CN209570479U - Evapotranspiration of grassland amount determining device - Google Patents
Evapotranspiration of grassland amount determining device Download PDFInfo
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- CN209570479U CN209570479U CN201920213380.5U CN201920213380U CN209570479U CN 209570479 U CN209570479 U CN 209570479U CN 201920213380 U CN201920213380 U CN 201920213380U CN 209570479 U CN209570479 U CN 209570479U
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- cylinder
- outer cylinder
- evapotranspiration
- evaporative
- determining device
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Abstract
The utility model provides a kind of evapotranspiration of grassland amount determining device, including evaporative cylinder (1), outer cylinder (2), caisson (3), weighing sensor (4), soil moisture sensor (5), power supply (6), data collector (7) and leakproof gauze (9)；The evaporative cylinder (1) is set to the internal weighing sensor (4) of the outer cylinder (2) above, also, the evaporative cylinder (1) and the outer cylinder (2) clearance fit；Barrel along the evaporative cylinder (1) successively lays the soil moisture sensor (5) from top to bottom.Advantage are as follows: the utility model structure is simple, easy to operate, and maintenance cost is low, full-automatic to transmit, and is suitable for field fixed point in-situ monitoring, and precision is higher, provides data supporting for work such as the sustainable uses, planning and designing and management on meadow.
Description
Technical field
The utility model belongs to farming and animal husbandry environmental monitoring technology field, and in particular to a kind of evapotranspiration of grassland amount determining device.
Background technique
Evapotranspiration (ET) is the important link of Land surface energy budget and water balance, refer to by from upper soll layer evaporation and
The surface water of the rising composition of vegetation blade scatters and disappears, and is made of soil evaporation and transpiration two parts.In soil-plant
Quilt-Atmosphere System recycles in (SPAC), and evapotranspiration plays very important effect.Therefore, the estimation of evapotranspiration is for regional water
It is extremely important to measure the fields such as balance, grassland planning, water resources management.
Currently, estimation evapotranspiration method mainly include water balance method, lysimeter, eddy-correlation technique, heavy caliber swash
Optical flare instrument and isotope method etc..These above-mentioned instruments or simulator have and involve great expense, precision and high sensitivity, ring
Border disturbance and artificial destruction will cause measurement error, need periodic maintenance, be not suitable for installing in the field that nobody garrisons.Weighing type steams
Infiltration instrument is bulky, it is difficult to fill soil, and need to do underground sight chamber, larger to the destruction of soil primal environment, also some patents pair
It is correspondingly improved, but is difficult to popularize always.And miniature roses are since volume is light and small, low cost, measurement essence
Really, the features such as easy to remove, is favored, but there is also some shortcomings: first, measurement is time-consuming, and cannot measure evapotranspiration
The variation of moment；Second, take native process to be easily destroyed the original structure of soil, and separated the hydrothermal exchange with deep soil；
Third needs manually to be weighed with weighing-appliance.These deficiencies make experiment condition variant with real conditions, limit this method
Be widely used.
In conclusion up to the present, lacking one kind in the prior art can be in the extensive practical measurement in simple and crude field
The instrument of evapotranspiration.
Utility model content
In view of the defects existing in the prior art, the utility model provides a kind of evapotranspiration of grassland amount determining device, can effectively solve
The certainly above problem.
The technical solution adopted in the utility model is as follows:
The utility model provides a kind of evapotranspiration of grassland amount determining device, including evaporative cylinder (1), outer cylinder (2), caisson (3),
Weighing sensor (4), soil moisture sensor (5), power supply (6), data collector (7) and leakproof gauze (9)；
The outer cylinder (2) is the tubular structure that open top, bottom are provided with outer tube end plate (2-1)；The outer tube end plate
(2-1) setting is multiple to infiltrate aperture (2-2)；The outer cylinder (2) is vertically pressed into meadow, and makes the inside of the outer cylinder (2)
Cavity；The weighing sensor (4) is installed in the upper surface of outer tube end plate (2-1) of the outer cylinder (2)；
The evaporative cylinder (1) is the open tubular structure in top and bottom；Described in the bottom installation of the evaporative cylinder (1)
Leakproof gauze (9)；The soil body is filled in the cylinder of the evaporative cylinder (1)；The barrel dliameter of the evaporative cylinder (1) is less than the outer cylinder (2)
Barrel dliameter；The evaporative cylinder (1) is set to the internal weighing sensor (4) of the outer cylinder (2) above, also, the evaporation
Cylinder (1) and the outer cylinder (2) clearance fit；Barrel along the evaporative cylinder (1) successively lays the soil moisture from top to bottom
Sensor (5), wherein the soil moisture sensor (5) passes through the socket on the evaporative cylinder (1) barrel and gos deep into soil
In；
The caisson (3) are installed around the outer cylinder (2)；In the caisson (3) the arrangement power supply (6) and
The data collector (7)；The power supply (6) is connect by cable (13) with the weighing sensor (4)；The data are adopted
Storage (7) by sensor connecting line (8) respectively with each soil moisture sensor (5) and the weighing sensor
(4) it connects.
