CN109862110A - A kind of data acquisition device, evapotranspiration monitoring system and method - Google Patents
A kind of data acquisition device, evapotranspiration monitoring system and method Download PDFInfo
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- CN109862110A CN109862110A CN201910173629.9A CN201910173629A CN109862110A CN 109862110 A CN109862110 A CN 109862110A CN 201910173629 A CN201910173629 A CN 201910173629A CN 109862110 A CN109862110 A CN 109862110A
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Abstract
The embodiment of the present application provides a kind of data acquisition device, evapotranspiration monitoring system and method, wherein data acquisition device includes: vortex correlation system, serial server and the first wireless bridge, vortex correlation system is connected to the serial ports end of serial server, first wireless bridge is connected to the network interface end of serial server, the second wireless bridge wireless connection of the first wireless bridge and monitoring center.When carrying out evapotranspiration monitoring, turbulent flux initial data between vortex correlation system acquisition atmosphere and underlying surface, and using serial server and wireless bridge by the turbulent flux original data transmissions to monitoring center, to realize the real-time monitoring to evapotranspiration.
Description
Technical field
This application involves Ecological waterscape technical fields, in particular to a kind of data acquisition device, evapotranspiration monitoring system
System and method.
Background technique
Important component of the evapotranspiration as earth's surface hydro-thermal circulation participates in soil-vegetation-atmosphere Continuum (Soil-
Plant-Atmosphere Continuum, SPAC) system moisture exchange is the important knob of land face ecological process and hydrologic process
Band.Chamber technique measures the exchanges of mass and energy between atmosphere and underlying surface using the sensor of placement, it has also become evapotranspires
Send out the Typical Representative of monitoring method.At this stage, to vortex correlation system acquisition to initial data carry out transmission with monitor mostly be
Using external storage downloaded copy or cable-network transmission, still, using downloaded copy mode, water vapor flux data are by under periodically
It carries, not can guarantee the real-time monitoring to data, and cable network mode need to specially lay cable, not convenient enough, flexible, cost phase
To also higher.
Summary of the invention
The embodiment of the present application is designed to provide a kind of data acquisition device, evapotranspiration monitoring system and method, utilizes
Wireless bridge and serial server realize wireless real-time transmission and the monitoring of vortex correlation system data, and acquisition device position can spirit
Movement living, also reduces monitoring cost.
In a first aspect, this application provides a kind of data acquisition devices, comprising: vortex correlation system, serial server with
And first wireless bridge, the vortex correlation system are connected to the serial ports end of the serial server, first wireless bridge
It is connected to the network interface end of the serial server, the second wireless bridge of first wireless bridge and monitoring center wirelessly connects
It connects；The vortex correlation system is used to acquire the turbulent flux initial data between atmosphere and underlying surface, and the serial server is used
In by first wireless bridge by the turbulent flux original data transmissions to monitoring center.
In above process, data acquisition device adopts turbulent flux initial data using the completion of vortex correlation system
Collection, and real time data synchronization is sent in serial server, serial ports is terminated the data conversion received by serial server at this time
To be forwarded again by network interface end after network packet, and then can be sent data to using the local area network of wireless bridge
In monitoring center, the real-time Transmission of data is completed, wireless bridge networking is more convenient, flexible compared to cable network in the application.
With reference to first aspect, described device further includes support and bracket, and the bracket includes first connecting rod and
Two connecting rods, second connecting rod can be accommodated into the first connecting rod；One end of the first connecting rod is fixed on institute
It states on support, the first connecting rod is equipped with the first limiting section far from one end of the support, and second connecting rod is close to institute
The one end for stating first connecting rod is equipped with the second limiting section corresponding with first limiting section, in second connecting rod
It extend out to the length of fixed bracket when predeterminated position；The first wireless bridge setting is on the bracket.
With reference to first aspect, first limiting section is limit hole, and second limiting section is limited block, and described second connects
Extension bar when extending out to predeterminated position the limited block be fixed in the limit hole.
Due to that should ensure the biography between transmitting terminal and the wireless bridge of receiving end as far as possible during carrying out data transmission
There is no barrier to block in defeated path, it, can be by making at least one end increase its mounting height, to solve when presence is blocked between the two
Certainly barrier is inconvenience brought by the transmission of signal.Consequently, to facilitate adjusting the height of the first wireless bridge, above-mentioned bracket can
Has expansion performance, when wherein the second connecting rod is stretched out from first connecting rod, the first wireless bridge can also be increased.
