CN107389518A - A kind of Detection of Air Quality method and system - Google Patents
A kind of Detection of Air Quality method and system Download PDFInfo
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- CN107389518A CN107389518A CN201710640914.8A CN201710640914A CN107389518A CN 107389518 A CN107389518 A CN 107389518A CN 201710640914 A CN201710640914 A CN 201710640914A CN 107389518 A CN107389518 A CN 107389518A
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- 238000001514 detection method Methods 0.000 title claims abstract description 149
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000002245 particle Substances 0.000 claims abstract description 176
- 239000008187 granular material Substances 0.000 claims abstract description 110
- 238000007791 dehumidification Methods 0.000 claims abstract description 20
- 238000011282 treatment Methods 0.000 claims abstract description 20
- 239000008151 electrolyte solution Substances 0.000 claims description 20
- 239000012528 membrane Substances 0.000 claims description 18
- 206010073306 Exposure to radiation Diseases 0.000 claims description 6
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- 238000005868 electrolysis reaction Methods 0.000 claims 2
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- 239000003792 electrolyte Substances 0.000 description 2
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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
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/075—Investigating concentration of particle suspensions by optical means
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Abstract
The present invention relates to a kind of Detection of Air Quality method and system, the detection method includes：Dehumidification treatments are carried out to the air to be detected in the range of pre-set space；Consentrated air supply is carried out with predetermined wind speed to the air to be detected after dehumidifying；According to after dehumidifying air to be detected carry out consentrated air supply wind speed and air-supply time, be calculated dehumidifying after the air to be detected volume；Obtain the granule number of the air to be detected after dehumidifying；According to the volume and granule number of the air to be detected after dehumidifying, the granule density value in the air to be detected is calculated.By carrying out dehumidification treatments to air to be detected, reduce influence of the vapor in air to testing result, ensure the accuracy rate of testing result, and by carrying out consentrated air supply to air to be detected, in the case where not moving the device of air to be detected, detection error caused by granule number skewness in air is reduced, calculates the average particle concentration value in air to be detected.
Description
Technical field
The present invention relates to environmental quality monitoring field, more particularly to a kind of Detection of Air Quality method and system.
Background technology
With the arrival of air quality detector intellectualization times, the configuration of air quality detector is stronger and stronger, work(
Can be more and more complete, increasing user carries out Detection of Air Quality by air quality detector, empty in different places
Gas quality testing, and the PM2.5 concentration in the air detected is shown, in order to which user understands the matter of the air of local environment
Amount.
However, because the PM2.5 concentration of the detection air of air quality detector in the prior art is, it is necessary to using large volume
PM2.5 sampler, PM2.5 concentration can be just detected, but air quality detector is used in different place air matter
Amount detection, when using the PM2.5 of large volume sampler, air quality detector is inconvenient to carry, when using small size
PM2.5 sampler when, actual samples to PM2.5 signal will weaken therewith, accurate PM2.5 can not be detected
Concentration, so as to reduce the accuracy of detection of PM2.5 concentration in air quality detector.
The content of the invention
The technical problems to be solved by the invention are that air quality detector is inconvenient to carry in the prior art, and detected
The air quality of diverse location is different in region to be detected in journey easily causes the detection error caused by sampled data is very few.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of Detection of Air Quality method, including following step
Suddenly：
Dehumidification treatments are carried out to the air to be detected in the range of pre-set space；
Consentrated air supply is carried out with predetermined wind speed to the air to be detected after dehumidifying；
According to after dehumidifying air to be detected carry out consentrated air supply wind speed and air-supply time, after dehumidifying is calculated
The air to be detected volume；
Obtain the granule number of the air to be detected after dehumidifying；
According to the volume and granule number of the air to be detected after dehumidifying, in the air to be detected is calculated
Grain concentration value.
The beneficial effects of the invention are as follows：By carrying out dehumidification treatments to air to be detected, the vapor in air is reduced
Influence to testing result, ensure the accuracy rate of testing result, and by carrying out consentrated air supply to air to be detected, do not moving
In the case of the device for moving air to be detected, the sample size that detection means obtains is improved, granule number in air is reduced and is distributed not
Detection error caused by, calculates the average particle concentration value in air to be detected.
Further, formula is answered according to the relation pair of the luminous intensity of the transmitting light beam and the luminous intensity of the scattering light, counted
The granule number of the air to be detected after being dehumidified is calculated, is specifically included：
The relation pair of the luminous intensity and the luminous intensity for scattering light of the transmitting light beam answers the formula to be：
Wherein, V=4 π r3/ 3, r are the radius of particle in air to be detected, and N is the granule number in air to be detected, and ε is
Dielectric constant in air, ε0For the dielectric constant in vacuum, θ is angle of scattering, R be light sensitive area to optical-electrical converter away from
From I0To launch the luminous intensity of light beam, IθTo scatter the luminous intensity of light；
The radius of particle takes the mean radius of pm2.5 in air in the air to be detected, is thus calculated described
Granule number N in air to be detected.
It is using the above-mentioned further beneficial effect of scheme：The air to be detected is irradiated by light beam, and obtains light beam
The scattering light penetrated is scattered because of the particle in air after irradiating air to be detected, according to the luminous intensity of transmitting light beam and scatters light
The corresponding relation formula of luminous intensity, wherein the luminous intensity of scattering light is when the luminous intensity for launching light beam keeps constant, and in air
The radius value of particle and the quantity of particle are directly proportional, when the radius value of particle in air is averaged, thus obtain described treat
The granule number in air is detected, and then obtains the granule density value in the air to be detected.
