CN109613183A - Low accuracy monitoring device data revises method and system - Google Patents
Low accuracy monitoring device data revises method and system Download PDFInfo
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- CN109613183A CN109613183A CN201910005779.9A CN201910005779A CN109613183A CN 109613183 A CN109613183 A CN 109613183A CN 201910005779 A CN201910005779 A CN 201910005779A CN 109613183 A CN109613183 A CN 109613183A
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- pollutant
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/007—Arrangements to check the analyser
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0006—Calibrating gas analysers
Abstract
What the application provided low accuracy monitoring device data revises method and system.The described method includes: at least one first low accuracy monitoring equipment is confirmed as quality control apparatus；The quality control apparatus is arranged in the preset range of standard device；Determine that the standard device monitors that the monitor value of pollutant and the quality control apparatus monitor the characteristic relation between the first monitor value of pollutant；The second monitor value based on the characteristic relation the second low accuracy monitoring equipment monitoring of amendment to pollutant.
Description
Technical field
This application involves air quality monitoring technical fields, and in particular to low accuracy monitoring device data revise method and
System.
Background technique
Present inventor recognizes a kind of atmosphere monitoring and managing method based on hot spot grid.This method first divides area under one's jurisdiction
At the grid of several fixed sizes, the wherein more serious hot spot grid of damage ratio is determined, then install for these net regions
High-density air quality monitoring device carries out consistently online monitoring, finds that disposal of pollutants is abnormal in time, notice relevant person in charge into
Row is checked on the spot.
Each hot spot grid domestic demand will dispose the monitoring device for continuous automatic inspection the state of air pollution, for identification
Pollution sources in grid, simultaneously because the atmosphere pollution source emission intensity of different zones is different in grid, deployment monitoring device is also
Atmosphere pollution space distribution situation in certain area can be monitored, realizes supervision effect.
With PM2.5Monitoring for, currently, domestic external monitor PM2.5Usually by two class methods, one kind is certain by having
The sampler of cutting characteristic extracts determined volume air with constant speed, makes the PM of surrounding air2.5It is trapped within the sky of known quality
On air filter film, according to the weight difference and sampling volume of filter membrane before and after sampling, PM is calculated2.5Concentration.Although such method precision compared with
Height, but need to expend a large amount of manpower and material resources, and continuous monitor value cannot be obtained.Another kind of is automatic monitoring method, is commonly used
The monitoring principle of automated monitor be usually β ray method and micro oscillation sedimentation balance method, such equipment monitoring precision is higher and supervises
Result is surveyed to stablize, but expensive, higher cost.
Low precision PM2.5Monitoring device can be realized effective measurement to distribution of particles and speed, and its price is relatively
It is low, it is more suitable for PM in building certain area2.5Density monitoring system.
But low precision PM2.5Monitoring device is based on light scattering principle, by measuring scattered light intensity, recycles quality dense
Conversion coefficient is spent, particulate matter quality concentration can be finally calculated.The transfer characteristic relationship by particulate matter size, density, shape and
The many factors such as optical characteristics influence, therefore measurement result has a certain difference with practical situation.Other atmosphere pollution
The monitoring device of object such as PM10, SO2, NO2Etc. monitoring devices all with PM2.5It is similar, it is required to promote the precision of its monitoring result.
The method for promoting low accuracy monitoring equipment precision at present generally uses multiple equipment while monitoring is averaged, but this
Kind method can have systematic error；Or the monitoring time of the low accuracy monitoring equipment of increase, in this way valid data of its monitoring are just
Greatly reduce.
Summary of the invention
What the embodiment of the present application provided a kind of low accuracy monitoring device data revises method, which comprises at least
One the first low accuracy monitoring equipment is confirmed as quality control apparatus；The quality control apparatus is arranged at standard device
In preset range；Determine that the standard device monitors that the monitor value of pollutant and the quality control apparatus monitor pollutant
The first monitor value between characteristic relation；The second low accuracy monitoring equipment monitoring is corrected to pollutant based on the characteristic relation
The second monitor value.
