CN108801839A - Large-scale lysimeter intelligent monitor system - Google Patents
Large-scale lysimeter intelligent monitor system Download PDFInfo
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- CN108801839A CN108801839A CN201810569399.3A CN201810569399A CN108801839A CN 108801839 A CN108801839 A CN 108801839A CN 201810569399 A CN201810569399 A CN 201810569399A CN 108801839 A CN108801839 A CN 108801839A
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- 239000002689 soil Substances 0.000 claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 238000012544 monitoring process Methods 0.000 claims abstract description 36
- 238000005303 weighing Methods 0.000 claims abstract description 27
- 239000000523 sample Substances 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 15
- 238000005259 measurement Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 14
- 238000010025 steaming Methods 0.000 claims description 13
- 238000012360 testing method Methods 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 claims description 3
- 238000012800 visualization Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000004891 communication Methods 0.000 abstract description 4
- 238000004458 analytical method Methods 0.000 abstract description 3
- 238000011160 research Methods 0.000 abstract description 3
- 238000007726 management method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 208000031648 Body Weight Changes Diseases 0.000 description 1
- JOJYUFGTMHSFEE-YONYXQDTSA-M Cytarabine ocfosphate Chemical compound [Na+].O[C@H]1[C@H](O)[C@@H](COP([O-])(=O)OCCCCCCCCCCCCCCCCCC)O[C@H]1N1C(=O)N=C(N)C=C1 JOJYUFGTMHSFEE-YONYXQDTSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 230000004579 body weight change Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- HPNSNYBUADCFDR-UHFFFAOYSA-N chromafenozide Chemical compound CC1=CC(C)=CC(C(=O)N(NC(=O)C=2C(=C3CCCOC3=CC=2)C)C(C)(C)C)=C1 HPNSNYBUADCFDR-UHFFFAOYSA-N 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
- G01N5/045—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder for determining moisture content
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention discloses a kind of Large-scale lysimeter intelligent monitor systems, earth pillar steams the side wall setting Sensor monitoring point for oozing case apparatus babinet, earth pillar steams the soil for oozing and being layered successively from top to bottom in case apparatus and being embedded with various heterogeneities, to soil situation under simulating natural environment；Supply and discharge water installations steam the bottom water supply and draining for oozing case apparatus to earth pillar, data acquisition device is popped one's head in by measurement soil water negative pressure meter, the TDR probes of measurement soil moisture content and measurement soil moisture PT100 temperature sensors are constituted, and is arranged in Sensor monitoring point；The data transmission of data acquisition device is measured to measuring device.This system combines network communication technology, image processing techniques, database technology and automatic control technology that can carry out data acquisition, display and storage automatic, online, in real time so that researcher can efficiently carry out data research and analysis on the basis of large weighing lysimeter equipment.
Description
Technical field
The invention belongs to field evapotranspiration equipment technical field more particularly to a kind of Large-scale lysimeter intelligent monitor systems.
Background technology
Lysimeter is a kind of device measuring water body conversion under the conditions of limiting three-dimensional boundaries, is the normal of measurement field evapotranspiration
With instrument and the indispensable facility of experimental irrigation station.It is mainly used to measure the total evapotranspiration of plant, leak rate, leakage and soil
Variation of water content etc. is in relation to each component in water balance system in earth.
Currently, lysimeter mainly has non-Weighing Lysimeter and Weighing Lysimeter etc..Non- Weighing Lysimeter installation letter
Single, low cost, but precision is low, resolution ratio is poor.Large weighing lysimeter is underground water-soil-vegetation-atmosphere Continuum
The important tests device of (Soil-Plant-Atmosphere Continuum, abbreviation SPAC system) Water Cycle research, and
Currently generally acknowledged can directly measure the resistance standard test device to evapotranspire, such as Yucheng experiment station of Chinese Scientists institute uses large size
Weighing Lysimeter.