The present invention also provides a kind of air quality detection system for realizing the above method, it is characterised in that including：Air-supply group
Part, air particles number detection means and remote server；The air-supply assembly includes：Dehumidifying element；
The air-supply assembly, for being carried out by Dehumidifying element to the air to be detected in the range of pre-set space at dehumidifying
Reason；Consentrated air supply is carried out with predetermined wind speed to the air to be detected after dehumidifying；
The remote server, for according to the wind speed and air-supply that consentrated air supply is carried out to the air to be detected after dehumidifying
Time, the volume of the air to be detected after dehumidifying is calculated；
The air particles number detection means, for obtaining the granule number of the air to be detected after dehumidifying；
The remote server, volume and granule number according to the air to be detected after dehumidifying are additionally operable to, is calculated
To the granule density value in the air to be detected.
Further, the remote server, specifically for the luminous intensity according to the transmitting light beam and the scattering light
The relation pair of luminous intensity answers formula：
Wherein, V=4 π r3/ 3, r are the radius of particle in air to be detected, and N is the granule number in air to be detected, and ε is
Dielectric constant in air, ε0For the dielectric constant in vacuum, θ is angle of scattering, R be light sensitive area to optical-electrical converter away from
From I0To launch the luminous intensity of light beam, IθTo scatter the luminous intensity of light；
The radius of particle takes the mean radius of pm2.5 in air in the air to be detected, is thus calculated described
Granule number N in air to be detected.
Brief description of the drawings
Fig. 1 is a kind of air quality detection system structural representation provided in an embodiment of the present invention；
Fig. 2 is the signaling interacted in a kind of air quality detection system provided in an embodiment of the present invention between each part
Schematic flow sheet；
Fig. 3 is a kind of Detection of Air Quality method flow schematic diagram provided in an embodiment of the present invention；
Fig. 4 is a kind of Detection of Air Quality method flow schematic diagram one that another embodiment of the present invention provides；
Fig. 5 be another embodiment of the present invention provide a kind of Detection of Air Quality method flow schematic diagram secondly；
Fig. 6 be another embodiment of the present invention provide a kind of Detection of Air Quality method flow schematic diagram thirdly；
Fig. 7 be another embodiment of the present invention provide a kind of Detection of Air Quality method flow schematic diagram its four；
Fig. 8 is a kind of air quality detection system structural representation that another embodiment of the present invention provides；
Fig. 9 is a kind of air quality detection system structural representation one that another embodiment of the present invention provides；
Figure 10 be another embodiment of the present invention provide a kind of air quality detection system structural representation secondly.
Embodiment
In describing below, in order to illustrate rather than in order to limit, it is proposed that such as particular system structure, interface, technology it
The detail of class, understand the present invention to cut thoroughly.However, it will be clear to one skilled in the art that there is no these specific
The present invention can also be realized in the other embodiments of details.In other situations, omit to well-known system, circuit and
The detailed description of method, in case unnecessary details hinders description of the invention.
Fig. 1 is a kind of air quality detection system structural representation provided in an embodiment of the present invention, is comprised at least：Air-supply group
Part, air particles number detection means, remote server, access gateway of internet of things and Internet of Things gateway；The air-supply group
Part includes：Dehumidifying element.
As shown in Fig. 2 Fig. 2 is the letter interacted in the air quality detection system provided by the invention between each part
Make schematic flow sheet.
Specifically, in fig. 2,
Air particles number detection means sends service access request to access gateway of internet of things and Internet of Things gateway,
It can wherein include in service access request：The ID and service label authentication information of air particles number detection means institute installation region
Service access request sent into Internet of Things gateway Deng, access gateway of internet of things, Internet of Things gateway is to business
Access request is authenticated, and when the authentication is successful, sends the successful message of certification to access gateway of internet of things, and connect with Internet of Things
Function Access Gateway establishes network communication and transmission passage, and access gateway of internet of things sends the successful message of certification to the air particles number
Detection means.
Air particles number detection means sends air after the successful message of certification is received, to access gateway of internet of things
Data accessed by grain number detection means, the network communication and transmission that access gateway of internet of things is established by Internet of Things gateway
Passage, the data accessed by air particles number detection means are sent to Internet of Things gateway, and Internet of Things gateway
Then by the data forwarding accessed by air particles number detection means to remote server.
Remote server is described to be checked by the data accessed by air particles number detection means be calculated
The granule density value surveyed in air, the data accessed by air particles number detection means include：Air to be detected after dehumidifying
In granule number.
Fig. 3 is a kind of Detection of Air Quality method flow schematic diagram provided in an embodiment of the present invention.It is specific as shown in figure 3,
The Detection of Air Quality method includes：
S11, dehumidification treatments are carried out to the air to be detected in the range of pre-set space；
Specifically, when detecting air to be detected by air particles number detection means, first air to be detected is carried out
Dehumidification treatments, influence of the water vapor in air to be detected to testing result is reduced, avoids the detection error caused by vapor.
