CN109632575B - A kind of device and its monitoring method monitoring Riparian Zone undercurrent exchange rate - Google Patents
A kind of device and its monitoring method monitoring Riparian Zone undercurrent exchange rate Download PDFInfo
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- CN109632575B CN109632575B CN201811296887.8A CN201811296887A CN109632575B CN 109632575 B CN109632575 B CN 109632575B CN 201811296887 A CN201811296887 A CN 201811296887A CN 109632575 B CN109632575 B CN 109632575B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
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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
Abstract
The invention discloses a kind of devices for monitoring Riparian Zone undercurrent exchange rate, it include PPR pipe monitoring well, multiple exchange holes are uniformly provided on PPR pipe monitoring well side wall, PPR pipe monitoring well top is fixedly connected with data collector device, lower end cylindrical tube is fixedly connected with below data collector device, the outer wall lower end of lower end cylindrical tube is provided with pressure sensor, lower end cylindrical tube outer wall, which is located above pressure sensor, is also evenly arranged with multiple temperature sensors, and pressure sensor passes through data line with temperature sensor respectively and connects data collector device.A kind of device of monitoring Riparian Zone undercurrent exchange rate of the invention distinguishes testing temperature and water level using temperature sensor and pressure sensor, the real-time monitoring of water level, water temperature can be realized by intelligent data acquisition unit, subtracts the trouble of on-site collection data.The invention also discloses the monitoring methods that Riparian Zone undercurrent exchange rate is carried out using above-mentioned apparatus.
Description
Technical field
The invention belongs to hydraulic engineering monitoring device technical fields, are related to a kind of dress for monitoring Riparian Zone undercurrent exchange rate
It sets, the invention further relates to the monitoring methods that Riparian Zone undercurrent exchange rate is carried out using above-mentioned apparatus.
Background technique
Transitional region of the Riparian Zone as hydrophytic habitat and terrestrial habitat, have unique vegetation, geology, topography and geomorphology and
Water regime, and influenced by surface water and groundwater SEA LEVEL VARIATION.Surface water is occurred by Riparian Zone sedimentary and underground water
The region of hydrothermal exchange is known as Riparian Zone undercurrent layer.Intuitive carrier of the temperature as energy, is to be able to reflect undercurrent exchange process
The characterization factor of change in time and space, is easy to observe, is pollution-free, has certain advantage as natural food essence agent.Thus, observe river
The spatial and temporal distributions in bank temperature field, these differences can calculate Riparian Zone as the activity characterization of ground Riparian Zone undercurrent exchange
Undercurrent exchange rate.
In recent years, the project and research hotspot that domestic and foreign scholars exchange undercurrent gradually extend to Riparian Zone undercurrent
Layer, as temperature field is goed deep into what flow field coupling mechanism was studied, to Riparian Zone undercurrent exchange flow velocity and water calculating from
Traditional hydrology and hydrodynamics method develops to temperature tracer method.But the country to temperature tracer in Riparian Zone undercurrent layer
In research using still at an early stage, related research result is still less, without more specific monitoring Riparian Zone undercurrent
The device of rate.
Summary of the invention
The object of the present invention is to provide a kind of devices for monitoring Riparian Zone undercurrent exchange rate, using temperature sensor measurement
The temperature of different location, pressure sensor survey water level, the real-time monitoring of water level, water temperature can be realized by intelligent data acquisition unit,
Subtract the trouble of on-site collection data.
It is a further object of the present invention to provide the monitoring methods that Riparian Zone undercurrent exchange rate is carried out using above-mentioned apparatus.
The technical scheme adopted by the invention is that a kind of device for monitoring Riparian Zone undercurrent exchange rate, includes PPR pipe
Monitoring well, PPR pipe monitoring well bottom end are provided with the bottom circular cone being connected to one with PPR pipe monitoring well, PPR pipe monitoring well
Multiple exchange holes for being located at a column are uniformly provided on side wall, PPR pipe monitoring well top is fixedly connected with data collector device,
It is also fixedly connected with the lower end cylindrical tube in PPR pipe monitoring well below data collector device, lower end cylindrical tube
Outer wall lower end is provided with pressure sensor, on the cylindrical tube outer wall of lower end and be located above pressure sensor be also evenly arranged with it is more
A temperature sensor, pressure sensor and temperature sensor pass through data line respectively and connect data collector device.