Weighing Lysimeter is mainly by soil body container (steel cylinder), weighing system, supply and drain water system, data monitoring system group
At.Weighing system uses the displacement measurement method that principle is shouldered using flexible support bar, is 2m, soil body depth for main diameter
For the lysimeter for bearing 32.7-35.99 tons of weight for 5.0m, weighing system, weighing system sensibility reciprocal can be made to be less than 60g, phase
It is clipped in the middle part of steel wire rope and two by two blocks of square steel specifically, in weighing system when with the variable quantity that can measure the 0.02mm depth of waters
Block wedge and counter-jib (being equivalent to the chessboard bar for hanging chessboard) generate working condition.When counter-jib level, steel wire rope generates vertical dislocation
(on the basis of zero).When soil body weight changes (namely steaming the variation of precipitation), counter-jib swings up and down to form pivot angle
Variation, the variation of pivot angle is switched to by displacement of the lines by rigidity link mechanism, high-resolution displacement sensor is recycled to measure
Displacement variable and then the variation for obtaining soil body weight, to realize the purpose accurately measured.For the reality of simulated groundwater
State, lysimeter, which further includes water drainage-supply system, water drainage-supply system, to be by water feeding tank, discharge casing, supply and discharge water pipe, adjusts water feeding tank liter
The electromechanical assembly (including motor, gearbox, steel cable, guide rail) of drop is constituted.Each water tank weight is measured using weighing sensor, soil
The control of level of ground water is realized by the elevation for the water feeding tank being attached thereto in body container.
But current lysimeter system accuracy is low, costly, flexibility is poor.In addition to this, the universality used,
And and the combinations of many modernization measurement means also show slightly insufficient, be mainly multipad in software aspects, study people
Member needs to frequently enter test site gathered data and Operation switch when testing, typically by manually periodically being supervised to record
Measured data.In addition, software function is also not thorough enough, user cannot be according to plant growth situation or surrounding environment change control ground
Lower water water level and setting systematic parameter, software function are relatively single.
Invention content
The technical problem to be solved by the invention is to provide a kind of Large-scale lysimeter intelligent monitor systems, weigh in large size
Network communication technology, image processing techniques, database technology and automatic control technology energy are combined on the basis of formula lysimeter equipment
It is enough automatic, online, carry out in real time data acquisition, display and storage so as to researcher can efficiently carry out data research and
Analysis.
The technical solution adopted by the present invention to solve the technical problems is：A kind of Large-scale lysimeter intellectual monitoring system is provided
Case apparatus, supply and discharge water installations, weighing device, measuring device, data acquisition device are oozed in system, including earth pillar steaming；Box installed is oozed in earth pillar steaming
The side wall setting Sensor monitoring point of babinet is set, earth pillar steaming, which oozes to be layered successively from top to bottom in case apparatus, is embedded with various heterogeneities
Soil, to soil situation under simulating natural environment；Supply and discharge water installations steam the bottom water supply and draining for oozing case apparatus to earth pillar,
Data acquisition device is by measurement soil water negative pressure meter probe, the TDR probes of measurement soil moisture content and the measurement soil moisture
Temperature sensor constitute, be arranged in Sensor monitoring point；The data transmission of data acquisition device is surveyed to measuring device
Amount；Weighing device is used to measure the variation of lysimeter quality, the total moisture variable quantity of reflection soil.
According to the above technical scheme, earth pillar, which steams, oozes the babinet of case apparatus and uses space cube steel construction container, behind side
Sensor monitoring point is arranged in wall (from top to bottom successively in good orderly).The high 3m of steel construction container, area 2m × 2m, bottom surface is
The steel plate of 14mm thickness uses 6mm steel plates around babinet.
According to the above technical scheme, supply and discharge water installations are connected to earth pillar steaming by drainpipe and are oozed case using round water storage tubing string
The bottom of device box, drainpipe is equipped with corresponding valve, for manually controlling supply and drain water system.It is set in round water storage tubing string
There is moveable liquid level gauge, manipulated by reversible electric machine, underground water water supply and sewage automatic control circuit is to the water supply of supply and discharge water installations, row
Water is controlled.