With reference to first aspect, described device further includes photoisolator, and the photoisolator is arranged in first nothing
Between gauze bridge and the serial server.
Since data acquisition device prolonged placement is in field, it will in face of the brought influence of bad weather, such as thunder and lightning.
Photoisolator make it is completely insulated between the first wireless bridge and serial server, when encountering heavy current or thunder and lightning, photoelectricity every
It will disconnect, be isolated automatically from device, thunder and lightning can be effectively prevent to damage vortex correlation system equipment and serial server.
With reference to first aspect, the vortex correlation system includes three-D ultrasonic anemobiagraph, gas analyzer and processing dress
It sets, the three-D ultrasonic anemobiagraph, the gas analyzer are connect with the processing unit, and the processing unit is connected to institute
State the serial ports end of serial server；The gas analyzer is Open path gas analyzer.
Second aspect, this application provides a kind of evapotranspiration monitoring systems, including described in monitoring center and first aspect
Data acquisition device, the monitoring center includes that the second wireless bridge and the monitoring connecting with second wireless bridge are whole
End, the monitor terminal receive by the second wireless bridge and handle vortex correlation system in the data acquisition device and acquired
Turbulent flux initial data.
In entire monitoring system, the wireless bridge of monitoring center is as receiving end, the wireless bridge of data acquisition device
As transmitting terminal, the WLAN of composition data transmission, when using serial server, monitor terminal is according to for serial port service
The com port number of device setting, receives the data in corresponding serial server.By being taken on monitor terminal to serial ports
Device progress corresponding configuration of being engaged in whenever vortex correlation system acquisition to data, will all be sent to serial ports clothes in monitoring process in real time
The conversion for device progress data of being engaged in, and distal end is sent to by wireless network, and then monitor terminal can be numbered according to specified com port
The initial data acquired in corresponding vortex correlation system is received, to realize obtaining in real time to turbulent flux initial data
It takes.
In conjunction with second aspect, the monitoring of serial server and the first wireless bridge and monitoring center in data acquisition device
Terminal and the IP address of the second wireless bridge are configured in same network segment.
In the above scheme, serial server and monitor terminal are both connected on wireless bridge, and are each equipped in same
Therefore the IP address of one network segment can be communicated mutually between monitor terminal and serial server, realize data exchange.
In conjunction with second aspect, when the monitor terminal is multiple, the monitoring center further includes interchanger, the exchange
Machine connect with second wireless bridge and connect respectively with each monitor terminal.
The third aspect, this application provides a kind of evapotranspiration monitoring method, applied to monitoring system described in second aspect,
The monitoring system includes data acquisition device and monitoring center, and the data acquisition device includes vortex correlation system, string
Mouth server, which comprises the turbulent flux initial data between vortex correlation system acquisition atmosphere and underlying surface, and utilize
The turbulent flux initial data is sent to the monitor terminal in monitoring center by serial server by wireless network；Monitoring is eventually
End receives the turbulent flux initial data, and according to preset running parameter, using default processing model to the rapids
Circulation initial data is calculated, and is obtained turbulent flux and is calculated data；The monitor terminal is exported or is protected every preset time
It deposits the turbulent flux and calculates data.
In above process, vortex correlation system can be passed in real time data using serial server and Wireless LAN
Transport to monitor terminal, monitor terminal according to the running parameter of setting, such as vortex correlation system front end acquisition equipment type and
Model, com port number, the height above sea level and device height, vegetation height etc. pair locating for vortex correlation system of serial server
The received initial data of institute is calculated, to can get the water vapor flux data between atmosphere and underlying surface, is realized to evapotranspiration
Real-time monitoring.
In conjunction with the third aspect, the turbulent flux initial data is passed through into nothing using serial server in vortex correlation system
Gauze network is sent to before the monitor terminal in monitoring center, the method also includes: the monitor terminal utilizes test instruction
Confirm that the communication between the monitor terminal and the serial server is normal.