S12, consentrated air supply is carried out with predetermined wind speed to the air to be detected after dehumidifying；
Specifically, air to be detected is carried out by consentrated air supply, the convenient body for calculating detected air by air-supply assembly
Product, and realize that the equipment for not moving detection air allows air consentrated air supply to be detected, each region in air to be detected
Granule density may be inconsistent, is realized by air-supply assembly and carries out global measuring to air to be detected, finally calculated to be detected
The average air granule density of air.
S13, basis carry out the wind speed of consentrated air supply and the time of air-supply to the air to be detected after dehumidifying, are calculated and remove
The volume of air to be detected after wet；
Specifically, by being set to the wind speed that air-supply assembly is blown, according to the time of air-supply assembly work, Ke Yiyou
The volume for obtaining air-supply assembly and carrying out the air to be detected of consentrated air supply of effect, facilitates remote server detecting sky to be detected
After granule number in gas, the average particle concentration of air to be detected is calculated.
S14, the granule number for obtaining the air to be detected after dehumidifying；
Specifically, the granule number in the air to be detected after dehumidifying is obtained by air particles number detection means, by upper
The communication transmission passage established between the access gateway of internet of things introduced in embodiment and Internet of Things gateway is stated, by air
Data accessed by grain number detection means are sent to remote server.
S15, volume and granule number according to the air to be detected after dehumidifying, the particle being calculated in air to be detected are dense
Angle value.
Specifically, the data accessed by air particles number detection means include：In air to be detected after dehumidifying
Grain number, it can also include：The numbering ID of air particles number detection means；The numbering ID of air particles number detection means and air
The region ID bindings that grain number detection means is installed, remote server pass through to removing accessed by air particles number detection means
The granule number in air to be detected after wet carries out the granule density value being calculated in air to be detected, obtains air to be detected
Air quality data.
In above-described embodiment, by carrying out dehumidification treatments to air to be detected, the vapor in air is reduced to detection
As a result influence, the accuracy rate of testing result is ensured, and by carrying out consentrated air supply to air to be detected, it is to be checked not moving
In the case of the device for surveying air, the sample size that detection means obtains is improved, reducing granule number skewness in air causes
Detection error, calculate the average particle concentration value in air to be detected.
Fig. 4 is a kind of Detection of Air Quality method flow schematic diagram one provided in an embodiment of the present invention.Specifically such as Fig. 4 institutes
Show, the Detection of Air Quality method includes：
S21, dehumidification treatments are carried out to the air to be detected in the range of pre-set space；
Specifically, when detecting air to be detected by air particles number detection means, first air to be detected is carried out
Dehumidification treatments, influence of the water vapor in air to be detected to testing result is reduced, avoids the detection error caused by vapor.
S22, consentrated air supply is carried out with predetermined wind speed to the air to be detected after dehumidifying；
Specifically, air to be detected is carried out by consentrated air supply, the convenient body for calculating detected air by air-supply assembly
Product, and realize that the equipment for not moving detection air allows air consentrated air supply to be detected, each region in air to be detected
Granule density may be inconsistent, is realized by air-supply assembly and carries out global measuring to air to be detected, finally calculated to be detected
The average air granule density of air.
S23, basis carry out the wind speed of consentrated air supply and the time of air-supply to the air to be detected after dehumidifying, are calculated and remove
The volume of air to be detected after wet；
Specifically, by being set to the wind speed that air-supply assembly is blown, according to the time of air-supply assembly work, Ke Yiyou
The volume for obtaining air-supply assembly and carrying out the air to be detected of consentrated air supply of effect, facilitates remote server detecting sky to be detected
After granule number in gas, the average particle concentration of air to be detected is calculated.
S24, the granule number for obtaining the air to be detected after dehumidifying；
Specifically, the granule number in the air to be detected after dehumidifying is obtained by air particles number detection means, by upper
The communication transmission passage established between the access gateway of internet of things introduced in embodiment and Internet of Things gateway is stated, by air
Data accessed by grain number detection means are sent to remote server.
S25, volume and granule number according to the air to be detected after dehumidifying, the particle being calculated in air to be detected are dense
Angle value；
Specifically, the data accessed by air particles number detection means include：In air to be detected after dehumidifying
Grain number, it can also include：The numbering ID of air particles number detection means；The numbering ID of air particles number detection means and air
The region ID bindings that grain number detection means is installed, remote server pass through to removing accessed by air particles number detection means
The granule number in air to be detected after wet carries out the granule density value being calculated in air to be detected, obtains air to be detected
Air quality data.
S261, by after dehumidifying air to be detected be sent into electrolyte solution in, the particle in air to be detected is mixed into electricity
Electrolyte solution；Contain surfactant in electrolyte solution, surfactant increases the adsorptivity of electrolyte solution, made to be detected
Particle is uniformly blended into electrolyte solution in air；
S262, the electric field that gradient is provided using different dimensional structure microelectrodes for electrolyte solution, make to be mixed into electrolyte molten
The particle of liquid is separated and is deposited on corresponding microelectrode by the magnitude range of particle radius；
S263, by measuring ropy absolute value of the microelectrode before and after deposited particles, obtain different radii scope
The quality of grain；
S264, according to the volume of the air to be detected after dehumidifying and the quality of different radii range of particle, be calculated and treat
Detect the concentration value of different radii range of particle in air.