According to the above technical scheme, weighing device is shouldered system, edge of a knife fulcrum, pedestal and holder by pressure sensor, bar and is constituted
Pedestal is arranged in the lower section of lysimeter, holder connect base and lever system and by edge of a knife fulcrum support, pressure sensor connection
To lever system, wherein lever system is used multi-grade lever device, total load is repeatedly decomposed, claimed using high-precision, big sensibility reciprocal
Sensor is retransmitted to measure.
According to the above technical scheme, further include auxiliary device, auxiliary device is by rain-proof shelter, building foundation and automatic weather station group
At rain-proof shelter is made of driving equipment, rainfall controller and awning, and building foundation is made of babinet protection group, underground foundation, ground
It is about 50m that lower basis, which is area,2Concrete structure.
According to the above technical scheme, soil water negative pressure meter probe, the TDR probes for measuring soil moisture content and measurement are measured
The temperature sensor (PT100) of the soil moisture presses 10cm, 20cm, 30cm, 40cm, 50cm, 60cm below soil soil table respectively,
The depth of 70cm, 80cm, 100cm, 120cm, 150cm, 180cm, 210cm, 240cm, 270cm are buried.
According to the above technical scheme, soil water negative pressure meter probe, the TDR probes for measuring soil moisture content and measurement are measured
Temperature sensor, the weighing device of the soil moisture are connected with CR1000 capture cards respectively, form slave computer part of data acquisition, right
Soil parameters is acquired, measures.
According to the above technical scheme, liquid level gauge and its video module utilize image processing techniques, to the video of camera acquisition
Frame is analyzed and is handled.It establishes the liquid level that treatment effeciency is high, adaptable and reads computation model, then in real time by recognition result
Display is returned, and is stored in database, realizes the online reading of liquid level.
According to the above technical scheme, further include monitoring management platform, monitoring management platform is made of industrial personal computer, is on the one hand collected
The data that hardware terminal is passed back, are shown in real time, are realized the visualization of data, are on the other hand monitored distance host
Access request sends out response to distance host, completes to the acquisition of testing data, display, inquiry and storage.
According to the above technical scheme, further include remote monitoring system, remote monitoring system is taken on the host computer of test site
Server environment is built, by the browser of distance host come access local database and host computer monitoring management platform, is realized remote
Journey monitoring and controlling.
The beneficial effect comprise that：One, acquisition, display and the storage for solving crop water Evapotranspiration are asked
Topic realizes the real-time acquisition of data, and the control functions such as water level and remote monitoring.Two, it is stored and is acquired by network data base
Data, it is ensured that system have many advantages, such as it is real-time, have excellent performance, precision is high, convenience is shared.Three, negative pressure liquid level gauge is online
Reading system can acquire the reading of mercury formula negative pressure liquid level gauge automatic, online, in real time, improve the Automated water of system
It is flat.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing：
Fig. 1 is the structural schematic diagram of Large-scale lysimeter intelligent monitor system of the embodiment of the present invention；
Fig. 2 is Data acquisition and storage system structure diagram in the embodiment of the present invention；
Fig. 3 is that negative pressure liquid level gauge reads system composite structural diagram online in the embodiment of the present invention；
Fig. 4 is image recognition flow chart in the embodiment of the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
In the embodiment of the present invention, a kind of Large-scale lysimeter intelligent monitor system is provided, a kind of Large-scale lysimeter intelligence is provided
Case apparatus, supply and discharge water installations, weighing device, measuring device, data acquisition device are oozed in monitoring system, including earth pillar steaming；Earth pillar steams
Ooze the side wall setting Sensor monitoring point of case apparatus babinet, earth pillar steaming ooze in case apparatus from top to bottom layering successively be embedded with it is various not
Congruent soil, to soil situation under simulating natural environment；Supply and discharge water installations steam the bottom water supply for oozing case apparatus to earth pillar
And draining, data acquisition device is popped one's head in by measurement soil water negative pressure meter, the TDR probes of measurement soil moisture content and measurement are native
The temperature sensor of earth temperature is constituted, and is arranged in Sensor monitoring point；The data transmission of data acquisition device is to measuring device
It measures；Weighing device is used to measure the variation of lysimeter quality, the total moisture variable quantity of reflection soil.
