CN109788064A - A kind of urban water-body monitoring node internet of things and its self-organizing method - Google Patents
A kind of urban water-body monitoring node internet of things and its self-organizing method Download PDFInfo
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- CN109788064A CN109788064A CN201910087941.6A CN201910087941A CN109788064A CN 109788064 A CN109788064 A CN 109788064A CN 201910087941 A CN201910087941 A CN 201910087941A CN 109788064 A CN109788064 A CN 109788064A
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Abstract
The embodiment of the present application provides a kind of urban water-body monitoring node internet of things, it include: water utilities cloud platform, the multiple Internet of Things base stations communicated to connect with water utilities cloud platform, and, the multiple mobile article networked node equipment being connect based on Internet of Things communication protocol with each Internet of Things base station communication；The mobile article networked node equipment is movably distributed in urban water-body, is integrated with multiple sensors in the mobile article networked node equipment, for acquiring its water body index for being currently located water body in region；The Internet of Things base station is used to receive the water body index that corresponding multiple mobile article networked node equipment upload；The water utilities cloud platform determines the water environment and flood situation of counterpart internet base station region according to the water body index set that the Internet of Things base station uploads.The aquatic monitoring node internet of things of the embodiment of the present application, can reasonable layout mobile article networked node equipment, so that the monitoring position of mobile article networked node equipment is dynamically adjusted.
Description
Technical field
This application involves the internet of things field for being applied to environment monitoring more particularly to a kind of urban water-body monitoring nodes
Internet of things and its self-organizing method.
Background technique
Water quality monitoring is type, the concentration and variation tendency of each pollutant of pollutant in monitoring and measurement water body, comments
The process of valence water quality condition.Monitoring range is very extensive, including is not contaminated and contaminated natural water (river, river, lake, sea
And underground water) and various industrial water drainages etc..Main monitoring project can be divided into two major classes: one kind is reflection water quality condition
Overall target, such as temperature, coloration, turbidity, pH value, conductivity, suspended matter, dissolved oxygen, COD and biochemical oxygen demand (BOD)；
Another kind of is some noxious materials, such as phenol, cyanogen, arsenic, lead, chromium, cadmium, mercury and organic agricultural chemicals.For objective appraisal rivers and sea
The situation of foreign-water matter needs the measurement for carrying out flow velocity and flow in addition to above-mentioned monitoring project sometimes.
Traditional water quality monitoring is that good a certain number of monitoring points are manually set in advance in monitoring water area, then
Node device is deployed in each monitoring point.But the position of these monitoring points not necessarily achieves optimization, than occurring if possible
There are two the monitoring data of monitoring point to reach unanimity, that illustrates that the setting of the two monitoring points is duplicated, and there are redundancies；Monitoring
Point irrational distribution is also easy to that monitoring blind area occurs；In addition, being distributed in water body such as pollutant and at any time dynamic change,
May in current time the setting of aquatic monitoring point be it is optimal, crossed a period of time with water quality distribution variation just
Cannot being optimal, occur the redundancy of monitoring point and the blind area of monitoring again.Therefore, water quality in the prior art
Monitoring, monitoring point cannot be carried out according to the DYNAMIC DISTRIBUTION in water body such as pollutant from main regulation.
Summary of the invention
In view of this, the purpose of the application is to propose a kind of urban water-body monitoring node internet of things and its self-organizing side
Method is not easy to optimize to solve the distribution of monitoring point of water quality monitoring in the prior art, be easy there are monitoring point redundancy or
Person's monitoring blind area, while the distribution of monitoring point independently cannot dynamically be adjusted according to the distribution in water body such as pollutant, so that
Collected water monitoring data inaccuracy can not reflect the technical issues of water quality situation comprehensively and in real time.
A kind of urban water-body monitoring node internet of things is proposed in the first aspect of the application based on above-mentioned purpose,
It include: water utilities cloud platform, multiple Internet of Things base stations with water utilities cloud platform communication connection, and, it is based on Internet of Things Network Communication
Multiple mobile article networked node equipment that agreement is connect with each Internet of Things base station communication；
The mobile article networked node equipment is movably distributed in urban water-body, the mobile article networked node
It is integrated with multiple sensors in equipment, for acquiring its water body index for being currently located water body in region, and the water body is referred to
It puts on and reaches corresponding Internet of Things base station；
The Internet of Things base station is used to receive the water that corresponding multiple mobile article networked node equipment upload
Body index generates water body index set, and the water body index set is uploaded to the water utilities cloud platform；
The water utilities cloud platform determines counterpart internet base station institute according to the water body index set that the Internet of Things base station uploads
Water environment and flood situation in region；And for by analyzing the water body index set to the mobile article networked node equipment
Assign mobile instruction.