Test instruction for example can be PING order, and monitor terminal can communicate feelings in the IP of local detection and serial server
Condition, and further ensure that local net network communication is normal, otherwise the data in vortex correlation system will be unable to normal transmission to prison
On control terminal.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application will make below to required in the embodiment of the present application
Attached drawing is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore should not be seen
Work is the restriction to range, for those of ordinary skill in the art, without creative efforts, can be with
Other relevant attached drawings are obtained according to these attached drawings.
Fig. 1 is the connection schematic diagram for the data acquisition device that the application first embodiment provides；
Fig. 2 is another connection schematic diagram for the data acquisition device that the application first embodiment provides；
Fig. 3 is the schematic diagram for the evapotranspiration monitoring system that the application second embodiment provides；
Fig. 4 is the flow chart for the evapotranspiration monitoring method that the application 3rd embodiment provides.
Icon: 10- data acquisition device；101- vortex correlation system；102- serial server；The first wireless network of 103-
Bridge；104- Serial Port Line；105- cable；106- electromagnetic wave；107- bracket；108- support；109- photoisolator；In 20- monitoring
The heart；The second wireless bridge of 201-；202- monitor terminal；203- cable；204- interchanger.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application is described.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile the application's
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
Water vapor transmission between earth's surface-atmosphere is an ecological and of interest hydrology emphasis.Evapotranspiration through
Soil-vegetation-atmosphere Continuum (SPAC) system, is the important tie of land face ecological process and hydrologic process, and therefore, monitoring is steamed
It distributes and its spatial-temporal characteristics has the even Global climate change monitoring of land face ecology hydrologic cycle process simulation, region
Certain meaning.Usually measurement water vapor flux method have water balance method, lysimeter, ripple ratio method, Aerodynamic method,
Chamber technique, flashing flux method etc., these methods are underlying surface water-vapor exchange, field irrigation decision, water resources comprehensive utilization
Equal researchs provide reference and foundation, and the following embodiments of the application mainly provide a kind of data acquisition dress according to Chamber technique
It sets, evapotranspiration monitoring system and the monitoring method applied to evapotranspiration monitoring system.
First embodiment
As shown in Figure 1, the present embodiment provides a kind of data acquisition devices 10, comprising: vortex correlation system 101, serial ports clothes
Business device 102 and the first wireless bridge 103, vortex correlation system 101 are connected to the serial ports end of serial server 102, the first nothing
Gauze bridge 103 is connected to the network interface end of serial server 102.In connection, vortex correlation system is connected using Serial Port Line 104
101 main equipment and serial server 102, meanwhile, serial server 102 is connected to the first wireless bridge using cable 105
On 103, in data transmission procedure, vortex correlation system data collected will be realized by serial server from serial data to
The conversion of network data is wirelessly connected by the first wireless bridge 103 in practical application with the second wireless bridge in monitoring center
It connects, therefore, the network data after conversion can be sent to monitoring center by wireless network, realize the acquired number of vortex correlation system
According to wireless real-time transmission.
Above-mentioned vortex correlation system is also often referred to as whirling motion observation system, Eddy covariance system etc., mainly uses whirlpool
The dynamic principle of general covariance, is acquired the initial data of turbulent flux, initial data collected mainly includes three-dimensional velocity
(Ux、Uy、Uz), virtual temperature (Ts), gas concentration (CO2、H2O) etc..Vortex correlation system is mainly by three-D ultrasonic anemobiagraph, gas point
Analyzer and processing unit composition, the front-end collection equipment of three-D ultrasonic anemobiagraph, gas analyzer as vortex correlation system,
It completes to acquire the data of current underlying surface environment by the sensor of inside setting；Processing unit is as vortex correlation system
Main equipment is mainly used for the storage to data, handles and to control of front-end collection equipment etc., be provided with and deposit in processing unit
In the case where card storage, the data that front-end collection equipment is exported can be stored directly in storage card, avoid the occurrence of Missing data.
Certainly, in the present embodiment, collected initial data can directly be sent to serial server in real time, and be transmitted to distal end and supervise
Control center, is stored without using storage card.
Serial server will make data be transmitted to monitoring center after completing data conversion treatment by wireless bridge.?