Further, earth pillar, which steams, oozes the babinet of case apparatus and uses space cube steel construction container, and side wall is (from upper behind
Arrive down successively in good orderly) setting Sensor monitoring point.The high 3m of steel construction container, area 2m × 2m, bottom surface is 14mm thickness
Steel plate uses 6mm steel plates around babinet.
Further, supply and discharge water installations are connected to earth pillar steaming by drainpipe and are oozed case apparatus case using round water storage tubing string
The bottom of body, drainpipe is equipped with corresponding valve, for manually controlling supply and drain water system.It is equipped in round water storage tubing string removable
Dynamic liquid level gauge, is manipulated by reversible electric machine, and underground water water supply and sewage automatic control circuit carries out water supply, the draining of supply and discharge water installations
Control.
Further, weighing device, which by pressure sensor, bar shoulders system, edge of a knife fulcrum, pedestal and holder and constitutes pedestal, sets
It sets in the lower section of lysimeter, holder connect base and lever system and by edge of a knife fulcrum support, pressure sensor is connected to lever
System, wherein lever system use multi-grade lever device, and total load is repeatedly decomposed, using high-precision, big sensibility reciprocal weighing and sensing
Device measures.
Further, further include auxiliary device, auxiliary device is made of rain-proof shelter, building foundation and automatic weather station, anti-
Awning is made of driving equipment, rainfall controller and awning, and building foundation is made of babinet protection group, underground foundation, underground base
Plinth is that area is about 50m2Concrete structure.
Further, soil water negative pressure meter probe is measured, the TDR probes of soil moisture content are measured and measures soil temperature
The temperature sensor (PT100) of degree presses 10cm, 20cm, 30cm, 40cm, 50cm, 60cm, 70cm below soil soil table respectively,
The depth of 80cm, 100cm, 120cm, 150cm, 180cm, 210cm, 240cm, 270cm are buried.
Further, soil water negative pressure meter probe is measured, the TDR probes of soil moisture content are measured and measures soil temperature
Temperature sensor, the weighing device of degree are connected with CR1000 capture cards respectively, form slave computer part of data acquisition, join to soil
Number is acquired, measures.
Further, liquid level gauge and its video module utilize image processing techniques, are carried out to the video frame of camera acquisition
Analysis and processing.It establishes the liquid level that treatment effeciency is high, adaptable and reads computation model, then in real time return to recognition result aobvious
Show, and be stored in database, realizes the online reading of liquid level.
Further, further include monitoring management platform, monitoring management platform is made of industrial personal computer, and it is whole on the one hand to collect hardware
The data passed back are held, are shown in real time, realize that the visualization of data, the access on the other hand monitoring distance host are asked
It asks, sends out response to distance host, complete to the acquisition of testing data, display, inquiry and storage.
Further, further include remote monitoring system, remote monitoring system service of building on the host computer of test site
Device environment realizes long-range monitoring by the browser of distance host come access local database and host computer monitoring management platform
Control.
It is as shown in Figure 1 the system composite structural diagram of the present invention in the preferred embodiment of the present invention, the large size in figure
Lysimeter intelligent monitor system, including：Case, measuring device and data acquisition system are oozed in supply and discharge water installations, weighing device, earth pillar steaming
System.Supply and discharge water installations 4 ooze case 1 by exporting water pipe and water being injected earth pillar and steamed, the in addition control of the water supply and sewage in water drainage-supply system 4
Circuit turns USB by RS232 with data acquisition computer 5 with control and is connected, in order to control as desired in lysimeter babinet
The soil water.
