CN109187874A - Regional air quality intelligent real-time publishing system - Google Patents
Regional air quality intelligent real-time publishing system Download PDFInfo
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- CN109187874A CN109187874A CN201811125422.6A CN201811125422A CN109187874A CN 109187874 A CN109187874 A CN 109187874A CN 201811125422 A CN201811125422 A CN 201811125422A CN 109187874 A CN109187874 A CN 109187874A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 92
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 21
- 238000011897 real-time detection Methods 0.000 claims description 18
- 230000008447 perception Effects 0.000 claims description 16
- 230000002776 aggregation Effects 0.000 claims description 15
- 238000004220 aggregation Methods 0.000 claims description 15
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 14
- 239000002689 soil Substances 0.000 claims description 11
- 230000007812 deficiency Effects 0.000 claims description 8
- 239000001569 carbon dioxide Substances 0.000 claims description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 7
- 238000013480 data collection Methods 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 6
- 239000003344 environmental pollutant Substances 0.000 claims description 6
- 231100000719 pollutant Toxicity 0.000 claims description 6
- 239000002341 toxic gas Substances 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 2
- 230000005484 gravity Effects 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000006855 networking Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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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
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
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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
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Abstract
The present invention provides regional air quality intelligent real-time publishing system, which includes data acquisition module, data publication terminal, line module；The air quality monitoring Data Concurrent that data acquisition module is used to acquire in air quality monitoring region is sent to data publication terminal；The data publication terminal is connect with multiple line modules, and the air quality monitoring data received are sent to the multiple line module.
Description
Technical field
The present invention relates to air monitering technical fields, and in particular to regional air quality intelligent real-time publishing system.
Background technique
Current Detection of Air Quality generally requires professional and visits with instrument, one time an of intelligent measurement
The data of point or a period, cannot reflect the variation of air quality, and be unable to multi-parameter while acquiring, can not be intelligent
The drawbacks such as networking.Air quality monitoring be mainly in air the conventional pollution factor and meteorologic parameter continuously exist within 24 hours
The data analyzed are supplied to client as the reference of air quality quality, and assist policy of environment protection by the monitoring of line, wherein to
Monitoring factors include: pollution particulate matter, carbon dioxide, oxygen, formaldehyde and other harmful substances etc..
Summary of the invention
In view of the above-mentioned problems, the present invention provides regional air quality intelligent real-time publishing system.
The purpose of the present invention is realized using following technical scheme:
Regional air quality intelligent real-time publishing system is provided, which includes data acquisition module, data publication end
End, multiple line modules；Data acquisition module is used to acquire the air quality monitoring data in air quality monitoring region, data
Acquisition module includes that single aggregation node, four relay nodes and multiple sensor nodes, the aggregation node are deployed in setting
Data collection zone domain center, four relay nodes are set to the different location in the domain of data collection zone, and in four
Identical as the distance between aggregation node after node, the multiple sensor node needs to be deployed in the number according to actual monitoring
According in pickup area；Sensor node is responsible for acquiring air quality monitoring data and is sent to air quality monitoring data wherein
Received air quality monitoring data single-hop is sent to aggregation node, aggregation node convergence by one relay node, relay node
The received air quality monitoring data of institute, and it is sent to the data publication terminal；The data publication terminal and multiple users
The air quality monitoring data received are sent to the multiple line module by module connection.
In one embodiment, sensor node is equipped with sensor module, and sensor module includes with lower sensor
It is one or more:
Dust sensor, the concentration for the dust pollution object in air quality monitoring region described in real-time detection；
PM2.5 sensor, the concentration for the PM2.5 pollutant in air quality monitoring region described in real-time detection；
Formaldehyde sensor, the concentration for the formaldehyde pollutants in air quality monitoring region described in real-time detection；
Toxic gas sensor, the concentration for the toxic gas in air quality monitoring region described in real-time detection；
Peculiar smell sensor, the concentration for the peculiar smell in air quality monitoring region described in real-time detection；
Carbon dioxide sensor, the concentration for the carbon dioxide in air quality monitoring region described in real-time detection.
In one embodiment, the data publication terminal includes the air matter for storing each sensor node acquisition
It is single to measure the storage unit of monitoring data, the information display of air quality monitoring data for showing the acquisition of each sensor node
Member, and the release unit for air quality monitoring data to be sent to the multiple line module.