Specifically, after the granule number during the air to be detected after dehumidifying is obtained according to air particles number detection means, will
During air feeding electrolyte to be detected is molten, the particle in air to be detected is set to be mixed into electrolyte solution, then by different
The particle that microelectrode makes to be mixed into electrolyte solution is deposited on Different electrodes by particle radius size, to the weight change of electrode
Measure, and then obtain the weight of the particle of variable grain radius, variable grain half in air to be detected is finally calculated
The concentration value of the particle in footpath.
Fig. 5 be a kind of Detection of Air Quality method flow schematic diagram provided in an embodiment of the present invention secondly.Specifically such as Fig. 5 institutes
Show, the Detection of Air Quality method includes：
S31, dehumidification treatments are carried out to the air to be detected in the range of pre-set space；
Specifically, when detecting air to be detected by air particles number detection means, first air to be detected is carried out
Dehumidification treatments, influence of the water vapor in air to be detected to testing result is reduced, avoids the detection error caused by vapor.
S32, consentrated air supply is carried out with predetermined wind speed to the air to be detected after dehumidifying；
Specifically, air to be detected is carried out by consentrated air supply, the convenient body for calculating detected air by air-supply assembly
Product, and realize that the equipment for not moving detection air allows air consentrated air supply to be detected, each region in air to be detected
Granule density may be inconsistent, is realized by air-supply assembly and carries out global measuring to air to be detected, finally calculated to be detected
The average air granule density of air.
S33, basis carry out the wind speed of consentrated air supply and the time of air-supply to the air to be detected after dehumidifying, are calculated and remove
The volume of air to be detected after wet；
Specifically, by being set to the wind speed that air-supply assembly is blown, according to the time of air-supply assembly work, Ke Yiyou
The volume for obtaining air-supply assembly and carrying out the air to be detected of consentrated air supply of effect, facilitates remote server detecting sky to be detected
After granule number in gas, the average particle concentration of air to be detected is calculated.
S34, the granule number for obtaining the air to be detected after dehumidifying；Specific step is：
Air to be detected after S341, transmitting light beam irradiation dehumidifying, and receive particle in the air to be detected after dehumidifying
The scattering light of scattering；
S342, formula answered according to the luminous intensity and the relation pair of luminous intensity of scattering light of transmitting light beam, dehumidifying is calculated
The granule number of air to be detected afterwards；
Specifically, the granule number in the air to be detected after dehumidifying is obtained by air particles number detection means, by upper
The communication transmission passage established between the access gateway of internet of things introduced in embodiment and Internet of Things gateway is stated, by air
Data accessed by grain number detection means are sent to remote server；Air to be detected is irradiated by launching light beam, light beam is worked as
When running into the particle in air to be detected, it may occur that scattering, now according to the luminous intensity of transmitting light beam and the luminous intensity of scattering light
Relation pair answer formula, the granule number in air to be detected is calculated, realizes the detection to air particles number to be detected.
S35, volume and granule number according to the air to be detected after dehumidifying, the particle being calculated in air to be detected are dense
Angle value.
Specifically, the data accessed by air particles number detection means include：In air to be detected after dehumidifying
Grain number, it can also include：The numbering ID of air particles number detection means；The numbering ID of air particles number detection means and air
The region ID bindings that grain number detection means is installed, remote server pass through to removing accessed by air particles number detection means
The granule number in air to be detected after wet carries out the granule density value being calculated in air to be detected, obtains air to be detected
Air quality data.
Fig. 6 be a kind of Detection of Air Quality method flow schematic diagram provided in an embodiment of the present invention thirdly.Specifically such as Fig. 6 institutes
Show, the Detection of Air Quality method includes：
S41, dehumidification treatments are carried out to the air to be detected in the range of pre-set space；
Specifically, when detecting air to be detected by air particles number detection means, first air to be detected is carried out
Dehumidification treatments, influence of the water vapor in air to be detected to testing result is reduced, avoids the detection error caused by vapor.
S42, the isolated particle radius difference of magnitude range progress by the air to be detected after dehumidifying by particle radius
Multigroup air to be detected；
S43, the multigroup to be detected air different to the particle radius after dehumidifying carry out consentrated air supply with predetermined wind speed；
Specifically, air to be detected is carried out by consentrated air supply, the convenient body for calculating detected air by air-supply assembly
Product, and realize that the equipment for not moving detection air allows air consentrated air supply to be detected, each region in air to be detected
Granule density may be inconsistent, is realized by air-supply assembly and carries out global measuring to air to be detected, finally calculated to be detected
The average air granule density of air.
S44, basis carry out the wind speed of consentrated air supply and the time of air-supply to the air to be detected after dehumidifying, are calculated and remove
The volume of air to be detected after wet；
Specifically, by being set to the wind speed that air-supply assembly is blown, according to the time of air-supply assembly work, Ke Yiyou
The volume for obtaining air-supply assembly and carrying out the air to be detected of consentrated air supply of effect, facilitates remote server detecting sky to be detected
After granule number in gas, the average particle concentration of air to be detected is calculated.