Earth pillar steams the cuboid steel construction babinet for oozing that case 1 is babinet a high 3m, floor space 2m × 2m.Cuboid steel construction
Be filled with soil horizon in babinet, every layer be all different sandy soil and stone mixture, be intended to reach different test effects, Ke Yifang
Different types of soil is set, so as to simulating different natural environments, meets kinds of experiments demand.
Measuring device by measurement soil water negative pressure depressimeter probe 2 and measure soil moisture content 3 groups of TDR probes
At.The motion conditions of the soil water in case are oozed in order to preferably observe earth pillar steaming, therefore press 10cm below native table in the soil,
20cm, 30cm, 40cm, 50cm, 60cm, 70cm, 80cm, 100cm, 120cm, 150cm, 180cm, 210cm, 240cm, 270cm
Depth, respectively bury measure soil water negative pressure depressimeter probe 2 and measure soil moisture content TDR probes 3.Measure soil
The data line of the TDR probes 3 of earth moisture content is connected with industrial data collection card CR1000, and CR1000 turns USB number by RS232
According to passing to upper computer end.And the typically mercury formula depressimeter reading of depressimeter 2 for measuring soil water negative pressure can only manually be read
It takes, therefore in order to improve automation mechanized operation.Using such as Fig. 3, picture is obtained to mercury negative pressure measurement disk 31 by industrial camera 32 and is led to
Cross USB be transmitted to host computer do image procossing and liquid level positioning.Its specific process flow such as Fig. 4.
As shown in Fig. 2, its main body is CR1000 modules, it is fixed on earth pillar steaming by U-shaped rails and oozes data acquisition device
On case cell wall.They collect the switch etc. of the matric potential data of soil, soil negative pressure data, valve respectively.Turned again by RS232
RS485 communications are connected with host computer monitoring management platform, and tele-control system is identical as host computer by internet, to
Realize the intelligence of data management monitoring.
Software systems develop software development, including program interface and software function module by Microsoft NET, and program interface is real
The display function now drawn with graphic interface：When the program is run, CR1000 temporarily stores the data being collected into, then
It is connected with host computer monitoring management platform by turning RS485 communications by RS232 and transmits data to database, convenient for interface
The calling of system and display.
Steps are as follows for specific experiment：
(1) it is needed to place corresponding soil horizon in container according to experiment；
(2) it controls round standpipe to supply water, simulates soil underground water；
(3) turn-on data acquisition and display systems, in babinet, different layers, same layer different depth at related data
It is collected, and the water sample at respective point is collected and is detected；
(4) it arranges, store data, and corresponding data is analyzed, obtain corresponding conclusion.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of Large-scale lysimeter intelligent monitor system, which is characterized in that ooze case apparatus including earth pillar steaming, supply and discharge water installations, claim
Refitting set, measuring device, data acquisition device；Earth pillar steams the side wall setting Sensor monitoring point for oozing case apparatus babinet, and earth pillar steams
The soil for being layered successively from top to bottom in case apparatus and being embedded with various heterogeneities is oozed, to soil situation under simulating natural environment；
Supply and discharge water installations steam the bottom water supply for oozing case apparatus to earth pillar and draining, data acquisition device are visited by measurement soil water negative pressure meter
Head, the TDR probes for measuring soil moisture content and the temperature sensor for measuring the soil moisture are constituted, and are arranged in Sensor monitoring point
In；The data transmission of data acquisition device is measured to measuring device；Weighing device is used to measure the variation of lysimeter quality,
Reflect the total moisture variable quantity of soil.
2. Large-scale lysimeter intelligent monitor system according to claim 1, which is characterized in that earth pillar steams the case for oozing case apparatus
Body uses space cube steel construction container, and Sensor monitoring point is arranged in side wall behind.Steel construction container high 3m, area 2m ×
2m, bottom surface are the steel plates of 14mm thickness, and 6mm steel plates are used around babinet.
