CN207730296U - Runoff plots soil moisture and go out to flow monitoring system - Google Patents
Runoff plots soil moisture and go out to flow monitoring system Download PDFInfo
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- CN207730296U CN207730296U CN201820002545.XU CN201820002545U CN207730296U CN 207730296 U CN207730296 U CN 207730296U CN 201820002545 U CN201820002545 U CN 201820002545U CN 207730296 U CN207730296 U CN 207730296U
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Abstract
The utility model provides a kind of runoff plots soil moisture and goes out to flow monitoring system, which includes：Runoff plots, including horizon d, the soil horizon that is arranged above the horizon d；Go out to flow collecting tank, the downstream in the runoff plots is set, diversion pipe goes out to flow collecting tank and be connected with described；Triangle weir goes out conductance pipe by first and goes out to flow collecting tank and be connected with described；Liquid level sensor is arranged in the triangle weir；Dust-collecting bucket goes out conductance pipe by second and is connected with the triangle weir.The utility model provides a kind of runoff plots soil moisture and goes out to flow monitoring system, can monitor soil water infiltration earth's surface, the underground outflow process of runoff plots in real time, and precision is high.
Description
Technical field
The utility model is related to hydrographic water resource engineering, the runoff plots soil moisture of water and soil conservation experiment and go out stream monitoring
Field more particularly to a kind of runoff plots soil moisture and go out to flow monitoring system.
Background technology
Domestic and international runoff plots measure rainfall production confluence, only focus on rainwash, and flow uses volumetric method, that is, uses cylinder
Bucket stores out streamflow, then manual measurement inner bucket water position height calculates total outflow；In order to study the machine of rainfall production confluence
Reason, needs to know numerical analysis of rainfall infiltration, Surface Runoff amount, subterrane runoff yield, therefore how to measure the soil water of soil horizon
It is still the field urgent problem to be solved to infiltrate situation, earth's surface and underground to go out the process of stream.
Utility model content
The feature and advantage of the utility model partly state in the following description, or can be aobvious and easy from the description
See, or can be learnt by putting into practice the utility model.
To overcome problem of the prior art, the utility model provides a kind of runoff plots soil moisture and goes out stream monitoring system
System, including：
Runoff plots, including horizon d, the soil horizon that is arranged above the horizon d；
Go out to flow collecting tank, the downstream in the runoff plots be set,
Triangle weir goes out conductance pipe by first and goes out to flow collecting tank and be connected with described；
Liquid level sensor is arranged in the triangle weir；
Dust-collecting bucket goes out conductance pipe by second and is connected with the triangle weir.
In a possible design, it is described go out flow collecting tank include be arranged the end of the soil horizon earth's surface go out stream
Collecting tank and the horizon d being arranged in the end of the horizon d go out to flow collecting tank.
In a possible design, the earth's surface go out to flow collecting tank or the horizon d to go out to flow collecting tank be a diameter of 5-
The semicircle or arc groove of 15cm.
Further include rainwater baffle in a possible design, is arranged and goes out to flow the top of collecting tank described.
In a possible design, further include：
Soil moisture extractor, one end are connected with the soil horizon, and the other end connects receiving flask；
Soil moisture sensor is arranged in the soil horizon；
Multiple soil water potential sensors, perpendicular separation are distributed in the soil horizon；
Data collector is connected with the soil moisture sensor, soil water potential sensor.
In a possible design, the angle at the weir angle of the triangle weir is 15-25 °, is 8- apart from bottom
15cm。
In a possible design, steady water baffle is equipped in the triangle weir, the steady water baffle is equipped with steady
Water hole.
In a possible design, the liquid level sensor is arranged on the steady water baffle.
The utility model provides a kind of runoff plots soil moisture and goes out to flow monitoring system, and it is small can to monitor runoff in real time
The soil water infiltration earth's surface in area, underground outflow process, precision are high.
By reading specification, the feature of these technical solutions and interior will be best understood in those of ordinary skill in the art
Hold.
Description of the drawings
It is specifically described the utility model below with reference to attached drawing and in conjunction with example, the advantages of the utility model and realization
Mode will be more obvious, and wherein content shown in attached drawing is only used for the explanation to the utility model, without constituting to this reality
With it is novel in all senses on limitation, in the accompanying drawings：
Fig. 1 is the runoff plots soil moisture of the utility model embodiment and goes out to flow the schematic diagram of monitoring system.
Fig. 2 is the runoff plots soil moisture of another embodiment of the utility model and goes out to flow the schematic diagram of monitoring system.