S45, the granule number for obtaining the air to be detected after dehumidifying；Specific step is：
Air to be detected after S451, transmitting light beam irradiation dehumidifying, and receive particle in the air to be detected after dehumidifying
The scattering light of scattering；
Specifically, multigroup air to be detected that transmitting light beam irradiation particle radius is different, and receive respectively through particle radius
The scattering light that particle scatters in different multigroup air to be detected；
S452, formula answered according to the luminous intensity and the relation pair of luminous intensity of scattering light of transmitting light beam, dehumidifying is calculated
The granule number of the variable grain radius in air to be detected afterwards；
Specifically, harm of the particle of variable grain radius to people also differs, of different particle radius is measured
The concentration value of grain, provides the user more specifical warning, by shining multigroup air to be detected of variable grain radius
Penetrate, light beam is when running into the particle in air to be detected, it may occur that scattering, now according to the luminous intensity of transmitting light beam and scattering light
The relation pair of luminous intensity answer formula, the granule number in multigroup air to be detected of variable grain radius is calculated, realizes
Detection to the granule number of variable grain radius in air to be detected.
S46, volume and granule number according to the air to be detected after dehumidifying, the particle being calculated in air to be detected are dense
Angle value；
Specifically, the data accessed by air particles number detection means include：In air to be detected after dehumidifying
Grain number, it can also include：The numbering ID of air particles number detection means；The numbering ID of air particles number detection means and air
The region ID bindings that grain number detection means is installed, remote server pass through to removing accessed by air particles number detection means
The granule number in air to be detected after wet carries out the granule density value being calculated in air to be detected, obtains air to be detected
Air quality data.
Fig. 7 be a kind of Detection of Air Quality method flow schematic diagram provided in an embodiment of the present invention its four.Specifically such as Fig. 7 institutes
Show, the Detection of Air Quality method includes：
S51, dehumidification treatments are carried out to the air to be detected in the range of pre-set space；
Specifically, when detecting air to be detected by air particles number detection means, first air to be detected is carried out
Dehumidification treatments, influence of the water vapor in air to be detected to testing result is reduced, avoids the detection error caused by vapor.
S52, consentrated air supply is carried out with predetermined wind speed to the air to be detected after dehumidifying；
Specifically, air to be detected is carried out by consentrated air supply, the convenient body for calculating detected air by air-supply assembly
Product, and realize that the equipment for not moving detection air allows air consentrated air supply to be detected, each region in air to be detected
Granule density may be inconsistent, is realized by air-supply assembly and carries out global measuring to air to be detected, finally calculated to be detected
The average air granule density of air.
S53, basis carry out the wind speed of consentrated air supply and the time of air-supply to the air to be detected after dehumidifying, are calculated and remove
The volume of air to be detected after wet；
Specifically, by being set to the wind speed that air-supply assembly is blown, according to the time of air-supply assembly work, Ke Yiyou
The volume for obtaining air-supply assembly and carrying out the air to be detected of consentrated air supply of effect, facilitates remote server detecting sky to be detected
After granule number in gas, the average particle concentration of air to be detected is calculated.
S54, the granule number for obtaining the air to be detected after dehumidifying；Specific step is：
S541, by filter membrane the air to be detected after dehumidifying is filtered, be deposited on the particle in air to be detected
On filter membrane；
S542, transmitting β radiation exposure filter membranes, in air to be detected after being dehumidified according to β radiation attenuation techniques
Grain number.
Specifically, the granule number in the air to be detected after dehumidifying is obtained by air particles number detection means, by upper
The communication transmission passage established between the access gateway of internet of things introduced in embodiment and Internet of Things gateway is stated, by air
Data accessed by grain number detection means are sent to remote server；Air to be detected is filtered, makes sky to be detected
Particle in gas is deposited on filter membrane, transmitting β radiation exposure filter membranes, after the particle on filter membrane receives β radiation exposures, can produce β
Particle, according to the quantity of β particles, the quantity of the particle in air is calculated.
S55, volume and granule number according to the air to be detected after dehumidifying, the particle being calculated in air to be detected are dense
Angle value；
Specifically, the data accessed by air particles number detection means include：In air to be detected after dehumidifying
Grain number, it can also include：The numbering ID of air particles number detection means；The numbering ID of air particles number detection means and air
The region ID bindings that grain number detection means is installed, remote server pass through to removing accessed by air particles number detection means
The granule number in air to be detected after wet carries out the granule density value being calculated in air to be detected, obtains air to be detected
Air quality data.
A kind of Detection of Air Quality method provided in an embodiment of the present invention, the Detection of Air Quality method include：
S61, dehumidification treatments are carried out to the air to be detected in the range of pre-set space；
Specifically, when detecting air to be detected by air particles number detection means, first air to be detected is carried out
Dehumidification treatments, influence of the water vapor in air to be detected to testing result is reduced, avoids the detection error caused by vapor.
S62, consentrated air supply is carried out with predetermined wind speed to the air to be detected after dehumidifying；
Specifically, air to be detected is carried out by consentrated air supply, the convenient body for calculating detected air by air-supply assembly
Product, and realize that the equipment for not moving detection air allows air consentrated air supply to be detected, each region in air to be detected
Granule density may be inconsistent, is realized by air-supply assembly and carries out global measuring to air to be detected, finally calculated to be detected
The average air granule density of air.
