CN110149610A - A kind of intelligent environment protection detection system - Google Patents
A kind of intelligent environment protection detection system Download PDFInfo
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- CN110149610A CN110149610A CN201910418937.3A CN201910418937A CN110149610A CN 110149610 A CN110149610 A CN 110149610A CN 201910418937 A CN201910418937 A CN 201910418937A CN 110149610 A CN110149610 A CN 110149610A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/04—Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources
- H04W40/10—Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources based on available power or energy
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The invention discloses a kind of intelligent environment protection detection system, which includes: data acquisition module, cloud server and monitoring center;Data acquisition module, it include: the multiple sensor nodes being spread in monitoring region at random and the base station equipment positioned at monitoring region center, sensor node is used to acquire the environmental data in monitoring region, and the environmental data of acquisition is transmitted to base station equipment, base station equipment converges the environmental data of each sensor node acquisition and is transmitted to cloud server.The environmental data in monitoring region is obtained by data acquisition module, by monitoring center according to the environmental data and preset air quality indexes of acquisition, it determines whether the air in monitoring region is contaminated, and then notifies staff to take specific aim measure in time to improve the environmental index in monitoring region.Environmental data collecting and transmission are carried out by wireless sensor network, without wiring, intelligence is convenient.
Description
Technical field
The present invention relates to environmental quality detection technique fields, and in particular to a kind of intelligent environment protection detection system.
Background technique
As development China economy of society is rapidly progressed, however environmental problem is but increasingly severeer, wherein especially
For it is outstanding be air pollution problems inherent, need to detect air in advance before administering air pollution then specific aim to
Solution out, however traditional air pollution detection system is more low to the ineffective and intelligence degree of air detection asks
Topic.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of intelligent environment protection detection system.
The purpose of the present invention is realized using following technical scheme:
A kind of intelligent environment protection detection system, the intelligent environment protection detection system include: data acquisition module, cloud server and
Monitoring center.
The data acquisition module, comprising: be spread in the multiple sensor nodes monitored in region at random and be located at monitoring
The base station equipment of regional center position, the sensor node are used to acquire the environmental data for monitoring region, and by the ring of acquisition
Border data are transmitted to the base station equipment, and the base station equipment converges the environmental data of each sensor node acquisition and is transmitted to
The cloud server;The monitoring center obtains the environmental data from the cloud server, and to the environmental data
It is analyzed and is handled, judge whether the environmental data in the monitoring region is more than preset air quality indexes, and super
It alarms when crossing the air quality indexes.
Preferably, the monitoring center includes a database, and the database is for storing the air quality indexes.
Preferably, the sensor node includes: granule dust sensor, volatile organic matter sensor, humidity sensor
One or more of device, PM2.5 sensor, formaldehyde sensor.
Preferably, the intelligent environment protection detection system further include: at least one client terminal, the client terminal with it is described
Monitoring center communication connection, is used for the testing result of monitoring center described in real-time reception.
Preferably, after sensor node to be spread in monitoring region at random, biography is suitably increased according to actual deployment scenario
Sensor node, specifically:
The density angle value for calculating each sensor node disposed, judges whether its density angle value is lower than dredging for setting
Density threshold, if disposing new sensor node in its communication zone lower than the density threshold value of setting, until the sensing
Density threshold value of the density angle value of device node not less than setting, wherein the density angle value of sensor node can pass through following formula meter
It obtains:
In formula,It is the density angle value of sensor node a, Rmax、RminIt is the maximum perception half of sensor node a respectively
Diameter and minimum the perception radius, v are the sensor node number disposed in the maximum sensing region of sensor node a, and w is to pass
The sensor node number disposed in the minimum sensing region of sensor node a, S1∪S2∪…∪SvIndicate v sensor
The gross area of node perceived area, S1∪S2∪…∪SwIndicate the gross area of w sensor node perceived area;
Until the density angle value of all sensor nodes disposed is not less than the density threshold value of setting, at this point,
Sensor node deployment is completed.
Preferably, after the completion of sensor node deployment, according to preset sub-clustering mechanism construction wireless sensor network.
