CN209727717U - Indoor rainfall infiltration test device - Google Patents
Indoor rainfall infiltration test device Download PDFInfo
- Publication number
- CN209727717U CN209727717U CN201920348498.9U CN201920348498U CN209727717U CN 209727717 U CN209727717 U CN 209727717U CN 201920348498 U CN201920348498 U CN 201920348498U CN 209727717 U CN209727717 U CN 209727717U
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- CN
- China
- Prior art keywords
- rainfall
- test device
- collecting barrelling
- rainfall infiltration
- infiltration test
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A kind of interior rainfall infiltration test device, including the collecting barrelling for accommodating earth material layer, the collecting barrelling top is equipped with rainfall spray head, told rainfall spray head is connected by conduit with water tank, the collecting barrelling bottom is equipped with ponding layer, ponding layer lower end is equipped with discharge outlet, the collecting barrelling inner surface is equipped with pressure sensor and humidity sensor, the pressure sensor and humidity sensor interlaced arrangement, the display that the side of the collecting barrelling is equipped with data acquisition device and connect with data acquisition device, the uniformity of rainfall infiltration can highly be imitated, guarantee the accuracy of sensor measurement data in infiltration process, it is very suitable for carrying out the research of rainfall infiltration rule indoors because of the limitation of conditions.
Description
Technical field
The utility model relates to monitor rainfall infiltration field, more particularly, to a kind of indoor rainfall infiltration test device.
Background technique
Rainfall infiltration is an extremely complex water-gas coupling process, and the influence factor being related to includes the boundary of rainfall infiltration
Condition, soil strength variation, primary condition etc..Rainfall infiltration tests the test for being chiefly used in seepage characteristic of the side slope under rain fall,
Unsaturated seepage and its impact on slope stability have many scholars to do correlative study, are tried by designing one-dimensional rainfall infiltration
It tests, has studied influence of the unsaturated seepage characteristic to rainfall infiltration water；Rain making is simulated indoors infiltrates unsaturated soil
Column test proposes that alpine region infiltrates the zone of influence and infiltrates forward's migration rule and rainfall intensity, rainfall duration to the shadow of infiltration rate
Ring rule；It is applied to using finite element method and solves saturated unsaturated seepage problem, the method for proposition is capable of handling complex boundary
With the anisotropic non-uniform flow area in part；The fortune of moisture in the soil body under condition of raining is simulated using integral finite difference method
Emotionally condition, and the analysis method of the stability of unsaturation slight slope under condition of raining is studied.Above-mentioned test method sum number
Value simulation establish moisture single-phase flow theoretically.
Therefore, urgently one kind can carry out the device of indoor rainfall infiltration rule test, and this facility structure at present
It is simple and convenient to operate, can satisfy the test under the conditions of envelope gas, in order to which indoor rainfall infiltration device applies to water-air two phase flow
In theoretical research field.
Utility model content
The main purpose of the utility model is to provide a kind of indoor rainfall infiltration test devices, solve the above-mentioned prior art
Insufficient problem.
A kind of indoor rainfall infiltration test that in order to solve the above technical problems, the technical scheme adopted by the utility model is:
Device, including the collecting barrelling for accommodating earth material layer, the collecting barrelling top is equipped with rainfall spray head, and told rainfall spray head is by leading
Pipe is connected with water tank, and the collecting barrelling bottom is equipped with ponding layer, and ponding layer lower end is equipped with discharge outlet, table in the collecting barrelling
Face is equipped with pressure sensor and humidity sensor, the pressure sensor and humidity sensor interlaced arrangement, the collecting barrelling
The display that side is equipped with data acquisition device and connect with data acquisition device.
In preferred embodiment, the water tank is Markov bottle with a scale.
In preferred embodiment, the pressure sensor is one or more, and the humidity sensor is one or more.
In preferred embodiment, the rainfall spray head goes out water surface equipped with multiple semi-circular recesses, and the inside grooves are equipped with more
A drainage hole.
