CN105842135A - Weight calculating method and data displaying method for dust - Google Patents
Weight calculating method and data displaying method for dust Download PDFInfo
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- CN105842135A CN105842135A CN201610194032.9A CN201610194032A CN105842135A CN 105842135 A CN105842135 A CN 105842135A CN 201610194032 A CN201610194032 A CN 201610194032A CN 105842135 A CN105842135 A CN 105842135A
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- 239000000428 dust Substances 0.000 title claims abstract description 174
- 238000000034 method Methods 0.000 title claims abstract description 44
- 239000002245 particle Substances 0.000 claims abstract description 73
- 238000001514 detection method Methods 0.000 claims abstract description 30
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 239000008187 granular material Substances 0.000 claims description 19
- 238000005303 weighing Methods 0.000 claims description 17
- 239000003245 coal Substances 0.000 claims description 16
- 238000005070 sampling Methods 0.000 claims description 10
- 230000003749 cleanliness Effects 0.000 claims description 3
- 238000000205 computational method Methods 0.000 claims description 3
- 230000006870 function Effects 0.000 abstract description 5
- 230000006378 damage Effects 0.000 description 4
- 230000036541 health Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002685 pulmonary effect Effects 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 208000018569 Respiratory Tract disease Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/10—Investigating individual particles
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- G01N2015/1024—
Abstract
The invention provides a weight calculating method and data displaying method for dust. The weight calculating method comprises the following steps: step 1, using the number of dust particles in a local sample per unit volume as sample data; step 2, based on the sample data obtained in the step 1, calculating the weight of all the dust with a particle size of less than or equal to 2.5 [mu]m per unit volume and recording the weight as G<PM2.5>, which satisfies the equation that G<PM2.5> = N<PM0.3-2.5> * k1, wherein k1 is a conversion coefficient and is equal to 1.5 * 10<-7>; and step 3, based on the sample data obtained in the step 1, calculating the weight of all the dust with a particle size of less than or equal to 10 [mu]m per unit volume and recording the weight as G<PM10>, which satisfies the equation that G<PM10> = N<PM2.5-2.5> * k2 + G<PM2.5>, wherein k2 is a conversion coefficient and is equal to 0.8 * 10<-4>; The invention also comprises the data displaying method for dust. The weight calculating method and data displaying method provided by the invention can achieve the two functions of counting and weight calculation and are applicable to weight calculation and detection of dust in all parts of China; and compared with conventional single displaying in a counting mode, the weight calculating method and data displaying method can further facilitate a user in understanding of air quality in different environments.
Description
Technical field
The present invention relates to dust detection technique field, the meter weighing method of a kind of dust and data display method.
Background technology
Along with modern society's cognition to importance of health and the deterioration of objective environment so that people are increasing to the needs of health-oriented products, it is desirable to more and more higher.It is known that, along with industrialization and the sharp increase of automobile, air pollution is increasingly severe, and haze weather gets more and more, the dust granules pollutant comprised in haze seriously damage the health of people, and the injury caused child, old man and respiratory tract disease crowd especially becomes apparent from.
Wherein, in dust granules thing, PM2.5 ~ 10 be referred to as coarseparticulate, it is possible to be referred to as inhalable particles, may pass through nose laryngeal respiration barrier enter pulmonary, PM2.5 hereinafter referred to as fine particle, less than the cell of people, pulmonary and blood, the least more harm people can be directly entered.PM2.5, essentially from power station, factory, the waste gas of automobile, wherein contains heavy metal, is attached on particulate matter, is deposited on and internal cannot be discharged by metabolism, is the main contributor of cancer.
As can be seen here, dust granules creates serious harm to the health of people, needs badly and a kind of is specifically designed for the detecting instrument that air quality carries out tackling.The existing expression to dust concentration divides two kinds of methods, and a kind of granule number with unit volume dust in air represents, i.e. counts representation；Another kind represents with the weight of unit volume dust in air, i.e. meter weight representation.The detection of dust is the most only shown by existing air detection instrument by count mode, because counting fairly simple, only being achieved that by dust sensor, but only show, by count mode, the dustiness that user can not be allowed to have full knowledge that neighbouring dust, function is the most single.It addition, existing meter weight representation is typically dust by certain particle size range classification, weight at different levels of then weighing, its particle diameter is asked to be distributed, but this method of testing can only use in certain condition, certain particle size range, be not suitable for the use of all parts of the country, poor universality.