When being wirelessly transferred, transmitting terminal of the first wireless bridge (work in Sta mode) of side as data is acquired, monitors the of side
Receiving end of two wireless bridges (work is in ap mode) as data, the data of transmitting terminal are converted into radio magnetic wave orientation hair
(106 in electromagnetic wave namely Fig. 1 herein) are mapped in air, carry out data dissemination by medium of air, then receiving end institute
It receives.The networking of wireless bridge has apparent advantage in the present embodiment, can be up to several kilometers to tens kilometers of distance
Upper to realize point-to-point or point-to-multipoint network connection, data transmission bauds is up to Mbps up to a hundred, due to data acquisition device
To avoid the interference to water vapor flux such as building, compared with often applying underlying surface is uniform, spacious flat field, as long as transmitting terminal
In the wireless signal overlay area of receiving end, it can be easily linked into monitoring center, without laying cable, be also convenient for
Carry out network operation and extension.
In above process, between data acquisition device and monitoring center utilize wireless bridge, set up data transmission stablize,
Flexible convenient and fast WLAN, realizes the wireless real-time transmission to the acquired data of vortex correlation system, meanwhile, it is not necessarily to
The wiring of ground pipe laying, can also be according to practical study demand, the position of flexible mobile data acquisition device, compared to cable network
Speech, greatly reduces monitoring cost.
It should be noted that wireless bridge is during carrying out data transmission, the barriers such as trees, high building can all weaken,
Stop wireless signal, for the performance for improving wireless transmission, anti-stop signal is impaired and the weaker situation of signal occurs, and wireless bridge exists
It should make there is no barrier barrier in the transmission route between transmitting terminal and the wireless bridge of receiving end when installation as far as possible, meet both ends
Visual transmission conditions.Therefore as shown in Fig. 2, when setting up wireless bridge, increase by first using support 108 and bracket 107
First wireless bridge is fixed on bracket 107 by the mounting height of wireless bridge, makes the second wireless bridge (receiving end) and first
Clear is blocked between wireless bridge 103 (transmitting terminal).In practical application can also according to the size of shelter, again adjustment or
Increase the placement height of the first wireless bridge and/or the second wireless bridge, to eliminate the influence of shelter.
Optionally, it is the adjusting convenient for carrying out mounting height to the first wireless bridge, makes it higher than the enough height of barrier
Degree is to keep the sight line path between the second wireless bridge, so that it is guaranteed that the normal work of communication link, above-mentioned bracket can be
Telescoping shoring column, for example, the bracket includes first connecting rod and the second connecting rod, one end of first connecting rod is fixed on support
On, the other end of first connecting rod is equipped with the first limiting section, and the second connecting rod is equipped with and first close to one end of first connecting rod
Corresponding second limiting section of limiting section.
A kind of embodiment is that the second connecting rod is accommodated into first connecting rod completely, and the first wireless bridge setting at this time exists
On first connecting rod, when the signal between barrier occur and blocking wireless bridge transmits, the second connecting rod can be connected from first
It is stretched out in bar, when extending out to predeterminated position, due to the interaction between limiting section, so that the second connecting rod be connect with first
Bar is fixed to each other, at this point, can remove the first wireless bridge from first connecting rod, and is disposed at the upper of the second connecting rod
End, and then increase the height of the first wireless bridge.Another embodiment is that the second connecting rod is simultaneously non-fully received to the first company
In extension bar, the end part body of rod is exposed on outer thereon, therefore, the first wireless bridge be arranged on the second connecting rod be exposed to it is outer
Upper part, when the second connecting rod remainder is stretched out from first connecting rod, the placement height of the first wireless bridge also will
Increase therewith, until the limiting section effect of connecting rod is fixed the length of bracket.Above-mentioned first limiting section can be limit hole, the
Two limiting sections can be and the matched limited block of the limit hole.
Optionally, the second connecting rod is during stretching, can be screw thread by being matched with first connecting rod from
It is screwed out in first connecting rod.
Optionally, the adjusting of stent length can be also realized between two connecting rods by folding mode.
Data acquisition device, due to nearby not having high-lager building to protect, then needs to examine during installation when field is installed
Consider damage of the lightning protection measures to avoid bad weathers such as thunders and lightnings to equipment, such as installation lightning rod.Since lightning rod is by thunder
It can discharge on grounded circuit when hitting, therefore lightning rod is dielectrically separated from data acquisition device needs, otherwise will be played opposite
Effect.Therefore, it should be noted when installing lightning rod and separate lightning rod ground connection and the equipment ground of data acquisition device, the two
Ground connection cannot share.