In some embodiments, the mobile article networked node equipment, is also used to:
Carry out data transmission with other mobile article networked node equipment, itself collected water body index is sent to institute
State other mobile article networked node equipment.
In some embodiments, the mobile article networked node equipment, comprising:
Aquatic monitoring unit, Internet of Things communication unit and motion control unit；
Multiple sensors are integrated on the aquatic monitoring unit, for acquiring different types of water body index；
The Internet of Things communication unit is used to upload water body index to corresponding Internet of Things base station, or removable to other
Internet of things node equipment sends water body index；
The motion control unit moves in water body for controlling the mobile article networked node equipment.
In some embodiments, in the mobile article networked node equipment integrate sensor include water quality sensor,
Temperature sensor and flow sensor；
The water quality sensor is for the water quality in the water area where acquiring the mobile article networked node equipment
Data, the temperature sensor is for the water temperature number in the water area where acquiring the mobile article networked node equipment
According to the flow sensor is for the water velocity in the water area where acquiring the mobile article networked node equipment.
In some embodiments, the motion control unit, comprising:
Controller, and the power spin paddle and direction adjustment organization that are connect with the controller.
In some embodiments, the controller is used for:
In water area where the collected mobile article networked node equipment of the flow sensor
Water velocity controls the power spin paddle and direction adjustment organization, makes the mobile article networked node equipment in water area
Interior movement.
In some embodiments, the mobile article networked node equipment, further includes:
GPS positioning unit is positioned for the current location to the mobile article networked node equipment.
In some embodiments, the mobile article networked node equipment, further includes:
Buoyancy plate, for connecting and fixing the aquatic monitoring unit, the Internet of Things communication unit, the motion control
Unit and the GPS positioning unit.
Based on above-mentioned purpose, in the second aspect of the application, it is also proposed that a kind of urban water-body monitoring node from group
Organization method, comprising:
In the first preset time period, the intracorporal each mobile article networked node of water is distributed according to predeterminated frequency acquisition and is set
Standby collected water body index；
For each of multiple mobile article networked node equipment, calculate the mobile article networked node equipment with away from
Homogeney between its mobile article networked node equipment apart from nearest default value, determines homogeney index；
Determine that each mobile article networked node equipment is networked with away from its mobile article apart from nearest default value
The mean value of homogeney index between node device；And then it calculates whole mobile article networked node equipment homogeneys in water body and refers to
Target overall average；
The overall average of homogeney index is greater than preset threshold if it exists, then from multiple mobile article networked node equipment sections
The mobile article networked node device node pair as controlled plant is chosen in point centering according to preset condition, chooses as adjusting pair
One mobile article networked node equipment of the mobile article networked node device node centering of elephant, according to random direction or in advance
Determine the mobile pre-determined distance in direction；
It repeats the above process, until the overall average of homogeney index is not more than preset threshold.
In some embodiments, described for each of multiple mobile article networked node equipment, it is removable to calculate this
Animal networked node equipment and homogeney away from it between the mobile article networked node equipment of nearest default value,
Determine homogeney index, comprising:
For each of multiple mobile article networked node equipment calculate the mobile article networked node equipment with away from
Its collected water quality data of mobile article networked node equipment, water temperature data or water flow velocity apart from nearest default value
The mean square deviation of degree evidence, and determined according to the mean square deviation being calculated and referred to the homogeney of the mean square deviation inversely
Mark.