The first of the invention technical solution is further characterized in that,
The data line of pressure sensor and temperature sensor and data collector device is wrapped in inside the cylindrical tube of lower end.
Data collector device includes the top cylindrical shell that PPR pipe monitoring well top is arranged in, lower end cylindrical tube
Be fixed on top cylindrical housing bottom, be provided in top cylindrical shell the intelligent data acquisition unit being sequentially connected by wire,
Remote control receiver switch and battery are provided with waterproof charging jacks on the side wall of top cylindrical shell, and waterproof charging jacks pass through
Conducting wire connects battery, is plugged with solar panel on waterproof charging jacks.
Cylindrical box is provided in top cylindrical shell, intelligent data acquisition unit, remote control receiver switch and battery are respectively provided with
Inside cylindrical box.
Intelligent data acquisition unit includes memory card and the wireless communication module that is connect with memory card by conducting wire, wirelessly
Communication module is connected with cloud server by way of wireless connection, and cloud server is connected with by way of wireless connection
User terminal.
PPR pipe monitoring well top is fixedly installed connector, and lower end cylindrical tube is fixed on connector bottom, top circle
Column shell is fixed at the top of connector.
It further include the remote control transmitter with remote control receiver switch by being wirelessly connected.
Another technical solution of the present invention is, a method of monitoring Riparian Zone undercurrent exchange rate uses
A kind of above-mentioned device for monitoring Riparian Zone undercurrent exchange rate, is specifically implemented according to the following steps:
Step 1, in selected riverbank section according to a kind of monitoring depth of device for monitoring Riparian Zone undercurrent exchange rate
And the diameter of PPR pipe monitoring well beats monitoring holes；
Step 2, a kind of device monitoring Riparian Zone undercurrent exchange rate is buried in monitoring holes；
Step 3, it is received and is switched by remote control transmitter opening remote control, single unit system, which is powered, starts to work, and user passes through use
Family terminal uses internet login service device, remote download hydraulic pressure force data and water temperature data；
Step 4, the undercurrent exchange rate for calculating Riparian Zone with VFLUX and MATLAB according to the water temperature data of downloading, according to
Hydraulic pressure force data calculates waterlevel data, judges that the exchange of Riparian Zone undercurrent is saturated zone or unsaturation band according to waterlevel data.
Second of technical solution of the invention be further characterized in that,
Step 1 specifically: select suitable section on riverbank first, then selected in selected riverbank section and need to monitor
Location point, and determine its elevation with level, beat monitoring holes vertically further according to the elevation of selected location point；
Step 2 specifically: a kind of device for monitoring Riparian Zone undercurrent exchange rate is put into filter screen set, then by strainer
Set top is fixed by thin wire, and the device for being then loaded into a kind of monitoring Riparian Zone undercurrent exchange rate of filter screen set is put into prison
Gaging hole, holding meanss are vertical, then the gap between device and monitoring holes is tamped with fine sand.
Step 3 specifically: after placing a device into monitoring holes, underground water slowly enters to be seeped into PPR pipe monitoring well through exchange hole,
Then switch is received by remote control transmitter opening remote control, single unit system, which is powered, starts to work, and battery starts as intelligent data
Collector, temperature sensor and pressure sensor power supply；Temperature sensor and pressure sensor start recording Groundwater is mild
SEA LEVEL VARIATION, the memory card storage temperature then by real-time data transmission to intelligent data acquisition unit, in intelligent data acquisition unit
The data of sensor and pressure sensor record simultaneously pass to wireless communication module, and then wireless communication module passes through GPS network network
It is upload the data to cloud server, after a period of work to device, user logs in clothes using internet by user terminal
Business device, remote download hydraulic pressure force data and water temperature data；
Step 4 specifically: user, into software MATLAB, returns monitoring temperature data by installation VFLUX program
One changes, and imported into VFLUX program, runs VFLUX format, to create the data structure formatted, runs VFLUX,
Solve Riparian Zone undercurrent exchange rate；
According to pressure sensor record be PPR pipe monitoring well hydraulic pressure force data, calculated by liquid pressure formula
Water level out, water level is the above are unsaturation band, and the following are saturated zones.