Optionally, since vortex correlation system prolonged placement is in field, and the sensor in the acquisition equipment of front end is very
Precision, therefore photoisolator 109 can be concatenated in data acquisition device to further ensure that peace of the equipment under thunderstorm weather
Entirely.Photoisolator herein by the conversion of electrical-optical-electrical, completes isolation function using the link of intermediate " light " as its name suggests
Can, make to output and input electrically completely isolated.In connection, one end of photoisolator 109 is connected using cable 105
On the network interface end of serial server, the other end of photoisolator 109 connects also by cable 105 and the first wireless bridge 103
It connects, so that it is completely insulated between the first wireless bridge and serial server, and the data in serial server are passing through Phototube Coupling
The first wireless bridge is reached after device, when encountering heavy current or thunder and lightning, photoisolator disconnects automatically, is isolated, and effectively prevent thunder
Electricity damages vortex correlation system master and serial server.
Second embodiment
The present embodiment provides a kind of evapotranspiration monitoring system, it can be achieved that between earth's surface and atmosphere water-vapor exchange it is online in real time
Monitoring, refering to Fig. 3, which includes: monitoring center 20, data acquisition device 10 provided by first embodiment, wherein monitoring
Center 20 includes the second wireless bridge 201 and the monitor terminal 202 connecting with the second wireless bridge, wherein data acquisition dress
The quantity for setting 10 can be one or more, monitoring center 20 can multiple data acquisition devices 10 of online monitoring and management simultaneously number
According to reception and Automatic analysis, when transmitting data to monitor terminal there is only a data acquisition device, monitor terminal can
It is connected directly between on the second wireless bridge by cable.Monitor terminal 202 may include computer, management platform, server etc., with
Under between the computer in a certain data acquisition device and monitoring center data acquisition, transmission, treatment process is described.
It should be noted that before the transmission for carrying out data, need to equipment to data acquisition device and monitoring center into
Row communication and data processing configuration.
The IP of the first wireless bridge 103, the second wireless bridge 201, serial server 102 and computer is arranged in the first step
Address is in same network segment；If the IP address of preset IP address and other equipment is not at same network segment on wireless bridge,
So computer is connect with wireless bridge using cable, by access the management address of wireless bridge to the IP of wireless bridge into
Row modification.Since in subsequent data transmission, the second wireless bridge needs work in ap mode, the first wireless bridge needs work to exist
Sta mode need to accordingly set the operating mode of wireless bridge when carrying out IP modification on above-mentioned management address.It is configuring
It, can be on computers using test instruction (such as PING order) in 20 sum number of local detection monitoring center after the IP address of each equipment
According to the IP communication condition of acquisition device 10, and ensure that local net network communication is normal.
Second step carries out the configuration of serial server.The IP address according to set by serial server on computers is right
Virtual com port number is arranged in the serial server answered, when there are multiple data acquisition devices, set by each serial server
Com port number be all different, also, each serial server be configured with the same network segment of local area network different IP address and end
Slogan to distinguish, and then can accurately find the serial ports to be configured clothes according to different IP address and port numbers on computers
Business device.After configuration is complete, on computers by debugging software (such as NPort groupware), the networking of debugging serial server is just
Often.
The running parameter of data processing is arranged in third step.Log-on data processing software on computers, in setting circle of software
Face setting carries out the running parameter of calculation processing to data, such as selectes the corresponding com port number of a certain serial server, vorticity
Height above sea level locating for the type and model (such as three-D ultrasonic anemobiagraph model) of related system front-end collection equipment, vortex correlation system
Highly, device height, vegetation height, output data unit, numerical nomenclature format etc., the running parameter set is protected
It deposits.
After configuration is complete, the processing and calculating of log-on data starts downloading data and calculates in real time, monitors water vapor flux
Data.
In data transmission, collected initial data is sent to string according to the frequency of setting by vortex correlation system in real time
Received initial data is converted to network data by serial server, and passes through wireless bridge for network data by mouth server
It is sent on monitor terminal, and then the network packet received is reduced into serial data and carried out at subsequent calculating by monitor terminal
Reason realizes monitoring center to the real-time monitoring of the acquired data of distal end vortex correlation system.