The embodiment of the present application provides a kind of urban water-body monitoring node internet of things and its self-organizing method, wherein Internet of Things
Network includes: water utilities cloud platform, multiple Internet of Things base stations with water utilities cloud platform communication connection, and, it is based on Internet of Things Netcom
Multiple mobile article networked node equipment that letter agreement is connect with each Internet of Things base station communication；The removable Internet of Things
Net node device is movably distributed in urban water-body, and integrated in the mobile article networked node equipment there are many sensings
Device is uploaded to corresponding Internet of Things for acquiring its water body index for being currently located water body in region, and by the water body index
Base station；The Internet of Things base station is used to receive the water body that corresponding multiple mobile article networked node equipment upload and refers to
Mark generates water body index set, and the water body index set is uploaded to the water utilities cloud platform；The water utilities cloud platform is according to institute
The water body index set for stating the upload of Internet of Things base station determines the water environment and flood situation of counterpart internet base station region；And it is used for
Mobile instruction is assigned to the mobile article networked node equipment by analyzing the water body index set.The city of the embodiment of the present application
City's aquatic monitoring node internet of things and its self-organizing method, can reasonable layout mobile article networked node equipment, while energy
Enough variations according to water body index carry out dynamically from main modulation, so that adopting the monitoring position of mobile article networked node equipment
The water monitoring data collected is more comprehensive and accurate, avoids monitoring position redundancy or blind area occurs.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram of the urban water-body monitoring node internet of things of the embodiment of the present application one；
Fig. 2 is the mobile article networked node equipment of the urban water-body monitoring node internet of things of the embodiment of the present application one
Illustrative view of functional configuration；
Fig. 3 is the mobile article networked node equipment of the urban water-body monitoring node internet of things of the embodiment of the present application one
Composed structure schematic diagram；
Fig. 4 is the flow chart of the self-organizing method of the urban water-body monitoring node of the embodiment of the present application two.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to related invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Specifically, as shown in Figure 1, being the structural representation of the urban water-body monitoring node internet of things of the embodiment of the present application one
Figure.The urban water-body monitoring node internet of things of the present embodiment may include:
Water utilities cloud platform 101, the multiple Internet of Things being connect with the water utilities cloud platform based on Internet of Things communication protocol communication
Base station 102 (Internet of Things base station 1, Internet of Things base station 2 ... Internet of Things base station n etc. as illustrated in the drawing), and, it is based on Internet of Things
Multiple mobile article networked node equipment 103 that communication protocol and each Internet of Things base station 102 communicate to connect are (in such as figure
Shown in mobile article networked node equipment 11, mobile article networked node equipment 12 ... mobile article networked node equipment 1n
Deng).Wherein, volume of the mobile article networked node equipment in entire urban water-body monitoring node internet of things is indicated with symbol nn
Number, wherein first n indicates the number of its corresponding Internet of Things base station, second n is indicated and the same Internet of Things base station communication
The number of the mobile article networked node equipment of connection.Such as mobile article networked node equipment 31, then corresponding to number is 3
Internet of Things base station, and the number in the mobile article networked node equipment communicated to connect with the Internet of Things base station 102 is 1.This
Number in embodiment is understood not to pair only to facilitate distinguish to mobile article networked node equipment 103
The restriction of mobile article networked node equipment 103.In actual application, the quantity of Internet of Things base station 102 can be according to reality
Border it needs to be determined that.
In the present embodiment, the mobile article networked node equipment 103 is movably distributed in urban water-body, such as
It is distributed in river, in lake, also can according to need and be distributed in bank.It is integrated in the mobile article networked node equipment 103
There are many sensor, it is uploaded to pair for acquiring its water body index for being currently located water body in region, and by the water body index
The Internet of Things base station 102 answered.The mobile article networked node equipment 103 has the moving parts independently driven, is removable
Dynamic, so as to dynamically independently be adjusted to different positions at any time；When the mobile article networked node equipment 103 is located at
When different location, its water body index for being currently located water body in region can be acquired, the water body index for example can be water quality,
Water temperature and water velocity etc..Specifically, sensor there are many can integrate in the mobile article networked node equipment 103, no
The sensor of same type for example may include water quality sensing for acquiring different types of water body index, above-mentioned multiple sensors
Device, temperature sensor and flow sensor, the water quality sensor is for acquiring the mobile article networked node equipment place
Water area in water quality data, the temperature sensor is used to acquire water where the mobile article networked node equipment
Water temperature data in body region, the flow sensor are used to acquire the water where the mobile article networked node equipment 103
Water velocity in body region.Water body in region is currently located when the mobile article networked node equipment 103 collects it
After when water body index, collected water body index is uploaded to its corresponding Internet of Things base station 102.