Preferably, the side wall of the outer cylinder (2) is opened up passes through for the cable (13) and the sensor connecting line (8)
Threading via hole (2-3)；The threading via hole (2-3) is located at the outer cylinder (2) side wall one third position from top to bottom.
Preferably, the antenna (11) connecting with the data collector (7) is also arranged in the caisson (3)；The number
It is connect by the antenna (11) with remote monitoring platform (12) according to collector (7).
Preferably, the outer cylinder (2) and the evaporative cylinder (1) are stainless steel cylinder or rubber tubing.
Preferably, the outer cylinder (2) is highly 40-45cm, internal diameter 20-24cm；The evaporative cylinder (1) is highly 35-
40cm, internal diameter 16-20cm.
Preferably, the hole count for infiltrating aperture (2-2) arrangement is 15-20, is evenly distributed on the outer tube end plate (2-
1)；The diameter that aperture (2-2) is infiltrated described in each is 0.8cm.
Preferably, the barrel of the evaporative cylinder (1) is horizontally disposed with 5 sockets from up to down；Also, uppermost socket position
In steppe vegetation root system position.
Preferably, evaporative cylinder (1) upper end is equipped with handle.
Preferably, the weighing sensor (4) is set to the interior of the outer cylinder (2) by aluminium horizontal board mount (10)
Portion.
Evapotranspiration of grassland amount determining device provided by the utility model has the advantage that
The utility model structure is simple, easy to operate, and maintenance cost is low, full-automatic to transmit, and it is in situ to be suitable for field fixed point
Monitoring, and precision is higher, provides data supporting for work such as the sustainable uses, planning and designing and management on meadow.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of evapotranspiration of grassland amount determining device provided by the utility model.
Wherein: evaporative cylinder 1, outer tube end plate 2-1, infiltrates aperture 2-2, threading via hole 2-3, caisson 3, weighing biography at outer cylinder 2
Sensor 4, soil moisture sensor 5, power supply 6, data collector 7, sensor connecting line 8, leakproof gauze 9, flat aluminium alloy plate branch
Frame 10, antenna 11, remote monitoring platform 12, power supply cable 13.
Specific embodiment
The technical issues of in order to keep the utility model solved, technical solution and beneficial effect are more clearly understood, below
In conjunction with accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific implementation described herein
Example only to explain the utility model, is not used to limit the utility model.
The utility model provides a kind of evapotranspiration of grassland amount determining device, by weighing sensor, soil moisture sensor, data
Collector etc., it is integrated with miniature roses, form a kind of evapotranspiration of grassland amount determining device that Full-automatic remote monitoring may be implemented.
Compared with prior art, the utility model thes improvement is that: miniature roses and soil moisture sensor phase
In conjunction with field in-situ monitoring is combined with long-range monitoring platform, realizes the real time on-line monitoring of vegetation evapotranspiration；The utility model
Effect include that structure design is simple, easy to operate, full-automatic to transmit, maintenance cost is low, be suitable for field fixed point in-situ monitoring,
And measurement accuracy is higher.The experimental rig is for the use of the subjects such as geography, ecology, hydrology, meteorology, also for ecological water
The scientific researches such as text and surficial process use.