It is numbered since computer has selected com port corresponding to serial server in data processing software, when this serial ports takes
Vortex correlation system acquisition corresponding to device of being engaged in arrives data, it will is sent to computer by serial server and wireless bridge in real time
End, then the data processing software on computer can carry out the real-time processing of data, calculate.It should be noted that the present embodiment
In the above process, if being not equipped with the configuration error of serial server or serial server on data acquisition device,
When running parameter is arranged in data processing software, the com port number of corresponding serial server can not be selected, so that data just can not
In normal transmission to computer.
The present embodiment above scheme, compared to traditional monitoring means, data transmit more convenient stabilization, can be realized to institute
Acquisition-transmission-processing-calculating overall process real time on-line monitoring of monitoring data, real-time is stronger, also, in a monitoring
The data of multiple data acquisition devices can be monitored simultaneously, be calculated to the heart on-line, improve the efficiency of data processing and calculating.
Due to the design characteristics of partial data processing software in actual conditions, an only mountable number on a monitoring computer
According to processing software, each data processing software can select the corresponding com port number of a serial server, therefore, every computer
On be only capable of real-time reception, the data that transmit of one data acquisition device of processing, to realize to each region in current underlying surface
Data be monitored, in one embodiment, can be received respectively by more monitor terminals and processing is placed in different zones
Data acquisition device data, and number is calculated by the turbulent flux that another monitor terminal exports the above more monitor terminals
According to progress Macro or mass analysis.There are when multiple monitor terminals in monitoring center, each monitor terminal 202 can be connected by cable 203
It connects on interchanger 204, to be linked into the second wireless bridge 201.
In acquisition-transmission-treatment process of entire data, the front-end collection equipment in vortex correlation system generates related
Data are acquired, the collected turbulent flux initial data of institute is sent to corresponding prison after being converted by serial server in real time
Control computer；Monitoring computer carries out reception, processing and the display of data by data processing software, when specified serial server institute
After corresponding data reach computer, first initial data can be located in advance according to the data entry requirement of data processing software
Reason, then subsequent calculating is carried out for pretreated data.
Identical with data acquisition device to be, it is high that the second wireless bridge 201 can also carry out installation by support and bracket
The adjusting of degree can be by bracket, support and the second wireless network being set on bracket for the influence for reducing ambient enviroment barrier
Bridge is fixed at the top of the house of monitoring center, also, when installing the second wireless bridge, its mounting height should be turned up as far as possible,
Make to block in the transmission path between its multiple wireless bridge (transmitting terminal) with surrounding without barrier.Herein bracket can be used with
Identical bracket in first embodiment.
Optionally, when there are multiple data acquisition devices, the wireless bridge of receiving end and the wireless bridge shape of transmitting terminal
At the networking mode of point-to-multipoint, realizes and receive and monitor while initial data in multiple vortex correlation systems, work as work
Personnel to monitor terminal calculate obtain output data analyze and check when, if discovery there are a certain vortex correlation system because
There is shortage of data or exception in external force or plant issue, then the available data dependence with other data acquisition devices, right
The data of missing or exception carry out interpolation, and maximum possible guarantees the authenticity and validity of output data.For example, passing through analysis two
Group data pass through linear regression scheduling algorithm on the basis of the two meets linear correlation in the correlation of the data of same time
It determines the interpolation value to missing data, and new data is inserted into original missing data.
After the transmission and processing of complete paired data, monitor terminal exports corresponding turbulent flux and calculates data.Vorticity phase
Relationship system turbulent flux initial data collected includes horizontal wind speed, vertical velocity, ultrasonic virtual temperature data, the velocity of sound and steam
Concentration and CO2 concentration etc., and after being uploaded to monitor terminal, the data exported after data processing software calculation processing are more, main
It to include sensible heat flux, latent heat flux, water vapor flux, CO2 flux, ripple ratio, relative humidity, atmospheric pressure, atmospheric density etc.,
To which staff can analyze according to the data of output, the ecological condition of underlying surface herein is further studied.
3rd embodiment
The present embodiment provides a kind of evapotranspiration monitoring methods, are realized based on the monitoring system in second embodiment to evapotranspiration
The real-time monitoring of process.Refering to Fig. 4, this method comprises:
Step 301: the turbulent flux initial data between vortex correlation system acquisition atmosphere and underlying surface, and taken using serial ports
The turbulent flux initial data is sent to the monitor terminal in monitoring center by business device by wireless network.