The Internet of Things base station 102 is for receiving corresponding multiple mobile article networked node equipment 103
The water body index of biography generates water body index set, and the water body index set is uploaded to the water utilities cloud platform.
In the present embodiment, the Internet of Things base station 102 can be the signal coverage areas allowed according to Internet of Things base station
It is arranged, i.e., there is certain overlay area in each Internet of Things base station 102, and multiple Internet of Things base stations 102 collectively cover
The water area of current city.Mobile article networked node equipment 103 corresponding with the Internet of Things base station 102 is distributed in Internet of Things
In the signal cover for netting base station 102.When mobile article networked node equipment 103 is from the covering of an Internet of Things base station 102
Range is moved to the coverage area of another Internet of Things base station 102, then needs to carry out to switch between base station, i.e. mobile article networking section
The search of point device 103 obtains new Internet of Things base station, is associated with the Internet of Things base station 102 of new coverage area, becomes new object
The corresponding node device of internet base station 102, and with 102 disassociation of original internet base station.The Internet of Things base station 102 is used for
Receive the water body index that corresponding multiple mobile article networked node equipment 103 upload, and to corresponding more
The water body index that a mobile article networked node equipment 103 uploads is summarized and is counted, and generates water body index set, and will be described
Water body index set is uploaded to the water utilities cloud platform 101.
The water utilities cloud platform 101 determines corresponding Internet of Things according to the water body index set that the Internet of Things base station 102 uploads
The water environment and flood situation of 102 region of base station.What the i.e. described water utilities cloud platform 101 was uploaded according to the Internet of Things base station 102
Water body index set determines the water environment and flood situation in the signal coverage areas of each Internet of Things base station 102, and then can pass through conjunction
And all Internet of Things base stations 102 upload water body index set and obtain entire water area water environment and flood situation distribution.Such as
Water environment can be determined according to water quality and water temperature, flood situation is determined according to water velocity.Water utilities cloud platform 101 has can be by water body
Water environment and the flood situation distribution in region are visualized in a manner of table or geographic information map, and are sent to aquatic monitoring department
The computer or mobile terminal of staff is shown；And the index in water body index set is beyond normal range (NR)
In the case of to the computer or mobile terminal of aquatic monitoring department personnel send warning message, carry out automatic alarm.
The urban water-body monitoring node internet of things of the embodiment of the present application can reasonable layout mobile article networked node set
It is standby, while the monitoring position of mobile article networked node equipment can be carried out dynamically from homophony according to the variation of water body index
It is whole, so that collected water monitoring data is more accurate.
In addition, an alternative embodiment as the application, the mobile article networked node equipment 103, are also used to: with
Other mobile article networked node equipment 103 carry out data transmission, by itself collected water body index be sent to it is described other
Mobile article networked node equipment.Since under normal conditions, the signal of Internet of Things base station 102 can collectively cover current city
Water body, but there is also some special circumstances, such as when the water body in city is lake, since area of lake is larger, lake center is again
It is not easy to arranging thing internet base station 102, the signal of other Internet of Things base stations 102 may not cover lake center part area,
It cannot then be communicated with Internet of Things base station 102 positioned at the mobile article networked node equipment 103 of lake center position, and then not
Itself can be collected to water body index and be uploaded to Internet of Things base station 102.At this point, the mobile article for being located at lake center position is networked
Its collected water body index can be sent to other adjacent mobile article networked node equipment by node device 103
103, and by other adjacent mobile article networked node equipment 103, its collected water body index is uploaded to Internet of Things
Base station 102 is netted, so that collected water body index is more comprehensive.Specifically, when any one mobile article networked node
Equipment 103 communicates either during autonomous with the disconnection of original internet base station 102 during aquatic monitoring, at the same also without
In the case that method searches other Internet of Things base stations that can establish communication connection, then the mobile article networked node equipment 103
Then the other mobile article networked node equipment 103 of search；When searching one or more other mobile article networked node
Equipment 103, then the mobile article networked node equipment 103 that should be disconnected with base station and the mobile article networked node searched
One (usually optimal one of signal strength) in equipment 103 establishes point-to-point communication connection, and then should be disconnected with base station
The water body index of itself is uploaded to by the mobile article networked node equipment 103 for opening connection establishes the removable of point-to-point communication connection
Animal networked node equipment 103, by being wherein given to corresponding Internet of Things base station 102.