The beneficial effects of the present invention are: the present invention uses the temperature of temperature sensor measurement different location, pressure sensor
Water level is surveyed, the real-time monitoring of water level, water temperature can be realized by intelligent data acquisition unit, subtracts the trouble of on-site collection data, root
According to the data that temperature and pressure sensor records, Riparian Zone undercurrent exchange rate is calculated with VFLUX and MATLAB, solves tradition
Method needs the disadvantage that data parameter needed for numerical simulation is more, the cost time is long.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for the device for monitoring Riparian Zone undercurrent exchange rate of the present invention；
Fig. 2 is the structural schematic diagram of PPR pipe monitoring well in a kind of device for monitoring Riparian Zone undercurrent exchange rate of the present invention；
Fig. 3 is that pressure sensor and temperature sensor exist in a kind of device for monitoring Riparian Zone undercurrent exchange rate of the present invention
Distribution map on the cylindrical tube of lower end；
Fig. 4 be in a kind of device for monitoring Riparian Zone undercurrent exchange rate of the present invention pressure sensor and temperature sensor with
The annexation figure of intelligent data acquisition unit；
Fig. 5 is the structural representation of top cylindrical shell in a kind of device for monitoring Riparian Zone undercurrent exchange rate of the present invention
Figure；
Fig. 6 is that the internal part of top cylindrical shell in a kind of device for monitoring Riparian Zone undercurrent exchange rate of the present invention connects
Map interlinking；
Fig. 7 is the inside connection of intelligent data acquisition unit in a kind of device for monitoring Riparian Zone undercurrent exchange rate of the present invention
Figure；
Fig. 8 is Riparian Zone temperature monitoring model schematic；
Fig. 9 is observed temperature timing sequence process result figure；
Figure 10 is the time series chart of Captain ARSPEC function autoregressive spectrum frequency domain；
Figure 11 is practical and fitting spectrogram；
Figure 12 is measuring point temperature sequence data DHR Filtering Analysis result figure；
Figure 13 is temperature and time for the relationship of initial data and filter data excessively and the relationship of amplitude and phase and time
Figure；
Figure 14 is Riparian Zone undercurrent exchange rate figure calculated by 4 kinds of analytic modell analytical models in VFLUX.
In figure, 1.PPR pipe monitoring well, 2. bottom circular cones, 3. exchange holes, 4. lower end cylindrical tubes, 5. pressure sensors, 6.
Temperature sensor, 7. top cylindrical shells, 8. intelligent data acquisition units, 9. remote control receiver switchs, 10. batteries, 11. waterproofs are filled
Electric jack, 12. solar panels, 13. cylindrical box, 14. memory cards, 15. wireless communication modules, 16. cloud servers, 17.
User terminal, 18. connectors, 19. remote control transmitters.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
A kind of device for monitoring Riparian Zone undercurrent exchange rate of the present invention, structure is as Figure 1-Figure 2, includes PPR
Pipe monitoring well 1,1 bottom end of PPR pipe monitoring well are provided with the bottom circular cone 2 being connected to one with PPR pipe monitoring well 1, PPR pipe
Multiple exchange holes 3 for being located at a column are uniformly provided on 1 side wall of monitoring well, 1 top of PPR pipe monitoring well is fixedly connected with data and adopts
Storage device, data collector device lower section are also fixedly connected with the lower end cylindrical tube 4 in PPR pipe monitoring well 1, lower end
The outer wall lower end of cylindrical tube 4 is provided with pressure sensor 5, on 4 outer wall of lower end cylindrical tube and is located at 5 top of pressure sensor
Multiple temperature sensors 6 are also evenly arranged with, pressure sensor 5 connects data by data line respectively with temperature sensor 6 and adopts
Storage device.
The data line of pressure sensor 5 and temperature sensor 6 and data collector device is wrapped in lower end cylindrical tube 4
Portion.