Preferably, the preset sub-clustering mechanism is specifically:
(1) monitoring region is averagely divided into multiple rectangular subregions;
(2) base station equipment sends broadcast singal, all the sensors node operation in starting monitoring region, wherein institute
It states broadcast singal and carries the time tag that the base station equipment sends the broadcast singal;
(3) after each sensor node receives the broadcast singal, the Superiority Value that can respectively become cluster head is calculated, and
The data packet back of each self-information will be carried to the base station equipment, Superiority Value is maximum in the base station equipment selection subregion
Cluster head of the sensor node as respective sub-areas, wherein the Superiority Value that sensor node i becomes cluster head calculates according to the following formula:
In formula, ψ (i) is the Superiority Value that sensor node i becomes cluster head, di,BSIt is set for sensor node i and the base station
Standby space length, di,jFor the space length between sensor node i and sensor node j, wherein sensor node j refers to
Be: with sensor node of the sensor node i in same subregion, J is that the subregion is interior in addition to sensor node i
Remaining sensor node number,It indicates: except sensing in the subregion
The minimum value of the space length between remaining sensor node and the base station equipment other than device node i, E0It (i) is sensor
The primary power value of node i, EresIt (i) is the residual energy magnitude of current sensor node i, α is the energy attenuation factor;t1For institute
State the time point that sensor node i receives the broadcast message, t2The time point of broadcast singal is issued for the base station equipment,
tthFor preset time interval threshold value;
(4) the cluster head information for broadcasting oneself to the whole network as the sensor node of cluster head, with it in same subregion
Sensor node is added in the cluster head, becomes bunch member node.
Preferably, the client terminal includes: mobile phone, plate and desktop computer.
The invention has the benefit that the environmental data in monitoring region is obtained by data acquisition module, by monitoring
The heart determines whether the air in monitoring region is contaminated according to the environmental data and preset air quality indexes of acquisition, in turn
Staff is notified to take specific aim measure in time to improve the environmental index in monitoring region.By wireless sensor network into
Row environmental data collecting and transmission, without wiring, intelligence is convenient.
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 a kind of frame construction drawing of intelligent environment protection monitoring system provided in an embodiment of the present invention.
Appended drawing reference: data acquisition module 1, cloud server 2, monitoring center 3, client terminal 4.
Specific embodiment
The invention will be further described with the following Examples.
A kind of intelligent environment protection detection system, the intelligent environment protection detection system include: data acquisition module 1, cloud server 2
With monitoring center 3.
The data acquisition module 1, comprising: be spread in the multiple sensor nodes monitored in region at random and be located at monitoring
The base station equipment of regional center position, the sensor node are used to acquire the environmental data for monitoring region, and by the ring of acquisition
Border data are transmitted to the base station equipment, and the base station equipment converges the environmental data of each sensor node acquisition and is transmitted to
The cloud server 2;The monitoring center 3 obtains the environmental data from the cloud server 2, and to the environment number
According to being analyzed and being handled, judge whether the environmental data in the monitoring region is more than preset air quality indexes, and
It alarms when more than the air quality indexes.
In a kind of feasible embodiment, the monitoring center 3 includes a database, and the database is for storing institute
State air quality indexes.
In a kind of feasible embodiment, the sensor node includes: granule dust sensor, volatile organic matter
One or more of sensor, humidity sensor, PM2.5 sensor, formaldehyde sensor.
In a kind of feasible embodiment, the intelligent environment protection detection system further include: at least one client terminal 4,
The client terminal 4 is communicated to connect with the monitoring center 3, is used for the testing result of monitoring center 3 described in real-time reception, with
Just staff can understand the ambient conditions in monitoring region in real time, and when monitoring center 3 is alarmed, also can be timely
Warning message is received by client terminal 4, is improved in the monitoring region in order to which staff can adopt an effective measure
Environmental index.
In a kind of feasible embodiment, after sensor node to be spread in monitoring region at random, according to actual portion
Administration's situation suitably increases sensor node, specifically:
The density angle value for calculating each sensor node disposed, judges whether its density angle value is lower than dredging for setting
Density threshold, if disposing new sensor node in its communication zone lower than the density threshold value of setting, until the sensing
Density threshold value of the density angle value of device node not less than setting, wherein the density angle value of sensor node can pass through following formula meter
It obtains:
In formula,It is the density angle value of sensor node a, Rmax、RminIt is the maximum perception half of sensor node a respectively
Diameter and minimum the perception radius, v are the sensor node number disposed in the maximum sensing region of sensor node a, and w is to pass
The sensor node number disposed in the minimum sensing region of sensor node a, S1∪S2∪…∪SvIndicate v sensor
The gross area of node perceived area, S1∪S2∪…∪SwIndicate the gross area of w sensor node perceived area;
Until the density angle value of all sensor nodes disposed is not less than the density threshold value of setting, at this point,
Sensor node deployment is completed.
It is set the utility model has the advantages that enabling to the density angle value for the sensor node disposed that can reach in the present embodiment
Fixed density threshold value ensure that the network coverage in monitoring region, and then realize to the environment in monitoring region without dead angle
Monitoring, improves the Monitoring Performance of entire wireless sensor network.
In a kind of feasible embodiment, after the completion of sensor node deployment, according to preset sub-clustering mechanism construction without
Line sensor network.