As shown in Fig. 2, being the mobile article networking section of the urban water-body monitoring node internet of things of the embodiment of the present application one
The illustrative view of functional configuration of point device.Fig. 3 is the removable of the urban water-body monitoring node internet of things of the embodiment of the present application one
The composed structure schematic diagram of Internet of things node equipment.In the present embodiment, the mobile article networked node equipment 103, comprising:
Aquatic monitoring unit 1031, Internet of Things communication unit 1032, motion control unit 1033 and GPS positioning unit
1034。
Wherein, multiple sensors are integrated on the aquatic monitoring unit 1031, referred to for acquiring different types of water body
Mark.Specifically, the sensor integrated in the mobile article networked node equipment 103 includes water quality sensor 10311, temperature biography
Sensor 10312 and flow sensor 10313；The water quality sensor 10311 is set for acquiring the mobile article networked node
Water quality data in the water area at standby place, the temperature sensor 10312 is for acquiring the mobile article networked node
The water temperature data in water area where equipment, the flow sensor 10313 is for acquiring the mobile article networking section
The water velocity in water area where point device.
The Internet of Things communication unit 1032 be used for corresponding Internet of Things base station 102 upload water body index, or to its
He sends water body index at mobile article networked node equipment.In the present embodiment, the Internet of Things communication unit 1032 includes logical
Believe antenna 10321, the communication antenna 10321 is for receiving Internet of Things signal.
The motion control unit 1033 moves in water body for controlling the mobile article networked node equipment.Specifically
Ground, the motion control unit 1033, including controller 10332, and the power spin paddle being connect with the controller 10332
10331 and direction adjustment organization 10333.The power spin paddle 10331 is used to be the mobile article networked node equipment 103
Mobile offer power in water body, the direction adjustment organization 10333 is for controlling the mobile article networked node equipment
103 moving direction in water body, the controller 10332 are used to adjust the power spin paddle 10331 and the direction
Mechanism 10333 is controlled.More specifically, the controller 10332 is for collected according to the flow sensor 10313
The water velocity in water area where the mobile article networked node equipment 103 controls the power spin paddle 10331
With the direction adjustment organization 10333, move the mobile article networked node equipment 103 in water area.Also, institute
It states controller 10332 and move is assigned by the reception of Internet of Things communication unit 1032 water utilities cloud platform 101, according to move
The direction of instruction and distance are moved.
The GPS positioning unit 1034 is positioned for the current location to the mobile article networked node equipment.
Behind the current location that the mobile article networked node equipment has been determined, the mobile article networked node equipment can be adopted
Rise corresponding with its position of the water body index collected is opened, and then determines the region in the corresponding water body of water body index.The present bit
The coordinate set can be bound with the water body index and upload jointly.
In addition, in the present embodiment, the mobile article networked node equipment 130 can also include: buoyancy plate, for connecting
Meet and fix the aquatic monitoring unit 1031, the Internet of Things communication unit 1032, the motion control unit 1033 and institute
State GPS positioning unit 1034.The buoyancy plate can be set to ship shape, be conducive to the autonomous of mobile article networked node equipment 130
It is mobile.
The urban water-body monitoring node internet of things of the embodiment of the present application can reasonable layout mobile article networked node set
It is standby, while the monitoring position of mobile article networked node equipment can be carried out dynamically from homophony according to the variation of water body index
It is whole, so that collected water monitoring data is more accurate.
As shown in figure 4, being the flow chart of the self-organizing method of the urban water-body monitoring node of the embodiment of the present application two.This reality
The self-organizing method for applying the urban water-body monitoring node of example, may comprise steps of:
S401: in the first preset time period, the intracorporal each mobile article of water is distributed according to predeterminated frequency acquisition and is networked
The collected water body index of node device.
For example, being distributed in the intracorporal each mobile article networking section of water according to frequency acquisition once every minute in 10 minutes
The collected water body index of point device, then available 10 all mobile article networked node equipment collect altogether in 10 minutes
Water body index, the collected water body index of mobile article networked node equipment can be directly be uploaded to it is corresponding
Internet of Things base station is also possible to be uploaded to corresponding Internet of Things base station by other mobile article networked node equipment, then
Water utilities cloud platform is uploaded to by each Internet of Things base station.