Data collector device includes the top cylindrical shell 7 that 1 top of PPR pipe monitoring well is arranged in, lower end cylindrical tube
Body 4 is fixed on 7 bottom of top cylindrical shell, is provided with the intelligent data being sequentially connected by wire in top cylindrical shell 7 and adopts
Storage 8, remote control receiver switch 9 and battery 10 are provided with waterproof charging jacks 11, waterproof on the side wall of top cylindrical shell 7
Charging jacks 11 connect battery 10 by conducting wire, are plugged with solar panel 12 on waterproof charging jacks 11.
Cylindrical box 13, intelligent data acquisition unit 8, remote control receiver switch 9 and battery 10 are provided in top cylindrical shell 7
It is all set in inside cylindrical box 13.
Intelligent data acquisition unit 8 includes memory card 14 and the wireless communication module that is connect with memory card 14 by conducting wire
15, wireless communication module 15 is connected with cloud server 16 by way of wireless connection, and cloud server 16 is by wirelessly connecting
The mode connect is connected with user terminal 17.
1 top of PPR pipe monitoring well is fixedly installed connector 18, and lower end cylindrical tube 4 is fixed on 18 bottom of connector,
Top cylindrical shell 7 is fixed on 18 top of connector.
It further include the remote control transmitter 19 with remote control receiver switch 9 by being wirelessly connected.
A kind of method for monitoring Riparian Zone undercurrent exchange rate of the present invention, using a kind of above-mentioned monitoring Riparian Zone undercurrent exchange
The device of rate, is specifically implemented according to the following steps:
Step 1, in selected riverbank section according to a kind of monitoring depth of device for monitoring Riparian Zone undercurrent exchange rate
And the diameter of PPR pipe monitoring well 1 beats monitoring holes；Specifically: suitable section is selected on riverbank first, then in selected river
The selected location point for needing to monitor of bank section, and its elevation is determined with level, it is vertical further according to the elevation of selected location point
Beat monitoring holes；
Step 2, a kind of device monitoring Riparian Zone undercurrent exchange rate is buried in monitoring holes；Specifically: by a kind of prison
The device for surveying Riparian Zone undercurrent exchange rate is put into filter screen set, then will be fixed at the top of filter screen set by thin wire, then will
The device for being packed into a kind of monitoring Riparian Zone undercurrent exchange rate of filter screen set is put into monitoring holes, and holding meanss are vertical, then in device
It is tamped with fine sand in gap between monitoring holes；
Step 3, switch 9 is received by 19 opening remote control of remote control transmitter, single unit system, which is powered, starts to work, and user passes through
User terminal 17 uses internet login service device, remote download water level and water temperature data；Specifically: place a device into monitoring holes
Afterwards, underground water slowly enters to be seeped into PPR pipe monitoring well 1 through exchange hole 3, is then opened by the reception of 19 opening remote control of remote control transmitter
9 are closed, single unit system, which is powered, starts to work, and battery 10 starts as intelligent data acquisition unit 8, temperature sensor 6 and pressure sensing
Device 5 is powered；Temperature sensor 6 and 5 start recording groundwater level of pressure sensor and water temperature variation, then pass data in real time
It is defeated by intelligent data acquisition unit 8, the 14 storage temperature sensor 6 of memory card and pressure sensor 5 in intelligent data acquisition unit 8 are remembered
The data of record simultaneously pass to wireless communication module 15, and then wireless communication module 15 upload the data to cloud by GPS network network
Server 16, after a period of work to device, user use internet login service device, remote download by user terminal 17
Hydraulic pressure force data and water temperature data；
Step 4, the undercurrent exchange rate of Riparian Zone is calculated with VFLUX and MATLAB according to downloading water temperature data；Specifically:
User is normalized monitoring temperature data into software MATLAB by installing VFLUX program, and imported into VFLUX journey
In sequence, VFLUX format is run, to create the data structure formatted, runs VFLUX, solves Riparian Zone undercurrent exchange speed
Rate；
According to downloading pressure sensor 5 record be PPR pipe monitoring well 1 hydraulic pressure force data, pass through liquid pressure formula
Water level is calculated, Riparian Zone undercurrent exchange saturated zone and unsaturation band are distinguished by water level, the above are unsaturation bands for water level, below
For saturated zone.