In a kind of feasible embodiment, the preset sub-clustering mechanism is specifically:
(1) monitoring region is averagely divided into multiple rectangular subregions;
(2) base station equipment sends broadcast singal, all the sensors node operation in starting monitoring region, wherein institute
It states broadcast singal and carries the time tag that the base station equipment sends the broadcast singal;
(3) after each sensor node receives the broadcast singal, the Superiority Value that can respectively become cluster head is calculated, and
The data packet back of each self-information will be carried to the base station equipment, Superiority Value is maximum in the base station equipment selection subregion
Cluster head of the sensor node as respective sub-areas, wherein the Superiority Value that sensor node i becomes cluster head calculates according to the following formula:
In formula, ψ (i) is the Superiority Value that sensor node i becomes cluster head, di,BSIt is set for sensor node i and the base station
Standby space length, di,jFor the space length between sensor node i and sensor node j, wherein sensor node j refers to
Be: with sensor node of the sensor node i in same subregion, J is that the subregion is interior in addition to sensor node i
Remaining sensor node number,It indicates: except sensing in the subregion
The minimum value of the space length between remaining sensor node and the base station equipment other than device node i, E0It (i) is sensor
The primary power value of node i, EresIt (i) is the residual energy magnitude of current sensor node i, α is the energy attenuation factor;t1For institute
State the time point that sensor node i receives the broadcast message, t2The time point of broadcast singal is issued for the base station equipment,
tthFor preset time interval threshold value;
(4) the cluster head information for broadcasting oneself to the whole network as the sensor node of cluster head, with it in same subregion
Sensor node is added in the cluster head, becomes bunch member node.
The utility model has the advantages that when carrying out cluster head election, it is contemplated that transmission environment data are to base when sensor node is as cluster head
The duration of station equipment, so that when sensor node receives the time interval of broadcast singal not less than preset time interval threshold value
When, base station equipment defaults the sensor node and abandons participating in cluster head election contest, guarantees the reality of the radio sensor network monitoring data
Shi Xing.The embodiment not only considers remaining sensor node in each sensor node and base station equipment and its same subregion
The influence of space length, it is also contemplated that the influence of the sensor node self rest energy value also further contemplates the sensor
Device node receives the time interval of broadcast singal, so that the sensor node for being more able to serve as cluster head is elected, improves this
The performance of wireless sensor network ensure that the real-time and stability of data transmission.
In a kind of feasible embodiment, the client terminal includes: mobile phone, plate and desktop computer.
In a feasible embodiment, the bunch member node in each subregion can choose the ring directly by acquisition
Border data are transmitted to the cluster head, and/or, the bunch member node in each subregion also can choose the first environment number by acquisition
Environmental data is transmitted to cluster head according to being transmitted to relay node, then by relay node, wherein bunch member node selection first will acquisition
Environmental data be transmitted to relay node, then be by the condition that environmental data is transmitted to cluster head by relay node:
When the bunch member node in the subregion to the cluster head space length be greater than the subregion in relay node arrive this
When the space length of cluster head, the environmental data of acquisition is forwarded to relay node by bunch member node in the subregion, and via
The relay node sends data to the cluster head of respective sub-areas, wherein the relay node determines that rule is:
The probability value of relay node can be served as by calculating all bunch member nodes in the subregion, and select probability value is maximum
Bunch member node as the relay node in the subregion, wherein bunch member node b can serve as the relaying of subregion Θ
The probability value of node is:
In formula, in subregion Θ, KbThe probability of the relay node of subregion Θ can be served as bunch member node b
Value, r indicate that bunch member node in subregion Θ (does not include bunch member node b), d (b, r) indicates sensor node b and sensing
Space length between device node r, d (b, head) indicate the space length between sensor node b and the cluster head of the subregion,
D (head, r) indicates the space length between sensor node r and the cluster head of the subregion, EbIt is currently remained for sensor node b
Complementary energy magnitude, E1It is sensor node for the energy loss in the unit time of communication, E2It is sensor device node for perceiving
With the energy loss in the unit time of calculating, and E1And E2For the definite value of setting, κ1And κ2For preset weight coefficient.
The utility model has the advantages that in selecting when node carries out data forwarding, it is contemplated that remained in the relay node and its subregion
The space length of remaining sensor node and its influence with the space length of cluster head in the subregion, it is also contemplated that as relaying section
The energy loss and its dump energy value of point, so as to select residual energy magnitude higher, empty with each bunch member node
Between the optimal bunch member node of distance as relay node, avoid because single-hop with cluster head when being communicated, due to transmission distance
From transmission loss caused by too far.
In a feasible embodiment, needs periodically to detect the sensor node as cluster head, sentence
It is disconnected whether to have the ability to continue to serve as cluster head, specifically, when the residual energy magnitude of cluster head is lower than sensor section remaining in the subregion
When the average energy value of point, then sub-clustering is re-started according to preset sub-clustering mechanism, construct new sensor network, to guarantee to be somebody's turn to do
The stability and accuracy of intelligent environment protection detection system.