What the embodiment of the present application also provided a kind of low accuracy monitoring device data revises system.The system comprises quality controls
Control equipment, standard device, the second low accuracy monitoring equipment, controller, the quality control apparatus include that at least one is first low
Accuracy monitoring equipment, is arranged in the preset range of standard device, and the first monitor value of the pollutant monitored is sent to control
Device；The standard device, is arranged on and needs position, will monitor the monitor value of pollutant, is sent to the controller；Described
Two low accuracy monitoring equipment, setting monitor that the second monitor value of pollutant is sent to the controller in monitoring position, acquisition；Institute
Controller is stated, determines that the standard device monitors that the monitor value of pollutant and the quality control apparatus monitor pollutant
Characteristic relation between first monitor value corrects second monitor value based on the characteristic relation.
The technical solution that embodiments herein provides, the data that can reduce low accuracy monitoring equipment monitoring to the greatest extent are missed
Difference reflects actual conditions, guarantees that it puts into actual motion and obtains reliable monitoring result, finds existing atmosphere polluting problem
And it is implemented to supervise.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is that a kind of low accuracy monitoring device data that one embodiment of the application provides revises method flow schematic diagram；
Fig. 2 is that a kind of method flow that revises for low accuracy monitoring device data that another embodiment of the application provides is illustrated
Figure；
Fig. 3 is that a kind of low accuracy monitoring device data that one embodiment of the application provides revises system composition schematic diagram；
Fig. 4 is that a kind of system composition that revises for low accuracy monitoring device data that another embodiment of the application provides is illustrated
Figure.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below with reference to drawings and examples,
The specific embodiment progress of technical scheme in further detail, is clearly illustrated.However, specific implementations described below
Mode and embodiment are for illustrative purposes only, rather than the limitation to the application.It only contains the implementation of the application a part
Example, instead of all the embodiments, the other embodiments that those skilled in the art obtain the various change of the application all belong to
In the range of the application protection.
Although it should be understood that the first, second, third, etc. term can be used in this article be used to describe various elements or
Component, but these elements or component should not be limited by these terms.These terms only to distinguish an element or component with
Another element or component.Therefore, the first element or component of following the discussion, holds within the application not departing from, is referred to alternatively as
Second element or the second component.
Fig. 1 is that a kind of low accuracy monitoring device data that one embodiment of the application provides revises method flow schematic diagram,
Include the following steps.
In step s 110, at least one first low accuracy monitoring equipment is confirmed as quality control apparatus.
First low accuracy monitoring equipment includes but is not limited to PM2.5Low accuracy monitoring equipment, PM10Low accuracy monitoring equipment,
SO2Low accuracy monitoring equipment, NO2One kind of low accuracy monitoring equipment.Wherein, SO2For sulfur dioxide, NO2For nitrogen dioxide.Matter
Amount control equipment is at least one determined first low accuracy monitoring equipment.
First low accuracy monitoring equipment is generally basede on light scattering method principle and is made, and by measuring scattered light intensity, recycles
Mass concentration conversion coefficient can finally calculate particulate matter quality concentration.The conversion is than sexual intercourse by particulate matter size, close
The many factors such as degree, shape and optical characteristics influence, therefore measurement result has a certain difference with practical situation.First
Low accuracy monitoring equipment is also possible to work according to other principle, is not limited thereto.
In the present embodiment, can be selected from the first low accuracy monitoring equipment equipment similar in one group of precision directly as
Quality control apparatus.Be also possible to using a part of first low accuracy monitoring equipment as quality control apparatus utilize standard device into
Row comparativity compares.The practical process that comparativity compares is exactly the process selected the precision of quality control apparatus, is selected
Quality control apparatus similar in one group of precision, undesirable set of quality control apparatus reject or return factory-run school again just.