S63, basis carry out the wind speed of consentrated air supply and the time of air-supply to the air to be detected after dehumidifying, are calculated and remove
The volume of air to be detected after wet；
Specifically, by being set to the wind speed that air-supply assembly is blown, according to the time of air-supply assembly work, Ke Yiyou
The volume for obtaining air-supply assembly and carrying out the air to be detected of consentrated air supply of effect, facilitates remote server detecting sky to be detected
After granule number in gas, the average particle concentration of air to be detected is calculated.
S64, the granule number for obtaining the air to be detected after dehumidifying；Specific step is：
Air to be detected after S641, transmitting light beam irradiation dehumidifying, and receive particle in the air to be detected after dehumidifying
The scattering light of scattering；
S642, formula answered according to the luminous intensity and the relation pair of luminous intensity of scattering light of transmitting light beam, dehumidifying is calculated
The granule number of air to be detected afterwards；
The relation pair for launching the luminous intensity and the luminous intensity of scattering light of light beam answers the formula to be：
Wherein, V=4 π r3/ 3, r are the radius of particle in air to be detected, and N is the granule number in air to be detected, and ε is
Dielectric constant in air, ε0For the dielectric constant in vacuum, θ is angle of scattering, R be light sensitive area to optical-electrical converter away from
From I0To launch the luminous intensity of light beam, IθTo scatter the luminous intensity of light；
The radius of particle takes the mean radius of pm2.5 in air in air to be detected, and sky to be detected is thus calculated
Granule number N in gas.
Specifically, the granule number in the air to be detected after dehumidifying is obtained by air particles number detection means, by upper
The communication transmission passage established between the access gateway of internet of things introduced in embodiment and Internet of Things gateway is stated, by air
Data accessed by grain number detection means are sent to remote server；Air to be detected is irradiated by launching light beam, light beam is worked as
When running into the particle in air to be detected, it may occur that scattering, now according to the luminous intensity of transmitting light beam and the luminous intensity of scattering light
Relation pair answer formula, the granule number in air to be detected is calculated, realizes the detection to air particles number to be detected.
S65, volume and granule number according to the air to be detected after dehumidifying, the particle being calculated in air to be detected are dense
Angle value.
Specifically, the data accessed by air particles number detection means include：In air to be detected after dehumidifying
Grain number, it can also include：The numbering ID of air particles number detection means；The numbering ID of air particles number detection means and air
The region ID bindings that grain number detection means is installed, remote server pass through to removing accessed by air particles number detection means
The granule number in air to be detected after wet carries out the granule density value being calculated in air to be detected, obtains air to be detected
Air quality data.
Correspondingly, the embodiment of the present invention additionally provides a kind of air quality detection system.Fig. 8 provides for the embodiment of the present invention
A kind of air quality detection system structural representation.As shown in figure 8, including：Air-supply assembly, air particles number detection means and
Remote server；Air-supply assembly includes：Dehumidifying element；
Air-supply assembly, for carrying out dehumidification treatments to the air to be detected in the range of pre-set space by Dehumidifying element；It is right
Air to be detected after dehumidifying carries out consentrated air supply with predetermined wind speed；
Remote server, for according to after dehumidifying air to be detected carry out consentrated air supply wind speed and air-supply when
Between, be calculated dehumidifying after air to be detected volume；
Air particles number detection means, for obtaining the granule number of the air to be detected after dehumidifying；
Remote server, volume and granule number according to the air to be detected after dehumidifying are additionally operable to, is calculated to be detected
Granule density value in air.
In above-described embodiment, the data that air particles number detection means is collected are sent to remote server, air
The data that granule number detection means is collected include：The granule number in air to be detected after dehumidifying, can also include：Air
ID and service label authentication information of granule number detection means institute installation region etc.；The numbering ID of air particles number detection means and sky
The region ID bindings that aerated particle number detection means is installed, remote server pass through to accessed by air particles number detection means
Dehumidifying after air to be detected in granule number carry out the granule density value being calculated in air to be detected, obtain to be detected
The air quality data of air.
Preferably, air quality detection system also includes：Electrolyte solution, different dimensional structure microelectrodes and mass measurement
Device；
Electrolyte solution, for incorporating the air to be detected after dehumidifying, the particle in air to be detected is set to be mixed into electrolyte
Solution；
Different dimensional structure microelectrodes, for providing the electric field of gradient for electrolyte solution, make to be mixed into electrolyte solution
Particle is separated and is deposited on corresponding microelectrode by the magnitude range of particle radius；
Apparatus for measuring quality, for by measuring quality of the microelectrode before and after deposited particles, obtaining different radii scope
The quality of particle；
Remote server, it is additionally operable to the matter of the volume and different radii range of particle according to the air to be detected after dehumidifying
Amount, the concentration value of different radii range of particle in air to be detected is calculated.
A kind of air quality detection system structural representation that Fig. 9 provides for another embodiment of the present invention is first, such as Fig. 9 institutes
Show：
Preferably, air particles number detection means includes：Light emission component and light-receiving component；
Light emission component, for launching the air to be detected after light beam irradiation dehumidifies；
Light-receiving component, for receiving the scattering light that particle scatters in the air to be detected after dehumidifying, and light will be scattered
Luminous intensity be sent to remote server；
Remote server, it is additionally operable to answer formula according to the relation pair of the luminous intensity and the luminous intensity of scattering light of transmitting light beam,
The granule number of the air to be detected after dehumidifying is calculated.