Summary of the invention
It is an object of the invention to overcome the above-mentioned deficiency of prior art to provide meter weighing method and the data display method of the dust of a kind of highly versatile, it is possible to realize counting simultaneously and meter weighs two kinds of functions.
The technical scheme is that
The meter weighing method of a kind of dust of the present invention, comprises the following steps:
Step 1, dust the numerical value in sampling Local Units volume carries out classification according to particle diameter 0.3-2.5 μm, 2.5-10 μm and the above these three of 10 μm as sample data, dust numerical value, is designated as N respectivelyPM0.3-2.5、NPM2.5-10And NPM10 Above；
Step 2, sample data based on step 1 gained, in unit of account volume, particle diameter is less than or equal to all dust weight of 2.5 μm, is designated as GPM2.5, computing formula is as follows: GPM2.5=
NPM0.3-2.5×k1, wherein k1For conversion coefficient, k1=1.5×10-7；
Step 3, sample data based on step 1 gained, in unit of account volume, particle diameter is less than or equal to all dust weight of 10 μm, is designated as GPM10, computing formula is as follows: GPM10=
NPM2.5-10×k2+ GPM2.5, wherein k2For conversion coefficient, k2=0.8×10-4。
Further, the computational methods of described conversion coefficient are:
The dust of sampling PM0.3-2.5, the most every 100,000 acquisition gross weights are 15 μ g, are calculated k in unit volume1=1.5×10-7；
The dust of sampling PM2.5-10, the most every 1000 acquisition gross weights are 8 μ g, are calculated k in unit volume2=0.8×10-4。
Further, also include step 4, dust the numeric weights of all different-grain diameters in same kind dust granules is converted into dust the numerical value of same particle diameter.
Further, the dust that particle diameter in same kind dust granules is 2.5 μm is weighted respectively with the dust that particle diameter is 10 μm, it is indicated by the dust number that particle diameter is 0.3 μm, conversion coefficient is respectively 100 and 1000, i.e. with in kind dust granules, the volume of each particle diameter 2.5 μm dust is equivalent to the volume of 100 particle diameter 0.3 μm dust, and the volume of each particle diameter 10 μm dust is equivalent to the volume of 1000 particle diameter 0.3 μm dust.
The data display method of a kind of dust of the present invention, comprises the following steps:
(1) obtaining Dust data measuring on Coal Faces, Dust data measuring on Coal Faces includes counting and meter weight both of which, and the detection data of described meter molality formula are obtained by the meter weighing method of dust described in any one of claim 1 ~ 4；
(2) described Dust data measuring on Coal Faces is shown.
Further, described Dust data measuring on Coal Faces shows with the form of numeral and/or scroll bar.
Further, described count mode is respectively to PM0.3-2.5, PM2.5-10
And more than PM10 these three dust counts；Described meter molality formula carries out meter weight less than or equal to 2.5 μm and all particle diameters less than or equal to 10 μm both dust to all particle diameters respectively.
Further, the described Dust data measuring on Coal Faces carrying out showing with the form of scroll bar is to be indicated with the dust number that particle diameter is 0.3 μm for conversion target, conversion method is: be weighted respectively with the dust that particle diameter is 10 μm by the dust that particle diameter in same kind dust granules is 2.5 μm, it is indicated by the dust number that particle diameter is 0.3 μm, conversion coefficient is respectively 100 and 1000, i.e. with in kind dust granules, the volume of each particle diameter 2.5 μm dust is equivalent to the volume of 100 particle diameter 0.3 μm dust, the volume of each particle diameter 10 μm dust is equivalent to the volume of 1000 particle diameter 0.3 μm dust.
Further, described scroll bar includes pollution-free area, intermediate pollution district and region, three, serious pollution district, is pointed out the cleanliness factor of user's air quality by the region indicated by scroll bar.
Further, the display standard of described pollution-free area is 0 ~ 100,000/L, and the display standard in intermediate pollution district is 10 ~ 200,000/L, and the display standard in serious pollution district is 200,000 with last/L.
Beneficial effects of the present invention: one aspect of the present invention can realize counting simultaneously and meter weighs two kinds of functions, thus improves the accuracy of dust detection, compare existing single show with count mode for, it is possible to allow user have full knowledge that the dustiness of neighbouring dust；, it is adaptable to dust gauge re-detection in all parts of the country, and further facilitate user and understand the air quality under varying environment on the other hand.