Standard device includes the air quality monitoring equipment for meeting preassigned technical requirements, for example, based on β ray method or
The equipment of micro oscillation sedimentation balance method construction.
In the step s 120, quality control apparatus is arranged in the preset range of standard device.
Quality control apparatus and standard device are arranged into monitoring field, quality control apparatus is arranged at standard device
In preset range, which can be set as needed, and be generally located within 100 meters, such as be set as 2~3m, not
As limit.
In step s 130, determine that standard device monitors that the monitor value of pollutant monitors to pollute with quality control apparatus
Characteristic relation between first monitor value of object.
In the present embodiment, determine that standard device monitors the monitor value and quality of pollutant using model or other modes
Equipment monitoring is controlled to the characteristic relation between the first monitor value of pollutant, model includes but is not limited to classical theory of statistics model
Or deep learning model.
The monitor value that standard device monitors pollutant is obtained, the quality control obtained in standard device preset range is set
Standby the first monitor value for monitoring pollutant, then determines that standard device monitors the monitor value and quality of pollutant using model
Equipment monitoring is controlled to the characteristic relation between the first monitor value of pollutant.
In the present embodiment, with PM2.5For, such as the PM for observing pollutant A2.5Concentration, quality control apparatus
First monitor value is x, and the monitor value of standard device is y, and the two can obtain characteristic relation y=kx+b by least square method,
K, b is parameter.
In step S140, the second monitoring of the second low accuracy monitoring equipment monitoring to pollutant is corrected based on characteristic relation
Value.
Second low accuracy monitoring equipment includes but is not limited to PM2.5Low accuracy monitoring equipment, PM10Low accuracy monitoring equipment,
SO2Low accuracy monitoring equipment, NO2One kind of low accuracy monitoring equipment.Wherein, SO2For sulfur dioxide, NO2For nitrogen dioxide.
Wherein, the first low accuracy monitoring equipment and the second low accuracy monitoring equipment are same equipment.Second low precision
PM2.5Monitoring device is based on light scattering principle, and by measuring scattered light intensity, recycling mass concentration conversion coefficient can be final
Calculate particulate matter quality concentration.The position that second low accuracy monitoring deployed with devices is monitored to needs obtains the second low precision prison
Measurement equipment monitors the second monitor value of pollutant.
Second monitor value of the second low accuracy monitoring equipment is substituted into above-mentioned characteristic relation, the second low precision prison can be obtained
The correction value of the result of measurement equipment.
The technical solution that embodiments herein provides, the data that can reduce low accuracy monitoring equipment monitoring to the greatest extent are missed
Difference reflects actual conditions, guarantees that it puts into actual motion and obtains reliable monitoring result, finds existing atmosphere polluting problem
And it is implemented to supervise.
Fig. 2 is that a kind of method flow that revises for low accuracy monitoring device data that another embodiment of the application provides is illustrated
Figure, includes the following steps.
In step S210, at least one first low accuracy monitoring equipment is confirmed as quality control apparatus.
In step S220, quality control apparatus is arranged in the preset range of standard device.
In step S230, determine that standard device monitors that the monitor value of pollutant monitors to pollute with quality control apparatus
Characteristic relation between first monitor value of object.
In step S240, the second monitoring of the second low accuracy monitoring equipment monitoring to pollutant is corrected based on characteristic relation
Value.
In step s 250, according to the first default time limit, monitor value and quality that standard device monitors pollutant are updated
Equipment monitoring is controlled to the characteristic relation between the first monitor value of pollutant.
Variation and equipment itself due to environment can generate data wander, and determining characteristic relation can inaccuracy and no longer
It is applicable in, needs to be updated characteristic relation according to the first default time limit.First default time limit, which can according to need, to be configured,
It can also periodically or non-periodically be not limited thereto.
In step S260, according to the second default time limit, the control of characteristic relation correction mass is based on using standard device and is set
It is standby.
