CN217765985U

CN217765985U - Be used for infiltration filtration automated control earth pillar test device

Info

Publication number: CN217765985U
Application number: CN202221508881.4U
Authority: CN
Inventors: 龚凤; 鲍安红; 胡嫚; 牛泽南; 张森林
Original assignee: Southwest University
Current assignee: Southwest University
Priority date: 2022-05-21
Filing date: 2022-05-21
Publication date: 2022-11-08
Anticipated expiration: 2032-05-21

Abstract

The utility model discloses a be used for automatic control earth pillar test device of infiltration filtration, including work frame, controller, beaker, earth pillar, levelling instrument, silicone tube, electric water valve, outlet, mah-jong bottle, water inlet, level sensor, data record appearance, observing and controlling appearance, alarm lamp. The measurement and control instrument is respectively connected with the alarm lamp, the data recorder and the liquid level sensor, and the liquid level sensor is arranged at the bottom of the Mariotte bottle; the water outlet is connected with the left end of the silicone tube and passes through an electric water valve, and the right end of the silicone tube is arranged in the soil pillar opening; the leveling device is arranged on the surface of the earth pillar, and the earth pillar is arranged right above the beaker; the controller is respectively connected with the electric water valve and the leveling device. The utility model discloses effectively solved the wayward problem of traditional earth pillar test device flood peak, alleviateed the work load of frequent manual record water level data in traditional earth pillar is experimental, had the significance to realizing that flood peak control and water level data record are automatic in the testing process.

Description

Be used for infiltration filtration automated control earth pillar test device

Technical Field

The utility model belongs to the technical field of agricultural water and soil engineering subject relates to the experimental facilities, specifically is a be used for automatic control earth pillar test device of infiltration filtration.

Background

In order to explore the adsorption performance of soil on specific substances and the influence on water infiltration and evaporation in natural environment, a plurality of domestic and foreign experts and scholars usually select a soil column test device for simulation test. Furthermore, the soil column test becomes an effective simulation method for researching the soil water movement law and the solute transport state.

The traditional earth pillar test device mainly comprises a Ma's bottle, a silicone tube, an earth pillar and a beaker, and when the traditional earth pillar test device is used for testing, researchers need to continuously and manually record the water level height of the solution of the Ma's bottle and the water head depth of the constant earth pillar, and the whole test process lasts for hours. The long-time continuous test easily causes the physical fatigue of researchers, and the error of water level reading and water head control is generated for many times. Therefore, it has a serious influence on the accuracy and reliability of the entire test result.

Adopt novel automated control earth pillar test device, to alleviateing the loaded down with trivial details operation task of researcher, realize that automatic record mahalanobis bottle water level change and earth pillar head keep invariable and have important meaning.

Disclosure of Invention

To the phenomenon and the problem that exist among the traditional earth pillar is experimental, the utility model provides a be used for penetration filtration automated control earth pillar test device to realize the target of earth pillar test control automation, error reduction.

The utility model adopts the technical proposal that: the utility model provides a be used for infiltration filtration automated control earth pillar test device which characterized in that: the automatic leveling device comprises a working frame, a controller, a beaker, a soil column, a leveling device, a silicone tube, an electric water valve, a water outlet, a Ma bottle, a water inlet, a liquid level sensor, a data recorder, a measurement and control instrument and an alarm lamp, wherein the alarm lamp is connected with the measurement and control instrument, the data recorder is connected with the measurement and control instrument, the measurement and control instrument is connected with the liquid level sensor, and the liquid level sensor is arranged at the bottom of the Ma bottle; the water outlet is connected with the left end of the silicone tube through an electric water valve, and the right end of the silicone tube is arranged in the soil pillar opening; the leveling device is arranged on the surface of the soil column, and the soil column is arranged right above the beaker; the controller is respectively connected with the electric water valve and the leveling device.

Furthermore, the controller is provided with an indicator light, a junction box and a connecting plug, the controller is arranged on the surface of the working frame, and the connecting plug is connected with the interface.

Furthermore, the leveling instrument is provided with an interface, a level gauge, an I-shaped frame, a high water level probe and a low water level probe, wherein the high water level probe is arranged in the I-shaped frame, the low water level probe is arranged at the center of the bottom of the I-shaped frame, the interface is arranged at the top of the I-shaped frame, and the level gauge is arranged at two ends of the I-shaped frame.

Furthermore, the Marshall bottle is arranged on the surface of the working frame, the water inlet (10) is formed in the top of the Marshall bottle, and the water outlet is formed in the right side of the bottom of the Marshall bottle.

