CN109151754A - Farm environment high precision wireless monitors system - Google Patents
Farm environment high precision wireless monitors system Download PDFInfo
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- CN109151754A CN109151754A CN201811022471.7A CN201811022471A CN109151754A CN 109151754 A CN109151754 A CN 109151754A CN 201811022471 A CN201811022471 A CN 201811022471A CN 109151754 A CN109151754 A CN 109151754A
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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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- 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
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B31/00—Predictive alarm systems characterised by extrapolation or other computation using updated historic data
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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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Computing Systems (AREA)
- Emergency Management (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The present invention provides farm environment high precision wireless to monitor system, including environment real time monitoring module and remote monitoring terminal, the environment real time monitoring module is used to be acquired the parameter index of reaction farm environment situation, and the achievement data collected is sent to remote monitoring terminal by wireless sensor network；The remote monitoring terminal includes storage unit, alarm unit and interface display unit, the storage unit is for storing the achievement data received, the alarm unit is used to alarm when the achievement data for reacting farm environment is lower than secure threshold, and the interface display unit is for showing achievement data.
Description
Technical field
The present invention relates to farmland monitoring technical fields, and in particular to farm environment high precision wireless monitors system.
Background technique
In the prior art, informationization technology is increasingly taken seriously in the development for pushing agricultural.Wireless sensor network
It is the important means for realizing IT application to agriculture, it is wireless sensor network technology collection sensor technology, micro electro mechanical system (MEMS) technology, wireless
The communication technology, embedding assembly technology and distributed information processing can pass through all kinds of microsensor nodes in one
Between cooperation, real-time perception and acquire monitored target information, compared with traditional data collection system, wireless sensor network
Network big, accurate advantage of achievement data with monitoring range.
Summary of the invention
In view of the above-mentioned problems, the present invention, which provides farm environment high precision wireless, monitors system.
The purpose of the present invention is realized using following technical scheme:
Farm environment high precision wireless monitoring system, including environment real time monitoring module and remote monitoring terminal are provided,
The environment real time monitoring module is used to be acquired the parameter index of reaction farm environment situation, and passes through wireless sensor
The achievement data collected is sent to remote monitoring terminal by network；The remote monitoring terminal includes storage unit, alarm
Unit and interface display unit, the storage unit for storing to the achievement data received, use by the alarm unit
It alarms in when the achievement data for reacting farm environment is lower than secure threshold, the interface display unit is for showing index
Data.
Preferably, the environment real time monitoring module includes the sensor section of aggregation node and multiple acquisition index data
Point, aggregation node are communicated with remote monitoring terminal, and multiple sensor nodes are divided into multiple clusters, and a cluster head is arranged in each cluster,
The achievement data of sensor node acquisition in cluster is ultimately transmitted corresponding cluster head, and aggregation node summarizes the finger that each cluster head is collected
Mark Data Concurrent is sent to remote monitoring terminal.
Preferably, the remote monitoring terminal further includes dealing of abnormal data unit, and dealing of abnormal data unit is configured
To carry out abnormality detection to received achievement data, and the abnormal data that will test out is modified processing, will treated refers to
Mark data are sent to storage unit.
Preferably, the sensor node includes heavy metal-polluted soil sensor, soil moisture sensor, soil moisture sensing
Device, soil acidity or alkalinity sensor, soil salinity sensor, underground water heavy metal sensor, one in underground water temperature sensor
Kind or multiple sensors.
The invention has the benefit that the parameter index of reaction farm environment situation is acquired by wireless sensor network,
Can the case where soil, be recorded and be analyzed in real time, react farm environment situation parameter index be unsatisfactory for condition when and
When early warning, realize the monitoring of high-precision farm environment.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings, but the embodiment in attached drawing is not constituted to any limit of the invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
Fig. 1 is the structural representation frame of the farm environment high precision wireless monitoring system of an illustrative embodiment of the invention
Figure；
Fig. 2 is the structural schematic block diagram of the remote monitoring terminal of an illustrative embodiment of the invention.