Quality control apparatus derives from the first low accuracy monitoring equipment, is affected by environment etc. factor, therefore
They similarly can measure inaccuracy or generate data wander since the time is longer.It needs according to the second default phase
Limit is based on characteristic relation correction mass using standard device and controls equipment.Second default time limit, which can according to need, to be configured,
It can also periodically or non-periodically be not limited thereto.
In the present embodiment, step S210, step S110, S120 in S220, S230, S240 and above-described embodiment, S130,
S140 is identical, repeats no more.
The technical solution that embodiments herein provides, periodically or non-periodically renewing speciality relationship and correction mass control
Equipment can be further reduced the data error of low accuracy monitoring equipment monitoring, guarantee that it puts into actual motion and obtain reliably
Monitoring result.
Fig. 3 is that a kind of low accuracy monitoring device data that one embodiment of the application provides revises system composition schematic diagram,
System includes standard device 31, the second low accuracy monitoring equipment 32, quality control apparatus 33, controller 34.
Quality control apparatus 33 includes at least one first low accuracy monitoring equipment, is arranged in 31 preset range of standard device
It is interior, the first monitor value of the pollutant monitored is sent to controller 34.Standard device 31, which is arranged on, needs position, will monitor
Monitor value to pollutant is sent to controller 34.In monitoring position, acquisition monitors dirt for the second low setting of accuracy monitoring equipment 32
Second monitor value of dye object is sent to controller 34.Controller 34 determines that standard device 31 monitors the monitor value and quality of pollutant
Control equipment 33 monitors the characteristic relation between the first monitor value of pollutant, based on the second monitoring of characteristic relation amendment
Value.
First low accuracy monitoring equipment is identical with the second low 32 type of accuracy monitoring equipment, including but not limited to PM2.5Low essence
Spend monitoring device, PM10Low accuracy monitoring equipment, SO2Low accuracy monitoring equipment, NO2One kind of low accuracy monitoring equipment.Standard is set
Standby 31 air quality monitoring equipments including meeting preassigned technical requirements, such as based on β ray method or micro oscillation sedimentation balance method
The equipment of construction.Quality control apparatus 33 includes at least one determined first low accuracy monitoring equipment.
Fig. 4 is that a kind of system composition that revises for low accuracy monitoring device data that another embodiment of the application provides is illustrated
Figure, system includes standard device 31, the second low accuracy monitoring equipment 32, quality control apparatus 33, controller 44.
Quality control apparatus 33 includes at least one determined first low accuracy monitoring equipment, is arranged in standard device 31
In preset range, the first monitor value of the pollutant monitored is sent to controller 44.Standard device 31, which is arranged on, needs position
It sets, the monitor value for monitoring pollutant is sent to controller 44.The second low setting of accuracy monitoring equipment 32 is obtained in monitoring position
Monitor that the second monitor value of pollutant is sent to controller 44.Controller 44 determines that standard device 31 monitors the monitoring of pollutant
Value and quality control apparatus 33 monitor the characteristic relation between the first monitor value of pollutant, based on characteristic relation amendment the
Two monitor values.
First low accuracy monitoring equipment is identical with the second low 32 type of accuracy monitoring equipment, including but not limited to PM2.5Low essence
Spend monitoring device, PM10Low accuracy monitoring equipment, SO2Low accuracy monitoring equipment, NO2One kind of low accuracy monitoring equipment.Standard is set
Standby 31 air quality monitoring equipments including meeting preassigned technical requirements, such as based on β ray method or micro oscillation sedimentation balance method
The equipment of construction.Quality control apparatus 33 includes at least one determined first low accuracy monitoring equipment.
Controller 44 includes relationship determination module 441, correction module 442.