Temperature sensor of the invention is arranged every 50cm spacing, to monitor underground water water temperature, pressure sensor arrangement
In bottom end, to monitor level of ground water, temperature sensor and pressure sensor pass through data line and intelligent data acquisition unit respectively
Connection.
Memory card 14 built in intelligent data acquisition unit 8 storage temperature sensor 6 and pressure sensor 5 can record in real time
Water level and water temperature data, intelligent data acquisition unit 8 are provided with a windows mobile operating system, built-in radio communication mold
Block 15 can use GSM network for data and pass to cloud server 16, and in the place for having computer and internet, user passes through mutual
Networking game server, can be realized remote download data, realize the real-time monitoring of water level, water temperature.
Remote control transmitter encodes control electric signal, and then modulated electromagnetic wave, is converted into wireless signal and sends；Remote control
It receives switch: receiving the radio wave signal of carrying information, then amplify, decode, original control electric signal is obtained, by telecommunications
Number carry out power amplification again for driving device；
Embodiment:
A kind of device monitoring Riparian Zone undercurrent exchange rate, entire length can determine by testing program, the present embodiment with
For 2.4m；
Because device needs to be embedded in underground for a long time, therefore PPR pipe monitoring well 1 selects nontoxic, light, pressure-resistant, corrosion resistant PPR
Pipe is designed to smooth bottom circular cone 2 as monitoring well, long 224cm, internal diameter 7cm, outer diameter 8cm, 1 bottom of PPR pipe monitoring well, circle
Cone height 10cm beats the exchange hole 3 that diameter is 1cm every 15cm spacing on 1 side wall of PPR pipe monitoring well, to avoid exchange hole
Blocking, single unit system is put in the filter screen set of long 2.3m diameter 8cm, so that underground water can enter be seeped into PPR by exchange hole
In pipe monitoring well 1, realize that subsurface flow is unobstructed exchanges with the external world；
Cylindrical tube 4 diameter 2cm high 220cm cylindrical tube in lower end is to wrap up pressure sensor 5,6 and of temperature sensor
The data line that intelligent data acquisition unit 8 connects, and lower end cylindrical tube 4 is connected to 18 bottom side of connector, pressure sensor
5, temperature sensor 6 is arranged on 4 outer wall of lower end cylindrical tube with PPR pipe monitoring well 1 apart from the big other side, can be utmostly
Reduction PPR pipe monitoring well 1 size；Connector 18 is that outer dia is 7cm, is highly the cylindrical body of 4cm, top cylindrical shell
The outer dia of body 7 is 10cm, is highly 6cm；
Pressure sensor 5 be arranged in 4 lower end of lower end cylindrical tube away from its bottom 10cm at, by 230cm data line 1 will press
Force snesor 8 and intelligent data acquisition unit 8 connect；Temperature sensor arranges that lowermost end temperature sensor 6 is located at pressure every 50cm
Force snesor 5 up at 10cm, is connected by 220cm data line and intelligent data acquisition unit 8；Lowermost end temperature sensor 6 is again
Temperature sensor is up provided at 50cm, 100cm, 150cm, respectively by passing through 170cm data line, 120cm data line
It is connected with 70cm data line and intelligent data acquisition unit 8；
Lower end cylindrical tube 4 and cylindrical box 13 use ABS material sealing moulding, can be to data line and intelligent data
Collector 8, remote control receiver switch 9 and battery 10 carry out waterproof；
Using the size of the present embodiment, when carrying out the monitoring of Riparian Zone undercurrent exchange rate, then need to beat diameter 9cm depth
The monitoring holes of 2.2m, the depth of burying of device are 2.2m.
Heat balance process in PPR pipe between underground water and test point periphery permeability medium is by the thermally conductive situation of PPR pipe
With the Permeability of strainer, this of short duration thermal balance process has a certain impact to the test result of temperature sequence data,
PPR pipe interference will not have an impact to by amplitude ratio calculating groundwater velocity, and can give and calculate groundwater velocity by delayed phase
Bring error.