Appended drawing reference:
Environment real time monitoring module 1, remote monitoring terminal 2, storage unit 10, alarm unit 20, interface display unit 30,
Dealing of abnormal data unit 40.
Specific embodiment
The invention will be further described with the following Examples.
Referring to Fig. 1, Fig. 2, the embodiment of the invention provides farm environment high precision wireless monitoring system, including environment are real-time
Monitoring modular and remote monitoring terminal 2, the environment real time monitoring module are used for the parameter index to reaction farm environment situation
It is acquired, and the achievement data collected is sent to by remote monitoring terminal 2 by wireless sensor network；It is described long-range
Monitoring terminal 2 includes storage unit 10, alarm unit 20 and interface display unit 30, and the storage unit 10 is used for receiving
Achievement data stored, the alarm unit 20 be used for when react farm environment achievement data be lower than secure threshold when into
Row alarm, the interface display unit 30 is for showing achievement data.
Wherein, the remote monitoring terminal 2 further includes dealing of abnormal data unit 40, and dealing of abnormal data unit 40 is matched
The abnormal data for being set to and carrying out abnormality detection to received achievement data, and will test out is modified processing, by treated
Achievement data is sent to storage unit 10.
In a kind of mode that can be realized, the environment real time monitoring module includes aggregation node and multiple acquisition indexes
The sensor node of data, aggregation node are communicated with remote monitoring terminal 2, and multiple sensor nodes are divided into multiple clusters, each
A cluster head is arranged in cluster, and the achievement data of the sensor node acquisition in cluster is ultimately transmitted corresponding cluster head, and aggregation node converges
The achievement data of total each cluster head collection is simultaneously sent to remote monitoring terminal 2.
In a kind of mode that can be realized, the sensor node includes heavy metal-polluted soil sensor, soil moisture biography
Sensor, soil temperature sensor, soil acidity or alkalinity sensor, soil salinity sensor, underground water heavy metal sensor, underground water
One of temperature sensor or multiple sensors.
The above embodiment of the present invention acquires the parameter index of reaction farm environment situation by wireless sensor network, can
The case where soil, is recorded and analyzed in real time, it is pre- in time when the parameter index for reacting farm environment situation is unsatisfactory for condition
It is alert, realize the degree of automation and accuracy of data acquisition for improving farmland monitoring.
In one embodiment, it is S that sensor node, which can be transferred to maximum the perception radius,max, when initial, respectively passed in network
The perception radius of itself is adjusted to S by sensor nodemax；After sub-clustering, sensor node of the cluster head in its cluster selects a sensing
For device node as transfer tiny node, it is always S that cluster head and the transfer tiny node, which keep itself the perception radius,max；It is passed in data
In the defeated stage, remaining interior sensor node of cluster periodically adjusts the perception radius of oneself according to current remaining, according to perception
Radius acquires the achievement data of farm environment, and, the section as a purpose for selecting distance nearest in cluster head and transfer tiny node
The achievement data of the farm environment of acquisition is sent to destination node by point.
Wherein, the transfer tiny node reaches the data-quantity threshold of setting in the achievement data amount of received farm environment
When, the achievement data of received farm environment is sent to affiliated cluster head.