Specific implementation mode
As shown in Figure 1, the utility model provides a kind of runoff plots soil moisture and goes out to flow monitoring system, including runoff is small
Area 10 goes out to flow collecting tank 20, triangle weir 30, liquid level sensor 31.
Wherein, runoff plots 10 include horizon d 12, the soil horizon 11 being arranged above horizon d 12；In the present embodiment,
Runoff plots 10 grow 15 meters, it is 5 meters wide, upper layer is soil horizon, and lower layer is horizon d, around use 10cm thickness cement enclosing, cement
Depth directly to 20cm below surface of bedrock.
Go out to flow collecting tank 20 to be arranged in the downstream of runoff plots 10, including the earth's surface being arranged in the end of soil horizon goes out stream
Collecting tank 21 and the horizon d being arranged in the end of horizon d go out to flow collecting tank 22.In the present embodiment, earth's surface goes out to flow collecting tank
21 or horizon d to go out to flow collecting tank 22 be a diameter of 5-15cm；The e.g. semicircle of 10cm or arc groove.Earth's surface goes out stream and receives
It can be adjacent in the vertical direction that collection slot 21 goes out to flow collecting tank 22 with horizon d, exist in addition, horizon d goes out to flow collecting tank 22
It can be used on the interface of soil horizon and horizon d and be inserted into one fixed width, such as the stainless-steel sheet of 20cm wide is entered.
Triangle weir 30 goes out conductance pipe 51 by first and is connected with going out to flow collecting tank 20；First goes out conductance pipe 51 runoff
The stream that goes out of cell is introduced into triangle weir 30, and in the present embodiment, triangle weir long 40cm, wide 20cm, high 30cm are set in weir
There is steady water baffle, there is steady water hole on steady water baffle, it is the hole of 1cm that steady water hole, which is a diameter of, it is therefore an objective to stationary flow, the angle at weir angle
Degree be 15-25 °, e.g. 20 °, apart from bottom 8-15cm, for example, 10cm.
Liquid level sensor 30 is arranged in triangle weir 30；It is leaned on more specifically, liquid level sensor 30 is located at steady water baffle
The one side at nearly weir angle.
Dust-collecting bucket 40 goes out conductance pipe 52 by second and is connected with triangle weir 30.Total amount in order to verify one rainfall event can
Volume is obtained to be multiplied by floor space with the height for measuring dust-collecting bucket, it can also sample examination water quality and isotope.
Referring to Fig. 2, in the present embodiment, further includes rainwater baffle 23, be arranged in the top for going out to flow collecting tank 20, more
Specifically earth's surface goes out to flow the top of collecting tank 21, described goes out to flow collecting tank 20 to prevent rainwater to be splashed into.Further include：
Soil moisture extractor 61, one end is connected with soil horizon, and the other end connects receiving flask 62；The receiving flask 62 can be
500ml, multiple receiving flasks 62 can be put into the box of a PVC.
Soil moisture sensor 63 is arranged in soil horizon 10；
Multiple soil water potential sensors 64, perpendicular separation is distributed in soil horizon；For example, vertical distribution is 4 layers, depth point
It Wei not 10,20,30,50cm.
Data collector 65 is connected with soil moisture sensor 63, soil water potential sensor 64.In addition, data collector
65 are also connected with liquid level sensor 31, the data for collecting liquid level sensor 31.In the specific implementation, data collector 65 is logical
Cross wired mode acquisition soil moisture sensor and soil water potential sensor, the data of liquid level sensor, the interval of acquisition time
Can be 1min.
The utility model also provides a kind of runoff plots soil moisture and goes out to flow monitoring method, including step：
When S1, rainfall, using runoff plots soil moisture provided by the utility model and go out to flow monitoring system collection rainwater；
It after natural rainfall, produces and flows when runoff plots, into going out to flow collecting tank, enter triangle weir by going out conductance pipe,
Water level sensor records water level in triangle weir.
S2, flow is calculated；
If rainwater from runoff plots soil moisture and does not go out to flow in the triangle weir in monitoring system and flows out, usually,
Liquid level sensor water level h at this timet<0.1m, flow are：
Qt=(ht-ht-1)*a*b/Δt
Wherein, htThe height of water level measured for t moment liquid level sensor；QtFor the flow of t moment；
If rainwater is flowed out out of triangle weir, usually, liquid level sensor water level h at this timet>0.1m, then flow be：
Wherein, htThe height of water level measured for t moment liquid level sensor；QtFor the flow of t moment.