S402: it for each of multiple mobile article networked node equipment, calculates the mobile article networked node and sets
The standby homogeney between the water body index away from its mobile article networked node equipment apart from nearest default value, determines
Homogeney index.
In the present embodiment, for each mobile article networked node equipment, the mobile article networked node equipment is calculated
Collected water body index with each of work as away from its mobile article networked node equipment apart from nearest default value
Homogeney index between collected water body index, so that it is determined that the homogeney of node between any two.Specifically, for appointing
One mobile article networked node equipment calculates the mobile article networked node equipment and away from it apart from nearest default value
Mobile article networked node equipment each of work as the two collected water quality data, water temperature data or water velocity every time
The mean square deviation of data, and determined according to the mean square deviation being calculated and referred to the homogeney of the mean square deviation inversely
Mark.
For example, it is assumed that determining can away from nearest M for i-th of mobile article networked node equipment in water body
Mobile Internet of things node equipment, then i-th of the mobile article networked node equipment in M mobile article networked node equipment
The homogeney index Q (i, j) of the water body index of j-th of mobile article networked node equipment (value of j is 1 to M) are as follows:
Wherein lt(i) and lt(j) the water body index that the t times sampling of the first preset time period obtains, l are illustrated respectively int
(i) and lt(j) type is any one in water quality data, water temperature data and water velocity data；T indicates that this is first default
Whole sampling number in period, for still by the first preset time period 10 minutes, sampling was primary per minute, then T=10；αt
It is regulation coefficient corresponding with the t times sampling, αtValue range can be 0.8-1.2, it is clear that can be reduced when value is less than 1
Influence of the t sampling in the calculating of homogeney index, will increase the influence of the t times sampling when greater than 1；Wherein, whenever removable
Animal networked node equipment carried out self-organizing position adjustment after, restart in the first preset time period sampling when, then with
The increase of t, αtValue also incrementally increase therewith from 0.8 to 1.2；Because the position of mobile article networked node equipment adjusts
It inevitably causes its surrounding body to fluctuate, causes index measurement bigger error, so adjustment factor is reduced in preceding sampling several times
αtValue；Then tend to increase α after surrounding body is stablizedtValue, value of the specific regulation coefficient in each sampling can
By empirically determined.
S403: each mobile article networked node equipment and the mobile article away from it apart from nearest default value are determined
The mean value of homogeney index between networked node equipment；And then calculate whole mobile article networked node equipment homogeneities in water body
The overall average of property index.
Removable Internet of Things the mobile article networked node equipment has been determined and away from it apart from nearest default value
After homogeney index between net node device, can calculate each mobile article networked node equipment with it is nearest away from its distance
The mean value of homogeney index between the mobile article networked node equipment of default value.As described above, removable to i-th
For animal networked node equipment, the node i is away from its homogeneity apart from nearest mobile article networked node equipment between any two
Property index share M, then the mean value of the homogeney index of the node i indicates are as follows:
Further, it is assumed that the intracorporal node of water is N number of altogether, then whole mobile article networked node equipment homogeneys refer in the water body
Target overall average:
S404: if the overall average of whole mobile article networked node equipment homogeney indexs is greater than default threshold in water body
Value then chooses the mobile article as controlled plant from multiple mobile article networked node device node centerings according to preset condition
Networked node device node pair, one for choosing the mobile article networked node device node centering as controlled plant are removable
Internet of things node equipment, according to random direction or the mobile pre-determined distance of predetermined direction.Specifically, all removable in water body
The overall average of animal networked node equipment homogeney indexIn the case where greater than one preset threshold, illustrate as a whole
The distribution of whole node devices not up to optimizes in water body, and monitoring data homogeney is higher.Then for the N number of section of whole in water body
Point calculates (its in the case where wherein each node i and its homogeney index Q (i, j) between M nearest node
Middle j=1 to M) then shares N*M homogeney index Q (i, j), therefrom chooses the maximum J homogeney index Q of Q (i, j) numerical value
(i, j) determines the corresponding J node device pair of this J index, by this J node device to as controlled plant, from conduct
Each node device of controlled plant (can work as one node device of selection in the middle from two nodes of each node device pair
In an optional node device, wherein Q can also be chosen according to respective Q (i) value of two nodes of each node device pair
(i) biggish node device).For the node device for being selected out, pre-determined distance can be moved along random direction, such as
It is 10 meters mobile；It can also be moved along preset direction, such as the direction of another node away from the centering of this node device
Mobile pre-determined distance.
