CN106199768A - A kind of distributed intelligence meteorological sensor monitoring system and control method thereof - Google Patents
A kind of distributed intelligence meteorological sensor monitoring system and control method thereof Download PDFInfo
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- CN106199768A CN106199768A CN201610477821.3A CN201610477821A CN106199768A CN 106199768 A CN106199768 A CN 106199768A CN 201610477821 A CN201610477821 A CN 201610477821A CN 106199768 A CN106199768 A CN 106199768A
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Abstract
The present invention provides a kind of distributed intelligence meteorological sensor monitoring system, including meteorological sensor monitoring system and data center server, meteorological sensing and monitoring system includes sensing unit, control unit, communication unit, described control unit sensor in sensing unit sends order acquisition sensor and returns data in real time, control unit inspection sensor returns the check code of data, it is judged that communication channel whether mistake；Control unit judges whether data exceed attribute sensor value range, it is judged that sensing data is the most correct；Sensor is returned data and judges and the combination of sensing attributes range value result of determination is set to the variable i of representative sensor different conditions position and carries out judging the state of each sensor in communication channel by control unit.The present invention proposes the intelligent management method that sensor states detects automatically, error information finds automatically, clock is corrected, the data observation cycle adjusts automatically, interrupted communication link automatically finds and recovers, it is possible to provide a user with unified meteorological data service.
Description
Technical field
The present invention proposes a kind of distributed intelligence meteorological sensor monitoring system and control method thereof, the invention belongs to intelligence
Integrated and the application of micro-system.
Background technology
In today that weather and ambient condition are increasingly sophisticated, weather environment situation become affect social behavior important because of
Element, not only directly affects all outdoor production and life activities, also can affect indirectly decision-making, and then produce the most far-reaching
Impact.At present, constantly merging and development, on ground due to embedded technology, technology of Internet of things, sensing technology and communication technology
Automatic meteorological observing station is set up in face, and applies Internet technology that each meteorological site is formed relatively independent network, can be real-time
Obtain weather data.
Existing automatic climate probe system carries out meteorology by disposing distributed automatic weather station in monitored area
Monitoring, automatic weather station can reduce the workload of observation personnel, it is provided that higher-quality collection data.But, along with technology
Development, existing weather monitoring system also exposes some shortcomings.Meteorological measuring lacks space time information, it is difficult to carry out the later stage
Data analysis；Data are disperseed, owing to automatic weather station uses point-to-point data transfer mode, the operation phase of each weather monitoring station
To independence, data are difficult to centralized management, and the meteorological data of each website collection can not be shared；The transmission of data depends on communication
Network, system lacks communication link and automatically checks and Restoration Mechanism.
Summary of the invention
It is an object of the invention to the difficulty overcoming prior art to exist, propose one and pass through the intelligence that network is remote controlled
Meteorological sensor monitoring system and control method, this system can send order adjustment meteorological sensor by remote server and supervise
Examining system observation cycle.The duty of meteorological sensor monitoring system energy automatic detection sensor, detects network connection road
The most normal, automatically to repair and be connected with the network between server, self-timing removes data and the rubbish that longtime running is piled up
Rubbish information.
The technical scheme is that
A kind of distributed intelligence meteorological sensor monitoring system, including meteorological sensor monitoring system and data center services
Device, the meteorological data that meteorological sensing and monitoring system is collected by data center server is managed；Meteorological sensor monitoring system
System includes sensing unit, control unit, communication unit, and meteorological data is acquired being transferred to control list by described sensing unit
Unit；Described control unit sensor in sensing unit sends order acquisition sensor and returns data in real time, and control unit is examined
Test sensor and return the check code of data, it is judged that communication channel whether mistake；Control unit judges whether data exceed sensor
Property value range, it is judged that sensing data is the most correct；Sensor is returned data and judges in communication channel and pass by control unit
Sense attribute range value result of determination combination is set to the variable i of representative sensor different conditions position and carries out judging each sensor
State；The data radio communication that control unit is collected by described communication module is transferred to data center server.