Further, the high water level probe can move up and down in the I-shaped frame.

Compare with traditional earth pillar test device, the beneficial effects of the utility model are that: the liquid water level height in the Malpighian bottle can be observed in real time through the measurement and control instrument, and the water level height is automatically stored in the data recorder, so that the time for manually recording the water level data can be greatly saved. In the test, if the water level is lower than the set value, the alarm lamp connected with the water level alarm lamp can flash and give out alarm sound to prompt a researcher that the liquid in the Mariotte bottle is too low in water level and needs to be supplied with the solution. To experimental earth pillar flood peak control, the utility model provides a leveller can detect whether filler surface levels in the earth pillar, can improve the accuracy of control flood peak degree of depth. The high and low water level probes in the evaluation device can monitor the water level in real time under the action of the controller, and automatically control the electric water valve to supply solution to the soil column according to the requirement, so that the constant test water head is ensured. To sum up, the utility model discloses can improve experimental automation control level, alleviate the loaded down with trivial details task of researcher record mah-jong bottle water level data. Meanwhile, the problem that the water head of a traditional earth pillar testing device is not easy to control is solved, and errors in the testing process are reduced.

Drawings

Fig. 1 is a schematic structural diagram of an automatic control earth pillar test device for infiltration filtration.

Fig. 2 is a schematic diagram of the controller structure of the present invention.

Fig. 3 is a schematic structural view of the leveling device of the present invention.

The automatic measuring and controlling device comprises a working frame 1, a controller 2, a beaker 3, a soil column 4, a leveling instrument 5, a silicone tube 6, an electric water valve 7, an electric water outlet 8, a Mason bottle 9, a water inlet 10, a liquid level sensor 11, a data recorder 12, a measurement and control instrument 13, an alarm lamp 14, an indicator lamp 21, a junction box 22, a connecting plug 23, an interface 51, a level meter 52, an I-shaped frame 53, a high-level probe 54 and a low-level probe 55.

Detailed Description

The utility model provides a be used for automatic control earth pillar test device of infiltration filtration, its characterized in that: the device comprises a working frame 1, a controller 2, a beaker 3, a soil column 4, a planometer 5, a silicone tube 6, an electric water valve 7, a water outlet 8, a Ma bottle 9, a water inlet 10, a liquid level sensor 11, a data recorder 12, a measurement and control instrument 13 and an alarm lamp 14, wherein the alarm lamp 14 is connected with the measurement and control instrument 13, the data recorder 12 is connected with the measurement and control instrument 13, the measurement and control instrument 13 is connected with the liquid level sensor 11, and the liquid level sensor 11 is arranged at the bottom of the Ma bottle 9; the water outlet 8 is connected with the left end of the silicone tube 6 through an electric water valve 7, and the right end of the silicone tube 6 is arranged in the opening of the soil column 4; the planometer 5 is arranged on the surface of the earth pillar 4, and the earth pillar 4 is arranged right above the beaker 3; the controller 2 is respectively connected with the electric water valve 7 and the leveling device 5.

The controller 2 is provided with an indicator light 21, a junction box 22 and a connecting plug 23, the controller 2 is arranged on the surface of the working frame 1, and the connecting plug 23 is connected with the interface 51.

The leveling device 5 is provided with an interface 51, a level gauge 52, an I-shaped frame 53, a high water level probe 54 and a low water level probe 55, wherein the high water level probe 54 is arranged in the I-shaped frame 53, the low water level probe 55 is arranged at the center of the bottom of the I-shaped frame 53, the interface 51 is arranged at the top of the I-shaped frame 53, and the level gauge 52 is arranged at two ends of the I-shaped frame 53.

The Marshall flask 9 is arranged on the surface of the working frame 1, the top of the Marshall flask 9 is provided with a water inlet 10, and the right side of the bottom of the Marshall flask 9 is provided with a water outlet 8.

The high level probe 54 is movable up and down inside the i-frame 53.