With reference to Fig. 1, evapotranspiration of grassland amount determining device includes evaporative cylinder 1, outer cylinder 2, caisson 3, weighing sensor 4, soil
Moisture transducer 5, power supply 6, data collector 7 and leakproof gauze 9；
Outer cylinder 2 is the tubular structure that open top, bottom are provided with outer tube end plate 2-1；2 height of outer cylinder is 40-45cm, interior
Diameter is 20-24cm, is stainless steel cylinder or rubber tubing.Outer tube end plate 2-1 setting is multiple to infiltrate aperture 2-2；For example, infiltrating small
The hole count of hole 2-2 arrangement is 15-20, is evenly distributed on outer tube end plate 2-1；Each diameter for infiltrating aperture 2-2 is
0.8cm.Outer cylinder 2 is vertically pressed into meadow, and makes the inside cavity of outer cylinder 2；Pacify in the upper surface of outer tube end plate 2-1 of outer cylinder 2
Fill weighing sensor 4；In practical application, to realize the moisture-proof effect of weighing sensor 4, weighing sensor 4 is made to pass through aluminium alloy
Flat bracket 10 is set to the inside of outer cylinder 2.The side wall of outer cylinder 2 opens up power supply cable 13 and the wearing of passing through of sensor connecting line 8
Line three-way hole 2-3；Threading via hole 2-3 is located at 2 side wall of outer cylinder one third position from top to bottom.
Evaporative cylinder 1 is the open tubular structure in top and bottom；1 height of evaporative cylinder is 35-40cm, internal diameter 16-
20cm is stainless steel cylinder or rubber tubing.The bottom of evaporative cylinder 1 is installed by leakproof gauze 9；The soil body is filled in the cylinder of evaporative cylinder 1；
The barrel dliameter of evaporative cylinder 1 is less than the barrel dliameter of outer cylinder 2；Evaporative cylinder 1 is set to above the weighing sensor 4 inside outer cylinder 2, also, is steamed
Send out cylinder 1 and 2 clearance fit of outer cylinder；Along the barrel of evaporative cylinder 1, soil moisture sensor 5 is successively laid from top to bottom, for example, altogether
Arrange 5 soil moisture sensors 5.Wherein, soil moisture sensor 5 passes through the socket on 1 barrel of evaporative cylinder and gos deep into soil
In；Socket set-up mode are as follows: the barrel of evaporative cylinder 1 is horizontally disposed with 5 sockets for being about 5cm from up to down；Also, it is uppermost
Socket is located at steppe vegetation root system position.1 upper end of evaporative cylinder is equipped with handle.
Caisson 3 is installed around outer cylinder 2；Also part is located in soil caisson 3.6 He of power supply is arranged in caisson 3
Data collector 7；Power supply 6 is connect by cable 13 with weighing sensor 4；Power supply 6 is also connect with data collector 7, is used for
It powers to weighing sensor 4 and data collector 7, chargeable or charged pool, carrying and using when convenient for field work.
Data collector 7 by sensor connecting line 8 respectively with each soil moisture sensor 5 and weighing sensor 4
Connection, carries out the acquisition of data.
The antenna 11 connecting with data collector 7 is also arranged in caisson 3；Data collector 7 is by antenna 11 and remotely
Monitor supervision platform 12 connects.Data collector 7 can show detection data and the time of measurement, wherein detection data includes the soil water
The weight value that the Soil moisture and weighing sensor 4 for the different depth that sub-sensor 5 detects detect, detection data are stored in
In data collector 7, by the antenna 11 of the networks such as GPRS and Internet, it will test data and be sent to remote monitoring platform
12, in 12 real-time display of remote monitoring platform.
Evapotranspiration of grassland amount determining device, including following installation steps:
A, the soil body in outer cylinder 2 upward, by outer cylinder 2 vertically indentation meadow, is dug out in the open end for making outer cylinder 2, outer cylinder 2
Nozzle will be higher by meadow face 5cm；
B, under the premise of not destroying soil structures, evaporative cylinder 1 is vertically pressed into the meadow of other positions, then from side
Edge carefully digs out the evaporative cylinder 1 for filling the soil body；
C, the bottom leakproof gauze 9 of the evaporative cylinder 1 for filling the soil body of taking-up is sealed, to prevent being leaked under grogs, is protected simultaneously
The hydrothermal exchange of card and deep soil；
D, soil moisture sensor 5 is mounted in cylinder in soil by the socket on 1 barrel of evaporative cylinder, sensor connection
Line 8 is connected to the data collector 7 in caisson 3 by outer cylinder 2 and 1 gap of evaporative cylinder；
E, evaporative cylinder 1 is placed on the weighing sensor 4 of 2 interior bottom portion of outer cylinder；
F, caisson 3 is embedded in from beside evaporation device；
G, by 2 side wall circular holes of outer cylinder, weighing sensor 4 and soil moisture sensor 5 is made to pass through sensor connecting line 8
It is connect with the port of data collector 7；Acquisition time interval is set in data collector 7；
H, evaporative cylinder earth pillar weighing variation and each layer soil moisture content transformation are continuously measured, data storage is in data collector 7
It is interior.