Described control unit judges concretely comprising the following steps of each sensor states: described control unit starts to gather sensor
Data, now control unit arranges variable i initial value is 0, control unit to sensor send order obtain sensor real-time
Return data, return the correctness of the check code checking return data of data according to sensor, when check code is correct, i.e. judge
There is no a communication channel error, enter according to whether the property value of sensor object meets range, if sensing data at range and
In accuracy rating, then it is assumed that sensing data is correct, it is possible to determine that sensor is in normal operating conditions, arranging variable i is 0,
Collection data are reliable, and sensing data is constant is transferred to control unit；Want if sensor return data are unsatisfactory for check code attribute
Asking, now control unit arranges Rule of judgment when meeting i ＜ 3, and i adds 1 automatically, and now control unit sends life to sensor again
Order carries out the 2nd secondary data collection；Cyclic check is to when being unsatisfactory for i ＜ 3, and putting variable i is 2, then may determine that sensor or communication
Serial port module lost efficacy, needed to change new sensor or communication serial port module, gathered error in data, and control unit is by this sensor
Data zero setting；If sensing data is by after check code Correctness checking, enters and meet range judgement, when no to scale and precision
Scope, now putting variable i is 1, illustrates that working sensor is abnormal, but can also return data, and now control unit is by sensor
Measured value is arranged to value maximum and feeds back to according to central server.
Described control unit has farther included network monitoring module, and network monitoring module is periodically to data center server
Send detection bag, when network monitoring module receives the response bag of data center server within its time preset, then confirm net
Network connects normal；When network monitoring module does not receive response bag in its Preset Time, then confirm network connection failure.
Described network monitoring module can realize detecting the intensity of 2G/3G/4G network base station signal further, when signal is strong
Degree exceedes its threshold value preset, then judge that channel is suitable for sensing system and transmits the data to data center.
Described meteorological sensing and monitoring system farther includes clock module, GPS module, supply module, described clock module
Temporal information outside Huo Quing realizes carrying out meteorological data time labelling, and described GPS module realizes carrying out meteorological data determining
Position information flag.
Described control unit connects serial ports expansion module.
Described sensing unit uses for wind direction, wind speed, pluviometer, atmospheric pressure, atmospheric humidity, atmospheric temperature, total spoke
Penetrating the meteorologic parameter sensor of meter, described sensing unit uses above type of combination in any.
Described control unit farther includes time adjustment control module, and time adjustment control module is to data center services
Device tranmitting data register correction request order, data center server obtains response time correction request after network time；When clock mould
When the time of block is in the range of error of network time, control unit terminates clock correction request；Surpass when the time of clock module
Going out in the range of error of network time, network time information is transferred to clock module and is modified by data center server.
The rain sensor of described sensing unit is provided with minimum collection period, and its method to set up is: data center services
Device is according to formula R=Rmax/ H calculates average minute clock rainfall, RmaxFor in each grade in rainfall table of grading 12 hours
Heavy rainfall, H is the time；Then according to formula Tmin=W/R calculates the minimum collection period of rain sensor, and R is fall per minute
Rainfall；W is the resolution of rain sensor, TminFor minimum observation cycle；Data center server is by anti-for collection period value of calculation
Being fed to control unit, control unit drives rain sensor to carry out data acquisition with collection period frequency.
The method farther including rain sensor period modulation, its method particularly includes: described data center server sets
Put the meteorological data obtaining China Meteorological net real-time update in real time, from weather forecast information, extract rainfall information, big when judging
When rain or heavy rain information, data center server observes, from rain sensor, the time series that extracting data is nearest, during calculating
Between the dynamic of data in window, byCalculate collection period rain sensor is adjusted, TnewIt is to adjust
Whole later collection period, TcurrentIt is current sample frequency, PboundIt is default normal data dynamic, is defined as change
Data amount check and the ratio of data amount check in whole window.