Accompanying drawing explanation
Fig. 1 is the flow chart of embodiment of the present invention dust gauge weighing method；
Fig. 2 is the flow chart of embodiment of the present invention dust data display method.
Detailed description of the invention
Below with reference to Figure of description and specific embodiment, the present invention is described in further details.
Fig. 1 is the flow chart according to a kind of dust gauge weighing method shown in the present embodiment, and this dust gauge weighing method comprises the following steps:
S101: dust the numerical value in sampling Local Units volume is as sample data.
Particularly as follows: dust numerical value carries out classification according to particle diameter 0.3-2.5 μm, 2.5-10 μm and the above these three of 10 μm, it is designated as N respectivelyPM0.3-2.5、NPM2.5-10And NPM10 Above。
S102: sample data based on S101 gained, unit of account particle volume diameter, less than or equal to all dust weight of 2.5 μm, is designated as GPM2.5, computing formula is as follows: GPM2.5= NPM0.3-2.5×k1, wherein k1For conversion coefficient, k1=1.5×10-7；
S103, sample data based on S101 gained, unit of account particle volume diameter, less than or equal to all dust weight of 10 μm, is designated as GPM10, computing formula is as follows: GPM10= NPM2.5-10×k2+ GPM2.5, wherein k2For conversion coefficient, k2=0.8×10-4。
In sum, the dust gauge weighing method that the present embodiment is provided, by dust is pressed certain particle size range classification, and make the dust number in the Local Units volume that detection obtains be multiplied with conversion coefficient, this conversion coefficient is to be compared by dust numerical value meter actual with the locality weight values that detection is in all parts of the country, draw the scaled value of locality, again all for all parts of the country scaled value data are averaged and obtain, thus be applicable to the dust gauge re-detection of all parts of the country, and further facilitate the air quality under user understanding varying environment.
Wherein, according to the computational methods specifically sampled that get of above-mentioned conversion coefficient it is:
The dust of sampling PM0.3-2.5, the most every 100,000 acquisition gross weights are 15 μ g, are calculated k in unit volume1=1.5×10-7；
The dust of sampling PM2.5-10, the most every 1000 acquisition gross weights are 8 μ g, are calculated k in unit volume2=0.8×10-4。
The dust of sampling more than PM10, the most every 10 acquisition gross weights are 15 μ g.
The volume unit of above-mentioned dust numerical value is identical with the volume unit of dust weight.
For the ease of the data of detection are shown on a display screen, especially for the instruction facilitating scroll bar when saving screen display space or show with scroll bar form, need dust the numerical value of all different-grain diameters in same kind dust granules is converted into dust the numerical value of same particle diameter, be i.e. weighted.The dust that particle diameter in same kind dust granules is 2.5 μm is weighted respectively by such as the present embodiment with the dust that particle diameter is 10 μm, it is indicated by the dust number that particle diameter is 0.3 μm, conversion coefficient is respectively 100 and 1000, it is because in same kind dust granules, the volume of each particle diameter 2.5 μm dust is equivalent to the volume of 100 particle diameter 0.3 μm dust, the volume of each particle diameter 10 μm dust is equivalent to the volume of 1000 particle diameter 0.3 μm dust, thus realize showing with the dust number that particle diameter in unit are is 0.3 μm, not only save screen display space, also facilitate the instruction of scroll bar.It is understood that above conversion target is only the preferred embodiments of the present invention, the dust number that the present embodiment can also be converted into so that particle diameter in unit are is 2.5 μm carries out display etc., and this is not construed as limiting by the present embodiment.
Fig. 2 is the flow chart according to a kind of dust data display method shown in another embodiment, this dust data display method is applied in electronic equipment, this electronic equipment can be smart mobile phone, panel computer, intelligent television, E-book reader and desk computer etc., handset structure can also be analogous to, light and handy and be easy to instrument that is hand-held and that carry.
This dust data display method comprises the following steps:
S201: obtain Dust data measuring on Coal Faces, Dust data measuring on Coal Faces includes counting and meter weight both of which.Wherein the detection data of this meter molality formula are obtained by aforesaid dust gauge weighing method.
S202: described Dust data measuring on Coal Faces is shown.
In sum, the dust data display method that the present embodiment is provided, counting can be realized simultaneously and meter weighs two kinds of functions, thus improve the accuracy of dust detection, compare existing single show with count mode for, user can be allowed to have full knowledge that the dustiness of neighbouring dust, and the pollution to dust has further understanding.