The mass change of the meadow soil body in the evaporative cylinder that the utility model is recorded by weighing sensor, to measure soil
Evaporation capacity and meadow transpiration rate, the two summation are the evapotranspiration on meadow.It finds under study for action, soil moisture is soil evaporation
Material base is affected to evapotranspiration.As a result, in order to accurately calculate, the variation of each layer soil moisture is determined.
In use, specific implementation step are as follows:
By in outer cylinder 2 vertically indentation meadow, the soil body in outer cylinder 2 is dug out, nozzle will be higher by meadow face 5cm, and weighing is passed
Sensor 4 is mounted on outer cylinder bottom；Under the premise of not destroying soil structures, evaporative cylinder 1 is vertically pressed into the meadow of other positions
In, the evaporative cylinder 1 for filling the soil body is then carefully dug out from edge；The bottom leakproof gauze 9 of evaporative cylinder 1 is sealed, wherein anti-
Missing yarn cloth 9 uses preventing water leakage gauze, to prevent leaking under grogs, while guaranteeing the hydrothermal exchange with deep soil；
Soil moisture sensor 5 is mounted in cylinder in soil by the socket on 1 wall of evaporative cylinder, sensor connecting line 8
It is connected in caisson 3 by outer cylinder 2 and 1 gap of evaporative cylinder；
Evaporative cylinder 1 is placed on the weighing sensor 4 of 2 interior bottom portion of outer cylinder；Caisson 3 is embedded in from evaporation device
Side is connect by outer tube side wall circular holes with sensor；
Weighing sensor 4 and 5 connecting line of soil moisture sensor are connect with 7 port of data collector, acquired in data
Acquisition time interval is set in device, it is continuous to measure evaporative cylinder earth pillar weighing variation and each layer soil moisture content transformation, data storage in
In data collector 7, and remote monitoring platform 12 is sent to by GPRS and Internet network.With this condition, this is evaporated
Cylinder earth pillar variable quantity includes soil evaporativeness and transpiration amount, i.e., soil evapotranspiration under this condition.
In the application, aperture 2-2 is infiltrated since the outer tube end plate 2-1 in outer cylinder 2 is opened up, and the bottom of evaporative cylinder 1 is anti-
Missing yarn cloth 9, it is thus achieved that in evaporative cylinder 1 soil and the deep soil of the lower section of outer cylinder 2 hydrothermal exchange, ensure that the essence of measurement
Degree.
The utility model structure is simple, easy to operate, and maintenance cost is low, full-automatic to transmit, and it is in situ to be suitable for field fixed point
Monitoring, and precision is higher, provides data supporting for work such as the sustainable uses, planning and designing and management on meadow.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching should also regard the protection scope of the utility model.
Claims (9)
1. a kind of evapotranspiration of grassland amount determining device, which is characterized in that including evaporative cylinder (1), outer cylinder (2), caisson (3), weighing
Sensor (4), soil moisture sensor (5), power supply (6), data collector (7) and leakproof gauze (9)；
The outer cylinder (2) is the tubular structure that open top, bottom are provided with outer tube end plate (2-1)；The outer tube end plate (2-1)
It is arranged and multiple infiltrates aperture (2-2)；The outer cylinder (2) is vertically pressed into meadow, and makes the inside cavity of the outer cylinder (2)；
The weighing sensor (4) is installed in the upper surface of outer tube end plate (2-1) of the outer cylinder (2)；
The evaporative cylinder (1) is the open tubular structure in top and bottom；The bottom of the evaporative cylinder (1) is installed by the leakproof
Gauze (9)；The soil body is filled in the cylinder of the evaporative cylinder (1)；The barrel dliameter of the evaporative cylinder (1) is less than the barrel dliameter of the outer cylinder (2)；
The evaporative cylinder (1) is set to the internal weighing sensor (4) of the outer cylinder (2) above, also, the evaporative cylinder (1)
With the outer cylinder (2) clearance fit；Barrel along the evaporative cylinder (1) successively lays the soil moisture sensing from top to bottom
Device (5), wherein the soil moisture sensor (5) passes through the socket on the evaporative cylinder (1) barrel and gos deep into soil；
The caisson (3) are installed around the outer cylinder (2)；The arrangement power supply (6) and described in the caisson (3)
Data collector (7)；The power supply (6) is connect by cable (13) with the weighing sensor (4)；The data collector
(7) connected respectively with each soil moisture sensor (5) and the weighing sensor (4) by sensor connecting line (8)
It connects.