The invention have the advantage that
1. the distributed intelligence meteorological sensor monitoring system of the present invention includes two parts, and intelligent gas image sensor is monitored
System and data center server.Each intelligence weather monitoring system core module is embedded board, and development board is by string
Mouth connects seven sensors, including: wind direction, wind speed, pluviometer, atmospheric pressure, atmospheric humidity, atmospheric temperature and global radiation meter,
And access GPS module and clock module, and GPRS (General PacketRadio Service) module.Meteorological sensing
Device monitoring system uses RS485 serial bus to connect each sensor, makes system have extensibility, can be according to the need of user
Ask and freely add meteorological element sensor.GPS module provides positional information, and clock module is not only sensing data and provides clock
Label, and, clock information becomes the reference time of meteorological sensor monitoring system Based Intelligent Control.GPRS module provides intelligence to pass
Sensor system is connected with the radio communication of data center server.
Meteorological sensor the most of the present invention monitoring system intelligence observation procedure.Ask for sensor observation error and data exception
Topic, a kind of sensor error detection method of design, find error in data in time, it is judged that working sensor state is the most normal.Pin
Remote radio communication is easily disturbed and causes the phenomenon of link interruption, introduce a kind of communication link and connect holding mechanism and data
Reliability transmission method, meteorological sensor monitoring system can recover the communication connection with data center server automatically.For time
Clock module time drifting problem, designs a kind of clock correction method based on the Internet time service, periodically passes through data center services
Correct clock information broadcasted by device, corrects the time of the clock module of distributed intelligence meteorological sensor observation system.
3. the present invention distributed meteorological sensor monitoring system centralized control and management method.For traditional meteorological sensing prison
Examining system dispersion, data acquiring frequency is fixed, data deficiency effectively stores, data lack the problem of shared mechanism, and design is the most real
Showed and integrated data receiver, data storage, data, services, sensor observation cycle remotely control the meteorological sensing of all functions
Network monitor integrating control and management system, manage and control the observation of distributed meteorological sensor monitoring system concentratedly, share
It observes data.The problem causing data acquisition too much or very few is fixed, it is proposed that a kind of for meteorologic parameter frequency acquisition
Meteorological sensor observation cycle method of adjustment, period modulation method is divided into two parts, a part to be to adjust based on weather forecast to see
Survey cycle methods, the situation that the fluctuation of this method applicable data is less, such as this state of fine day, light rain；Another part is base
Dynamically adjusting observation cycle method in observation data, this method is applicable to the situation that data fluctuations is bigger, such as heavy rain, reduces
Unnecessary redundant data collection and energy expenditure, provide the user real-time, accurately, conveniently data, services.
Accompanying drawing explanation
Fig. 1 is the system general frame figure of the present invention；
Fig. 2 is the meteorological sensor monitoring system construction drawing of the present invention；
Fig. 3 is the meteorological sensor monitoring system functional module composition diagram of the present invention；
Fig. 4 is sensor of the invention error-detecting method；
Fig. 5 is the reliable transmission of data method of the present invention；
Fig. 6 is the clock correction method of the present invention；
Fig. 7 is the software level design drawing of data center server of the present invention；
Fig. 8 is UML data model figure of the present invention；
Fig. 9 is period modulation method flow diagram proposed by the invention；
Detailed description of the invention
Understand and implement the present invention for the ease of those of ordinary skill in the art, below in conjunction with the accompanying drawings and embodiment is to this
Bright it is described in further detail, it will be appreciated that enforcement example described herein is merely to illustrate and explains the present invention, not
It is defined in the present invention.
Fig. 1 is the system general frame figure of the application present invention, distributed intelligence weather monitoring system and data center take
Business device two parts are constituted.Distributed meteorological sensor monitoring system is deployed in the independent weather monitoring system of monitored area by dispersion
Constituting, the real-time data collection of distributed meteorological sensor monitoring system is passed by and GPRS network fast by GPRS radio communication mold
It is passed to data center server.The meteorological data that meteorological sensing and monitoring system is collected by data center server is unified
Access, and meteorological data is stored effectively and manages, enable meteorological data to be effectively provided to user.With
Time, data center server can carry out periodic Control according to the demand of user to meteorological sensor monitoring system, make meteorological biography
Sensor monitoring system is no longer acquired with fixing collection period, and the collection decreasing redundant data with this and sensor are not
Necessary energy expenditure, also makes the data of collection more conform to environmental change.