Further, the data publication terminal further includes online alarm unit, for air quality monitoring data into
Row analysis, exports warning message when air quality monitoring data do not meet the threshold condition of setting.
The invention has the benefit that realizing the air quality in certain area using wireless sensor network technology
The acquisition of monitoring data, and the real-time release of air quality monitoring data can be completed.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings, but the embodiment in attached drawing is not constituted to any limit of the invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
Fig. 1 is the structural representation frame of the regional air quality intelligent real-time publishing system of an illustrative embodiment of the invention
Figure；
Fig. 2 is the structural schematic block diagram of the data publication terminal of an illustrative embodiment of the invention.
Appended drawing reference:
Data acquisition module 1, data publication terminal 2, line module 3, storage unit 10, information display unit 20, publication
Unit 30, online alarm unit 40.
Specific embodiment
The invention will be further described with the following Examples.
Referring to Fig. 1, the embodiment of the invention provides regional air quality intelligent real-time publishing system, which includes data
Acquisition module 1, data publication terminal 2, multiple line modules 3；Data acquisition module 1 is for acquiring in air quality monitoring region
Air quality monitoring data, data acquisition module 1 include single aggregation node, four relay nodes and multiple sensor sections
Point, the aggregation node are deployed in the center in the data collection zone domain of setting, and four relay nodes are set to data acquisition
Different location in region, and four relay nodes are identical as the distance between aggregation node, the multiple sensor node is pressed
According to the facts border monitoring needs are deployed in the data collection zone domain；Sensor node is responsible for acquisition air quality monitoring data and will
Air quality monitoring data are sent to one of relay node, and relay node sends out received air quality monitoring data single-hop
It send to aggregation node, the received air quality monitoring data of aggregation node convergence institute, and is sent to the data publication terminal 2；
The data publication terminal 2 is connect with multiple line modules 3, the air quality monitoring data received is sent to described more
A line module 3.
In one embodiment, sensor node is equipped with sensor module, and sensor module includes with lower sensor
It is one or more:
Dust sensor, the concentration for the dust pollution object in air quality monitoring region described in real-time detection；
PM2.5 sensor, the concentration for the PM2.5 pollutant in air quality monitoring region described in real-time detection；
Formaldehyde sensor, the concentration for the formaldehyde pollutants in air quality monitoring region described in real-time detection；
Toxic gas sensor, the concentration for the toxic gas in air quality monitoring region described in real-time detection；
Peculiar smell sensor, the concentration for the peculiar smell in air quality monitoring region described in real-time detection；
Carbon dioxide sensor, the concentration for the carbon dioxide in air quality monitoring region described in real-time detection.
In one embodiment, as shown in Fig. 2, the data publication terminal 2 includes for storing each sensor node
The storage unit 10 of the air quality monitoring data of acquisition, and the air quality monitoring for showing each sensor node acquisition
The information display unit 20 of data.Data publication terminal 2 further includes the multiple for being sent to air quality monitoring data
The release unit 30 of line module 3.
Further, the data publication terminal 2 further includes online alarm unit 40, for air quality monitoring data
It is analyzed, exports warning message when air quality monitoring data do not meet the threshold condition of setting.The output alarm
Information, including warning message is exported to multiple line modules 3, and/or export warning message to information display unit 20.
The present embodiment realizes the timely early warning to air quality exception.
The wherein setting of threshold condition can be configured according to the actual situation.It in one embodiment, can be for not
Different level threshold values is set with air quality monitoring data, when air quality monitoring data determine beyond corresponding level threshold value
The air quality monitoring data are abnormal, and then export warning message.Wherein, which may include abnormal air quality
Monitoring data, and/or the position that abnormal air quality monitoring data generate.
The above embodiment of the present invention utilizes wireless sensor network technology, realizes the air quality monitoring in certain area
The acquisition of data, and the real-time release of air quality monitoring data can be completed.
In a kind of mode that can be realized, soil quality perception data is sent to one of relaying by sensor node
Node, specifically: when sensor node is no more than the distance threshold of setting at a distance from nearest relay node, sensor node
Soil quality perception data is directly sent to the nearest relay node, otherwise, calculates the weight of its neighbor node, and select
The neighbor node of maximum weight is sent to the next-hop node as next-hop node, by soil quality perception data, described
Neighbor node is remaining sensor node in sensor node communication range.