Then S401-S404 is repeated the above process, calculates whole mobile article networked node equipment homogeneities in water body again
The overall average of property indexIfPreset threshold is still greater than and then continues iteration above step, until all moving Internet of Things
The overall average of net node device homogeney indexNo larger than preset threshold, then no longer adjustment mobile article networked node is set
Standby position.As it can be seen that the present invention refers in each first preset time period (such as every 10 minutes) according to the monitoring in the period
Mark calculates the overall average of whole mobile article networked node equipment homogeney indexs in a water bodyWhenGreater than default threshold
Value then keeps adjusting the position of a portion node, until shouldValue reaches preset threshold hereinafter, to drop on the whole
The low homogeney of whole mobile article networked node equipment monitoring data, the water body index of each monitoring position difference on the whole
It maximizes, to rationalize the distribution of monitoring position.
Wherein, above-mentioned steps S401-S404 can be executed by the water utilities cloud platform 101, and according to execution as a result,
Water utilities cloud platform 101 assigns the move to the mobile article networked node equipment 103 for needing to adjust position every time, with control
The mobile article networked node equipment 103 is made according to the direction of instruction and apart from progress position adjusting.
For example, it is assumed that sharing 100 mobile article networked node equipment in water body, network for one of mobile article
Node device (hereinafter referred to as node device) A, determines and it is apart from M nearest node device, and the value of M can be manually set,
Such as 3 node devices B, C, D that selected distance A is nearest.Then basis each identical sampling instant in 10 minutes is acquired
Data, calculate separately the homogeney index between AB, AC, AD, both illustrate homogeney more if homogeney index is bigger
Not only mutual distance is closer for height, i.e. the two, but also collected water quality data, water temperature data or water velocity data also compare
Close, such Data duplication degree is high, and reflection node setting position is unfavorable for the understanding to water quality and flood situation there are redundancy.This
Sample traverses 100 all node devices, determines 3 homogeneities of each node device and its 3 node devices of distance recently
Property index, the average value of 3 homogeney indexs of each node is then calculated, as the flat of the relevant homogeney index of the node
Mean value；The mean value of all homogeney indexs of 100 node devices is counted again.If whole node device average homogeneity index values
Greater than threshold value, then illustrating that the distribution of present node equipment is unreasonable on the whole, monitoring result is convergent, if this occurs,
It so chooses the maximum J of homogeney index value and 4 nodes is adjusted every time to node device, such as setting, then utilize the meter of front
It calculates as a result, choosing 4 pairs of maximum nodes of homogeney index value, such as AC, ED, FG, H I.Then each pair of node device is driven to work as
In node device-such as C, D, G, an I-along random direction or preset direction move preset distance；Later next
The homogeney index of all node devices and its 3 node devices of distance recently is recalculated in a preset time period, until
Calculate the average value of all node homogeney indexs.If threshold value is still greater than in all node average homogeneity index values, then
Maximum J is to node device for secondary selection homogeney index, drive in each pair of node device again a node device along with
Machine direction or the mobile preset distance of predetermined direction, and each node device and its distance after this calculate node equipment is mobile
Then the homogeney index of 3 nearest node devices calculates average value ... the iteration repeatedly of homogeney index, until
The average value of homogeney index is lower than predetermined threshold, at this point, the distribution of node device is relatively reasonable, monitoring result is had differences most
Bigization.