The invention has the benefit that the environmental data in monitoring region is obtained by data acquisition module, by monitoring
The heart determines whether the air in monitoring region is contaminated according to the environmental data and preset air quality indexes of acquisition, in turn
Staff is notified to take specific aim measure in time to improve the environmental index in monitoring region.By wireless sensor network into
Row environmental data collecting and transmission, without wiring, intelligence is convenient.
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 (8)
1. a kind of intelligent environment protection detection system, characterized in that include: data acquisition module, cloud server and monitoring center;
The data acquisition module, comprising: be spread in the multiple sensor nodes monitored in region at random and be located at monitoring region
The base station equipment of center, the sensor node are used to acquire the environmental data for monitoring region, and by the environment number of acquisition
According to the base station equipment is transmitted to, the base station equipment converges the environmental data of each sensor node acquisition and is transmitted to described
Cloud server;The monitoring center obtains the environmental data from the cloud server, and carries out to the environmental data
Analysis and processing judge whether the environmental data in the monitoring region is more than preset air quality indexes, and are being more than institute
It alarms when stating air quality indexes.
2. intelligent environment protection detection system according to claim 1, characterized in that the monitoring center includes a database,
The database is for storing the air quality indexes.
3. intelligent environment protection detection system according to claim 1, characterized in that the sensor node includes: granular powder
One of dust sensor, volatile organic matter sensor, humidity sensor, PM2.5 sensor, formaldehyde sensor are more
Kind.
4. intelligent environment protection detection system according to claim 1, characterized in that the intelligent environment protection detection system is also wrapped
Include: at least one client terminal, the client terminal and the monitoring center communicate to connect, and are used for monitoring described in real-time reception
The testing result at center.
5. intelligent environment protection detection system according to claim 1, characterized in that sensor node is spread in monitoring at random
Behind region, sensor node is suitably increased according to actual deployment scenario, specifically:
The density angle value for calculating each sensor node disposed, judges whether its density angle value is lower than the density of setting
Threshold value, if disposing new sensor node in its communication zone lower than the density threshold value of setting, until the sensor section
Density threshold value of the density angle value of point not less than setting, wherein the density angle value of sensor node can be calculate by the following formula
It arrives:
In formula,It is the density angle value of sensor node a, Rmax、RminBe respectively sensor node a maximum the perception radius and
Minimum the perception radius, v are the sensor node number disposed in the maximum sensing region of sensor node a, and w is sensor
The sensor node number disposed in the minimum sensing region of node a, S1∪S2∪...∪Sv, indicate v sensor section
The gross area of point perceived area, S1∪S2∪...∪SwIndicate the gross area of w sensor node perceived area;
Until the density angle value of all sensor nodes disposed is not less than the density threshold value of setting, at this point, sensing
Device node deployment is completed.
6. intelligent environment protection detection system according to claim 5, characterized in that after the completion of sensor node deployment, according to
Preset sub-clustering mechanism construction wireless sensor network.
7. intelligent environment protection detection system according to claim 6, characterized in that the preset sub-clustering mechanism is specific
It is:
(1) monitoring region is averagely divided into multiple rectangular subregions;
(2) base station equipment sends broadcast singal, all the sensors node operation in starting monitoring region, wherein described wide
It broadcasts signal and carries the time tag that the base station equipment sends the broadcast singal;
(3) after each sensor node receives the broadcast singal, can respectively the Superiority Value of cluster head be become by calculating, and will be taken
Data packet back with each self-information to the base station equipment, the base station equipment selects the maximum sensing of Superiority Value in subregion
Cluster head of the device node as respective sub-areas, wherein the Superiority Value that sensor node i becomes cluster head calculates according to the following formula:
In formula, ψ (i) is the Superiority Value that sensor node i becomes cluster head, dI, BSFor the sky of sensor node i and the base station equipment
Between distance, dI, jFor the space length between sensor node i and sensor node j, wherein sensor node j is referred to: with
Sensor node of the sensor node i in same subregion, J are surplus in addition to sensor node i in the subregion
The number of remaining sensor node,It indicates: removing sensor section in the subregion
The minimum value of the space length between remaining sensor node and the base station equipment other than point i, E0It (i) is sensor node
The primary power value of i, EresIt (i) is the residual energy magnitude of current sensor node i, α is the energy attenuation factor;t1For the biography
Sensor node i receives the time point of the broadcast message, t2The time point of broadcast singal, t are issued for the base station equipmentthFor
Preset time interval threshold value;
(4) the cluster head information for broadcasting oneself to the whole network as the sensor node of cluster head, with its sensing in same subregion
Device node is added in the cluster head, becomes bunch member node.
8. intelligent environment protection detection system according to claim 4, characterized in that the client terminal includes: mobile phone, puts down
Plate and desktop computer.
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