3. Large-scale lysimeter intelligent monitor system according to claim 1 or 2, which is characterized in that supply and discharge water installations use
Round water storage tubing string is connected to the bottom that case apparatus babinet is oozed in earth pillar steaming by drainpipe, and drainpipe is equipped with corresponding valve,
It is equipped with moveable liquid level gauge in round water storage tubing string, is manipulated by reversible electric machine, underground water water supply and sewage automatic control circuit is to supplying
Water supply, the draining of drainage arrangement are controlled.
4. Large-scale lysimeter intelligent monitor system according to claim 1 or 2, which is characterized in that weighing device is by pressure
Sensor, bar shoulder system, edge of a knife fulcrum, pedestal and holder constitute pedestal and be arranged in the lower section of lysimeter, holder connect base and
Lever system and by edge of a knife fulcrum support, pressure sensor are connected to lever system, and wherein lever system is filled using multi-grade lever
It sets, total load is repeatedly decomposed, measured using high-precision, big sensibility reciprocal weighing sensor.
5. Large-scale lysimeter intelligent monitor system according to claim 1 or 2, which is characterized in that further include auxiliary device,
Auxiliary device is made of rain-proof shelter, building foundation and automatic weather station, and rain-proof shelter is by driving equipment, rainfall controller and awning group
At building foundation is made of babinet protection group, underground foundation, and underground foundation is that area is about 50m2Concrete structure.
6. Large-scale lysimeter intelligent monitor system according to claim 1 or 2, which is characterized in that it is negative to measure soil profile
Pressure meter probe, measure soil moisture content TDR probes and measure the soil moisture temperature sensor respectively soil soil table with
10cm, 20cm, 30cm, 40cm, 50cm, 60cm, 70cm, 80cm, 100cm, 120cm, 150cm, 180cm, 210cm are pressed down,
The depth of 240cm, 270cm are buried.
7. Large-scale lysimeter intelligent monitor system according to claim 1 or 2, which is characterized in that it is negative to measure soil profile
Pressure meter probe, measure the TDR probes of soil moisture content and measure the temperature sensor of the soil moisture, weighing device respectively with
CR1000 capture cards are connected, and form slave computer part of data acquisition, are acquired, measure to soil parameters.
8. Large-scale lysimeter intelligent monitor system according to claim 3, which is characterized in that liquid level gauge and its video module
Using image processing techniques, the video frame of camera acquisition is analyzed and handled.
9. Large-scale lysimeter intelligent monitor system according to claim 1 or 2, which is characterized in that further include monitoring management
Platform, monitoring management platform are made of industrial personal computer, are on the one hand collected the data that hardware terminal is passed back, are shown in real time
Show, realize the visualization of data, on the other hand monitor the access request of distance host, response, completion pair are sent out to distance host
Acquisition, display, inquiry and the storage of testing data.
10. Large-scale lysimeter intelligent monitor system according to claim 1 or 2, which is characterized in that further include remote monitoring
System, remote monitoring system build server environment on the host computer of test site, visiting by the browser of distance host
It asks local data base and host computer monitoring management platform, realizes long-distance monitor and control.
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| CN201810569399.3A CN108801839A (en) | 2018-06-05 | 2018-06-05 | Large-scale lysimeter intelligent monitor system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118795A (en) * | 2019-03-28 | 2019-08-13 | 西北农林科技大学 | A kind of complex ecosystem evapotranspires system for measuring quantity and its operating method |
| CN110411549A (en) * | 2019-08-23 | 2019-11-05 | 宁夏回族自治区水利科学研究院 | A kind of multichannel crops evaporation remote gathering system |
| CN111624328A (en) * | 2020-05-05 | 2020-09-04 | 中国农业科学院草原研究所 | Water supply metering lysimeter and use method thereof |
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