Preferably, air quality detection system also includes：Pm2.5 cutters；
Pm2.5 cutters, it is isolated for the air to be detected after dehumidifying to be carried out by the magnitude range of particle radius
The different multigroup air to be detected of particle radius；
Light emission component, specifically for the different multigroup air to be detected of transmitting light beam irradiation particle radius；
Light-receiving component, specifically for receiving what is scattered through particle in the different multigroup air to be detected of particle radius respectively
Scatter light；And the luminous intensity for scattering light is sent to remote server.
Remote server, specifically for the multigroup to be detected air different from particle radius of the luminous intensity according to transmitting light beam
The relation pair of the luminous intensity of the scattering light of middle particle scattering answers formula, and different multigroup to be detected of particle radius is calculated respectively
The granule number of air；
Remote server, it is additionally operable to according to multigroup to be checked different with particle radius of the volume of the air to be detected after dehumidifying
The granule number of air is surveyed, the granule density value of variable grain radius in air to be detected is calculated.
A kind of air quality detection system structural representation that Figure 10 provides for another embodiment of the present invention is second, such as Figure 10 institutes
Show：
Air quality detection system also includes：Filter membrane, β radiation-emitting devices, β particle reception devices；
Filter membrane, for being filtered to the air to be detected after dehumidifying, the particle in air to be detected is set to be deposited on filter membrane
On；
β radiation-emitting devices, for launching β radiation exposure filter membranes；
β particle reception devices, the β particles for receiving β ray emissions for receiving filter membrane and going out, are obtained according to β radiation attenuation techniques
Remote server is sent to the granule number in air to be detected, and by the granule number in air to be detected；
Remote server, the granule number being additionally operable in the volume and air to be detected according to the air to be detected after dehumidifying,
Air middle particle concentration value to be detected is calculated.
Reader should be understood that in the description of this specification, reference term " one embodiment ", " some embodiments ", " show
The description of example ", " specific example " or " some examples " etc. mean to combine the specific features of the embodiment or example description, structure,
Material or feature are contained at least one embodiment or example of the present invention.In this manual, above-mentioned term is shown
The statement of meaning property need not be directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description
It can be combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this
The technical staff in field can be by the different embodiments or example described in this specification and the spy of different embodiments or example
Sign is combined and combined.
It is apparent to those skilled in the art that for convenience of description and succinctly, the dress of foregoing description
The specific work process with unit is put, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, it can be passed through
Its mode is realized.For example, device embodiment described above is only schematical, for example, the division of unit, is only
A kind of division of logic function, can there is an other dividing mode when actually realizing, for example, multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.
The unit illustrated as separating component can be or may not be physically separate, be shown as unit
Part can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple networks
On unit.Some or all of unit therein can be selected to realize the mesh of scheme of the embodiment of the present invention according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
It is that unit is individually physically present or two or more units are integrated in a unit.It is above-mentioned integrated
Unit can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can
To be stored in a computer read/write memory medium.Based on such understanding, technical scheme substantially or
Say that the part to be contributed to prior art, or all or part of the technical scheme can be embodied in the form of software product
Out, the computer software product is stored in a storage medium, including some instructions are causing a computer equipment
(can be personal computer, server, or network equipment etc.) performs all or part of each embodiment method of the present invention
Step.And foregoing storage medium includes：It is USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), random
Access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with Jie of store program codes
Matter.
More than, it is only embodiment of the invention, but protection scope of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art the invention discloses technical scope in, various equivalent modifications or substitutions can be readily occurred in,
These modifications or substitutions should be all included within the scope of the present invention.Therefore, protection scope of the present invention should be wanted with right
The protection domain asked is defined.
Claims (10)
- A kind of 1. Detection of Air Quality method, it is characterised in that comprise the following steps：Dehumidification treatments are carried out to the air to be detected in the range of pre-set space；Consentrated air supply is carried out with predetermined wind speed to the air to be detected after dehumidifying；The wind speed of consentrated air supply and the time of air-supply are carried out according to the air to be detected after described pair of dehumidifying, after dehumidifying is calculated The air to be detected volume；Obtain the granule number of the air to be detected after dehumidifying；According to the volume and granule number of the air to be detected after dehumidifying, the particle being calculated in the air to be detected is dense Angle value.
- 2. a kind of Detection of Air Quality method according to claim 1, it is characterised in that treated described in after according to dehumidifying The volume and granule number of air are detected, is calculated after the granule density value in the air to be detected, the air quality Detection method also includes：The air to be detected after dehumidifying is sent into electrolyte solution, the particle in air to be detected is mixed into the electrolysis Matter solution；The electric field of gradient is provided using different dimensional structure microelectrodes for the electrolyte solution, makes to be mixed into the electrolyte solution Particle separated and be deposited on corresponding microelectrode by the magnitude range of particle radius；By measuring ropy absolute value of the microelectrode before and after deposited particles, the matter of different radii range of particle is obtained Amount；According to the volume of the air to be detected after dehumidifying and the quality of the different radii range of particle, it is calculated described The concentration value of different radii range of particle in air to be detected.
- 3. a kind of Detection of Air Quality method according to claim 1 or 2, it is characterised in that after the acquisition dehumidifying The granule number of the air to be detected, including：Launch the air to be detected after light beam irradiation dehumidifying, and receive particle in the air to be detected after dehumidifying and dissipate The scattering light penetrated；Formula is answered according to the relation pair of the luminous intensity of the transmitting light beam and the luminous intensity of the scattering light, after dehumidifying is calculated The air to be detected granule number.