In one embodiment, multiple sensor nodes are based on LEACH Routing Protocol and carry out sub-clustering.Implement in another kind
In mode, multiple sensor nodes are divided into multiple clusters, comprising:
(1) for aggregation node to each sensor node broadcasts sub-clustering message, each sensor node receives the sub-clustering message
Afterwards, oneself, which is determined according to the following equation, becomes the probability of interim cluster head, and generates one 0 to 1 random number at random, however, it is determined that
Probability is greater than the random number, then becomes interim cluster head:
In formula, WaBecome the probability of interim cluster head, W for sensor node aa0Become interim for preset sensor node a
The probability of cluster head, GaFor the current remaining of sensor node a, Ga0For the primary power of sensor node a；
(2) each interim cluster head calculates the weight of oneself according to the following formula, and broadcasts to other sensings in communication range
Device node:
In formula, PbIndicate the weight of interim cluster head b, LbFor the maximum transmission distance of interim cluster head b, hbFor interim cluster head b's
Sensor node number within the scope of maximum transmission distance, DibFor i-th within the scope of interim cluster head b and its maximum transmission distance
The distance of sensor node；
(3) each sensor node compares the weight of all interim cluster head in its communication range, and selects weight most
Big interim cluster head is as its final affiliated cluster head.
The present embodiment proposes a kind of new clustering route protocol, which first determines interim cluster head, further according to interim cluster
The weight of head determines final cluster head.Wherein, the present embodiment proposes the weight computing formula of interim cluster head, is determined based on the weight
Final cluster head can be avoided two within the scope of mutual maximum transmission distance sensor nodes and be referred to as cluster head.This implementation
Example can be improved the uniformity of cluster head distribution, so that it is beneficial to the energy consumption between balanced cluster head, prolonging wireless sensor network
Service life.
In one embodiment, sensor node of the cluster head in its cluster selects a sensor node as terminal section
Point, specifically:
(1) cluster head, which calculates each sensor node in cluster, becomes the probability of transfer tiny node:
In formula, QαBecome the probability of transfer tiny node, h for sensor node ααFor the maximum transmission distance of sensor node α
Sensor node number in range, HαFor the sensor node number that cluster where sensor node α has, GαFor sensor section
The current remaining of point α, Gα0For the primary power of sensor node α, GβFor the maximum transmission distance range of sensor node α
The current remaining of interior the β sensor node, Gα0For the primary power of the β sensor node, v1、v2It is default
Weight coefficient；
(2) cluster head chooses the sensor node for becoming the maximum probability of terminal node as transfer tiny node.
The assisted collection that transfer tiny node carries out the achievement data of farm environment is arranged in the present embodiment, advantageously reduces cluster head
Load, avoid all working node that the achievement data of farm environment is all sent directly to cluster head and generate excessive energy consumption.This
Embodiment innovatively devises the calculation formula of the probability as transfer tiny node, and becomes transfer according to each sensor node
The probability of tiny node determines transfer tiny node, be beneficial to improve transfer tiny node carry out farm environment achievement data collect and
The reliability of the task of transmission.
In one embodiment, remaining sensor node periodically adjusts oneself according to current remaining in cluster
The perception radius, comprising:
In formula, Sa' for sensor node a adjust after the perception radius, SaPerception before being adjusted for sensor node a
Radius, SaThe perception radius after currently adjusting for sensor node a, T (a) indicate the destination node of sensor node a, Da,T(a)
It is sensor node a at a distance from its destination node, L (a) is the cluster radius of the affiliated cluster of sensor node a, and Y is preset distance
Impact factor, GaFor the current remaining of sensor node a, GT(a)For the current remaining of the destination node.
The sensor node survived in network over time, since various factors such as signal interference will cause
The unbalanced problem of communication energy consumption, so that difference occurs for sensor node dump energy.If the sensor section of lower dump energy
Point still serves as the perception task of same degree as other sensors node, then is likely to rapid failure, and then influence
The transmission performance and reliability of entire wireless sensor network.Based on the problem, in the present embodiment, setting sensor node is fixed
Phase adjusts the perception radius of oneself according to the dump energy of itself, and innovatively sets the perception radius tune of sensor node
Save formula.By the formula it is found that the energy with sensor node is reduced, the perception radius will also become smaller with adjustment.It is logical
The adjusting formula for crossing the present embodiment that reasonable sensing range is arranged for each sensor node, advantageously reduces network redundancy and covers
Lid and unnecessary energy consumption promote the energy-consuming balance of each sensor node in cluster, and then beneficial to slowing down sensor node
Failure rate extends network lifetime.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (6)
1. farm environment high precision wireless monitors system, characterized in that including environment real time monitoring module and remote monitoring terminal,
The environment real time monitoring module is used to be acquired the parameter index of reaction farm environment situation, and passes through wireless sensor
The achievement data collected is sent to remote monitoring terminal by network；The remote monitoring terminal includes storage unit, alarm
Unit and interface display unit, the storage unit for storing to the achievement data received, use by the alarm unit
It alarms in when the achievement data for reacting farm environment is lower than secure threshold, the interface display unit is for showing index
Data.