Fig. 2 is that meteorological sensor of the present invention monitors system composition diagram.Weather monitoring system includes development board 7, clock module
3, serial ports expansion module 203, GPS module 5, communication module 4, the sensor assembly of various meteorological element and supply module 6 structure
Become.Development board 7 is the control centre of meteorological sensor monitoring system, i.e. control unit controls the operation of whole system.GPS
Module 5 provides the location information of weather monitoring system, it is simple to system positions.Due to weather monitoring system area operation in the wild,
Be easily subject to blocking of trees forest, due to the interference of electromagnetic signal, it is difficult to the signal of real-time reception to satellite, be sometimes difficult to from
GPS obtains temporal information, for ensureing that meteorology gathers data and has clock label all the time, thus when an external clock module obtains
Between information.Communication interface limited amount due to development board, it is difficult to accommodate polytype communication interface, therefore sense in meteorology
Device monitoring system can be added serial ports expansion module 203, the interface of regarded as output controlling plate, it is ensured that modules according to demand
Smooth access.Communication module provides the communication connection of weather monitoring system and remote data management center, it is ensured that weather monitoring
Data and mutual being smoothed out of control command is gathered between system and remote data management center.Owing to meteorological sensor is monitored
System needs to carry out multiple meteorological element data acquisition, and the access of the most various sensors uses RS485 bus, it is simple to meteorological biography
The extension of sensor monitoring system, can freely add meteorological element sensor according to the demand of user.Supply module is a hardware
Module provides power supply support.Meteorologic parameter sensor specifically includes that wind transducer 101, air velocity transducer 102, pluviometer
103, barometric pressure sensor 104, atmospheric humidity sensor 105, atmosphere temperature transducer 105 and global radiation meter 107 7 kinds is logical
Letter module 4 mainly uses GPRS module.
Fig. 3 is the meteorological sensor monitoring system functional module composition diagram of the present invention, including control unit 2, clock module
3, communication module 4, GPS module 5, sensing unit 1, wherein control unit includes sensor and checks module 201, network monitoring mould
Block 202, clock correction control module 204, timer 2 05, sensing unit uses for wind direction, wind speed, pluviometer, atmospheric pressure
Power, atmospheric humidity, atmospheric temperature, the meteorologic parameter sensor of global radiation meter, be originally illustrated as wind transducer 101, wind speed sensing
Device 102, pluviometer 103, barometric pressure sensor 104, atmospheric humidity sensor 105, atmosphere temperature transducer 106, global radiation
Meter 107, in the present invention, sensing unit uses above type of combination in any.Control unit 2 is by serial ports expansion module 203 and biography
Sense unit 1, communication module 4, GPS module 5 are connected.
Fig. 4 shows that one distributed intelligence meteorological sensor of the present invention monitoring system realizes sensor error detection method,
Control unit is examined in the state of each sensor according to sensor address order, and control unit arranges a variable i and carrys out table
Showing sensor states flag bit, i is that 0 expression sensor is normal, reliable measuring data；I is that 1 expression sensor measurement data is wrong
Miss, but sensor energy return measurement value；I is that 2 expression sensor measurement data can not normally return, and sensor or serial ports connect
Module damage.Comprise the concrete steps that: control unit starts to gather the data of sensor, and now control unit arranges variable i initial value
Being 0, the control unit of monitoring system sends order acquisition sensor to sensor and returns data in real time, returns number according to sensor
According to check code checking return the correctness of data, get rid of the transmission error in data that causes due to communication channel.When check code just
Time really, i.e. judge not have communication channel error, enter according to whether the property value of sensor object meets range, as measured scope
And precision, the correctness of inspection sensor acquisition data and reliability, if sensing data is in range and accuracy rating, then recognize
Correct for sensing data.Even return data and meet the attribute specification of sensor object, then can be determined that sensor is just in
Often duty, arranging variable i is 0, gathers data reliable, and sensing data is constant is transferred to control unit；If sensor returns
Returning data and be unsatisfactory for check code attribute specification, i.e. check code authentication error, now control unit arranges Rule of judgment and meets i ＜ 3
Time, i adds 1 automatically, and now control unit carries out the 2nd secondary data collection to sensor transmission order again；Cyclic check is to discontented
During foot i ＜ 3, putting variable i is 2, then may determine that sensor or communication serial port module lost efficacy, needs to change new sensor or logical
Letter serial port module, gathers error in data, and control unit is by this sensing data zero setting.If sensing data is correct by check code
Property check after, enter meet range judge, when no to scale and accuracy rating, now putting variable i is set to 1, and sensor is described
Operation irregularity, but data can also be returned.When sensing data exceedes the range ability of sensor, control unit can will sense
Device measured value is arranged to value maximum and feeds back to according to central server.By arranging sensor states mark in a control unit
Position is transferred to central server so that data integration service centre it will be seen that duty and the observation data of meteorological sensor
Reliability characteristic.