Temperature fluctuation diurnal periodicity amplitude is larger, uses temperature change diurnal periodicity to establish model for signal, according to temperature sensing
The temperature data of device record calculates the undercurrent exchange rate of Riparian Zone, and what it is according to pressure sensor record is PPR pipe monitoring well
Water level is calculated by liquid pressure formula in water pressure, distinguishes Riparian Zone undercurrent exchange saturated zone and unsaturation band by water level.
The saturated zone and unsaturation band of the exchange of Riparian Zone undercurrent are distinguished according to waterlevel data.It is counted using VFLUX and MATLAB
It calculates program and calculates Riparian Zone undercurrent exchange rate, specific example is as follows:
This calculation method is described in detail with reference to the accompanying drawings and detailed description
The characterisitic parameter of Practical Project Riparian Zone soil is taken, as shown in table 1, with the Riparian Zone based on temperature sequence data
Undercurrent exchange rate method for solving calculates 1.70m (superficial part) in Riparian Zone undercurrent layer in 4 days November 26 to 2012 years March in 2012
Flow velocity between the deep measuring point of 2.75m (deep), to guarantee that the result of numerical simulation can have directive significance to Practical Project,
Riverbank band model is as shown in Figure 8.
The characterisitic parameter of 1 Riparian Zone soil of table
Then step 4 specifically:
Step 4.1, VFLUX program, network address " http://hydrology.syr.edu/ are downloaded on website
vflux"；The tool box VFLUX file (" vflux ") is copied in the file in MATLAB searching route,
Such as: " My Documents MATLAB " in Windows environment.Alternatively, by being keyed at MATLAB command prompt
Addpath (' C: examplefolder vflux'), the position of vflux file can be added in searching route.Peace
MATLAB Signal Processing Toolbox is filled, and Captain Toolbox file (" captain ") is added
Into MATLAB searching route.
Step 4.2, it is following format " Year/Month/Day " by the time Series Processing of temperature sequence, and places it in EXCEL
In the first row of file, multi-step temperature sensor is measured into the timing temperature data of the measuring point of different depth position according to by shallow
To deep principle, EXCEL file secondary series, third column are placed sequentially in, and save as .xls format, shown in Fig. 9, fortune
Row MATLAB, clicks " importing data ", selects the EXCEL file handled well, and the type for defining the MATLAB variable to be imported is
Selected data is imported into the workspace MATLAB by " matrix ", to the data renamed as " aa " of the workspace MATLAB.
Step 4.3, MATLAB command bar input code " site12=vfluxformat (aa (:, 1), aa (:, 2:3),
[1.70 2.75]) ", key in enter key；Wherein " site12 " is the title of formatted data structure；" aa (:, 1) " it is when sampling
Between column；" aa (:, 2:3) " is the matrix of temperature sequence；" [1.70 2.75] " be the depth location of each sensor row to
Amount, as unit of rice, wherein each column indicates a sensor；
Step 4.4, after data structure creation, VFLUX is run with resampling to structure, inputs generation in MATLAB command bar
Code " site12=vflux (site12,0, [1 2], 1,0.41,0.01,0.000239,0.262,1) "；
Wherein: " 0 " is the positive integer factor for reducing sample rate, for example, if crude sampling rate is 72 samplings/day,
And desired reduction sample rate is 12 samplings/day, then rfactor=72/12=6.In order to eliminate false filtering distortion, it is proposed that every
A basic cycle reduces the sample rate (Pf seen below) of about 12 samplings.If rfactor=1 does not execute resampling.
