
With reference to the accompanying drawing and example, purge amount is added up to a kind of Household Air Purifier strainer particle proposed by the present invention
Detection method carry out it is as described below.
A kind of implementation flow chart of the detection method of the accumulative purge amount of Household Air Purifier strainer particle, as shown in Figure 1,
Including following steps.Step S1, light source selection and matching；Step S2, light receive sensor module selection；Step S3, ring
The experiment of border cabin and reference record；Step S4, curve matching and relationship export；Step S5, alarm limits setting；Step S6, strainer
Replace alert program operation.
Wherein it is high, cheap and easy acquisition should to meet stable luminescence, light efficiency for the selection of light source described in step S1
It is required that use power for the LED white light source of 1W this, the light source after adding up purge amount through particle and being maximum strainer,
Space brightness value on the inside of strainer should be not less than 10lux, be powered simultaneously using 220V AC power source and level pressure adapter to LED light source
Supply voltage is maintained to stablize；Light described in step S2 receives sensor module, selects the photo resistance mould sensitive to visible light
The illuminance signal received to receive through the optical signal after strainer, and is converted to photo resistance and shown by block；Step
Environmental chamber described in rapid S3 should keep closed during the experiment, and environmental chamber inner surface selects the black material of antiradar reflectivity,
It is 0 that background value controls as far as possible；Curve matching described in step S4 adds up purge amount and photosensitive respectively with the particle of strainer
Resistance is as independent variable and dependent variable, and particle adds up purge amount namely dust stratification amount increases meeting so that strainer inner space shines
Degree reduces, and accordingly leads to the increase of photo resistance, accumulative net with strainer particle to each model photo resistance at this
The variation of change amount carries out curve fitting；The selection of screen replacing alarm limits described in step S5, with the state of air purifier
The particulate matter of family's prescribed by standard adds up subject to purge amount limit value, obtains particle by matched curve and adds up purge amount alarm limits
Corresponding photo resistance, and then using this photo resistance as alarm signal；Screen replacing described in step S6
Automatic alarm program is controlled by mcu programming, using photo resistance as input.
By taking some P1 grades of Household Air Purifier using HEPA strainer as an example, foregoing invention is illustrated.Firstly,
HEPA strainer is high efficiency particle air filter, to 2.5 microns of particle removals below up to 99.99%.In this regard, selecting power for 1W
White LED light source, using 220V AC voltage and 5V level pressure adapter be powered and maintenance voltage stablize；Secondly selection four
Needle photo resistance module；Selected light and photo resistance module are integrated in this air purifier, 3 cubic metres of environment are placed in
In cabin, after opening clarifier and being adjusted to specified gear, closes hatch door and open agitation fan, strainer particle is recorded in experimentation
Accumulative purge amount and corresponding photo resistance；Obtained particle is added up into purge amount and photo resistance as parameter number
According to group, data fitting is carried out using Matlab mathematical software, it is tired to obtain photo resistance and strainer particle in air purifier
The matched curve of meter purification magnitude relation；According to the P1 shelves of defined in national standard " air purifier " (GB/T18801-2015)
Air purifier particulate matter adds up the requirement that purge amount should be not less than 3000mg, as the alarm limits of screen replacing, according to
Matched curve obtains photo resistance corresponding with alarm limits；Relevant parameter is input to the control program of single-chip microcontroller
In, and inputted by single-chip microcontroller of photo resistance, compare the two difference to realize the function of screen replacing automatic alarm.
Embodiment described above is merely to illustrate the present invention, is not intended to limit the invention.Although to the present invention
Embodiment be described, those skilled in the art without departing from the principles and spirit of the present invention, can be right
This embodiment is changed, modifies, replace with deformation, the scope of the present invention is by appended claims and its equivalent limits.
Claims (7)
1. the detection method that a kind of Household Air Purifier strainer particle adds up purge amount.Characterized by comprising the following steps:
Step S1, it chooses LED white light source and is equipped with suitable power supply, to keep the service voltage of light source to stablize；
Step S2, according to LED light source reselection photo resistance module；
Step S3, strainer and matched LED light source and photo resistance module are placed in environmental chamber and are tested, it is continuous to remember
Record the variation that photo resistance adds up purge amount with strainer particle；
Step S4, the data group for adding up purge amount to the particle of photo resistance and strainer is fitted, and obtains photo resistance
Resistance value and particle add up the relation curve of purge amount；
Step S5, alarm limit is set by photo resistance corresponding to air purifier strainer particle largest cumulative purge amount
Value；
Step S6, in the operation use process of Household Air Purifier, when photo resistance reaches alarm limits, air
Clarifier starts the alert program of screen replacing automatically.