- 4. a kind of Detection of Air Quality method according to claim 3, it is characterised in that removed in the transmitting light beam irradiation The air to be detected after wet, and receive in the air to be detected after dehumidifying before the scattering light of particle scattering, institute Stating Detection of Air Quality method also includes：The air to be detected after dehumidifying is subjected to different more of isolated particle radius by the magnitude range of particle radius Group air to be detected；Wherein, the air to be detected after the transmitting light beam irradiation dehumidifying, and receive the sky to be detected after dehumidifying The scattering light that particle scatters in gas, is specifically included：Launch light beam and irradiate the different multigroup air to be detected of the particle radius, and receive respectively different through the particle radius Multigroup air to be detected in particle scatter scattering light.
- 5. a kind of Detection of Air Quality method according to claim 1 or 2, it is characterised in that after the acquisition dehumidifying The granule number of the air to be detected, in addition to：The air to be detected after dehumidifying is filtered by filter membrane, the particle in air to be detected is deposited on the filter On film；Launch filter membrane described in β radiation exposures, in the air to be detected after being dehumidified according to the β radiation attenuation techniques Granule number.
- A kind of 6. air quality detection system, it is characterised in that including：Air-supply assembly, air particles number detection means and long-range Server；The air-supply assembly includes：Dehumidifying element；The air-supply assembly, for carrying out dehumidification treatments to the air to be detected in the range of pre-set space by Dehumidifying element；It is right The air to be detected after dehumidifying carries out consentrated air supply with predetermined wind speed；The remote server, for carrying out wind speed and the air-supply of consentrated air supply according to the air to be detected after described pair of dehumidifying Time, the volume of the air to be detected after dehumidifying is calculated；The air particles number detection means, for obtaining the granule number of the air to be detected after dehumidifying；The remote server, volume and granule number according to the air to be detected after dehumidifying are additionally operable to, institute is calculated State the granule density value in air to be detected.
- A kind of 7. air quality detection system according to claim 6, it is characterised in that the air quality detection system Also include：Electrolyte solution, different dimensional structure microelectrodes and apparatus for measuring quality；The electrolyte solution, for incorporating the air to be detected after dehumidifying, the particle in air to be detected is set to be mixed into institute State electrolyte solution；The different dimensional structure microelectrodes, for providing the electric field of gradient for the electrolyte solution, make to be mixed into the electrolysis The particle of matter solution is separated and is deposited on corresponding microelectrode by the magnitude range of particle radius；The apparatus for measuring quality, for by measuring quality of the microelectrode before and after deposited particles, obtaining different radii The quality of range of particle；The remote server, it is additionally operable to the volume according to the air to be detected after dehumidifying and the different radii scope The quality of grain, the concentration value of different radii range of particle in the air to be detected is calculated.
- A kind of 8. air quality detection system according to claim 6 or 7, it is characterised in that the air particles number inspection Surveying device includes：Light emission component and light-receiving component；The light emission component, for launching the air to be detected after light beam irradiation dehumidifies；The light-receiving component, for receiving the scattering light that particle scatters in the air to be detected after dehumidifying, and by institute The luminous intensity for stating scattering light is sent to the remote server；The remote server, it is additionally operable to the relation pair of the luminous intensity and the luminous intensity of the scattering light according to the transmitting light beam Formula is answered, the granule number of the air to be detected after dehumidifying is calculated.
- A kind of 9. air quality detection system according to claim 8, it is characterised in that the air quality detection system Also include：Pm2.5 cutters；The pm2.5 cutters, for the air to be detected after dehumidifying to be separated by the magnitude range of particle radius Obtain the different multigroup air to be detected of particle radius；The light emission component, irradiate the different multigroup air to be detected of the particle radius specifically for transmitting light beam；The light-receiving component, dissipated specifically for receiving respectively through particle in the different multigroup air to be detected of the particle radius The scattering light penetrated；And the luminous intensity of the scattering light is sent to the remote server.The remote server, specifically for being treated according to multigroup different from the particle radius of luminous intensity of the transmitting light beam The relation pair of the luminous intensity for the scattering light that particle scatters answers formula in detection air, and it is different that the particle radius is calculated respectively Multigroup air to be detected granule number；The remote server, it is additionally operable to different with the particle radius according to the volume of the air to be detected after dehumidifying The granule number of multigroup air to be detected, the granule density value of variable grain radius in the air to be detected is calculated.
- A kind of 10. air quality systems according to claim 6 or 7, it is characterised in that the air quality detection system Including：Filter membrane, β radiation-emitting devices, β particle reception devices；The filter membrane, for being filtered to the air to be detected after dehumidifying, it is deposited on the particle in air to be detected On the filter membrane；The β radiation-emitting devices, for launching filter membrane described in β radiation exposures；The β particles reception device, the β particles for receiving β ray emissions for receiving the filter membrane and going out, declines according to the β rays Subtract technology and obtain the granule number in the air to be detected, and the granule number in the air to be detected is sent to described long-range Server；The remote server, it is additionally operable to the volume according to the air to be detected after the dehumidifying and the air to be detected In granule number, the air middle particle concentration value to be detected is calculated.
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