If rfactor=0, VFLUX 2 will calculate a suitable rfactor, so that reduced sample rate is close to each base
This period 12 samplings (input as Pf)；
" [1 2] " are the scalar or vector of positive integer, wherein each element is slide sensor spacing." windows ",
As unit of sensor spacing, for identification the sensor in flow relocity calculation to).VFLUX will be calculated between all the sensors pair
Flow velocity, these are separated by quantity of " windows " sensor spacing.For example, if there is 5 sensors in configuration file,
And windows=1, then vflux will calculate the flow velocity between sensor 1 and 2,2,3 and 4 and 4 and 5 (" windows " is one
A sensor spacing).If windows=[1 2], VFLUX will calculate 1 He of the flow velocity between above-mentioned pair and sensor
Flow velocity between 3,2 and 4 and 3 and 5 (" windows " here is two spacing).By including 3 in windows vector,
Sensor will be also included to 1 and 4 and 2 and 5.If windows=4, flux can only be between sensor 1 and 5
It calculates；
" 1 " is the period of filtering and the cardinal temperature signal calculated for flux as unit of day；" 0.41 " deposit
Total porosity, the i.e. volume of interstitial space are divided by total volume (representative value 0.28)；" 0.01 " is thermal dispersion degree, unit m；
" 0.00239 " is the coefficient of heat conduction, and unit is cal/ (scm DEG C)；" 0.262 " is the volumetric heat capacity of deposit, and unit is
cal/(cm3·℃)；" 1 " is the volumetric heat capacity of water, and unit is cal/ (cm3 DEG C).
By MATLAB command cue, by any key, when execution, VFLUX will be raw for each set temperature (each sensor)
At three diagnostic graphs, can suspend after each set temperature.Firstly, the autoregressive spectrum of display Captain ARSPEC function,
Show the time series of frequency domain, as shown in Figure 10.
Occurred DHROPT (DHR optimization) function by any key by MATLAB command cue and attempted before simulating autoregressive spectrum
Several peaks, and show practical and fitting spectrogram, as shown in figure 11；By MATLAB command cue, by any key, VFLUX is shown
Filter result figure, shows actual time series data (" time series ") and by DHR, as shown in figure 12, the time sequence of mark
Column；
Input 1 starts to count postprogram, and confirms by "enter" key"；
After VFLUX completes flow relocity calculation, later period mapping program can be run, in VFLUX end of run, program inquiry is used
Whether drawing result is wanted in family.If selecting "No", VFLUX terminates.If selecting "Yes", program can displays temperature and time
Relational graph (for raw data set and filtering data set) and amplitude and phase and time relational graph, as shown in figure 13.
By MATLAB command cue, by Enter, riverbank calculated by 4 kinds of analytic modell analytical models predetermined in VFLUX is obtained
Band undercurrent exchange rate, as shown in figure 14.
Claims (4)
1. a kind of method for monitoring Riparian Zone undercurrent exchange rate, which is characterized in that using a kind of following monitoring Riparian Zone undercurrent
The device of exchange rate is monitored:
A kind of device monitoring Riparian Zone undercurrent exchange rate, includes PPR pipe monitoring well (1), the PPR pipe monitoring well (1)
Bottom end is provided with the bottom circular cone (2) being connected to one with PPR pipe monitoring well (1), PPR pipe monitoring well (1) side wall
On be uniformly provided with multiple exchange holes (3) for being located at a column, PPR pipe monitoring well (1) top is fixedly connected with data acquisition
Device device, the data collector device lower section are also fixedly connected with the lower end cylindrical tube in PPR pipe monitoring well (1)
(4), the outer wall lower end of the lower end cylindrical tube (4) is provided with pressure sensor (5), lower end cylindrical tube (4) outer wall
It above and above pressure sensor (5) is also evenly arranged with multiple temperature sensors (6), the pressure sensor (5) and temperature
Degree sensor (6) connects the data collector device, the pressure sensor (5) and temperature sensor by data line respectively
(6) it is internal that the lower end cylindrical tube (4) is wrapped in the data line of the data collector device；
The data collector device includes top cylindrical shell (7) of the setting on PPR pipe monitoring well (1) top, institute
It states lower end cylindrical tube (4) and is fixed on top cylindrical shell (7) bottom, be provided in the top cylindrical shell (7) and successively lead to
Cross intelligent data acquisition unit (8), remote control receiver switch (9) and the battery (10) of conducting wire connection, the top cylindrical shell (7)
Side wall on be provided with waterproof charging jacks (11), the waterproof charging jacks (11) pass through conducting wire connection battery (10), institute
It states and is plugged with solar panel (12) on waterproof charging jacks (11)；