In preferred embodiment, the conduit is equipped with control valve, and the discharge outlet is equipped with control valve.
In preferred embodiment, the collecting barrelling is made of organic glass.
The utility model provides a kind of indoor rainfall infiltration test device, builds soil what collecting barrelling was provided with experiment simulation
The bed of material building earth material layer top laying fine sand layer is conducive to that uniform fluid flow is helped to infiltrate, the rainfall of height reduction under natural conditions
It infiltrates；Rainfall spray head makes water flow ooze by shower into soil, guarantees the uniformity infiltrated by drilling；Equipped with discharge outlet and control
Valve processed, can be according to test requirements document confining gas or ventilation, moreover it is possible to accomplish to drain in time；Metalling is buried in bottom to be accelerated
The discharge of moisture after the completion of infiltrating；The data of water translocation campaign are collected using data acquisition device, accuracy is high.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples:
Fig. 1 is the utility model general structure schematic diagram；
Fig. 2 is the utility model rainfall nozzle structure figure；
In figure: rainfall spray head 1；Drainage hole 101；Collecting barrelling 2；Pressure sensor 3；Humidity sensor 4；Build earth material layer 5；Product
Water layer 6；Water tank 7；Control valve 8；Data acquisition device 9；Display 10；Discharge outlet 11；Conduit 12.
Specific embodiment
As shown in Figure 1 and 2, a kind of indoor rainfall infiltration test device, it is described including the collecting barrelling 2 for accommodating earth material layer
2 top of collecting barrelling is equipped with rainfall spray head 1, and told rainfall spray head 1 is connected by conduit 12 with water tank 7, and 2 bottom of collecting barrelling is set
There is ponding layer 6,6 lower end of ponding layer is equipped with discharge outlet 11, and 2 inner surface of collecting barrelling is equipped with pressure sensor 3 and humidity
Sensor 4,4 interlaced arrangement of the pressure sensor 3 and humidity sensor, the side of the collecting barrelling 2 are equipped with data acquisition dress
The display 10 setting 9 and connecting with data acquisition device 9, thus structure build earth material what collecting barrelling 2 was provided with experiment simulation
Layer building earth material layer top laying fine sand layer is conducive to that uniform fluid flow is helped to infiltrate, and the rainfall of height reduction under natural conditions enters
It seeps, it is described to build inside earth material layer equipped with pressure sensor 3 and humidity sensor 4, it is tested out by rainfall infiltration and builds earth material layer
The pressure and humidity in region, 2 interior laminate layer of collecting barrelling builds all embedded pressure in earth material layer for every section and passes equipped with earth material layer is built
Sensor 3 and humidity sensor 4,2 least significant end of collecting barrelling are laid with metalling, and pressure sensor 3 and humidity sensor 4 are connected on one side
The data acquisition device 9 of outside, the data obtained are finally transferred to processing display 10, the 3 model MIK- of pressure sensor
P300, range 0-1Mpa, the 4 operating voltage 5V of humidity sensor, input current is greater than 100MA.
In preferred embodiment, the water tank 7 is Markov bottle with a scale, can intuitively find out the number of rainfall.
In preferred embodiment, the pressure sensor 3 is one or more, and the humidity sensor 4 is for one or more
A, multiple sensors detect the data of different location, can highly imitate the uniformity of rainfall infiltration, and guarantee was infiltrated
The accuracy of sensor measurement data in journey.
In preferred embodiment, the rainfall spray head 1 goes out water surface and is equipped with multiple semi-circular recesses, and the inside grooves are equipped with more
A drainage hole 101 has better rainfall simulation to test.
In preferred embodiment, the conduit 12 is equipped with control valve 8, and the discharge outlet 11 is equipped with control valve 8, is equipped with draining
11 mouthfuls and control valve 8, can be according to test requirements document confining gas or ventilation, moreover it is possible to accomplish to drain in time.