The above, in the present invention, control unit sensor in sensing unit sends and orders acquisition sensor to return in real time
Returning data, control unit inspection sensor returns the check code of data, it is judged that communication channel whether mistake；Control unit judges number
According to whether exceeding attribute sensor value range, it is judged that sensing data is the most correct；Sensor is returned data and exists by control unit
Communication channel judges that the variable i being set to representative sensor different conditions position with the combination of sensing attributes range value result of determination is carried out
Judge the state of each sensor.
Reliable transmission of data method of the present invention is as shown in Figure 5.In order to ensure the connection of network communication link, the present invention adopts
The normal link of network is ensured by heart beating machine contracting system.Heartbeat packet working mechanism is as follows: meteorological sensor monitoring system controls single
Unit has network monitoring module further, and meteorological sensor monitors the control unit of system every 1 minute just to remote data management
Center sends a detection bag, starts the overtime timer arranged in control unit simultaneously, and remote data management center connects
Receive detection bag, just respond a response bag to meteorological sensor monitoring system, if meteorological sensor monitoring system receives number
According to the response bag of administrative center, then explanation network connects normal, if meteorological sensor monitoring system depends on after timer expiry
So do not receive response bag, network connection failure is described.Now meteorological sensor monitoring system controls GPRS DTU (General
Packet Radio Service Data Transfer Unit) module restarts, re-establishes and control data corporation
Connect, it is ensured that communication network properly functioning.
After having gathered all meteorological datas, GPS and clock module data, the control unit of meteorological sensor monitoring system
Network status query order is sent, by heartbeat packet working mechanism inquiry GPRS module and data center server to GPRS module
Connection status, by detect 2G/3G/4G network base station signal intensity, if signal intensity exceedes default threshold value, then judge
Channel is suitable for sensing system and transmits the data to data center.If connecting normal, channel open, then by sensor meteorologic survey
Data are sent to the spatial cache of GPRS module by the control unit in development board, wait that GPRS module transmits data to remotely
Control data corporation.If the data that can receive control data corporation return after transmission receive order, then this secondary data is successfully sent out
Sending, if not receiving confirmation order, then resending data.By heartbeat packet mechanism and channel open detection method, it is ensured that point
Cloth meteorological sensor monitoring system acquisition meteorological data can completely, be properly transferred to data center server.
Fig. 6 shows clock correction method based on the Internet time service such as.It is provided with clock in meteorological sensor monitoring system
Module, is provided with an intervalometer, clock correction control module, the control unit of meteorological sensor monitoring system in control unit
Starting this intervalometer, after intervalometer response, weather monitoring system control unit please to the correction of data center server tranmitting data register
Ask order.Data center server obtains response time correction request after network time, when the time of clock module at network time
Between range of error in time, the clock correction control module of control unit terminates clock correction request.Time when clock module
Beyond in the range of error of network time, data center server monitors system broadcasts orthochronous to distributed meteorological sensor
Information, clock module receives network time information and is modified clock module.Each distributed meteorological sensor monitoring system root
The time of clock module is corrected, it is achieved clock is unified according to the broadcast time received.