Wherein, the calculation formula of the weight are as follows:
In formula, SkqFor the weight of q-th of neighbor node of sensor node k, WkqIt is adjacent with its q-th for sensor node k
The distance of node is occupied,It is q-th of neighbor node at a distance from t-th of relay node, WkαFor sensor node k and its
The distance of the α neighbor node,It is the α neighbor node at a distance from t-th of relay node, nkFor sensor section
The neighbor node number of point k, e1、e2For the weight coefficient of setting.
The calculation formula for setting weight of the present embodiment novelty, in the present embodiment, sensor node and recently in
Select the maximum neighbor node of weight as next-hop node when the distance of node is more than the distance threshold of setting, by soil matter
Amount perception data is sent to the next-hop node, is conducive to save the energy consumption that soil quality perception data is transmitted to relay node,
Further save cost of the system in terms of soil quality perception data collection.
The present invention realizes the monitoring of agricultural land soil quality, can the case where soil be recorded and be analyzed in real time,
Soil quality perception data is unsatisfactory for timely early warning when condition, improves the degree of automation and data acquisition essence of farmland monitoring
Degree.
In a kind of mode that can be realized, multiple sensor nodes are needed to be deployed in the monitoring according to actual monitoring
After in region, monitoring region is averagely divided into G square net region, from g monitoring requirements of G square net regional choice
The region of great efforts judges whether region to be optimized meets coverage rate deficiency condition as region to be optimized, if it exists to excellent
Change region j and meet coverage rate deficiency condition, then increases deployment sensor node in region j to be optimized；Sensor node model
It can be in [P using the perception radius of Boolean sense model, sensor node the perception radius isomery, any sensor nodemin, Pmax]
It is adjusted in range, wherein PmaxAnd PminIt is divided into the bound of sensor node the perception radius, sets the coverage rate deficiency condition
Are as follows:
In formula, naIndicate the sensor node quantity disposed in a-th of region to be optimized, HaIt is to be optimized for described a-th
The area in region；FTFor preset coverage rate threshold value, i is monitoring requirements dynamics impact factor, the value range of i be [0.10,
0.20]。
After multiple sensor nodes are needed to be deployed in the monitoring region by the present embodiment according to actual monitoring, it will monitor
Region is averagely divided into multiple square net regions, therefrom selects monitoring requirements square net region with stronger dynamics as to excellent
Change region, and whether the network coverage for detecting region to be optimized is too low.It is to be optimized that the present embodiment innovatively sets detection
The whether too low standard of the network coverage in region, i.e. coverage rate deficiency condition, and then in the area for meeting coverage rate deficiency condition
Increase deployment sensor node in domain, is conducive to the sensor node in optimization monitoring demand square net region with stronger dynamics
Deployment, further ensures monitoring requirements, promotes the Monitoring Performance of wireless sensor network.
In one embodiment, increase deployment sensor node in region j to be optimized, comprising:
(1) region j to be optimized is divided into multiple square net subregions, calculates each square grid grid according to the following formula
The maximum possible coverage rate in region:
In formula, FdFor the maximum possible coverage rate of d-th of square net subregion in region j to be optimized, ndFor the d
Sensor node quantity in a square net subregion, HdFor the size of d-th of square net subregion,For
Preset regulatory factor,Value range be [0.20,0.40]；
(2) the average maximum possible coverage rate F of all square net subregions is calculatedavg, maximum possible coverage rate is less than
FavgSquare net subregion increase region as node；
(3) increase in each node and increase by 1 sensor node of deployment in region.
In one embodiment, described increase in each node increases by 1 sensor node of deployment in region, specifically
Are as follows: if node, which increases, does not have sensor node in region, increase by 1 sensor of deployment in the center that node increases region
Node；If node, which increases, has been deployed with sensor node in region, calculate node increases the position of centre of gravity in region, and with node
Increase in the square net subregion of area adjacency, chooses with the nearest sensor node of the position of centre of gravity as benchmark section
Point increases by 1 sensor node of deployment in the midpoint of position of centre of gravity and the datum node line；Wherein according to the following formula
Calculate node increases the position of centre of gravity in region:
In formula, rcIndicate that node increases the position of centre of gravity of region c, x (b) indicates that the node increases b-th of biography in the c of region
The abscissa of sensor node position, y (b) are the ordinate of b-th of sensor node position, wherein with convergence
Node is coordinate origin, ncIncrease the sensor node number that region c has for the node.