In preferred embodiment, the collecting barrelling 2 is made of organic glass, can intuitive observation experiment progress.
Operation instruction:
Metalling is laid on 2 least significant end of collecting barrelling, thickness 10cm by experimental rig assembling, the first step.Second step system
Standby test soil sample, soil sample is put into batches in collecting barrelling 2, each batch place it is intact after corresponding embedment pressure sensor 3 and wet
Sensor 4 is spent, is laid with height in the height of 90cm until building earth material layer 5.Water tank 7 is filled water by third step, is placed in than collecting barrelling 2
Slightly higher position.
Gas condition test is sealed, the control valve 8 at discharge outlet 11 is closed, opens the control valve 8 at water tank 7, water flow passes through drop
Rain spray head 1 is uniformly spilled into collecting barrelling 2, opens data acquisition device 9, the data that pressure sensor 3 and humidity sensor 4 measure
Pass to 10 observation of display processing.When off-test is, all power supplys are closed, open the control valve 8 at discharge outlet 11, discharge collection
Moisture in barrelling 2.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the technical solution that the protection scope of the utility model should be recorded with claim, the technical solution recorded including claim
The equivalents of middle technical characteristic are protection scope.Equivalent replacement i.e. within this range is improved, also in the utility model
Protection scope within.
Claims (6)
1. a kind of interior rainfall infiltration test device, it is characterized in that: including for accommodating the collecting barrelling of earth material layer (2), the collection
Barrelling (2) top is equipped with rainfall spray head (1), and told rainfall spray head (1) is connected by conduit (12) with water tank (7), the packaging
Bucket (2) bottom is equipped with ponding layer (6), and ponding layer (6) lower end is equipped with discharge outlet (11), and collecting barrelling (2) inner surface is set
There are pressure sensor (3) and humidity sensor (4), the pressure sensor (3) and humidity sensor (4) interlaced arrangement, it is described
The display (10) that the side of collecting barrelling (2) is equipped with data acquisition device (9) and connect with data acquisition device (9).
2. a kind of indoor rainfall infiltration test device according to claim 1, it is characterized in that: the water tank (7) is that band is carved
The Markov bottle of degree.
3. a kind of indoor rainfall infiltration test device according to claim 1, it is characterized in that: the pressure sensor (3) is
One or more, the humidity sensor (4) is one or more.
4. a kind of indoor rainfall infiltration test device according to claim 1, it is characterized in that: the rainfall spray head (1) is discharged
Surface is equipped with multiple semi-circular recesses, and the inside grooves are equipped with multiple drainage holes (101).
5. a kind of indoor rainfall infiltration test device according to claim 1, it is characterized in that: the conduit (12) is equipped with control
Valve (8) processed, the discharge outlet (11) are equipped with control valve (8).
6. a kind of indoor rainfall infiltration test device according to claim 1, it is characterized in that: the collecting barrelling (2) is by organic
Glass is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920348498.9U CN209727717U (en) | 2019-03-19 | 2019-03-19 | Indoor rainfall infiltration test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920348498.9U CN209727717U (en) | 2019-03-19 | 2019-03-19 | Indoor rainfall infiltration test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209727717U true CN209727717U (en) | 2019-12-03 |
Family
ID=68687313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920348498.9U Expired - Fee Related CN209727717U (en) | 2019-03-19 | 2019-03-19 | Indoor rainfall infiltration test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209727717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117589525A (en) * | 2024-01-19 | 2024-02-23 | 河海大学 | A regularly quantitative collection device for soil infiltration |
-
2019
- 2019-03-19 CN CN201920348498.9U patent/CN209727717U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117589525A (en) * | 2024-01-19 | 2024-02-23 | 河海大学 | A regularly quantitative collection device for soil infiltration |
| CN117589525B (en) * | 2024-01-19 | 2024-03-19 | 河海大学 | A regularly quantitative collection device for soil infiltration |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 Termination date: 20210319 |