Fig. 7 is the software level design drawing of data center server, have employed MVC design pattern, in conjunction with three-tier architecture
Do, respectively data access layer, Business Logic and expression layer.Data access layer is specially with data base interacts, and holds
The interpolation of row data, deleting, revise and display etc., all of data object is all only cited at this layer.Data access layer
Mainly store the user profile of system, the Back ground Information of each weather monitoring website and meteorological measuring information, for industry
The data call of business logical layer provides to be supported.Database access code wrap is got up by data access layer, other layer no longer occurs
Or expose to other layer.Business Logic is then a layer of most crucial also most worthy in whole system design, should for subpackage
By the service logic of program, processing data, pay close attention to customer demand, operation layer is positioned at data Layer and represents the centre of layer, plays and holds
On open under effect, mainly include data configuration, data subscription, data query, data receiver, data interaction, data process, pass
Sensor controls, subscriber management function module.Initial data can be accessed in business procession or produce new data, data access
Layer can help Business Logic to complete data process well, but data access layer does not process service logic, is only operation layer
Help is provided, obtains the operation such as initial data or perdurable data.Represent layer and user's direct correlation, provide the user one and relax
Suitable interactive interface, user can input data by interactive interface, it is also possible to after checking submission form by interactive interface
Perform result.
Fig. 8 is the uml model figure of data in the present invention, including four entities: user, weather monitoring system, sensor with
And meteorological element.Each entity will oneself attribute, the most interrelated between each entity, weather monitoring station is clicked on by user
Row controls, including period modulation function, clock correction function；Sensor is managed by weather monitoring system, including to sensing
The status checkout of device and collection data quality control；Meteorological element is acquired by sensor, wet including air themperature, air
Degree, wind speed, wind direction, radiation, the collection of six meteorological elements of rainfall.The data base that this uml model figure is corresponding is placed in data and visits
Ask layer.
Fig. 9 is proposed period modulation method flow diagram, according to the weather forecast data of China Meteorological net, for rainfall
The physical property of sensor, a kind of rain sensor period modulation method of proposition.The present invention creates weather forecast API, data
Central server obtains the meteorological data of China Meteorological net real-time update in real time, including rainfall forecast data.From weather forecast number
Be correlated with forecast information keyword according to middle extraction rainfall, it is judged that rainfall state, it is judged that the power of rainfall change, if fine day or
Light rain, then it is assumed that rainfall change is little, data center server sends minimum period adjustment and orders to weather sensor system, this
Time, weather sensor system, with reference to minimum collection period, arranges sensor and repeats the monitoring cycle.If weather forecast be moderate rain,
Heavy rain or heavy rain, then it is assumed that rainfall changes greatly, does not provide the predicted time of rainfall due to weather forecast, therefore, only with reference to
Weather forecast adjusts the weather monitoring website monitoring cycle, and energy-saving effect is inconspicuous.From weather forecast information extract heavy rain or
After heavy rain information, the dynamic of data in the time series that rain sensor observation extracting data is nearest, calculating time window,
The present invention can realize dynamic and adjust rain sensor cycle, data dynamic P in windowboundIt is defined as delta data
Number and the ratio of data amount check in whole window.Calculate, further according to the dynamic of data in window, the collection period made new advances to be sent to
Sensing system, computation of Period formula isTnewIt is to adjust later collection period, TcurrentIt is to work as
Front sample frequency, PboundIt it is default normal data dynamic.When later moment in time observation data and previous moment observation data
Amplitude of variation is in the range of defined, then think that data do not change, if later moment in time observation data and previous time
Carve observation data variation amplitude outside the scope of defined, then it is assumed that data there occurs change, calculates the adjustment cycle, sends
New period modulation order.