The intelligent data acquisition unit (8) includes memory card (14) and the channel radio that is connect with memory card (14) by conducting wire
Believe module (15), the wireless communication module (15) is connected with cloud server (16), the cloud by way of wireless connection
End server (16) is connected with user terminal (17) by way of wireless connection；
It further include the remote control transmitter (19) with the remote control receiver switch (9) by being wirelessly connected；
Using a kind of above-mentioned device method for being monitored Riparian Zone undercurrent exchange rate for monitoring Riparian Zone undercurrent exchange rate,
It is specifically implemented according to the following steps:
Step 1, suitable section is selected on riverbank first, the location point then monitored in the selected needs of selected riverbank section,
And its elevation is determined with level, monitoring holes are beaten vertically further according to the elevation of selected location point；
Step 2, a kind of device monitoring Riparian Zone undercurrent exchange rate is put into filter screen set, then will be passed through at the top of filter screen set
Thin wire is fixed, and the device for being then loaded into a kind of monitoring Riparian Zone undercurrent exchange rate of filter screen set is put into monitoring holes, is kept
Device is vertical, then the gap between device and monitoring holes is tamped with fine sand；
Step 3, switch (9) is received by remote control transmitter (19) opening remote control, single unit system, which is powered, starts to work, and user passes through
User terminal (17) uses internet login service device, remote download hydraulic pressure force data and water temperature data；
Step 4, the undercurrent exchange rate for calculating Riparian Zone with VFLUX and MATLAB according to the water temperature data of downloading, according to hydraulic pressure
Force data calculates waterlevel data, judges that the exchange of Riparian Zone undercurrent is saturated zone or unsaturation band according to waterlevel data.
2. a kind of method for monitoring Riparian Zone undercurrent exchange rate according to claim 1, which is characterized in that the step
3 specifically: after placing a device into monitoring holes, underground water slowly enters to be seeped into PPR pipe monitoring well (1) through exchange hole (3), then leads to
It crosses remote control transmitter (19) opening remote control and receives switch (9), single unit system, which is powered, starts to work, and battery (10) starts as intelligence
Data collector (8), temperature sensor (6) and pressure sensor (5) power supply；Temperature sensor (6) and pressure sensor (5) are opened
Begin to record groundwater level and water temperature variation, then gives real-time data transmission to intelligent data acquisition unit (8), intelligent data acquisition
The data of memory card (14) storage temperature sensor (6) and pressure sensor (5) record in device (8) simultaneously pass to wireless communication
Module (15), then wireless communication module (15) upload the data to cloud server (16) by GPS network network, works to device
After a period of time, user uses internet login service device, remote download hydraulic pressure force data and water temperature by user terminal (17)
Data；
The step 4 specifically: user, into software MATLAB, returns monitoring temperature data by installation VFLUX program
One changes, and imported into VFLUX program, runs VFLUX format, to create the data structure formatted, runs VFLUX,
Solve Riparian Zone undercurrent exchange rate；
According to the hydraulic pressure force data of downloading, water level is calculated by liquid pressure formula, Riparian Zone undercurrent is distinguished by water level and is handed over
Saturated zone and unsaturation band are changed, water level is the above are unsaturation band, and the following are saturated zones.
3. a kind of method for monitoring Riparian Zone undercurrent exchange rate according to claim 1, which is characterized in that the top
It is provided with cylindrical box (13) in cylindrical shell (7), the intelligent data acquisition unit (8), remote control receiver switch (9) and battery
(10) it is internal to be all set in the cylindrical box (13).
4. a kind of method for monitoring Riparian Zone undercurrent exchange rate according to claim 1, which is characterized in that the PPR
Pipe monitoring well (1) top is fixedly installed connector (18), and the lower end cylindrical tube (4) is fixed on connector (18) bottom
Portion, the top cylindrical shell (7) are fixed at the top of connector (18).
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| CN112432885A (en) * | 2020-10-26 | 2021-03-02 | 西安理工大学 | Device for measuring seepage rate of saturated soil body and model selection method |
| CN113820097A (en) * | 2021-08-18 | 2021-12-21 | 西安理工大学 | Test device and test method for researching river bank zone undercurrent exchange |
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