Monitor terminal has preselected the number of com port corresponding to serial server, corresponding to this serial server
After vortex correlation system acquisition to turbulent flux initial data, serial data can be converted into network number by serial server
According to, and then using wireless network transmissions to monitor terminal, realize that the data between monitor terminal and vortex correlation system are transmitted.
Step 302: monitor terminal receives turbulent flux initial data, and according to preset running parameter, using pre-
If processing model calculates turbulent flux initial data, obtains turbulent flux and calculate data.
Preset running parameter includes the type and model (such as three-D ultrasonic of vortex correlation system front end acquisition equipment
Anemobiagraph model), height above sea level, device height, vegetation height locating for vortex correlation system etc..
It is to be understood that current three-D ultrasonic anemobiagraph huge number alternative on the market, the biography of different vendor
Difference in sensor structure is slightly different the disturbance of environmental flow, and there is also certain difference for measured data, but study
It was found that data are still substantially at unanimously after the amendment of processing model, therefore when setting running parameter, set parameter is needed
Model including three-D ultrasonic anemobiagraph is modified data to handle model and corresponding correction algorithm may be selected.And gas
Body analyzer also includes open type and closed type two types, and different types of gas analyzer data collected are former in processing
There is also certain differences in reason, therefore the model of used gas analyzer can also be set when setting running parameter,
Convenient for selecting corresponding data processing algorithm, but since the gas analyzer that the country more often applies is open type, compared with multiprocessing mould
Type is usually defaulted using open type Processing Algorithm, therefore when selecting gas analyzer, Open path gas analyzer can be used, make
Obtain the most of processing model being applicable to when follow-up data processing on the market.The above correction algorithm handles model and to string
Selected can be of mouth server com port number is embodied and is used in the form of processing software.
Step 303: monitor terminal exports or saves turbulent flux every preset time and calculates data.
In above scheme, vortex correlation system utilizes the characteristic of serial server, realizes from serial data to network data
Conversion, and then can be by Wireless LAN by real-time data transmission to monitor terminal；Monitor terminal is according to set
Running parameter calculates initial data, to can get the data such as the water vapor flux between atmosphere and underlying surface, realizes to steaming
The real-time monitoring distributed.
Before step 301, namely before carrying out data transmission, it need to ensure the communication between monitor terminal and serial server
Normally, otherwise data will be unable in normal transmission to monitor terminal, thus monitor terminal can using test instruction (such as PING order
Enable) detection and the IP communication condition of serial server.
It should be noted that multiple embodiments of the application are all based on same inventive concept, in description only retrace
State the part of present example, same and similar part cross-reference between each embodiment.
In several embodiments provided herein, it should be understood that disclosed device and method can also pass through
Other modes are realized.The apparatus embodiments described above are merely exemplary, for example, flow chart and block diagram in attached drawing
Show the device of multiple embodiments according to the application, the architectural framework in the cards of method and computer program product,
Function and operation.In this regard, each box in flowchart or block diagram can represent the one of a module, section or code
Part, a part of the module, section or code, which includes that one or more is for implementing the specified logical function, to be held
Row instruction.It should also be noted that function marked in the box can also be to be different from some implementations as replacement
The sequence marked in attached drawing occurs.For example, two continuous boxes can actually be basically executed in parallel, they are sometimes
It can execute in the opposite order, this depends on the function involved.It is also noted that every in block diagram and or flow chart
The combination of box in a box and block diagram and or flow chart can use the dedicated base for executing defined function or movement
It realizes, or can realize using a combination of dedicated hardware and computer instructions in the system of hardware.
In addition, each functional module in each embodiment of the application can integrate one independent portion of formation together
Point, it is also possible to modules individualism, an independent part can also be integrated to form with two or more modules.
It, can be with if the function is realized and when sold or used as an independent product in the form of software function module
It is stored in a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) execute each embodiment the method for the application all or part of the steps.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.