Relationship determination module 441 determines that standard device 31 monitors that the monitor value of pollutant is set with quality control using model
Standby 33 monitor the characteristic relation between the first monitor value of pollutant, and model includes but is not limited to classical theory of statistics model or depth
Spend learning model.Correction module 442 is based on characteristic relation and corrects the second monitor value.
Relationship determination module 441 includes modeling module, model computation module.
Modeling module establishes classical theory of statistics model or deep learning model.Model computation module utilizes classical theory of statistics mould
Type or deep learning model determine that standard device monitors that the monitor value of pollutant and quality control apparatus monitor pollutant
Characteristic relation between first monitor value.
It should be noted that each embodiment above by reference to described in attached drawing is only to illustrate the application rather than limits this
The range of application, those skilled in the art should understand that, it is right under the premise of not departing from spirit and scope
The modification or equivalent replacement that the application carries out, should all cover within the scope of the present application.In addition, signified unless the context
Outside, the word occurred in the singular includes plural form, and vice versa.In addition, unless stated otherwise, then any embodiment
All or part of in combination with any other embodiment all or part of come using.
Claims (10)
1. a kind of low accuracy monitoring device data revises method, which is characterized in that the described method includes:
At least one first low accuracy monitoring equipment is confirmed as quality control apparatus；
The quality control apparatus is arranged in the preset range of standard device；
Determine that the standard device monitors that the monitor value of pollutant and the quality control apparatus monitor the first of pollutant
Characteristic relation between monitor value；
The second monitor value based on the characteristic relation the second low accuracy monitoring equipment monitoring of amendment to pollutant.
2. the method according to claim 1, wherein the method also includes:
According to the first default time limit, the characteristic relation is updated.
3. the method according to claim 1, wherein the method also includes:
According to the second default time limit, the quality control apparatus is corrected based on the characteristic relation.
4. the method according to claim 1, wherein the determination standard device monitors the prison of pollutant
Measured value and the quality control apparatus monitor the characteristic relation between the first monitor value of pollutant, comprising:
Determine that the standard device monitors that the monitor value of pollutant monitors to pollute with the quality control apparatus using model
Characteristic relation between first monitor value of object, the model include classical theory of statistics model or deep learning model.
5. the method according to claim 1, wherein the preset range is within 100 meters.
6. a kind of low accuracy monitoring device data revises system, which is characterized in that the system comprises:
Quality control apparatus, including at least one first low accuracy monitoring equipment, are arranged in the preset range of standard device, will
First monitor value of the pollutant monitored is sent to controller；
The standard device, is arranged on and needs position, will monitor the monitor value of pollutant, is sent to the controller；
Second low accuracy monitoring equipment, setting monitor that the second monitor value of pollutant is sent to the control in monitoring position, acquisition
Device processed；
The controller determines that the standard device monitors that the monitor value of pollutant and the quality control apparatus monitor dirt
The characteristic relation between the first monitor value of object is contaminated, second monitor value is corrected based on the characteristic relation.
7. system according to claim 6, which is characterized in that the controller includes:
Relationship determination module determines that the standard device monitors that the monitor value of pollutant is monitored with the quality control apparatus
Characteristic relation between first monitor value of pollutant；
Correction module corrects second monitor value based on the characteristic relation.
8. system according to claim 7, which is characterized in that the relationship determination module includes:
Modeling module, establishes model, and the model includes classical theory of statistics model or deep learning model；
Model computation module, using the model determine the standard device monitor pollutant monitor value and the quality control
Control equipment monitors the characteristic relation between the first monitor value of pollutant.
9. system according to claim 6, which is characterized in that the first low accuracy monitoring equipment and the second low essence
It is identical to spend monitoring device, including PM2.5Low accuracy monitoring equipment, PM10Low accuracy monitoring equipment, SO2Low accuracy monitoring equipment, NO2
One kind of low accuracy monitoring equipment.
10. system according to claim 6, which is characterized in that the standard device includes meeting preassigned technology to want
The air quality monitoring equipment asked.
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