The utility model provides a pair of be used for automatic control earth pillar test device of infiltration filtration, the application method as follows: before filling the filler into the soil column, the wall of the soil column is required to be clean and dry, and a thin layer of vaseline is coated on the inner wall of the soil column to reduce the influence of the wall effect. Firstly, according to the filler height and volume weight requirements set by the test, the uniform filling of the earth pillar filler is completed. And (4) vertically placing the filled soil column on a leakage frame. The beaker is placed in a leakage rack and located just below the bottom of the soil column, enabling it to collect all the liquid that seeps out of the soil column. Secondly, whether the surface of the filler in the earth pillar is flat or not is detected by using a planometer, the motion condition of bubbles of a level meter in the planometer is observed, after the bubbles are centered and stable, the surface of the filler is leveled, otherwise, the surface of the filler needs to be adjusted to be horizontal for many times. And moving the position of the high water level probe according to the water head depth set by the test, wherein the distance between the high water level probe and the low water level probe is the water head setting depth. Then, the Mariotte bottle is placed on the working frame, one end of the electric water valve is communicated with the drainage port of the Mariotte bottle, the other end of the electric water valve is connected with the silicone tube, and the silicone tube extends into the opening of the soil column. And then the alarm lamp, the data recorder and the liquid level sensor are sequentially connected to the measurement and control instrument, and the liquid level sensor is placed at the bottom of the Mariotte bottle. And finally, respectively connecting the controller with the electric water valve and the leveling device, and injecting liquid required by the test into the Marek's bottle. The power supply of the measurement and control instrument is firstly connected, and then the power supply of the controller is connected. In order to facilitate reminding of adding liquid into the Ma's bottle, a low water level alarm height needs to be set. The high and low water level probes in the evaluation device can monitor the water level in real time under the action of the controller, if the water head of the earth pillar is lower than the high water level probe, the electric water valve can be automatically opened to supplement liquid for the pillar, and the electric water valve higher than the high water level probe can be immediately closed. In the test process, the water level display can display the current water level height of the Mariotte bottle in real time and store the current water level height in the data recorder. After the test is finished, the water level height change data of the Mariotte bottle can be exported for calculating the volume of the liquid flowing out of the Mariotte bottle in the whole test process.

On the basis of a traditional soil column device, the soil column testing device can realize water head control and water level data recording automation in the testing process by adding equipment such as a liquid level sensor, a controller and an electric water valve. The problem that a water head of a traditional earth pillar testing device is not easy to control is solved, and the workload of frequently and manually recording water level data in the traditional earth pillar test is reduced. Compared with the conventional visual sense leveling, the existing leveling device is utilized to level the surface of the earth pillar filler, so that the horizontal accuracy of the surface of the filler is improved to a great extent, and the test error is reduced.

Finally, it should be noted that: the above description is only some embodiments of the present invention, and for those skilled in the art, modifications and equivalent substitutions can be made without departing from the inventive concept, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a be used for infiltration filtration automated control earth pillar test device which characterized in that: the automatic measuring and controlling device comprises a working frame (1), a controller (2), a beaker (3), a soil column (4), a leveling device (5), a silicone tube (6), an electric water valve (7), a water outlet (8), a March's flask (9), a water inlet (10), a liquid level sensor (11), a data recorder (12), a measuring and controlling instrument (13) and an alarm lamp (14), wherein the alarm lamp (14) is connected with the measuring and controlling instrument (13), the data recorder (12) is connected with the measuring and controlling instrument (13), the measuring and controlling instrument (13) is connected with the liquid level sensor (11), and the liquid level sensor (11) is arranged at the bottom of the March's flask (9); the water outlet (8) is connected with the left end of the silicone tube (6) through an electric water valve (7), and the right end of the silicone tube (6) is arranged in the opening of the soil column (4); the leveling device (5) is provided with an interface (51), a level gauge (52), an I-shaped frame (53), a high-level probe (54) and a low-level probe (55), the leveling device (5) is arranged on the surface of the earth pillar (4), and the earth pillar (4) is arranged right above the beaker (3); the controller (2) is respectively connected with the electric water valve (7) and the leveling device (5).

2. The automatic control soil column test device for infiltration filtration of claim 1, wherein: the controller (2) is provided with an indicator lamp (21), a junction box (22) and a connecting plug (23), the controller (2) is arranged on the surface of the working frame (1), and the connecting plug (23) is connected with the interface (51).

3. The automatic control soil column test device for infiltration filtration of claim 1, wherein: the high water level probe (54) is arranged in the I-shaped frame (53), the low water level probe (55) is arranged at the center of the bottom of the I-shaped frame (53), the interface (51) is arranged at the top of the I-shaped frame (53), and the gradienters (52) are arranged at two ends of the I-shaped frame (53).

4. The automatic control soil column test device for infiltration filtration of claim 1, wherein: the Marble bottle (9) is arranged on the surface of the working frame (1), the water inlet (10) is formed in the top of the Marble bottle (9), and the water outlet (8) is formed in the right side of the bottom of the Marble bottle (9).

5. The automatic control soil column test device for infiltration filtration of claim 1, wherein: the high water level probe (54) can move up and down in the I-shaped frame (53).