It is specifically described as a example by environment detector below.The environment detector of the present embodiment is handset structure, light and handy and be easy to hand-held and carry, and this instrument includes the host housing being sequentially connected with, supports seat and display screen, and the inner chamber of host housing is provided with air detection module and rechargeable battery；The side of host housing is provided with the air intake duct that air can be made to lead to host housing inner chamber.Air detection module includes dust sensor, and dust sensor is for detecting the concentration of dust, and in the present embodiment, the measurement scope of dust sensor is 0～9000000/liter, mainly include PM0.3 PM2.5 the detection of PM10.Dust data measuring on Coal Faces can show detected value the most on a display screen, it is also possible to is that other form shows, as scroll bar or scroll bar show with detected value combination, this is not construed as limiting by the present invention.Preferably, the form that each air quality data of the present embodiment detection all combines with scroll bar and detected value shows.The Concentration Testing value of the present embodiment dust is shown by counting and meter weight both of which, and PM0.3-2.5, PM2.5-10 and more than PM10 these three dust are counted by count mode respectively；Meter molality formula carries out meter weight less than or equal to 2.5 μm and all particle diameters less than or equal to 10 μm both dust to all particle diameters respectively.Digit in the present embodiment is individual/liter (L), and meter weight unit is microgram/cubic meter (μ g/m3)；Then the show value of PM0.3-2.5 is 659696, and the show value of PM2.5-10 is 1160, and the show value of more than PM10 is 50, according to aforesaid dust gauge weighing method, corresponding GPM2.5It is 99, GPM10It is 191, the heavily round off of the meter of the present embodiment, disregard decimal.
Scroll bar is used for indicating the dust concentration warning value of measurement, the Dust data measuring on Coal Faces of display is to be indicated with the dust number that particle diameter is 0.3 μm for conversion target, conversion method is: be weighted respectively with the dust that particle diameter is 10 μm by the dust that particle diameter in same kind dust granules is 2.5 μm, it is indicated by the dust number that particle diameter is 0.3 μm, conversion coefficient is respectively 100 and 1000, i.e. with in kind dust granules, the volume of each particle diameter 2.5 μm dust is equivalent to the volume of 100 particle diameter 0.3 μm dust, the volume of each particle diameter 10 μm dust is equivalent to the volume of 1000 particle diameter 0.3 μm dust.Corresponding relation according to the number of PM0.3 in acquired unit volume with display standard, it is judged that the quality of air, points out the cleanliness factor of user's air quality by the region indicated by scroll bar.Wherein, the region indicated by scroll bar includes pollution-free area, intermediate pollution district and serious pollution district, and general employing color indicates, pollution-free area uses green, for normal range, intermediate pollution district employing yellow, for the scope of exceeding standard, serious pollution district uses redness, for severe overweight.Above-mentioned display standard is particularly as follows: the display standard of pollution-free area is 0 ~ 100,000/L, and the display standard in intermediate pollution district is 10 ~ 200,000/L, and the display standard in serious pollution district is 200,000 with last/L.It is understood that above-mentioned display standard, conversion target etc. are only the preferred embodiments of the present invention, this is not construed as limiting by the present embodiment.
The acquisition mode of Dust data measuring on Coal Faces is by the present embodiment employing environment detector:
Detection mode can divide manually and automatically detection:
As clicked on " detection at once " button detection data, click on " dust " detection button, after 35 seconds, complete test, click on " stopping immediately " and then stop detection and show last detection numerical value.
Automatically detection is then timing detection every day, and the detection time is arranged in " the automatic assay intervals of dust ": every day detects 1,2,
4 times, the detection time can arbitrarily be arranged.
It is understood that a specific embodiment of the above-mentioned simply present invention, this is not construed as limiting by the present invention, as button name, testing time, interval time arrange and other title or time can also be used to set, it is also possible to be detection in real time.
These are only the preferred embodiments of the present invention, be not limited to the present invention, it is clear that those skilled in the art can carry out various change, modification without departing from the spirit and scope of the present invention to the present invention.If these amendments and modification to the present invention belong within the scope of the claims in the present invention and equivalent technologies thereof, belong to protection scope of the present invention.