The present embodiment set in region to be optimized increase deployment sensor node specific mechanism, the mechanism pass through by
Region to be optimized is divided into multiple square net subregions, determines that node increases region based on maximum possible coverage rate, and further
It sets to increase in node and increases the specific location method of determination for disposing sensor node in region.The present embodiment is conducive to increasing
Add the further distribution of balanced sensor node on the basis of the network coverage, reduces covering cavity to the greatest extent, and then promoted wireless
The Monitoring Performance of sensor network extends network lifetime.
Using above-mentioned wireless sensor network technology, the present invention realize the acquisition to air quality monitoring data and in real time
Publication.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (6)
1. regional air quality intelligent real-time publishing system, characterized in that including data acquisition module, data publication terminal, use
Family module；Data acquisition module is used to acquire the air quality monitoring data in air quality monitoring region, data acquisition module
It is adopted including single aggregation node, four relay nodes and multiple sensor nodes, the data that the aggregation node is deployed in setting
Collect the center in region, four relay nodes are set to the different location in the domain of data collection zone, and four relay nodes with
The distance between aggregation node is identical, and the multiple sensor node needs to be deployed in the data collection zone according to actual monitoring
In domain；Sensor node is responsible for acquiring air quality monitoring data and air quality monitoring data is sent to one of relaying
Received air quality monitoring data single-hop is sent to aggregation node by node, relay node, and aggregation node convergence institute is received
Air quality monitoring data, and it is sent to the data publication terminal；The data publication terminal is connect with multiple line modules,
The multiple line module is sent to the air quality monitoring data that will be received.
2. regional air quality intelligent real-time publishing system according to claim 1, characterized in that sensor node is equipped with
Sensor module, sensor module include with the one or more of lower sensor:
Dust sensor, the concentration for the dust pollution object in air quality monitoring region described in real-time detection；
PM2.5 sensor, the concentration for the PM2.5 pollutant in air quality monitoring region described in real-time detection；
Formaldehyde sensor, the concentration for the formaldehyde pollutants in air quality monitoring region described in real-time detection；
Toxic gas sensor, the concentration for the toxic gas in air quality monitoring region described in real-time detection；
Peculiar smell sensor, the concentration for the peculiar smell in air quality monitoring region described in real-time detection；
Carbon dioxide sensor, the concentration for the carbon dioxide in air quality monitoring region described in real-time detection.
3. regional air quality intelligent real-time publishing system according to claim 1, characterized in that the data publication is whole
End includes for storing the storage unit for the air quality monitoring data that each sensor node acquires, for showing each sensor section
The information display unit of the air quality monitoring data of point acquisition, and it is described more for being sent to air quality monitoring data
The release unit of a line module.
4. regional air quality intelligent real-time publishing system according to claim 3, characterized in that the data publication is whole
End further includes online alarm unit, for analyzing air quality monitoring data, is not met in air quality monitoring data
Warning message is exported when the threshold condition of setting.
5. regional air quality intelligent real-time publishing system according to claim 1, characterized in that sensor node will be native
Loamy texture amount perception data is sent to one of relay node, specifically: sensor node is at a distance from nearest relay node
No more than setting distance threshold when, soil quality perception data is directly sent to the nearest relaying section by sensor node
Otherwise point calculates the weight of its neighbor node, and select the maximum neighbor node of weight as next-hop node, by soil matter
Amount perception data is sent to the next-hop node, and the neighbor node is remaining biography in sensor node communication range
Sensor node.
6. regional air quality intelligent real-time publishing system according to claim 1, characterized in that by multiple sensor sections
It presses after according to the facts border monitoring needs are deployed in the monitoring region, monitoring region is averagely divided into G square net region,
From the region of g monitoring requirements great efforts of G square net regional choice as region to be optimized, and judge that region to be optimized is
No to meet coverage rate deficiency condition, region j to be optimized meets coverage rate deficiency condition if it exists, then increases in region j to be optimized
Add deployment sensor node；Sensor node model uses Boolean sense model, and sensor node the perception radius isomery is any to pass
The perception radius of sensor node can be in [Pmin, Pmax] adjust in range, wherein PmaxAnd PminIt is divided into sensor node the perception radius
Bound, set the coverage rate deficiency condition are as follows:
In formula, naIndicate the sensor node quantity disposed in a-th of region to be optimized, HaFor described a-th region to be optimized
Area；FTFor preset coverage rate threshold value, i is monitoring requirements dynamics impact factor, and the value range of i is [0.10,0.20].
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