2. a kind of Household Air Purifier strainer particle as described in claim 1 adds up the detection method of purge amount, feature
It is, LED light source described in step S1 is powered using 220V AC power source, and maintains LED light source to supply using level pressure adapter
Piezoelectric voltage is stablized, and for LED light source after the strainer through different dust stratification amounts, brightness value is not less than 10lux.
3. the detection method that a kind of Household Air Purifier strainer particle as described in claim 1 adds up purge amount.Its feature
It is, photo resistance module described in step S2, selects the photo resistance module sensitive to visible light.
4. the detection method that a kind of Household Air Purifier strainer particle as described in claim 1 adds up purge amount.Its feature
It is, environmental chamber described in step S3 should keep during the experiment closed, and environmental chamber inner surface selects the black of antiradar reflectivity
Color material, it is 0 that background value controls as far as possible.
5. the detection method that a kind of Household Air Purifier strainer particle as described in claim 1 adds up purge amount.Its feature
It is, curve matching described in step S4 adds up purge amount and photo resistance as independent variable using the particle of strainer respectively
And dependent variable, it carries out curve fitting to each model photo resistance with the variation that strainer particle adds up purge amount.
6. the detection method that a kind of Household Air Purifier strainer particle as described in claim 1 adds up purge amount.Its feature
It is, the selection of screen replacing alarm limits described in step S5, adding up purge amount with air purifier particulate matter should not be low
Subject to the requirement of 3000mg, particle is obtained by matched curve and adds up the resistance of photo resistance corresponding to purge amount alarm limits
Value, and then using this photo resistance as alarm signal.
7. the detection method that a kind of Household Air Purifier strainer particle as described in claim 1 adds up purge amount.Its feature
It is, screen replacing automatic alarm program described in step S6 is controlled by mcu programming, using photo resistance as defeated
Enter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811097781.5A CN109373512A (en) | 2018-09-20 | 2018-09-20 | A kind of Household Air Purifier strainer particle adds up the detection method of purge amount |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811097781.5A CN109373512A (en) | 2018-09-20 | 2018-09-20 | A kind of Household Air Purifier strainer particle adds up the detection method of purge amount |
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| Publication Number | Publication Date |
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| CN109373512A true CN109373512A (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811097781.5A Pending CN109373512A (en) | 2018-09-20 | 2018-09-20 | A kind of Household Air Purifier strainer particle adds up the detection method of purge amount |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279034A (en) * | 2021-12-27 | 2022-04-05 | 安徽标普环境检测技术有限公司 | Indoor air quality management device and system based on big data |
| CN114674718A (en) * | 2022-05-30 | 2022-06-28 | 江苏海纳空调净化设备有限公司 | Industrial air purification device purifying effect detecting system |
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| CN104776513A (en) * | 2015-04-26 | 2015-07-15 | 中国计量学院 | Internal and external air purifier with automatic filter core replacement prompting function |
| CN106289828A (en) * | 2016-07-18 | 2017-01-04 | 北京艾瑞克林科技有限公司 | A kind of air purifier and filter detection method in service life thereof |
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Patent Citations (5)
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| KR20100012663A (en) * | 2008-07-29 | 2010-02-08 | 엘지전자 주식회사 | Air conditioner and operating method thereof |
| CN104776513A (en) * | 2015-04-26 | 2015-07-15 | 中国计量学院 | Internal and external air purifier with automatic filter core replacement prompting function |
| CN106289828A (en) * | 2016-07-18 | 2017-01-04 | 北京艾瑞克林科技有限公司 | A kind of air purifier and filter detection method in service life thereof |
| CN106442270A (en) * | 2016-11-15 | 2017-02-22 | 江苏智石科技有限公司 | Signal processing circuit based automatic monitor for dust on filter screen of air purifier |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279034A (en) * | 2021-12-27 | 2022-04-05 | 安徽标普环境检测技术有限公司 | Indoor air quality management device and system based on big data |
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Application publication date: 20190222 |