Claims (9)
1. the meter weighing method of a dust, it is characterised in that comprise the following steps:
Step 1, dust the numerical value in sampling Local Units volume carries out classification according to particle diameter 0.3-2.5 μm, 2.5-10 μm and the above these three of 10 μm as sample data, dust numerical value, is designated as N respectivelyPM0.3-2.5、NPM2.5-10And NPM10 Above；
Step 2, sample data based on step 1 gained, in unit of account volume, particle diameter is less than or equal to all dust weight of 2.5 μm, is designated as GPM2.5, computing formula is as follows: GPM2.5= NPM0.3-2.5×k1, wherein k1For conversion coefficient, k1=1.5×10-7；
Step 3, sample data based on step 1 gained, in unit of account volume, particle diameter is less than or equal to all dust weight of 10 μm, is designated as GPM10, computing formula is as follows: GPM10= NPM2.5-10×k2+ GPM2.5, wherein k2For conversion coefficient, k2=0.8×10-4。
The meter weighing method of dust the most according to claim 1, it is characterised in that the computational methods of described conversion coefficient are:
The dust of sampling PM0.3-2.5, the most every 100,000 acquisition gross weights are 15 μ g, are calculated k in unit volume1=1.5×10-7；
The dust of sampling PM2.5-10, the most every 1000 acquisition gross weights are 8 μ g, are calculated k in unit volume2=0.8×10-4。
The meter weighing method of dust the most according to claim 1 or claim 2, it is characterised in that also include step 4, is converted into dust the numerical value of same particle diameter by dust the numeric weights of all different-grain diameters in same kind dust granules.
The meter weighing method of dust the most according to claim 3, it is characterized in that, the dust that particle diameter in same kind dust granules is 2.5 μm is weighted respectively with the dust that particle diameter is 10 μm, it is indicated by the dust number that particle diameter is 0.3 μm, conversion coefficient is respectively 100 and 1000, i.e. with in kind dust granules, the volume of each particle diameter 2.5 μm dust is equivalent to the volume of 100 particle diameter 0.3 μm dust, and the volume of each particle diameter 10 μm dust is equivalent to the volume of 1000 particle diameter 0.3 μm dust.
5. the data display method of a dust, it is characterised in that comprise the following steps:
(1) obtaining Dust data measuring on Coal Faces, Dust data measuring on Coal Faces includes counting and meter weight both of which, and the detection data of described meter molality formula are obtained by the meter weighing method of dust described in any one of claim 1 ~ 4；
(2) described Dust data measuring on Coal Faces is shown.
The data display method of dust the most according to claim 5, it is characterised in that described Dust data measuring on Coal Faces shows with the form of numeral and/or scroll bar.
7. according to the data display method of dust described in claim 5 or 6, it is characterised in that PM0.3-2.5, PM2.5-10 and more than PM10 these three dust are counted by described count mode respectively；Described meter molality formula carries out meter weight less than or equal to 2.5 μm and all particle diameters less than or equal to 10 μm both dust to all particle diameters respectively.
The data display method of dust the most according to claim 6, it is characterized in that, the described Dust data measuring on Coal Faces carrying out showing with the form of scroll bar is to be indicated with the dust number that particle diameter is 0.3 μm for conversion target, conversion method is: be weighted respectively with the dust that particle diameter is 10 μm by the dust that particle diameter in same kind dust granules is 2.5 μm, it is indicated by the dust number that particle diameter is 0.3 μm, conversion coefficient is respectively 100 and 1000, i.e. with in kind dust granules, the volume of each particle diameter 2.5 μm dust is equivalent to the volume of 100 particle diameter 0.3 μm dust, the volume of each particle diameter 10 μm dust is equivalent to the volume of 1000 particle diameter 0.3 μm dust.
The most according to claim 8, the data display method of dust, it is characterised in that described scroll bar includes pollution-free area, intermediate pollution district and region, three, serious pollution district, point out the cleanliness factor of user's air quality by the region indicated by scroll bar；Or the display standard of described pollution-free area is 0 ~ 100,000/L, the display standard in intermediate pollution district is 10 ~ 200,000/L, and the display standard in serious pollution district is 200,000 with last/L.
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| CN107132165A (en) * | 2017-06-02 | 2017-09-05 | 上海申欣环保实业有限公司 | The measuring method and device of a kind of bug dust concentration value |
| CN107132165B (en) * | 2017-06-02 | 2019-12-27 | 上海申欣环保实业有限公司 | Method and device for measuring dust mass concentration value |
| CN111266386A (en) * | 2020-01-10 | 2020-06-12 | 郑州航空工业管理学院 | Powdery waste recovery system of industry |
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Application publication date: 20160810 |