The above description is only an example of the present application, the protection scope being not intended to limit this application, for ability
For the technical staff in domain, various changes and changes are possible in this application.Within the spirit and principles of this application, made
Any modification, equivalent substitution, improvement and etc. should be included within the scope of protection of this application.It should also be noted that similar label and
Letter indicates similar terms in following attached drawing, therefore, once it is defined in a certain Xiang Yi attached drawing, then in subsequent attached drawing
In do not need that it is further defined and explained.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain
Lid is within the scope of protection of this application.Therefore, the protection scope of the application should be subject to the protection scope in claims.
Claims (10)
1. a kind of data acquisition device characterized by comprising vortex correlation system, serial server and the first wireless network
Bridge, the vortex correlation system are connected to the serial ports end of the serial server, and first wireless bridge is connected to the string
Second wireless bridge of the network interface end of mouth server, first wireless bridge and monitoring center is wirelessly connected；The vorticity phase
Relationship system is used to pass through described first for acquiring the turbulent flux initial data between atmosphere and underlying surface, the serial server
Wireless bridge is by the turbulent flux original data transmissions to monitoring center.
2. the apparatus according to claim 1, which is characterized in that described device further includes support and bracket, the bracket
Including first connecting rod and the second connecting rod, second connecting rod can be accommodated into the first connecting rod；Described first
One end of connecting rod is fixed on the support, and the first connecting rod is equipped with the first limiting section far from one end of the support,
Second connecting rod is equipped with the second limiting section corresponding with first limiting section close to one end of the first connecting rod,
Length for the bracket fixed when second connecting rod extend out to predeterminated position；
The first wireless bridge setting is on the bracket.
3. the apparatus of claim 2, which is characterized in that first limiting section is limit hole, second limit
Portion is limited block, second connecting rod when extending out to predeterminated position the limited block be fixed in the limit hole.
4. device according to claim 1-3, which is characterized in that described device further includes photoisolator, institute
Photoisolator is stated to be arranged between first wireless bridge and the serial server.
5. the apparatus according to claim 1, which is characterized in that the vortex correlation system include three-D ultrasonic anemobiagraph,
Gas analyzer and processing unit, the three-D ultrasonic anemobiagraph, the gas analyzer are connect with the processing unit,
The processing unit is connected to the serial ports end of the serial server；The gas analyzer is Open path gas analyzer.
6. a kind of evapotranspiration monitoring system, which is characterized in that including monitoring center and as described in any one in claim 1-5
Data acquisition device, the monitoring center include that the second wireless bridge and the monitoring connecting with second wireless bridge are whole
End, the monitor terminal receive by the second wireless bridge and handle vortex correlation system in the data acquisition device and acquired
Turbulent flux initial data.
7. monitoring system according to claim 6, which is characterized in that the serial server in data acquisition device and first
The IP address of the monitor terminal and the second wireless bridge of wireless bridge and monitoring center is configured in same network segment.
8. monitoring system according to claim 6, which is characterized in that when the monitor terminal is multiple, the monitoring
Center further includes interchanger, and the interchanger connect with second wireless bridge and connects respectively with each monitor terminal
It connects.
9. a kind of evapotranspiration monitoring method, which is characterized in that it is applied to such as described in any item monitoring systems of claim 6-8,
The monitoring system includes data acquisition device and monitoring center, and the data acquisition device includes vortex correlation system, string
Mouth server, which comprises
Turbulent flux initial data between vortex correlation system acquisition atmosphere and underlying surface, and utilize serial server by the rapids
Circulation initial data is sent to the monitor terminal in monitoring center by wireless network；
Monitor terminal receives the turbulent flux initial data, and according to preset running parameter, utilizes default processing mould
Type calculates the turbulent flux initial data, obtains turbulent flux and calculates data；
The monitor terminal exports or saves the turbulent flux every preset time and calculates data.
10. according to the method described in claim 9, it is characterized in that, utilizing serial server described in vortex correlation system
Before turbulent flux initial data is sent to the monitor terminal in monitoring center by wireless network, the method also includes:
The monitor terminal is normal using the communication described in test confirmation command between monitor terminal and the serial server.
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| CN201910173629.9A CN109862110A (en) | 2019-03-07 | 2019-03-07 | A kind of data acquisition device, evapotranspiration monitoring system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910173629.9A CN109862110A (en) | 2019-03-07 | 2019-03-07 | A kind of data acquisition device, evapotranspiration monitoring system and method |
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