Rain sensor minimum collection period computational methods.According to the operation principle of tipping bucket rain gauge, in conjunction with turning over
The resolution of bucket type rain sensor and standard rainfall table of grading (as shown in table 1), calculate the rain of each grade rainfall
Quantity sensor minimum collection period (table 2).The meaning of the minimum collection period of each grade rainfall is in different rainfall grades
Under, the shortest time that rain sensor upset is once required.As shown in table 1 according to standard rainfall table of grading, it can be seen that 12
When rainfall is 0.1～4.9 millimeter in hour, it is divided into light rain, according to formulaAverage minute clock can be calculated
Rainfall is about 0.00014～0.00681mm, and the rain sensor metering tipping bucket used by native system to stir be once 0.2 millimeter
Precipitation, according to formulaCan calculate under light rain state, rain sensor tipping bucket stirs once to needing 30 at least
Minute, it is the most all nonsensical for gathering every five minutes or ten minutes, and therefore collection period can be set to by we
30 minutes, reduce unnecessary collection, here it is the minimum collection period of light rain state.RmaxFor in rainfall table of grading each etc.
Level is maximum rainfall in 12 hours, and H is 12 hours namely 720 minutes, and R is rainfall per minute；W is rain sensor
Resolution, the rain sensor resolution that native system uses is 0.2mm, TminFor minimum observation cycle.By that analogy, each fall
Rain grade has corresponding rainfall minimum collection period.Minimum collection period is as shown in table 2.
Table 1 standard rainfall table of grading
The minimum collection period of table 2
| Rainfall grade name | Minimum period (min) |
| Light rain | 30 |
| Moderate rain | 10 |
| Heavy rain | 5 |
| Heavy rain | 3 |
| Torrential rain | 2 |
| Extra torrential rain | <2 |
The present invention proposes management and the control method of a kind of distributed intelligence meteorological sensor monitoring system, and research is the most real
Showed that sensor states detects automatically, error information finds automatically, clock is corrected, the data observation cycle adjusts automatically, communication chain
The intelligent management method automatically finding and recovering is interrupted on road, and can be according to the fortune of the demand control system of different user
OK, it is possible to provide a user with unified meteorological data service.Under framework of the present invention, each Meteorological Observation System can individually be transported
OK, also can integrate, provide a user with unified meteorological data service, there is stronger autgmentability and motility, be conducive to
It is widely applied prospect.
Although the present invention has been illustrated in detail in and has described relevant specific embodiment reference, but those skilled in the art
Member is it should be appreciated that can be variously modified in the form and details in without departing substantially from the spirit and scope of the present invention.
These change the protection domain required by claim falling within the present invention.
Claims (10)
1. a distributed intelligence meteorological sensor monitoring system, it is characterised in that: include that meteorological sensor monitors system sum
According to central server, the meteorological data that meteorological sensing and monitoring system is collected by data center server is managed；Meteorological
Sensing and monitoring system includes sensing unit, control unit, communication unit,
Meteorological data is acquired being transferred to control unit by described sensing unit；
Described control unit sensor in sensing unit sends order acquisition sensor and returns data in real time, and control unit is examined
Test sensor and return the check code of data, it is judged that communication channel whether mistake；Control unit judges whether data exceed sensor
Property value range, it is judged that sensing data is the most correct；Sensor is returned data and judges in communication channel and pass by control unit
Sense attribute range value result of determination combination is set to the variable i of representative sensor different conditions position and carries out judging each sensor
State；
The data radio communication that control unit is collected by described communication module is transferred to data center server.
A kind of distributed intelligence meteorological sensor monitoring system the most according to claim 1, it is characterised in that: described control
Concretely comprising the following steps of each sensor states of unit judges: described control unit starts to gather the data of sensor, now controls
It is 0 that unit arranges variable i initial value, and control unit sends order acquisition sensor to sensor and returns data in real time, according to biography
Sensor returns the correctness of the check code checking return data of data, when check code is correct, i.e. judges do not have communication channel wrong
By mistake, enter according to whether the property value of sensor object meets range, if sensing data is in range and accuracy rating, then recognize
Correct for sensing data, it is possible to determine that sensor is in normal operating conditions, arranging variable i is 0, gathers data reliable, passes
Sensor data are constant is transferred to control unit；If sensor returns data and is unsatisfactory for check code attribute specification, now control unit
Arranging Rule of judgment when meeting i ＜ 3, i adds 1 automatically, and now control unit again sends order to sensor and carries out the 2nd secondary data
Gather；Cyclic check is to when being unsatisfactory for i ＜ 3, and putting variable i is 2, then may determine that sensor or communication serial port module lost efficacy,
Needing to change new sensor or communication serial port module, gather error in data, control unit is by this sensing data zero setting；If sensing
Device data, by after check code Correctness checking, enter and meet range judgement, when no to scale and accuracy rating, now put variable
I is 1, illustrates that working sensor is abnormal, but can also return data, and now measurement value sensor is arranged to value by control unit
Maximum feeds back to according to central server.