Can also include the collection for measuring runoff plots soil moisture and going out to flow in monitoring system in addition, after rainfall
The height of water level of bucket obtains the total volume that one rainfall event runoff plots go out stream：
V=h* π * r2
Wherein, h is the height of water level of dust-collecting bucket；R is the radius of dust-collecting bucket.
Runoff plots soil moisture provided by the utility model and go out to flow monitoring system, the soil water of soil horizon can be measured
The process that situation, earth's surface and underground go out stream is infiltrated, has positive effect to the mechanism of research rainfall production confluence.
Above by reference to the preferred embodiment for having illustrated the utility model, it is new that those skilled in the art do not depart from this practicality
The scope and spirit of type can realize the utility model there are many variant scheme.For example, as the part of one embodiment
The feature for showing or describing can be used for another embodiment to obtain another embodiment.It these are only that the utility model is preferably feasible
Embodiment not thereby limits to the interest field of the utility model, all to use the utility model specification and accompanying drawing content
Made by equivalence changes, be both contained within the interest field of the utility model.
Claims (8)
1. a kind of runoff plots soil moisture and going out to flow monitoring system, which is characterized in that including：
Runoff plots, including horizon d, the soil horizon that is arranged above the horizon d；
Go out to flow collecting tank, the downstream in the runoff plots be set,
Triangle weir goes out conductance pipe by first and goes out to flow collecting tank and be connected with described；
Liquid level sensor is arranged in the triangle weir；
Dust-collecting bucket goes out conductance pipe by second and is connected with the triangle weir.
2. runoff plots soil moisture and going out to flow monitoring system according to claim 1, which is characterized in that it is described go out stream collect
Slot includes that the earth's surface in the end of the soil horizon is arranged to go out to flow collecting tank and the basement rock in the end of the horizon d is arranged
Layer goes out to flow collecting tank.
3. runoff plots soil moisture and going out to flow monitoring system according to claim 2, which is characterized in that the earth's surface goes out stream
Collecting tank or the horizon d go out to flow the semicircle or arc groove that collecting tank is a diameter of 5-15cm.
4. runoff plots soil moisture and going out to flow monitoring system according to claim 2, which is characterized in that further include rainwater gear
Plate is arranged and goes out to flow the top of collecting tank described.
5. runoff plots soil moisture and going out to flow monitoring system according to claim 1, which is characterized in that further include：
Soil moisture extractor, one end are connected with the soil horizon, and the other end connects receiving flask；
Soil moisture sensor is arranged in the soil horizon；
Multiple soil water potential sensors, perpendicular separation are distributed in the soil horizon；
Data collector is connected with the soil moisture sensor, soil water potential sensor.
6. runoff plots soil moisture and going out to flow monitoring system according to claim 1, which is characterized in that the three angular amount water
The angle at the weir angle on weir is 15-25 °, is 8-15cm apart from bottom.
7. runoff plots soil moisture and going out to flow monitoring system according to claim 1 or 6, which is characterized in that the triangle
Steady water baffle is equipped in weir, the steady water baffle is equipped with steady water hole.
8. runoff plots soil moisture and going out to flow monitoring system according to claim 7, which is characterized in that the level sensing
Device is arranged on the steady water baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820002545.XU CN207730296U (en) | 2018-01-02 | 2018-01-02 | Runoff plots soil moisture and go out to flow monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820002545.XU CN207730296U (en) | 2018-01-02 | 2018-01-02 | Runoff plots soil moisture and go out to flow monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN207730296U true CN207730296U (en) | 2018-08-14 |
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ID=63084695
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820002545.XU Active CN207730296U (en) | 2018-01-02 | 2018-01-02 | Runoff plots soil moisture and go out to flow monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195441A (en) * | 2018-01-02 | 2018-06-22 | 保定市水土保持试验站 | Runoff plots soil moisture and go out stream monitoring system and method |
| CN109752511A (en) * | 2019-03-21 | 2019-05-14 | 北京林业大学 | A kind of field Simple soil runoff observation subdistrict |
-
2018
- 2018-01-02 CN CN201820002545.XU patent/CN207730296U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195441A (en) * | 2018-01-02 | 2018-06-22 | 保定市水土保持试验站 | Runoff plots soil moisture and go out stream monitoring system and method |
| CN109752511A (en) * | 2019-03-21 | 2019-05-14 | 北京林业大学 | A kind of field Simple soil runoff observation subdistrict |
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