CN110149610A - A kind of intelligent environment protection detection system - Google Patents

A kind of intelligent environment protection detection system Download PDF

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Publication number
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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sensor node
sensor
node
base station
station equipment
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周明
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30Services specially adapted for particular environments, situations or purposes
    • H04W4/38Services specially adapted for particular environments, situations or purposes for collecting sensor information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W40/00Communication routing or communication path finding
    • H04W40/02Communication route or path selection, e.g. power-based or shortest path routing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W40/00Communication routing or communication path finding
    • H04W40/02Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/04Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources
    • H04W40/10Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources based on available power or energy
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W40/00Communication routing or communication path finding
    • H04W40/02Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/22Communication 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/18Self-organising networks, e.g. ad-hoc networks or sensor networks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring 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

A kind of intelligent environment protection detection system
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.
CN201910418937.3A 2019-05-20 2019-05-20 A kind of intelligent environment protection detection system Pending CN110149610A (en)

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CN110715181A (en) * 2019-10-28 2020-01-21 维吉尔泰光电科技(徐州)有限公司 Dull and stereotyped lamp of luminance adjustable LED
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