A kind of distributed intelligence meteorological sensor monitoring system the most according to claim 1, it is characterised in that: described control
Unit has farther included network monitoring module, and network monitoring module periodically sends detection bag to data center server, works as net
Network monitoring module receives the response bag of data center server within its time preset, then confirm that network connects normal；Work as net
Network monitoring module does not receive response bag in its Preset Time, then confirm network connection failure.
A kind of distributed intelligence meteorological sensor monitoring system the most according to claim 3, it is characterised in that: described network
Monitoring module can realize detecting the intensity of 2G/3G/4G network base station signal further, when signal intensity exceedes its threshold preset
Value, then judge that channel is suitable for sensing system and transmits the data to data center.
A kind of distributed intelligence meteorological sensor monitoring system the most according to claim 1, it is characterised in that: described meteorology
Sensing and monitoring system farther includes clock module, GPS module, supply module, the time letter outside the acquisition of described clock module
Breath realizes carrying out meteorological data time labelling, and described GPS module realizes carrying out meteorological data positioning information flag.
A kind of distributed intelligence meteorological sensor monitoring system the most according to claim 1, it is characterised in that: described control
Unit connects serial ports expansion module.
A kind of distributed intelligence meteorological sensor monitoring system the most according to claim 1, it is characterised in that: described sensing
Unit uses the meteorologic parameter for wind direction, wind speed, pluviometer, atmospheric pressure, atmospheric humidity, atmospheric temperature, global radiation meter to pass
Sensor, described sensing unit uses above type of combination in any.
A kind of distributed intelligence meteorological sensor monitoring system the most according to claim 3, it is characterised in that: described control
Unit farther includes time adjustment control module, and time adjustment control module please to the correction of data center server tranmitting data register
Asking order, data center server obtains response time correction request after network time；When the time of clock module at network time
Between range of error in time, control unit terminates clock correction request；The error of network time is exceeded when the time of clock module
In the range of, network time information is transferred to clock module and is modified by data center server.
9. the control method of a kind of distributed intelligence meteorological sensor monitoring system described in application claim 1, it is characterised in that:
The rain sensor of described sensing unit is provided with minimum collection period, and its method to set up is: data center server is according to public affairs
Formula R=Rmax/ H calculates average minute clock rainfall, RmaxFor maximum rainfall in each grade in rainfall table of grading 12 hours,
H is the time；Then according to formula Tmin=W/R calculates the minimum collection period of rain sensor, and R is rainfall per minute；W is
The resolution of rain sensor, TminFor minimum observation cycle；Collection period value of calculation is fed back to control by data center server
Unit, control unit drives rain sensor to carry out data acquisition with collection period frequency.
The control method of a kind of distributed intelligence meteorological sensor the most according to claim 9 monitoring system, its feature exists
In: the method farther including rain sensor period modulation, its method particularly includes: described data center server is arranged in real time
Obtain the meteorological data of China Meteorological net real-time update, from weather forecast information, extract rainfall information, when judging heavy rain or sudden and violent
During rain information, data center server observes, from rain sensor, the time series that extracting data is nearest, calculates in time window
The dynamic of data, byCalculate collection period rain sensor is adjusted, TnewAfter being adjustment
Collection period, TcurrentIt is current sample frequency, PboundIt is default normal data dynamic, is defined as delta data
Number and the ratio of data amount check in whole window.
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