The self-organizing method of the urban water-body monitoring node of the embodiment of the present application, being capable of reasonable layout mobile article networking section
Point device, while the monitoring position of mobile article networked node equipment can be carried out dynamically certainly according to the variation of water body index
Main modulation, so that collected water monitoring data is more accurate.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from foregoing invention design, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (10)
1. a kind of urban water-body monitoring node internet of things characterized by comprising
Water utilities cloud platform, multiple Internet of Things base stations with water utilities cloud platform communication connection, and, it is based on Internet of Things communication protocols
Discuss the multiple mobile article networked node equipment connecting with each Internet of Things base station communication；
The mobile article networked node equipment is movably distributed in urban water-body, the mobile article networked node equipment
On be integrated with multiple sensors, for acquiring its water body index for being currently located water body in region, and will be in the water body index
Reach corresponding Internet of Things base station；
The Internet of Things base station is used to receive the water body that corresponding multiple mobile article networked node equipment upload and refers to
Mark generates water body index set, and the water body index set is uploaded to the water utilities cloud platform；
The water utilities cloud platform determines counterpart internet base station location according to the water body index set that the Internet of Things base station uploads
The water environment and flood situation in domain；And for being assigned by analyzing the water body index set to the mobile article networked node equipment
Mobile instruction.
2. internet of things according to claim 1, which is characterized in that the mobile article networked node equipment is also used to:
Carry out data transmission with other mobile article networked node equipment, by itself collected water body index be sent to it is described its
His mobile article networked node equipment.
3. internet of things according to claim 2, which is characterized in that the mobile article networked node equipment, comprising:
Aquatic monitoring unit, Internet of Things communication unit and motion control unit；
Multiple sensors are integrated on the aquatic monitoring unit, for acquiring different types of water body index；
The Internet of Things communication unit is used to upload water body index to corresponding Internet of Things base station, or moves Internet of Things to other
Net node device sends water body index；
The motion control unit moves in water body for controlling the mobile article networked node equipment.
4. internet of things according to claim 3, which is characterized in that integrated in the mobile article networked node equipment
Sensor includes water quality sensor, temperature sensor and flow sensor；
The water quality sensor is used to acquire the water quality data in the water area where the mobile article networked node equipment,
The temperature sensor is described for the water temperature data in the water area where acquiring the mobile article networked node equipment
Flow sensor is for the water velocity in the water area where acquiring the mobile article networked node equipment.
5. internet of things according to claim 4, which is characterized in that the motion control unit, comprising:
Controller, and the power spin paddle and direction adjustment organization that are connect with the controller.
6. internet of things according to claim 5, which is characterized in that the controller is used for:
The water flow in water area where the collected mobile article networked node equipment of the flow sensor
Power spin paddle and direction adjustment organization described in speed control move the mobile article networked node equipment in water area
It is dynamic.
7. internet of things according to claim 3, which is characterized in that the mobile article networked node equipment, further includes:
GPS positioning unit is positioned for the current location to the mobile article networked node equipment.
8. internet of things according to claim 7, which is characterized in that the mobile article networked node equipment, further includes:
Buoyancy plate, for connecting and fixing the aquatic monitoring unit, the Internet of Things communication unit, the motion control unit
With the GPS positioning unit.
9. a kind of self-organizing method of urban water-body monitoring node characterized by comprising
In the first preset time period, the intracorporal each mobile article networked node equipment of water is distributed according to predeterminated frequency acquisition and is adopted
The water body index collected；
For each of multiple mobile article networked node equipment, calculate the mobile article networked node equipment with away from its away from
The homogeney between mobile article networked node equipment from nearest default value, determines homogeney index；
Determine each mobile article networked node equipment and the mobile article networked node away from it apart from nearest default value
The mean value of homogeney index between equipment；And then calculate whole mobile article networked node equipment homogeney indexs in water body
Overall average；
The overall average of homogeney index is greater than preset threshold if it exists, then from multiple mobile article networked node device nodes pair
According to preset condition choose mobile article networked node device node pair as controlled plant, selection is as controlled plant
One mobile article networked node equipment of mobile article networked node device node centering, according to random direction or predetermined party
To mobile pre-determined distance；
It repeats the above process, until the overall average of homogeney index is not more than preset threshold.
10. according to the method described in claim 9, it is characterized in that, described in multiple mobile article networked node equipment
Each, calculate the mobile article networked node equipment and saved with away from its mobile article networking apart from nearest default value
Homogeney between point device determines homogeney index, comprising:
For each of multiple mobile article networked node equipment calculate the mobile article networked node equipment with away from its away from
The collected water quality data of mobile article networked node equipment, water temperature data or water flow velocity degree from nearest default value
According to mean square deviation, and it is determining with the homogeney index of the mean square deviation inversely according to the mean square deviation that is calculated.
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