2. evapotranspiration of grassland amount determining device according to claim 1, which is characterized in that the side wall of the outer cylinder (2) opens up
The threading via hole (2-3) passed through for the cable (13) and the sensor connecting line (8)；Threading via hole (2-3) position
In the outer cylinder (2) side wall one third position from top to bottom.
3. evapotranspiration of grassland amount determining device according to claim 1, which is characterized in that also arranged in the caisson (3)
The antenna (11) being connect with the data collector (7)；The data collector (7) passes through the antenna (11) and long-range monitoring
Platform (12) connection.
4. evapotranspiration of grassland amount determining device according to claim 1, which is characterized in that the outer cylinder (2) and the evaporation
Cylinder (1) is stainless steel cylinder or rubber tubing.
5. evapotranspiration of grassland amount determining device according to claim 1, which is characterized in that the outer cylinder (2) is highly 40-
45cm, internal diameter 20-24cm；The evaporative cylinder (1) is highly 35-40cm, internal diameter 16-20cm.
6. evapotranspiration of grassland amount determining device according to claim 1, which is characterized in that described to infiltrate aperture (2-2) arrangement
Hole count be 15-20, be evenly distributed on the outer tube end plate (2-1)；The diameter that aperture (2-2) is infiltrated described in each is
0.8cm。
7. evapotranspiration of grassland amount determining device according to claim 1, which is characterized in that the barrel of the evaporative cylinder (1) is certainly
5 sockets are arranged in upper downward horizontal；Also, uppermost socket is located at steppe vegetation root system position.
8. evapotranspiration of grassland amount determining device according to claim 1, which is characterized in that evaporative cylinder (1) the upper end installation
There is handle.
9. evapotranspiration of grassland amount determining device according to claim 1, which is characterized in that the weighing sensor (4) passes through
Aluminium horizontal board mount (10) is set to the inside of the outer cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920213380.5U CN209570479U (en) | 2019-02-19 | 2019-02-19 | Evapotranspiration of grassland amount determining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920213380.5U CN209570479U (en) | 2019-02-19 | 2019-02-19 | Evapotranspiration of grassland amount determining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209570479U true CN209570479U (en) | 2019-11-01 |
Family
ID=68333908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920213380.5U Expired - Fee Related CN209570479U (en) | 2019-02-19 | 2019-02-19 | Evapotranspiration of grassland amount determining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209570479U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697638A (en) * | 2021-01-11 | 2021-04-23 | 贵州省林业科学研究院 | Automatic continuous dynamic measurement system and method for in-situ shrub transpiration amount |
| IT202100022955A1 (en) * | 2021-09-06 | 2023-03-06 | Univ Cattolica Del Sacro Cuore | INSTANT EVAPORIMETER FOR TURF CROWDS |
-
2019
- 2019-02-19 CN CN201920213380.5U patent/CN209570479U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697638A (en) * | 2021-01-11 | 2021-04-23 | 贵州省林业科学研究院 | Automatic continuous dynamic measurement system and method for in-situ shrub transpiration amount |
| IT202100022955A1 (en) * | 2021-09-06 | 2023-03-06 | Univ Cattolica Del Sacro Cuore | INSTANT EVAPORIMETER FOR TURF CROWDS |
| WO2023031734A1 (en) * | 2021-09-06 | 2023-03-09 | Università Cattolica del Sacro Cuore | Instant evaporimeter for grassy turf |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20191101 Termination date: 20210219 |