2. farm environment high precision wireless according to claim 1 monitors system, characterized in that the environment real time monitoring
Module includes the sensor node of aggregation node and multiple acquisition index data, and aggregation node is communicated with remote monitoring terminal, more
A sensor node is divided into multiple clusters, and a cluster head is arranged in each cluster, and the achievement data of the sensor node acquisition in cluster is most
It is sent to corresponding cluster head eventually, aggregation node summarizes the achievement data that each cluster head is collected and is sent to remote monitoring terminal.
3. farm environment high precision wireless according to claim 1 monitors system, characterized in that the remote monitoring terminal
It further include dealing of abnormal data unit, dealing of abnormal data unit is configured as carrying out abnormality detection received achievement data,
And the abnormal data that will test out is modified processing, by treated, achievement data is sent to storage unit.
4. farm environment high precision wireless according to claim 2 monitors system, characterized in that the sensor node packet
Heavy metal-polluted soil sensor, soil moisture sensor, soil temperature sensor, soil acidity or alkalinity sensor, soil salt is included to pass
One of sensor, underground water heavy metal sensor, underground water temperature sensor or multiple sensors.
5. farm environment high precision wireless according to claim 2 monitors system, characterized in that sensor node can be transferred to
Maximum the perception radius is Smax, when initial, the perception radius of itself is adjusted to S by each sensor node in networkmax；Sub-clustering
Afterwards, sensor node of the cluster head in its cluster selects a sensor node as transfer tiny node, cluster head and the terminal
It is always S that node, which keeps itself the perception radius,max；In data transfer phase, remaining sensor node periodically basis in cluster
Current remaining adjusts the perception radius of oneself, and the achievement data of farm environment is acquired according to the perception radius, and, in cluster head
Node as a purpose with selecting distance nearest in transfer tiny node, is sent to mesh for the achievement data of the farm environment of acquisition
Node.
6. farm environment high precision wireless according to claim 5 monitors system, characterized in that remaining sensor section in cluster
Point periodically adjusts the perception radius of oneself according to current remaining, comprising:
In formula, Sa' for sensor node a adjust after the perception radius, SaThe perception radius before being adjusted for sensor node a,
SaThe perception radius after currently adjusting for sensor node a, T (a) indicate the destination node of sensor node a, DA, T (a)For sensing
Device node a at a distance from its destination node, L (a) be the affiliated cluster of sensor node a cluster radius, Y be it is preset distance influence because
Son, GaFor the current remaining of sensor node a, GT(a)For the current remaining of the destination node.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811022471.7A CN109151754A (en) | 2018-09-03 | 2018-09-03 | Farm environment high precision wireless monitors system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811022471.7A CN109151754A (en) | 2018-09-03 | 2018-09-03 | Farm environment high precision wireless monitors system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109195130A (en) * | 2018-09-04 | 2019-01-11 | 广州市花林景观工程有限公司 | The farm environment of high-precision low cost monitors system |
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| US20090092112A1 (en) * | 2007-10-09 | 2009-04-09 | Eui Jik Kim | Wireless sensor network system and cluster management method thereof |
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| CN109195130A (en) * | 2018-09-04 | 2019-01-11 | 广州市花林景观工程有限公司 | The farm environment of high-precision low cost monitors system |
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